10887 lines
346 KiB
ObjectPascal
10887 lines
346 KiB
ObjectPascal
{********************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressQuantumGrid }
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{ }
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{ Copyright (c) 1998-2009 Developer Express Inc. }
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{ ALL RIGHTS RESERVED }
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{ }
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{ The entire contents of this file is protected by U.S. and }
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{ International Copyright Laws. Unauthorized reproduction, }
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{ reverse-engineering, and distribution of all or any portion of }
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{ the code contained in this file is strictly prohibited and may }
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{ result in severe civil and criminal penalties and will be }
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{ prosecuted to the maximum extent possible under the law. }
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{ }
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{ RESTRICTIONS }
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{ }
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{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
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{ (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE }
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{ SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS }
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{ LICENSED TO DISTRIBUTE THE EXPRESSQUANTUMGRID AND ALL }
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{ ACCOMPANYING VCL CONTROLS AS PART OF AN EXECUTABLE PROGRAM ONLY. }
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{ }
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{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
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{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
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{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
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{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
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{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
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{ }
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{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
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{ ADDITIONAL RESTRICTIONS. }
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{ }
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{********************************************************************}
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unit cxGridCustomTableView;
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{$I cxGridVer.inc}
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interface
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uses
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Windows, Messages,
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Classes, Graphics, Controls, ExtCtrls,
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cxClasses, cxGraphics, cxControls, cxLookAndFeels, cxStorage, cxFilterControl, cxNavigator,
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cxDataStorage, cxCustomData, cxData, cxFilter, cxDataUtils,
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cxContainer, cxEdit, cxStyles,
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cxGridCommon, cxGridCustomView;
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const
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cxGridFilterDefaultMaxDropDownCount = 15;
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cxGridItemDefaultMinWidth = 20;
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cxGridNavigatorDefaultOffset = 50;
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htCustomGridTableBase = 100;
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htRecord = htCustomGridTableBase + 1;
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htCell = htCustomGridTableBase + 2;
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htExpandButton = htCustomGridTableBase + 3;
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htNavigator = htCustomGridTableBase + 4;
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isCustomItemFirst = 0;
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isContent = isCustomItemFirst;
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isCustomItemLast = isContent;
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bbCustomTableFirst = bbCustomLast + 1;
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bbContent = bbCustomTableFirst;
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bbCustomTableLast = bbContent;
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vsCustomTableFirst = vsCustomLast + 1;
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vsContent = vsCustomTableFirst;
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vsContentEven = vsCustomTableFirst + 1;
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vsContentOdd = vsCustomTableFirst + 2;
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vsInactive = vsCustomTableFirst + 3;
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vsIncSearch = vsCustomTableFirst + 4;
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vsSelection = vsCustomTableFirst + 5;
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vsCustomTableLast = vsSelection;
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type
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TcxGridItemDataBindingClass = class of TcxGridItemDataBinding;
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TcxCustomGridTableController = class;
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TcxCustomGridRecord = class;
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TcxCustomGridTableViewData = class;
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TcxGridTableDataCellViewInfo = class;
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TcxCustomGridRecordViewInfoClass = class of TcxCustomGridRecordViewInfo;
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TcxCustomGridRecordViewInfo = class;
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TcxCustomGridRecordsViewInfo = class;
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TcxCustomGridTableViewInfo = class;
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TcxCustomGridTableViewInfoCacheItem = class;
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TcxCustomGridTableItem = class;
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TcxCustomGridTableView = class;
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{ changes }
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TcxGridDataChange = class(TcxCustomGridViewChange)
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public
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procedure Execute; override;
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function IsLockable: Boolean; override;
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end;
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TcxGridRecordChange = class(TcxCustomGridViewChange)
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private
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FItem: TcxCustomGridTableItem;
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FRecord: TcxCustomGridRecord;
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FRecordIndex: Integer;
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function GetGridView: TcxCustomGridTableView;
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function GetRecordViewInfo: TcxCustomGridRecordViewInfo;
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public
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constructor Create(AGridView: TcxCustomGridView; ARecord: TcxCustomGridRecord;
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ARecordIndex: Integer; AItem: TcxCustomGridTableItem = nil); reintroduce; virtual;
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procedure Execute; override;
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function IsCompatibleWith(AChange: TcxCustomGridChange): Boolean; override;
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//function IsCumulative: Boolean; override; {1}
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function IsEqual(AChange: TcxCustomGridChange): Boolean; override;
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function IsItemVisible: Boolean;
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property GridRecord: TcxCustomGridRecord read FRecord;
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property GridView: TcxCustomGridTableView read GetGridView;
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property Item: TcxCustomGridTableItem read FItem;
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property RecordIndex: Integer read FRecordIndex;
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property RecordViewInfo: TcxCustomGridRecordViewInfo read GetRecordViewInfo;
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end;
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TcxGridFocusedRecordChange = class(TcxCustomGridViewChange)
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private
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FFocusedRecordIndex: Integer;
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FNewItemRecordFocusingChanged: Boolean;
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FPrevFocusedRecordIndex: Integer;
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public
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constructor Create(AGridView: TcxCustomGridView;
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APrevFocusedRecordIndex, AFocusedRecordIndex: Integer;
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ANewItemRecordFocusingChanged: Boolean); reintroduce; virtual;
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procedure Execute; override;
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property FocusedRecordIndex: Integer read FFocusedRecordIndex;
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property NewItemRecordFocusingChanged: Boolean read FNewItemRecordFocusingChanged;
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property PrevFocusedRecordIndex: Integer read FPrevFocusedRecordIndex;
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end;
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{ hit tests }
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TcxGridRecordHitTestClass = class of TcxGridRecordHitTest;
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TcxGridRecordHitTest = class(TcxCustomGridViewHitTest)
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private
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FGridRecordIndex: Integer;
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FIsNewItemRecord: Boolean;
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FViewData: TcxCustomGridTableViewData;
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function GetGridRecord: TcxCustomGridRecord;
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procedure SetGridRecord(Value: TcxCustomGridRecord);
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protected
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class function GetHitTestCode: Integer; override;
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public
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class function CanClick: Boolean; virtual;
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property GridRecord: TcxCustomGridRecord read GetGridRecord write SetGridRecord;
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end;
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TcxGridRecordCellHitTest = class(TcxGridRecordHitTest)
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protected
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class function GetHitTestCode: Integer; override;
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public
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Item: TcxCustomGridTableItem;
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end;
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TcxGridExpandButtonHitTest = class(TcxGridRecordHitTest)
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protected
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class function GetHitTestCode: Integer; override;
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public
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class function CanClick: Boolean; override;
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end;
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TcxGridNavigatorHitTest = class(TcxCustomGridViewHitTest)
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protected
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class function GetHitTestCode: Integer; override;
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end;
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{ data definitions }
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TcxGridDefaultValuesProvider = class(TcxCustomEditDefaultValuesProvider)
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public
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function IsDisplayFormatDefined(AIsCurrencyValueAccepted: Boolean): Boolean; override;
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end;
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IcxGridDataController = interface
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['{FEEE7E69-BD54-4B5D-BA0B-B6116B69C0CC}']
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procedure CheckGridModeBufferCount;
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function DoScroll(AForward: Boolean): Boolean;
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function DoScrollPage(AForward: Boolean): Boolean;
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function GetItemDataBindingClass: TcxGridItemDataBindingClass;
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function GetItemDefaultValuesProviderClass: TcxCustomEditDefaultValuesProviderClass;
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function GetNavigatorIsBof: Boolean;
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function GetNavigatorIsEof: Boolean;
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function GetFilterPropertyValue(const AName: string; var AValue: Variant): Boolean;
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function GetScrollBarPos: Integer;
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function GetScrollBarRecordCount: Integer;
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function SetFilterPropertyValue(const AName: string; const AValue: Variant): Boolean;
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function SetScrollBarPos(Value: Integer): Boolean;
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end;
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TcxGridDataController = class(TcxDataController,
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IcxCustomGridDataController, IcxGridDataController)
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private
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function GetGridViewValue: TcxCustomGridTableView;
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protected
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{ IcxCustomGridDataController }
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procedure GetFakeComponentLinks(AList: TList);
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function GetGridView: TcxCustomGridView;
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{ IcxGridDataController }
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procedure CheckGridModeBufferCount;
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function DoScroll(AForward: Boolean): Boolean;
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function DoScrollPage(AForward: Boolean): Boolean;
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function GetFilterPropertyValue(const AName: string; var AValue: Variant): Boolean;
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function GetItemDataBindingClass: TcxGridItemDataBindingClass;
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function GetItemDefaultValuesProviderClass: TcxCustomEditDefaultValuesProviderClass;
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function GetNavigatorIsBof: Boolean;
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function GetNavigatorIsEof: Boolean;
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function GetScrollBarPos: Integer;
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function GetScrollBarRecordCount: Integer;
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function SetFilterPropertyValue(const AName: string; const AValue: Variant): Boolean;
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function SetScrollBarPos(Value: Integer): Boolean;
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function CanSelectRow(ARowIndex: Integer): Boolean; override;
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procedure DoValueTypeClassChanged(AItemIndex: Integer); override;
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function GetDefaultActiveRelationIndex: Integer; override;
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//function GetIncrementalSearchText(ARecordIndex, AItemIndex: Integer): string; override;
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function GetItemID(AItem: TObject): Integer; override;
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function GetSummaryGroupItemLinkClass: TcxDataSummaryGroupItemLinkClass; override;
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function GetSummaryItemClass: TcxDataSummaryItemClass; override;
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public
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procedure BeginFullUpdate; override;
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procedure EndFullUpdate; override;
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function CreateDetailLinkObject(ARelation: TcxCustomDataRelation;
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ARecordIndex: Integer): TObject; override;
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procedure FocusControl(AItemIndex: Integer; var Done: Boolean); override;
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function GetDetailDataControllerByLinkObject(ALinkObject: TObject): TcxCustomDataController; override;
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function GetDisplayText(ARecordIndex, AItemIndex: Integer): string; override;
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function GetFilterItemFieldCaption(AItem: TObject): string; override;
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function GetItem(Index: Integer): TObject; override;
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function GetItemSortByDisplayText(AItemIndex: Integer; ASortByDisplayText: Boolean): Boolean; override;
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function GetItemValueSource(AItemIndex: Integer): TcxDataEditValueSource; override;
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procedure UpdateData; override;
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//!!! maybe remove? check events
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function AddItemToFilter(AParent: TcxFilterCriteriaItemList; AItem: TcxCustomGridTableItem;
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AOperatorKind: TcxFilterOperatorKind; const AValue: Variant; ADisplayText: string = '';
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AReplaceExistent: Boolean = True): TcxFilterCriteriaItem;
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property GridView: TcxCustomGridTableView read GetGridViewValue;
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published
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property Filter;
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property Options;
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property Summary;
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property OnCompare;
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property OnDataChanged;
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property OnGroupingChanged;
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property OnRecordChanged;
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property OnSortingChanged;
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end;
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TcxGridItemDataBinding = class(TPersistent)
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private
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FData: Pointer;
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FDefaultValuesProvider: TcxCustomEditDefaultValuesProvider;
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FItem: TcxCustomGridTableItem;
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function GetDataController: TcxCustomDataController;
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function GetFilter: TcxDataFilterCriteria;
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function GetFilterCriteriaItem: TcxFilterCriteriaItem;
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function GetFiltered: Boolean;
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function GetGridView: TcxCustomGridTableView;
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function GetValueTypeClass: TcxValueTypeClass;
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procedure SetFiltered(Value: Boolean);
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procedure SetValueTypeClass(Value: TcxValueTypeClass);
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protected
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function GetDefaultValuesProviderClass: TcxCustomEditDefaultValuesProviderClass;
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procedure Init; virtual;
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property DefaultValuesProvider: TcxCustomEditDefaultValuesProvider read FDefaultValuesProvider;
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public
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constructor Create(AItem: TcxCustomGridTableItem); virtual;
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destructor Destroy; override;
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procedure Assign(Source: TPersistent); override;
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function DefaultCaption: string; virtual;
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function DefaultRepositoryItem: TcxEditRepositoryItem; virtual;
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function DefaultWidth(ATakeHeaderIntoAccount: Boolean = True): Integer; virtual;
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function GetDefaultValuesProvider(AProperties: TcxCustomEditProperties = nil): IcxEditDefaultValuesProvider;
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function IsDisplayFormatDefined: Boolean;
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function AddToFilter(AParent: TcxFilterCriteriaItemList; AOperatorKind: TcxFilterOperatorKind;
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const AValue: Variant; const ADisplayText: string = '';
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AReplaceExistent: Boolean = True): TcxFilterCriteriaItem;
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procedure GetFilterDisplayText(const AValue: Variant; var ADisplayText: string);
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procedure GetFilterStrings(AStrings: TStrings; AValueList: TcxDataFilterValueList);
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property Data: Pointer read FData write FData;
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property DataController: TcxCustomDataController read GetDataController;
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property Filter: TcxDataFilterCriteria read GetFilter;
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property FilterCriteriaItem: TcxFilterCriteriaItem read GetFilterCriteriaItem;
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property Filtered: Boolean read GetFiltered write SetFiltered;
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property GridView: TcxCustomGridTableView read GetGridView;
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property Item: TcxCustomGridTableItem read FItem;
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property ValueTypeClass: TcxValueTypeClass read GetValueTypeClass write SetValueTypeClass;
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end;
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{ controller }
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TcxCustomGridTableDragAndDropObject = class(TcxCustomGridDragAndDropObject)
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private
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function GetController: TcxCustomGridTableController;
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function GetGridView: TcxCustomGridTableView;
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function GetViewInfo: TcxCustomGridTableViewInfo;
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protected
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property Controller: TcxCustomGridTableController read GetController;
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property GridView: TcxCustomGridTableView read GetGridView;
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property ViewInfo: TcxCustomGridTableViewInfo read GetViewInfo;
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end;
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TcxGridEditingControllerClass = class of TcxGridEditingController;
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TcxGridEditingController = class
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private
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FController: TcxCustomGridTableController;
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FEdit: TcxCustomEdit;
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FEditHiding: Boolean;
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FEditingItem: TcxCustomGridTableItem;
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FEditingItemSetting: Boolean;
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FEditList: TcxInplaceEditList;
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FEditPreparing: Boolean;
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FEditShowingTimer: TTimer;
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FEditShowingTimerItem: TcxCustomGridTableItem;
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FEditUpdateNeeded: Boolean;
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FInitiatingEditing: Boolean;
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FIsEditPlaced: Boolean;
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FIsErrorOnEditExit: Boolean;
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FPrevEditOnChange: TNotifyEvent;
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FPrevEditOnEditValueChanged: TNotifyEvent;
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function GetEditingProperties: TcxCustomEditProperties;
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function GetGridView: TcxCustomGridTableView;
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function GetIsEditing: Boolean;
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procedure SetEditingItem(Value: TcxCustomGridTableItem);
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procedure EditShowingTimerHandler(Sender: TObject);
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protected
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procedure AfterViewInfoCalculate; virtual;
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procedure BeforeViewInfoCalculate; virtual;
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procedure CancelEditUpdatePost;
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function CanRemoveEditFocus: Boolean; virtual;
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procedure CheckEditUpdatePost;
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procedure DoUpdateEdit;
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function GetHideEditOnExit: Boolean; virtual;
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function GetHideEditOnFocusedRecordChange: Boolean; virtual;
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procedure InitEdit; virtual;
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procedure PostEditUpdate;
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function PrepareEdit(AItem: TcxCustomGridTableItem; AOnMouseEvent: Boolean): Boolean; virtual;
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procedure UpdateEditValue;
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procedure UpdateValue;
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procedure EditAfterKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); virtual;
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procedure EditChanged(Sender: TObject); virtual;
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procedure EditEditing(Sender: TObject; var CanEdit: Boolean); virtual;
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procedure EditExit(Sender: TObject); virtual;
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procedure EditFocusChanged(Sender: TObject); virtual;
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procedure EditKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); virtual;
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procedure EditPostEditValue(Sender: TObject); virtual;
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procedure EditValueChanged(Sender: TObject); virtual;
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property EditHiding: Boolean read FEditHiding;
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property EditingProperties: TcxCustomEditProperties read GetEditingProperties;
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property EditList: TcxInplaceEditList read FEditList;
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property EditUpdateNeeded: Boolean read FEditUpdateNeeded;
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property HideEditOnExit: Boolean read GetHideEditOnExit;
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property HideEditOnFocusedRecordChange: Boolean read GetHideEditOnFocusedRecordChange;
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property InitiatingEditing: Boolean read FInitiatingEditing;
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property IsEditPlaced: Boolean read FIsEditPlaced;
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property IsErrorOnEditExit: Boolean read FIsErrorOnEditExit;
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public
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constructor Create(AController: TcxCustomGridTableController); virtual;
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destructor Destroy; override;
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procedure HideEdit(Accept: Boolean); virtual;
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procedure RemoveEdit(AProperties: TcxCustomEditProperties); virtual;
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procedure ShowEdit(AItem: TcxCustomGridTableItem = nil); overload;
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procedure ShowEdit(AItem: TcxCustomGridTableItem; Key: Char); overload;
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procedure ShowEdit(AItem: TcxCustomGridTableItem; Shift: TShiftState; X, Y: Integer); overload;
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procedure UpdateEdit;
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procedure StartEditShowingTimer(AItem: TcxCustomGridTableItem);
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procedure StopEditShowingTimer;
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property Controller: TcxCustomGridTableController read FController;
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property Edit: TcxCustomEdit read FEdit;
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property EditingItem: TcxCustomGridTableItem read FEditingItem write SetEditingItem;
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property GridView: TcxCustomGridTableView read GetGridView;
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property IsEditing: Boolean read GetIsEditing;
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end;
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TcxGridDragOpenInfoExpand = class(TcxCustomGridDragOpenInfo)
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public
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GridRecord: TcxCustomGridRecord;
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constructor Create(AGridRecord: TcxCustomGridRecord); virtual;
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function Equals(AInfo: TcxCustomGridDragOpenInfo): Boolean; override;
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procedure Run; override;
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end;
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TcxCustomGridTableCanItemFocus = function(AOwner: TcxCustomGridTableView;
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AItemIndex: Integer; AData: Pointer): Boolean;
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TcxCustomGridTableController = class(TcxCustomGridController)
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private
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FAllowCheckEdit: Boolean;
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FBlockRecordKeyboardHandling: Boolean;
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FCheckEditNeeded: Boolean;
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FCheckingCoordinate: Boolean;
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FDragFocusingMousePos: TPoint;
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FDragScrollDirection: TcxDirection;
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FDragScrollTimer: TTimer;
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FDragFocusingScrollTimer: TTimer;
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FDragHighlightedRecord: TcxCustomGridRecord;
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FEatKeyPress: Boolean;
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FEditingController: TcxGridEditingController;
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FFocusedItem: TcxCustomGridTableItem;
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FFocusOnRecordFocusing: Boolean;
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FForcingWidthItem: TcxCustomGridTableItem;
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FGridModeBufferCountUpdateNeeded: Boolean;
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FGridModeBufferCountUpdateTimer: TTimer;
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FIsCheckingCoordinates: Boolean;
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FIsDragFocusing: Boolean;
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FIsDragFocusingScrollForward: Boolean;
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FIsRecordUnselecting: Boolean;
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FTopRecordIndex: Integer;
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FUnselectingRecordIndex: Integer;
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function GetEditingItem: TcxCustomGridTableItem;
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function GetFocusedItemIndex: Integer;
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function GetFocusedRecordIndex: Integer;
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function GetGridView: TcxCustomGridTableView;
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function GetIncSearchingItem: TcxCustomGridTableItem;
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function GetIncSearchingText: string;
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function GetIsEditing: Boolean;
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function GetIsIncSearching: Boolean;
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function GetMasterController: TcxCustomGridTableController;
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function GetMultiSelect: Boolean;
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function GetSelectedRecord(Index: Integer): TcxCustomGridRecord;
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function GetSelectedRecordCount: Integer;
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function GetViewData: TcxCustomGridTableViewData;
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function GetViewInfo: TcxCustomGridTableViewInfo;
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procedure SetDragHighlightedRecord(Value: TcxCustomGridRecord);
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procedure SetEditingItem(Value: TcxCustomGridTableItem);
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procedure SetFocusedItem(Value: TcxCustomGridTableItem);
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procedure SetFocusedItemIndex(Value: Integer);
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procedure SetFocusedRecordIndex(Value: Integer);
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procedure SetIncSearchingText(const Value: string);
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procedure SetInternalTopRecordIndex(Value: Integer);
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procedure SetTopRecordIndex(Value: Integer);
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procedure DragFocusingScrollTimerHandler(Sender: TObject);
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procedure DragScrollTimerHandler(Sender: TObject);
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procedure GridModeBufferCountUpdateTimerHandler(Sender: TObject);
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protected
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procedure AfterPaint; override;
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procedure BeforePaint; override;
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procedure DetailFocused(ADetail: TcxCustomGridView); override;
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procedure DoEnter; override;
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procedure DoExit; override;
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function MayFocus: Boolean; override;
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procedure RemoveFocus; override;
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procedure SetFocus; override;
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procedure AfterOffset; virtual;
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procedure BeforeKillFocus; override;
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procedure BeforeOffset; virtual;
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function CanAppend(ACheckOptions: Boolean): Boolean; virtual;
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procedure CancelCheckEditPost;
|
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function CanDelete(ACheckOptions: Boolean): Boolean; virtual;
|
|
function CanEdit: Boolean; virtual;
|
|
function CanHScrollBarHide: Boolean; virtual;
|
|
function CanInsert(ACheckOptions: Boolean): Boolean; virtual;
|
|
procedure CheckEdit; virtual;
|
|
procedure CheckCoordinates; virtual;
|
|
procedure CheckTopRecordIndex(var Value: Integer); virtual;
|
|
function FindNextCustomItem(AFocusedItemIndex, AItemCount: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; ACanFocus: TcxCustomGridTableCanItemFocus;
|
|
AData: Pointer; var AItemIndex: Integer; out ACycleChanged: Boolean): Boolean;
|
|
procedure FocusedItemChanged(APrevFocusedItem: TcxCustomGridTableItem); virtual;
|
|
function GetCancelEditingOnExit: Boolean; virtual;
|
|
function GetFocusedRecord: TcxCustomGridRecord; virtual;
|
|
function GetIsRecordsScrollHorizontal: Boolean; virtual; abstract;
|
|
function GetMaxTopRecordIndexValue: Integer; virtual;
|
|
function GetScrollBarOffsetBegin: Integer; virtual;
|
|
function GetScrollBarOffsetEnd: Integer; virtual;
|
|
function GetScrollBarPos: Integer; virtual;
|
|
function GetScrollBarRecordCount: Integer; virtual;
|
|
function GetVisibleRecordCount(AFirstRecordIndex: Integer;
|
|
ACalculateDown: Boolean = True): Integer; virtual;
|
|
procedure PostCheckEdit;
|
|
procedure ProcessCheckEditPost;
|
|
procedure SetFocusedRecord(Value: TcxCustomGridRecord); virtual;
|
|
procedure SetScrollBarPos(Value: Integer); virtual;
|
|
|
|
procedure CancelGridModeBufferCountUpdate;
|
|
procedure CheckGridModeBufferCountUpdatePost;
|
|
procedure PostGridModeBufferCountUpdate;
|
|
property GridModeBufferCountUpdateNeeded: Boolean read FGridModeBufferCountUpdateNeeded;
|
|
|
|
// selection
|
|
function CanProcessMultiSelect(AIsKeyboard: Boolean): Boolean; overload; virtual;
|
|
function CanProcessMultiSelect(AHitTest: TcxCustomGridHitTest): Boolean; overload; virtual;
|
|
function CanProcessMultiSelect(AKey: Word; AShift: TShiftState;
|
|
AFocusedRecordChanged: Boolean): Boolean; overload; virtual;
|
|
procedure ChangeRecordSelection(ARecord: TcxCustomGridRecord; Value: Boolean);
|
|
procedure CheckFocusedRecordSelectionWhenExit(ARecord: TcxCustomGridRecord);
|
|
procedure DoNormalSelection;
|
|
procedure DoNormalSelectionWithAnchor(ASelect: Boolean = True);
|
|
procedure DoRangeSelection(AClearSelection: Boolean = True);
|
|
procedure DoToggleRecordSelection;
|
|
procedure FinishSelection; virtual;
|
|
procedure InvalidateFocusedRecord; virtual;
|
|
procedure InvalidateSelection; virtual;
|
|
function IsKeyForMultiSelect(AKey: Word; AShift: TShiftState;
|
|
AFocusedRecordChanged: Boolean): Boolean; virtual;
|
|
function IsRecordSelected(ARecord: TcxCustomGridRecord): Boolean;
|
|
procedure MultiSelectKeyDown(var Key: Word; Shift: TShiftState); virtual;
|
|
procedure MultiSelectMouseDown(AHitTest: TcxCustomGridHitTest; AShift: TShiftState); virtual;
|
|
procedure MultiSelectMouseUp(AHitTest: TcxCustomGridHitTest; AShift: TShiftState); virtual;
|
|
procedure SetSelectionAnchor(AGridRecordIndex: Integer);
|
|
|
|
// navigation
|
|
function FocusedRecordHasCells(ACheckCellSelect: Boolean): Boolean;
|
|
procedure FocusNextPage(ASyncSelection: Boolean); virtual;
|
|
procedure FocusPrevPage(ASyncSelection: Boolean); virtual;
|
|
function IsKeyForController(AKey: Word; AShift: TShiftState): Boolean; virtual;
|
|
procedure ScrollPage(AForward: Boolean); virtual;
|
|
procedure ScrollRecords(AForward: Boolean; ACount: Integer); virtual;
|
|
procedure ShowNextPage; virtual;
|
|
procedure ShowPrevPage; virtual;
|
|
|
|
// drag select
|
|
function GetDragFocusingScrollDirection(X, Y: Integer;
|
|
out AMoveForward: Boolean): Boolean; virtual;
|
|
procedure StartDragFocusing;
|
|
procedure StopDragFocusing;
|
|
procedure StartDragFocusingScroll(AMoveForward: Boolean);
|
|
procedure StopDragFocusingScroll;
|
|
|
|
// delphi drag and drop
|
|
function GetDragScrollDirection(X, Y: Integer): TcxDirection; virtual;
|
|
procedure ProcessDragFocusing(X, Y: Integer);
|
|
procedure StartDragScroll(ADirection: TcxDirection);
|
|
procedure StopDragScroll;
|
|
function IsDragScroll: Boolean;
|
|
//---
|
|
function GetDragOpenInfo(AHitTest: TcxCustomGridHitTest): TcxCustomGridDragOpenInfo; virtual;
|
|
function IsDragOpenHitTest(AHitTest: TcxCustomGridHitTest;
|
|
out ADragOpenInfo: TcxCustomGridDragOpenInfo): Boolean;
|
|
//---
|
|
property DragHighlightedRecord: TcxCustomGridRecord read FDragHighlightedRecord write SetDragHighlightedRecord;
|
|
|
|
function GetItemForIncSearching: TcxCustomGridTableItem; virtual;
|
|
procedure IncSearchKeyDown(var Key: Word; Shift: TShiftState); virtual;
|
|
property ItemForIncSearching: TcxCustomGridTableItem read GetItemForIncSearching;
|
|
|
|
function GetEditingControllerClass: TcxGridEditingControllerClass; virtual;
|
|
|
|
property AllowCheckEdit: Boolean read FAllowCheckEdit write FAllowCheckEdit;
|
|
property BlockRecordKeyboardHandling: Boolean read FBlockRecordKeyboardHandling
|
|
write FBlockRecordKeyboardHandling;
|
|
property CancelEditingOnExit: Boolean read GetCancelEditingOnExit;
|
|
property EatKeyPress: Boolean read FEatKeyPress write FEatKeyPress;
|
|
property FocusOnRecordFocusing: Boolean read FFocusOnRecordFocusing write FFocusOnRecordFocusing;
|
|
property ForcingWidthItem: TcxCustomGridTableItem read FForcingWidthItem write FForcingWidthItem;
|
|
property InternalTopRecordIndex: Integer read FTopRecordIndex write SetInternalTopRecordIndex;
|
|
property IsCheckingCoordinates: Boolean read FIsCheckingCoordinates;
|
|
property IsRecordsScrollHorizontal: Boolean read GetIsRecordsScrollHorizontal;
|
|
property MultiSelect: Boolean read GetMultiSelect;
|
|
property ScrollBarOffsetBegin: Integer read GetScrollBarOffsetBegin;
|
|
property ScrollBarOffsetEnd: Integer read GetScrollBarOffsetEnd;
|
|
property ScrollBarRecordCount: Integer read GetScrollBarRecordCount;
|
|
property ScrollBarPos: Integer read GetScrollBarPos write SetScrollBarPos;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
property ViewInfo: TcxCustomGridTableViewInfo read GetViewInfo;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
destructor Destroy; override;
|
|
procedure BeginDragAndDrop; override;
|
|
procedure ControlFocusChanged; override;
|
|
procedure DoCancelMode; override;
|
|
procedure DoKeyDown(var Key: Word; Shift: TShiftState); override;
|
|
procedure EndDragAndDrop(Accepted: Boolean); override;
|
|
function FindNextItem(AFocusedItemIndex: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; out ACycleChanged: Boolean): Integer; virtual;
|
|
function FindNextRecord(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; out ACycleChanged: Boolean): Integer;
|
|
function HasFocusedControls: Boolean; override;
|
|
function IsDataFullyVisible(AIsCallFromMaster: Boolean = False): Boolean; override;
|
|
procedure KeyDown(var Key: Word; Shift: TShiftState); override;
|
|
procedure KeyPress(var Key: Char); override;
|
|
procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); override;
|
|
procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;
|
|
procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); override;
|
|
procedure WndProc(var Message: TMessage); override;
|
|
|
|
procedure BeforeStartDrag; override;
|
|
function CanDrag(X, Y: Integer): Boolean; override;
|
|
procedure DragDrop(Source: TObject; X, Y: Integer); override;
|
|
procedure DragOver(Source: TObject; X, Y: Integer; State: TDragState;
|
|
var Accept: Boolean); override;
|
|
procedure EndDrag(Target: TObject; X, Y: Integer); override;
|
|
procedure StartDrag(var DragObject: TDragObject); override;
|
|
|
|
procedure CancelIncSearching;
|
|
procedure ClearSelection;
|
|
procedure CreateNewRecord(AtEnd: Boolean); virtual;
|
|
procedure DeleteSelection; virtual;
|
|
procedure DoCheckCoordinates;
|
|
function FocusFirstAvailableItem: Boolean;
|
|
function FocusNextCell(AGoForward: Boolean; AProcessCellsOnly: Boolean = True): Boolean;
|
|
function FocusNextItem(AFocusedItemIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoToNextRecordOnCycle: Boolean): Boolean;
|
|
function FocusNextRecord(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoIntoDetail: Boolean): Boolean;
|
|
function FocusNextRecordWithSelection(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoIntoDetail: Boolean; ASyncSelection: Boolean = True): Boolean;
|
|
function FocusRecord(AFocusedRecordIndex: Integer; ASyncSelection: Boolean): Boolean;
|
|
procedure MakeFocusedItemVisible;
|
|
procedure MakeFocusedRecordVisible;
|
|
procedure MakeItemVisible(AItem: TcxCustomGridTableItem); virtual; abstract;
|
|
procedure MakeRecordVisible(ARecord: TcxCustomGridRecord); virtual;
|
|
|
|
function GoToFirst: Boolean;
|
|
function GoToLast(AGoIntoDetail: Boolean): Boolean;
|
|
function GoToNext(AGoIntoDetail: Boolean; ASyncSelection: Boolean = True): Boolean;
|
|
function GoToPrev(AGoIntoDetail: Boolean; ASyncSelection: Boolean = True): Boolean;
|
|
function IsFinish: Boolean;
|
|
function IsStart: Boolean;
|
|
|
|
property EditingController: TcxGridEditingController read FEditingController;
|
|
property EditingItem: TcxCustomGridTableItem read GetEditingItem write SetEditingItem;
|
|
property FocusedItem: TcxCustomGridTableItem read FFocusedItem write SetFocusedItem;
|
|
property FocusedItemIndex: Integer read GetFocusedItemIndex write SetFocusedItemIndex;
|
|
property FocusedRecord: TcxCustomGridRecord read GetFocusedRecord write SetFocusedRecord;
|
|
property FocusedRecordIndex: Integer read GetFocusedRecordIndex write SetFocusedRecordIndex;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property IncSearchingItem: TcxCustomGridTableItem read GetIncSearchingItem;
|
|
property IncSearchingText: string read GetIncSearchingText write SetIncSearchingText;
|
|
property IsDragFocusing: Boolean read FIsDragFocusing;
|
|
property IsEditing: Boolean read GetIsEditing;
|
|
property IsIncSearching: Boolean read GetIsIncSearching;
|
|
property MasterController: TcxCustomGridTableController read GetMasterController;
|
|
property SelectedRecordCount: Integer read GetSelectedRecordCount;
|
|
property SelectedRecords[Index: Integer]: TcxCustomGridRecord read GetSelectedRecord;
|
|
property TopRecordIndex: Integer read FTopRecordIndex write SetTopRecordIndex;
|
|
end;
|
|
|
|
{ painters }
|
|
|
|
TcxGridTableDataCellPainterClass = class of TcxGridTableDataCellPainter;
|
|
|
|
TcxGridTableDataCellPainter = class(TcxCustomGridCellPainter)
|
|
private
|
|
function GetViewInfo: TcxGridTableDataCellViewInfo;
|
|
protected
|
|
procedure DrawContent; override;
|
|
procedure DrawFocusRect; virtual;
|
|
procedure Paint; override;
|
|
property ViewInfo: TcxGridTableDataCellViewInfo read GetViewInfo;
|
|
end;
|
|
|
|
TcxCustomGridRecordPainterClass = class of TcxCustomGridRecordPainter;
|
|
|
|
TcxCustomGridRecordPainter = class(TcxCustomGridCellPainter)
|
|
private
|
|
function GetViewInfo: TcxCustomGridRecordViewInfo;
|
|
protected
|
|
procedure AfterPaint; override;
|
|
procedure BeforePaint; override;
|
|
procedure DrawBackground; override;
|
|
procedure DrawExpandButton; virtual;
|
|
procedure DrawFocusRect; virtual;
|
|
procedure Paint; override;
|
|
property ViewInfo: TcxCustomGridRecordViewInfo read GetViewInfo;
|
|
end;
|
|
|
|
TcxCustomGridRecordsPainterClass = class of TcxCustomGridRecordsPainter;
|
|
|
|
TcxCustomGridRecordsPainter = class
|
|
private
|
|
FCanvas: TcxCanvas;
|
|
FViewInfo: TcxCustomGridRecordsViewInfo;
|
|
protected
|
|
//procedure BeforePaint; virtual;
|
|
procedure Paint; virtual;
|
|
property Canvas: TcxCanvas read FCanvas;
|
|
property ViewInfo: TcxCustomGridRecordsViewInfo read FViewInfo;
|
|
public
|
|
constructor Create(ACanvas: TcxCanvas; AViewInfo: TcxCustomGridRecordsViewInfo); virtual;
|
|
procedure MainPaint;
|
|
end;
|
|
|
|
TcxNavigatorSitePainter = class(TcxCustomGridCellPainter)
|
|
protected
|
|
function ExcludeFromClipRect: Boolean; override;
|
|
end;
|
|
|
|
TcxCustomGridTablePainter = class(TcxCustomGridPainter)
|
|
private
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetViewInfo: TcxCustomGridTableViewInfo;
|
|
protected
|
|
function CanOffset(AItemsOffset, DX, DY: Integer): Boolean; virtual;
|
|
procedure DrawNavigator; virtual;
|
|
procedure DrawRecords; virtual;
|
|
procedure Offset(AItemsOffset: Integer); overload; virtual;
|
|
procedure Offset(DX, DY: Integer); overload; virtual;
|
|
procedure PaintBefore; override;
|
|
procedure PaintContent; override;
|
|
public
|
|
procedure DoOffset(AItemsOffset, DX, DY: Integer);
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property ViewInfo: TcxCustomGridTableViewInfo read GetViewInfo;
|
|
end;
|
|
|
|
{ view data }
|
|
|
|
TcxCustomGridRecordClass = class of TcxCustomGridRecord;
|
|
|
|
TcxCustomGridRecord = class
|
|
private
|
|
//FData: Pointer;
|
|
FEatKeyPress: Boolean;
|
|
FIndex: Integer;
|
|
FRecordInfo: TcxRowInfo;
|
|
FViewData: TcxCustomGridTableViewData;
|
|
FViewInfo: TcxCustomGridRecordViewInfo;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetDataController: TcxCustomDataController;
|
|
function GetDragHighlighted: Boolean;
|
|
function GetFocused: Boolean;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetIsEditing: Boolean;
|
|
function GetIsNewItemRecord: Boolean;
|
|
function GetIsValid: Boolean;
|
|
function GetLevel: Integer;
|
|
function GetPartVisible: Boolean;
|
|
function GetRecordIndex: Integer;
|
|
procedure SetExpanded(Value: Boolean);
|
|
procedure SetFocused(Value: Boolean);
|
|
protected
|
|
procedure RefreshRecordInfo;
|
|
|
|
procedure DoCollapse(ARecurse: Boolean); virtual; abstract;
|
|
procedure DoExpand(ARecurse: Boolean); virtual; abstract;
|
|
function GetDestroyingOnExpanding: Boolean; virtual;
|
|
function GetExpandable: Boolean; virtual;
|
|
function GetExpanded: Boolean; virtual;
|
|
|
|
function GetDrawFocused: Boolean; virtual;
|
|
function GetDrawSelected: Boolean; virtual;
|
|
function GetHasCells: Boolean; virtual;
|
|
function GetIsData: Boolean; virtual;
|
|
function GetIsFirst: Boolean; virtual;
|
|
function GetIsLast: Boolean; virtual;
|
|
function GetIsParent: Boolean; virtual;
|
|
function GetIsParentRecordLast(AIndex: Integer): Boolean;
|
|
function GetParentRecord: TcxCustomGridRecord; virtual;
|
|
function GetSelected: Boolean; virtual;
|
|
function GetVisible: Boolean; virtual;
|
|
procedure SetSelected(Value: Boolean); virtual;
|
|
|
|
function GetDisplayText(Index: Integer): string; virtual;
|
|
function GetValueCount: Integer; virtual;
|
|
function GetValue(Index: Integer): Variant; virtual;
|
|
|
|
function GetViewInfoClass: TcxCustomGridRecordViewInfoClass; virtual; abstract;
|
|
|
|
property EatKeyPress: Boolean read FEatKeyPress write FEatKeyPress;
|
|
property IsParent: Boolean read GetIsParent;
|
|
property RecordInfo: TcxRowInfo read FRecordInfo;
|
|
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property DataController: TcxCustomDataController read GetDataController;
|
|
property DestroyingOnExpanding: Boolean read GetDestroyingOnExpanding;
|
|
public
|
|
constructor Create(AViewData: TcxCustomGridTableViewData; AIndex: Integer;
|
|
ARecordInfo: TcxRowInfo); virtual;
|
|
destructor Destroy; override;
|
|
function CanFocus: Boolean; virtual;
|
|
procedure Collapse(ARecurse: Boolean);
|
|
procedure DoKeyPress(var Key: Char);
|
|
procedure Expand(ARecurse: Boolean);
|
|
function GetFirstFocusableChild: TcxCustomGridRecord; virtual;
|
|
function GetLastFocusableChild(ARecursive: Boolean): TcxCustomGridRecord; virtual;
|
|
procedure Invalidate(AItem: TcxCustomGridTableItem = nil); virtual;
|
|
procedure KeyDown(var Key: Word; Shift: TShiftState); dynamic;
|
|
procedure KeyPress(var Key: Char); dynamic;
|
|
procedure MakeVisible;
|
|
|
|
//property Data: Pointer read FData write FData;
|
|
property DragHighlighted: Boolean read GetDragHighlighted;
|
|
property DrawFocused: Boolean read GetDrawFocused;
|
|
property DrawSelected: Boolean read GetDrawSelected;
|
|
property DisplayTexts[Index: Integer]: string read GetDisplayText;
|
|
property Expandable: Boolean read GetExpandable;
|
|
property Expanded: Boolean read GetExpanded write SetExpanded;
|
|
property Focused: Boolean read GetFocused write SetFocused;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property HasCells: Boolean read GetHasCells;
|
|
property Index: Integer read FIndex;
|
|
property IsData: Boolean read GetIsData;
|
|
property IsEditing: Boolean read GetIsEditing;
|
|
property IsFirst: Boolean read GetIsFirst;
|
|
property IsLast: Boolean read GetIsLast;
|
|
property IsNewItemRecord: Boolean read GetIsNewItemRecord;
|
|
property IsParentRecordLast[AIndex: Integer]: Boolean read GetIsParentRecordLast;
|
|
property IsValid: Boolean read GetIsValid;
|
|
property Level: Integer read GetLevel;
|
|
property ParentRecord: TcxCustomGridRecord read GetParentRecord;
|
|
property PartVisible: Boolean read GetPartVisible;
|
|
property RecordIndex: Integer read GetRecordIndex;
|
|
property Selected: Boolean read GetSelected write SetSelected;
|
|
property ValueCount: Integer read GetValueCount;
|
|
property Values[Index: Integer]: Variant read GetValue;
|
|
property ViewData: TcxCustomGridTableViewData read FViewData;
|
|
property ViewInfo: TcxCustomGridRecordViewInfo read FViewInfo;
|
|
property Visible: Boolean read GetVisible;
|
|
end;
|
|
|
|
TcxCustomGridTableViewData = class(TcxCustomGridViewData)
|
|
private
|
|
FEditingRecord: TcxCustomGridRecord;
|
|
FNewItemRecord: TcxCustomGridRecord;
|
|
FRecords: TList;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetEditingRecord: TcxCustomGridRecord;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetInternalRecord(Index: Integer): TcxCustomGridRecord;
|
|
function GetRecord(Index: Integer): TcxCustomGridRecord;
|
|
function GetRecordCount: Integer;
|
|
function GetViewInfo: TcxCustomGridTableViewInfo;
|
|
function CreateRecord(AIndex: Integer): TcxCustomGridRecord;
|
|
protected
|
|
function GetRecordClass(ARecordInfo: TcxRowInfo): TcxCustomGridRecordClass; virtual; abstract;
|
|
|
|
procedure AssignEditingRecord;
|
|
|
|
procedure CreateNewItemRecord;
|
|
procedure DestroyNewItemRecord;
|
|
function GetNewItemRecordClass: TcxCustomGridRecordClass; virtual; abstract;
|
|
procedure RecreateNewItemRecord;
|
|
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property InternalRecords[Index: Integer]: TcxCustomGridRecord read GetInternalRecord;
|
|
property ViewInfo: TcxCustomGridTableViewInfo read GetViewInfo;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
destructor Destroy; override;
|
|
procedure Collapse(ARecurse: Boolean);
|
|
procedure DestroyRecords;
|
|
procedure Expand(ARecurse: Boolean);
|
|
function GetRecordByIndex(AIndex: Integer): TcxCustomGridRecord;
|
|
function GetRecordByRecordIndex(ARecordIndex: Integer): TcxCustomGridRecord;
|
|
function GetRecordIndexByRecord(ARecord: TcxCustomGridRecord): Integer;
|
|
function IsRecordIndexValid(AIndex: Integer): Boolean;
|
|
procedure Refresh(ARecordCount: Integer); virtual;
|
|
procedure RefreshRecords;
|
|
|
|
procedure CheckNewItemRecord;
|
|
function HasNewItemRecord: Boolean; virtual;
|
|
|
|
property EditingRecord: TcxCustomGridRecord read FEditingRecord;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property NewItemRecord: TcxCustomGridRecord read FNewItemRecord;
|
|
property RecordCount: Integer read GetRecordCount;
|
|
property Records[Index: Integer]: TcxCustomGridRecord read GetRecord;
|
|
end;
|
|
|
|
{ view infos }
|
|
|
|
TcxGridTableCellViewInfo = class(TcxCustomGridViewCellViewInfo)
|
|
private
|
|
FRecordViewInfo: TcxCustomGridRecordViewInfo;
|
|
FSelected: Boolean;
|
|
FSelectedCalculated: Boolean;
|
|
function GetCacheItem: TcxCustomGridTableViewInfoCacheItem;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetGridRecord: TcxCustomGridRecord;
|
|
function GetSelected: Boolean;
|
|
protected
|
|
function CalculateSelected: Boolean; virtual;
|
|
function GetAlwaysSelected: Boolean; virtual;
|
|
function GetCanvas: TcxCanvas; override;
|
|
function GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
function GetHitTestClass: TcxCustomGridHitTestClass; override;
|
|
function GetTransparent: Boolean; override;
|
|
procedure InitHitTest(AHitTest: TcxCustomGridHitTest); override;
|
|
|
|
property AlwaysSelected: Boolean read GetAlwaysSelected;
|
|
property CacheItem: TcxCustomGridTableViewInfoCacheItem read GetCacheItem;
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property GridViewInfo: TcxCustomGridTableViewInfo read GetGridViewInfo;
|
|
public
|
|
constructor Create(ARecordViewInfo: TcxCustomGridRecordViewInfo); virtual;
|
|
procedure Calculate(ALeftBound, ATopBound: Integer; AWidth: Integer = -1;
|
|
AHeight: Integer = -1); override;
|
|
function CanDrawSelected: Boolean; virtual;
|
|
function MouseDown(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
property GridRecord: TcxCustomGridRecord read GetGridRecord;
|
|
property RecordViewInfo: TcxCustomGridRecordViewInfo read FRecordViewInfo;
|
|
property Selected: Boolean read GetSelected;
|
|
end;
|
|
|
|
TcxGridTableDataCellViewInfo = class(TcxGridTableCellViewInfo)
|
|
private
|
|
FEditViewData: TcxCustomEditViewData;
|
|
FEditViewInfo: TcxCustomEditViewInfo;
|
|
FIsLocalCopyOfEditViewData: Boolean;
|
|
FItem: TcxCustomGridTableItem;
|
|
FProperties: TcxCustomEditProperties;
|
|
FStyle: TcxEditStyle;
|
|
FWasFocusedBeforeClick: Boolean;
|
|
function GetEditing: Boolean;
|
|
function GetFocused: Boolean;
|
|
function GetMousePos: TPoint;
|
|
function GetProperties: TcxCustomEditProperties;
|
|
function GetShowButtons: Boolean;
|
|
protected
|
|
procedure AfterCustomDraw(ACanvas: TcxCanvas); override;
|
|
procedure BeforeCustomDraw(ACanvas: TcxCanvas); override;
|
|
procedure CalculateEditViewInfo(AEditViewInfo: TcxCustomEditViewInfo;
|
|
const AMousePos: TPoint); virtual;
|
|
function CalculateHeight: Integer; override;
|
|
function CalculateSelected: Boolean; override;
|
|
function CanShowHint: Boolean; override;
|
|
procedure CheckEditHotTrack(const AMousePos: TPoint);
|
|
function CustomDraw(ACanvas: TcxCanvas): Boolean; override;
|
|
procedure DoCalculateParams; override;
|
|
procedure EditHotTrackChanged;
|
|
function GetActivateEditOnMouseDown: Boolean; virtual;
|
|
function GetAutoHeight: Boolean; virtual;
|
|
function GetBoundsForHint: TRect; override;
|
|
function GetDisplayValue: TcxEditValue; virtual;
|
|
function GetEditBounds: TRect; virtual;
|
|
function GetEditViewDataBounds: TRect; virtual;
|
|
procedure GetEditViewDataContentOffsets(var R: TRect); virtual;
|
|
function GetHitTestClass: TcxCustomGridHitTestClass; override;
|
|
function GetHotTrack: Boolean; override;
|
|
function GetMaxLineCount: Integer; virtual;
|
|
function GetPainterClass: TcxCustomGridCellPainterClass; override;
|
|
function GetShowEndEllipsis: Boolean; override;
|
|
function GetText: string; override;
|
|
function GetValue: Variant; virtual;
|
|
procedure GetViewParams(var AParams: TcxViewParams); override;
|
|
function HasCustomDraw: Boolean; override;
|
|
procedure InitHitTest(AHitTest: TcxCustomGridHitTest); override;
|
|
procedure InitTextSelection; virtual;
|
|
function InvalidateOnStateChange: Boolean; override;
|
|
function IsTextSelected: Boolean; virtual;
|
|
procedure MouseLeave; override;
|
|
function NeedShowHint(const AMousePos: TPoint; out AHintText: TCaption;
|
|
out AIsHintMultiLine: Boolean; out ATextRect: TRect): Boolean; override;
|
|
procedure Offset(DX, DY: Integer); override;
|
|
procedure RestoreParams(const AParams: TcxViewParams); override;
|
|
procedure SaveParams(out AParams: TcxViewParams); override;
|
|
procedure StateChanged; override;
|
|
|
|
procedure InitStyle; virtual;
|
|
|
|
function CreateEditViewInfo: TcxCustomEditViewInfo;
|
|
|
|
procedure CreateEditViewData;
|
|
procedure DestroyEditViewData;
|
|
property EditViewData: TcxCustomEditViewData read FEditViewData;
|
|
|
|
procedure UpdateEdit;
|
|
|
|
property ActivateEditOnMouseDown: Boolean read GetActivateEditOnMouseDown;
|
|
property AutoHeight: Boolean read GetAutoHeight;
|
|
property EditBounds: TRect read GetEditBounds;
|
|
property EditViewDataBounds: TRect read GetEditViewDataBounds;
|
|
property MaxLineCount: Integer read GetMaxLineCount;
|
|
property MousePos: TPoint read GetMousePos;
|
|
property ShowButtons: Boolean read GetShowButtons;
|
|
property WasFocusedBeforeClick: Boolean read FWasFocusedBeforeClick;
|
|
public
|
|
constructor Create(ARecordViewInfo: TcxCustomGridRecordViewInfo;
|
|
AItem: TcxCustomGridTableItem); reintroduce; virtual;
|
|
destructor Destroy; override;
|
|
procedure BeforeRecalculation; override;
|
|
procedure Calculate(ALeftBound, ATopBound: Integer; AWidth: Integer = -1;
|
|
AHeight: Integer = -1); override;
|
|
function CanDrawSelected: Boolean; override;
|
|
procedure Invalidate(ARecalculate: Boolean); reintroduce; virtual;
|
|
function MouseDown(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
function MouseMove(AHitTest: TcxCustomGridHitTest; AShift: TShiftState): Boolean; override;
|
|
function MouseUp(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
|
|
property DisplayValue: TcxEditValue read GetDisplayValue;
|
|
//property Edit: TcxCustomEdit read GetEdit;
|
|
property Editing: Boolean read GetEditing;
|
|
property EditViewInfo: TcxCustomEditViewInfo read FEditViewInfo;
|
|
property Focused: Boolean read GetFocused;
|
|
property Item: TcxCustomGridTableItem read FItem;
|
|
property Properties: TcxCustomEditProperties read GetProperties;
|
|
property Style: TcxEditStyle read FStyle;
|
|
property Value: Variant read GetValue;
|
|
end;
|
|
|
|
TcxCustomGridRecordViewInfo = class(TcxCustomGridViewCellViewInfo)
|
|
private
|
|
FExpandButtonBounds: TRect;
|
|
FExpanded: Boolean;
|
|
FExpandedCalculated: Boolean;
|
|
FIsRecordViewInfoAssigned: Boolean;
|
|
FRecordsViewInfo: TcxCustomGridRecordsViewInfo;
|
|
FSelected: Boolean;
|
|
FSelectedCalculated: Boolean;
|
|
function GetCacheItem: TcxCustomGridTableViewInfoCacheItem;
|
|
function GetExpanded: Boolean;
|
|
function GetFocused: Boolean;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
function GetIndex: Integer;
|
|
function GetSelected: Boolean;
|
|
protected
|
|
FRecord: TcxCustomGridRecord;
|
|
procedure CalculateExpandButtonBounds(var ABounds: TRect); virtual;
|
|
function CalculateSelected: Boolean; virtual;
|
|
procedure ControlFocusChanged; virtual;
|
|
function GetAutoHeight: Boolean; virtual;
|
|
function GetBackgroundBitmap: TBitmap; override;
|
|
function GetBackgroundBitmapBounds: TRect; virtual;
|
|
function GetCanvas: TcxCanvas; override;
|
|
function GetCellTransparent(ACell: TcxGridTableCellViewInfo): Boolean; virtual;
|
|
function GetContentBounds: TRect; virtual;
|
|
function GetExpandButtonAreaBounds: TRect; virtual; abstract;
|
|
function GetFocusRectBounds: TRect; virtual;
|
|
function GetHeight: Integer; override;
|
|
function GetHideFocusRect: Boolean; virtual;
|
|
function GetHitTestClass: TcxCustomGridHitTestClass; override;
|
|
function GetVisible: Boolean; override;
|
|
function HasFocusRect: Boolean; virtual;
|
|
procedure InitHitTest(AHitTest: TcxCustomGridHitTest); override;
|
|
function IsClickHitTest(AHitTest: TcxCustomGridHitTest): Boolean; virtual;
|
|
function IsDetailVisible(ADetail: TcxCustomGridView): Boolean; virtual;
|
|
procedure Offset(DX, DY: Integer); override;
|
|
procedure VisibilityChanged(AVisible: Boolean); virtual;
|
|
|
|
property AutoHeight: Boolean read GetAutoHeight;
|
|
property BackgroundBitmapBounds: TRect read GetBackgroundBitmapBounds;
|
|
property CacheItem: TcxCustomGridTableViewInfoCacheItem read GetCacheItem;
|
|
property ExpandButtonAreaBounds: TRect read GetExpandButtonAreaBounds;
|
|
property Expanded: Boolean read GetExpanded;
|
|
public
|
|
constructor Create(ARecordsViewInfo: TcxCustomGridRecordsViewInfo;
|
|
ARecord: TcxCustomGridRecord); virtual;
|
|
destructor Destroy; override;
|
|
procedure BeforeRecalculation; override;
|
|
function Click(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; reintroduce; virtual;
|
|
function GetBoundsForInvalidate(AItem: TcxCustomGridTableItem): TRect; virtual;
|
|
function GetBoundsForItem(AItem: TcxCustomGridTableItem): TRect; virtual;
|
|
function GetCellViewInfoByItem(AItem: TcxCustomGridTableItem): TcxGridTableDataCellViewInfo; virtual;
|
|
{procedure GetDataCellViewParams(AItem: TcxCustomGridTableItem;
|
|
ACellViewInfo: TcxGridTableCellViewInfo; var AParams: TcxViewParams); virtual;}
|
|
function GetHitTest(const P: TPoint): TcxCustomGridHitTest; override;
|
|
procedure MainCalculate(ALeftBound, ATopBound: Integer); virtual;
|
|
function MouseDown(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
procedure Recalculate;
|
|
|
|
property ContentBounds: TRect read GetContentBounds;
|
|
property ExpandButtonBounds: TRect read FExpandButtonBounds;
|
|
property Focused: Boolean read GetFocused;
|
|
property FocusRectBounds: TRect read GetFocusRectBounds;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property GridRecord: TcxCustomGridRecord read FRecord;
|
|
property GridViewInfo: TcxCustomGridTableViewInfo read GetGridViewInfo;
|
|
property Index: Integer read GetIndex;
|
|
property HideFocusRect: Boolean read GetHideFocusRect;
|
|
property RecordsViewInfo: TcxCustomGridRecordsViewInfo read FRecordsViewInfo;
|
|
property Selected: Boolean read GetSelected;
|
|
end;
|
|
|
|
TcxCustomGridRecordsViewInfoClass = class of TcxCustomGridRecordsViewInfo;
|
|
|
|
TcxCustomGridRecordsViewInfo = class
|
|
private
|
|
FBackgroundBitmap: TBitmap;
|
|
FBounds: TRect;
|
|
FGridViewInfo: TcxCustomGridTableViewInfo;
|
|
FIncSearchingCellViewInfo: TcxGridTableDataCellViewInfo;
|
|
FIsIncSearchingCellViewInfoCalculated: Boolean;
|
|
FItems: TList;
|
|
FItemsOffset: Integer;
|
|
|
|
function GetCanvas: TcxCanvas;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetCount: Integer;
|
|
function GetFirstRecordIndex: Integer;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetIncSearchingCellViewInfo: TcxGridTableDataCellViewInfo;
|
|
function GetItem(Index: Integer): TcxCustomGridRecordViewInfo;
|
|
function GetMaxCount: Integer;
|
|
function GetTopRecordIndex: Integer;
|
|
function GetViewData: TcxCustomGridTableViewData;
|
|
|
|
procedure CreateItems;
|
|
procedure DestroyItems;
|
|
function CreateRecordViewInfo(AIndex: Integer): TcxCustomGridRecordViewInfo;
|
|
protected
|
|
FVisibleCount: Integer;
|
|
procedure AfterCalculate; virtual;
|
|
procedure BeforeCalculate; virtual;
|
|
procedure BeforeItemRecalculation; virtual;
|
|
procedure BeforeOffset; virtual;
|
|
procedure Calculate; virtual;
|
|
function CalculateBounds: TRect; virtual;
|
|
function CalculateIncSearchingCellViewInfo: TcxGridTableDataCellViewInfo; virtual;
|
|
procedure CalculateVisibleCount; virtual;
|
|
procedure CreateEditViewDatas;
|
|
procedure DestroyEditViewDatas;
|
|
function GetAutoDataRecordHeight: Boolean; virtual;
|
|
function GetAutoRecordHeight: Boolean; virtual;
|
|
function GetBackgroundBitmap: TBitmap; virtual;
|
|
function GetItemLeftBound(AIndex: Integer): Integer; virtual; abstract; {2}
|
|
function GetItemsOffset(AItemCountDelta: Integer): Integer; virtual; abstract; {2}
|
|
function GetItemTopBound(AIndex: Integer): Integer; virtual; abstract; {2}
|
|
function GetRecordIndex(AViewInfoIndex: Integer): Integer;
|
|
function GetViewInfoIndex(ARecordIndex: Integer): Integer;
|
|
procedure OffsetItem(AIndex, AOffset: Integer); virtual; abstract; {2}
|
|
|
|
procedure ControlFocusChanged; virtual;
|
|
procedure VisibilityChanged(AVisible: Boolean); virtual;
|
|
|
|
function GetPainterClass: TcxCustomGridRecordsPainterClass; virtual;
|
|
|
|
property Canvas: TcxCanvas read GetCanvas;
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property FirstRecordIndex: Integer read GetFirstRecordIndex;
|
|
property GridViewInfo: TcxCustomGridTableViewInfo read FGridViewInfo;
|
|
property IncSearchingCellViewInfo: TcxGridTableDataCellViewInfo read GetIncSearchingCellViewInfo;
|
|
property MaxCount: Integer read GetMaxCount;
|
|
property TopRecordIndex: Integer read GetTopRecordIndex;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
public
|
|
constructor Create(AGridViewInfo: TcxCustomGridTableViewInfo); virtual;
|
|
destructor Destroy; override;
|
|
function CanOffset(AItemCountDelta: Integer): Boolean; virtual;
|
|
function GetCellHeight(ACellContentHeight: Integer): Integer; virtual;
|
|
function GetHitTest(const P: TPoint): TcxCustomGridHitTest; virtual;
|
|
function GetRealItem(ARecord: TcxCustomGridRecord; ARecordIndex: Integer): TcxCustomGridRecordViewInfo; virtual;
|
|
procedure MainCalculate; virtual;
|
|
procedure Offset(AItemCountDelta: Integer); overload; virtual;
|
|
procedure Offset(DX, DY: Integer); overload; virtual;
|
|
procedure Paint;
|
|
|
|
property AutoDataRecordHeight: Boolean read GetAutoDataRecordHeight;
|
|
property AutoRecordHeight: Boolean read GetAutoRecordHeight;
|
|
property BackgroundBitmap: TBitmap read FBackgroundBitmap write FBackgroundBitmap;
|
|
property Bounds: TRect read FBounds;
|
|
property Count: Integer read GetCount;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property Items[Index: Integer]: TcxCustomGridRecordViewInfo read GetItem; default;
|
|
property ItemsOffset: Integer read FItemsOffset;
|
|
property VisibleCount: Integer read FVisibleCount;
|
|
end;
|
|
|
|
TcxNavigatorSiteViewInfoClass = class of TcxNavigatorSiteViewInfo;
|
|
|
|
TcxNavigatorSiteViewInfo = class(TcxCustomGridViewCellViewInfo)
|
|
private
|
|
function GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
function GetNavigatorViewInfo: TcxNavigatorViewInfo;
|
|
protected
|
|
function CalculateWidth: Integer; override;
|
|
function GetHitTestClass: TcxCustomGridHitTestClass; override;
|
|
function GetHotTrack: Boolean; override;
|
|
function GetPainterClass: TcxCustomGridCellPainterClass; override;
|
|
function GetVisible: Boolean; override;
|
|
procedure MouseLeave; override;
|
|
procedure GetViewParams(var AParams: TcxViewParams); override;
|
|
function GetWidth: Integer; override;
|
|
public
|
|
function MouseDown(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
function MouseMove(AHitTest: TcxCustomGridHitTest; AShift: TShiftState): Boolean; override;
|
|
function MouseUp(AHitTest: TcxCustomGridHitTest; AButton: TMouseButton;
|
|
AShift: TShiftState): Boolean; override;
|
|
property GridViewInfo: TcxCustomGridTableViewInfo read GetGridViewInfo;
|
|
property NavigatorViewInfo: TcxNavigatorViewInfo read GetNavigatorViewInfo;
|
|
end;
|
|
|
|
TcxCustomGridTableViewInfo = class(TcxCustomGridViewInfo, IcxNavigatorOwner)
|
|
protected
|
|
FAllowCheckCoordinates: Boolean;
|
|
FCalculateDown: Boolean;
|
|
FExpandButtonIndent: Integer;
|
|
FFirstRecordIndex: Integer;
|
|
FLevelIndent: Integer;
|
|
FNavigatorSize: TPoint;
|
|
FNavigatorSiteViewInfo: TcxNavigatorSiteViewInfo;
|
|
FNavigatorViewInfo: TcxNavigatorViewInfo;
|
|
FRecordsViewInfo: TcxCustomGridRecordsViewInfo;
|
|
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetExpandButtonSize: Integer;
|
|
function GetFirstRecordIndex: Integer;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
function GetScrollableAreaWidth: Integer;
|
|
function GetViewData: TcxCustomGridTableViewData;
|
|
function GetVisibleRecordCount: Integer;
|
|
protected
|
|
// IcxNavigatorOwner
|
|
procedure NavigatorChanged(AChangeType: TcxNavigatorChangeType);
|
|
function GetNavigatorBounds: TRect; virtual;
|
|
function GetNavigatorButtons: TcxCustomNavigatorButtons;
|
|
function GetNavigatorCanvas: TCanvas;
|
|
function GetNavigatorControl: TWinControl;
|
|
function GetNavigatorFocused: Boolean;
|
|
function GetNavigatorLookAndFeel: TcxLookAndFeel;
|
|
function GetNavigatorOwner: TComponent;
|
|
function GetNavigatorShowHint: Boolean;
|
|
function GetNavigatorTabStop: Boolean;
|
|
procedure NavigatorButtonsStateChanged;
|
|
procedure RefreshNavigator;
|
|
|
|
procedure CreateViewInfos; override;
|
|
procedure DestroyViewInfos(AIsRecreating: Boolean); override;
|
|
|
|
procedure AfterCalculating; override;
|
|
procedure BeforeCalculating; override;
|
|
procedure BeforeOffset; virtual;
|
|
procedure Calculate; override;
|
|
function CalculateVisibleEqualHeightRecordCount: Integer; virtual;
|
|
procedure ControlFocusChanged; override;
|
|
function GetDefaultGridModeBufferCount: Integer; virtual;
|
|
procedure GetHScrollBarBounds(var ABounds: TRect); override;
|
|
function GetIsInternalUse: Boolean; override;
|
|
function GetNavigatorOffset: Integer; virtual;
|
|
function GetNavigatorSiteBounds: TRect; virtual;
|
|
function GetNavigatorSiteViewInfoClass: TcxNavigatorSiteViewInfoClass; virtual;
|
|
function GetNavigatorViewInfoClass: TcxNavigatorViewInfoClass; virtual;
|
|
function GetRecordsViewInfoClass: TcxCustomGridRecordsViewInfoClass; virtual; abstract;
|
|
function GetScrollableAreaBounds: TRect; virtual;
|
|
function GetScrollableAreaBoundsForEdit: TRect; virtual;
|
|
function GetScrollableAreaBoundsHorz: TRect; virtual;
|
|
function GetScrollableAreaBoundsVert: TRect; virtual;
|
|
function FirstRecordIndexAssigned: Boolean;
|
|
procedure Offset(ARecordCountDelta: Integer); overload; virtual;
|
|
procedure Offset(DX, DY: Integer); overload; virtual;
|
|
procedure VisibilityChanged(AVisible: Boolean); override;
|
|
|
|
procedure CalculateExpandButtonParams; virtual;
|
|
function CanCheckCoordinates: Boolean; virtual;
|
|
property AllowCheckCoordinates: Boolean read FAllowCheckCoordinates
|
|
write FAllowCheckCoordinates;
|
|
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
function CanOffset(ARecordCountDelta, DX, DY: Integer): Boolean; virtual;
|
|
function CanOffsetView(ARecordCountDelta: Integer): Boolean; virtual;
|
|
function GetHitTest(const P: TPoint): TcxCustomGridHitTest; override;
|
|
procedure DoOffset(ARecordCountDelta, DX, DY: Integer); virtual;
|
|
|
|
// for extended lookup edit
|
|
function GetNearestPopupHeight(AHeight: Integer; AAdditionalRecord: Boolean = False): Integer; virtual;
|
|
function GetPopupHeight(ADropDownRecordCount: Integer): Integer; virtual;
|
|
|
|
property CalculateDown: Boolean read FCalculateDown write FCalculateDown;
|
|
property ExpandButtonIndent: Integer read FExpandButtonIndent write FExpandButtonIndent;
|
|
property ExpandButtonSize: Integer read GetExpandButtonSize;
|
|
property FirstRecordIndex: Integer read GetFirstRecordIndex write FFirstRecordIndex;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property LevelIndent: Integer read FLevelIndent write FLevelIndent;
|
|
property NavigatorBounds: TRect read GetNavigatorBounds;
|
|
property NavigatorOffset: Integer read GetNavigatorOffset;
|
|
property NavigatorSize: TPoint read FNavigatorSize;
|
|
property NavigatorSiteViewInfo: TcxNavigatorSiteViewInfo read FNavigatorSiteViewInfo;
|
|
property NavigatorViewInfo: TcxNavigatorViewInfo read FNavigatorViewInfo;
|
|
property RecordsViewInfo: TcxCustomGridRecordsViewInfo read FRecordsViewInfo;
|
|
property ScrollableAreaBounds: TRect read GetScrollableAreaBounds;
|
|
property ScrollableAreaBoundsForEdit: TRect read GetScrollableAreaBoundsForEdit;
|
|
property ScrollableAreaBoundsHorz: TRect read GetScrollableAreaBoundsHorz;
|
|
property ScrollableAreaBoundsVert: TRect read GetScrollableAreaBoundsVert;
|
|
property ScrollableAreaWidth: Integer read GetScrollableAreaWidth;
|
|
property VisibleRecordCount: Integer read GetVisibleRecordCount;
|
|
end;
|
|
|
|
// cache
|
|
|
|
TcxCustomGridTableViewInfoCacheItem = class(TcxCustomGridViewInfoCacheItem)
|
|
private
|
|
FHeight: Integer;
|
|
FIsHeightAssigned: Boolean;
|
|
function GetGridRecord: TcxCustomGridRecord;
|
|
procedure SetHeight(Value: Integer);
|
|
protected
|
|
property GridRecord: TcxCustomGridRecord read GetGridRecord;
|
|
public
|
|
procedure UnassignValues(AKeepMaster: Boolean); override;
|
|
property Height: Integer read FHeight write SetHeight;
|
|
property IsHeightAssigned: Boolean read FIsHeightAssigned write FIsHeightAssigned;
|
|
end;
|
|
|
|
TcxCustomGridTableViewInfoCache = class(TcxCustomGridViewInfoCache)
|
|
private
|
|
function GetViewData: TcxCustomGridTableViewData;
|
|
protected
|
|
function GetItemClass: TcxCustomGridViewInfoCacheItemClass; override;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
end;
|
|
|
|
{ view }
|
|
|
|
// custom item
|
|
|
|
TcxCustomGridTableItemCustomOptions = class(TPersistent)
|
|
private
|
|
FItem: TcxCustomGridTableItem;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
protected
|
|
procedure Changed; virtual;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
property Item: TcxCustomGridTableItem read FItem;
|
|
public
|
|
constructor Create(AItem: TcxCustomGridTableItem); virtual;
|
|
procedure Assign(Source: TPersistent); override;
|
|
end;
|
|
|
|
TcxGridItemShowEditButtons = (isebDefault, isebNever, isebAlways);
|
|
|
|
TcxCustomGridTableItemOptionsClass = class of TcxCustomGridTableItemOptions;
|
|
|
|
TcxCustomGridTableItemOptions = class(TcxCustomGridTableItemCustomOptions)
|
|
private
|
|
FEditing: Boolean;
|
|
FFiltering: Boolean;
|
|
FFocusing: Boolean;
|
|
FGrouping: Boolean;
|
|
FIncSearch: Boolean;
|
|
FMoving: Boolean;
|
|
FShowEditButtons: TcxGridItemShowEditButtons;
|
|
FSorting: Boolean;
|
|
procedure SetEditing(Value: Boolean);
|
|
procedure SetFiltering(Value: Boolean);
|
|
procedure SetFocusing(Value: Boolean);
|
|
procedure SetIncSearch(Value: Boolean);
|
|
procedure SetShowEditButtons(Value: TcxGridItemShowEditButtons);
|
|
protected
|
|
property Grouping: Boolean read FGrouping write FGrouping default True;
|
|
property Moving: Boolean read FMoving write FMoving default True;
|
|
property Sorting: Boolean read FSorting write FSorting default True;
|
|
public
|
|
constructor Create(AItem: TcxCustomGridTableItem); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
published
|
|
property Editing: Boolean read FEditing write SetEditing default True;
|
|
property Filtering: Boolean read FFiltering write SetFiltering default True;
|
|
property Focusing: Boolean read FFocusing write SetFocusing default True;
|
|
property IncSearch: Boolean read FIncSearch write SetIncSearch default True;
|
|
property ShowEditButtons: TcxGridItemShowEditButtons read FShowEditButtons
|
|
write SetShowEditButtons default isebDefault;
|
|
end;
|
|
|
|
TcxGridGetCellStyleEvent = procedure(Sender: TcxCustomGridTableView; ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; {$IFDEF BCB}var{$ELSE}out{$ENDIF} AStyle: TcxStyle) of object;
|
|
|
|
TcxGridGetRecordStyleEvent = procedure(Sender: TcxCustomGridTableView; ARecord: TcxCustomGridRecord;
|
|
{$IFDEF BCB}var{$ELSE}out{$ENDIF} AStyle: TcxStyle) of object;
|
|
|
|
TcxCustomGridTableItemStylesClass = class of TcxCustomGridTableItemStyles;
|
|
|
|
TcxCustomGridTableItemStyles = class(TcxCustomGridStyles)
|
|
private
|
|
FOnGetContentStyle: TcxGridGetCellStyleEvent;
|
|
function GetGridViewValue: TcxCustomGridTableView;
|
|
function GetItem: TcxCustomGridTableItem;
|
|
protected
|
|
procedure GetDefaultViewParams(Index: Integer; AData: TObject; out AParams: TcxViewParams); override;
|
|
function GetGridView: TcxCustomGridView; override;
|
|
public
|
|
procedure Assign(Source: TPersistent); override;
|
|
procedure GetContentParams(ARecord: TcxCustomGridRecord; out AParams: TcxViewParams); virtual;
|
|
property GridView: TcxCustomGridTableView read GetGridViewValue;
|
|
property Item: TcxCustomGridTableItem read GetItem;
|
|
published
|
|
property Content: TcxStyle index isContent read GetValue write SetValue;
|
|
property OnGetContentStyle: TcxGridGetCellStyleEvent read FOnGetContentStyle write FOnGetContentStyle;
|
|
end;
|
|
|
|
TcxGridSortOrder = TcxDataSortOrder;
|
|
TcxGridTableItemChange = (ticLayout, ticSize);
|
|
|
|
TcxGridTableDataCellCustomDrawEvent = procedure(Sender: TcxCustomGridTableView;
|
|
ACanvas: TcxCanvas; AViewInfo: TcxGridTableDataCellViewInfo; var ADone: Boolean) of object;
|
|
|
|
TcxGridGetFilterDisplayTextEvent = procedure(Sender: TcxCustomGridTableItem;
|
|
const AValue: Variant; var ADisplayText: string) of object;
|
|
TcxGridGetFilterValuesEvent = procedure(Sender: TcxCustomGridTableItem;
|
|
AValueList: TcxDataFilterValueList) of object;
|
|
TcxGridGetDisplayTextEvent = procedure(Sender: TcxCustomGridTableItem;
|
|
ARecord: TcxCustomGridRecord; var AText: string) of object;
|
|
TcxGridGetPropertiesEvent = procedure(Sender: TcxCustomGridTableItem;
|
|
ARecord: TcxCustomGridRecord; var AProperties: TcxCustomEditProperties) of object;
|
|
|
|
TcxCustomGridTableItemClass = class of TcxCustomGridTableItem;
|
|
|
|
TcxCustomGridTableItem = class(TcxComponent, IcxEditRepositoryItemListener, IcxStoredObject)
|
|
private
|
|
FCaption: string;
|
|
FCells: TList;
|
|
FCellStyle: TcxEditStyle;
|
|
FCellStyleUseCounter: Integer;
|
|
FDataBinding: TcxGridItemDataBinding;
|
|
FEditData: TcxCustomEditData;
|
|
FEditViewData: TcxCustomEditViewData;
|
|
FGridView: TcxCustomGridTableView;
|
|
FHeaderAlignmentHorz: TAlignment;
|
|
FHeaderAlignmentVert: TcxAlignmentVert;
|
|
//FHidden: Boolean;
|
|
FID: Integer;
|
|
FIgnoreLoadingStatus: Boolean;
|
|
FIndex: Integer;
|
|
FIsCaptionAssigned: Boolean;
|
|
FIsHeaderAlignmentHorzAssigned: Boolean;
|
|
FIsHeaderAlignmentVertAssigned: Boolean;
|
|
FIsWidthAssigned: Boolean;
|
|
FLastUsedDefaultRepositoryItem: TcxEditRepositoryItem;
|
|
FMinWidth: Integer;
|
|
FOptions: TcxCustomGridTableItemOptions;
|
|
FProperties: TcxCustomEditProperties;
|
|
FPropertiesClass: TcxCustomEditPropertiesClass;
|
|
FPropertiesValue: TcxCustomEditProperties;
|
|
FRepositoryItem: TcxEditRepositoryItem;
|
|
FStyles: TcxCustomGridTableItemStyles;
|
|
FVisible: Boolean;
|
|
FVisibleIndex: Integer;
|
|
FWasVisibleBeforeGrouping: Boolean;
|
|
FWidth: Integer;
|
|
|
|
FOnCustomDrawCell: TcxGridTableDataCellCustomDrawEvent;
|
|
FOnGetDisplayText: TcxGridGetDisplayTextEvent;
|
|
FOnGetFilterDisplayText: TcxGridGetFilterDisplayTextEvent;
|
|
FOnGetFilterValues: TcxGridGetFilterValuesEvent;
|
|
FOnGetProperties: TcxGridGetPropertiesEvent;
|
|
FSubClassEvents: TNotifyEvent;
|
|
|
|
function GetActualMinWidth: Integer;
|
|
function GetCaption: string;
|
|
function GetCell(Index: Integer): TcxGridTableDataCellViewInfo;
|
|
function GetCellCount: Integer;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetDataController: TcxCustomDataController;
|
|
function GetEditing: Boolean;
|
|
function GetEditingProperties: TcxCustomEditProperties;
|
|
function GetFilterCaption: string;
|
|
function GetFiltered: Boolean;
|
|
function GetFocused: Boolean;
|
|
function GetGroupIndex: Integer;
|
|
function GetHeaderAlignmentHorz: TAlignment;
|
|
function GetHeaderAlignmentVert: TcxAlignmentVert;
|
|
//function GetHidden: Boolean;
|
|
function GetIsLoading: Boolean;
|
|
function GetIncSearching: Boolean;
|
|
function GetIsDestroying: Boolean;
|
|
function GetIsFirst: Boolean;
|
|
function GetIsLast: Boolean;
|
|
function GetIsUpdating: Boolean;
|
|
function GetMinWidth: Integer;
|
|
function GetPropertiesClassName: string;
|
|
function GetSortIndex: Integer;
|
|
function GetSortOrder: TcxGridSortOrder;
|
|
function GetViewData: TcxCustomGridTableViewData;
|
|
function GetWidth: Integer;
|
|
procedure SetCaption(const Value: string);
|
|
procedure SetDataBinding(Value: TcxGridItemDataBinding);
|
|
procedure SetEditing(Value: Boolean);
|
|
procedure SetFiltered(Value: Boolean);
|
|
procedure SetFocused(Value: Boolean);
|
|
procedure SetGroupIndex(Value: Integer);
|
|
procedure SetHeaderAlignmentHorz(Value: TAlignment);
|
|
procedure SetHeaderAlignmentVert(Value: TcxAlignmentVert);
|
|
//procedure SetHidden(Value: Boolean);
|
|
procedure SetIndex(Value: Integer);
|
|
procedure SetMinWidth(Value: Integer);
|
|
procedure SetOnGetProperties(Value: TcxGridGetPropertiesEvent);
|
|
procedure SetOptions(Value: TcxCustomGridTableItemOptions);
|
|
procedure SetProperties(Value: TcxCustomEditProperties);
|
|
procedure SetPropertiesClass(Value: TcxCustomEditPropertiesClass);
|
|
procedure SetPropertiesClassName(const Value: string);
|
|
procedure SetRepositoryItem(Value: TcxEditRepositoryItem);
|
|
procedure SetSortIndex(Value: Integer);
|
|
procedure SetSortOrder(Value: TcxGridSortOrder);
|
|
procedure SetStyles(Value: TcxCustomGridTableItemStyles);
|
|
procedure SetVisible(Value: Boolean);
|
|
procedure SetVisibleIndex(Value: Integer);
|
|
procedure SetWidth(Value: Integer);
|
|
|
|
procedure ReadIsCaptionAssigned(Reader: TReader);
|
|
procedure WriteIsCaptionAssigned(Writer: TWriter);
|
|
|
|
function IsCaptionStored: Boolean;
|
|
//function IsHiddenStored: Boolean;
|
|
function IsWidthStored: Boolean;
|
|
|
|
function GetDataBindingClass: TcxGridItemDataBindingClass;
|
|
|
|
procedure CreateProperties;
|
|
procedure DestroyProperties;
|
|
procedure RecreateProperties;
|
|
protected
|
|
procedure DefineProperties(Filer: TFiler); override;
|
|
procedure SetParentComponent(AParent: TComponent); override;
|
|
|
|
// IcxEditRepositoryItemListener
|
|
procedure ItemRemoved(Sender: TcxEditRepositoryItem);
|
|
procedure PropertiesChanged(Sender: TcxEditRepositoryItem); overload; virtual;
|
|
// IcxStoredObject
|
|
function GetObjectName: string; virtual;
|
|
function IcxStoredObject.GetProperties = GetStoredProperties;
|
|
function GetStoredProperties(AProperties: TStrings): Boolean; virtual;
|
|
procedure GetPropertyValue(const AName: string; var AValue: Variant); virtual;
|
|
procedure SetPropertyValue(const AName: string; const AValue: Variant); virtual;
|
|
|
|
procedure CreateDataBinding; virtual;
|
|
procedure DestroyDataBinding; virtual;
|
|
|
|
procedure CreateSubClasses; virtual;
|
|
procedure DestroySubClasses; virtual;
|
|
|
|
function IsHeaderAlignmentHorzStored: Boolean;
|
|
function IsHeaderAlignmentVertStored: Boolean;
|
|
|
|
function CanAutoHeight: Boolean; virtual;
|
|
function CanEdit: Boolean; virtual;
|
|
function CanFilter(ACheckGridViewOptions: Boolean): Boolean; virtual;
|
|
function CanFocus: Boolean; virtual;
|
|
function CanGroup: Boolean; virtual;
|
|
function CanHide: Boolean; virtual;
|
|
function CanHorzSize: Boolean; virtual;
|
|
function CanIncSearch: Boolean; virtual;
|
|
function CanInitEditing: Boolean; virtual;
|
|
function CanMove: Boolean; virtual;
|
|
function CanScroll: Boolean; virtual;
|
|
function CanSort: Boolean; virtual;
|
|
procedure CaptionChanged; virtual;
|
|
procedure Changed(AChange: TcxGridTableItemChange); virtual;
|
|
procedure CheckWidthValue(var Value: Integer);
|
|
procedure DataChanged; virtual;
|
|
procedure ForceWidth(Value: Integer); virtual;
|
|
function GetActuallyVisible: Boolean; virtual;
|
|
function GetBestFitWidth: Integer; virtual;
|
|
function GetEditPartVisible: Boolean; virtual;
|
|
function GetEditValue: Variant; virtual;
|
|
function GetFilterable: Boolean; virtual;
|
|
procedure GetFilterDisplayText(const AValue: Variant; var ADisplayText: string); virtual;
|
|
function GetFixed: Boolean; virtual;
|
|
function GetFocusedCellViewInfo: TcxGridTableDataCellViewInfo; virtual;
|
|
function GetPropertiesValue: TcxCustomEditProperties;
|
|
function GetVisible: Boolean; virtual;
|
|
function GetVisibleIndex: Integer;
|
|
function HasCustomDrawCell: Boolean;
|
|
//procedure HiddenChanged; dynamic;
|
|
procedure InitProperties(AProperties: TcxCustomEditProperties); virtual;
|
|
function IsVisibleStored: Boolean; virtual;
|
|
procedure PropertiesChanged; overload; virtual;
|
|
procedure PropertiesChanged(Sender: TObject); overload; virtual;
|
|
procedure PropertiesValueChanged;
|
|
procedure RecalculateDefaultWidth;
|
|
procedure SetEditValue(const Value: Variant); virtual;
|
|
procedure SetGridView(Value: TcxCustomGridTableView); virtual;
|
|
function ShowButtons(AFocused: Boolean): Boolean; virtual;
|
|
function ShowOnUngrouping: Boolean; virtual;
|
|
function UseOwnProperties: Boolean;
|
|
procedure ValueTypeClassChanged; virtual;
|
|
|
|
function GetOptionsClass: TcxCustomGridTableItemOptionsClass; virtual;
|
|
function GetStylesClass: TcxCustomGridTableItemStylesClass; virtual;
|
|
|
|
function DefaultCaption: string; virtual;
|
|
function DefaultHeaderAlignmentHorz: TAlignment;
|
|
function DefaultHeaderAlignmentVert: TcxAlignmentVert;
|
|
function DefaultRepositoryItem: TcxEditRepositoryItem;
|
|
function DefaultWidth: Integer; virtual;
|
|
|
|
function GetCellStyle: TcxEditStyle;
|
|
procedure InitStyle(AStyle: TcxCustomEditStyle; AParams: TcxViewParams; AFocused: Boolean); virtual;
|
|
procedure ReleaseCellStyle;
|
|
|
|
procedure AddCell(ACell: TcxGridTableDataCellViewInfo);
|
|
procedure RemoveCell(ACell: TcxGridTableDataCellViewInfo);
|
|
property CellCount: Integer read GetCellCount;
|
|
property Cells[Index: Integer]: TcxGridTableDataCellViewInfo read GetCell;
|
|
|
|
function CreateEditViewData(AProperties: TcxCustomEditProperties): TcxCustomEditViewData;
|
|
procedure DestroyEditViewData(var AEditViewData: TcxCustomEditViewData);
|
|
procedure DoCreateEditViewData;
|
|
procedure DoDestroyEditViewData;
|
|
function GetEditViewData(AProperties: TcxCustomEditProperties;
|
|
out AIsLocalCopy: Boolean): TcxCustomEditViewData;
|
|
procedure ReleaseEditViewData(var AEditViewData: TcxCustomEditViewData; AIsLocalCopy: Boolean);
|
|
property EditViewData: TcxCustomEditViewData read FEditViewData;
|
|
|
|
procedure DoCustomDrawCell(ACanvas: TcxCanvas; AViewInfo: TcxGridTableDataCellViewInfo;
|
|
var ADone: Boolean); virtual;
|
|
procedure DoGetDisplayText(ARecord: TcxCustomGridRecord; var AText: string); virtual;
|
|
procedure DoGetFilterValues(AValueList: TcxDataFilterValueList); virtual;
|
|
function DoGetProperties(ARecord: TcxCustomGridRecord): TcxCustomEditProperties; virtual;
|
|
|
|
property IsDestroying: Boolean read GetIsDestroying;
|
|
property IsLoading: Boolean read GetIsLoading;
|
|
property IsUpdating: Boolean read GetIsUpdating;
|
|
|
|
property ActualMinWidth: Integer read GetActualMinWidth;
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property DataController: TcxCustomDataController read GetDataController;
|
|
property EditingProperties: TcxCustomEditProperties read GetEditingProperties;
|
|
property EditPartVisible: Boolean read GetEditPartVisible;
|
|
property Filterable: Boolean read GetFilterable;
|
|
property FilterCaption: string read GetFilterCaption;
|
|
property Filtered: Boolean read GetFiltered write SetFiltered;
|
|
property Fixed: Boolean read GetFixed;
|
|
property GroupIndex: Integer read GetGroupIndex write SetGroupIndex default -1;
|
|
property HeaderAlignmentHorz: TAlignment read GetHeaderAlignmentHorz write SetHeaderAlignmentHorz
|
|
stored IsHeaderAlignmentHorzStored;
|
|
property HeaderAlignmentVert: TcxAlignmentVert read GetHeaderAlignmentVert
|
|
write SetHeaderAlignmentVert stored IsHeaderAlignmentVertStored;
|
|
//property Hidden: Boolean read GetHidden write SetHidden stored IsHiddenStored;
|
|
property IgnoreLoadingStatus: Boolean read FIgnoreLoadingStatus write FIgnoreLoadingStatus;
|
|
property InternalVisible: Boolean read FVisible;
|
|
property MinWidth: Integer read GetMinWidth write SetMinWidth
|
|
default cxGridItemDefaultMinWidth;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
property WasVisibleBeforeGrouping: Boolean read FWasVisibleBeforeGrouping;
|
|
property Width: Integer read GetWidth write SetWidth stored IsWidthStored;
|
|
|
|
property OnGetFilterDisplayText: TcxGridGetFilterDisplayTextEvent read FOnGetFilterDisplayText
|
|
write FOnGetFilterDisplayText;
|
|
property OnGetFilterValues: TcxGridGetFilterValuesEvent read FOnGetFilterValues write FOnGetFilterValues;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
function GetParentComponent: TComponent; override;
|
|
function HasParent: Boolean; override;
|
|
|
|
procedure ApplyBestFit; virtual;
|
|
function CalculateDefaultCellHeight(ACanvas: TcxCanvas; AFont: TFont): Integer; virtual;
|
|
function CreateEditStyle: TcxEditStyle; virtual;
|
|
function GetDefaultValuesProvider(AProperties: TcxCustomEditProperties = nil): IcxEditDefaultValuesProvider;
|
|
function GetProperties: TcxCustomEditProperties; overload;
|
|
function GetProperties(ARecord: TcxCustomGridRecord): TcxCustomEditProperties; overload;
|
|
function GetRepositoryItem: TcxEditRepositoryItem;
|
|
procedure RestoreDefaults; virtual;
|
|
|
|
property ActuallyVisible: Boolean read GetActuallyVisible;
|
|
property DataBinding: TcxGridItemDataBinding read FDataBinding write SetDataBinding;
|
|
property Editing: Boolean read GetEditing write SetEditing;
|
|
property EditValue: Variant read GetEditValue write SetEditValue;
|
|
property Focused: Boolean read GetFocused write SetFocused;
|
|
property FocusedCellViewInfo: TcxGridTableDataCellViewInfo read GetFocusedCellViewInfo;
|
|
property GridView: TcxCustomGridTableView read FGridView;
|
|
property Hideable: Boolean read CanHide;
|
|
property ID: Integer read FID;
|
|
property IncSearching: Boolean read GetIncSearching;
|
|
property Index: Integer read FIndex write SetIndex;
|
|
property IsFirst: Boolean read GetIsFirst;
|
|
property IsLast: Boolean read GetIsLast;
|
|
property Options: TcxCustomGridTableItemOptions read FOptions write SetOptions;
|
|
property PropertiesClass: TcxCustomEditPropertiesClass read FPropertiesClass write SetPropertiesClass;
|
|
property SortIndex: Integer read GetSortIndex write SetSortIndex;
|
|
property SortOrder: TcxGridSortOrder read GetSortOrder write SetSortOrder default soNone;
|
|
property Styles: TcxCustomGridTableItemStyles read FStyles write SetStyles;
|
|
property VisibleIndex: Integer read FVisibleIndex write SetVisibleIndex;
|
|
published
|
|
property Caption: string read GetCaption write SetCaption stored IsCaptionStored;
|
|
property PropertiesClassName: string read GetPropertiesClassName write SetPropertiesClassName;
|
|
property Properties: TcxCustomEditProperties read FProperties write SetProperties;
|
|
property RepositoryItem: TcxEditRepositoryItem read FRepositoryItem write SetRepositoryItem;
|
|
property Visible: Boolean read GetVisible write SetVisible stored IsVisibleStored;
|
|
property PropertiesEvents: TNotifyEvent read FSubClassEvents write FSubClassEvents;
|
|
property StylesEvents: TNotifyEvent read FSubClassEvents write FSubClassEvents;
|
|
property OnCustomDrawCell: TcxGridTableDataCellCustomDrawEvent read FOnCustomDrawCell write FOnCustomDrawCell;
|
|
property OnGetDisplayText: TcxGridGetDisplayTextEvent read FOnGetDisplayText write FOnGetDisplayText;
|
|
property OnGetProperties: TcxGridGetPropertiesEvent read FOnGetProperties write SetOnGetProperties;
|
|
end;
|
|
|
|
// grid view options
|
|
|
|
{4}
|
|
TcxCustomGridTableBackgroundBitmaps = class(TcxCustomGridBackgroundBitmaps)
|
|
protected
|
|
function GetBitmapStyleIndex(Index: Integer): Integer; override;
|
|
public
|
|
procedure Assign(Source: TPersistent); override;
|
|
published
|
|
property Content: TBitmap index bbContent read GetValue write SetValue;
|
|
end;
|
|
|
|
TcxGridTableFilterVisible = (fvNever, fvNonEmpty, fvAlways);
|
|
|
|
TcxCustomGridTableFilteringClass = class of TcxCustomGridTableFiltering;
|
|
|
|
TcxCustomGridTableFiltering = class(TcxCustomGridOptions)
|
|
private
|
|
FCustomizeDialog: Boolean;
|
|
FDropDownWidth: Integer;
|
|
FMaxDropDownCount: Integer;
|
|
FVisible: TcxGridTableFilterVisible;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
procedure SetCustomizeDialog(Value: Boolean);
|
|
procedure SetDropDownWidth(Value: Integer);
|
|
procedure SetMaxDropDownCount(Value: Integer);
|
|
procedure SetVisible(Value: TcxGridTableFilterVisible);
|
|
procedure FilterControlDialogApply(Sender: TObject);
|
|
protected
|
|
property CustomizeDialog: Boolean read FCustomizeDialog write SetCustomizeDialog default True;
|
|
property DropDownWidth: Integer read FDropDownWidth write SetDropDownWidth default 0;
|
|
property MaxDropDownCount: Integer read FMaxDropDownCount write SetMaxDropDownCount
|
|
default cxGridFilterDefaultMaxDropDownCount;
|
|
property Visible: TcxGridTableFilterVisible read FVisible write SetVisible default fvNonEmpty;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
function GetDropDownCount(AItemCount: Integer): Integer;
|
|
procedure RunCustomizeDialog(AItem: TcxCustomGridTableItem = nil);
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
end;
|
|
|
|
TcxGridDragFocusing = (dfNone, dfDragOver, dfDragDrop);
|
|
|
|
TcxCustomGridTableOptionsBehaviorClass = class of TcxCustomGridTableOptionsBehavior;
|
|
|
|
TcxCustomGridTableOptionsBehavior = class(TcxCustomGridOptions)
|
|
private
|
|
FAlwaysShowEditor: Boolean;
|
|
FBestFitMaxRecordCount: Integer;
|
|
FCellHints: Boolean;
|
|
FDragFocusing: TcxGridDragFocusing;
|
|
FDragHighlighting: Boolean;
|
|
FDragOpening: Boolean;
|
|
FDragScrolling: Boolean;
|
|
FFocusCellOnCycle: Boolean;
|
|
FFocusCellOnTab: Boolean;
|
|
FFocusFirstCellOnNewRecord: Boolean;
|
|
FGoToNextCellOnEnter: Boolean;
|
|
FImmediateEditor: Boolean;
|
|
FIncSearch: Boolean;
|
|
FIncSearchItem: TcxCustomGridTableItem;
|
|
FNavigatorHints: Boolean;
|
|
FPullFocusing: Boolean;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
procedure SetBestFitMaxRecordCount(Value: Integer);
|
|
procedure SetFocusCellOnTab(Value: Boolean);
|
|
procedure SetIncSearch(Value: Boolean);
|
|
protected
|
|
property FocusCellOnCycle: Boolean read FFocusCellOnCycle write FFocusCellOnCycle default False;
|
|
property PullFocusing: Boolean read FPullFocusing write FPullFocusing default False;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
property BestFitMaxRecordCount: Integer read FBestFitMaxRecordCount write SetBestFitMaxRecordCount default 0;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
published
|
|
property AlwaysShowEditor: Boolean read FAlwaysShowEditor write FAlwaysShowEditor default False;
|
|
property CellHints: Boolean read FCellHints write FCellHints default False; {9}
|
|
property DragFocusing: TcxGridDragFocusing read FDragFocusing write FDragFocusing default dfNone;
|
|
property DragHighlighting: Boolean read FDragHighlighting write FDragHighlighting default True;
|
|
property DragOpening: Boolean read FDragOpening write FDragOpening default True;
|
|
property DragScrolling: Boolean read FDragScrolling write FDragScrolling default True;
|
|
property FocusCellOnTab: Boolean read FFocusCellOnTab write SetFocusCellOnTab default False;
|
|
property FocusFirstCellOnNewRecord: Boolean read FFocusFirstCellOnNewRecord
|
|
write FFocusFirstCellOnNewRecord default False;
|
|
property GoToNextCellOnEnter: Boolean read FGoToNextCellOnEnter write FGoToNextCellOnEnter default False;
|
|
property ImmediateEditor: Boolean read FImmediateEditor write FImmediateEditor default True;
|
|
property IncSearch: Boolean read FIncSearch write SetIncSearch default False;
|
|
property IncSearchItem: TcxCustomGridTableItem read FIncSearchItem write FIncSearchItem;
|
|
property NavigatorHints: Boolean read FNavigatorHints write FNavigatorHints default False;
|
|
end;
|
|
|
|
TcxCustomGridTableOptionsCustomizeClass = class of TcxCustomGridTableOptionsCustomize;
|
|
|
|
TcxCustomGridTableOptionsCustomize = class(TcxCustomGridOptions)
|
|
private
|
|
FItemGrouping: Boolean;
|
|
FItemMoving: Boolean;
|
|
FItemSorting: Boolean;
|
|
protected
|
|
property ItemGrouping: Boolean read FItemGrouping write FItemGrouping default True;
|
|
property ItemMoving: Boolean read FItemMoving write FItemMoving default True;
|
|
property ItemSorting: Boolean read FItemSorting write FItemSorting default True;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
end;
|
|
|
|
TcxCustomGridTableOptionsDataClass = class of TcxCustomGridTableOptionsData;
|
|
|
|
TcxCustomGridTableOptionsData = class(TcxCustomGridOptions)
|
|
private
|
|
FAppending: Boolean;
|
|
FCancelOnExit: Boolean;
|
|
FDeleting: Boolean;
|
|
FDeletingConfirmation: Boolean;
|
|
FEditing: Boolean;
|
|
FInserting: Boolean;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
procedure SetDeleting(Value: Boolean);
|
|
procedure SetEditing(Value: Boolean);
|
|
procedure SetInserting(Value: Boolean);
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
published
|
|
property Appending: Boolean read FAppending write FAppending default False;
|
|
property CancelOnExit: Boolean read FCancelOnExit write FCancelOnExit default True;
|
|
property Deleting: Boolean read FDeleting write SetDeleting default True;
|
|
property DeletingConfirmation: Boolean read FDeletingConfirmation
|
|
write FDeletingConfirmation default True;
|
|
property Editing: Boolean read FEditing write SetEditing default True;
|
|
property Inserting: Boolean read FInserting write SetInserting default True;
|
|
end;
|
|
|
|
TcxCustomGridTableOptionsSelection = class(TcxCustomGridOptionsSelection)
|
|
private
|
|
FCellSelect: Boolean;
|
|
FHideFocusRect: Boolean;
|
|
FHideSelection: Boolean;
|
|
FInvertSelect: Boolean;
|
|
FUnselectFocusedRecordOnExit: Boolean;
|
|
function GetMultiSelect: Boolean;
|
|
procedure SetCellSelect(Value: Boolean);
|
|
procedure SetHideFocusRect(Value: Boolean);
|
|
procedure SetHideSelection(Value: Boolean);
|
|
procedure SetInvertSelect(Value: Boolean);
|
|
procedure SetMultiSelect(Value: Boolean);
|
|
protected
|
|
function GridView: TcxCustomGridTableView; reintroduce;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
published
|
|
property CellSelect: Boolean read FCellSelect write SetCellSelect default True;
|
|
property HideFocusRect: Boolean read FHideFocusRect write SetHideFocusRect default True;
|
|
property HideSelection: Boolean read FHideSelection write SetHideSelection default False;
|
|
property InvertSelect: Boolean read FInvertSelect write SetInvertSelect default True;
|
|
property MultiSelect: Boolean read GetMultiSelect write SetMultiSelect default False;
|
|
property UnselectFocusedRecordOnExit: Boolean read FUnselectFocusedRecordOnExit
|
|
write FUnselectFocusedRecordOnExit default True;
|
|
end;
|
|
|
|
TcxGridShowEditButtons = (gsebNever, gsebForFocusedRecord, gsebAlways);
|
|
|
|
TcxCustomGridTableOptionsView = class(TcxCustomGridOptionsView)
|
|
private
|
|
FCellAutoHeight: Boolean;
|
|
FCellEndEllipsis: Boolean;
|
|
FCellTextMaxLineCount: Integer;
|
|
FItemCaptionAutoHeight: Boolean;
|
|
FItemCaptionEndEllipsis: Boolean;
|
|
FNavigator: Boolean;
|
|
FNavigatorOffset: Integer;
|
|
FShowEditButtons: TcxGridShowEditButtons;
|
|
function GetGridView: TcxCustomGridTableView;
|
|
procedure SetCellAutoHeight(Value: Boolean);
|
|
procedure SetCellEndEllipsis(Value: Boolean);
|
|
procedure SetCellTextMaxLineCount(Value: Integer);
|
|
procedure SetItemCaptionAutoHeight(Value: Boolean);
|
|
procedure SetItemCaptionEndEllipsis(Value: Boolean);
|
|
procedure SetNavigator(Value: Boolean);
|
|
procedure SetNavigatorOffset(Value: Integer);
|
|
procedure SetShowEditButtons(Value: TcxGridShowEditButtons);
|
|
protected
|
|
procedure ItemCaptionAutoHeightChanged; dynamic;
|
|
procedure SizeChanged;
|
|
|
|
property CellAutoHeight: Boolean read FCellAutoHeight write SetCellAutoHeight default False;
|
|
property CellTextMaxLineCount: Integer read FCellTextMaxLineCount write SetCellTextMaxLineCount default 0;
|
|
property ItemCaptionAutoHeight: Boolean read FItemCaptionAutoHeight
|
|
write SetItemCaptionAutoHeight default False;
|
|
property ItemCaptionEndEllipsis: Boolean read FItemCaptionEndEllipsis
|
|
write SetItemCaptionEndEllipsis default False;
|
|
public
|
|
constructor Create(AGridView: TcxCustomGridView); override;
|
|
procedure Assign(Source: TPersistent); override;
|
|
property GridView: TcxCustomGridTableView read GetGridView;
|
|
published
|
|
property CellEndEllipsis: Boolean read FCellEndEllipsis write SetCellEndEllipsis
|
|
default False;
|
|
property Navigator: Boolean read FNavigator write SetNavigator default False;
|
|
property NavigatorOffset: Integer read FNavigatorOffset write SetNavigatorOffset default cxGridNavigatorDefaultOffset;
|
|
property ShowEditButtons: TcxGridShowEditButtons read FShowEditButtons
|
|
write SetShowEditButtons default gsebNever;
|
|
end;
|
|
|
|
TcxGridDataCellPos = class
|
|
GridRecord: TcxCustomGridRecord;
|
|
Item: TcxCustomGridTableItem;
|
|
end;
|
|
|
|
TcxCustomGridTableViewStyles = class(TcxCustomGridViewStyles)
|
|
private
|
|
FOnGetContentStyle: TcxGridGetCellStyleEvent;
|
|
function GetGridViewValue: TcxCustomGridTableView;
|
|
protected
|
|
procedure GetDefaultViewParams(Index: Integer; AData: TObject; out AParams: TcxViewParams); override;
|
|
public
|
|
procedure Assign(Source: TPersistent); override;
|
|
procedure GetContentParams(ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
|
|
out AParams: TcxViewParams); virtual;
|
|
procedure GetDataCellContentParams(ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
|
|
out AParams: TcxViewParams); virtual;
|
|
procedure GetDataCellParams(ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
|
|
out AParams: TcxViewParams; AUseViewInfo: Boolean = False; ACellViewInfo: TcxGridTableCellViewInfo = nil); virtual;
|
|
procedure GetRecordContentParams(ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
|
|
out AParams: TcxViewParams); virtual;
|
|
property GridView: TcxCustomGridTableView read GetGridViewValue;
|
|
published
|
|
property Content: TcxStyle index vsContent read GetValue write SetValue;
|
|
property ContentEven: TcxStyle index vsContentEven read GetValue write SetValue;
|
|
property ContentOdd: TcxStyle index vsContentOdd read GetValue write SetValue;
|
|
property Inactive: TcxStyle index vsInactive read GetValue write SetValue;
|
|
property IncSearch: TcxStyle index vsIncSearch read GetValue write SetValue;
|
|
property Selection: TcxStyle index vsSelection read GetValue write SetValue;
|
|
property OnGetContentStyle: TcxGridGetCellStyleEvent read FOnGetContentStyle write FOnGetContentStyle;
|
|
end;
|
|
|
|
// grid view
|
|
|
|
TcxGridTableCellCustomDrawEvent = procedure(Sender: TcxCustomGridTableView;
|
|
ACanvas: TcxCanvas; AViewInfo: TcxGridTableCellViewInfo; var ADone: Boolean) of object;
|
|
|
|
TcxGridCanSelectRecordEvent = procedure(Sender: TcxCustomGridTableView;
|
|
ARecord: TcxCustomGridRecord; var AAllow: Boolean) of object;
|
|
TcxGridCellClickEvent = procedure(Sender: TcxCustomGridTableView;
|
|
ACellViewInfo: TcxGridTableDataCellViewInfo; AButton: TMouseButton;
|
|
AShift: TShiftState; var AHandled: Boolean)of object;
|
|
TcxGridCustomTableViewEvent = procedure(Sender: TcxCustomGridTableView) of object;
|
|
TcxGridEditingEvent = procedure(Sender: TcxCustomGridTableView;
|
|
AItem: TcxCustomGridTableItem; var AAllow: Boolean) of object;
|
|
TcxGridCustomTableItemEvent = procedure(Sender: TcxCustomGridTableView;
|
|
AItem: TcxCustomGridTableItem) of object;
|
|
TcxGridFocusedItemChangedEvent = procedure(Sender: TcxCustomGridTableView;
|
|
APrevFocusedItem, AFocusedItem: TcxCustomGridTableItem) of object;
|
|
TcxGridFocusedRecordChangedEvent = procedure(Sender: TcxCustomGridTableView;
|
|
APrevFocusedRecord, AFocusedRecord: TcxCustomGridRecord; ANewItemRecordFocusingChanged: Boolean) of object;
|
|
TcxGridInitEditEvent = procedure(Sender: TcxCustomGridTableView;
|
|
AItem: TcxCustomGridTableItem; AEdit: TcxCustomEdit) of object;
|
|
TcxGridRecordEvent = procedure(Sender: TcxCustomGridTableView; ARecord: TcxCustomGridRecord) of object;
|
|
|
|
TcxGridDataControllerChange = (dccGlobal, dccItemAdded, dccItemRemoved, dccIndexesChanged);
|
|
|
|
TcxCustomGridTableView = class(TcxCustomGridView, IcxFilterControl, IcxNavigator)
|
|
private
|
|
FCopyToClipboardStr: string;
|
|
FDontMakeMasterRecordVisible: Boolean;
|
|
FFilterableItems: TList;
|
|
FFiltering: TcxCustomGridTableFiltering;
|
|
FItems: TList;
|
|
FNavigatorButtons: TcxNavigatorControlButtons;
|
|
FNavigatorNotifier: TcxNavigatorControlNotifier;
|
|
FNextID: Integer;
|
|
FOptionsBehavior: TcxCustomGridTableOptionsBehavior;
|
|
FOptionsCustomize: TcxCustomGridTableOptionsCustomize;
|
|
FOptionsData: TcxCustomGridTableOptionsData;
|
|
FVisibleItems: TList;
|
|
FOnCanSelectRecord: TcxGridCanSelectRecordEvent;
|
|
FOnCellClick: TcxGridCellClickEvent;
|
|
FOnCustomDrawCell: TcxGridTableDataCellCustomDrawEvent;
|
|
FOnEditing: TcxGridEditingEvent;
|
|
FOnEditChanged: TcxGridCustomTableItemEvent;
|
|
FOnEditValueChanged: TcxGridCustomTableItemEvent;
|
|
FOnFilterControlDialogShow: TNotifyEvent;
|
|
FOnFocusedItemChanged: TcxGridFocusedItemChangedEvent;
|
|
FOnFocusedRecordChanged: TcxGridFocusedRecordChangedEvent;
|
|
FOnInitEdit: TcxGridInitEditEvent;
|
|
//FOnRecordCreated: TcxGridRecordEvent;
|
|
//FOnRecordDestroying: TcxGridRecordEvent;
|
|
FOnSelectionChanged: TcxGridCustomTableViewEvent;
|
|
FOnTopRecordIndexChanged: TNotifyEvent;
|
|
|
|
function GetBackgroundBitmaps: TcxCustomGridTableBackgroundBitmaps;
|
|
function GetController: TcxCustomGridTableController;
|
|
function GetDataController: TcxGridDataController;
|
|
function GetFilterableItem(Index: Integer): TcxCustomGridTableItem;
|
|
function GetFilterableItemCount: Integer;
|
|
function GetGroupedItem(Index: Integer): TcxCustomGridTableItem;
|
|
function GetGroupedItemCount: Integer;
|
|
function GetItem(Index: Integer): TcxCustomGridTableItem;
|
|
function GetItemCount: Integer;
|
|
function GetMasterGridRecord: TcxCustomGridRecord;
|
|
function GetOptionsSelection: TcxCustomGridTableOptionsSelection;
|
|
function GetOptionsView: TcxCustomGridTableOptionsView;
|
|
function GetPainter: TcxCustomGridTablePainter;
|
|
function GetNavigatorButtonsControl: IcxNavigator;
|
|
function GetSortedItem(Index: Integer): TcxCustomGridTableItem;
|
|
function GetSortedItemCount: Integer;
|
|
function GetStyles: TcxCustomGridTableViewStyles;
|
|
function GetViewData: TcxCustomGridTableViewData;
|
|
function GetViewInfo: TcxCustomGridTableViewInfo;
|
|
function GetVisibleItem(Index: Integer): TcxCustomGridTableItem;
|
|
function GetVisibleItemCount: Integer;
|
|
procedure SetBackgroundBitmaps(Value: TcxCustomGridTableBackgroundBitmaps);
|
|
procedure SetDataController(Value: TcxGridDataController);
|
|
procedure SetFiltering(Value: TcxCustomGridTableFiltering);
|
|
procedure SetItem(Index: Integer; Value: TcxCustomGridTableItem);
|
|
procedure SetNavigatorButtons(Value: TcxNavigatorControlButtons);
|
|
procedure SetOptionsBehavior(Value: TcxCustomGridTableOptionsBehavior);
|
|
procedure SetOptionsCustomize(Value: TcxCustomGridTableOptionsCustomize);
|
|
procedure SetOptionsData(Value: TcxCustomGridTableOptionsData);
|
|
procedure SetOptionsSelection(Value: TcxCustomGridTableOptionsSelection);
|
|
procedure SetOptionsView(Value: TcxCustomGridTableOptionsView);
|
|
procedure SetStyles(Value: TcxCustomGridTableViewStyles);
|
|
|
|
procedure CopyForEachRowProc(ARowIndex: Integer; ARowInfo: TcxRowInfo);
|
|
procedure RefreshItemIndexes;
|
|
protected
|
|
// IcxFilterControl
|
|
function IcxFilterControl.GetCaption = GetFilterCaption;
|
|
function IcxFilterControl.GetCount = GetFilterCount;
|
|
function IcxFilterControl.GetCriteria = GetFilterCriteria;
|
|
function IcxFilterControl.GetFieldName = GetFilterFieldName;
|
|
function IcxFilterControl.GetItemLink = GetFilterItemLink;
|
|
function IcxFilterControl.GetItemLinkID = GetFilterItemLinkID;
|
|
function IcxFilterControl.GetItemLinkName = GetFilterItemLinkName;
|
|
function IcxFilterControl.GetProperties = GetFilterProperties;
|
|
function IcxFilterControl.GetValueType = GetFilterValueType;
|
|
function GetFilterCaption(Index: Integer): string;
|
|
function GetFilterCount: Integer;
|
|
function GetFilterCriteria: TcxFilterCriteria;
|
|
function GetFilterFieldName(Index: Integer): string;
|
|
function GetFilterItemLink(Index: Integer): TObject;
|
|
function GetFilterItemLinkID(Index: Integer): Integer;
|
|
function GetFilterItemLinkName(Index: Integer): string;
|
|
function GetFilterProperties(Index: Integer): TcxCustomEditProperties;
|
|
function GetFilterValueType(Index: Integer): TcxValueTypeClass;
|
|
// IcxNavigator
|
|
function IcxNavigator.IsActive = NavigatorIsActive;
|
|
function IcxNavigator.IsBof = NavigatorIsBof;
|
|
function IcxNavigator.IsEof = NavigatorIsEof;
|
|
function IcxNavigator.CanAppend = NavigatorCanAppend;
|
|
function IcxNavigator.CanEdit = NavigatorCanEdit;
|
|
function IcxNavigator.CanDelete = NavigatorCanDelete;
|
|
function IcxNavigator.CanInsert = NavigatorCanInsert;
|
|
function IcxNavigator.IsEditing = NavigatorIsEditing;
|
|
procedure IcxNavigator.ClearBookmark = NavigatorClearBookmark;
|
|
function IcxNavigator.IsBookmarkAvailable = NavigatorIsBookmarkAvailable;
|
|
procedure IcxNavigator.DoAction = NavigatorDoAction;
|
|
function IcxNavigator.GetNotifier = NavigatorGetNotifier;
|
|
function IcxNavigator.IsActionSupported = NavigatorIsActionSupported;
|
|
function NavigatorIsActive: Boolean;
|
|
function NavigatorIsBof: Boolean;
|
|
function NavigatorIsEof: Boolean;
|
|
function NavigatorCanAppend: Boolean;
|
|
function NavigatorCanEdit: Boolean;
|
|
function NavigatorCanDelete: Boolean;
|
|
function NavigatorCanInsert: Boolean;
|
|
function NavigatorIsEditing: Boolean;
|
|
procedure NavigatorClearBookmark;
|
|
function NavigatorIsBookmarkAvailable: Boolean;
|
|
procedure NavigatorDoAction(AButtonIndex: Integer);
|
|
function NavigatorGetNotifier: TcxNavigatorControlNotifier;
|
|
function NavigatorIsActionSupported(AButtonIndex: Integer): Boolean;
|
|
// IcxStoredObject
|
|
function GetProperties(AProperties: TStrings): Boolean; override;
|
|
procedure GetPropertyValue(const AName: string; var AValue: Variant); override;
|
|
procedure SetPropertyValue(const AName: string; const AValue: Variant); override;
|
|
// IcxStoredParent
|
|
function CreateChild(const AObjectName, AClassName: string): TObject; override;
|
|
procedure GetStoredChildren(AChildren: TStringList); override;
|
|
|
|
function CanOffset(ARecordCountDelta: Integer): Boolean; virtual;
|
|
function CanSelectRecord(ARecordIndex: Integer): Boolean; virtual;
|
|
function CanTabStop: Boolean; override;
|
|
procedure DetailVisibleChanged(ADetailLevel: TComponent;
|
|
APrevVisibleDetailCount, AVisibleDetailCount: Integer); override;
|
|
procedure DoAssign(ASource: TcxCustomGridView); override;
|
|
function FindItemByObjectName(const AObjectName: string): TcxCustomGridTableItem;
|
|
procedure FocusEdit(AItemIndex: Integer; var ADone: Boolean); virtual;
|
|
procedure GetChildren(Proc: TGetChildProc; Root: TComponent); override;
|
|
function GetDefaultActiveDetailIndex: Integer; virtual;
|
|
function GetDisplayText(ARecordIndex, AItemIndex: Integer; out AText: string): Boolean;
|
|
procedure GetFakeComponentLinks(AList: TList); override;
|
|
function GetIsControlFocused: Boolean; override;
|
|
function GetItemSortByDisplayText(AItemIndex: Integer): Boolean;
|
|
function GetItemValueSource(AItemIndex: Integer): TcxDataEditValueSource;
|
|
function HasCustomDrawCell: Boolean;
|
|
procedure Init; override;
|
|
function IsDetailVisible(AGridView: TcxCustomGridView): Boolean; override;
|
|
function IsEqualHeightRecords: Boolean; virtual;
|
|
procedure LoadingComplete; override;
|
|
procedure Offset(ARecordCountDelta, DX, DY: Integer); virtual;
|
|
procedure SetChildOrder(Child: TComponent; Order: Integer); override;
|
|
procedure SetName(const NewName: TComponentName); override;
|
|
procedure UpdateControl(AInfo: TcxUpdateControlInfo); override;
|
|
procedure UpdateDataController(AChange: TcxGridDataControllerChange;
|
|
AItem: TcxCustomGridTableItem = nil);
|
|
procedure UpdateRecord; virtual;
|
|
|
|
procedure CreateHandlers; override;
|
|
procedure DestroyHandlers; override;
|
|
procedure CreateOptions; override;
|
|
procedure DestroyOptions; override;
|
|
|
|
procedure AddItem(AItem: TcxCustomGridTableItem); virtual;
|
|
procedure RemoveItem(AItem: TcxCustomGridTableItem); virtual;
|
|
procedure AssignVisibleItemsIndexes;
|
|
procedure ChangeItemIndex(AItem: TcxCustomGridTableItem; Value: Integer); virtual;
|
|
procedure ItemVisibilityChanged(AItem: TcxCustomGridTableItem; Value: Boolean); virtual;
|
|
procedure RefreshVisibleItemsList; virtual;
|
|
|
|
function GetItemClass: TcxCustomGridTableItemClass; virtual; abstract;
|
|
function GetItemDataBindingClass: TcxGridItemDataBindingClass; virtual;
|
|
function GetNextID: Integer;
|
|
procedure ReleaseID(AID: Integer);
|
|
|
|
procedure DataChanged; virtual;
|
|
procedure DataLayoutChanged; virtual;
|
|
function DoCellClick(ACellViewInfo: TcxGridTableDataCellViewInfo;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean; virtual;
|
|
function DoEditing(AItem: TcxCustomGridTableItem): Boolean; virtual;
|
|
procedure DoGetDisplayText(ARecord: TcxCustomGridRecord; AItemIndex: Integer; var AText: string); virtual;
|
|
procedure DoTopRecordIndexChanged; virtual;
|
|
procedure FocusedItemChanged(APrevFocusedItem, AFocusedItem: TcxCustomGridTableItem); virtual;
|
|
procedure FocusedRecordChanged(APrevFocusedRecordIndex, AFocusedRecordIndex: Integer;
|
|
ANewItemRecordFocusingChanged: Boolean); virtual;
|
|
procedure ItemValueTypeClassChanged(AItemIndex: Integer); virtual;
|
|
procedure RecalculateDefaultWidths;
|
|
procedure RecordChanged(ARecordIndex: Integer); virtual;
|
|
procedure RecordCountChanged; virtual;
|
|
procedure RefreshFilterableItemsList;
|
|
procedure RefreshNavigators;
|
|
procedure SearchChanged; virtual;
|
|
procedure SelectionChanged(AInfo: TcxSelectionChangedInfo); virtual;
|
|
|
|
function DrawDataCellSelected(ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
|
|
AUseViewInfo: Boolean = False; ACellViewInfo: TcxGridTableCellViewInfo = nil): Boolean; virtual;
|
|
function DrawRecordActive(ARecord: TcxCustomGridRecord): Boolean; virtual;
|
|
function DrawRecordFocused(ARecord: TcxCustomGridRecord): Boolean; virtual;
|
|
function DrawRecordSelected(ARecord: TcxCustomGridRecord): Boolean; virtual;
|
|
|
|
procedure DoCustomDrawCell(ACanvas: TcxCanvas; AViewInfo: TcxGridTableDataCellViewInfo;
|
|
var ADone: Boolean); virtual;
|
|
procedure DoEditChanged(AItem: TcxCustomGridTableItem); virtual;
|
|
procedure DoEditValueChanged(AItem: TcxCustomGridTableItem); virtual;
|
|
procedure DoInitEdit(AItem: TcxCustomGridTableItem; AEdit: TcxCustomEdit); virtual;
|
|
//procedure DoRecordCreated(ARecord: TcxCustomGridRecord); virtual;
|
|
//procedure DoRecordDestroying(ARecord: TcxCustomGridRecord); virtual;
|
|
|
|
function GetControllerClass: TcxCustomGridControllerClass; override;
|
|
function GetPainterClass: TcxCustomGridPainterClass; override;
|
|
function GetViewDataClass: TcxCustomGridViewDataClass; override;
|
|
function GetViewInfoCacheClass: TcxCustomGridViewInfoCacheClass; override;
|
|
function GetViewInfoClass: TcxCustomGridViewInfoClass; override;
|
|
|
|
function GetBackgroundBitmapsClass: TcxCustomGridBackgroundBitmapsClass; override;
|
|
function GetFilteringClass: TcxCustomGridTableFilteringClass; virtual;
|
|
function GetNavigatorButtonsClass: TcxNavigatorControlButtonsClass; virtual;
|
|
function GetOptionsBehaviorClass: TcxCustomGridTableOptionsBehaviorClass; virtual;
|
|
function GetOptionsCustomizeClass: TcxCustomGridTableOptionsCustomizeClass; virtual;
|
|
function GetOptionsDataClass: TcxCustomGridTableOptionsDataClass; virtual;
|
|
function GetOptionsSelectionClass: TcxCustomGridOptionsSelectionClass; override;
|
|
function GetOptionsViewClass: TcxCustomGridOptionsViewClass; override;
|
|
function GetStylesClass: TcxCustomGridViewStylesClass; override;
|
|
|
|
function GetSummaryGroupItemLinkClass: TcxDataSummaryGroupItemLinkClass; virtual;
|
|
function GetSummaryItemClass: TcxDataSummaryItemClass; virtual;
|
|
|
|
property BackgroundBitmaps: TcxCustomGridTableBackgroundBitmaps read GetBackgroundBitmaps
|
|
write SetBackgroundBitmaps;
|
|
property DontMakeMasterRecordVisible: Boolean read FDontMakeMasterRecordVisible
|
|
write FDontMakeMasterRecordVisible;
|
|
property FilterableItemCount: Integer read GetFilterableItemCount;
|
|
property FilterableItems[Index: Integer]: TcxCustomGridTableItem read GetFilterableItem;
|
|
property NavigatorNotifier: TcxNavigatorControlNotifier read FNavigatorNotifier;
|
|
property NextID: Integer read FNextID;
|
|
property VisibleItemsList: TList read FVisibleItems;
|
|
property OnFilterControlDialogShow: TNotifyEvent read FOnFilterControlDialogShow write FOnFilterControlDialogShow;
|
|
public
|
|
destructor Destroy; override;
|
|
|
|
procedure ApplyBestFit(AItem: TcxCustomGridTableItem = nil);
|
|
procedure ClearItems;
|
|
procedure CopyToClipboard(ACopyAll: Boolean);
|
|
function CreateItem: TcxCustomGridTableItem;
|
|
function FindItemByID(AID: Integer): TcxCustomGridTableItem;
|
|
function FindItemByName(const AName: string): TcxCustomGridTableItem;
|
|
function IndexOfItem(AItem: TcxCustomGridTableItem): Integer;
|
|
procedure MakeMasterGridRecordVisible;
|
|
procedure RestoreDefaults; override;
|
|
|
|
// for extended lookup edit
|
|
class function CanBeLookupList: Boolean; virtual;
|
|
|
|
property Controller: TcxCustomGridTableController read GetController;
|
|
property Filtering: TcxCustomGridTableFiltering read FFiltering write SetFiltering;
|
|
property GroupedItemCount: Integer read GetGroupedItemCount;
|
|
property GroupedItems[Index: Integer]: TcxCustomGridTableItem read GetGroupedItem;
|
|
property ItemCount: Integer read GetItemCount;
|
|
property Items[Index: Integer]: TcxCustomGridTableItem read GetItem write SetItem;
|
|
property MasterGridRecord: TcxCustomGridRecord read GetMasterGridRecord;
|
|
property OptionsBehavior: TcxCustomGridTableOptionsBehavior read FOptionsBehavior
|
|
write SetOptionsBehavior;
|
|
property OptionsCustomize: TcxCustomGridTableOptionsCustomize read FOptionsCustomize
|
|
write SetOptionsCustomize;
|
|
property OptionsData: TcxCustomGridTableOptionsData read FOptionsData write SetOptionsData;
|
|
property OptionsSelection: TcxCustomGridTableOptionsSelection read GetOptionsSelection
|
|
write SetOptionsSelection;
|
|
property OptionsView: TcxCustomGridTableOptionsView read GetOptionsView write SetOptionsView;
|
|
property Painter: TcxCustomGridTablePainter read GetPainter;
|
|
property SortedItemCount: Integer read GetSortedItemCount;
|
|
property SortedItems[Index: Integer]: TcxCustomGridTableItem read GetSortedItem;
|
|
property Styles: TcxCustomGridTableViewStyles read GetStyles write SetStyles;
|
|
property ViewData: TcxCustomGridTableViewData read GetViewData;
|
|
property ViewInfo: TcxCustomGridTableViewInfo read GetViewInfo;
|
|
property VisibleItemCount: Integer read GetVisibleItemCount;
|
|
property VisibleItems[Index: Integer]: TcxCustomGridTableItem read GetVisibleItem;
|
|
published
|
|
property DataController: TcxGridDataController read GetDataController write SetDataController;
|
|
property NavigatorButtons: TcxNavigatorControlButtons read FNavigatorButtons write SetNavigatorButtons;
|
|
|
|
property OnCanSelectRecord: TcxGridCanSelectRecordEvent read FOnCanSelectRecord write FOnCanSelectRecord;
|
|
property OnCellClick: TcxGridCellClickEvent read FOnCellClick write FOnCellClick;
|
|
property OnCustomDrawCell: TcxGridTableDataCellCustomDrawEvent read FOnCustomDrawCell write FOnCustomDrawCell;
|
|
property OnEditing: TcxGridEditingEvent read FOnEditing write FOnEditing;
|
|
property OnEditChanged: TcxGridCustomTableItemEvent read FOnEditChanged write FOnEditChanged;
|
|
property OnEditValueChanged: TcxGridCustomTableItemEvent read FOnEditValueChanged write FOnEditValueChanged;
|
|
property OnFocusedItemChanged: TcxGridFocusedItemChangedEvent read FOnFocusedItemChanged
|
|
write FOnFocusedItemChanged;
|
|
property OnFocusedRecordChanged: TcxGridFocusedRecordChangedEvent read FOnFocusedRecordChanged
|
|
write FOnFocusedRecordChanged;
|
|
property OnInitEdit: TcxGridInitEditEvent read FOnInitEdit write FOnInitEdit;
|
|
//property OnRecordCreated: TcxGridRecordEvent read FOnRecordCreated write FOnRecordCreated;
|
|
//property OnRecordDestroying: TcxGridRecordEvent read FOnRecordDestroying write FOnRecordDestroying;
|
|
property OnSelectionChanged: TcxGridCustomTableViewEvent read FOnSelectionChanged write FOnSelectionChanged;
|
|
property OnTopRecordIndexChanged: TNotifyEvent read FOnTopRecordIndexChanged write FOnTopRecordIndexChanged;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
Math, SysUtils,
|
|
{$IFDEF DELPHI6}
|
|
Variants,
|
|
{$ENDIF}
|
|
Forms, Clipbrd, cxTextEdit, cxEditUtils, cxFilterDialog, cxFilterControlDialog,
|
|
cxEditDataRegisteredRepositoryItems, cxLibraryConsts,
|
|
cxGrid, cxGridStrs, cxGridLevel, cxGridDetailsSite;
|
|
|
|
const
|
|
RecordIndexNone = -1;
|
|
EditStartChars = [#8, ^V, ^X, #32..#255];
|
|
IncSearchStartChars = [#8, #32..#255];
|
|
DragScrollTimeInterval = 20;
|
|
DragFocusingScrollTimeInterval = 10;
|
|
// Copy to text format
|
|
EndOfLine = #13#10;
|
|
ColumnSeparator = #9;
|
|
|
|
type
|
|
TcxControlAccess = class(TcxControl);
|
|
TcxCustomGridAccess = class(TcxCustomGrid);
|
|
TcxGridSiteAccess = class(TcxGridSite);
|
|
TcxCustomGridViewAccess = class(TcxCustomGridView);
|
|
TcxGridLevelAccess = class(TcxGridLevel);
|
|
TcxCustomDataControllerAccess = class(TcxCustomDataController);
|
|
TcxFilterCriteriaAccess = class(TcxFilterCriteria);
|
|
TcxCustomEditAccess = class(TcxCustomEdit);
|
|
TcxCustomEditPropertiesAccess = class(TcxCustomEditProperties);
|
|
TcxCustomEditStyleAccess = class(TcxCustomEditStyle);
|
|
|
|
{ TcxGridDataChange }
|
|
|
|
procedure TcxGridDataChange.Execute;
|
|
begin
|
|
with GridView as TcxCustomGridTableView do
|
|
begin
|
|
RecordCountChanged;
|
|
//Controller.MakeFocusedRecordVisible; removed because of group nodes expanding
|
|
end;
|
|
end;
|
|
|
|
function TcxGridDataChange.IsLockable: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
{ TcxGridRecordChange }
|
|
|
|
constructor TcxGridRecordChange.Create(AGridView: TcxCustomGridView;
|
|
ARecord: TcxCustomGridRecord; ARecordIndex: Integer; AItem: TcxCustomGridTableItem = nil);
|
|
begin
|
|
inherited Create(AGridView);
|
|
FRecord := ARecord;
|
|
FRecordIndex := ARecordIndex;
|
|
FItem := AItem;
|
|
end;
|
|
|
|
function TcxGridRecordChange.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxGridRecordChange.GetRecordViewInfo: TcxCustomGridRecordViewInfo;
|
|
begin
|
|
Result := GridView.ViewInfo.RecordsViewInfo.GetRealItem(FRecord, FRecordIndex);
|
|
end;
|
|
|
|
procedure TcxGridRecordChange.Execute;
|
|
begin
|
|
if (RecordViewInfo = nil) or (FItem <> nil) and not IsItemVisible or
|
|
not GridView.Changeable then Exit;
|
|
RecordViewInfo.Recalculate;
|
|
GridView.ViewChanged(RecordViewInfo.GetBoundsForInvalidate(FItem));
|
|
end;
|
|
|
|
function TcxGridRecordChange.IsCompatibleWith(AChange: TcxCustomGridChange): Boolean; {1}
|
|
begin
|
|
Result := inherited IsCompatibleWith(AChange) or
|
|
((AChange is TcxGridLayoutChange) or (AChange is TcxGridSizeChange) or (AChange is TcxGridDataChange)) and
|
|
(TcxCustomGridViewChange(AChange).GridView <> nil) and (TcxCustomGridViewChange(AChange).GridView = GridView);
|
|
end;
|
|
|
|
{function TcxGridRecordChange.IsCumulative: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;}
|
|
|
|
function TcxGridRecordChange.IsEqual(AChange: TcxCustomGridChange): Boolean;
|
|
begin
|
|
Result := inherited IsEqual(AChange) and
|
|
(GridRecord = TcxGridRecordChange(AChange).GridRecord) and
|
|
(RecordIndex = TcxGridRecordChange(AChange).RecordIndex) and
|
|
(Item = TcxGridRecordChange(AChange).Item);
|
|
end;
|
|
|
|
function TcxGridRecordChange.IsItemVisible: Boolean;
|
|
begin
|
|
Result := (GridView.IndexOfItem(FItem) <> -1) and FItem.ActuallyVisible;
|
|
end;
|
|
|
|
{ TcxGridFocusedRecordChange }
|
|
|
|
constructor TcxGridFocusedRecordChange.Create(AGridView: TcxCustomGridView;
|
|
APrevFocusedRecordIndex, AFocusedRecordIndex: Integer; ANewItemRecordFocusingChanged: Boolean);
|
|
begin
|
|
inherited Create(AGridView);
|
|
FPrevFocusedRecordIndex := APrevFocusedRecordIndex;
|
|
FFocusedRecordIndex := AFocusedRecordIndex;
|
|
FNewItemRecordFocusingChanged := ANewItemRecordFocusingChanged;
|
|
end;
|
|
|
|
procedure TcxGridFocusedRecordChange.Execute;
|
|
begin
|
|
with GridView as TcxCustomGridTableView do
|
|
if Changeable then
|
|
begin
|
|
Controller.MakeFocusedRecordVisible;
|
|
if ViewData.IsRecordIndexValid(FPrevFocusedRecordIndex) then
|
|
ViewData.Records[FPrevFocusedRecordIndex].Invalidate;
|
|
if ViewData.IsRecordIndexValid(FFocusedRecordIndex) then
|
|
ViewData.Records[FFocusedRecordIndex].Invalidate;
|
|
if FNewItemRecordFocusingChanged and ViewData.HasNewItemRecord then
|
|
ViewData.NewItemRecord.Invalidate;
|
|
end;
|
|
end;
|
|
|
|
{ TcxGridRecordHitTest }
|
|
|
|
function TcxGridRecordHitTest.GetGridRecord: TcxCustomGridRecord;
|
|
begin
|
|
if FIsNewItemRecord then
|
|
Result := FViewData.NewItemRecord
|
|
else
|
|
if (0 <= FGridRecordIndex) and (FGridRecordIndex < FViewData.RecordCount) then
|
|
Result := FViewData.Records[FGridRecordIndex]
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
procedure TcxGridRecordHitTest.SetGridRecord(Value: TcxCustomGridRecord);
|
|
begin
|
|
if Value <> nil then
|
|
begin
|
|
FViewData := Value.ViewData;
|
|
FGridRecordIndex := Value.Index;
|
|
FIsNewItemRecord := Value.IsNewItemRecord;
|
|
end
|
|
else
|
|
begin
|
|
FViewData := nil;
|
|
FGridRecordIndex := -1;
|
|
FIsNewItemRecord := False;
|
|
end;
|
|
end;
|
|
|
|
class function TcxGridRecordHitTest.GetHitTestCode: Integer;
|
|
begin
|
|
Result := htRecord;
|
|
end;
|
|
|
|
class function TcxGridRecordHitTest.CanClick: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
{ TcxGridRecordCellHitTest }
|
|
|
|
class function TcxGridRecordCellHitTest.GetHitTestCode: Integer;
|
|
begin
|
|
Result := htCell;
|
|
end;
|
|
|
|
{ TcxGridExpandButtonHitTest }
|
|
|
|
class function TcxGridExpandButtonHitTest.GetHitTestCode: Integer;
|
|
begin
|
|
Result := htExpandButton;
|
|
end;
|
|
|
|
class function TcxGridExpandButtonHitTest.CanClick: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
{ TcxGridNavigatorHitTest }
|
|
|
|
class function TcxGridNavigatorHitTest.GetHitTestCode: Integer;
|
|
begin
|
|
Result := htNavigator;
|
|
end;
|
|
|
|
{ TcxGridDefaultValuesProvider }
|
|
|
|
function TcxGridDefaultValuesProvider.IsDisplayFormatDefined(AIsCurrencyValueAccepted: Boolean): Boolean;
|
|
begin
|
|
Result := TcxGridItemDataBinding(Owner).IsDisplayFormatDefined;
|
|
end;
|
|
|
|
{ TcxGridDataController }
|
|
|
|
function TcxGridDataController.GetGridViewValue: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(GetGridView);
|
|
end;
|
|
|
|
procedure TcxGridDataController.GetFakeComponentLinks(AList: TList);
|
|
begin
|
|
end;
|
|
|
|
function TcxGridDataController.GetGridView: TcxCustomGridView;
|
|
begin
|
|
Result := TcxCustomGridView(GetOwner);
|
|
end;
|
|
|
|
procedure TcxGridDataController.CheckGridModeBufferCount;
|
|
begin
|
|
end;
|
|
|
|
function TcxGridDataController.DoScroll(AForward: Boolean): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridDataController.DoScrollPage(AForward: Boolean): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridDataController.GetFilterPropertyValue(const AName: string;
|
|
var AValue: Variant): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridDataController.GetItemDataBindingClass: TcxGridItemDataBindingClass;
|
|
begin
|
|
Result := TcxGridItemDataBinding;
|
|
end;
|
|
|
|
function TcxGridDataController.GetItemDefaultValuesProviderClass: TcxCustomEditDefaultValuesProviderClass;
|
|
begin
|
|
Result := TcxGridDefaultValuesProvider;
|
|
end;
|
|
|
|
function TcxGridDataController.GetNavigatorIsBof: Boolean;
|
|
begin
|
|
Result := GridView.Controller.IsStart;
|
|
end;
|
|
|
|
function TcxGridDataController.GetNavigatorIsEof: Boolean;
|
|
begin
|
|
Result := GridView.Controller.IsFinish;
|
|
end;
|
|
|
|
function TcxGridDataController.GetScrollBarPos: Integer;
|
|
begin
|
|
Result := -1;
|
|
end;
|
|
|
|
function TcxGridDataController.GetScrollBarRecordCount: Integer;
|
|
begin
|
|
Result := -1;
|
|
end;
|
|
|
|
function TcxGridDataController.SetFilterPropertyValue(const AName: string;
|
|
const AValue: Variant): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridDataController.SetScrollBarPos(Value: Integer): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridDataController.CanSelectRow(ARowIndex: Integer): Boolean;
|
|
begin
|
|
Result := GridView.CanSelectRecord(ARowIndex);
|
|
end;
|
|
|
|
procedure TcxGridDataController.DoValueTypeClassChanged(AItemIndex: Integer);
|
|
begin
|
|
inherited;
|
|
GridView.ItemValueTypeClassChanged(AItemIndex);
|
|
end;
|
|
|
|
function TcxGridDataController.GetDefaultActiveRelationIndex: Integer;
|
|
begin
|
|
Result := GridView.GetDefaultActiveDetailIndex;
|
|
end;
|
|
|
|
{function TcxGridDataController.GetIncrementalSearchText(ARecordIndex, AItemIndex: Integer): string;
|
|
begin
|
|
if not GridView.GetDisplayText(ARecordIndex, AItemIndex, Result) then
|
|
Result := inherited GetIncrementalSearchText(ARecordIndex, AItemIndex);
|
|
end;}
|
|
|
|
function TcxGridDataController.GetItemID(AItem: TObject): Integer;
|
|
begin
|
|
if AItem is TcxCustomGridTableItem then
|
|
Result := TcxCustomGridTableItem(AItem).ID
|
|
else
|
|
Result := -1;
|
|
end;
|
|
|
|
function TcxGridDataController.GetSummaryGroupItemLinkClass: TcxDataSummaryGroupItemLinkClass;
|
|
begin
|
|
Result := GridView.GetSummaryGroupItemLinkClass;
|
|
if Result = nil then
|
|
Result := inherited GetSummaryGroupItemLinkClass;
|
|
end;
|
|
|
|
function TcxGridDataController.GetSummaryItemClass: TcxDataSummaryItemClass;
|
|
begin
|
|
Result := GridView.GetSummaryItemClass;
|
|
if Result = nil then
|
|
Result := inherited GetSummaryItemClass;
|
|
end;
|
|
|
|
procedure TcxGridDataController.BeginFullUpdate;
|
|
begin
|
|
GridView.BeginUpdate;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxGridDataController.EndFullUpdate;
|
|
begin
|
|
inherited;
|
|
GridView.EndUpdate;
|
|
end;
|
|
|
|
function TcxGridDataController.CreateDetailLinkObject(ARelation: TcxCustomDataRelation;
|
|
ARecordIndex: Integer): TObject;
|
|
begin
|
|
Result := TcxGridLevelAccess(ARelation.Item).CreateLinkObject(ARelation, ARecordIndex);
|
|
end;
|
|
|
|
procedure TcxGridDataController.FocusControl(AItemIndex: Integer; var Done: Boolean);
|
|
begin
|
|
inherited;
|
|
GridView.FocusEdit(AItemIndex, Done);
|
|
end;
|
|
|
|
function TcxGridDataController.GetDetailDataControllerByLinkObject(ALinkObject: TObject): TcxCustomDataController;
|
|
begin
|
|
Result := TcxCustomGridView(ALinkObject).DataController;
|
|
end;
|
|
|
|
function TcxGridDataController.GetDisplayText(ARecordIndex, AItemIndex: Integer): string;
|
|
begin
|
|
if not GridView.GetDisplayText(ARecordIndex, AItemIndex, Result) then
|
|
Result := inherited GetDisplayText(ARecordIndex, AItemIndex);
|
|
{ with GridView do
|
|
DoGetDisplayText(ViewData.GetRecordByRecordIndex(ARecordIndex), AItemIndex, Result);}
|
|
end;
|
|
|
|
function TcxGridDataController.GetFilterItemFieldCaption(AItem: TObject): string;
|
|
begin
|
|
Result := TcxCustomGridTableItem(AItem).FilterCaption;
|
|
end;
|
|
|
|
function TcxGridDataController.GetItem(Index: Integer): TObject;
|
|
begin
|
|
Result := GridView.Items[Index];
|
|
end;
|
|
|
|
function TcxGridDataController.GetItemSortByDisplayText(AItemIndex: Integer;
|
|
ASortByDisplayText: Boolean): Boolean;
|
|
begin
|
|
Result := GridView.GetItemSortByDisplayText(AItemIndex);
|
|
end;
|
|
|
|
function TcxGridDataController.GetItemValueSource(AItemIndex: Integer): TcxDataEditValueSource;
|
|
begin
|
|
Result := GridView.GetItemValueSource(AItemIndex);
|
|
end;
|
|
|
|
procedure TcxGridDataController.UpdateData;
|
|
begin
|
|
inherited;
|
|
GridView.UpdateRecord;
|
|
end;
|
|
|
|
function TcxGridDataController.AddItemToFilter(AParent: TcxFilterCriteriaItemList;
|
|
AItem: TcxCustomGridTableItem; AOperatorKind: TcxFilterOperatorKind;
|
|
const AValue: Variant; ADisplayText: string; AReplaceExistent: Boolean): TcxFilterCriteriaItem;
|
|
begin
|
|
if ADisplayText = '' then
|
|
if VarIsNull(AValue) then
|
|
ADisplayText := ''
|
|
else
|
|
ADisplayText := AValue;
|
|
AItem.DataBinding.GetFilterDisplayText(AValue, ADisplayText);
|
|
if AReplaceExistent then
|
|
Filter.RemoveItemByItemLink(AItem);
|
|
Result := Filter.AddItem(AParent, AItem, AOperatorKind, AValue, ADisplayText);
|
|
end;
|
|
|
|
{ TcxGridItemDataBinding }
|
|
|
|
constructor TcxGridItemDataBinding.Create(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
inherited Create;
|
|
FItem := AItem;
|
|
FDefaultValuesProvider := GetDefaultValuesProviderClass.Create(Self);
|
|
end;
|
|
|
|
destructor TcxGridItemDataBinding.Destroy;
|
|
begin
|
|
FDefaultValuesProvider.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetDataController: TcxCustomDataController;
|
|
begin
|
|
Result := GridView.DataController;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetFilter: TcxDataFilterCriteria;
|
|
begin
|
|
Result := DataController.Filter;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetFilterCriteriaItem: TcxFilterCriteriaItem;
|
|
begin
|
|
Result := Filter.FindItemByItemLink(FItem);
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetFiltered: Boolean;
|
|
begin
|
|
Result := FilterCriteriaItem <> nil;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FItem.GridView;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetValueTypeClass: TcxValueTypeClass;
|
|
begin
|
|
Result := DataController.GetItemValueTypeClass(FItem.Index);
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.SetFiltered(Value: Boolean);
|
|
begin
|
|
if Filtered <> Value then
|
|
if not Value then
|
|
Filter.RemoveItemByItemLink(FItem);
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.SetValueTypeClass(Value: TcxValueTypeClass);
|
|
begin
|
|
DataController.ChangeValueTypeClass(FItem.Index, Value);
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetDefaultValuesProviderClass: TcxCustomEditDefaultValuesProviderClass;
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIcxGridDataController) then
|
|
Result := AIcxGridDataController.GetItemDefaultValuesProviderClass
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.Init;
|
|
begin
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxGridItemDataBinding then
|
|
with TcxGridItemDataBinding(Source) do
|
|
begin
|
|
Self.Data := Data;
|
|
Self.ValueTypeClass := ValueTypeClass;
|
|
end
|
|
else
|
|
inherited;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.DefaultCaption: string;
|
|
begin
|
|
Result := ''{Item.Name};
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.DefaultRepositoryItem: TcxEditRepositoryItem;
|
|
begin
|
|
Result := GetDefaultEditDataRepositoryItems.GetItem(ValueTypeClass);
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.DefaultWidth(ATakeHeaderIntoAccount: Boolean = True): Integer;
|
|
begin
|
|
Result := 64;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.GetDefaultValuesProvider(AProperties: TcxCustomEditProperties = nil): IcxEditDefaultValuesProvider;
|
|
begin
|
|
Result := FDefaultValuesProvider;
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.IsDisplayFormatDefined: Boolean;
|
|
begin
|
|
Result := DataController.GetItemTextStored(FItem.Index) or Assigned(FItem.OnGetDisplayText);
|
|
end;
|
|
|
|
function TcxGridItemDataBinding.AddToFilter(AParent: TcxFilterCriteriaItemList;
|
|
AOperatorKind: TcxFilterOperatorKind; const AValue: Variant; const ADisplayText: string;
|
|
AReplaceExistent: Boolean): TcxFilterCriteriaItem;
|
|
begin
|
|
Result := GridView.DataController.AddItemToFilter(AParent, FItem,
|
|
AOperatorKind, AValue, ADisplayText, AReplaceExistent);
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.GetFilterDisplayText(const AValue: Variant;
|
|
var ADisplayText: string);
|
|
begin
|
|
FItem.GetFilterDisplayText(AValue, ADisplayText);
|
|
end;
|
|
|
|
procedure TcxGridItemDataBinding.GetFilterStrings(AStrings: TStrings;
|
|
AValueList: TcxDataFilterValueList);
|
|
var
|
|
I: Integer;
|
|
S: string;
|
|
begin
|
|
AValueList.Load(FItem.Index);
|
|
FItem.DoGetFilterValues(AValueList);
|
|
AStrings.BeginUpdate;
|
|
try
|
|
AStrings.Clear;
|
|
for I := 0 to AValueList.Count - 1 do
|
|
begin
|
|
S := AValueList[I]^.DisplayText;
|
|
GetFilterDisplayText(AValueList[I]^.Value, S);
|
|
AStrings.AddObject(S, TObject(AValueList[I]));
|
|
end;
|
|
finally
|
|
AStrings.EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
{ TcxCustomGridTableDragAndDropObject }
|
|
|
|
function TcxCustomGridTableDragAndDropObject.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := TcxCustomGridTableController(inherited Controller);
|
|
end;
|
|
|
|
function TcxCustomGridTableDragAndDropObject.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxCustomGridTableDragAndDropObject.GetViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
{ TcxGridEditingController }
|
|
|
|
constructor TcxGridEditingController.Create(AController: TcxCustomGridTableController);
|
|
begin
|
|
inherited Create;
|
|
FController := AController;
|
|
FEditList := TcxInplaceEditList.Create(Controller.GridView);
|
|
end;
|
|
|
|
destructor TcxGridEditingController.Destroy;
|
|
begin
|
|
StopEditShowingTimer;
|
|
FEditList.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxGridEditingController.GetEditingProperties: TcxCustomEditProperties;
|
|
begin
|
|
if FEditingItem = nil then
|
|
Result := nil
|
|
else
|
|
Result := FEditingItem.GetProperties(Controller.FocusedRecord);
|
|
end;
|
|
|
|
function TcxGridEditingController.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FController.GridView;
|
|
end;
|
|
|
|
function TcxGridEditingController.GetIsEditing: Boolean;
|
|
begin
|
|
Result := FEditingItem <> nil;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.SetEditingItem(Value: TcxCustomGridTableItem);
|
|
begin
|
|
if FEditingItem <> Value then
|
|
begin
|
|
if FEditingItemSetting then Exit;
|
|
FEditingItemSetting := True;
|
|
try
|
|
if Value <> nil then
|
|
begin
|
|
if not Value.CanEdit or not GridView.DoEditing(Value) then Exit;
|
|
Value.Focused := True;
|
|
end;
|
|
HideEdit(False);
|
|
FEditingItem := Value;
|
|
if IsEditing then
|
|
try
|
|
ShowEdit(Value);
|
|
if not FEditPreparing and (FEdit = nil) then
|
|
FEditingItem := nil;
|
|
except
|
|
FEditingItem := nil;
|
|
raise;
|
|
end;
|
|
finally
|
|
FEditingItemSetting := False;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditShowingTimerHandler(Sender: TObject);
|
|
begin
|
|
StopEditShowingTimer;
|
|
FEditShowingTimerItem.Editing := True;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.AfterViewInfoCalculate;
|
|
begin
|
|
if IsEditing and (not FIsEditPlaced or FEditingItem.EditPartVisible) then
|
|
begin
|
|
CancelEditUpdatePost;
|
|
if not FEditPreparing then
|
|
FEdit.Left := cxGridInvisibleCoordinate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.BeforeViewInfoCalculate;
|
|
begin
|
|
FIsEditPlaced := False;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.CancelEditUpdatePost;
|
|
begin
|
|
FEditUpdateNeeded := False;
|
|
end;
|
|
|
|
function TcxGridEditingController.CanRemoveEditFocus: Boolean;
|
|
begin
|
|
Result := not (IsEditing and FEdit.IsFocused and not FEditHiding);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.CheckEditUpdatePost;
|
|
begin
|
|
if FEditUpdateNeeded then DoUpdateEdit;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.DoUpdateEdit;
|
|
begin
|
|
CancelEditUpdatePost;
|
|
if (FEditingItem <> nil) and (FEditingItem.FocusedCellViewInfo <> nil) and
|
|
not FEditingItem.EditPartVisible then
|
|
with FEditingItem.FocusedCellViewInfo do
|
|
begin
|
|
if IsRectEmpty(Bounds) then Exit;
|
|
FEdit.BoundsRect := EditBounds;
|
|
InitStyle;
|
|
FEdit.Style := Style;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridEditingController.GetHideEditOnExit: Boolean;
|
|
begin
|
|
Result := True{
|
|
not GridView.OptionsBehavior.AlwaysShowEditor or
|
|
GridView.Control.IsFocused};
|
|
end;
|
|
|
|
function TcxGridEditingController.GetHideEditOnFocusedRecordChange: Boolean;
|
|
begin
|
|
Result := not GridView.OptionsBehavior.AlwaysShowEditor or
|
|
(FEditingItem <> nil) and
|
|
(Assigned(FEditingItem.OnGetProperties) or FEditingItem.ShowButtons(False) or
|
|
(esoAlwaysHotTrack in FEditingItem.GetProperties.GetSupportedOperations)) or
|
|
Assigned(GridView.OnEditing) or Assigned(GridView.OnInitEdit);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.InitEdit;
|
|
begin
|
|
with TcxCustomEditPropertiesAccess(TcxCustomEditAccess(FEdit).Properties) do
|
|
begin
|
|
FPrevEditOnChange := OnChange;
|
|
FPrevEditOnEditValueChanged := OnEditValueChanged;
|
|
OnChange := nil;
|
|
OnEditValueChanged := nil;
|
|
end;
|
|
FEdit.Parent := FController.Site;
|
|
UpdateEdit;
|
|
UpdateEditValue;
|
|
with TcxCustomEditAccess(FEdit) do
|
|
begin
|
|
OnAfterKeyDown := EditAfterKeyDown;
|
|
OnEditing := EditEditing;
|
|
OnPostEditValue := EditPostEditValue;
|
|
TcxCustomEditPropertiesAccess(Properties).OnChange := EditChanged;
|
|
TcxCustomEditPropertiesAccess(Properties).OnEditValueChanged := EditValueChanged;
|
|
OnExit := EditExit;
|
|
OnFocusChanged := EditFocusChanged;
|
|
OnKeyDown := EditKeyDown;
|
|
end;
|
|
GridView.DoInitEdit(FEditingItem, FEdit);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.PostEditUpdate;
|
|
begin
|
|
FEditUpdateNeeded := True;
|
|
end;
|
|
|
|
function TcxGridEditingController.PrepareEdit(AItem: TcxCustomGridTableItem;
|
|
AOnMouseEvent: Boolean): Boolean;
|
|
begin
|
|
Result := False;
|
|
try
|
|
FController.CancelCheckEditPost;
|
|
if FEditPreparing or FEditHiding or (AItem = nil) then Exit;
|
|
if AItem.Editing and not FEditingItemSetting then
|
|
begin
|
|
Result := (FEdit <> nil) and
|
|
(FController.Site.Focused and not FEdit.IsFocused or AOnMouseEvent);
|
|
Exit;
|
|
end;
|
|
FEditPreparing := True;
|
|
try
|
|
Result := FController.Site.Focused;
|
|
if not Result then Exit;
|
|
AItem.Editing := True;
|
|
Result := AItem.Editing;
|
|
if not Result then Exit;
|
|
try
|
|
FEdit := FEditList.GetEdit(EditingProperties);
|
|
except
|
|
AItem.Editing := False;
|
|
Result := False;
|
|
raise;
|
|
end;
|
|
FEditingItem.FocusedCellViewInfo.Invalidate(True);
|
|
InitEdit;
|
|
finally
|
|
FEditPreparing := False;
|
|
end;
|
|
finally
|
|
if Result then GridView.TabStop := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.UpdateEditValue;
|
|
begin
|
|
if IsEditing and not FEditHiding and not FInitiatingEditing and
|
|
not FEdit.IsPosting then
|
|
begin
|
|
FEdit.EditValue := EditingItem.EditValue;
|
|
FEdit.SelectAll;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.UpdateValue;
|
|
begin
|
|
if IsEditing and TcxCustomEditAccess(FEdit).EditModified then
|
|
begin
|
|
FEdit.ValidateEdit(True);
|
|
FEditingItem.EditValue := FEdit.EditValue;
|
|
if FEdit <> nil then
|
|
FEdit.ModifiedAfterEnter := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditAfterKeyDown(Sender: TObject; var Key: Word;
|
|
Shift: TShiftState);
|
|
begin
|
|
if FController.IsKeyForController(Key, Shift) then
|
|
FController.DoKeyDown(Key, Shift);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditChanged(Sender: TObject);
|
|
begin
|
|
if Assigned(FPrevEditOnChange) then FPrevEditOnChange(Sender);
|
|
GridView.DoEditChanged(FEditingItem);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditEditing(Sender: TObject; var CanEdit: Boolean);
|
|
begin
|
|
FInitiatingEditing := True;
|
|
try
|
|
CanEdit := EditingItem.CanInitEditing;
|
|
finally
|
|
FInitiatingEditing := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditExit(Sender: TObject);
|
|
begin
|
|
if HideEditOnExit then
|
|
try
|
|
HideEdit(not FController.CancelEditingOnExit);
|
|
except
|
|
if IsEditing then
|
|
begin
|
|
FEdit.SetFocus;
|
|
FIsErrorOnEditExit := True;
|
|
end;
|
|
raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditFocusChanged(Sender: TObject);
|
|
begin
|
|
TcxGridSiteAccess(FController.Site).FocusChanged;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditKeyDown(Sender: TObject; var Key: Word;
|
|
Shift: TShiftState);
|
|
var
|
|
AModified: Boolean;
|
|
begin
|
|
FController.MakeFocusedItemVisible;
|
|
case Key of
|
|
VK_RETURN:
|
|
begin
|
|
HideEdit(True);
|
|
if GridView.OptionsBehavior.GoToNextCellOnEnter then
|
|
begin
|
|
FController.BlockRecordKeyboardHandling := True;
|
|
try
|
|
FController.DoKeyDown(Key, Shift);
|
|
finally
|
|
FController.BlockRecordKeyboardHandling := False;
|
|
end;
|
|
ShowEdit;
|
|
end
|
|
else
|
|
Controller.CheckEdit;
|
|
Key := 0;
|
|
end;
|
|
VK_ESCAPE:
|
|
begin
|
|
AModified := TcxCustomEditAccess(FEdit).EditModified;
|
|
HideEdit(False);
|
|
Controller.CheckEdit;
|
|
if AModified then Key := 0;
|
|
end;
|
|
VK_DELETE:
|
|
if Shift = [ssCtrl] then
|
|
Controller.DoKeyDown(Key, Shift);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditPostEditValue(Sender: TObject);
|
|
begin
|
|
UpdateValue;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.EditValueChanged(Sender: TObject);
|
|
begin
|
|
if Assigned(FPrevEditOnEditValueChanged) then FPrevEditOnEditValueChanged(Sender);
|
|
GridView.DoEditValueChanged(FEditingItem);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.HideEdit(Accept: Boolean);
|
|
begin
|
|
FController.CancelCheckEditPost;
|
|
CancelEditUpdatePost;
|
|
StopEditShowingTimer;
|
|
if FEditHiding or not IsEditing then Exit;
|
|
FEditHiding := True;
|
|
try
|
|
if Accept then
|
|
begin
|
|
if not FEdit.Deactivate then raise EAbort.Create('');
|
|
GridView.DataController.PostEditingData;
|
|
TcxCustomEditAccess(FEdit).Properties.Update(FEditingItem.GetProperties(Controller.FocusedRecord));
|
|
end;
|
|
EditingItem := nil;
|
|
if GridView.Focused then GridView.TabStop := True;
|
|
if FEdit <> nil then
|
|
begin
|
|
if FEdit.Focused and GridView.Focused then
|
|
begin
|
|
FEdit.EditModified := False;
|
|
FEdit.OnFocusChanged := nil;
|
|
FController.AllowCheckEdit := False;
|
|
try
|
|
FController.SetFocus;
|
|
finally
|
|
FController.AllowCheckEdit := True;
|
|
end;
|
|
end
|
|
else
|
|
Controller.InvalidateFocusedRecord;
|
|
FEdit.Parent := nil;
|
|
FEdit := nil;
|
|
end;
|
|
FIsErrorOnEditExit := False;
|
|
finally
|
|
FEditHiding := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.RemoveEdit(AProperties: TcxCustomEditProperties);
|
|
begin
|
|
if EditingProperties = AProperties then
|
|
EditingItem := nil;
|
|
FEditList.RemoveItem(AProperties);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.ShowEdit(AItem: TcxCustomGridTableItem = nil);
|
|
begin
|
|
if AItem = nil then AItem := FController.FocusedItem;
|
|
if PrepareEdit(AItem, False) then FEdit.Activate(AItem.FEditData);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.ShowEdit(AItem: TcxCustomGridTableItem; Key: Char);
|
|
begin
|
|
if PrepareEdit(AItem, False) then FEdit.ActivateByKey(Key, AItem.FEditData);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.ShowEdit(AItem: TcxCustomGridTableItem;
|
|
Shift: TShiftState; X, Y: Integer);
|
|
begin
|
|
if PrepareEdit(AItem, True) then FEdit.ActivateByMouse(Shift, X, Y, AItem.FEditData);
|
|
end;
|
|
|
|
procedure TcxGridEditingController.UpdateEdit;
|
|
var
|
|
ACellViewInfo: TcxGridTableDataCellViewInfo;
|
|
begin
|
|
if FEdit = nil then Exit;
|
|
ACellViewInfo := FEditingItem.FocusedCellViewInfo;
|
|
if ACellViewInfo = nil then Exit;
|
|
with ACellViewInfo do
|
|
begin
|
|
if IsRectEmpty(Bounds) then Exit;
|
|
if not FInitiatingEditing then
|
|
if FEditPreparing then
|
|
DoUpdateEdit
|
|
else
|
|
PostEditUpdate;
|
|
end;
|
|
FIsEditPlaced := True;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.StartEditShowingTimer(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
StopEditShowingTimer;
|
|
FEditShowingTimerItem := AItem;
|
|
FEditShowingTimer := TTimer.Create(nil);
|
|
with FEditShowingTimer do
|
|
begin
|
|
Interval := GetDblClickInterval;
|
|
OnTimer := EditShowingTimerHandler;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditingController.StopEditShowingTimer;
|
|
begin
|
|
FreeAndNil(FEditShowingTimer);
|
|
end;
|
|
|
|
(*{ TcxCustomGridDragOpenInfo }
|
|
|
|
function TcxCustomGridDragOpenInfo.Equals(AInfo: TcxCustomGridDragOpenInfo): Boolean;
|
|
begin
|
|
Result := ClassType = AInfo.ClassType;
|
|
end;
|
|
*)
|
|
{ TcxGridDragOpenInfoExpand }
|
|
|
|
constructor TcxGridDragOpenInfoExpand.Create(AGridRecord: TcxCustomGridRecord);
|
|
begin
|
|
inherited Create;
|
|
GridRecord := AGridRecord;
|
|
end;
|
|
|
|
function TcxGridDragOpenInfoExpand.Equals(AInfo: TcxCustomGridDragOpenInfo): Boolean;
|
|
begin
|
|
Result := inherited Equals(AInfo) and
|
|
(GridRecord = TcxGridDragOpenInfoExpand(AInfo).GridRecord);
|
|
end;
|
|
|
|
procedure TcxGridDragOpenInfoExpand.Run;
|
|
begin
|
|
GridRecord.Expand(False);
|
|
end;
|
|
|
|
{ TcxCustomGridTableController }
|
|
|
|
constructor TcxCustomGridTableController.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FAllowCheckEdit := True;
|
|
FEditingController := GetEditingControllerClass.Create(Self);
|
|
FFocusOnRecordFocusing := True;
|
|
end;
|
|
|
|
destructor TcxCustomGridTableController.Destroy;
|
|
begin
|
|
CancelGridModeBufferCountUpdate;
|
|
FreeAndNil(FEditingController);
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetEditingItem: TcxCustomGridTableItem;
|
|
begin
|
|
Result := FEditingController.EditingItem;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetFocusedItemIndex: Integer;
|
|
begin
|
|
if FFocusedItem = nil then
|
|
Result := -1
|
|
else
|
|
Result := FFocusedItem.VisibleIndex;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetFocusedRecordIndex: Integer;
|
|
begin
|
|
Result := DataController.GetFocusedRowIndex;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetIncSearchingItem: TcxCustomGridTableItem;
|
|
begin
|
|
if IsIncSearching then
|
|
Result := GridView.Items[DataController.Search.ItemIndex]
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetIncSearchingText: string;
|
|
begin
|
|
Result := DataController.Search.SearchText;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetIsEditing: Boolean;
|
|
begin
|
|
Result := FEditingController.IsEditing;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetIsIncSearching: Boolean;
|
|
begin
|
|
Result := DataController.Search.Searching;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetMasterController: TcxCustomGridTableController;
|
|
begin
|
|
if GridView.IsDetail then
|
|
Result := GridView.MasterGridView.Controller as TcxCustomGridTableController
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetMultiSelect: Boolean;
|
|
begin
|
|
Result := GridView.OptionsSelection.MultiSelect;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetSelectedRecord(Index: Integer): TcxCustomGridRecord;
|
|
begin
|
|
Index := DataController.GetSelectedRowIndex(Index);
|
|
if Index = -1 then
|
|
Result := nil
|
|
else
|
|
Result := ViewData.Records[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetSelectedRecordCount: Integer;
|
|
begin
|
|
Result := DataController.GetSelectedCount;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := TcxCustomGridTableViewData(inherited ViewData);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetDragHighlightedRecord(Value: TcxCustomGridRecord);
|
|
var
|
|
APrevDragHighlightedRecord: TcxCustomGridRecord;
|
|
begin
|
|
if FDragHighlightedRecord <> Value then
|
|
begin
|
|
APrevDragHighlightedRecord := FDragHighlightedRecord;
|
|
FDragHighlightedRecord := Value;
|
|
if APrevDragHighlightedRecord <> nil then
|
|
APrevDragHighlightedRecord.Invalidate;
|
|
if FDragHighlightedRecord <> nil then
|
|
FDragHighlightedRecord.Invalidate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetEditingItem(Value: TcxCustomGridTableItem);
|
|
begin
|
|
FEditingController.EditingItem := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetFocusedItem(Value: TcxCustomGridTableItem);
|
|
var
|
|
APrevFocusedItem: TcxCustomGridTableItem;
|
|
begin
|
|
if (Value <> nil) and not Value.CanFocus then Exit;
|
|
if FFocusedItem <> Value then
|
|
begin
|
|
APrevFocusedItem := FFocusedItem;
|
|
if (FFocusedItem <> nil) and not FEditingController.FEditingItemSetting then
|
|
FEditingController.HideEdit(True);
|
|
FFocusedItem := Value;
|
|
FocusedItemChanged(APrevFocusedItem);
|
|
CheckEdit;
|
|
end
|
|
else
|
|
MakeFocusedItemVisible;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetFocusedItemIndex(Value: Integer);
|
|
begin
|
|
if (Value < -1) or (Value >= GridView.VisibleItemCount) then Exit;
|
|
if Value = -1 then
|
|
FocusedItem := nil
|
|
else
|
|
FocusedItem := GridView.VisibleItems[Value];
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetFocusedRecordIndex(Value: Integer);
|
|
var
|
|
AIndexesAreEqual: Boolean;
|
|
begin
|
|
if (0 <= Value) and (Value < ViewData.RecordCount) and
|
|
not ViewData.Records[Value].CanFocus then Exit;
|
|
AIndexesAreEqual := FocusedRecordIndex = Value;
|
|
if not DataController.ChangeFocusedRowIndex(Value) then Exit;
|
|
if FFocusOnRecordFocusing then
|
|
begin
|
|
if AIndexesAreEqual then MakeFocusedRecordVisible;
|
|
if FocusedRecord <> nil then GridView.Focused := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetIncSearchingText(const Value: string);
|
|
|
|
function GetItemIndex: Integer;
|
|
begin
|
|
if IsIncSearching then
|
|
Result := IncSearchingItem.Index
|
|
else
|
|
if ItemForIncSearching = nil then
|
|
Result := -1
|
|
else
|
|
Result := ItemForIncSearching.Index;
|
|
end;
|
|
|
|
begin
|
|
if (IncSearchingText <> Value) and (GetItemIndex <> -1) then
|
|
if Value = '' then
|
|
CancelIncSearching
|
|
else
|
|
DataController.Search.Locate(GetItemIndex, Value)
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetInternalTopRecordIndex(Value: Integer);
|
|
var
|
|
ARecordCountDelta: Integer;
|
|
|
|
//ft,lt: integer;
|
|
|
|
begin
|
|
if FTopRecordIndex <> Value then
|
|
begin
|
|
|
|
//ft:=gettickcount;
|
|
|
|
ARecordCountDelta := Value - FTopRecordIndex; {2}
|
|
FTopRecordIndex := Value;
|
|
ViewInfo.AllowCheckCoordinates := False;
|
|
try
|
|
if Value <> -1 then
|
|
if GridView.CanOffset(ARecordCountDelta) then
|
|
GridView.Offset(ARecordCountDelta, 0, 0) {2}
|
|
else
|
|
if GridView.IsMaster then
|
|
GridView.SizeChanged(not GridView.IsDetail)
|
|
{begin
|
|
GridView.SizeChanged(True);
|
|
if GridView.IsDetail and (GridView.MasterGridRecord <> nil) and
|
|
(GridView.MasterGridRecord.ViewInfo <> nil) then
|
|
GridView.MasterGridRecord.ViewInfo.Recalculate;
|
|
end}
|
|
else
|
|
GridView.LayoutChanged;
|
|
finally
|
|
ViewInfo.AllowCheckCoordinates := True;
|
|
end;
|
|
GridView.DoTopRecordIndexChanged;
|
|
|
|
{site.Update;
|
|
lt:=gettickcount;
|
|
application.MainForm.Caption := inttostr(lt-ft);}
|
|
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetTopRecordIndex(Value: Integer);
|
|
begin
|
|
CheckTopRecordIndex(Value);
|
|
InternalTopRecordIndex := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DragFocusingScrollTimerHandler(Sender: TObject);
|
|
begin
|
|
FocusNextRecord(FocusedRecordIndex, FIsDragFocusingScrollForward, False, False);
|
|
Site.Update;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DragScrollTimerHandler(Sender: TObject);
|
|
begin
|
|
Site.ScrollContent(FDragScrollDirection);
|
|
Site.Update;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.GridModeBufferCountUpdateTimerHandler(Sender: TObject);
|
|
begin
|
|
CheckGridModeBufferCountUpdatePost;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoEnter;
|
|
begin
|
|
inherited;
|
|
CheckEdit;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoExit;
|
|
begin
|
|
if CancelEditingOnExit then
|
|
DataController.Cancel
|
|
else
|
|
DataController.PostEditingData;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.AfterPaint;
|
|
begin
|
|
inherited;
|
|
ProcessCheckEditPost;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.BeforePaint;
|
|
begin
|
|
inherited;
|
|
FEditingController.CheckEditUpdatePost;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DetailFocused(ADetail: TcxCustomGridView);
|
|
var
|
|
APrevFocusOnRecordFocusing: Boolean;
|
|
begin
|
|
APrevFocusOnRecordFocusing := FFocusOnRecordFocusing;
|
|
FFocusOnRecordFocusing := False;
|
|
try
|
|
inherited;
|
|
FocusedRecordIndex := ADetail.MasterGridRecordIndex;
|
|
finally
|
|
FFocusOnRecordFocusing := APrevFocusOnRecordFocusing;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.MayFocus: Boolean;
|
|
begin
|
|
Result := inherited MayFocus and
|
|
((Site <> nil) and not Site.IsFocused or not IsEditing or
|
|
not GridView.OptionsBehavior.AlwaysShowEditor and FEditingController.Edit.ValidateEdit(True));
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.RemoveFocus;
|
|
begin
|
|
inherited;
|
|
CheckFocusedRecordSelectionWhenExit(FocusedRecord);
|
|
InvalidateFocusedRecord;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetFocus;
|
|
begin
|
|
if not FEditingController.CanRemoveEditFocus then Exit;
|
|
inherited;
|
|
InvalidateFocusedRecord;
|
|
PostCheckEdit;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.AfterOffset;
|
|
begin
|
|
Site.PostMouseMove;
|
|
FEditingController.UpdateEdit;
|
|
FEditingController.AfterViewInfoCalculate;
|
|
UpdateScrollBars;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.BeforeKillFocus;
|
|
begin
|
|
FEditingController.HideEdit(not GridView.IsDestroying);
|
|
if not GridView.IsDestroying and DataController.IsEditing then
|
|
DataController.Post;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.BeforeOffset;
|
|
begin
|
|
FEditingController.BeforeViewInfoCalculate;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanAppend(ACheckOptions: Boolean): Boolean;
|
|
begin
|
|
Result := (dceoAppend in DataController.EditOperations) and
|
|
not (dceInsert in DataController.EditState) and
|
|
(not ACheckOptions or GridView.OptionsData.Appending);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CancelCheckEditPost;
|
|
begin
|
|
FCheckEditNeeded := False;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanDelete(ACheckOptions: Boolean): Boolean;
|
|
begin
|
|
Result := (dceoDelete in DataController.EditOperations) and
|
|
(not ACheckOptions or GridView.OptionsData.Deleting);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanEdit: Boolean;
|
|
begin
|
|
Result := (FocusedItem <> nil) and GridView.OptionsData.Editing and
|
|
([dceoEdit, dceoShowEdit] * DataController.EditOperations = [dceoEdit, dceoShowEdit]);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanHScrollBarHide: Boolean;
|
|
begin
|
|
Result := not ViewInfo.NavigatorSiteViewInfo.Visible;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanInsert(ACheckOptions: Boolean): Boolean;
|
|
begin
|
|
Result := (dceoInsert in DataController.EditOperations) and
|
|
(not ACheckOptions or GridView.OptionsData.Inserting);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CheckEdit;
|
|
begin
|
|
CancelCheckEditPost;
|
|
if FAllowCheckEdit and GridView.OptionsBehavior.AlwaysShowEditor then
|
|
if FEditingController.IsEditing and
|
|
(FEditingController.EditingItem.FocusedCellViewInfo = nil) then
|
|
FEditingController.HideEdit(False)
|
|
else
|
|
FEditingController.ShowEdit;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CheckCoordinates;
|
|
begin
|
|
TopRecordIndex := TopRecordIndex;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CheckTopRecordIndex(var Value: Integer);
|
|
var
|
|
AIsGridMode: Boolean;
|
|
AMaxValue: Integer;
|
|
begin
|
|
if FCheckingCoordinate then Exit;
|
|
FCheckingCoordinate := True;
|
|
try
|
|
AIsGridMode := DataController.IsGridMode;
|
|
if Value < 0 then
|
|
begin
|
|
if AIsGridMode and not DataController.IsBOF and
|
|
not (dceInsert in DataController.EditState) then
|
|
DataController.Scroll(Value);
|
|
Value := 0;
|
|
end;
|
|
if Value > ViewData.RecordCount - 1 then
|
|
begin
|
|
if AIsGridMode and not DataController.IsEOF then
|
|
DataController.Scroll(Value - (ViewData.RecordCount - 1));
|
|
Value := ViewData.RecordCount - 1;
|
|
end;
|
|
if (Value <= 0) or not AIsGridMode and (Value = TopRecordIndex) and
|
|
(ViewInfo.VisibleRecordCount < ViewData.RecordCount - Value) then Exit;
|
|
AMaxValue := GetMaxTopRecordIndexValue;
|
|
if Value > AMaxValue then
|
|
begin
|
|
if AIsGridMode and not FIsCheckingCoordinates and
|
|
not DataController.IsEOF and not (dceInsert in DataController.EditState) then
|
|
begin
|
|
DataController.Scroll(Value - AMaxValue);
|
|
AMaxValue := GetMaxTopRecordIndexValue;
|
|
end;
|
|
Value := AMaxValue;
|
|
end;
|
|
finally
|
|
FCheckingCoordinate := False;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FindNextCustomItem(AFocusedItemIndex, AItemCount: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; ACanFocus: TcxCustomGridTableCanItemFocus;
|
|
AData: Pointer; var AItemIndex: Integer; out ACycleChanged: Boolean): Boolean;
|
|
var
|
|
AFromIndex: Integer;
|
|
|
|
function GetFromIndex: Integer;
|
|
begin
|
|
if AFocusedItemIndex = -1 then
|
|
if AGoForward then
|
|
Result := 0
|
|
else
|
|
if AGoOnCycle then
|
|
Result := AItemCount - 1
|
|
else
|
|
Result := -1
|
|
else
|
|
if AGoForward then
|
|
Result := AFocusedItemIndex + 1
|
|
else
|
|
Result := AFocusedItemIndex - 1;
|
|
end;
|
|
|
|
function CheckIndex(var AIndex: Integer): Boolean;
|
|
begin
|
|
Result := True;
|
|
if AGoForward then
|
|
if AIndex > AItemCount - 1 then
|
|
if AGoOnCycle then
|
|
begin
|
|
AIndex := 0;
|
|
ACycleChanged := True;
|
|
end
|
|
else
|
|
Result := False
|
|
else
|
|
else
|
|
if AIndex < 0 then
|
|
if AGoOnCycle then
|
|
begin
|
|
AIndex := AItemCount - 1;
|
|
ACycleChanged := True;
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
procedure GetNextIndex(var AIndex: Integer);
|
|
begin
|
|
if AGoForward then
|
|
Inc(AIndex)
|
|
else
|
|
Dec(AIndex);
|
|
end;
|
|
|
|
begin
|
|
Result := False;
|
|
ACycleChanged := False;
|
|
if AItemCount = 0 then Exit;
|
|
AFromIndex := GetFromIndex;
|
|
AItemIndex := AFromIndex;
|
|
repeat
|
|
if not CheckIndex(AItemIndex) then Exit;
|
|
if (AItemIndex = AFocusedItemIndex) and not ACycleChanged then Exit;
|
|
Result := ACanFocus(GridView, AItemIndex, AData);
|
|
if Result or (AItemIndex = AFocusedItemIndex) and ACycleChanged then Exit;
|
|
GetNextIndex(AItemIndex);
|
|
until (AItemIndex = AFromIndex) or (AItemIndex = -1) and (AFocusedItemIndex = -1);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.FocusedItemChanged(APrevFocusedItem: TcxCustomGridTableItem);
|
|
begin
|
|
if GridView.IsLoading or GridView.IsDestroying then Exit;
|
|
CancelIncSearching;
|
|
MakeFocusedItemVisible;
|
|
if FocusedRecord <> nil then
|
|
begin
|
|
FocusedRecord.Invalidate(APrevFocusedItem);
|
|
FocusedRecord.Invalidate(FocusedItem);
|
|
end;
|
|
if (APrevFocusedItem = nil) or (FocusedItem = nil) then
|
|
GridView.RefreshNavigators;
|
|
GridView.FocusedItemChanged(APrevFocusedItem, FFocusedItem);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetCancelEditingOnExit: Boolean;
|
|
begin
|
|
Result :=
|
|
GridView.OptionsData.CancelOnExit and
|
|
(DataController.EditState * [dceInsert, dceChanging, dceModified] = [dceInsert]);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetFocusedRecord: TcxCustomGridRecord;
|
|
begin
|
|
if (0 <= FocusedRecordIndex) and (FocusedRecordIndex < ViewData.RecordCount) then
|
|
Result := ViewData.Records[FocusedRecordIndex]
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetMaxTopRecordIndexValue: Integer;
|
|
begin
|
|
Result := ViewData.RecordCount -
|
|
GetVisibleRecordCount(ViewData.RecordCount - 1, False);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetScrollBarOffsetBegin: Integer;
|
|
begin
|
|
if DataController.IsGridMode then
|
|
Result := Ord(not DataController.IsBOF)
|
|
else
|
|
Result := 0;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetScrollBarOffsetEnd: Integer;
|
|
begin
|
|
if DataController.IsGridMode then
|
|
Result := Ord(not DataController.IsEOF)
|
|
else
|
|
Result := 0;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetScrollBarPos: Integer;
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIcxGridDataController) then
|
|
Result := AIcxGridDataController.GetScrollBarPos
|
|
else
|
|
Result := -1;
|
|
if Result = -1 then
|
|
Result := ScrollBarOffsetBegin + TopRecordIndex;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetScrollBarRecordCount: Integer;
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIcxGridDataController) then
|
|
Result := AIcxGridDataController.GetScrollBarRecordCount
|
|
else
|
|
Result := -1;
|
|
if Result = -1 then
|
|
Result := ViewData.RecordCount + ScrollBarOffsetBegin + ScrollBarOffsetEnd;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetVisibleRecordCount(AFirstRecordIndex: Integer;
|
|
ACalculateDown: Boolean = True): Integer;
|
|
var
|
|
AVisibleEqualHeightRecordCount: Integer;
|
|
AViewInfo: TcxCustomGridTableViewInfo;
|
|
|
|
function CanCalculateVisibleEqualHeightRecordCount: Boolean;
|
|
begin
|
|
AVisibleEqualHeightRecordCount := ViewInfo.CalculateVisibleEqualHeightRecordCount;
|
|
Result := AVisibleEqualHeightRecordCount <> -1;
|
|
end;
|
|
|
|
begin
|
|
if IsRectEmpty(ViewInfo.Bounds) then
|
|
Result := 0
|
|
else
|
|
if GridView.IsEqualHeightRecords and CanCalculateVisibleEqualHeightRecordCount then
|
|
begin {3} // -2-4 ms
|
|
Result := AVisibleEqualHeightRecordCount;
|
|
if ACalculateDown then
|
|
if AFirstRecordIndex + Result > ViewData.RecordCount then
|
|
Result := ViewData.RecordCount - AFirstRecordIndex
|
|
else
|
|
else
|
|
if AFirstRecordIndex - Result + 1 < 0 then
|
|
Result := AFirstRecordIndex + 1;
|
|
end
|
|
else
|
|
begin
|
|
AViewInfo :=
|
|
TcxCustomGridTableViewInfo(GridView.GetViewInfoClass.Create(GridView));
|
|
try
|
|
AViewInfo.CalculateDown := ACalculateDown;
|
|
AViewInfo.FirstRecordIndex := AFirstRecordIndex;
|
|
AViewInfo.MainCalculate(ViewInfo.Bounds);
|
|
Result := AViewInfo.VisibleRecordCount;
|
|
finally
|
|
AViewInfo.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.PostCheckEdit;
|
|
begin
|
|
if FAllowCheckEdit then FCheckEditNeeded := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ProcessCheckEditPost;
|
|
begin
|
|
if FCheckEditNeeded then CheckEdit;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetFocusedRecord(Value: TcxCustomGridRecord);
|
|
begin
|
|
if Value = nil then
|
|
FocusedRecordIndex := -1
|
|
else
|
|
FocusedRecordIndex := Value.Index;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetScrollBarPos(Value: Integer);
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if not DataController.GetInterface(IcxGridDataController, AIcxGridDataController) or
|
|
not AIcxGridDataController.SetScrollBarPos(Value) then
|
|
if DataController.IsGridMode then
|
|
TopRecordIndex := Value - ScrollBarOffsetBegin
|
|
else
|
|
InternalTopRecordIndex := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CancelGridModeBufferCountUpdate;
|
|
begin
|
|
FGridModeBufferCountUpdateNeeded := False;
|
|
FreeAndNil(FGridModeBufferCountUpdateTimer);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CheckGridModeBufferCountUpdatePost;
|
|
begin
|
|
if FGridModeBufferCountUpdateNeeded and ViewInfo.Calculated then
|
|
begin
|
|
CancelGridModeBufferCountUpdate;
|
|
(DataController as IcxGridDataController).CheckGridModeBufferCount;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.PostGridModeBufferCountUpdate;
|
|
begin
|
|
if DataController.IsGridMode and not FGridModeBufferCountUpdateNeeded then
|
|
begin
|
|
FGridModeBufferCountUpdateNeeded := True;
|
|
FGridModeBufferCountUpdateTimer := TTimer.Create(nil);
|
|
with FGridModeBufferCountUpdateTimer do
|
|
begin
|
|
Interval := 1;
|
|
OnTimer := GridModeBufferCountUpdateTimerHandler;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanProcessMultiSelect(AIsKeyboard: Boolean): Boolean;
|
|
begin
|
|
Result := MultiSelect and (not AIsKeyboard or GridView.Focused);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanProcessMultiSelect(AHitTest: TcxCustomGridHitTest): Boolean;
|
|
begin
|
|
Result := CanProcessMultiSelect(False) and (AHitTest is TcxGridRecordHitTest) and
|
|
(TcxGridRecordHitTest(AHitTest).GridRecord <> nil) and
|
|
TcxGridRecordHitTest(AHitTest).GridRecord.Focused and
|
|
TcxGridRecordHitTest(AHitTest).CanClick;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanProcessMultiSelect(AKey: Word;
|
|
AShift: TShiftState; AFocusedRecordChanged: Boolean): Boolean;
|
|
begin
|
|
Result := CanProcessMultiSelect(True) and
|
|
IsKeyForMultiSelect(AKey, AShift, AFocusedRecordChanged);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ChangeRecordSelection(ARecord: TcxCustomGridRecord;
|
|
Value: Boolean);
|
|
begin
|
|
if MultiSelect then
|
|
DataController.ChangeRowSelection(ARecord.Index, Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CheckFocusedRecordSelectionWhenExit(ARecord: TcxCustomGridRecord);
|
|
begin
|
|
if GridView.OptionsSelection.UnselectFocusedRecordOnExit and
|
|
MultiSelect and (ARecord <> nil) and (SelectedRecordCount = 1) and ARecord.Selected then
|
|
ARecord.Selected := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoNormalSelection;
|
|
begin
|
|
if (SelectedRecordCount = 1) and (SelectedRecords[0] = FocusedRecord) then
|
|
Exit;
|
|
BeginUpdate;
|
|
try
|
|
ClearSelection;
|
|
if FocusedRecord <> nil then
|
|
FocusedRecord.Selected := True;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoNormalSelectionWithAnchor(ASelect: Boolean = True);
|
|
begin
|
|
SetSelectionAnchor(FocusedRecordIndex);
|
|
if ASelect then DoNormalSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoRangeSelection(AClearSelection: Boolean = True);
|
|
begin
|
|
if (FocusedRecordIndex <> -1) and not (dceInsert in DataController.EditState) then
|
|
DataController.SelectFromAnchor(FocusedRecordIndex, not AClearSelection);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoToggleRecordSelection;
|
|
begin
|
|
if FocusedRecord <> nil then
|
|
with FocusedRecord do
|
|
Selected := not Selected;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.FinishSelection;
|
|
begin
|
|
FIsRecordUnselecting := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.InvalidateFocusedRecord;
|
|
begin
|
|
if FocusedRecord <> nil then FocusedRecord.Invalidate;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.InvalidateSelection;
|
|
var
|
|
I: Integer;
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
for I := 0 to SelectedRecordCount - 1 do
|
|
begin
|
|
ARecord := SelectedRecords[I];
|
|
if ARecord <> nil then ARecord.Invalidate;
|
|
end;
|
|
InvalidateFocusedRecord;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsKeyForMultiSelect(AKey: Word;
|
|
AShift: TShiftState; AFocusedRecordChanged: Boolean): Boolean;
|
|
begin
|
|
Result := (AKey = VK_SPACE) or (AKey = VK_PRIOR) or (AKey = VK_NEXT) or
|
|
AFocusedRecordChanged;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsRecordSelected(ARecord: TcxCustomGridRecord): Boolean;
|
|
begin
|
|
Result := DataController.IsRowSelected(ARecord.Index);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MultiSelectKeyDown(var Key: Word; Shift: TShiftState);
|
|
begin
|
|
if (Shift = [ssCtrl]) and (Key = VK_SPACE) then
|
|
begin
|
|
DoToggleRecordSelection;
|
|
FEatKeyPress := True;
|
|
end
|
|
else
|
|
if (ssShift in Shift) and (Key <> 0) then
|
|
DoRangeSelection
|
|
else
|
|
DoNormalSelectionWithAnchor(Shift <> [ssCtrl]);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MultiSelectMouseDown(AHitTest: TcxCustomGridHitTest;
|
|
AShift: TShiftState);
|
|
var
|
|
APressedRecord: TcxCustomGridRecord;
|
|
ASelectionShift: TShiftState;
|
|
|
|
procedure AssignSelectionAnchor;
|
|
begin
|
|
if (ASelectionShift = []) or (ASelectionShift = [ssCtrl]) then
|
|
SetSelectionAnchor(APressedRecord.Index);
|
|
end;
|
|
|
|
function MustPostponeDoing: Boolean;
|
|
begin
|
|
Result := APressedRecord.Selected and not (ssDouble in AShift);
|
|
end;
|
|
|
|
procedure PostponeDoing;
|
|
begin
|
|
FIsRecordUnselecting := True;
|
|
FUnselectingRecordIndex := APressedRecord.Index;
|
|
end;
|
|
|
|
procedure ProcessRecordSelectionToggling;
|
|
begin
|
|
if MustPostponeDoing then
|
|
PostponeDoing
|
|
else
|
|
DoToggleRecordSelection;
|
|
end;
|
|
|
|
procedure ProcessNormalSelection;
|
|
begin
|
|
if MustPostponeDoing then
|
|
PostponeDoing
|
|
else
|
|
DoNormalSelection;
|
|
end;
|
|
|
|
begin
|
|
APressedRecord := TcxGridRecordHitTest(AHitTest).GridRecord;
|
|
ASelectionShift := AShift - [ssLeft, ssRight, ssMiddle, ssDouble];
|
|
AssignSelectionAnchor;
|
|
if ASelectionShift = [ssCtrl] then
|
|
ProcessRecordSelectionToggling
|
|
else
|
|
if (ASelectionShift = [ssShift]) or (ASelectionShift = [ssCtrl, ssShift]) then
|
|
DoRangeSelection(not (ssCtrl in AShift))
|
|
else
|
|
ProcessNormalSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MultiSelectMouseUp(AHitTest: TcxCustomGridHitTest;
|
|
AShift: TShiftState);
|
|
var
|
|
ASelectionShift: TShiftState;
|
|
begin
|
|
if FIsRecordUnselecting and
|
|
(FUnselectingRecordIndex = TcxGridRecordHitTest(AHitTest).GridRecord.Index) then
|
|
begin
|
|
ASelectionShift := AShift - [ssLeft, ssRight, ssMiddle, ssDouble];
|
|
if ASelectionShift = [ssCtrl] then
|
|
DoToggleRecordSelection
|
|
else
|
|
DoNormalSelection;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.SetSelectionAnchor(AGridRecordIndex: Integer);
|
|
begin
|
|
if AGridRecordIndex <> -1 then
|
|
DataController.SetSelectionAnchor(AGridRecordIndex);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusedRecordHasCells(ACheckCellSelect: Boolean): Boolean;
|
|
begin
|
|
Result := (FocusedRecord <> nil) and FocusedRecord.HasCells and
|
|
(not ACheckCellSelect or GridView.OptionsSelection.CellSelect);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.FocusNextPage(ASyncSelection: Boolean);
|
|
begin
|
|
MakeFocusedRecordVisible;
|
|
if FocusedRecordIndex = TopRecordIndex + ViewInfo.VisibleRecordCount - 1 then
|
|
ShowNextPage;
|
|
FocusRecord(TopRecordIndex + ViewInfo.VisibleRecordCount - 1, ASyncSelection);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.FocusPrevPage(ASyncSelection: Boolean);
|
|
begin
|
|
MakeFocusedRecordVisible;
|
|
if FocusedRecordIndex = TopRecordIndex then
|
|
ShowPrevPage;
|
|
FocusRecord(TopRecordIndex, ASyncSelection);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsKeyForController(AKey: Word; AShift: TShiftState): Boolean;
|
|
begin
|
|
Result :=
|
|
(AKey = VK_TAB) or (AKey = VK_UP) or (AKey = VK_DOWN) or (AKey = VK_PRIOR) or
|
|
(AKey = VK_NEXT) or (AKey = VK_INSERT) or (AKey = VK_ESCAPE);
|
|
if not Result and GridView.OptionsBehavior.AlwaysShowEditor then
|
|
Result := (AKey = VK_LEFT) or (AKey = VK_RIGHT);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ScrollPage(AForward: Boolean);
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if not DataController.GetInterface(IcxGridDataController, AIcxGridDataController) or
|
|
not AIcxGridDataController.DoScrollPage(AForward) then
|
|
if AForward then
|
|
ShowNextPage
|
|
else
|
|
ShowPrevPage;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ScrollRecords(AForward: Boolean; ACount: Integer);
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if not DataController.GetInterface(IcxGridDataController, AIcxGridDataController) or
|
|
not AIcxGridDataController.DoScroll(AForward) then
|
|
if AForward then
|
|
TopRecordIndex := TopRecordIndex + ACount
|
|
else
|
|
TopRecordIndex := TopRecordIndex - ACount;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ShowNextPage;
|
|
begin
|
|
TopRecordIndex := TopRecordIndex + ViewInfo.VisibleRecordCount;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ShowPrevPage;
|
|
begin
|
|
TopRecordIndex := TopRecordIndex - ViewInfo.VisibleRecordCount;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetDragFocusingScrollDirection(X, Y: Integer;
|
|
out AMoveForward: Boolean): Boolean;
|
|
var
|
|
R: TRect;
|
|
begin
|
|
Result := False;
|
|
R := ViewInfo.RecordsViewInfo.Bounds;
|
|
if IsRecordsScrollHorizontal and (X < R.Left) or
|
|
not IsRecordsScrollHorizontal and (Y < R.Top) then
|
|
begin
|
|
AMoveForward := False;
|
|
Result := True;
|
|
end;
|
|
if IsRecordsScrollHorizontal and (X >= R.Right) or
|
|
not IsRecordsScrollHorizontal and (Y >= R.Bottom) then
|
|
begin
|
|
AMoveForward := True;
|
|
Result := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StartDragFocusing;
|
|
begin
|
|
FIsDragFocusing := True;
|
|
FDragFocusingMousePos := ViewInfo.MousePos;// Point(-1, -1);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StopDragFocusing;
|
|
begin
|
|
StopDragFocusingScroll;
|
|
FIsDragFocusing := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StartDragFocusingScroll(AMoveForward: Boolean);
|
|
begin
|
|
FIsDragFocusingScrollForward := AMoveForward;
|
|
if FDragFocusingScrollTimer <> nil then Exit;
|
|
FDragFocusingScrollTimer := TTimer.Create(nil);
|
|
with FDragFocusingScrollTimer do
|
|
begin
|
|
Interval := DragFocusingScrollTimeInterval;
|
|
OnTimer := DragFocusingScrollTimerHandler;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StopDragFocusingScroll;
|
|
begin
|
|
FreeAndNil(FDragFocusingScrollTimer);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetDragScrollDirection(X, Y: Integer): TcxDirection;
|
|
const
|
|
ADirections: array[Boolean, Boolean] of TcxDirection = ((dirUp, dirDown), (dirLeft, dirRight));
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
begin
|
|
Result := dirNone;
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if AHitTest is TcxGridRecordHitTest then
|
|
with TcxGridRecordHitTest(AHitTest).GridRecord do
|
|
if Index = TopRecordIndex then
|
|
Result := ADirections[IsRecordsScrollHorizontal, False]
|
|
else
|
|
if ViewInfo.Index >= Self.ViewInfo.RecordsViewInfo.VisibleCount - 1 then
|
|
Result := ADirections[IsRecordsScrollHorizontal, True];
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ProcessDragFocusing(X, Y: Integer);
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
begin
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if AHitTest is TcxGridRecordHitTest then
|
|
TcxGridRecordHitTest(AHitTest).GridRecord.Focused := True
|
|
else
|
|
if AHitTest is TcxCustomGridViewHitTest then
|
|
TcxCustomGridViewHitTest(AHitTest).GridView.Focused := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StartDragScroll(ADirection: TcxDirection);
|
|
begin
|
|
FDragScrollDirection := ADirection;
|
|
if FDragScrollTimer <> nil then Exit;
|
|
FDragScrollTimer := TTimer.Create(nil);
|
|
with FDragScrollTimer do
|
|
begin
|
|
Interval := DragScrollTimeInterval;
|
|
OnTimer := DragScrollTimerHandler;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StopDragScroll;
|
|
begin
|
|
FreeAndNil(FDragScrollTimer);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsDragScroll: Boolean;
|
|
begin
|
|
Result := FDragScrollTimer <> nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetDragOpenInfo(AHitTest: TcxCustomGridHitTest): TcxCustomGridDragOpenInfo;
|
|
begin
|
|
if AHitTest.HitTestCode = htExpandButton then
|
|
Result := TcxGridDragOpenInfoExpand.Create(TcxGridExpandButtonHitTest(AHitTest).GridRecord)
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsDragOpenHitTest(AHitTest: TcxCustomGridHitTest;
|
|
out ADragOpenInfo: TcxCustomGridDragOpenInfo): Boolean;
|
|
begin
|
|
ADragOpenInfo := GetDragOpenInfo(AHitTest);
|
|
Result := ADragOpenInfo <> nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetItemForIncSearching: TcxCustomGridTableItem;
|
|
begin
|
|
if GridView.OptionsSelection.CellSelect then
|
|
Result := FocusedItem
|
|
else
|
|
begin
|
|
Result := GridView.OptionsBehavior.IncSearchItem;
|
|
if (Result = nil) and (GridView.VisibleItemCount <> 0) then
|
|
Result := GridView.VisibleItems[0];
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.IncSearchKeyDown(var Key: Word; Shift: TShiftState);
|
|
begin
|
|
case Key of
|
|
VK_ESCAPE:
|
|
begin
|
|
CancelIncSearching;
|
|
Key := 0;
|
|
end;
|
|
VK_BACK:
|
|
begin
|
|
IncSearchingText := Copy(IncSearchingText, 1, Length(IncSearchingText) - 1);
|
|
Key := 0;
|
|
end;
|
|
VK_UP, VK_DOWN:
|
|
if Shift = [ssCtrl] then
|
|
begin
|
|
DataController.Search.LocateNext(Key = VK_DOWN);
|
|
Key := 0;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GetEditingControllerClass: TcxGridEditingControllerClass;
|
|
begin
|
|
Result := TcxGridEditingController;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.BeginDragAndDrop;
|
|
begin
|
|
FEditingController.HideEdit(True);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ControlFocusChanged;
|
|
begin
|
|
inherited;
|
|
InvalidateSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoCancelMode;
|
|
begin
|
|
inherited;
|
|
StopDragFocusing;
|
|
FinishSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoKeyDown(var Key: Word; Shift: TShiftState);
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
APrevTopRecordIndex, APrevFocusedRecordIndex: Integer;
|
|
begin
|
|
APrevTopRecordIndex := TopRecordIndex;
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
try
|
|
if IsIncSearching then
|
|
begin
|
|
IncSearchKeyDown(Key, Shift);
|
|
if AGridView = nil then Exit;
|
|
end;
|
|
APrevFocusedRecordIndex := FocusedRecordIndex;
|
|
inherited;
|
|
if AGridView <> nil then
|
|
if CanProcessMultiSelect(Key, Shift, FocusedRecordIndex <> APrevFocusedRecordIndex) then
|
|
MultiSelectKeyDown(Key, Shift);
|
|
finally
|
|
if AGridView <> nil then
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
if TopRecordIndex <> APrevTopRecordIndex then
|
|
Site.Update;
|
|
end
|
|
else
|
|
Key := 0;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.EndDragAndDrop(Accepted: Boolean);
|
|
begin
|
|
inherited;
|
|
CheckEdit;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FindNextItem(AFocusedItemIndex: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; out ACycleChanged: Boolean): Integer;
|
|
|
|
function CanFocusItem(AOwner: TcxCustomGridTableView; AItemIndex: Integer;
|
|
AData: Pointer): Boolean;
|
|
begin
|
|
Result := AOwner.VisibleItems[AItemIndex].CanFocus;
|
|
end;
|
|
|
|
begin
|
|
if not FindNextCustomItem(AFocusedItemIndex, GridView.VisibleItemCount,
|
|
AGoForward, AGoOnCycle, @CanFocusItem, nil, Result, ACycleChanged) then
|
|
Result := -1;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FindNextRecord(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle: Boolean; out ACycleChanged: Boolean): Integer;
|
|
|
|
function CanFocusRecord(AOwner: TcxCustomGridTableView; AItemIndex: Integer;
|
|
AData: Pointer): Boolean;
|
|
begin
|
|
Result := AOwner.ViewData.Records[AItemIndex].CanFocus;
|
|
end;
|
|
|
|
begin
|
|
if DataController.IsGridMode then
|
|
if AGoForward then
|
|
if not DataController.IsEOF and (AFocusedRecordIndex = ViewData.RecordCount - 1) then
|
|
begin
|
|
DataController.Scroll(1);
|
|
if not DataController.IsEOF then
|
|
Dec(AFocusedRecordIndex);
|
|
end
|
|
else
|
|
else
|
|
if (AFocusedRecordIndex = 0) and not DataController.IsBOF then
|
|
begin
|
|
DataController.Scroll(-1);
|
|
if not DataController.IsBOF then
|
|
Inc(AFocusedRecordIndex);
|
|
end;
|
|
if not FindNextCustomItem(AFocusedRecordIndex, ViewData.RecordCount, AGoForward,
|
|
AGoOnCycle, @CanFocusRecord, nil, Result, ACycleChanged) then
|
|
Result := -1;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.HasFocusedControls: Boolean;
|
|
begin
|
|
Result := inherited HasFocusedControls or
|
|
{IsEditing}(FEditingController.Edit <> nil) and FEditingController.Edit.IsFocused;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsDataFullyVisible(AIsCallFromMaster: Boolean = False): Boolean;
|
|
begin
|
|
Result := ViewInfo.VisibleRecordCount = ViewData.RecordCount;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.KeyDown(var Key: Word; Shift: TShiftState);
|
|
begin
|
|
inherited;
|
|
if not FBlockRecordKeyboardHandling and (FocusedRecord <> nil) then
|
|
FocusedRecord.KeyDown(Key, Shift);
|
|
case Key of
|
|
VK_INSERT:
|
|
if (Shift = []) and CanInsert(True) then
|
|
CreateNewRecord(False);
|
|
VK_DELETE:
|
|
if ((Shift = []) or (Shift = [ssCtrl])) and CanDelete(True) then
|
|
begin
|
|
DeleteSelection;
|
|
Key := 0;
|
|
end;
|
|
VK_ESCAPE:
|
|
if DataController.IsEditing then
|
|
begin
|
|
DataController.Cancel;
|
|
if not DataController.IsEditing and MultiSelect and (FocusedRecord <> nil) then
|
|
FocusedRecord.Selected := True;
|
|
end;
|
|
VK_RETURN, VK_TAB:
|
|
if ((Key = VK_RETURN) and GridView.OptionsBehavior.GoToNextCellOnEnter or
|
|
(Key = VK_TAB) and GridView.OptionsBehavior.FocusCellOnTab) and
|
|
(Shift + [ssShift] = [ssShift]) then
|
|
begin
|
|
FocusNextCell(Shift = [], False);
|
|
Key := 0;
|
|
end;
|
|
VK_PRIOR:
|
|
FocusPrevPage(False);
|
|
VK_NEXT:
|
|
FocusNextPage(False);
|
|
Ord('A'):
|
|
if Shift = [ssCtrl] then
|
|
DataController.SelectAll;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.KeyPress(var Key: Char);
|
|
begin
|
|
inherited;
|
|
if FEatKeyPress then
|
|
begin
|
|
FEatKeyPress := False;
|
|
Exit;
|
|
end;
|
|
if (Key in IncSearchStartChars) and
|
|
(ItemForIncSearching <> nil) and ItemForIncSearching.CanIncSearch and
|
|
not DataController.IsEditing then
|
|
begin
|
|
if Key <> #8 then
|
|
IncSearchingText := IncSearchingText + Key;
|
|
Key := #0;
|
|
end;
|
|
if FocusedRecord <> nil then
|
|
FocusedRecord.DoKeyPress(Key);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MouseDown(Button: TMouseButton;
|
|
Shift: TShiftState; X, Y: Integer);
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
AGridView: TcxCustomGridTableView;
|
|
begin
|
|
FEditingController.StopEditShowingTimer;
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
try
|
|
inherited;
|
|
finally
|
|
//AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if AGridView <> nil then
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
if CanProcessMultiSelect(AHitTest) then
|
|
MultiSelectMouseDown(AHitTest, Shift);
|
|
if (AHitTest is TcxGridRecordHitTest) and GridView.OptionsBehavior.PullFocusing and
|
|
Site.MouseCapture then
|
|
StartDragFocusing;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MouseMove(Shift: TShiftState; X, Y: Integer);
|
|
var
|
|
AViewInfo: TcxCustomGridHitTest;
|
|
AMoveForward: Boolean;
|
|
begin
|
|
inherited;
|
|
if FIsDragFocusing then
|
|
begin
|
|
AViewInfo := ViewInfo.GetHitTest(X, Y);
|
|
if AViewInfo is TcxGridRecordHitTest then
|
|
if (FDragFocusingMousePos.X <> X) or (FDragFocusingMousePos.Y <> Y) then
|
|
begin
|
|
StopDragFocusingScroll;
|
|
TcxGridRecordHitTest(AViewInfo).GridRecord.Focused := True;
|
|
Site.Update;
|
|
end
|
|
else
|
|
else
|
|
if GetDragFocusingScrollDirection(X, Y, AMoveForward) then
|
|
StartDragFocusingScroll(AMoveForward);
|
|
FDragFocusingMousePos := Point(X, Y);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MouseUp(Button: TMouseButton;
|
|
Shift: TShiftState; X, Y: Integer);
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
begin
|
|
inherited;
|
|
StopDragFocusing;
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if (Button = mbLeft) and CanProcessMultiSelect(AHitTest) then
|
|
MultiSelectMouseUp(AHitTest, Shift);
|
|
FinishSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.WndProc(var Message: TMessage);
|
|
begin
|
|
inherited;
|
|
{case Message.Msg of
|
|
WM_IME_STARTCOMPOSITION:
|
|
FEditingController.ShowEdit;
|
|
end;}
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.BeforeStartDrag;
|
|
begin
|
|
inherited;
|
|
if DataController.IsEditing then
|
|
if dceModified in DataController.EditState then
|
|
DataController.Post
|
|
else
|
|
DataController.Cancel;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.CanDrag(X, Y: Integer): Boolean;
|
|
begin
|
|
Result := inherited CanDrag(X, Y) and
|
|
(ViewInfo.GetHitTest(X, Y) is TcxGridRecordHitTest);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DragDrop(Source: TObject; X, Y: Integer);
|
|
begin
|
|
if GridView.OptionsBehavior.DragFocusing = dfDragDrop then
|
|
ProcessDragFocusing(X, Y);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DragOver(Source: TObject; X, Y: Integer;
|
|
State: TDragState; var Accept: Boolean);
|
|
|
|
procedure ProcessScrolling;
|
|
var
|
|
ADirection: TcxDirection;
|
|
begin
|
|
ADirection := GetDragScrollDirection(X, Y);
|
|
if (ADirection = dirNone) or (State = dsDragLeave) then
|
|
StopDragScroll
|
|
else
|
|
StartDragScroll(ADirection);
|
|
end;
|
|
|
|
procedure ProcessOpening;
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
ADragOpenInfo: TcxCustomGridDragOpenInfo;
|
|
begin
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if (State <> dsDragLeave) and IsDragOpenHitTest(AHitTest, ADragOpenInfo) then
|
|
TcxCustomGrid(Control).Controller.StartDragOpen(ADragOpenInfo)
|
|
else
|
|
TcxCustomGrid(Control).Controller.StopDragOpen;
|
|
end;
|
|
|
|
procedure ProcessDragHighlighting;
|
|
var
|
|
AHitTest: TcxCustomGridHitTest;
|
|
begin
|
|
AHitTest := ViewInfo.GetHitTest(X, Y);
|
|
if (State <> dsDragLeave) and (AHitTest is TcxGridRecordHitTest) then
|
|
DragHighlightedRecord := TcxGridRecordHitTest(AHitTest).GridRecord
|
|
else
|
|
DragHighlightedRecord := nil;
|
|
end;
|
|
|
|
begin
|
|
inherited;
|
|
if GridView.OptionsBehavior.DragScrolling then
|
|
ProcessScrolling;
|
|
if GridView.OptionsBehavior.DragOpening then
|
|
ProcessOpening;
|
|
if GridView.OptionsBehavior.DragHighlighting then
|
|
ProcessDragHighlighting;
|
|
if (State <> dsDragLeave) and (GridView.OptionsBehavior.DragFocusing = dfDragOver) then
|
|
ProcessDragFocusing(X, Y);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.EndDrag(Target: TObject; X, Y: Integer);
|
|
begin
|
|
DragHighlightedRecord := nil;
|
|
TcxCustomGrid(Control).Controller.StopDragOpen;
|
|
StopDragScroll;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.StartDrag(var DragObject: TDragObject);
|
|
|
|
function GetCursor: TCursor;
|
|
begin
|
|
if SelectedRecordCount > 1 then
|
|
Result := crcxGridMultiDrag
|
|
else
|
|
Result := crcxGridDrag;
|
|
end;
|
|
|
|
begin
|
|
inherited;
|
|
TcxGridSiteAccess(Site).DragCursor := GetCursor;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CancelIncSearching;
|
|
begin
|
|
DataController.Search.Cancel;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.ClearSelection;
|
|
begin
|
|
DataController.ClearSelection;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.CreateNewRecord(AtEnd: Boolean);
|
|
var
|
|
AIsEditing: Boolean;
|
|
begin
|
|
AIsEditing := IsEditing;
|
|
if AtEnd then
|
|
if CanAppend(False) then
|
|
DataController.Append
|
|
else
|
|
else
|
|
if CanInsert(False) then
|
|
begin
|
|
DataController.Insert;
|
|
if MultiSelect and (ViewData.EditingRecord <> nil) then
|
|
ViewData.EditingRecord.Selected := True;
|
|
end;
|
|
if (dceInsert in DataController.EditState) and
|
|
GridView.OptionsBehavior.FocusFirstCellOnNewRecord then
|
|
begin
|
|
FocusFirstAvailableItem;
|
|
if AIsEditing then
|
|
FEditingController.ShowEdit;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DeleteSelection;
|
|
var
|
|
AMultiSelect: Boolean;
|
|
|
|
function GetConfirmationText: string;
|
|
begin
|
|
if AMultiSelect then
|
|
Result := cxGetResourceString(@scxGridDeletingSelectedConfirmationText)
|
|
else
|
|
Result := cxGetResourceString(@scxGridDeletingFocusedConfirmationText);
|
|
end;
|
|
|
|
begin
|
|
if not CanDelete(False) then Exit;
|
|
AMultiSelect := MultiSelect and (SelectedRecordCount <> 0) and
|
|
((SelectedRecordCount > 1) or (SelectedRecords[0] = nil) or
|
|
(FocusedRecordIndex <> SelectedRecords[0].Index));
|
|
if not GridView.OptionsData.DeletingConfirmation or
|
|
(Application.MessageBox(PChar(GetConfirmationText),
|
|
PChar(cxGetResourceString(@scxGridDeletingConfirmationCaption)),
|
|
MB_ICONQUESTION or MB_OKCANCEL) = ID_OK) then
|
|
if AMultiSelect then
|
|
DataController.DeleteSelection
|
|
else
|
|
DataController.DeleteFocused;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.DoCheckCoordinates;
|
|
var
|
|
APrevIsCheckingCoordinates: Boolean;
|
|
begin
|
|
APrevIsCheckingCoordinates := FIsCheckingCoordinates;
|
|
FIsCheckingCoordinates := True;
|
|
try
|
|
CheckCoordinates;
|
|
finally
|
|
FIsCheckingCoordinates := APrevIsCheckingCoordinates;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusFirstAvailableItem: Boolean;
|
|
begin
|
|
Result := FocusNextItem(-1, True, False, False);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusNextCell(AGoForward: Boolean;
|
|
AProcessCellsOnly: Boolean = True): Boolean;
|
|
begin
|
|
if FocusedRecordHasCells(True) then
|
|
Result := FocusNextItem(FocusedItemIndex, AGoForward, False,
|
|
GridView.OptionsBehavior.FocusCellOnCycle)
|
|
else
|
|
if AProcessCellsOnly or not GridView.OptionsBehavior.FocusCellOnCycle then
|
|
Result := False
|
|
else
|
|
begin
|
|
Result := FocusNextRecord(FocusedRecordIndex, AGoForward, False, False);
|
|
if FocusedRecordHasCells(True) then
|
|
FocusNextItem(-1, AGoForward, True, False);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusNextItem(AFocusedItemIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoToNextRecordOnCycle: Boolean): Boolean;
|
|
var
|
|
ANextItemIndex: Integer;
|
|
ACycleChanged, ANeedFocusItem: Boolean;
|
|
begin
|
|
ANextItemIndex := FindNextItem(AFocusedItemIndex, AGoForward,
|
|
AGoOnCycle or AGoToNextRecordOnCycle, ACycleChanged);
|
|
Result := ANextItemIndex <> -1;
|
|
if Result then
|
|
begin
|
|
if ACycleChanged and AGoToNextRecordOnCycle then
|
|
if FocusedRecord.IsNewItemRecord then
|
|
begin
|
|
DataController.Post;
|
|
ViewData.NewItemRecord.Focused := True;
|
|
ANeedFocusItem := True;
|
|
end
|
|
else
|
|
ANeedFocusItem := FocusNextRecord(FocusedRecordIndex, AGoForward, False, False) and
|
|
FocusedRecordHasCells(True)
|
|
else
|
|
ANeedFocusItem := True;
|
|
if ANeedFocusItem then
|
|
GridView.VisibleItems[ANextItemIndex].Focused := True;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusNextRecord(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoIntoDetail: Boolean): Boolean;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
APrevFocused, ACycleChanged: Boolean;
|
|
APrevFocusedRecord, ANextRecord, AChildRecord: TcxCustomGridRecord;
|
|
ANextRecordIndex: Integer;
|
|
|
|
procedure CheckEditing;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
begin
|
|
AGridView := GridView;
|
|
//AGridView.BeginUpdate; - commented because of dialog calling in OnBeforePost
|
|
AGridView.AddListenerLink(@AGridView);
|
|
try
|
|
if DataController.IsEditing then
|
|
begin
|
|
EditingController.UpdateValue;
|
|
if not (dceModified in DataController.EditState) then
|
|
begin
|
|
if DataController.EditState = [dceInsert] then
|
|
begin
|
|
Result := AGoForward xor DataController.IsEOF;
|
|
if Result then DataController.Cancel;
|
|
end;
|
|
Exit;
|
|
end;
|
|
DataController.Post;
|
|
if AGridView = nil then Exit;
|
|
if AFocusedRecordIndex <> -1 then
|
|
AFocusedRecordIndex := FocusedRecordIndex;
|
|
end;
|
|
finally
|
|
if AGridView = nil then
|
|
Result := True
|
|
else
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
//AGridView.EndUpdate;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure CheckGridMode;
|
|
begin
|
|
if DataController.IsGridMode and (AFocusedRecordIndex = -1) then
|
|
if AGoForward then
|
|
DataController.GotoFirst
|
|
else
|
|
if AGoOnCycle then
|
|
DataController.GotoLast;
|
|
end;
|
|
|
|
procedure ProcessMultiSelect;
|
|
var
|
|
AFocusedView: TcxCustomGridView;
|
|
begin
|
|
if GridView.Focused = APrevFocused then Exit;
|
|
CheckFocusedRecordSelectionWhenExit(APrevFocusedRecord);
|
|
AFocusedView := TcxCustomGrid(Control).FocusedView;
|
|
if AFocusedView is TcxCustomGridTableView then
|
|
with TcxCustomGridTableView(AFocusedView).Controller do
|
|
if CanProcessMultiSelect(True) then
|
|
DoNormalSelectionWithAnchor;
|
|
end;
|
|
|
|
begin
|
|
Result := False;
|
|
CheckEditing;
|
|
if Result then Exit;
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
CheckGridMode;
|
|
APrevFocused := GridView.Focused;
|
|
APrevFocusedRecord := FocusedRecord;
|
|
try
|
|
if AGoForward and AGoIntoDetail and GridView.IsMaster and
|
|
(AFocusedRecordIndex <> -1) then
|
|
ANextRecord := ViewData.Records[AFocusedRecordIndex].GetFirstFocusableChild
|
|
else
|
|
ANextRecord := nil;
|
|
if ANextRecord = nil then
|
|
begin
|
|
ANextRecordIndex := FindNextRecord(AFocusedRecordIndex, AGoForward,
|
|
AGoOnCycle, ACycleChanged);
|
|
if ANextRecordIndex <> -1 then
|
|
begin
|
|
ANextRecord := ViewData.Records[ANextRecordIndex];
|
|
if not AGoForward and AGoIntoDetail and GridView.IsMaster then
|
|
begin
|
|
AChildRecord := ANextRecord.GetLastFocusableChild(True);
|
|
if AChildRecord <> nil then
|
|
ANextRecord := AChildRecord;
|
|
end;
|
|
end
|
|
else
|
|
if AGoForward and CanAppend(True) then
|
|
begin
|
|
CreateNewRecord(True);
|
|
Exit;
|
|
end
|
|
else
|
|
if GridView.IsDetail then
|
|
if not AGoForward and GridView.MasterGridRecord.CanFocus then
|
|
ANextRecord := GridView.MasterGridRecord
|
|
else
|
|
begin
|
|
Result := not DataController.IsGridMode and
|
|
MasterController.FocusNextRecord(GridView.MasterGridRecordIndex,
|
|
AGoForward, AGoOnCycle, not AGoForward);
|
|
Exit;
|
|
end;
|
|
end;
|
|
Result := ANextRecord <> nil;
|
|
if Result then
|
|
ANextRecord.Focused := True;
|
|
finally
|
|
if AGridView <> nil then
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
if Result then ProcessMultiSelect;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusNextRecordWithSelection(AFocusedRecordIndex: Integer;
|
|
AGoForward, AGoOnCycle, AGoIntoDetail: Boolean; ASyncSelection: Boolean = True): Boolean;
|
|
begin
|
|
Result := FocusNextRecord(AFocusedRecordIndex, AGoForward, AGoOnCycle, AGoIntoDetail);
|
|
if Result and ASyncSelection and CanProcessMultiSelect(True) then
|
|
DoNormalSelectionWithAnchor;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.FocusRecord(AFocusedRecordIndex: Integer;
|
|
ASyncSelection: Boolean): Boolean;
|
|
begin
|
|
FocusedRecordIndex := AFocusedRecordIndex;
|
|
Result := FocusedRecordIndex = AFocusedRecordIndex;
|
|
if Result and ASyncSelection and CanProcessMultiSelect(True) then
|
|
DoNormalSelectionWithAnchor;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MakeFocusedItemVisible;
|
|
begin
|
|
MakeItemVisible(FocusedItem);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MakeFocusedRecordVisible;
|
|
begin
|
|
MakeRecordVisible(FocusedRecord);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableController.MakeRecordVisible(ARecord: TcxCustomGridRecord);
|
|
var
|
|
AFocusedView: TcxCustomGridView;
|
|
AIndex, APrevTopRecordIndex: Integer;
|
|
begin
|
|
if (ARecord = nil) or (GridView.Control = nil) then Exit;
|
|
AFocusedView := TcxCustomGrid(GridView.Control).FocusedView;
|
|
if (AFocusedView is TcxCustomGridTableView) and
|
|
not GridView.Focused and AFocusedView.HasAsMaster(GridView) and
|
|
TcxCustomGridTableView(AFocusedView).DontMakeMasterRecordVisible then Exit;
|
|
AIndex := ARecord.Index;
|
|
if AIndex < TopRecordIndex then InternalTopRecordIndex := AIndex;
|
|
if ViewInfo.VisibleRecordCount = 0 then
|
|
if AIndex > TopRecordIndex then
|
|
InternalTopRecordIndex := AIndex
|
|
else
|
|
else
|
|
while AIndex >= TopRecordIndex + ViewInfo.VisibleRecordCount do
|
|
begin
|
|
APrevTopRecordIndex := TopRecordIndex;
|
|
InternalTopRecordIndex := AIndex - GetVisibleRecordCount(AIndex, False) + 1;
|
|
if TopRecordIndex = APrevTopRecordIndex then Break;
|
|
end;
|
|
GridView.MakeMasterGridRecordVisible;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GoToFirst: Boolean;
|
|
begin
|
|
Result := FocusNextRecordWithSelection(-1, True, False, False);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GoToLast(AGoIntoDetail: Boolean): Boolean;
|
|
begin
|
|
Result := FocusNextRecordWithSelection(-1, False, True, AGoIntoDetail);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GoToNext(AGoIntoDetail: Boolean;
|
|
ASyncSelection: Boolean = True): Boolean;
|
|
begin
|
|
Result := FocusNextRecordWithSelection(FocusedRecordIndex, True, False,
|
|
AGoIntoDetail, ASyncSelection);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.GoToPrev(AGoIntoDetail: Boolean;
|
|
ASyncSelection: Boolean = True): Boolean;
|
|
begin
|
|
Result := FocusNextRecordWithSelection(FocusedRecordIndex, False, False,
|
|
AGoIntoDetail, ASyncSelection);
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsFinish: Boolean;
|
|
var
|
|
ACycleChanged: Boolean;
|
|
begin
|
|
Result := FindNextRecord(FocusedRecordIndex, True, False, ACycleChanged) = -1;
|
|
end;
|
|
|
|
function TcxCustomGridTableController.IsStart: Boolean;
|
|
var
|
|
ACycleChanged: Boolean;
|
|
begin
|
|
Result := FindNextRecord(FocusedRecordIndex, False, False, ACycleChanged) = -1;
|
|
end;
|
|
|
|
{ TcxGridTableDataCellPainter }
|
|
|
|
function TcxGridTableDataCellPainter.GetViewInfo: TcxGridTableDataCellViewInfo;
|
|
begin
|
|
Result := TcxGridTableDataCellViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellPainter.DrawContent;
|
|
begin
|
|
if ViewInfo.Transparent and (ViewInfo.BackgroundBitmap <> nil) then
|
|
DrawBackground;
|
|
ViewInfo.EditViewInfo.Paint(Canvas);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellPainter.DrawFocusRect;
|
|
begin
|
|
with ViewInfo do
|
|
if Focused and not GridView.OptionsSelection.InvertSelect and not Editing then
|
|
GridViewInfo.Painter.DrawFocusRect(ContentBounds, GridView.OptionsSelection.HideFocusRect);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellPainter.Paint;
|
|
begin
|
|
inherited;
|
|
DrawFocusRect;
|
|
end;
|
|
|
|
{ TcxCustomGridRecordPainter }
|
|
|
|
function TcxCustomGridRecordPainter.GetViewInfo: TcxCustomGridRecordViewInfo;
|
|
begin
|
|
Result := TcxCustomGridRecordViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.AfterPaint;
|
|
begin
|
|
DrawFocusRect;
|
|
if ViewInfo.GridRecord.Expandable then
|
|
DrawExpandButton;
|
|
ViewInfo.GridViewInfo.Painter.ExcludeFromBackground(ViewInfo.Bounds);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.BeforePaint;
|
|
begin
|
|
inherited;
|
|
{if ViewInfo.GridRecord.Expandable then
|
|
DrawExpandButton;}
|
|
DrawBackground;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.DrawBackground;
|
|
begin
|
|
with ViewInfo do
|
|
if Transparent then
|
|
Self.Canvas.FillRect(BackgroundBitmapBounds, BackgroundBitmap);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.DrawExpandButton;
|
|
begin
|
|
ViewInfo.GridViewInfo.LookAndFeelPainter.DrawExpandButton(Canvas,
|
|
ViewInfo.ExpandButtonBounds, ViewInfo.GridRecord.Expanded);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.DrawFocusRect;
|
|
begin
|
|
with ViewInfo do
|
|
if Focused and HasFocusRect then
|
|
GridViewInfo.Painter.DrawFocusRect(FocusRectBounds, HideFocusRect);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordPainter.Paint;
|
|
begin
|
|
end;
|
|
|
|
{ TcxCustomGridRecordsPainter }
|
|
|
|
constructor TcxCustomGridRecordsPainter.Create(ACanvas: TcxCanvas;
|
|
AViewInfo: TcxCustomGridRecordsViewInfo);
|
|
begin
|
|
inherited Create;
|
|
FCanvas := ACanvas;
|
|
FViewInfo := AViewInfo;
|
|
end;
|
|
|
|
(*procedure TcxCustomGridRecordsPainter.BeforePaint;
|
|
begin {4}
|
|
with ViewInfo do //!!! cache bitmaps!
|
|
BackgroundBitmap := GetBackgroundBitmap;
|
|
end;*)
|
|
|
|
procedure TcxCustomGridRecordsPainter.Paint;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
with FViewInfo do
|
|
for I := 0 to Count - 1 do
|
|
with Items[I] do
|
|
if Calculated then Paint;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsPainter.MainPaint;
|
|
begin
|
|
//BeforePaint;
|
|
Paint;
|
|
end;
|
|
|
|
{ TcxNavigatorSitePainter }
|
|
|
|
function TcxNavigatorSitePainter.ExcludeFromClipRect: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
{ TcxCustomGridTablePainter }
|
|
|
|
function TcxCustomGridTablePainter.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := TcxCustomGridTableController(inherited Controller);
|
|
end;
|
|
|
|
function TcxCustomGridTablePainter.GetViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
function TcxCustomGridTablePainter.CanOffset(AItemsOffset, DX, DY: Integer): Boolean;
|
|
begin {2}{4}
|
|
Result := (ViewInfo.BackgroundBitmap = nil) and
|
|
(ViewInfo.RecordsViewInfo.BackgroundBitmap = nil);
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.DrawNavigator;
|
|
begin
|
|
with ViewInfo do
|
|
if NavigatorSiteViewInfo.Visible then
|
|
begin
|
|
NavigatorViewInfo.Paint;
|
|
NavigatorSiteViewInfo.Paint;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.DrawRecords;
|
|
begin
|
|
ViewInfo.RecordsViewInfo.Paint;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.Offset(AItemsOffset: Integer);
|
|
begin
|
|
GridView.ViewChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.Offset(DX, DY: Integer);
|
|
begin
|
|
GridView.ViewChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.PaintBefore;
|
|
begin
|
|
inherited;
|
|
DrawNavigator;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.PaintContent;
|
|
begin
|
|
inherited;
|
|
DrawRecords;
|
|
end;
|
|
|
|
procedure TcxCustomGridTablePainter.DoOffset(AItemsOffset, DX, DY: Integer);
|
|
begin
|
|
if not Site.HandleAllocated then Exit;
|
|
if CanOffset(AItemsOffset, DX, DY) then
|
|
if AItemsOffset = 0 then
|
|
Offset(DX, DY)
|
|
else
|
|
Offset(AItemsOffset)
|
|
else
|
|
GridView.ViewChanged;
|
|
end;
|
|
|
|
{ TcxCustomGridRecord }
|
|
|
|
constructor TcxCustomGridRecord.Create(AViewData: TcxCustomGridTableViewData;
|
|
AIndex: Integer; ARecordInfo: TcxRowInfo);
|
|
begin
|
|
inherited Create;
|
|
FViewData := AViewData;
|
|
FIndex := AIndex;
|
|
FRecordInfo := ARecordInfo;
|
|
end;
|
|
|
|
destructor TcxCustomGridRecord.Destroy;
|
|
begin
|
|
//GridView.DoRecordDestroying(Self);
|
|
if FViewInfo <> nil then
|
|
FViewInfo.FRecord := nil;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := GridView.Controller;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDataController: TcxCustomDataController;
|
|
begin
|
|
Result := FViewData.DataController;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDragHighlighted: Boolean;
|
|
begin
|
|
Result := FViewData.Controller.DragHighlightedRecord = Self;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetFocused: Boolean;
|
|
begin
|
|
Result := FViewData.Controller.FocusedRecord = Self;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FViewData.GridView;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsEditing: Boolean;
|
|
begin
|
|
Result := FViewData.EditingRecord = Self;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsNewItemRecord: Boolean;
|
|
begin
|
|
Result := FViewData.NewItemRecord = Self;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsValid: Boolean;
|
|
begin
|
|
Result := (0 <= RecordIndex) and (RecordIndex < ViewData.DataController.RecordCount);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetLevel: Integer;
|
|
begin
|
|
Result := RecordInfo.Level;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetPartVisible: Boolean;
|
|
begin
|
|
Result := FViewInfo <> nil;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetRecordIndex: Integer;
|
|
begin
|
|
Result := FRecordInfo.RecordIndex;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.SetExpanded(Value: Boolean);
|
|
begin
|
|
if Expanded <> Value then
|
|
if Value then
|
|
Expand(False)
|
|
else
|
|
Collapse(False);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.SetFocused(Value: Boolean);
|
|
begin
|
|
if Value then
|
|
FViewData.Controller.FocusedRecord := Self
|
|
else
|
|
FViewData.Controller.FocusedRecord := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.RefreshRecordInfo;
|
|
begin
|
|
if IsNewItemRecord then
|
|
with FRecordInfo do
|
|
begin
|
|
Expanded := False;
|
|
Level := 0;
|
|
RecordIndex := DataController.NewItemRecordIndex;
|
|
end
|
|
else
|
|
FRecordInfo := DataController.GetRowInfo(FIndex);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDestroyingOnExpanding: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetExpandable: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetExpanded: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDrawFocused: Boolean;
|
|
begin
|
|
Result := GridView.DrawRecordFocused(Self);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDrawSelected: Boolean;
|
|
begin
|
|
Result := GridView.DrawRecordSelected(Self);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetHasCells: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsData: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsFirst: Boolean;
|
|
begin
|
|
Result := Index = 0;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsLast: Boolean;
|
|
begin
|
|
Result := Index = FViewData.RecordCount - 1;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsParent: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetIsParentRecordLast(AIndex: Integer): Boolean;
|
|
begin
|
|
Result := IsLast or (ViewData.Records[Index + 1].Level < Level - AIndex);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetParentRecord: TcxCustomGridRecord;
|
|
begin
|
|
if Level <> 0 then
|
|
begin
|
|
Result := Self;
|
|
repeat
|
|
Result := ViewData.Records[Result.Index - 1];
|
|
until Result.Level < Level;
|
|
end
|
|
else
|
|
if GridView.IsDetail then
|
|
Result := GridView.MasterGridRecord
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetSelected: Boolean;
|
|
begin
|
|
if IsNewItemRecord then
|
|
Result := DataController.NewItemRowFocused
|
|
else
|
|
Result := FViewData.Controller.IsRecordSelected(Self);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetVisible: Boolean;
|
|
begin
|
|
Result := IsNewItemRecord or PartVisible and
|
|
FViewData.ViewInfo.RecordsViewInfo.GetRealItem(Self, Index).Visible;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.SetSelected(Value: Boolean);
|
|
begin
|
|
if not IsNewItemRecord then
|
|
FViewData.Controller.ChangeRecordSelection(Self, Value)
|
|
else
|
|
if Selected <> Value then
|
|
DataController.NewItemRowFocused := Value;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetDisplayText(Index: Integer): string;
|
|
begin
|
|
Result := DataController.GetRowDisplayText(RecordInfo, Index);
|
|
GridView.DoGetDisplayText(Self, Index, Result);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetValueCount: Integer;
|
|
begin
|
|
Result := DataController.GetItemCount;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetValue(Index: Integer): Variant;
|
|
begin
|
|
Result := DataController.GetRowValue(RecordInfo, Index);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.CanFocus: Boolean;
|
|
begin
|
|
Result := True; //!!!
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.Collapse(ARecurse: Boolean);
|
|
begin
|
|
if Expandable then DoCollapse(ARecurse);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.DoKeyPress(var Key: Char);
|
|
begin
|
|
if FEatKeyPress then
|
|
FEatKeyPress := False
|
|
else
|
|
KeyPress(Key);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.Expand(ARecurse: Boolean);
|
|
begin
|
|
if Expandable then DoExpand(ARecurse);
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetFirstFocusableChild: TcxCustomGridRecord;
|
|
begin
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridRecord.GetLastFocusableChild(ARecursive: Boolean): TcxCustomGridRecord;
|
|
begin
|
|
Result := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.Invalidate(AItem: TcxCustomGridTableItem = nil);
|
|
begin
|
|
GridView.Changed(TcxGridRecordChange.Create(GridView, Self, Index, AItem));
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.KeyDown(var Key: Word; Shift: TShiftState);
|
|
var
|
|
ADestroyingOnExpanding: Boolean;
|
|
begin
|
|
ADestroyingOnExpanding := DestroyingOnExpanding;
|
|
case Key of
|
|
VK_LEFT:
|
|
if Expandable and Expanded then
|
|
begin
|
|
Expanded := False;
|
|
Key := 0;
|
|
end;
|
|
VK_RIGHT:
|
|
if Expandable and not Expanded then
|
|
begin
|
|
Expanded := True;
|
|
Key := 0;
|
|
end;
|
|
VK_ADD:
|
|
if Expandable then
|
|
begin
|
|
Expanded := True;
|
|
Key := 0;
|
|
if not ADestroyingOnExpanding then
|
|
FEatKeyPress := True;
|
|
end;
|
|
VK_SUBTRACT:
|
|
if Expandable then
|
|
begin
|
|
Expanded := False;
|
|
Key := 0;
|
|
if not ADestroyingOnExpanding then
|
|
FEatKeyPress := True;
|
|
end;
|
|
VK_MULTIPLY:
|
|
if Expandable then
|
|
begin
|
|
Expand(True);
|
|
Key := 0;
|
|
if not ADestroyingOnExpanding then
|
|
FEatKeyPress := True;
|
|
end;
|
|
VK_RETURN, VK_F2, VK_PROCESSKEY:
|
|
if HasCells and (Controller.FocusedItem <> nil) and
|
|
((Shift = []) or (Key = VK_RETURN) and (Shift = [ssShift])) then
|
|
begin
|
|
Controller.FocusedItem.Editing := True;
|
|
if Controller.FocusedItem.Editing and (Key <> VK_PROCESSKEY) then
|
|
Key := 0;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.KeyPress(var Key: Char);
|
|
begin
|
|
if (Key in EditStartChars) and
|
|
HasCells and (Controller.FocusedItem <> nil) then
|
|
begin
|
|
Controller.EditingController.ShowEdit(Controller.FocusedItem, Key);
|
|
Key := #0;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecord.MakeVisible;
|
|
begin
|
|
Controller.MakeRecordVisible(Self);
|
|
end;
|
|
|
|
{ TcxCustomGridTableViewData }
|
|
|
|
constructor TcxCustomGridTableViewData.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FRecords := TList.Create;
|
|
end;
|
|
|
|
destructor TcxCustomGridTableViewData.Destroy;
|
|
begin
|
|
DestroyNewItemRecord;
|
|
DestroyRecords;
|
|
FRecords.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := TcxCustomGridTableController(inherited Controller);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetEditingRecord: TcxCustomGridRecord;
|
|
begin
|
|
if DataController.IsEditing then
|
|
Result := GetRecordByRecordIndex(DataController.EditingRecordIndex)
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetInternalRecord(Index: Integer): TcxCustomGridRecord;
|
|
begin
|
|
Result := TcxCustomGridRecord(FRecords[Index]);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetRecord(Index: Integer): TcxCustomGridRecord;
|
|
begin
|
|
Result := InternalRecords[Index];
|
|
if Result = nil then
|
|
begin
|
|
Result := CreateRecord(Index);
|
|
FRecords[Index] := Result;
|
|
//GridView.DoRecordCreated(Result);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetRecordCount: Integer;
|
|
begin
|
|
Result := FRecords.Count;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.CreateRecord(AIndex: Integer): TcxCustomGridRecord;
|
|
var
|
|
ARecordInfo: TcxRowInfo;
|
|
begin
|
|
ARecordInfo := DataController.GetRowInfo(AIndex);
|
|
Result := GetRecordClass(ARecordInfo).Create(Self, AIndex, ARecordInfo);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.AssignEditingRecord;
|
|
begin
|
|
FEditingRecord := GetEditingRecord;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.CreateNewItemRecord;
|
|
var
|
|
ARowInfo: TcxRowInfo;
|
|
begin
|
|
FNewItemRecord := GetNewItemRecordClass.Create(Self, -1, ARowInfo);
|
|
FNewItemRecord.RefreshRecordInfo;
|
|
//GridView.DoRecordCreated(FNewItemRecord);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.DestroyNewItemRecord;
|
|
begin
|
|
FreeAndNil(FNewItemRecord);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.RecreateNewItemRecord;
|
|
begin
|
|
if HasNewItemRecord then
|
|
begin
|
|
DestroyNewItemRecord;
|
|
CreateNewItemRecord;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.Collapse(ARecurse: Boolean);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := RecordCount - 1 downto 0 do
|
|
Records[I].Collapse(ARecurse);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.DestroyRecords;
|
|
var
|
|
I: Integer;
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
for I := 0 to RecordCount - 1 do
|
|
begin
|
|
ARecord := InternalRecords[I];
|
|
if ARecord <> nil then
|
|
begin
|
|
ARecord.Free;
|
|
FRecords[I] := nil;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.Expand(ARecurse: Boolean);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
I := 0;
|
|
while I < RecordCount do
|
|
begin
|
|
Records[I].Expand(ARecurse);
|
|
Inc(I);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetRecordByIndex(AIndex: Integer): TcxCustomGridRecord;
|
|
begin
|
|
if (0 <= AIndex) and (AIndex < RecordCount) then
|
|
Result := Records[AIndex]
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetRecordByRecordIndex(ARecordIndex: Integer): TcxCustomGridRecord;
|
|
begin
|
|
if HasNewItemRecord and (ARecordIndex = DataController.NewItemRecordIndex) then
|
|
Result := FNewItemRecord
|
|
else
|
|
if (0 <= ARecordIndex) and (ARecordIndex < DataController.RecordCount) then
|
|
Result := GetRecordByIndex(DataController.GetRowIndexByRecordIndex(ARecordIndex, False))
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.GetRecordIndexByRecord(ARecord: TcxCustomGridRecord): Integer;
|
|
begin
|
|
if ARecord = nil then
|
|
Result := -1 //!!! can be internal record index
|
|
else
|
|
Result := ARecord.RecordIndex;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.IsRecordIndexValid(AIndex: Integer): Boolean;
|
|
begin
|
|
Result := (0 <= AIndex) and (AIndex < RecordCount);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.Refresh(ARecordCount: Integer);
|
|
begin
|
|
RecreateNewItemRecord;
|
|
DestroyRecords;
|
|
FRecords.Clear;
|
|
FRecords.Count := ARecordCount;
|
|
AssignEditingRecord;
|
|
GridView.SizeChanged(GridView.IsPattern);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.RefreshRecords;
|
|
var
|
|
I: Integer;
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
if HasNewItemRecord then FNewItemRecord.RefreshRecordInfo;
|
|
for I := 0 to RecordCount - 1 do
|
|
begin
|
|
ARecord := InternalRecords[I];
|
|
if ARecord <> nil then ARecord.RefreshRecordInfo;
|
|
end;
|
|
AssignEditingRecord;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewData.CheckNewItemRecord;
|
|
begin
|
|
if HasNewItemRecord then
|
|
CreateNewItemRecord
|
|
else
|
|
DestroyNewItemRecord;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewData.HasNewItemRecord: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
{ TcxGridTableCellViewInfo }
|
|
|
|
constructor TcxGridTableCellViewInfo.Create(ARecordViewInfo: TcxCustomGridRecordViewInfo);
|
|
begin
|
|
inherited Create(ARecordViewInfo.GridViewInfo);
|
|
FRecordViewInfo := ARecordViewInfo;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetCacheItem: TcxCustomGridTableViewInfoCacheItem;
|
|
begin
|
|
Result := FRecordViewInfo.CacheItem;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := GridView.Controller;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FRecordViewInfo.GridView;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetGridRecord: TcxCustomGridRecord;
|
|
begin
|
|
Result := FRecordViewInfo.GridRecord;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetSelected: Boolean;
|
|
begin
|
|
if not FSelectedCalculated then
|
|
begin
|
|
FSelected := CalculateSelected;
|
|
FSelectedCalculated := True;
|
|
end;
|
|
Result := FSelected;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := FRecordViewInfo.GridViewInfo;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.CalculateSelected: Boolean;
|
|
begin
|
|
Result := GridView.DrawDataCellSelected(GridRecord, nil, True, Self);
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetAlwaysSelected: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetCanvas: TcxCanvas;
|
|
begin
|
|
Result := GridViewInfo.Canvas;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetHitTestClass: TcxCustomGridHitTestClass;
|
|
begin
|
|
Result := TcxGridRecordHitTest;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.GetTransparent: Boolean;
|
|
begin {4}
|
|
Result := FRecordViewInfo.GetCellTransparent(Self);
|
|
end;
|
|
|
|
procedure TcxGridTableCellViewInfo.InitHitTest(AHitTest: TcxCustomGridHitTest);
|
|
begin
|
|
inherited;
|
|
TcxGridRecordHitTest(AHitTest).GridRecord := GridRecord;
|
|
end;
|
|
|
|
procedure TcxGridTableCellViewInfo.Calculate(ALeftBound, ATopBound: Integer;
|
|
AWidth: Integer = -1; AHeight: Integer = -1);
|
|
begin
|
|
FSelectedCalculated := False;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.CanDrawSelected: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridTableCellViewInfo.MouseDown(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
begin
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
GridViewInfo.AddActiveViewInfo(Self);
|
|
try
|
|
Result := FRecordViewInfo.MouseDown(AHitTest, AButton, AShift);
|
|
if Result and AGridView.ViewInfo.IsViewInfoActive(Self) then
|
|
inherited MouseDown(AHitTest, AButton, AShift);
|
|
finally
|
|
if AGridView <> nil then
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
AGridView.ViewInfo.RemoveActiveViewInfo(Self);
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
end;
|
|
|
|
{ TcxGridTableDataCellViewInfo }
|
|
|
|
constructor TcxGridTableDataCellViewInfo.Create(ARecordViewInfo: TcxCustomGridRecordViewInfo;
|
|
AItem: TcxCustomGridTableItem);
|
|
begin
|
|
inherited Create(ARecordViewInfo);
|
|
FItem := AItem;
|
|
FItem.AddCell(Self);
|
|
FProperties := FItem.GetProperties(GridRecord);
|
|
FEditViewInfo := CreateEditViewInfo; {3}
|
|
FStyle := FItem.GetCellStyle;
|
|
end;
|
|
|
|
destructor TcxGridTableDataCellViewInfo.Destroy;
|
|
begin
|
|
if FItem <> nil then
|
|
begin
|
|
if not GridView.IsDestroying then
|
|
FItem.ReleaseCellStyle;
|
|
FItem.RemoveCell(Self);
|
|
end;
|
|
FEditViewInfo.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetEditing: Boolean;
|
|
begin
|
|
Result := FItem.Editing and Focused;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetFocused: Boolean;
|
|
begin
|
|
Result := FItem.Focused and RecordViewInfo.Focused and (FItem.FocusedCellViewInfo = Self);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetMousePos: TPoint;
|
|
begin
|
|
Result := GridViewInfo.MousePos;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetProperties: TcxCustomEditProperties;
|
|
begin
|
|
Result := FProperties;
|
|
FItem.InitProperties(Result);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetShowButtons: Boolean;
|
|
begin
|
|
Result := FItem.ShowButtons(RecordViewInfo.Focused);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.AfterCustomDraw(ACanvas: TcxCanvas);
|
|
begin //inherited;exit;
|
|
FEditViewInfo.BackgroundColor := ACanvas.Brush.Color;
|
|
if FEditViewInfo is TcxCustomTextEditViewInfo then
|
|
with TcxCustomTextEditViewInfo(FEditViewInfo) do
|
|
begin
|
|
Font := ACanvas.Font;
|
|
TextColor := ACanvas.Font.Color;
|
|
end;
|
|
end;
|
|
{3}
|
|
procedure TcxGridTableDataCellViewInfo.BeforeCustomDraw(ACanvas: TcxCanvas);
|
|
begin //inherited;exit;
|
|
ACanvas.Brush.Color := FEditViewInfo.BackgroundColor;
|
|
if FEditViewInfo is TcxCustomTextEditViewInfo then
|
|
with TcxCustomTextEditViewInfo(FEditViewInfo) do
|
|
begin
|
|
ACanvas.Font := Font;
|
|
ACanvas.Font.Color := TextColor;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.CalculateEditViewInfo(AEditViewInfo: TcxCustomEditViewInfo;
|
|
const AMousePos: TPoint);
|
|
begin
|
|
InitStyle;
|
|
CreateEditViewData;
|
|
try
|
|
GetEditViewDataContentOffsets(FEditViewData.ContentOffset);
|
|
if AutoHeight or MultiLine then
|
|
begin
|
|
Include(FEditViewData.PaintOptions, epoAutoHeight);
|
|
FEditViewData.MaxLineCount := MaxLineCount;
|
|
end;
|
|
if ShowEndEllipsis then
|
|
Include(FEditViewData.PaintOptions, epoShowEndEllipsis);
|
|
FEditViewData.IsSelected := Selected;
|
|
AEditViewInfo.Transparent := Transparent; {4}
|
|
InitTextSelection;
|
|
FEditViewData.EditValueToDrawValue(Canvas, DisplayValue, AEditViewInfo);
|
|
FEditViewData.Calculate(Canvas, EditViewDataBounds, AMousePos, cxmbNone, [], AEditViewInfo, True);
|
|
finally
|
|
DestroyEditViewData;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CalculateHeight: Integer;
|
|
var
|
|
AEditSizeProperties: TcxEditSizeProperties;
|
|
begin
|
|
CalculateParams;
|
|
if FItem.CanAutoHeight then
|
|
begin
|
|
CreateEditViewData;
|
|
try
|
|
SetRectEmpty(FEditViewData.ContentOffset);
|
|
Include(FEditViewData.PaintOptions, epoAllowZeroHeight);
|
|
with AEditSizeProperties do
|
|
begin
|
|
Height := -1;
|
|
MaxLineCount := Self.MaxLineCount;
|
|
with TextAreaBounds do
|
|
Width := Right - Left;
|
|
Inc(Width, 2 * (cxGridCellTextOffset - cxGridEditOffset));
|
|
end;
|
|
Result := FEditViewData.GetEditSize(Canvas, DisplayValue, AEditSizeProperties).cy;
|
|
if Result <> 0 then
|
|
Inc(Result, 2 * cxGridEditOffset);
|
|
finally
|
|
DestroyEditViewData;
|
|
end;
|
|
end
|
|
else
|
|
Result := FItem.CalculateDefaultCellHeight(Canvas, Params.Font);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CalculateSelected: Boolean;
|
|
begin
|
|
Result := GridView.DrawDataCellSelected(GridRecord, FItem, True, Self);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CanShowHint: Boolean;
|
|
begin {9}
|
|
Result := GridView.OptionsBehavior.CellHints;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.CheckEditHotTrack(const AMousePos: TPoint);
|
|
var
|
|
AEditViewInfo: TcxCustomEditViewInfo;
|
|
ARegion: TcxRegion;
|
|
begin
|
|
AEditViewInfo := CreateEditViewInfo;
|
|
try
|
|
CalculateEditViewInfo(AEditViewInfo, AMousePos);
|
|
ARegion := FEditViewInfo.GetUpdateRegion(AEditViewInfo);
|
|
if not ARegion.IsEmpty then EditHotTrackChanged;
|
|
ARegion.Free;
|
|
finally
|
|
AEditViewInfo.Free;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CustomDraw(ACanvas: TcxCanvas): Boolean;
|
|
begin
|
|
Result := inherited CustomDraw(ACanvas);
|
|
if not Result then
|
|
begin
|
|
FItem.DoCustomDrawCell(ACanvas, Self, Result);
|
|
if not Result then
|
|
GridView.DoCustomDrawCell(ACanvas, Self, Result);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.DoCalculateParams;
|
|
begin
|
|
inherited;
|
|
InitStyle;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.EditHotTrackChanged;
|
|
var
|
|
AEditUpdateNeeded: Boolean;
|
|
begin
|
|
AEditUpdateNeeded := GridView.Controller.EditingController.EditUpdateNeeded;
|
|
Invalidate(True);
|
|
if not AEditUpdateNeeded then
|
|
GridView.Controller.EditingController.CancelEditUpdatePost;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetActivateEditOnMouseDown: Boolean;
|
|
begin
|
|
Result := HotTrack;
|
|
{Result := ShowButtons or (esoAlwaysHotTrack in Properties.GetSupportedOperations) and
|
|
(GridView.OptionsBehavior.ImmediateEditor or Focused);}
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetAutoHeight: Boolean;
|
|
begin
|
|
Result := RecordViewInfo.AutoHeight;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetBoundsForHint: TRect;
|
|
begin
|
|
Result := inherited GetBoundsForHint;
|
|
IntersectRect(Result, Result, RecordViewInfo.RecordsViewInfo.Bounds);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetDisplayValue: TcxEditValue;
|
|
begin
|
|
if {FEditViewData.IsValueSource}Properties.GetEditValueSource(False) = evsValue then
|
|
Result := GridRecord.Values[FItem.Index]
|
|
else
|
|
Result := GridRecord.DisplayTexts[FItem.Index];
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetEditBounds: TRect;
|
|
begin
|
|
Result := EditViewDataBounds;
|
|
InflateRect(Result, -cxGridEditOffset, -cxGridEditOffset);
|
|
if FItem.CanScroll then
|
|
with GridViewInfo.ScrollableAreaBoundsForEdit do
|
|
begin
|
|
//if Result.Left < Left then Result.Left := Left;
|
|
if Result.Right > Right then Result.Right := Right;
|
|
if Result.Bottom > Bottom then Result.Bottom := Bottom;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetEditViewDataBounds: TRect;
|
|
begin
|
|
Result := ContentBounds;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.GetEditViewDataContentOffsets(var R: TRect);
|
|
begin
|
|
with R do
|
|
begin
|
|
Left := cxGridEditOffset;
|
|
Top := cxGridEditOffset;
|
|
Right := cxGridEditOffset;
|
|
Bottom := cxGridEditOffset;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetHitTestClass: TcxCustomGridHitTestClass;
|
|
begin
|
|
Result := TcxGridRecordCellHitTest;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetHotTrack: Boolean;
|
|
begin
|
|
Result := ShowButtons or (esoAlwaysHotTrack in Properties.GetSupportedOperations) and
|
|
(GridView.OptionsBehavior.ImmediateEditor or Focused);
|
|
//Result := ShowButtons or (esoAlwaysHotTrack in Properties.GetSupportedOperations);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetMaxLineCount: Integer;
|
|
begin
|
|
Result := GridView.OptionsView.CellTextMaxLineCount;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetPainterClass: TcxCustomGridCellPainterClass;
|
|
begin
|
|
Result := TcxGridTableDataCellPainter;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetShowEndEllipsis: Boolean;
|
|
begin
|
|
Result := GridView.OptionsView.CellEndEllipsis;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetText: string;
|
|
begin {3}
|
|
//Result := ''//}GridRecord.DisplayTexts[FItem.Index];
|
|
if FEditViewInfo is TcxCustomTextEditViewInfo then
|
|
Result := TcxCustomTextEditViewInfo(FEditViewInfo).Text
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.GetValue: Variant;
|
|
begin
|
|
Result := GridRecord.Values[FItem.Index];
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.GetViewParams(var AParams: TcxViewParams);
|
|
begin
|
|
{3}
|
|
{with AParams do
|
|
begin
|
|
Color := clWindow;
|
|
TextColor := clWindowText;
|
|
Font := TcxCustomGrid(GridView.Control).Font;
|
|
end;}
|
|
GridView.Styles.GetDataCellParams(GridRecord, FItem, Params, True, Self);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.HasCustomDraw: Boolean;
|
|
begin
|
|
Result := FItem.HasCustomDrawCell or GridView.HasCustomDrawCell;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.InitHitTest(AHitTest: TcxCustomGridHitTest);
|
|
begin
|
|
inherited;
|
|
TcxGridRecordCellHitTest(AHitTest).Item := Item;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.InitTextSelection;
|
|
var
|
|
AIncSearchParams: TcxViewParams;
|
|
begin
|
|
with FEditViewData do
|
|
if IsTextSelected then
|
|
begin
|
|
SelStart := 0;
|
|
SelLength := Length(Controller.IncSearchingText);
|
|
GridView.Styles.GetViewParams(vsIncSearch, nil, nil, AIncSearchParams);
|
|
SelBackgroundColor := AIncSearchParams.Color;
|
|
SelTextColor := AIncSearchParams.TextColor;
|
|
end
|
|
else
|
|
SelLength := 0;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.InvalidateOnStateChange: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.IsTextSelected: Boolean;
|
|
begin
|
|
Result := RecordViewInfo.RecordsViewInfo.IncSearchingCellViewInfo = Self;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.MouseLeave;
|
|
begin
|
|
inherited;
|
|
if HotTrack then
|
|
CheckEditHotTrack(Bounds.BottomRight);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.NeedShowHint(const AMousePos: TPoint;
|
|
out AHintText: TCaption; out AIsHintMultiLine: Boolean; out ATextRect: TRect): Boolean;
|
|
var
|
|
AForm: TCustomForm;
|
|
begin
|
|
AForm := GetParentForm(GridView.Site);
|
|
Result := ((AForm = nil) or AForm.Active) and
|
|
FEditViewInfo.NeedShowHint(Canvas, AMousePos, GridViewInfo.ScrollableAreaBoundsForEdit,
|
|
AHintText, AIsHintMultiLine, ATextRect);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.Offset(DX, DY: Integer);
|
|
begin {2}
|
|
inherited;
|
|
FEditViewInfo.Offset(DX, DY);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.RestoreParams(const AParams: TcxViewParams);
|
|
begin
|
|
FEditViewInfo.BackgroundColor := AParams.Color;
|
|
if FEditViewInfo is TcxCustomTextEditViewInfo then
|
|
with TcxCustomTextEditViewInfo(FEditViewInfo) do
|
|
begin
|
|
Font := AParams.Font;
|
|
TextColor := AParams.TextColor;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.SaveParams(out AParams: TcxViewParams);
|
|
begin
|
|
AParams.Color := FEditViewInfo.BackgroundColor;
|
|
if FEditViewInfo is TcxCustomTextEditViewInfo then
|
|
with TcxCustomTextEditViewInfo(FEditViewInfo) do
|
|
begin
|
|
AParams.Font := Font;
|
|
AParams.TextColor := TextColor;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.StateChanged;
|
|
begin
|
|
inherited;
|
|
if State = gcsNone then EditHotTrackChanged;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.InitStyle;
|
|
begin
|
|
FItem.InitStyle(FStyle, Params, RecordViewInfo.Focused);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CreateEditViewInfo: TcxCustomEditViewInfo;
|
|
begin
|
|
Result := Properties.GetViewInfoClass.Create as TcxCustomEditViewInfo;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.CreateEditViewData;
|
|
begin
|
|
FEditViewData := FItem.GetEditViewData(GetProperties, FIsLocalCopyOfEditViewData);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.DestroyEditViewData;
|
|
begin
|
|
FItem.ReleaseEditViewData(FEditViewData, FIsLocalCopyOfEditViewData);
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.UpdateEdit;
|
|
begin
|
|
Controller.EditingController.UpdateEdit;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.BeforeRecalculation;
|
|
begin
|
|
GridViewInfo.UpdateMousePos;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.Calculate(ALeftBound, ATopBound: Integer;
|
|
AWidth: Integer = -1; AHeight: Integer = -1);
|
|
begin
|
|
inherited;
|
|
CalculateEditViewInfo(FEditViewInfo, MousePos); {3}
|
|
Text := GetText;
|
|
if not GridViewInfo.IsInternalUse and Editing then UpdateEdit;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.CanDrawSelected: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxGridTableDataCellViewInfo.Invalidate(ARecalculate: Boolean);
|
|
begin
|
|
if IsDestroying then Exit;
|
|
if ARecalculate then Recalculate;
|
|
inherited Invalidate;
|
|
{if ARecalculate then
|
|
GridRecord.Invalidate(FItem)
|
|
else
|
|
inherited Invalidate;}
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.MouseDown(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
AItem: TcxCustomGridTableItem;
|
|
AActivateEdit: Boolean;
|
|
begin
|
|
FWasFocusedBeforeClick := Focused;
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
AItem := FItem;
|
|
AActivateEdit := ActivateEditOnMouseDown;
|
|
Controller.AllowCheckEdit := False;
|
|
GridView.DontMakeMasterRecordVisible := True;
|
|
try
|
|
Result := inherited MouseDown(AHitTest, AButton, AShift);
|
|
if Result and not AItem.Controller.EditingController.IsErrorOnEditExit then
|
|
begin
|
|
AItem.Focused := True;
|
|
if (AButton = mbLeft) and (AShift * [ssCtrl, ssShift] = []) and AActivateEdit then
|
|
AItem.Controller.EditingController.ShowEdit(AItem, AShift, AHitTest.Pos.X, AHitTest.Pos.Y);
|
|
end;
|
|
finally
|
|
if AGridView <> nil then
|
|
begin
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
AItem.GridView.DontMakeMasterRecordVisible := False;
|
|
AItem.Controller.AllowCheckEdit := True;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.MouseMove(AHitTest: TcxCustomGridHitTest;
|
|
AShift: TShiftState): Boolean;
|
|
begin
|
|
Result := inherited MouseMove(AHitTest, AShift);
|
|
if HotTrack then
|
|
CheckEditHotTrack(AHitTest.Pos);
|
|
end;
|
|
|
|
function TcxGridTableDataCellViewInfo.MouseUp(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
|
|
procedure ShowEdit;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
begin
|
|
AGridView := GridView;
|
|
AGridView.DontMakeMasterRecordVisible := True;
|
|
try
|
|
Controller.EditingController.ShowEdit(FItem, AShift, AHitTest.Pos.X, AHitTest.Pos.Y);
|
|
finally
|
|
AGridView.DontMakeMasterRecordVisible := False;
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
inherited MouseUp(AHitTest, AButton, AShift);
|
|
Result := GridView.DoCellClick(Self, AButton, AShift);
|
|
if Result then Exit;
|
|
if (AButton = mbLeft) and (AShift * [ssCtrl, ssShift] = []) and Focused then
|
|
begin
|
|
if not Editing then
|
|
if GridView.OptionsBehavior.ImmediateEditor then
|
|
ShowEdit
|
|
else
|
|
if FWasFocusedBeforeClick and not Controller.IsDblClick then
|
|
Controller.EditingController.StartEditShowingTimer(FItem);
|
|
Result := True;
|
|
end;
|
|
end;
|
|
|
|
{ TcxCustomGridRecordViewInfo }
|
|
|
|
constructor TcxCustomGridRecordViewInfo.Create(ARecordsViewInfo: TcxCustomGridRecordsViewInfo;
|
|
ARecord: TcxCustomGridRecord);
|
|
begin
|
|
inherited Create(ARecordsViewInfo.GridViewInfo);
|
|
FRecordsViewInfo := ARecordsViewInfo;
|
|
FRecord := ARecord;
|
|
if FRecord <> nil then
|
|
begin
|
|
FIsRecordViewInfoAssigned := FRecord.ViewInfo <> nil;
|
|
if not FIsRecordViewInfoAssigned then
|
|
FRecord.FViewInfo := Self;
|
|
end;
|
|
end;
|
|
|
|
destructor TcxCustomGridRecordViewInfo.Destroy;
|
|
begin
|
|
if not FIsRecordViewInfoAssigned and (FRecord <> nil) then
|
|
FRecord.FViewInfo := nil;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetCacheItem: TcxCustomGridTableViewInfoCacheItem;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfoCacheItem(GridView.ViewInfoCache[FRecord.Index]);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetExpanded: Boolean;
|
|
begin
|
|
if not FExpandedCalculated then
|
|
begin
|
|
FExpanded := (FRecord <> nil) and FRecord.Expanded;
|
|
FExpandedCalculated := True;
|
|
end;
|
|
Result := FExpanded;
|
|
//Result := (FRecord <> nil) and FRecord.Expanded;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetFocused: Boolean;
|
|
begin
|
|
Result := GridView.DrawRecordFocused(GridRecord);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := GridViewInfo.GridView;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := FRecordsViewInfo.GridViewInfo;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetIndex: Integer;
|
|
begin
|
|
Result := FRecordsViewInfo.FItems.IndexOf(Self);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetSelected: Boolean;
|
|
begin
|
|
if not FSelectedCalculated then
|
|
begin
|
|
FSelected := CalculateSelected;
|
|
FSelectedCalculated := True;
|
|
end;
|
|
Result := FSelected;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.CalculateExpandButtonBounds(var ABounds: TRect);
|
|
begin
|
|
if IsRectEmpty(Bounds) then
|
|
ABounds := Rect(0, 0, 0, 0)
|
|
else
|
|
with ABounds do
|
|
begin
|
|
Inc(Left, GridViewInfo.ExpandButtonIndent);
|
|
Right := Left + GridViewInfo.ExpandButtonSize;
|
|
Top := (Top + Bottom - GridViewInfo.ExpandButtonSize) div 2;
|
|
Bottom := Top + GridViewInfo.ExpandButtonSize;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.CalculateSelected: Boolean;
|
|
begin
|
|
Result := GridView.DrawRecordSelected(GridRecord);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.ControlFocusChanged;
|
|
begin
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetAutoHeight: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetBackgroundBitmap: TBitmap;
|
|
begin
|
|
Result := FRecordsViewInfo.BackgroundBitmap;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetBackgroundBitmapBounds: TRect;
|
|
begin
|
|
Result := ContentBounds;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetCanvas: TcxCanvas;
|
|
begin
|
|
Result := FRecordsViewInfo.Canvas;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetCellTransparent(ACell: TcxGridTableCellViewInfo): Boolean;
|
|
begin
|
|
Result := Transparent;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetContentBounds: TRect;
|
|
begin
|
|
Result := Bounds;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetFocusRectBounds: TRect;
|
|
begin
|
|
Result := Bounds;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetHeight: Integer;
|
|
begin
|
|
if CacheItem.IsHeightAssigned then
|
|
Result := CacheItem.Height
|
|
else
|
|
begin
|
|
Result := CalculateHeight;
|
|
CacheItem.Height := Result;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetHideFocusRect: Boolean;
|
|
begin
|
|
Result := GridView.OptionsSelection.HideFocusRect;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetHitTestClass: TcxCustomGridHitTestClass;
|
|
begin
|
|
Result := TcxGridRecordHitTest;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetVisible: Boolean;
|
|
begin
|
|
Result := Index < FRecordsViewInfo.VisibleCount;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.HasFocusRect: Boolean;
|
|
begin
|
|
Result := GridView.OptionsSelection.InvertSelect;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.InitHitTest(AHitTest: TcxCustomGridHitTest);
|
|
begin
|
|
inherited;
|
|
(AHitTest as TcxGridRecordHitTest).GridRecord := GridRecord;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.IsClickHitTest(AHitTest: TcxCustomGridHitTest): Boolean;
|
|
begin
|
|
Result := (AHitTest as TcxGridRecordHitTest).CanClick;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.IsDetailVisible(ADetail: TcxCustomGridView): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.Offset(DX, DY: Integer);
|
|
begin {2}
|
|
inherited;
|
|
OffsetRect(FExpandButtonBounds, DX, DY);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.VisibilityChanged(AVisible: Boolean);
|
|
begin
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.BeforeRecalculation;
|
|
begin
|
|
inherited;
|
|
FRecordsViewInfo.BeforeItemRecalculation;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.Click(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
var
|
|
AGridView: TcxCustomGridTableView;
|
|
begin
|
|
AGridView := GridView;
|
|
AGridView.AddListenerLink(@AGridView);
|
|
try
|
|
GridViewInfo.Controller.FocusedRecord := GridRecord;
|
|
finally
|
|
if AGridView <> nil then
|
|
AGridView.RemoveListenerLink(@AGridView);
|
|
Result := AGridView <> nil; {!!!}
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetBoundsForInvalidate(AItem: TcxCustomGridTableItem): TRect;
|
|
begin
|
|
if AItem = nil then
|
|
Result := Bounds
|
|
else
|
|
Result := GetBoundsForItem(AItem);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetBoundsForItem(AItem: TcxCustomGridTableItem): TRect;
|
|
begin
|
|
Result := Rect(0, 0, 0, 0);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.GetCellViewInfoByItem(AItem: TcxCustomGridTableItem): TcxGridTableDataCellViewInfo;
|
|
begin
|
|
Result := nil;
|
|
end;
|
|
|
|
{procedure TcxCustomGridRecordViewInfo.GetDataCellViewParams(AItem: TcxCustomGridTableItem;
|
|
ACellViewInfo: TcxGridTableCellViewInfo; var AParams: TcxViewParams);
|
|
begin
|
|
RecordsViewInfo.GetDataCellViewParams(GridRecord, AItem, ACellViewInfo, AParams);
|
|
end;}
|
|
|
|
function TcxCustomGridRecordViewInfo.GetHitTest(const P: TPoint): TcxCustomGridHitTest;
|
|
begin
|
|
if GridRecord.Expandable and PtInRect(ExpandButtonAreaBounds, P) then
|
|
begin
|
|
Result := TcxGridExpandButtonHitTest.Instance(P);
|
|
InitHitTest(Result);
|
|
end
|
|
else
|
|
Result := inherited GetHitTest(P);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.MainCalculate(ALeftBound, ATopBound: Integer);
|
|
begin
|
|
FSelectedCalculated := False;
|
|
Calculate(ALeftBound, ATopBound, Width, Height);
|
|
if GridRecord.Expandable then
|
|
CalculateExpandButtonBounds(FExpandButtonBounds);
|
|
end;
|
|
|
|
function TcxCustomGridRecordViewInfo.MouseDown(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
begin
|
|
Result := inherited MouseDown(AHitTest, AButton, AShift);
|
|
if not Result then
|
|
if AButton = mbLeft then
|
|
case AHitTest.HitTestCode of
|
|
htExpandButton:
|
|
begin
|
|
with GridRecord do
|
|
Expanded := not Expanded;
|
|
Result := True;
|
|
end;
|
|
end;
|
|
if not Result and (AButton <> mbMiddle) and IsClickHitTest(AHitTest) and
|
|
GridView.Site.IsFocused then
|
|
Result := Click(AHitTest, AButton, AShift);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordViewInfo.Recalculate;
|
|
begin
|
|
BeforeRecalculation;
|
|
MainCalculate(Bounds.Left, Bounds.Top);
|
|
AfterRecalculation;
|
|
end;
|
|
|
|
{ TcxCustomGridRecordsViewInfo }
|
|
|
|
constructor TcxCustomGridRecordsViewInfo.Create(AGridViewInfo: TcxCustomGridTableViewInfo);
|
|
begin
|
|
inherited Create;
|
|
FGridViewInfo := AGridViewInfo;
|
|
CreateItems;
|
|
end;
|
|
|
|
destructor TcxCustomGridRecordsViewInfo.Destroy;
|
|
begin
|
|
DestroyItems;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetCanvas: TcxCanvas;
|
|
begin
|
|
Result := FGridViewInfo.Canvas;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := FGridViewInfo.Controller;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetCount: Integer;
|
|
begin
|
|
Result := FItems.Count;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetFirstRecordIndex: Integer;
|
|
begin
|
|
Result := FGridViewInfo.FirstRecordIndex;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FGridViewInfo.GridView;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetIncSearchingCellViewInfo: TcxGridTableDataCellViewInfo;
|
|
begin
|
|
if not FIsIncSearchingCellViewInfoCalculated then
|
|
FIncSearchingCellViewInfo := CalculateIncSearchingCellViewInfo;
|
|
Result := FIncSearchingCellViewInfo;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetItem(Index: Integer): TcxCustomGridRecordViewInfo;
|
|
begin
|
|
if Index < Count then
|
|
begin
|
|
Result := FItems[Index];
|
|
if Result.GridRecord = nil then
|
|
Result := nil;
|
|
end
|
|
else
|
|
begin
|
|
Result := CreateRecordViewInfo(Index);
|
|
FItems.Add(Result);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetMaxCount: Integer;
|
|
begin
|
|
if (FirstRecordIndex = -1) or (ViewData.RecordCount = 0) then
|
|
Result := 0
|
|
else
|
|
if GridViewInfo.CalculateDown then
|
|
Result := ViewData.RecordCount - FirstRecordIndex
|
|
else
|
|
Result := FirstRecordIndex + 1;
|
|
if Result < 0 then Result := 0;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetTopRecordIndex: Integer;
|
|
begin
|
|
Result := GridViewInfo.Controller.TopRecordIndex;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := FGridViewInfo.ViewData;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.CreateItems;
|
|
begin
|
|
FItems := TList.Create;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.DestroyItems;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Count - 1 do
|
|
TObject(FItems[I]).Free;
|
|
FItems.Free;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.CreateRecordViewInfo(AIndex: Integer): TcxCustomGridRecordViewInfo;
|
|
var
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
ARecord := ViewData.Records[GetRecordIndex(AIndex)];
|
|
Result := ARecord.GetViewInfoClass.Create(Self, ARecord);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.AfterCalculate;
|
|
begin
|
|
DestroyEditViewDatas;
|
|
if not FGridViewInfo.IsInternalUse and not FGridViewInfo.SizeCalculating then
|
|
Controller.EditingController.AfterViewInfoCalculate;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.BeforeCalculate;
|
|
begin
|
|
FBackgroundBitmap := GetBackgroundBitmap;
|
|
if not FGridViewInfo.IsInternalUse and not FGridViewInfo.SizeCalculating then
|
|
Controller.EditingController.BeforeViewInfoCalculate;
|
|
CreateEditViewDatas;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.BeforeItemRecalculation;
|
|
begin
|
|
GridViewInfo.UpdateMousePos;
|
|
FIsIncSearchingCellViewInfoCalculated := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.BeforeOffset;
|
|
begin
|
|
FIsIncSearchingCellViewInfoCalculated := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.Calculate;
|
|
begin
|
|
FBounds := CalculateBounds;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.CalculateBounds: TRect;
|
|
begin
|
|
Result := FGridViewInfo.ClientBounds;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.CalculateIncSearchingCellViewInfo: TcxGridTableDataCellViewInfo;
|
|
begin
|
|
if Controller.IsIncSearching then
|
|
begin
|
|
Result := Controller.IncSearchingItem.FocusedCellViewInfo;
|
|
FIsIncSearchingCellViewInfoCalculated := Result <> nil;
|
|
end
|
|
else
|
|
begin
|
|
Result := nil;
|
|
FIsIncSearchingCellViewInfoCalculated := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.CalculateVisibleCount;
|
|
begin {2}
|
|
FVisibleCount := 0;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.CreateEditViewDatas;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
with GridView do
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].DoCreateEditViewData;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.DestroyEditViewDatas;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
with GridView do
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].DoDestroyEditViewData;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetAutoRecordHeight: Boolean;
|
|
begin
|
|
Result := GridView.OptionsView.CellAutoHeight;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetBackgroundBitmap: TBitmap;
|
|
begin {4}
|
|
Result := GridView.BackgroundBitmaps.GetBitmap(bbContent);
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetAutoDataRecordHeight: Boolean;
|
|
begin
|
|
Result := AutoRecordHeight;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetRecordIndex(AViewInfoIndex: Integer): Integer;
|
|
begin
|
|
if FGridViewInfo.CalculateDown then
|
|
Result := FGridViewInfo.FirstRecordIndex + AViewInfoIndex
|
|
else
|
|
Result := FGridViewInfo.FirstRecordIndex - AViewInfoIndex;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetViewInfoIndex(ARecordIndex: Integer): Integer;
|
|
begin
|
|
if FGridViewInfo.CalculateDown then
|
|
Result := ARecordIndex - FGridViewInfo.FirstRecordIndex
|
|
else
|
|
Result := FGridViewInfo.FirstRecordIndex - ARecordIndex;
|
|
if (Result < -1) or (Result >= Count) then Result := -1
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.ControlFocusChanged;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Count - 1 do
|
|
if Items[I] <> nil then
|
|
Items[I].ControlFocusChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.VisibilityChanged(AVisible: Boolean);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Count - 1 do
|
|
if Items[I] <> nil then
|
|
Items[I].VisibilityChanged(AVisible);
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetPainterClass: TcxCustomGridRecordsPainterClass;
|
|
begin
|
|
Result := TcxCustomGridRecordsPainter;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.CanOffset(AItemCountDelta: Integer): Boolean;
|
|
begin {2}
|
|
Result := (Count <> 0) and (Abs(AItemCountDelta) < Count);
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetCellHeight(ACellContentHeight: Integer): Integer;
|
|
begin
|
|
Result := ACellContentHeight;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetHitTest(const P: TPoint): TcxCustomGridHitTest;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Count - 1 do
|
|
begin
|
|
Result := Items[I].GetHitTest(P);
|
|
if Result <> nil then Exit;
|
|
end;
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridRecordsViewInfo.GetRealItem(ARecord: TcxCustomGridRecord;
|
|
ARecordIndex: Integer): TcxCustomGridRecordViewInfo;
|
|
begin
|
|
ARecordIndex := GetViewInfoIndex(ARecordIndex);
|
|
if ARecordIndex = -1 then
|
|
Result := nil
|
|
else
|
|
Result := Items[ARecordIndex];
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.MainCalculate;
|
|
begin
|
|
BeforeCalculate;
|
|
Calculate;
|
|
AfterCalculate;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.Offset(AItemCountDelta: Integer);
|
|
var
|
|
AMoveCount: Integer;
|
|
|
|
procedure DeleteItems;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
if AItemCountDelta < 0 then
|
|
I := Count + AItemCountDelta
|
|
else
|
|
I := 0;
|
|
for I := I to I + Abs(AItemCountDelta) - 1 do
|
|
Items[I].Free;
|
|
end;
|
|
|
|
procedure OffsetItemsList;
|
|
var
|
|
AIndexFrom: Integer;
|
|
begin
|
|
if AItemCountDelta < 0 then
|
|
AIndexFrom := 0
|
|
else
|
|
AIndexFrom := AItemCountDelta;
|
|
with FItems do
|
|
System.Move(List[AIndexFrom], List[AIndexFrom - AItemCountDelta], SizeOf(Pointer) * AMoveCount);
|
|
end;
|
|
|
|
procedure OffsetItems;
|
|
var
|
|
AIndexFrom, I: Integer;
|
|
begin
|
|
if AItemCountDelta < 0 then
|
|
AIndexFrom := Abs(AItemCountDelta)
|
|
else
|
|
AIndexFrom := 0;
|
|
for I := AIndexFrom to AIndexFrom + AMoveCount - 1 do
|
|
OffsetItem(I, FItemsOffset);
|
|
end;
|
|
|
|
procedure CreateItems;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
if AItemCountDelta < 0 then
|
|
I := 0
|
|
else
|
|
I := Count - AItemCountDelta;
|
|
if Count > MaxCount then FItems.Count := MaxCount;
|
|
for I := I to I + Abs(AItemCountDelta) - 1 do
|
|
if I < Count then
|
|
begin
|
|
FItems[I] := CreateRecordViewInfo(I);
|
|
Items[I].MainCalculate(GetItemLeftBound(I), GetItemTopBound(I));
|
|
end;
|
|
end;
|
|
|
|
procedure CheckForAppearedItems;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Count - 1 do
|
|
if not Items[I].Calculated then
|
|
Items[I].MainCalculate(GetItemLeftBound(I), GetItemTopBound(I));
|
|
end;
|
|
|
|
begin {2}
|
|
FItemsOffset := 0;
|
|
if AItemCountDelta = 0 then Exit;
|
|
AMoveCount := Count - Abs(AItemCountDelta);
|
|
if AItemCountDelta > 0 then
|
|
FItemsOffset := GetItemsOffset(AItemCountDelta);
|
|
DeleteItems;
|
|
OffsetItemsList;
|
|
if AItemCountDelta > 0 then OffsetItems;
|
|
CreateItems;
|
|
if AItemCountDelta < 0 then
|
|
begin
|
|
FItemsOffset := GetItemsOffset(AItemCountDelta);
|
|
OffsetItems;
|
|
end;
|
|
CalculateVisibleCount;
|
|
CheckForAppearedItems;
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.Offset(DX, DY: Integer);
|
|
begin {2}
|
|
OffsetRect(FBounds, DX, DY);
|
|
end;
|
|
|
|
procedure TcxCustomGridRecordsViewInfo.Paint;
|
|
begin
|
|
with GetPainterClass.Create(Canvas, Self) do
|
|
try
|
|
MainPaint;
|
|
finally
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
{ TcxNavigatorSiteViewInfo }
|
|
|
|
function TcxNavigatorSiteViewInfo.GetGridViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited GridViewInfo);
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetNavigatorViewInfo: TcxNavigatorViewInfo;
|
|
begin
|
|
Result := GridViewInfo.NavigatorViewInfo;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.CalculateWidth: Integer;
|
|
begin
|
|
with GridViewInfo do
|
|
Result := NavigatorSize.X + NavigatorOffset;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetHitTestClass: TcxCustomGridHitTestClass;
|
|
begin
|
|
Result := TcxGridNavigatorHitTest;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetHotTrack: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetPainterClass: TcxCustomGridCellPainterClass;
|
|
begin
|
|
Result := TcxNavigatorSitePainter;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetVisible: Boolean;
|
|
begin
|
|
Result := GridViewInfo.GridView.OptionsView.Navigator;
|
|
end;
|
|
|
|
procedure TcxNavigatorSiteViewInfo.MouseLeave;
|
|
begin
|
|
inherited;
|
|
NavigatorViewInfo.MouseMove(-1, -1);
|
|
end;
|
|
|
|
procedure TcxNavigatorSiteViewInfo.GetViewParams(var AParams: TcxViewParams);
|
|
begin
|
|
AParams.Color := clBtnFace;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.GetWidth: Integer;
|
|
begin
|
|
Result := CalculateWidth;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.MouseDown(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
begin
|
|
with AHitTest.Pos do
|
|
NavigatorViewInfo.MouseDown(X, Y);
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.MouseMove(AHitTest: TcxCustomGridHitTest;
|
|
AShift: TShiftState): Boolean;
|
|
begin
|
|
inherited MouseMove(AHitTest, AShift);
|
|
with AHitTest.Pos do
|
|
NavigatorViewInfo.MouseMove(X, Y);
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxNavigatorSiteViewInfo.MouseUp(AHitTest: TcxCustomGridHitTest;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
begin
|
|
with AHitTest.Pos do
|
|
NavigatorViewInfo.MouseUp(X, Y);
|
|
Result := True;
|
|
end;
|
|
|
|
{ TcxCustomGridTableViewInfo }
|
|
|
|
constructor TcxCustomGridTableViewInfo.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FAllowCheckCoordinates := True;
|
|
FCalculateDown := True;
|
|
FFirstRecordIndex := RecordIndexNone;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := TcxCustomGridTableController(inherited Controller);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetExpandButtonSize: Integer;
|
|
begin
|
|
Result := LookAndFeelPainter.ExpandButtonSize;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetFirstRecordIndex: Integer;
|
|
begin
|
|
if FirstRecordIndexAssigned then
|
|
Result := FFirstRecordIndex
|
|
else
|
|
Result := Controller.TopRecordIndex;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetScrollableAreaWidth: Integer;
|
|
begin
|
|
with ScrollableAreaBoundsHorz do
|
|
Result := Right - Left;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := TcxCustomGridTableViewData(inherited ViewData);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetVisibleRecordCount: Integer;
|
|
begin
|
|
Result := FRecordsViewInfo.VisibleCount;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.NavigatorChanged(AChangeType: TcxNavigatorChangeType);
|
|
begin
|
|
case AChangeType of
|
|
nctSize:
|
|
GridView.SizeChanged;
|
|
nctLayout:
|
|
GridView.LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorBounds: TRect;
|
|
begin
|
|
Result := GetNavigatorSiteBounds;
|
|
Dec(Result.Right, NavigatorOffset);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorButtons: TcxCustomNavigatorButtons;
|
|
begin
|
|
Result := GridView.NavigatorButtons;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorCanvas: TCanvas;
|
|
begin
|
|
Result := Canvas.Canvas;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorControl: TWinControl;
|
|
begin
|
|
Result := Site;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorFocused: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorLookAndFeel: TcxLookAndFeel;
|
|
begin
|
|
if GridView.Control = nil then
|
|
Result := nil
|
|
else
|
|
Result := TcxCustomGrid(GridView.Control).LookAndFeel;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorOwner: TComponent;
|
|
begin
|
|
Result := GridView;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorShowHint: Boolean;
|
|
begin
|
|
Result := GridView.OptionsBehavior.NavigatorHints;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorTabStop: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.NavigatorButtonsStateChanged;
|
|
begin
|
|
FNavigatorViewInfo.UpdateButtonsEnabled;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.RefreshNavigator;
|
|
var
|
|
ASize: TPoint;
|
|
begin
|
|
if GridView.IsPattern then Exit;
|
|
FNavigatorViewInfo.MakeIsDirty;
|
|
ASize := FNavigatorSize;
|
|
FNavigatorViewInfo.CheckSize(ASize.X, ASize.Y);
|
|
if (FNavigatorSize.X <> ASize.X) or (FNavigatorSize.Y <> ASize.Y) then
|
|
GridView.LayoutChanged
|
|
else
|
|
GridView.ViewChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.CreateViewInfos;
|
|
begin
|
|
inherited;
|
|
FNavigatorSiteViewInfo := GetNavigatorSiteViewInfoClass.Create(Self);
|
|
if FNavigatorViewInfo = nil then
|
|
FNavigatorViewInfo := GetNavigatorViewInfoClass.Create(Self);
|
|
FRecordsViewInfo := GetRecordsViewInfoClass.Create(Self);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.DestroyViewInfos(AIsRecreating: Boolean);
|
|
begin
|
|
FreeAndNil(FRecordsViewInfo);
|
|
if not AIsRecreating then
|
|
FreeAndNil(FNavigatorViewInfo);
|
|
FreeAndNil(FNavigatorSiteViewInfo);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.AfterCalculating;
|
|
begin
|
|
//if CanCheckCoordinates then Controller.CheckCoordinates;
|
|
inherited;
|
|
if CanCheckCoordinates then Controller.DoCheckCoordinates;
|
|
if not IsInternalUse and not SizeCalculating then
|
|
Controller.PostCheckEdit;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.BeforeCalculating;
|
|
begin
|
|
inherited;
|
|
CalculateExpandButtonParams;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.BeforeOffset;
|
|
begin
|
|
FRecordsViewInfo.BeforeOffset;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.Calculate;
|
|
begin
|
|
FRecordsViewInfo.MainCalculate;
|
|
inherited;
|
|
if FNavigatorSiteViewInfo.Visible then
|
|
begin
|
|
with FNavigatorSize do
|
|
begin
|
|
X := 0;
|
|
with GetNavigatorSiteBounds do
|
|
Y := Bottom - Top;
|
|
FNavigatorViewInfo.CheckSize(X, Y);
|
|
end;
|
|
FNavigatorSiteViewInfo.Calculate(GetNavigatorSiteBounds);
|
|
FNavigatorViewInfo.Calculate;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.CalculateVisibleEqualHeightRecordCount: Integer;
|
|
begin
|
|
Result := -1;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.ControlFocusChanged;
|
|
begin
|
|
inherited;
|
|
RecordsViewInfo.ControlFocusChanged;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetDefaultGridModeBufferCount: Integer;
|
|
begin
|
|
Result := 0;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.GetHScrollBarBounds(var ABounds: TRect);
|
|
begin
|
|
inherited;
|
|
if FNavigatorSiteViewInfo.Visible then
|
|
Inc(ABounds.Left, FNavigatorSiteViewInfo.Width);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetIsInternalUse: Boolean;
|
|
begin
|
|
Result := inherited GetIsInternalUse or FirstRecordIndexAssigned;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorOffset: Integer;
|
|
begin
|
|
Result := GridView.OptionsView.NavigatorOffset;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorSiteBounds: TRect;
|
|
begin
|
|
Result := TcxControlAccess(Site).GetHScrollBarBounds;
|
|
with Result do
|
|
begin
|
|
Right := Left;
|
|
Left := Right - FNavigatorSiteViewInfo.Width;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorSiteViewInfoClass: TcxNavigatorSiteViewInfoClass;
|
|
begin
|
|
Result := TcxNavigatorSiteViewInfo;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNavigatorViewInfoClass: TcxNavigatorViewInfoClass;
|
|
begin
|
|
Result := TcxNavigatorViewInfo;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetScrollableAreaBounds: TRect;
|
|
begin
|
|
Result := ClientBounds;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetScrollableAreaBoundsForEdit: TRect;
|
|
begin
|
|
Result := ScrollableAreaBounds;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetScrollableAreaBoundsHorz: TRect;
|
|
begin
|
|
Result := ScrollableAreaBounds;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetScrollableAreaBoundsVert: TRect;
|
|
begin
|
|
Result := ScrollableAreaBounds;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.FirstRecordIndexAssigned: Boolean;
|
|
begin
|
|
Result := FFirstRecordIndex <> RecordIndexNone;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.Offset(ARecordCountDelta: Integer);
|
|
begin {2}
|
|
RecordsViewInfo.Offset(ARecordCountDelta);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.Offset(DX, DY: Integer);
|
|
begin {2}
|
|
RecordsViewInfo.Offset(DX, DY);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.VisibilityChanged(AVisible: Boolean);
|
|
begin
|
|
RecordsViewInfo.VisibilityChanged(AVisible);
|
|
inherited; // should be here for correct hiding (focus)
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.CalculateExpandButtonParams;
|
|
begin
|
|
FExpandButtonIndent := 3;
|
|
FLevelIndent := FExpandButtonIndent + ExpandButtonSize + FExpandButtonIndent;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.CanCheckCoordinates: Boolean;
|
|
begin
|
|
Result := not IsInternalUse and FAllowCheckCoordinates;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.CanOffset(ARecordCountDelta, DX, DY: Integer): Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.CanOffsetView(ARecordCountDelta: Integer): Boolean;
|
|
begin {2}
|
|
Result := RecordsViewInfo.CanOffset(ARecordCountDelta);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetHitTest(const P: TPoint): TcxCustomGridHitTest;
|
|
begin
|
|
if PtInRect(Site.ClientBounds, P) then
|
|
Result := RecordsViewInfo.GetHitTest(P)
|
|
else
|
|
Result := FNavigatorSiteViewInfo.GetHitTest(P);
|
|
if Result = nil then
|
|
Result := inherited GetHitTest(P);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfo.DoOffset(ARecordCountDelta, DX, DY: Integer);
|
|
begin {2}
|
|
if CanOffset(ARecordCountDelta, DX, DY) then
|
|
begin
|
|
Controller.BeforeOffset;
|
|
BeforeOffset;
|
|
if ARecordCountDelta <> 0 then
|
|
Offset(ARecordCountDelta)
|
|
else
|
|
Offset(DX, DY);
|
|
Controller.AfterOffset;
|
|
end
|
|
else
|
|
Recalculate;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetNearestPopupHeight(AHeight: Integer;
|
|
AAdditionalRecord: Boolean = False): Integer;
|
|
begin
|
|
Result := AHeight;
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfo.GetPopupHeight(ADropDownRecordCount: Integer): Integer;
|
|
begin
|
|
Result := 0;
|
|
end;
|
|
|
|
{ TcxCustomGridTableViewInfoCacheItem }
|
|
|
|
function TcxCustomGridTableViewInfoCacheItem.GetGridRecord: TcxCustomGridRecord;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfoCache(Owner).ViewData.Records[Index];
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfoCacheItem.SetHeight(Value: Integer);
|
|
begin
|
|
FHeight := Value;
|
|
IsHeightAssigned := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewInfoCacheItem.UnassignValues(AKeepMaster: Boolean);
|
|
begin
|
|
inherited;
|
|
IsHeightAssigned := False;
|
|
end;
|
|
|
|
{ TcxCustomGridTableViewInfoCache }
|
|
|
|
function TcxCustomGridTableViewInfoCache.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := TcxCustomGridTableViewData(inherited ViewData);
|
|
end;
|
|
|
|
function TcxCustomGridTableViewInfoCache.GetItemClass: TcxCustomGridViewInfoCacheItemClass;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfoCacheItem;
|
|
end;
|
|
|
|
{ TcxCustomGridTableItemCustomOptions }
|
|
|
|
constructor TcxCustomGridTableItemCustomOptions.Create(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
inherited Create;
|
|
FItem := AItem;
|
|
end;
|
|
|
|
function TcxCustomGridTableItemCustomOptions.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := FItem.GridView;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemCustomOptions.Changed;
|
|
begin
|
|
FItem.Changed(ticLayout);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemCustomOptions.Assign(Source: TPersistent);
|
|
begin
|
|
if not (Source is TcxCustomGridTableItemCustomOptions) then
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableItemOptions }
|
|
|
|
constructor TcxCustomGridTableItemOptions.Create(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
inherited;
|
|
FEditing := True;
|
|
FFiltering := True;
|
|
FFocusing := True;
|
|
FGrouping := True;
|
|
FIncSearch := True;
|
|
FMoving := True;
|
|
FSorting := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.SetEditing(Value: Boolean);
|
|
begin
|
|
if FEditing <> Value then
|
|
begin
|
|
FEditing := Value;
|
|
if not FEditing then FItem.Editing := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.SetFiltering(Value: Boolean);
|
|
begin
|
|
if FFiltering <> Value then
|
|
begin
|
|
FFiltering := Value;
|
|
GridView.RefreshFilterableItemsList;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.SetFocusing(Value: Boolean);
|
|
begin
|
|
if FFocusing <> Value then
|
|
begin
|
|
FFocusing := Value;
|
|
if not FFocusing then Item.Focused := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.SetIncSearch(Value: Boolean);
|
|
begin
|
|
if FIncSearch <> Value then
|
|
begin
|
|
if not Value and Item.IncSearching then
|
|
GridView.Controller.CancelIncSearching;
|
|
FIncSearch := Value;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.SetShowEditButtons(Value: TcxGridItemShowEditButtons);
|
|
begin
|
|
if FShowEditButtons <> Value then
|
|
begin
|
|
FShowEditButtons := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemOptions.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableItemOptions then
|
|
with TcxCustomGridTableItemOptions(Source) do
|
|
begin
|
|
Self.Editing := Editing;
|
|
Self.Filtering := Filtering;
|
|
Self.Focusing := Focusing;
|
|
Self.Grouping := Grouping;
|
|
Self.IncSearch := IncSearch;
|
|
Self.Moving := Moving;
|
|
Self.ShowEditButtons := ShowEditButtons;
|
|
Self.Sorting := Sorting;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableItemStyles }
|
|
|
|
function TcxCustomGridTableItemStyles.GetGridViewValue: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
function TcxCustomGridTableItemStyles.GetItem: TcxCustomGridTableItem;
|
|
begin
|
|
Result := TcxCustomGridTableItem(GetOwner);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemStyles.GetDefaultViewParams(Index: Integer; AData: TObject;
|
|
out AParams: TcxViewParams);
|
|
begin
|
|
case Index of
|
|
isContent:
|
|
GridView.Styles.GetRecordContentParams(TcxCustomGridRecord(AData), Item, AParams);
|
|
else
|
|
inherited;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableItemStyles.GetGridView: TcxCustomGridView;
|
|
begin
|
|
Result := Item.GridView;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemStyles.Assign(Source: TPersistent);
|
|
begin
|
|
inherited;
|
|
if Source is TcxCustomGridTableItemStyles then
|
|
with TcxCustomGridTableItemStyles(Source) do
|
|
begin
|
|
Self.Content := Content;
|
|
Self.OnGetContentStyle := OnGetContentStyle;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItemStyles.GetContentParams(ARecord: TcxCustomGridRecord;
|
|
out AParams: TcxViewParams);
|
|
var
|
|
AStyle: TcxStyle;
|
|
begin
|
|
AStyle := nil;
|
|
if (ARecord <> nil) and Assigned(FOnGetContentStyle) then
|
|
FOnGetContentStyle(GridView, ARecord, Item, AStyle);
|
|
GetViewParams(isContent, ARecord, AStyle, AParams);
|
|
end;
|
|
|
|
{ TcxCustomGridTableItem }
|
|
|
|
constructor TcxCustomGridTableItem.Create(AOwner: TComponent);
|
|
begin
|
|
inherited;
|
|
FCells := TList.Create;
|
|
FIndex := -1;
|
|
FMinWidth := cxGridItemDefaultMinWidth;
|
|
FVisibleIndex := -1;
|
|
CreateSubClasses;
|
|
end;
|
|
|
|
destructor TcxCustomGridTableItem.Destroy;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
RepositoryItem := nil;
|
|
FGridView.RemoveItem(Self);
|
|
if FLastUsedDefaultRepositoryItem <> nil then
|
|
ItemRemoved(FLastUsedDefaultRepositoryItem);
|
|
DestroySubClasses;
|
|
FreeAndNil(FEditData);
|
|
FreeAndNil(FCellStyle);
|
|
for I := 0 to CellCount - 1 do Cells[I].FItem := nil;
|
|
FCells.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetActualMinWidth: Integer;
|
|
begin
|
|
if CanHorzSize then
|
|
Result := FMinWidth
|
|
else
|
|
Result := 0;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetCaption: string;
|
|
begin
|
|
if FIsCaptionAssigned then
|
|
Result := FCaption
|
|
else
|
|
Result := DefaultCaption;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetCell(Index: Integer): TcxGridTableDataCellViewInfo;
|
|
begin
|
|
Result := FCells[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetCellCount: Integer;
|
|
begin
|
|
Result := FCells.Count;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := FGridView.Controller;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetDataController: TcxCustomDataController;
|
|
begin
|
|
Result := FGridView.DataController;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetEditing: Boolean;
|
|
begin
|
|
Result := Controller.EditingItem = Self;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetEditingProperties: TcxCustomEditProperties;
|
|
begin
|
|
if Controller.EditingController.IsEditing then
|
|
Result := TcxCustomEditAccess(Controller.EditingController.Edit).Properties
|
|
else
|
|
Result := GetProperties(Controller.FocusedRecord);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFilterCaption: string;
|
|
begin
|
|
Result := Caption; //!!!
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFiltered: Boolean;
|
|
begin
|
|
Result := FDataBinding.Filtered;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFocused: Boolean;
|
|
begin
|
|
Result := Controller.FocusedItem = Self;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetGroupIndex: Integer;
|
|
begin
|
|
Result := DataController.Groups.ItemGroupIndex[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetHeaderAlignmentHorz: TAlignment;
|
|
begin
|
|
if FIsHeaderAlignmentHorzAssigned then
|
|
Result := FHeaderAlignmentHorz
|
|
else
|
|
Result := DefaultHeaderAlignmentHorz;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetHeaderAlignmentVert: TcxAlignmentVert;
|
|
begin
|
|
if FIsHeaderAlignmentVertAssigned then
|
|
Result := FHeaderAlignmentVert
|
|
else
|
|
Result := DefaultHeaderAlignmentVert;
|
|
end;
|
|
|
|
{function TcxCustomGridTableItem.GetHidden: Boolean;
|
|
begin
|
|
Result := FHidden or IsPreview;
|
|
end;}
|
|
|
|
function TcxCustomGridTableItem.GetIsLoading: Boolean;
|
|
begin
|
|
Result := not FIgnoreLoadingStatus and
|
|
((csLoading in ComponentState) or FGridView.IsLoading);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetIncSearching: Boolean;
|
|
begin
|
|
Result := Controller.IncSearchingItem = Self;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetIsDestroying: Boolean;
|
|
begin
|
|
Result := csDestroying in ComponentState;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetIsFirst: Boolean;
|
|
begin
|
|
Result := VisibleIndex = 0;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetIsLast: Boolean;
|
|
begin
|
|
Result := VisibleIndex = FGridView.VisibleItemCount - 1;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetIsUpdating: Boolean;
|
|
begin
|
|
Result := csUpdating in ComponentState;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetMinWidth: Integer;
|
|
begin
|
|
if CanHorzSize then
|
|
Result := FMinWidth
|
|
else
|
|
Result := Width;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetPropertiesClassName: string;
|
|
begin
|
|
if FProperties = nil then
|
|
Result := ''
|
|
else
|
|
Result := FProperties.ClassName;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetSortIndex: Integer;
|
|
begin
|
|
Result := DataController.GetItemSortingIndex(Index);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetSortOrder: TcxGridSortOrder;
|
|
begin
|
|
Result := DataController.GetItemSortOrder(Index);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := FGridView.ViewData;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetWidth: Integer;
|
|
begin
|
|
if FIsWidthAssigned then
|
|
Result := FWidth
|
|
else
|
|
Result := DefaultWidth;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetCaption(const Value: string);
|
|
begin
|
|
if Caption <> Value then
|
|
begin
|
|
FCaption := Value;
|
|
FIsCaptionAssigned := True;
|
|
CaptionChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetDataBinding(Value: TcxGridItemDataBinding);
|
|
begin
|
|
FDataBinding.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetEditing(Value: Boolean);
|
|
begin
|
|
if Value then
|
|
Controller.EditingItem := Self
|
|
else
|
|
if Editing then
|
|
Controller.EditingItem := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetFiltered(Value: Boolean);
|
|
begin
|
|
FDataBinding.Filtered := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetFocused(Value: Boolean);
|
|
begin
|
|
if Value then
|
|
Controller.FocusedItem := Self
|
|
else
|
|
if Focused then
|
|
if not Controller.FocusNextItem(VisibleIndex, True, True, False) then
|
|
Controller.FocusedItem := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetGroupIndex(Value: Integer);
|
|
begin
|
|
if GroupIndex <> Value then
|
|
begin
|
|
ShowHourglassCursor;
|
|
try
|
|
if GroupIndex = -1 then
|
|
FWasVisibleBeforeGrouping := Visible;
|
|
DataController.Groups.ChangeGrouping(Index, Value);
|
|
finally
|
|
HideHourglassCursor;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetHeaderAlignmentHorz(Value: TAlignment);
|
|
begin
|
|
if HeaderAlignmentHorz <> Value then
|
|
begin
|
|
FHeaderAlignmentHorz := Value;
|
|
FIsHeaderAlignmentHorzAssigned := True;
|
|
Changed(ticLayout);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetHeaderAlignmentVert(Value: TcxAlignmentVert);
|
|
begin
|
|
if HeaderAlignmentVert <> Value then
|
|
begin
|
|
FHeaderAlignmentVert := Value;
|
|
FIsHeaderAlignmentVertAssigned := True;
|
|
Changed(ticLayout);
|
|
end;
|
|
end;
|
|
|
|
{procedure TcxCustomGridTableItem.SetHidden(Value: Boolean);
|
|
begin
|
|
if Hidden <> Value then
|
|
begin
|
|
FHidden := Value;
|
|
HiddenChanged;
|
|
end;
|
|
end;}
|
|
|
|
procedure TcxCustomGridTableItem.SetIndex(Value: Integer);
|
|
begin
|
|
FGridView.ChangeItemIndex(Self, Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetMinWidth(Value: Integer);
|
|
var
|
|
AWidthChanging: Boolean;
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
if FMinWidth <> Value then
|
|
begin
|
|
AWidthChanging := Width < Value;
|
|
FMinWidth := Value;
|
|
if IsLoading then Exit;
|
|
if Width < FMinWidth then
|
|
Width := FMinWidth
|
|
else
|
|
if AWidthChanging then Changed(ticSize);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetOnGetProperties(Value: TcxGridGetPropertiesEvent);
|
|
begin
|
|
if @FOnGetProperties <> @Value then
|
|
begin
|
|
FOnGetProperties := Value;
|
|
Changed(ticLayout);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetOptions(Value: TcxCustomGridTableItemOptions);
|
|
begin
|
|
FOptions.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetProperties(Value: TcxCustomEditProperties);
|
|
begin
|
|
if (FProperties <> nil) and (Value <> nil) then FProperties.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetPropertiesClass(Value: TcxCustomEditPropertiesClass);
|
|
begin
|
|
if FPropertiesClass <> Value then
|
|
begin
|
|
if FProperties <> nil then
|
|
Controller.EditingController.RemoveEdit(FProperties);
|
|
FPropertiesClass := Value;
|
|
RecreateProperties;
|
|
PropertiesValueChanged;
|
|
PropertiesChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetPropertiesClassName(const Value: string);
|
|
begin
|
|
PropertiesClass := TcxCustomEditPropertiesClass(GetRegisteredEditProperties.FindByClassName(Value));
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetRepositoryItem(Value: TcxEditRepositoryItem);
|
|
begin
|
|
if FRepositoryItem <> Value then
|
|
begin
|
|
if FRepositoryItem <> nil then
|
|
begin
|
|
FRepositoryItem.RemoveListener(Self);
|
|
Controller.EditingController.RemoveEdit(FRepositoryItem.Properties);
|
|
end;
|
|
FRepositoryItem := Value;
|
|
if FRepositoryItem <> nil then
|
|
FRepositoryItem.AddListener(Self);
|
|
PropertiesValueChanged;
|
|
PropertiesChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetSortIndex(Value: Integer);
|
|
begin
|
|
if SortIndex <> Value then
|
|
begin
|
|
ShowHourglassCursor;
|
|
try
|
|
DataController.ChangeItemSortingIndex(Index, Value);
|
|
finally
|
|
HideHourglassCursor;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetSortOrder(Value: TcxGridSortOrder);
|
|
begin
|
|
if SortOrder <> Value then
|
|
begin
|
|
ShowHourglassCursor;
|
|
try
|
|
DataController.ChangeSorting(Index, Value);
|
|
finally
|
|
HideHourglassCursor;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetStyles(Value: TcxCustomGridTableItemStyles);
|
|
begin
|
|
FStyles.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetVisible(Value: Boolean);
|
|
begin
|
|
if Visible <> Value then
|
|
begin
|
|
FVisible := Value;
|
|
GridView.ItemVisibilityChanged(Self, Value);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetVisibleIndex(Value: Integer);
|
|
var
|
|
AVisibleIndex: Integer;
|
|
begin
|
|
AVisibleIndex := GetVisibleIndex;
|
|
if (AVisibleIndex <> -1) and (AVisibleIndex <> Value) then
|
|
if Value = -1 then
|
|
begin
|
|
FGridView.FVisibleItems.Delete(AVisibleIndex);
|
|
FVisibleIndex := -1;
|
|
end
|
|
else
|
|
FGridView.FVisibleItems.Move(AVisibleIndex, Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetWidth(Value: Integer);
|
|
begin
|
|
CheckWidthValue(Value);
|
|
if IsLoading or (Width <> Value) then
|
|
begin
|
|
FWidth := Value;
|
|
FIsWidthAssigned := True;
|
|
Changed(ticSize);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ReadIsCaptionAssigned(Reader: TReader);
|
|
begin
|
|
FIsCaptionAssigned := Reader.ReadBoolean;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.WriteIsCaptionAssigned(Writer: TWriter);
|
|
begin
|
|
Writer.WriteBoolean(FIsCaptionAssigned);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.IsCaptionStored: Boolean;
|
|
begin
|
|
Result := FIsCaptionAssigned and (FCaption <> DefaultCaption);
|
|
end;
|
|
|
|
{function TcxCustomGridTableItem.IsHiddenStored: Boolean;
|
|
begin
|
|
Result := Hidden and not IsPreview;
|
|
end;}
|
|
|
|
function TcxCustomGridTableItem.IsWidthStored: Boolean;
|
|
begin
|
|
Result := FIsWidthAssigned //and (FWidth <> DefaultWidth);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetDataBindingClass: TcxGridItemDataBindingClass;
|
|
begin
|
|
Result := FGridView.GetItemDataBindingClass;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.CreateProperties;
|
|
begin
|
|
if FPropertiesClass <> nil then
|
|
begin
|
|
FProperties := FPropertiesClass.Create(Self);
|
|
TcxCustomEditPropertiesAccess(FProperties).OnPropertiesChanged := PropertiesChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DestroyProperties;
|
|
begin
|
|
FreeAndNil(FProperties);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.RecreateProperties;
|
|
begin
|
|
DestroyProperties;
|
|
CreateProperties;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DefineProperties(Filer: TFiler);
|
|
begin
|
|
inherited;
|
|
Filer.DefineProperty('IsCaptionAssigned', ReadIsCaptionAssigned, WriteIsCaptionAssigned,
|
|
FIsCaptionAssigned and (Caption = ''));
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetParentComponent(AParent: TComponent);
|
|
begin
|
|
if AParent is TcxCustomGridTableView then
|
|
TcxCustomGridTableView(AParent).AddItem(Self);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ItemRemoved(Sender: TcxEditRepositoryItem);
|
|
begin
|
|
if Sender = FLastUsedDefaultRepositoryItem then
|
|
PropertiesValueChanged
|
|
else
|
|
RepositoryItem := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.PropertiesChanged(Sender: TcxEditRepositoryItem);
|
|
begin
|
|
PropertiesChanged;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetObjectName: string;
|
|
begin
|
|
if GridView.IsStoringNameMode then
|
|
Result := IntToStr(ID)
|
|
else
|
|
Result := Name;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetStoredProperties(AProperties: TStrings): Boolean;
|
|
begin
|
|
with AProperties do
|
|
begin
|
|
Add('AlignmentHorz');
|
|
Add('Index');
|
|
Add('Visible');
|
|
//Add('Caption');
|
|
Add('SortOrder');
|
|
Add('SortIndex');
|
|
end;
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.GetPropertyValue(const AName: string; var AValue: Variant);
|
|
begin
|
|
if AName = 'AlignmentHorz' then
|
|
AValue := Integer(TcxCustomEditPropertiesAccess(GetProperties).Alignment.Horz)
|
|
else
|
|
if AName = 'Index' then
|
|
AValue := Index
|
|
else
|
|
if AName = 'Visible' then
|
|
AValue := Visible
|
|
else
|
|
{if AName = 'Caption' then
|
|
AValue := Caption
|
|
else}
|
|
if AName = 'SortOrder' then
|
|
AValue := SortOrder
|
|
else
|
|
if AName = 'SortIndex' then
|
|
AValue := SortIndex
|
|
else
|
|
AValue := Null;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetPropertyValue(const AName: string; const AValue: Variant);
|
|
begin
|
|
if AName = 'AlignmentHorz' then
|
|
if TcxCustomEditPropertiesAccess(GetProperties).Alignment.Horz <> AValue then
|
|
begin
|
|
if (FRepositoryItem = nil) and (FProperties = nil) then
|
|
PropertiesClass := TcxCustomEditPropertiesClass(GetProperties.ClassType);
|
|
TcxCustomEditPropertiesAccess(GetProperties).Alignment.Horz := AValue;
|
|
end
|
|
else
|
|
else
|
|
if AName = 'Index' then
|
|
Index := AValue
|
|
else
|
|
if AName = 'Visible' then
|
|
Visible := AValue
|
|
else
|
|
{if AName = 'Caption' then
|
|
Caption := AValue
|
|
else}
|
|
if AName = 'SortOrder' then
|
|
SortOrder := AValue
|
|
else
|
|
if AName = 'SortIndex' then
|
|
SortIndex := AValue;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.CreateDataBinding;
|
|
begin
|
|
FDataBinding := GetDataBindingClass.Create(Self);
|
|
with FDataBinding do
|
|
FDataBinding.ValueTypeClass := TcxStringValueType;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DestroyDataBinding;
|
|
begin
|
|
FreeAndNil(FDataBinding);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.CreateSubClasses;
|
|
begin
|
|
FOptions := GetOptionsClass.Create(Self);
|
|
FStyles := GetStylesClass.Create(Self);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DestroySubClasses;
|
|
begin
|
|
DestroyProperties;
|
|
FreeAndNil(FStyles);
|
|
FreeAndNil(FOptions);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.IsHeaderAlignmentHorzStored: Boolean;
|
|
begin
|
|
Result := FIsHeaderAlignmentHorzAssigned and
|
|
(FHeaderAlignmentHorz <> DefaultHeaderAlignmentHorz);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.IsHeaderAlignmentVertStored: Boolean;
|
|
begin
|
|
Result := FIsHeaderAlignmentVertAssigned and
|
|
(FHeaderAlignmentVert <> DefaultHeaderAlignmentVert);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanAutoHeight: Boolean;
|
|
begin
|
|
Result := esoAutoHeight in GetProperties.GetSupportedOperations;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanEdit: Boolean;
|
|
begin
|
|
Result := CanFocus and GridView.OptionsData.Editing and
|
|
FOptions.Editing and (FocusedCellViewInfo <> nil) and
|
|
(dceoShowEdit in DataController.EditOperations);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanFilter(ACheckGridViewOptions: Boolean): Boolean;
|
|
begin
|
|
Result := (esoFiltering in GetProperties.GetSupportedOperations) and Options.Filtering;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanFocus: Boolean;
|
|
begin
|
|
Result := ActuallyVisible and GridView.OptionsSelection.CellSelect and
|
|
FOptions.Focusing;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanGroup: Boolean;
|
|
begin
|
|
Result := (esoSorting in GetProperties.GetSupportedOperations) and
|
|
GridView.OptionsCustomize.ItemGrouping and FOptions.Grouping;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanHide: Boolean;
|
|
begin
|
|
Result := not (IsFirst and IsLast) and CanMove;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanHorzSize: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanIncSearch: Boolean;
|
|
begin
|
|
Result := (esoIncSearch in GetProperties.GetSupportedOperations) and
|
|
GridView.OptionsBehavior.IncSearch and FOptions.IncSearch;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanInitEditing: Boolean;
|
|
begin
|
|
Result := DataController.CanInitEditing(Index);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanMove: Boolean;
|
|
begin
|
|
Result := GridView.OptionsCustomize.ItemMoving and Options.Moving;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanScroll: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CanSort: Boolean;
|
|
begin
|
|
Result := (esoSorting in GetProperties.GetSupportedOperations) and
|
|
GridView.OptionsCustomize.ItemSorting and Options.Sorting;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.CaptionChanged;
|
|
begin
|
|
if ActuallyVisible or (GroupIndex <> -1) then Changed(ticLayout);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.Changed(AChange: TcxGridTableItemChange);
|
|
begin
|
|
if GridView <> nil then
|
|
case AChange of
|
|
ticLayout:
|
|
GridView.LayoutChanged;
|
|
ticSize:
|
|
GridView.SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.CheckWidthValue(var Value: Integer);
|
|
begin
|
|
if Value < ActualMinWidth then Value := ActualMinWidth;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DataChanged;
|
|
begin
|
|
FDataBinding.Init;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ForceWidth(Value: Integer);
|
|
begin
|
|
Controller.ForcingWidthItem := Self;
|
|
try
|
|
Width := Value;
|
|
finally
|
|
Controller.ForcingWidthItem := nil;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetActuallyVisible: Boolean;
|
|
begin
|
|
Result := Visible;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetBestFitWidth: Integer;
|
|
var
|
|
ACanvas: TcxCanvas;
|
|
AIsCalcByValue: Boolean;
|
|
AEditSizeProperties: TcxEditSizeProperties;
|
|
AParams: TcxViewParams;
|
|
AEditViewData: TcxCustomEditViewData;
|
|
I, AWidth: Integer;
|
|
ARecord: TcxCustomGridRecord;
|
|
AValue: Variant;
|
|
AEditMinContentSize: TSize;
|
|
|
|
function GetFirstRecordIndex: Integer;
|
|
begin
|
|
Result := GridView.OptionsBehavior.BestFitMaxRecordCount;
|
|
if Result <> 0 then
|
|
begin
|
|
Result := Controller.TopRecordIndex;
|
|
if Result < 0 then Result := 0;
|
|
end;
|
|
end;
|
|
|
|
function GetLastRecordIndex: Integer;
|
|
begin
|
|
Result := GridView.OptionsBehavior.BestFitMaxRecordCount;
|
|
if Result = 0 then
|
|
Result := ViewData.RecordCount
|
|
else
|
|
begin
|
|
Result := GetFirstRecordIndex + Result;
|
|
if Result > ViewData.RecordCount then
|
|
Result := ViewData.RecordCount;
|
|
end;
|
|
Dec(Result);
|
|
end;
|
|
|
|
begin
|
|
Result := 0;
|
|
ACanvas := FGridView.Painter.Canvas;
|
|
AIsCalcByValue := GetProperties.GetEditValueSource(False) = evsValue;
|
|
with AEditSizeProperties do
|
|
begin
|
|
Height := -1;
|
|
MaxLineCount := 0;
|
|
Width := -1;
|
|
end;
|
|
AEditViewData := CreateEditViewData(GetProperties);
|
|
try
|
|
for I := GetFirstRecordIndex to GetLastRecordIndex do
|
|
begin
|
|
ARecord := ViewData.Records[I];
|
|
if ARecord.HasCells then
|
|
begin
|
|
FStyles.GetContentParams(ARecord, AParams);
|
|
InitStyle(AEditViewData.Style, AParams, True);
|
|
if AIsCalcByValue then
|
|
AValue := ARecord.Values[FIndex]
|
|
else
|
|
AValue := ARecord.DisplayTexts[FIndex];
|
|
AWidth := AEditViewData.GetEditContentSize(ACanvas, AValue, AEditSizeProperties).cx;
|
|
if AWidth > Result then Result := AWidth;
|
|
end;
|
|
end;
|
|
|
|
FStyles.GetContentParams(nil, AParams);
|
|
InitStyle(AEditViewData.Style, AParams, True);
|
|
AWidth := AEditViewData.GetEditConstantPartSize(ACanvas, AEditSizeProperties,
|
|
AEditMinContentSize).cx;
|
|
if Result < AEditMinContentSize.cx then
|
|
Result := AEditMinContentSize.cx;
|
|
Inc(Result, AWidth);
|
|
finally
|
|
DestroyEditViewData(AEditViewData);
|
|
end;
|
|
if Result <> 0 then
|
|
Inc(Result, 2 * cxGridEditOffset);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetEditPartVisible: Boolean;
|
|
var
|
|
R: TRect;
|
|
begin
|
|
if CanScroll then
|
|
begin
|
|
R := GridView.ViewInfo.ScrollableAreaBoundsForEdit;
|
|
with FocusedCellViewInfo.EditBounds do
|
|
Result :=
|
|
(Left < R.Left) or (Right > R.Right) or
|
|
(Top < R.Top) or (Bottom > R.Bottom);
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetEditValue: Variant;
|
|
begin
|
|
if Controller.FocusedRecord <> nil then
|
|
Result := DataController.GetEditValue(Index, EditingProperties.GetEditValueSource(True))
|
|
else
|
|
Result := Unassigned;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFilterable: Boolean;
|
|
begin
|
|
Result := CanFilter(False);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.GetFilterDisplayText(const AValue: Variant;
|
|
var ADisplayText: string);
|
|
begin
|
|
if Assigned(FOnGetFilterDisplayText) then
|
|
FOnGetFilterDisplayText(Self, AValue, ADisplayText);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFixed: Boolean;
|
|
begin
|
|
Result := GridView.Controller.ForcingWidthItem = Self;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetFocusedCellViewInfo: TcxGridTableDataCellViewInfo;
|
|
begin
|
|
with Controller do
|
|
if FocusedRecordHasCells(False) and (FocusedRecord.ViewInfo <> nil) then
|
|
Result := FocusedRecord.ViewInfo.GetCellViewInfoByItem(Self)
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetPropertiesValue: TcxCustomEditProperties;
|
|
begin
|
|
if FLastUsedDefaultRepositoryItem <> nil then
|
|
begin
|
|
FLastUsedDefaultRepositoryItem.RemoveListener(Self);
|
|
FLastUsedDefaultRepositoryItem := nil;
|
|
end;
|
|
if FGridView = nil then // because of EditViewData - it needs Style which needs GridView
|
|
Result := nil
|
|
else
|
|
if UseOwnProperties then
|
|
Result := FProperties
|
|
else
|
|
if GetRepositoryItem = nil then
|
|
Result := nil
|
|
else
|
|
Result := GetRepositoryItem.Properties;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetVisible: Boolean;
|
|
begin
|
|
Result := FVisible;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetVisibleIndex: Integer;
|
|
begin
|
|
Result := FGridView.FVisibleItems.IndexOf(Self);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.HasCustomDrawCell: Boolean;
|
|
begin
|
|
Result := Assigned(FOnCustomDrawCell);
|
|
end;
|
|
|
|
{procedure TcxCustomGridTableItem.HiddenChanged;
|
|
begin
|
|
FGridView.RefreshCustomizationForm;
|
|
end;}
|
|
|
|
procedure TcxCustomGridTableItem.InitProperties(AProperties: TcxCustomEditProperties);
|
|
begin
|
|
if AProperties <> nil then
|
|
with TcxCustomEditPropertiesAccess(AProperties) do
|
|
begin
|
|
LockUpdate(True);
|
|
IDefaultValuesProvider := GetDefaultValuesProvider(AProperties);
|
|
LockUpdate(False);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.IsVisibleStored: Boolean;
|
|
begin
|
|
Result := not Visible;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.PropertiesChanged;
|
|
begin
|
|
if not IsDestroying then
|
|
GridView.RefreshFilterableItemsList;
|
|
if FEditData <> nil then FEditData.Clear;
|
|
if not IsDestroying then Changed(ticSize);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.PropertiesChanged(Sender: TObject);
|
|
begin
|
|
PropertiesChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.PropertiesValueChanged;
|
|
begin
|
|
FPropertiesValue := GetPropertiesValue;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.RecalculateDefaultWidth;
|
|
begin
|
|
if not FIsWidthAssigned then
|
|
FWidth := DefaultWidth;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetEditValue(const Value: Variant);
|
|
begin
|
|
DataController.SetEditValue(Index, Value, EditingProperties.GetEditValueSource(True));
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.SetGridView(Value: TcxCustomGridTableView);
|
|
begin
|
|
FGridView := Value;
|
|
if Value <> nil then
|
|
CreateDataBinding
|
|
else
|
|
DestroyDataBinding;
|
|
PropertiesValueChanged;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.ShowButtons(AFocused: Boolean): Boolean;
|
|
var
|
|
AGridShowEditButtons: TcxGridShowEditButtons;
|
|
begin
|
|
AGridShowEditButtons := FGridView.OptionsView.ShowEditButtons;
|
|
Result :=
|
|
(FOptions.ShowEditButtons = isebAlways) or
|
|
(FOptions.ShowEditButtons = isebDefault) and
|
|
((AGridShowEditButtons = gsebAlways) or
|
|
(AGridShowEditButtons = gsebForFocusedRecord) and AFocused);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.ShowOnUngrouping: Boolean;
|
|
begin
|
|
Result := True; //!!!
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetOptionsClass: TcxCustomGridTableItemOptionsClass;
|
|
begin
|
|
Result := TcxCustomGridTableItemOptions;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetStylesClass: TcxCustomGridTableItemStylesClass;
|
|
begin
|
|
Result := TcxCustomGridTableItemStyles;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.UseOwnProperties: Boolean;
|
|
begin
|
|
Result := (FRepositoryItem = nil) and (FProperties <> nil);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ValueTypeClassChanged;
|
|
begin
|
|
PropertiesValueChanged;
|
|
if FProperties <> nil then
|
|
TcxCustomEditPropertiesAccess(FProperties).Changed;
|
|
end;
|
|
|
|
{procedure TcxCustomGridTableItem.VisibleChanged;
|
|
begin
|
|
//FGridView.RefreshVisibleColumnsList;
|
|
//FGridView.RefreshCustomizationForm;
|
|
end;}
|
|
|
|
function TcxCustomGridTableItem.DefaultCaption: string;
|
|
begin
|
|
Result := FDataBinding.DefaultCaption;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.DefaultHeaderAlignmentHorz: TAlignment;
|
|
begin
|
|
Result := taLeftJustify;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.DefaultHeaderAlignmentVert: TcxAlignmentVert;
|
|
begin
|
|
Result := vaTop;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.DefaultRepositoryItem: TcxEditRepositoryItem;
|
|
begin
|
|
if FDataBinding = nil then
|
|
Result := nil
|
|
else
|
|
Result := FDataBinding.DefaultRepositoryItem;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.DefaultWidth: Integer;
|
|
begin
|
|
Result := FDataBinding.DefaultWidth;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetCellStyle: TcxEditStyle;
|
|
begin
|
|
if FCellStyle = nil then
|
|
FCellStyle := CreateEditStyle;
|
|
Result := FCellStyle;
|
|
Inc(FCellStyleUseCounter);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.InitStyle(AStyle: TcxCustomEditStyle;
|
|
AParams: TcxViewParams; AFocused: Boolean);
|
|
begin
|
|
with AParams do
|
|
begin
|
|
AStyle.Color := Color;
|
|
AStyle.Font := Font;
|
|
AStyle.StyleData.FontColor := TextColor;
|
|
end;
|
|
with AStyle do
|
|
begin
|
|
if Self.ShowButtons(AFocused) then
|
|
ButtonTransparency := ebtNone
|
|
else
|
|
ButtonTransparency := ebtHideInactive;
|
|
HotTrack := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ReleaseCellStyle;
|
|
begin
|
|
Dec(FCellStyleUseCounter);
|
|
if FCellStyleUseCounter = 0 then FreeAndNil(FCellStyle);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.AddCell(ACell: TcxGridTableDataCellViewInfo);
|
|
begin
|
|
FCells.Add(ACell);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.RemoveCell(ACell: TcxGridTableDataCellViewInfo);
|
|
begin
|
|
FCells.Remove(ACell);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CreateEditViewData(AProperties: TcxCustomEditProperties): TcxCustomEditViewData;
|
|
begin
|
|
if AProperties <> nil then
|
|
Result := AProperties.CreateViewData(GetCellStyle, True)
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DestroyEditViewData(var AEditViewData: TcxCustomEditViewData);
|
|
begin
|
|
if AEditViewData <> nil then
|
|
begin
|
|
FreeAndNil(AEditViewData);
|
|
ReleaseCellStyle;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DoCreateEditViewData;
|
|
begin
|
|
FEditViewData := CreateEditViewData(GetProperties);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DoDestroyEditViewData;
|
|
begin
|
|
DestroyEditViewData(FEditViewData);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetEditViewData(AProperties: TcxCustomEditProperties;
|
|
out AIsLocalCopy: Boolean): TcxCustomEditViewData;
|
|
begin
|
|
AIsLocalCopy := Assigned(FOnGetProperties) or (FEditViewData = nil);
|
|
if AIsLocalCopy then
|
|
Result := CreateEditViewData(AProperties)
|
|
else
|
|
Result := FEditViewData;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ReleaseEditViewData(var AEditViewData: TcxCustomEditViewData;
|
|
AIsLocalCopy: Boolean);
|
|
begin
|
|
if AIsLocalCopy then
|
|
DestroyEditViewData(AEditViewData)
|
|
else
|
|
AEditViewData := nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DoCustomDrawCell(ACanvas: TcxCanvas;
|
|
AViewInfo: TcxGridTableDataCellViewInfo; var ADone: Boolean);
|
|
begin
|
|
if HasCustomDrawCell then
|
|
FOnCustomDrawCell(GridView, ACanvas, AViewInfo, ADone);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DoGetDisplayText(ARecord: TcxCustomGridRecord;
|
|
var AText: string);
|
|
begin
|
|
if Assigned(FOnGetDisplayText) then FOnGetDisplayText(Self, ARecord, AText);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.DoGetFilterValues(AValueList: TcxDataFilterValueList);
|
|
begin
|
|
if Assigned(FOnGetFilterValues) then FOnGetFilterValues(Self, AValueList);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.DoGetProperties(ARecord: TcxCustomGridRecord): TcxCustomEditProperties;
|
|
begin
|
|
Result := FPropertiesValue;
|
|
if Assigned(FOnGetProperties) then FOnGetProperties(Self, ARecord, Result);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableItem then
|
|
with TcxCustomGridTableItem(Source) do
|
|
begin
|
|
Self.DataBinding := DataBinding;
|
|
Self.FIsCaptionAssigned := FIsCaptionAssigned;
|
|
Self.Caption := Caption;
|
|
Self.GroupIndex := GroupIndex;
|
|
Self.FIsHeaderAlignmentHorzAssigned := FIsHeaderAlignmentHorzAssigned;
|
|
Self.HeaderAlignmentHorz := HeaderAlignmentHorz;
|
|
Self.FIsHeaderAlignmentVertAssigned := FIsHeaderAlignmentVertAssigned;
|
|
Self.HeaderAlignmentVert := HeaderAlignmentVert;
|
|
Self.MinWidth := MinWidth;
|
|
Self.Options := Options;
|
|
Self.PropertiesClass := PropertiesClass;
|
|
Self.Properties := Properties;
|
|
Self.RepositoryItem := RepositoryItem;
|
|
Self.SortOrder := SortOrder;
|
|
Self.Styles := Styles;
|
|
Self.Tag := Tag;
|
|
Self.Visible := Visible;
|
|
Self.FIsWidthAssigned := FIsWidthAssigned;
|
|
Self.Width := Width;
|
|
Self.OnCustomDrawCell := OnCustomDrawCell;
|
|
Self.OnGetDisplayText := OnGetDisplayText;
|
|
Self.OnGetFilterDisplayText := OnGetFilterDisplayText;
|
|
Self.OnGetFilterValues := OnGetFilterValues;
|
|
Self.OnGetProperties := OnGetProperties;
|
|
end
|
|
else
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetParentComponent: TComponent;
|
|
begin
|
|
Result := FGridView;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.HasParent: Boolean;
|
|
begin
|
|
Result := FGridView <> nil;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.ApplyBestFit;
|
|
begin
|
|
if GridView.IsPattern then Exit;
|
|
ShowHourglassCursor;
|
|
try
|
|
ForceWidth(GetBestFitWidth);
|
|
Changed(ticSize);
|
|
finally
|
|
HideHourglassCursor;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CalculateDefaultCellHeight(ACanvas: TcxCanvas;
|
|
AFont: TFont): Integer;
|
|
var
|
|
AEditStyle: TcxCustomEditStyle;
|
|
AEditSizeProperties: TcxEditSizeProperties;
|
|
begin
|
|
AEditStyle := GetCellStyle;
|
|
try
|
|
AEditStyle.Font := AFont;
|
|
with AEditSizeProperties do
|
|
begin
|
|
Height := -1;
|
|
MaxLineCount := 0;
|
|
Width := -1;
|
|
end;
|
|
Result := GetProperties.GetEditSize(ACanvas, AEditStyle, True, Null, AEditSizeProperties).cy;
|
|
if Result <> 0 then
|
|
Inc(Result, 2 * cxGridEditOffset);
|
|
finally
|
|
ReleaseCellStyle;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.CreateEditStyle: TcxEditStyle;
|
|
begin
|
|
Result := GetProperties.GetStyleClass.Create(nil, True) as TcxEditStyle;
|
|
if GridView.Control <> nil then
|
|
Result.LookAndFeel.MasterLookAndFeel := TcxCustomGrid(GridView.Control).LookAndFeel;
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetDefaultValuesProvider(AProperties: TcxCustomEditProperties = nil): IcxEditDefaultValuesProvider;
|
|
begin
|
|
if FDataBinding = nil then
|
|
Result := nil
|
|
else
|
|
Result := FDataBinding.GetDefaultValuesProvider(AProperties);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetProperties: TcxCustomEditProperties;
|
|
begin
|
|
Result := FPropertiesValue;
|
|
InitProperties(Result);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetProperties(ARecord: TcxCustomGridRecord): TcxCustomEditProperties;
|
|
begin
|
|
Result := DoGetProperties(ARecord);
|
|
InitProperties(Result);
|
|
end;
|
|
|
|
function TcxCustomGridTableItem.GetRepositoryItem: TcxEditRepositoryItem;
|
|
begin
|
|
Result := FRepositoryItem;
|
|
if (Result = nil) and not IsDestroying then
|
|
begin
|
|
Result := DefaultRepositoryItem;
|
|
if Result <> nil then
|
|
begin
|
|
Result.AddListener(Self);
|
|
FLastUsedDefaultRepositoryItem := Result;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableItem.RestoreDefaults;
|
|
begin
|
|
FIsCaptionAssigned := False;
|
|
FIsWidthAssigned := False;
|
|
Changed(ticSize);
|
|
end;
|
|
|
|
{ TcxCustomGridTableBackgroundBitmaps }
|
|
|
|
function TcxCustomGridTableBackgroundBitmaps.GetBitmapStyleIndex(Index: Integer): Integer;
|
|
begin
|
|
if Index = bbContent then
|
|
Result := vsContent
|
|
else
|
|
Result := inherited GetBitmapStyleIndex(Index);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableBackgroundBitmaps.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableBackgroundBitmaps then
|
|
with TcxCustomGridTableBackgroundBitmaps(Source) do
|
|
Self.Content := Content;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableFiltering }
|
|
|
|
constructor TcxCustomGridTableFiltering.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FCustomizeDialog := True;
|
|
FMaxDropDownCount := cxGridFilterDefaultMaxDropDownCount;
|
|
FVisible := fvNonEmpty;
|
|
end;
|
|
|
|
function TcxCustomGridTableFiltering.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.SetCustomizeDialog(Value: Boolean);
|
|
begin
|
|
if FCustomizeDialog <> Value then
|
|
begin
|
|
FCustomizeDialog := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.SetDropDownWidth(Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
FDropDownWidth := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.SetMaxDropDownCount(Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
FMaxDropDownCount := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.SetVisible(Value: TcxGridTableFilterVisible);
|
|
begin
|
|
if FVisible <> Value then
|
|
begin
|
|
FVisible := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.FilterControlDialogApply(Sender: TObject);
|
|
begin
|
|
GridView.DataController.Filter.Active := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableFiltering then
|
|
with TcxCustomGridTableFiltering(Source) do
|
|
begin
|
|
Self.CustomizeDialog := CustomizeDialog;
|
|
Self.DropDownWidth := DropDownWidth;
|
|
Self.MaxDropDownCount := MaxDropDownCount;
|
|
Self.Visible := Visible;
|
|
end
|
|
else
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableFiltering.GetDropDownCount(AItemCount: Integer): Integer;
|
|
begin
|
|
Result := FMaxDropDownCount;
|
|
if (Result = 0) or (AItemCount < Result) then
|
|
Result := AItemCount;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableFiltering.RunCustomizeDialog(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
if (AItem = nil) or IsFilterControlDialogNeeded(GridView.DataController.Filter) then
|
|
ExecuteFilterControlDialog(GridView, TcxControlAccess(GridView.Control).LookAndFeel,
|
|
FilterControlDialogApply, GridView.OnFilterControlDialogShow)
|
|
else
|
|
if ShowFilterDialog(GridView.DataController.Filter, AItem,
|
|
AItem.GetProperties, AItem.FilterCaption, AItem.DataBinding.ValueTypeClass,
|
|
TcxCustomGrid(GridView.Control).LookAndFeel) then
|
|
GridView.DataController.Filter.Active := True;
|
|
end;
|
|
|
|
{ TcxCustomGridTableOptionsBehavior }
|
|
|
|
constructor TcxCustomGridTableOptionsBehavior.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FDragHighlighting := True;
|
|
FDragOpening := True;
|
|
FDragScrolling := True;
|
|
FImmediateEditor := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableOptionsBehavior.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsBehavior.SetBestFitMaxRecordCount(Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
FBestFitMaxRecordCount := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsBehavior.SetFocusCellOnTab(Value: Boolean);
|
|
begin
|
|
if FFocusCellOnTab <> Value then
|
|
begin
|
|
FFocusCellOnTab := Value;
|
|
with GridView.Site do
|
|
if FFocusCellOnTab then
|
|
Keys := Keys + [kTab]
|
|
else
|
|
Keys := Keys - [kTab];
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsBehavior.SetIncSearch(Value: Boolean);
|
|
begin
|
|
if FIncSearch <> Value then
|
|
begin
|
|
if not Value then
|
|
GridView.Controller.CancelIncSearching;
|
|
FIncSearch := Value;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsBehavior.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableOptionsBehavior then
|
|
with TcxCustomGridTableOptionsBehavior(Source) do
|
|
begin
|
|
Self.AlwaysShowEditor := AlwaysShowEditor;
|
|
Self.BestFitMaxRecordCount := BestFitMaxRecordCount;
|
|
Self.CellHints := CellHints;
|
|
Self.DragFocusing := DragFocusing;
|
|
Self.DragHighlighting := DragHighlighting;
|
|
Self.DragOpening := DragOpening;
|
|
Self.DragScrolling := DragScrolling;
|
|
Self.FocusCellOnCycle := FocusCellOnCycle;
|
|
Self.FocusCellOnTab := FocusCellOnTab;
|
|
Self.FocusFirstCellOnNewRecord := FocusFirstCellOnNewRecord;
|
|
Self.GoToNextCellOnEnter := GoToNextCellOnEnter;
|
|
Self.ImmediateEditor := ImmediateEditor;
|
|
Self.IncSearch := IncSearch;
|
|
Self.IncSearchItem := IncSearchItem;
|
|
Self.NavigatorHints := NavigatorHints;
|
|
Self.PullFocusing := PullFocusing;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableOptionsCustomize }
|
|
|
|
constructor TcxCustomGridTableOptionsCustomize.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FItemGrouping := True;
|
|
FItemMoving := True;
|
|
FItemSorting := True;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsCustomize.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableOptionsCustomize then
|
|
with TcxCustomGridTableOptionsCustomize(Source) do
|
|
begin
|
|
Self.ItemGrouping := ItemGrouping;
|
|
Self.ItemMoving := ItemMoving;
|
|
Self.ItemSorting := ItemSorting;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableOptionsData }
|
|
|
|
constructor TcxCustomGridTableOptionsData.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FCancelOnExit := True;
|
|
FDeleting := True;
|
|
FDeletingConfirmation := True;
|
|
FEditing := True;
|
|
FInserting := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableOptionsData.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsData.SetDeleting(Value: Boolean);
|
|
begin
|
|
if FDeleting <> Value then
|
|
begin
|
|
FDeleting := Value;
|
|
GridView.RefreshNavigators;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsData.SetEditing(Value: Boolean);
|
|
begin
|
|
if FEditing <> Value then
|
|
begin
|
|
FEditing := Value;
|
|
if not FEditing then
|
|
GridView.Controller.EditingItem := nil;
|
|
GridView.RefreshNavigators;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsData.SetInserting(Value: Boolean);
|
|
begin
|
|
if FInserting <> Value then
|
|
begin
|
|
FInserting := Value;
|
|
GridView.RefreshNavigators;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsData.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableOptionsData then
|
|
with TcxCustomGridTableOptionsData(Source) do
|
|
begin
|
|
Self.Appending := Appending;
|
|
Self.CancelOnExit := CancelOnExit;
|
|
Self.Deleting := Deleting;
|
|
Self.DeletingConfirmation := DeletingConfirmation;
|
|
Self.Editing := Editing;
|
|
Self.Inserting := Inserting;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableOptionsSelection }
|
|
|
|
constructor TcxCustomGridTableOptionsSelection.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FCellSelect := True;
|
|
FHideFocusRect := True;
|
|
FInvertSelect := True;
|
|
FUnselectFocusedRecordOnExit := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableOptionsSelection.GetMultiSelect: Boolean;
|
|
begin
|
|
Result := GridView.DataController.MultiSelect;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.SetCellSelect(Value: Boolean);
|
|
begin
|
|
if FCellSelect <> Value then
|
|
begin
|
|
FCellSelect := Value;
|
|
if FCellSelect then
|
|
GridView.Controller.FocusFirstAvailableItem
|
|
else
|
|
GridView.Controller.FocusedItem := nil;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.SetHideFocusRect(Value: Boolean);
|
|
begin
|
|
if FHideFocusRect <> Value then
|
|
begin
|
|
FHideFocusRect := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.SetHideSelection(Value: Boolean);
|
|
begin
|
|
if FHideSelection <> Value then
|
|
begin
|
|
FHideSelection := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.SetInvertSelect(Value: Boolean);
|
|
begin
|
|
if FInvertSelect <> Value then
|
|
begin
|
|
FInvertSelect := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.SetMultiSelect(Value: Boolean);
|
|
begin
|
|
GridView.DataController.MultiSelect := Value;
|
|
end;
|
|
|
|
function TcxCustomGridTableOptionsSelection.GridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsSelection.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableOptionsSelection then
|
|
with TcxCustomGridTableOptionsSelection(Source) do
|
|
begin
|
|
Self.CellSelect := CellSelect;
|
|
Self.HideFocusRect := HideFocusRect;
|
|
Self.HideSelection := HideSelection;
|
|
Self.InvertSelect := InvertSelect;
|
|
Self.MultiSelect := MultiSelect;
|
|
Self.UnselectFocusedRecordOnExit := UnselectFocusedRecordOnExit;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableOptionsView }
|
|
|
|
constructor TcxCustomGridTableOptionsView.Create(AGridView: TcxCustomGridView);
|
|
begin
|
|
inherited;
|
|
FNavigatorOffset := cxGridNavigatorDefaultOffset;
|
|
end;
|
|
|
|
function TcxCustomGridTableOptionsView.GetGridView: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetCellAutoHeight(Value: Boolean);
|
|
begin
|
|
if FCellAutoHeight <> Value then
|
|
begin
|
|
FCellAutoHeight := Value;
|
|
SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetCellEndEllipsis(Value: Boolean);
|
|
begin
|
|
if FCellEndEllipsis <> Value then
|
|
begin
|
|
FCellEndEllipsis := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetCellTextMaxLineCount(Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
if FCellTextMaxLineCount <> Value then
|
|
begin
|
|
FCellTextMaxLineCount := Value;
|
|
SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetItemCaptionAutoHeight(Value: Boolean);
|
|
begin
|
|
if FItemCaptionAutoHeight <> Value then
|
|
begin
|
|
FItemCaptionAutoHeight := Value;
|
|
ItemCaptionAutoHeightChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetItemCaptionEndEllipsis(Value: Boolean);
|
|
begin
|
|
if FItemCaptionEndEllipsis <> Value then
|
|
begin
|
|
FItemCaptionEndEllipsis := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetNavigator(Value: Boolean);
|
|
begin
|
|
if FNavigator <> Value then
|
|
begin
|
|
FNavigator := Value;
|
|
SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetNavigatorOffset(Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
if FNavigatorOffset <> Value then
|
|
begin
|
|
FNavigatorOffset := Value;
|
|
SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SetShowEditButtons(Value: TcxGridShowEditButtons);
|
|
begin
|
|
if FShowEditButtons <> Value then
|
|
begin
|
|
FShowEditButtons := Value;
|
|
LayoutChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.ItemCaptionAutoHeightChanged;
|
|
begin
|
|
SizeChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.SizeChanged;
|
|
begin
|
|
GridView.SizeChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableOptionsView.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomGridTableOptionsView then
|
|
with TcxCustomGridTableOptionsView(Source) do
|
|
begin
|
|
Self.CellAutoHeight := CellAutoHeight;
|
|
Self.CellEndEllipsis := CellEndEllipsis;
|
|
Self.CellTextMaxLineCount := CellTextMaxLineCount;
|
|
Self.ItemCaptionAutoHeight := ItemCaptionAutoHeight;
|
|
Self.ItemCaptionEndEllipsis := ItemCaptionEndEllipsis;
|
|
Self.Navigator := Navigator;
|
|
Self.NavigatorOffset := NavigatorOffset;
|
|
Self.ShowEditButtons := ShowEditButtons;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
{ TcxCustomGridTableViewStyles }
|
|
|
|
function TcxCustomGridTableViewStyles.GetGridViewValue: TcxCustomGridTableView;
|
|
begin
|
|
Result := TcxCustomGridTableView(inherited GetGridView);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.GetDefaultViewParams(Index: Integer; AData: TObject;
|
|
out AParams: TcxViewParams);
|
|
begin
|
|
inherited;
|
|
with AParams, LookAndFeelPainter do
|
|
case Index of
|
|
vsContent:
|
|
begin
|
|
Color := DefaultContentColor;
|
|
TextColor := DefaultContentTextColor;
|
|
end;
|
|
vsContentEven, vsContentOdd:
|
|
GetViewParams(vsContent, nil, nil, AParams);
|
|
vsInactive:
|
|
begin
|
|
if AData <> nil then
|
|
with TcxGridDataCellPos(AData) do
|
|
GetDataCellContentParams(GridRecord, Item, AParams);
|
|
Color := DefaultInactiveColor;
|
|
TextColor := DefaultInactiveTextColor;
|
|
end;
|
|
vsIncSearch:
|
|
begin
|
|
Color := clDefault;
|
|
TextColor := clDefault;
|
|
end;
|
|
vsSelection:
|
|
begin
|
|
if AData <> nil then
|
|
with TcxGridDataCellPos(AData) do
|
|
GetDataCellContentParams(GridRecord, Item, AParams);
|
|
Color := DefaultSelectionColor;
|
|
TextColor := DefaultSelectionTextColor;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.Assign(Source: TPersistent);
|
|
begin
|
|
inherited;
|
|
if Source is TcxCustomGridTableViewStyles then
|
|
with TcxCustomGridTableViewStyles(Source) do
|
|
begin
|
|
Self.Content := Content;
|
|
Self.ContentEven := ContentEven;
|
|
Self.ContentOdd := ContentOdd;
|
|
Self.Inactive := Inactive;
|
|
Self.IncSearch := IncSearch;
|
|
Self.Selection := Selection;
|
|
Self.OnGetContentStyle := OnGetContentStyle;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.GetContentParams(ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; out AParams: TcxViewParams);
|
|
const
|
|
StyleIndexes: array[Boolean] of Integer = (vsContentEven, vsContentOdd);
|
|
var
|
|
AStyle: TcxStyle;
|
|
ADataCellPos: TcxGridDataCellPos;
|
|
begin
|
|
AStyle := nil;
|
|
if (ARecord <> nil) and Assigned(FOnGetContentStyle) then
|
|
FOnGetContentStyle(GridView, ARecord, AItem, AStyle);
|
|
if (ARecord <> nil) and (GetValue(StyleIndexes[Odd(ARecord.Index)]) <> nil) then
|
|
begin
|
|
ADataCellPos := TcxGridDataCellPos.Create;
|
|
try
|
|
with ADataCellPos do
|
|
begin
|
|
GridRecord := ARecord;
|
|
Item := AItem;
|
|
end;
|
|
GetViewParams(StyleIndexes[Odd(ARecord.Index)], ADataCellPos, AStyle, AParams);
|
|
finally
|
|
ADataCellPos.Free;
|
|
end;
|
|
end
|
|
else
|
|
GetViewParams(vsContent, ARecord, AStyle, AParams);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.GetDataCellContentParams(ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; out AParams: TcxViewParams);
|
|
begin
|
|
if AItem = nil then
|
|
GetRecordContentParams(ARecord, AItem, AParams)
|
|
else
|
|
AItem.Styles.GetContentParams(ARecord, AParams);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.GetDataCellParams(ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; out AParams: TcxViewParams;
|
|
AUseViewInfo: Boolean = False; ACellViewInfo: TcxGridTableCellViewInfo = nil);
|
|
var
|
|
ADataCellPos: TcxGridDataCellPos;
|
|
begin
|
|
if AUseViewInfo and ACellViewInfo.Selected or
|
|
not AUseViewInfo and GridView.DrawDataCellSelected(ARecord, AItem, False, nil) then
|
|
begin
|
|
ADataCellPos := TcxGridDataCellPos.Create;
|
|
try
|
|
with ADataCellPos do
|
|
begin
|
|
GridRecord := ARecord;
|
|
Item := AItem;
|
|
end;
|
|
if GridView.DrawRecordActive(ARecord) then
|
|
GetViewParams(vsSelection, ADataCellPos, nil, AParams)
|
|
else
|
|
GetViewParams(vsInactive, ADataCellPos, nil, AParams);
|
|
finally
|
|
ADataCellPos.Free;
|
|
end;
|
|
end
|
|
else
|
|
GetDataCellContentParams(ARecord, AItem, AParams);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableViewStyles.GetRecordContentParams(ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; out AParams: TcxViewParams);
|
|
begin
|
|
GetContentParams(ARecord, AItem, AParams);
|
|
end;
|
|
|
|
{ TcxCustomGridTableView }
|
|
|
|
destructor TcxCustomGridTableView.Destroy;
|
|
begin
|
|
Controller.EditingController.EditingItem := nil;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetBackgroundBitmaps: TcxCustomGridTableBackgroundBitmaps;
|
|
begin
|
|
Result := TcxCustomGridTableBackgroundBitmaps(inherited BackgroundBitmaps);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetController: TcxCustomGridTableController;
|
|
begin
|
|
Result := TcxCustomGridTableController(inherited Controller);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetDataController: TcxGridDataController;
|
|
begin
|
|
Result := TcxGridDataController(inherited DataController);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterableItem(Index: Integer): TcxCustomGridTableItem;
|
|
begin
|
|
Result := FFilterableItems[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterableItemCount: Integer;
|
|
begin
|
|
Result := FFilterableItems.Count;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetGroupedItem(Index: Integer): TcxCustomGridTableItem;
|
|
begin
|
|
Result := Items[DataController.Groups.GroupingItemIndex[Index]];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetGroupedItemCount: Integer;
|
|
begin
|
|
Result := DataController.Groups.GroupingItemCount;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetItem(Index: Integer): TcxCustomGridTableItem;
|
|
begin
|
|
Result := FItems[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetItemCount: Integer;
|
|
begin
|
|
Result := FItems.Count;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetMasterGridRecord: TcxCustomGridRecord;
|
|
begin
|
|
if MasterGridRecordIndex = -1 then
|
|
Result := nil
|
|
else
|
|
Result := (MasterGridView as TcxCustomGridTableView).ViewData.Records[MasterGridRecordIndex];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetOptionsSelection: TcxCustomGridTableOptionsSelection;
|
|
begin
|
|
Result := TcxCustomGridTableOptionsSelection(inherited OptionsSelection);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetOptionsView: TcxCustomGridTableOptionsView;
|
|
begin
|
|
Result := TcxCustomGridTableOptionsView(inherited OptionsView);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetPainter: TcxCustomGridTablePainter;
|
|
begin
|
|
Result := TcxCustomGridTablePainter(inherited Painter);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetNavigatorButtonsControl: IcxNavigator;
|
|
begin
|
|
Result := Self;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetSortedItem(Index: Integer): TcxCustomGridTableItem;
|
|
begin
|
|
Result := Items[DataController.GetSortingItemIndex(Index)];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetSortedItemCount: Integer;
|
|
begin
|
|
Result := DataController.GetSortingItemCount;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetStyles: TcxCustomGridTableViewStyles;
|
|
begin
|
|
Result := TcxCustomGridTableViewStyles(inherited Styles);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetViewData: TcxCustomGridTableViewData;
|
|
begin
|
|
Result := TcxCustomGridTableViewData(inherited ViewData);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetViewInfo: TcxCustomGridTableViewInfo;
|
|
begin
|
|
Result := TcxCustomGridTableViewInfo(inherited ViewInfo);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetVisibleItem(Index: Integer): TcxCustomGridTableItem;
|
|
begin
|
|
Result := FVisibleItems[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetVisibleItemCount: Integer;
|
|
begin
|
|
Result := FVisibleItems.Count;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetBackgroundBitmaps(Value: TcxCustomGridTableBackgroundBitmaps);
|
|
begin
|
|
inherited BackgroundBitmaps := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetDataController(Value: TcxGridDataController);
|
|
begin
|
|
DataController.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetFiltering(Value: TcxCustomGridTableFiltering);
|
|
begin
|
|
FFiltering.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetItem(Index: Integer; Value: TcxCustomGridTableItem);
|
|
begin
|
|
Items[Index].Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetNavigatorButtons(Value: TcxNavigatorControlButtons);
|
|
begin
|
|
FNavigatorButtons.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetOptionsBehavior(Value: TcxCustomGridTableOptionsBehavior);
|
|
begin
|
|
FOptionsBehavior.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetOptionsCustomize(Value: TcxCustomGridTableOptionsCustomize);
|
|
begin
|
|
FOptionsCustomize.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetOptionsData(Value: TcxCustomGridTableOptionsData);
|
|
begin
|
|
FOptionsData.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetOptionsSelection(Value: TcxCustomGridTableOptionsSelection);
|
|
begin
|
|
inherited OptionsSelection := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetOptionsView(Value: TcxCustomGridTableOptionsView);
|
|
begin
|
|
inherited OptionsView := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetStyles(Value: TcxCustomGridTableViewStyles);
|
|
begin
|
|
inherited Styles := Value;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.CopyForEachRowProc(ARowIndex: Integer; ARowInfo: TcxRowInfo);
|
|
var
|
|
I, C, AIndex: Integer;
|
|
begin
|
|
C := VisibleItemCount - 1;
|
|
for I := 0 to C do
|
|
begin
|
|
AIndex := VisibleItems[I].Index;
|
|
FCopyToClipboardStr := FCopyToClipboardStr + DataController.GetRowDisplayText(ARowInfo, AIndex);
|
|
if ARowInfo.Level < DataController.Groups.GroupingItemCount then // it's group
|
|
Break;
|
|
if I <> C then
|
|
FCopyToClipboardStr := FCopyToClipboardStr + ColumnSeparator;
|
|
end;
|
|
FCopyToClipboardStr := FCopyToClipboardStr + EndOfLine;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RefreshItemIndexes;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].FIndex := I;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterCaption(Index: Integer): string;
|
|
begin
|
|
Result := FilterableItems[Index].Caption;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterCount: Integer;
|
|
begin
|
|
Result := FilterableItemCount;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterCriteria: TcxFilterCriteria;
|
|
begin
|
|
Result := DataController.Filter;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterFieldName(Index: Integer): string;
|
|
begin
|
|
Result := '';
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterItemLink(Index: Integer): TObject;
|
|
begin
|
|
Result := FilterableItems[Index];
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterItemLinkID(Index: Integer): Integer;
|
|
begin
|
|
Result := FilterableItems[Index].ID;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterItemLinkName(Index: Integer): string;
|
|
begin
|
|
Result := FilterableItems[Index].Name;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterProperties(Index: Integer): TcxCustomEditProperties;
|
|
begin
|
|
Result := FilterableItems[Index].GetProperties;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetFilterValueType(Index: Integer): TcxValueTypeClass;
|
|
begin
|
|
Result := FilterableItems[Index].DataBinding.ValueTypeClass;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsActive: Boolean;
|
|
begin
|
|
Result := DataController.Active;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsBof: Boolean;
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIcxGridDataController) then
|
|
Result := AIcxGridDataController.GetNavigatorIsBof
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsEof: Boolean;
|
|
var
|
|
AIcxGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIcxGridDataController) then
|
|
Result := AIcxGridDataController.GetNavigatorIsEof
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorCanAppend: Boolean;
|
|
begin
|
|
Result := Controller.CanAppend(True);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorCanEdit: Boolean;
|
|
begin
|
|
Result := Controller.CanEdit;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorCanDelete: Boolean;
|
|
begin
|
|
Result := Controller.CanDelete(True);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorCanInsert: Boolean;
|
|
begin
|
|
Result := Controller.CanInsert(True);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsEditing: Boolean;
|
|
begin
|
|
Result := DataController.IsEditing;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.NavigatorClearBookmark;
|
|
begin
|
|
DataController.ClearBookmark;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsBookmarkAvailable: Boolean;
|
|
begin
|
|
Result := DataController.IsBookmarkAvailable;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.NavigatorDoAction(AButtonIndex: Integer);
|
|
begin
|
|
case AButtonIndex of
|
|
NBDI_FIRST:
|
|
Controller.GoToFirst;
|
|
NBDI_PRIORPAGE:
|
|
Controller.FocusPrevPage(True);
|
|
NBDI_PRIOR:
|
|
Controller.GoToPrev(False);
|
|
NBDI_NEXT:
|
|
Controller.GoToNext(False);
|
|
NBDI_NEXTPAGE:
|
|
Controller.FocusNextPage(True);
|
|
NBDI_LAST:
|
|
Controller.GoToLast(False);
|
|
NBDI_INSERT, NBDI_APPEND:
|
|
Controller.CreateNewRecord(AButtonIndex = NBDI_APPEND);
|
|
NBDI_DELETE:
|
|
Controller.DeleteSelection;
|
|
NBDI_EDIT:
|
|
begin
|
|
DataController.Edit;
|
|
Controller.FocusedItem.Editing := True;
|
|
end;
|
|
NBDI_POST:
|
|
begin
|
|
Controller.EditingController.UpdateValue;
|
|
DataController.Post;
|
|
end;
|
|
NBDI_CANCEL:
|
|
DataController.Cancel;
|
|
NBDI_REFRESH:
|
|
DataController.RefreshExternalData;
|
|
NBDI_SAVEBOOKMARK:
|
|
DataController.SaveBookmark;
|
|
NBDI_GOTOBOOKMARK:
|
|
DataController.GotoBookmark;
|
|
NBDI_FILTER:
|
|
FFiltering.RunCustomizeDialog;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorGetNotifier: TcxNavigatorControlNotifier;
|
|
begin
|
|
Result := FNavigatorNotifier;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.NavigatorIsActionSupported(AButtonIndex: Integer): Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetProperties(AProperties: TStrings): Boolean;
|
|
|
|
procedure AddFilter;
|
|
begin
|
|
with AProperties do
|
|
begin
|
|
Add('FilterActive');
|
|
Add('FilterAutoDataSetFilter');
|
|
Add('FilterDateTimeFormat');
|
|
Add('FilterMaxValueListCount');
|
|
Add('FilterOptions');
|
|
Add('FilterPercentWildcard');
|
|
Add('FilterUnderscoreWildcard');
|
|
Add('Filter');
|
|
end;
|
|
end;
|
|
|
|
procedure AddSummary;
|
|
begin
|
|
with AProperties do
|
|
Add('SummaryOptions');
|
|
end;
|
|
|
|
begin
|
|
if gsoUseFilter in StorageOptions then
|
|
AddFilter;
|
|
if gsoUseSummary in StorageOptions then
|
|
AddSummary;
|
|
Result := inherited GetProperties(AProperties);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.GetPropertyValue(const AName: string;
|
|
var AValue: Variant);
|
|
|
|
function GetFilter: Boolean;
|
|
var
|
|
AString: string;
|
|
AStream: TMemoryStream;
|
|
AFilterCriteriaOptions: TcxFilterCriteriaOptions;
|
|
begin
|
|
Result := True;
|
|
if AName = 'FilterActive' then
|
|
AValue := DataController.Filter.Active
|
|
else
|
|
if AName = 'FilterDateTimeFormat' then
|
|
AValue := DataController.Filter.DateTimeFormat
|
|
else
|
|
if AName = 'FilterMaxValueListCount' then
|
|
AValue := DataController.Filter.MaxValueListCount
|
|
else
|
|
if AName = 'FilterOptions' then
|
|
begin
|
|
AFilterCriteriaOptions := DataController.Filter.Options;
|
|
AValue := SetToString(AFilterCriteriaOptions, SizeOf(AFilterCriteriaOptions),
|
|
['fcoCaseInsensitive', 'fcoShowOperatorDescription', 'fcoSoftNull', 'fcoSoftCompare']);
|
|
end
|
|
else
|
|
if AName = 'FilterPercentWildcard' then
|
|
AValue := DataController.Filter.PercentWildcard
|
|
else
|
|
if AName = 'FilterUnderscoreWildcard' then
|
|
AValue := DataController.Filter.UnderscoreWildcard
|
|
else
|
|
if AName = 'Filter' then
|
|
begin
|
|
AStream := TMemoryStream.Create;
|
|
try
|
|
TcxFilterCriteriaAccess(DataController.Filter).WriteData(AStream);
|
|
AStream.Position := 0;
|
|
SetLength(AString, AStream.Size);
|
|
AStream.ReadBuffer(AString[1], AStream.Size);
|
|
AValue := 'Hex:' + StringToHexString(AString);
|
|
finally
|
|
AStream.Free;
|
|
end;
|
|
end
|
|
else
|
|
Result := (DataController as IcxGridDataController).GetFilterPropertyValue(AName, AValue);
|
|
end;
|
|
|
|
function GetSummary: Boolean;
|
|
var
|
|
ASummaryOptions: TcxSummaryOptions;
|
|
begin
|
|
Result := True;
|
|
if AName = 'SummaryOptions' then
|
|
begin
|
|
ASummaryOptions := DataController.Summary.Options;
|
|
AValue := SetToString(ASummaryOptions, SizeOf(ASummaryOptions),
|
|
['soNullIgnore', 'soSelectedRecords']);
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
begin
|
|
AValue := Null;
|
|
if (gsoUseFilter in StorageOptions) and GetFilter then Exit;
|
|
if (gsoUseSummary in StorageOptions) and GetSummary then Exit;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetPropertyValue(const AName: string;
|
|
const AValue: Variant);
|
|
|
|
function SetFilter: Boolean;
|
|
var
|
|
AString: string;
|
|
AStream: TMemoryStream;
|
|
AFilterCriteriaOptions: TcxFilterCriteriaOptions;
|
|
begin
|
|
Result := True;
|
|
if AName = 'FilterActive' then
|
|
DataController.Filter.Active := StringToBoolean(AValue)
|
|
else
|
|
if AName = 'FilterDateTimeFormat' then
|
|
DataController.Filter.DateTimeFormat := AValue
|
|
else
|
|
if AName = 'FilterMaxValueListCount' then
|
|
DataController.Filter.MaxValueListCount := AValue
|
|
else
|
|
if AName = 'FilterOptions' then
|
|
begin
|
|
StringToSet(AValue, AFilterCriteriaOptions, SizeOf(AFilterCriteriaOptions),
|
|
['fcoCaseInsensitive', 'fcoShowOperatorDescription', 'fcoSoftNull', 'fcoSoftCompare']);
|
|
DataController.Filter.Options := AFilterCriteriaOptions;
|
|
end
|
|
else
|
|
if AName = 'FilterPercentWildcard' then
|
|
begin
|
|
AString := AValue;
|
|
if AString = '' then AString := #0;
|
|
DataController.Filter.PercentWildcard := AString[1];
|
|
end
|
|
else
|
|
if AName = 'FilterUnderscoreWildcard' then
|
|
begin
|
|
AString := AValue;
|
|
if AString = '' then AString := #0;
|
|
DataController.Filter.UnderscoreWildcard := AString[1];
|
|
end
|
|
else
|
|
if AName = 'Filter' then
|
|
begin
|
|
AStream := TMemoryStream.Create;
|
|
try
|
|
AString := AValue;
|
|
Delete(AString, 1, 4);
|
|
AString := HexStringToString(AString);
|
|
AStream.WriteBuffer(AString[1], Length(AString));
|
|
AStream.Position := 0;
|
|
TcxFilterCriteriaAccess(DataController.Filter).ReadData(AStream);
|
|
finally
|
|
AStream.Free;
|
|
end;
|
|
end
|
|
else
|
|
Result := (DataController as IcxGridDataController).SetFilterPropertyValue(AName, AValue);
|
|
end;
|
|
|
|
function SetSummary: Boolean;
|
|
var
|
|
ASummaryOptions: TcxSummaryOptions;
|
|
begin
|
|
Result := True;
|
|
if AName = 'SummaryOptions' then
|
|
begin
|
|
StringToSet(AValue, ASummaryOptions, SizeOf(ASummaryOptions),
|
|
['soNullIgnore', 'soSelectedRecords']);
|
|
DataController.Summary.Options := ASummaryOptions;
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
begin
|
|
if (gsoUseFilter in StorageOptions) and SetFilter then Exit;
|
|
if (gsoUseSummary in StorageOptions) and SetSummary then Exit;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.CreateChild(const AObjectName, AClassName: string): TObject;
|
|
|
|
function GetSummaryGroupIndex: Integer;
|
|
var
|
|
I: Integer;
|
|
AIndex: string;
|
|
begin
|
|
AIndex := '';
|
|
I := Length('SummaryGroup') + 1;
|
|
while AObjectName[I] <> '_' do
|
|
begin
|
|
AIndex := AIndex + AObjectName[I];
|
|
if I = Length(AObjectName) then
|
|
Break;
|
|
Inc(I);
|
|
end;
|
|
{$IFDEF DELPHI6}
|
|
if not TryStrToInt(AIndex, Result) then
|
|
Result := -1;
|
|
{$ELSE}
|
|
try
|
|
Result := StrToInt(AIndex);
|
|
except
|
|
on EConvertError do
|
|
Result := -1;
|
|
end;
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function CreateSummary: TObject;
|
|
var
|
|
ASummaryGroupIndex: Integer;
|
|
begin
|
|
Result := nil;
|
|
if Pos('FooterSummaryItem', AObjectName) = 1 then
|
|
Result := DataController.Summary.FooterSummaryItems.Add
|
|
else
|
|
if Pos('DefaultGroupSummaryItem', AObjectName) = 1 then
|
|
Result := DataController.Summary.DefaultGroupSummaryItems.Add
|
|
else
|
|
if Pos('SummaryGroup', AObjectName) = 1 then
|
|
begin
|
|
ASummaryGroupIndex := GetSummaryGroupIndex;
|
|
if ASummaryGroupIndex >= 0 then
|
|
if Pos('Item', AObjectName) <> 0 then
|
|
begin
|
|
if ASummaryGroupIndex < DataController.Summary.SummaryGroups.Count then
|
|
Result := DataController.Summary.SummaryGroups[ASummaryGroupIndex].SummaryItems.Add;
|
|
end
|
|
else
|
|
if Pos('Link', AObjectName) <> 0 then
|
|
begin
|
|
if ASummaryGroupIndex < DataController.Summary.SummaryGroups.Count then
|
|
Result := DataController.Summary.SummaryGroups[ASummaryGroupIndex].Links.Add;
|
|
end
|
|
else
|
|
Result := DataController.Summary.SummaryGroups.Add;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
AItem: TcxCustomGridTableItem;
|
|
begin
|
|
Result := nil;
|
|
if AClassName = GetItemClass.ClassName then
|
|
begin
|
|
AItem := CreateItem;
|
|
if not IsStoringNameMode then
|
|
AItem.Name := AObjectName;
|
|
Result := AItem;
|
|
end
|
|
else
|
|
if gsoUseSummary in StorageOptions then
|
|
Result := CreateSummary;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.GetStoredChildren(AChildren: TStringList);
|
|
|
|
procedure AddSummary;
|
|
var
|
|
I, J: Integer;
|
|
begin
|
|
with DataController.Summary.FooterSummaryItems do
|
|
for I := 0 to Count - 1 do
|
|
AChildren.AddObject('FooterSummaryItem' + IntToStr(I), Items[I]);
|
|
with DataController.Summary.DefaultGroupSummaryItems do
|
|
for I := 0 to Count - 1 do
|
|
AChildren.AddObject('DefaultGroupSummaryItem' + IntToStr(I), Items[I]);
|
|
with DataController.Summary.SummaryGroups do
|
|
for I := 0 to Count - 1 do
|
|
begin
|
|
AChildren.AddObject('SummaryGroup' + IntToStr(I), Items[I]);
|
|
with Items[I].SummaryItems do
|
|
for J := 0 to Count - 1 do
|
|
AChildren.AddObject('SummaryGroup' + IntToStr(I) + '_Item' + IntToStr(J), Items[J]);
|
|
with Items[I].Links do
|
|
for J := 0 to Count - 1 do
|
|
AChildren.AddObject('SummaryGroup' + IntToStr(I) + '_Link' + IntToStr(J), Items[J]);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to ItemCount - 1 do
|
|
AChildren.AddObject('', Items[I]);
|
|
if gsoUseSummary in StorageOptions then
|
|
AddSummary;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.CanOffset(ARecordCountDelta: Integer): Boolean;
|
|
begin {2}
|
|
Result := not TcxCustomGrid(Control).UpdateLocked and ViewInfo.CanOffsetView(ARecordCountDelta);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.CanSelectRecord(ARecordIndex: Integer): Boolean;
|
|
begin
|
|
Result := True;
|
|
if Assigned(FOnCanSelectRecord) then
|
|
FOnCanSelectRecord(Self, ViewData.GetRecordByIndex(ARecordIndex), Result);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.CanTabStop: Boolean;
|
|
begin
|
|
Result := inherited CanTabStop and not Controller.IsEditing;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DetailVisibleChanged(ADetailLevel: TComponent;
|
|
APrevVisibleDetailCount, AVisibleDetailCount: Integer);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
inherited;
|
|
if IsPattern then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
for I := 0 to CloneCount - 1 do
|
|
TcxCustomGridViewAccess(Clones[I]).DetailVisibleChanged(ADetailLevel,
|
|
APrevVisibleDetailCount, AVisibleDetailCount);
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end
|
|
else
|
|
if (APrevVisibleDetailCount = 0) or (AVisibleDetailCount = 0) then
|
|
DataChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DoAssign(ASource: TcxCustomGridView);
|
|
var
|
|
I: Integer;
|
|
AItem: TcxCustomGridTableItem;
|
|
begin
|
|
if ASource is TcxCustomGridTableView then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
ClearItems;
|
|
with TcxCustomGridTableView(ASource) do
|
|
begin
|
|
for I := 0 to ItemCount - 1 do
|
|
begin
|
|
AItem := Self.CreateItem;
|
|
AItem.FID := Items[I].ID;
|
|
AItem.Assign(Items[I]);
|
|
end;
|
|
Self.FNextID := FNextID;
|
|
|
|
Self.Filtering := Filtering;
|
|
Self.NavigatorButtons := NavigatorButtons;
|
|
Self.OptionsBehavior := OptionsBehavior;
|
|
Self.OptionsCustomize := OptionsCustomize;
|
|
Self.OptionsData := OptionsData;
|
|
|
|
Self.OnCanSelectRecord := OnCanSelectRecord;
|
|
Self.OnCellClick := OnCellClick;
|
|
Self.OnCustomDrawCell := OnCustomDrawCell;
|
|
Self.OnEditing := OnEditing;
|
|
Self.OnEditChanged := OnEditChanged;
|
|
Self.OnEditValueChanged := OnEditValueChanged;
|
|
Self.OnFilterControlDialogShow := OnFilterControlDialogShow;
|
|
Self.OnFocusedItemChanged := OnFocusedItemChanged;
|
|
Self.OnFocusedRecordChanged := OnFocusedRecordChanged;
|
|
Self.OnInitEdit := OnInitEdit;
|
|
//Self.OnRecordCreated := OnRecordCreated;
|
|
//Self.OnRecordDestroying := OnRecordDestroying;
|
|
Self.OnSelectionChanged := OnSelectionChanged;
|
|
Self.OnTopRecordIndexChanged := OnTopRecordIndexChanged;
|
|
end;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.FindItemByObjectName(const AObjectName: string): TcxCustomGridTableItem;
|
|
begin
|
|
if IsStoringNameMode then
|
|
Result := FindItemByID(StrToInt(AObjectName))
|
|
else
|
|
Result := FindItemByName(AObjectName);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.FocusEdit(AItemIndex: Integer; var ADone: Boolean);
|
|
begin
|
|
Items[AItemIndex].Editing := True;
|
|
ADone := Items[AItemIndex].Editing;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.GetChildren(Proc: TGetChildProc; Root: TComponent);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
inherited;
|
|
for I := 0 to ItemCount - 1 do
|
|
if Items[I].Owner = Root then Proc(Items[I]);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetDefaultActiveDetailIndex: Integer;
|
|
var
|
|
AAvailableLevel: TcxGridLevel;
|
|
begin
|
|
AAvailableLevel := TcxGridLevel(Level).GetAvailableItem;
|
|
if AAvailableLevel = nil then
|
|
Result := -1
|
|
else
|
|
Result := AAvailableLevel.Index;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetDisplayText(ARecordIndex, AItemIndex: Integer;
|
|
out AText: string): Boolean;
|
|
var
|
|
AItem: TcxCustomGridTableItem;
|
|
begin
|
|
AItem := Items[AItemIndex];
|
|
Result := AItem.GetProperties.GetEditValueSource(False) = evsValue;
|
|
if Result then
|
|
AText := AItem.GetProperties.GetDisplayText(DataController.Values[ARecordIndex, AItemIndex]);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.GetFakeComponentLinks(AList: TList);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
inherited;
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].Styles.GetFakeComponentLinks(AList);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetIsControlFocused: Boolean;
|
|
begin
|
|
Result := inherited GetIsControlFocused or
|
|
Controller.EditingController.IsEditing and Controller.EditingController.Edit.IsFocused;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetItemSortByDisplayText(AItemIndex: Integer): Boolean;
|
|
begin
|
|
Result := (esoSortingByDisplayText in Items[AItemIndex].GetProperties.GetSupportedOperations) or
|
|
Assigned(Items[AItemIndex].OnGetDisplayText);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetItemValueSource(AItemIndex: Integer): TcxDataEditValueSource;
|
|
var
|
|
AProperties: TcxCustomEditProperties;
|
|
begin
|
|
AProperties := Items[AItemIndex].GetProperties;
|
|
if AProperties = nil then
|
|
Result := evsText //!!!
|
|
else
|
|
Result := AProperties.GetEditValueSource(True);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.HasCustomDrawCell: Boolean;
|
|
begin
|
|
Result := Assigned(FOnCustomDrawCell);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.Init;
|
|
begin
|
|
inherited;
|
|
Controller.FocusFirstAvailableItem;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.IsDetailVisible(AGridView: TcxCustomGridView): Boolean;
|
|
var
|
|
AViewInfo: TcxCustomGridRecordViewInfo;
|
|
begin
|
|
if AGridView.MasterGridRecordIndex = -1 then
|
|
Result := False
|
|
else
|
|
begin
|
|
AViewInfo := ViewData.Records[AGridView.MasterGridRecordIndex].ViewInfo;
|
|
Result := (AViewInfo <> nil) and AViewInfo.IsDetailVisible(AGridView);
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.IsEqualHeightRecords: Boolean;
|
|
begin
|
|
Result := not ViewInfo.RecordsViewInfo.AutoDataRecordHeight;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.LoadingComplete;
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
inherited;
|
|
DataChanged;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.Offset(ARecordCountDelta, DX, DY: Integer);
|
|
begin {2}
|
|
ViewInfo.DoOffset(ARecordCountDelta, DX, DY);
|
|
if ARecordCountDelta <> 0 then
|
|
Painter.DoOffset(ViewInfo.RecordsViewInfo.ItemsOffset, 0, 0)
|
|
else
|
|
Painter.DoOffset(0, DX, DY);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetChildOrder(Child: TComponent; Order: Integer);
|
|
begin
|
|
inherited;
|
|
if Child is TcxCustomGridTableItem then
|
|
TcxCustomGridTableItem(Child).Index := Order;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SetName(const NewName: TComponentName);
|
|
var
|
|
AOldName: TComponentName;
|
|
|
|
function GetItem(ACaller: TComponent; Index: Integer): TComponent;
|
|
begin
|
|
Result := TcxCustomGridTableView(ACaller).Items[Index];
|
|
end;
|
|
|
|
begin
|
|
AOldName := Name;
|
|
inherited;
|
|
if Name <> AOldName then
|
|
RenameComponents(Self, Owner, Name, AOldName, ItemCount, @GetItem);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.UpdateControl(AInfo: TcxUpdateControlInfo);
|
|
begin
|
|
if IsDestroying then Exit;
|
|
if AInfo is TcxDataChangedInfo then
|
|
DataChanged
|
|
else
|
|
if AInfo is TcxLayoutChangedInfo then
|
|
DataLayoutChanged
|
|
else
|
|
if AInfo is TcxFocusedRecordChangedInfo then
|
|
with TcxFocusedRecordChangedInfo(AInfo) do
|
|
FocusedRecordChanged(PrevFocusedRowIndex, FocusedRowIndex, NewItemRowFocusingChanged)
|
|
else
|
|
if AInfo is TcxSelectionChangedInfo then
|
|
SelectionChanged(TcxSelectionChangedInfo(AInfo))
|
|
else
|
|
if AInfo is TcxSearchChangedInfo then
|
|
SearchChanged
|
|
else
|
|
if AInfo is TcxUpdateRecordInfo then
|
|
RecordChanged(TcxUpdateRecordInfo(AInfo).RecordIndex);
|
|
RefreshNavigators;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.UpdateDataController(AChange: TcxGridDataControllerChange;
|
|
AItem: TcxCustomGridTableItem);
|
|
begin
|
|
if {not IsDestroying and }(DataController <> nil) then
|
|
with DataController do
|
|
case AChange of
|
|
(*dccGlobal:
|
|
UpdateItems(True{!!!});*)
|
|
dccItemAdded:
|
|
AddItem(AItem);
|
|
dccItemRemoved:
|
|
RemoveItem(AItem);
|
|
dccIndexesChanged:
|
|
UpdateItemIndexes;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.UpdateRecord;
|
|
begin
|
|
Controller.EditingController.UpdateValue;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.CreateHandlers;
|
|
begin
|
|
FItems := TList.Create;
|
|
FVisibleItems := TList.Create;
|
|
FFilterableItems := TList.Create;
|
|
FNavigatorNotifier := TcxNavigatorControlNotifier.Create;
|
|
inherited;
|
|
FNavigatorButtons := GetNavigatorButtonsClass.Create(ViewInfo);
|
|
FNavigatorButtons.OnGetControl := GetNavigatorButtonsControl;
|
|
FNavigatorButtons.ConfirmDelete := False;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DestroyHandlers;
|
|
begin
|
|
ClearItems;
|
|
FreeAndNil(FNavigatorButtons);
|
|
inherited;
|
|
FreeAndNil(FNavigatorNotifier);
|
|
FreeAndNil(FFilterableItems);
|
|
FreeAndNil(FVisibleItems);
|
|
FreeAndNil(FItems);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.CreateOptions;
|
|
begin
|
|
inherited;
|
|
FFiltering := GetFilteringClass.Create(Self);
|
|
FOptionsBehavior := GetOptionsBehaviorClass.Create(Self);
|
|
FOptionsCustomize := GetOptionsCustomizeClass.Create(Self);
|
|
FOptionsData := GetOptionsDataClass.Create(Self);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DestroyOptions;
|
|
begin
|
|
FreeAndNil(FOptionsData);
|
|
FreeAndNil(FOptionsCustomize);
|
|
FreeAndNil(FOptionsBehavior);
|
|
FreeAndNil(FFiltering);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.AddItem(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
FItems.Add(AItem);
|
|
RefreshItemIndexes;
|
|
AItem.FID := GetNextID;
|
|
UpdateDataController(dccItemAdded, AItem);
|
|
AItem.SetGridView(Self); // needs Field
|
|
AItem.Visible := True;
|
|
RefreshFilterableItemsList;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RemoveItem(AItem: TcxCustomGridTableItem);
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
if AItem = OptionsBehavior.IncSearchItem then
|
|
OptionsBehavior.IncSearchItem := nil;
|
|
AItem.Visible := False;
|
|
FItems.Remove(AItem);
|
|
AItem.FIndex := -1;
|
|
RefreshItemIndexes;
|
|
UpdateDataController(dccItemRemoved, AItem);
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
AItem.SetGridView(nil);
|
|
//UpdateDataController(dccItemRemoved, AItem);
|
|
ReleaseID(AItem.ID);
|
|
RefreshFilterableItemsList;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.AssignVisibleItemsIndexes;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to VisibleItemCount - 1 do
|
|
with VisibleItems[I] do
|
|
FVisibleIndex := GetVisibleIndex;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.ChangeItemIndex(AItem: TcxCustomGridTableItem;
|
|
Value: Integer);
|
|
begin
|
|
if Value < 0 then Value := 0;
|
|
if Value >= ItemCount then Value := ItemCount - 1;
|
|
if AItem.Index <> Value then
|
|
begin
|
|
FItems.Move(AItem.Index, Value);
|
|
RefreshItemIndexes;
|
|
if AItem.Visible then RefreshVisibleItemsList;
|
|
UpdateDataController(dccIndexesChanged, AItem);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.ItemVisibilityChanged(AItem: TcxCustomGridTableItem;
|
|
Value: Boolean);
|
|
begin
|
|
if Value then
|
|
begin
|
|
RefreshVisibleItemsList;
|
|
SizeChanged;
|
|
if Controller.FocusedItem = nil then
|
|
AItem.Focused := True;
|
|
end
|
|
else
|
|
begin
|
|
if AItem.IncSearching then Controller.CancelIncSearching;
|
|
AItem.Focused := False;
|
|
RefreshVisibleItemsList;
|
|
SizeChanged;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RefreshVisibleItemsList;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
FVisibleItems.Clear;
|
|
for I := 0 to ItemCount - 1 do
|
|
if Items[I].ActuallyVisible then
|
|
Items[I].FVisibleIndex := FVisibleItems.Add(Items[I])
|
|
else
|
|
Items[I].FVisibleIndex := -1;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetItemDataBindingClass: TcxGridItemDataBindingClass;
|
|
var
|
|
AIGridDataController: IcxGridDataController;
|
|
begin
|
|
if DataController.GetInterface(IcxGridDataController, AIGridDataController) then
|
|
Result := AIGridDataController.GetItemDataBindingClass
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.GetNextID: Integer;
|
|
begin
|
|
Result := FNextID;
|
|
Inc(FNextID);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.ReleaseID(AID: Integer);
|
|
begin
|
|
if AID = FNextID - 1 then Dec(FNextID);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DataChanged;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
Controller.DragHighlightedRecord := nil;
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].DataChanged;
|
|
Changed(TcxGridDataChange.Create(Self));
|
|
Controller.EditingController.UpdateEditValue;
|
|
//Controller.MakeFocusedRecordVisible; - because of expanding, but this code is needed for insert !!!
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DataLayoutChanged;
|
|
begin
|
|
ViewData.RefreshRecords;
|
|
SizeChanged;
|
|
Controller.EditingController.UpdateEditValue;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DoCellClick(ACellViewInfo: TcxGridTableDataCellViewInfo;
|
|
AButton: TMouseButton; AShift: TShiftState): Boolean;
|
|
begin
|
|
Result := False;
|
|
if Assigned(FOnCellClick) then
|
|
FOnCellClick(Self, ACellViewInfo, AButton, AShift, Result);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DoEditing(AItem: TcxCustomGridTableItem): Boolean;
|
|
begin
|
|
Result := True;
|
|
if Assigned(FOnEditing) then FOnEditing(Self, AItem, Result);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DoGetDisplayText(ARecord: TcxCustomGridRecord;
|
|
AItemIndex: Integer; var AText: string);
|
|
begin
|
|
Items[AItemIndex].DoGetDisplayText(ARecord, AText);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DoTopRecordIndexChanged;
|
|
begin
|
|
if Assigned(FOnTopRecordIndexChanged) then FOnTopRecordIndexChanged(Self);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.FocusedItemChanged(APrevFocusedItem, AFocusedItem: TcxCustomGridTableItem);
|
|
begin
|
|
if Assigned(OnFocusedItemChanged) then
|
|
FOnFocusedItemChanged(Self, APrevFocusedItem, AFocusedItem);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.FocusedRecordChanged(APrevFocusedRecordIndex,
|
|
AFocusedRecordIndex: Integer; ANewItemRecordFocusingChanged: Boolean);
|
|
begin
|
|
with Controller.EditingController do
|
|
if HideEditOnFocusedRecordChange then HideEdit(True);
|
|
//Controller.CheckEdit;
|
|
//Controller.EditingController.UpdateEditValue;
|
|
if not DataController.IsSelectionAnchorExist then
|
|
Controller.SetSelectionAnchor(AFocusedRecordIndex);
|
|
Changed(TcxGridFocusedRecordChange.Create(Self, APrevFocusedRecordIndex,
|
|
AFocusedRecordIndex, ANewItemRecordFocusingChanged));
|
|
if DataController.IsGridMode then Controller.UpdateScrollBars;
|
|
Controller.CheckEdit;
|
|
Controller.EditingController.UpdateEditValue;
|
|
if Control <> nil then
|
|
TcxCustomGrid(Control).SendNotifications(gnkFocusedRecordChanged);
|
|
if Assigned(FOnFocusedRecordChanged) then
|
|
FOnFocusedRecordChanged(Self, ViewData.GetRecordByIndex(APrevFocusedRecordIndex),
|
|
ViewData.GetRecordByIndex(AFocusedRecordIndex), ANewItemRecordFocusingChanged);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.ItemValueTypeClassChanged(AItemIndex: Integer);
|
|
begin
|
|
Items[AItemIndex].ValueTypeClassChanged;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RecalculateDefaultWidths;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
for I := 0 to ItemCount - 1 do
|
|
Items[I].RecalculateDefaultWidth;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RecordChanged(ARecordIndex: Integer);
|
|
var
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
ViewData.AssignEditingRecord;
|
|
ARecord := ViewData.GetRecordByRecordIndex(ARecordIndex);
|
|
if ARecord = nil then
|
|
LayoutChanged
|
|
else
|
|
ARecord.Invalidate;
|
|
Controller.EditingController.UpdateEditValue;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RecordCountChanged;
|
|
begin
|
|
ViewInfoCache.Count := DataController.GetRowCount;
|
|
ViewData.Refresh(DataController.GetRowCount);
|
|
if Control <> nil then {7}
|
|
TcxCustomGrid(Control).SendNotifications(gnkRecordCountChanged);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RefreshFilterableItemsList;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
if IsDestroying then Exit;
|
|
FFilterableItems.Clear;
|
|
for I := 0 to ItemCount - 1 do
|
|
if Items[I].Filterable then
|
|
FFilterableItems.Add(Items[I]);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.RefreshNavigators;
|
|
begin
|
|
if ViewInfo.NavigatorSiteViewInfo.Visible then
|
|
ViewInfo.NavigatorButtonsStateChanged;
|
|
FNavigatorNotifier.RefreshNavigatorButtons;
|
|
if Focused then
|
|
TcxCustomGridAccess(Control).RefreshNavigators;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SearchChanged;
|
|
begin
|
|
if Controller.FocusedRecord <> nil then
|
|
Controller.FocusedRecord.Invalidate(Controller.IncSearchingItem);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.SelectionChanged(AInfo: TcxSelectionChangedInfo);
|
|
var
|
|
I: Integer;
|
|
ARecord: TcxCustomGridRecord;
|
|
begin
|
|
if AInfo.Count = 0 then
|
|
LayoutChanged
|
|
else
|
|
for I := 0 to AInfo.Count - 1 do
|
|
begin
|
|
ARecord := ViewData.GetRecordByIndex(AInfo.RowIndexes[I]);
|
|
if ARecord <> nil then ARecord.Invalidate;
|
|
end;
|
|
if Assigned(FOnSelectionChanged) then FOnSelectionChanged(Self);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DrawDataCellSelected(ARecord: TcxCustomGridRecord;
|
|
AItem: TcxCustomGridTableItem; AUseViewInfo: Boolean = False;
|
|
ACellViewInfo: TcxGridTableCellViewInfo = nil): Boolean;
|
|
|
|
function GetRecordSelected: Boolean;
|
|
begin
|
|
if AUseViewInfo then
|
|
Result := ARecord.ViewInfo.Selected
|
|
else
|
|
Result := ARecord.DrawSelected;
|
|
end;
|
|
|
|
function GetRecordFocused: Boolean;
|
|
begin
|
|
if AUseViewInfo then
|
|
Result := ARecord.ViewInfo.Focused
|
|
else
|
|
Result := ARecord.DrawFocused;
|
|
end;
|
|
|
|
function GetCellSelected: Boolean;
|
|
begin
|
|
if (ACellViewInfo <> nil) and ACellViewInfo.AlwaysSelected then
|
|
Result := True
|
|
else
|
|
if OptionsSelection.InvertSelect then
|
|
Result := (AItem = nil) or not AItem.Focused or not GetRecordFocused
|
|
else
|
|
Result := (OptionsSelection.MultiSelect or
|
|
(AItem <> nil) and AItem.Focused and GetRecordFocused) and
|
|
(not (ACellViewInfo is TcxGridTableDataCellViewInfo) or
|
|
not TcxGridTableDataCellViewInfo(ACellViewInfo).Editing);
|
|
end;
|
|
|
|
begin
|
|
Result :=
|
|
((ACellViewInfo = nil) or ACellViewInfo.CanDrawSelected) and
|
|
(ARecord <> nil) and GetRecordSelected and GetCellSelected and
|
|
(IsControlFocused or not OptionsSelection.HideSelection);
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DrawRecordActive(ARecord: TcxCustomGridRecord): Boolean;
|
|
begin
|
|
Result := IsControlFocused or ARecord.DragHighlighted;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DrawRecordFocused(ARecord: TcxCustomGridRecord): Boolean;
|
|
begin
|
|
Result := ARecord.Focused and Focused;
|
|
end;
|
|
|
|
function TcxCustomGridTableView.DrawRecordSelected(ARecord: TcxCustomGridRecord): Boolean;
|
|
begin
|
|
Result :=
|
|
ARecord.Selected and (Focused or OptionsSelection.MultiSelect) or
|
|
ARecord.DragHighlighted;
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DoCustomDrawCell(ACanvas: TcxCanvas;
|
|
AViewInfo: TcxGridTableDataCellViewInfo; var ADone: Boolean);
|
|
begin
|
|
if HasCustomDrawCell then
|
|
FOnCustomDrawCell(Self, ACanvas, AViewInfo, ADone);
|
|
end;
|
|
|
|
procedure TcxCustomGridTableView.DoEditChanged(AItem: TcxCustomGridTableItem);
|
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begin
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if Assigned(FOnEditChanged) then FOnEditChanged(Self, AItem);
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end;
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procedure TcxCustomGridTableView.DoEditValueChanged(AItem: TcxCustomGridTableItem);
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begin
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if Assigned(FOnEditValueChanged) then FOnEditValueChanged(Self, AItem);
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end;
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procedure TcxCustomGridTableView.DoInitEdit(AItem: TcxCustomGridTableItem; AEdit: TcxCustomEdit);
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begin
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if Assigned(FOnInitEdit) then FOnInitEdit(Self, AItem, AEdit);
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end;
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{procedure TcxCustomGridTableView.DoRecordCreated(ARecord: TcxCustomGridRecord);
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begin
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if Assigned(FOnRecordCreated) then FOnRecordCreated(Self, ARecord);
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end;
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procedure TcxCustomGridTableView.DoRecordDestroying(ARecord: TcxCustomGridRecord);
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begin
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if Assigned(FOnRecordDestroying) then FOnRecordDestroying(Self, ARecord);
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end;}
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function TcxCustomGridTableView.GetControllerClass: TcxCustomGridControllerClass;
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begin
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Result := TcxCustomGridTableController;
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end;
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function TcxCustomGridTableView.GetPainterClass: TcxCustomGridPainterClass;
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begin
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Result := TcxCustomGridTablePainter;
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end;
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function TcxCustomGridTableView.GetViewDataClass: TcxCustomGridViewDataClass;
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begin
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Result := TcxCustomGridTableViewData;
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end;
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function TcxCustomGridTableView.GetViewInfoCacheClass: TcxCustomGridViewInfoCacheClass;
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begin
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Result := TcxCustomGridTableViewInfoCache;
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end;
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function TcxCustomGridTableView.GetViewInfoClass: TcxCustomGridViewInfoClass;
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begin
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Result := TcxCustomGridTableViewInfo;
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end;
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function TcxCustomGridTableView.GetBackgroundBitmapsClass: TcxCustomGridBackgroundBitmapsClass;
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begin
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Result := TcxCustomGridTableBackgroundBitmaps;
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end;
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function TcxCustomGridTableView.GetFilteringClass: TcxCustomGridTableFilteringClass;
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begin
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Result := TcxCustomGridTableFiltering;
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end;
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function TcxCustomGridTableView.GetNavigatorButtonsClass: TcxNavigatorControlButtonsClass;
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begin
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Result := TcxNavigatorControlButtons;
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end;
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function TcxCustomGridTableView.GetOptionsBehaviorClass: TcxCustomGridTableOptionsBehaviorClass;
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begin
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Result := TcxCustomGridTableOptionsBehavior;
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end;
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function TcxCustomGridTableView.GetOptionsCustomizeClass: TcxCustomGridTableOptionsCustomizeClass;
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begin
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Result := TcxCustomGridTableOptionsCustomize;
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end;
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function TcxCustomGridTableView.GetOptionsDataClass: TcxCustomGridTableOptionsDataClass;
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begin
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Result := TcxCustomGridTableOptionsData;
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end;
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function TcxCustomGridTableView.GetOptionsSelectionClass: TcxCustomGridOptionsSelectionClass;
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begin
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Result := TcxCustomGridTableOptionsSelection;
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end;
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function TcxCustomGridTableView.GetOptionsViewClass: TcxCustomGridOptionsViewClass;
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begin
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Result := TcxCustomGridTableOptionsView;
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end;
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function TcxCustomGridTableView.GetStylesClass: TcxCustomGridViewStylesClass;
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begin
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Result := TcxCustomGridTableViewStyles;
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end;
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function TcxCustomGridTableView.GetSummaryGroupItemLinkClass: TcxDataSummaryGroupItemLinkClass;
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begin
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Result := nil;
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end;
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function TcxCustomGridTableView.GetSummaryItemClass: TcxDataSummaryItemClass;
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begin
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Result := nil;
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end;
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procedure TcxCustomGridTableView.ApplyBestFit(AItem: TcxCustomGridTableItem = nil);
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var
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I: Integer;
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begin
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if AItem = nil then
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for I := 0 to VisibleItemCount - 1 do
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VisibleItems[I].ApplyBestFit
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else
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AItem.ApplyBestFit;
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end;
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procedure TcxCustomGridTableView.ClearItems;
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var
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I: Integer;
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begin
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BeginUpdate;
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try
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for I := ItemCount - 1 downto 0 do Items[I].Free;
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FNextID := 0;
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finally
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EndUpdate;
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end;
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end;
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procedure TcxCustomGridTableView.CopyToClipboard(ACopyAll: Boolean);
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procedure AddHeaders;
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var
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I, C: Integer;
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begin
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C := VisibleItemCount - 1;
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for I := 0 to C do
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begin
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FCopyToClipboardStr := FCopyToClipboardStr + VisibleItems[I].Caption;
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if I <> C then
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FCopyToClipboardStr := FCopyToClipboardStr + ColumnSeparator;
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end;
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FCopyToClipboardStr := FCopyToClipboardStr + EndOfLine{ + EndOfLine};
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end;
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begin
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FCopyToClipboardStr := '';
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AddHeaders;
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DataController.ForEachRow(not ACopyAll, CopyForEachRowProc);
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Clipboard.AsText := FCopyToClipboardStr;
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end;
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function TcxCustomGridTableView.CreateItem: TcxCustomGridTableItem;
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begin
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Result := GetItemClass.Create(Owner);
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AddItem(Result);
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end;
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function TcxCustomGridTableView.FindItemByID(AID: Integer): TcxCustomGridTableItem;
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var
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I: Integer;
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begin
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for I := 0 to ItemCount - 1 do
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begin
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Result := Items[I];
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if Result.ID = AID then Exit;
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end;
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Result := nil;
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end;
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function TcxCustomGridTableView.FindItemByName(const AName: string): TcxCustomGridTableItem;
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var
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I: Integer;
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begin
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for I := 0 to ItemCount - 1 do
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begin
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Result := Items[I];
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if Result.Name = AName then Exit;
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end;
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Result := nil;
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end;
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function TcxCustomGridTableView.IndexOfItem(AItem: TcxCustomGridTableItem): Integer;
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begin
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Result := FItems.IndexOf(AItem);
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end;
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procedure TcxCustomGridTableView.MakeMasterGridRecordVisible;
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begin
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if IsDetail and (MasterGridRecord <> nil) and not DontMakeMasterRecordVisible then
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MasterGridRecord.MakeVisible;
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end;
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procedure TcxCustomGridTableView.RestoreDefaults;
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var
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I: Integer;
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begin
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inherited;
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BeginUpdate;
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try
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for I := 0 to ItemCount - 1 do
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Items[I].RestoreDefaults;
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finally
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EndUpdate;
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end;
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end;
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class function TcxCustomGridTableView.CanBeLookupList: Boolean;
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begin
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Result := False;
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end;
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initialization
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RegisterClasses([TcxGridItemDataBinding]);
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end.
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