988 lines
31 KiB
ObjectPascal
988 lines
31 KiB
ObjectPascal
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{********************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressLayoutControl registering unit }
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{ }
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{ Copyright (c) 2001-2009 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 EXPRESSLAYOUTCONTROL AND ALL }
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{ ACCOMPANYING VCL CONTROLS AS PART OF AN EXECUTABLE PROGRAM }
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{ 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 dxLayoutControlReg;
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{$I cxVer.inc}
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interface
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procedure Register;
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implementation
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uses
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Windows, SysUtils, Classes, Graphics, Controls, Contnrs, Forms, StdCtrls, ExtCtrls,
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Messages,
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DesignIntf, DesignEditors, DesignMenus, VCLEditors, DesignWindows,
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ComponentDesigner, TypInfo,
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dxCore, cxClasses, cxControls, cxContainer,
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dxCoreReg, cxLibraryReg, cxDesignWindows, dxRegEd,
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dxLayoutCommon, dxLayoutControl, dxLayoutLookAndFeels,
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dxLayoutEditForm, dxLayoutLookAndFeelListDesignForm;
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const
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dxLayoutControlMajorVersion = '2';
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dxLayoutControlProductName = 'ExpressLayoutControl';
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type
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TControlAccess = class(TControl);
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TLabelAccess = class(TCustomLabel);
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TdxLayoutGroupAcsess = class(TdxLayoutGroup);
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TdxLayoutControlAccess = class(TdxLayoutControl);
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TdxCustomLayoutItemAccess = class(TdxCustomLayoutItem);
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TdxLayoutItemAccess = class(TdxLayoutItem);
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TStaticTextAccess = class(TCustomStaticText);
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{ TdxLayoutCustomControlEditor }
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TdxLayoutCustomControlEditor = class(TdxComponentEditor)
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protected
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function GetProductMajorVersion: string; override;
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function GetProductMinorVersion: string; override;
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function GetProductName: string; override;
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end;
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{ TdxLayoutControlEditor }
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TdxLayoutControlEditor = class(TdxLayoutCustomControlEditor)
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protected
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function InternalGetVerb(AIndex: Integer): string; override;
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function InternalGetVerbCount: Integer; override;
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procedure InternalExecuteVerb(AIndex: Integer); override;
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function GetControl: TdxLayoutControl; virtual;
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procedure DoImport;
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property Control: TdxLayoutControl read GetControl;
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public
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procedure PrepareItem(Index: Integer; const AItem: IMenuItem); override;
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end;
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{ TdxLayoutControlItemsEditor }
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TdxLayoutControlItemsEditor = class(TdxLayoutControlEditor)
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private
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function GetItem: TdxCustomLayoutItem;
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protected
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function GetControl: TdxLayoutControl; override;
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property Item: TdxCustomLayoutItem read GetItem;
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end;
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{ TdxDesignCustomizationHelper }
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TdxDesignCustomizationHelper = class
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private
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FLayoutControls: TList;
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public
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constructor Create;
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destructor Destroy; override;
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class procedure AddLayout(ALayout: TdxCustomLayoutControl);
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class function FindActiveDesigner(out ADesigner: IDesigner): Boolean;
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class function IsLayoutDesignerActive: Boolean;
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class procedure RemoveLayout(ALayout: TdxCustomLayoutControl);
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end;
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{ TdxLayoutDesignTimeSelectionHelper }
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TdxLayoutDesignTimeSelectionHelper = class(TdxLayoutRunTimeSelectionHelper, IcxDesignSelectionChanged)
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private
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FDesignHelper: TcxDesignHelper;
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protected
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//IcxDesignSelectionChanged
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procedure DesignSelectionChanged(ASelection: TList);
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public
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constructor Create(AOwner: TPersistent); override;
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destructor Destroy; override;
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procedure AddSelectionChangedListener(AListener: TPersistent); override;
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procedure RemoveSelectionChangedListener(AListener: TPersistent); override;
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function CanDeleteComponent(AComponent: TComponent): Boolean; override;
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procedure ClearSelection; override;
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procedure GetSelection(AList: TList); override;
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function IsComponentSelected(AComponent: TPersistent): Boolean; override;
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procedure SelectComponent(AComponent: TPersistent; AShift: TShiftState = []); override;
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procedure SetSelection(AList: TList); override;
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function UniqueName(const BaseName: string): string; override;
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end;
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TdxLayoutColorProperty = class(TColorProperty)
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public
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function GetValue: string; override;
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procedure GetValues(Proc: TGetStrProc); override;
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procedure SetValue(const Value: string); override;
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procedure ListDrawValue(const Value: string; ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);
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procedure PropDrawValue(ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);
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end;
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TdxLayoutRegistryPathProperty = class(TStringProperty)
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public
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procedure Edit; override;
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function GetAttributes: TPropertyAttributes; override;
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end;
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TdxLayoutLookAndFeelListEditor = class(TdxLayoutCustomControlEditor)
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private
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function GetLookAndFeelList: TdxLayoutLookAndFeelList;
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protected
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function InternalGetVerb(AIndex: Integer): string; override;
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function InternalGetVerbCount: Integer; override;
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procedure InternalExecuteVerb(AIndex: Integer); override;
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property LookAndFeelList: TdxLayoutLookAndFeelList read GetLookAndFeelList;
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end;
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{ TdxLayoutLookAndFeelProperty }
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TdxLayoutLookAndFeelProperty = class(TComponentProperty)
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private
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FLookAndFeelLists: TComponentList;
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function GetLookAndFeelLists: TComponentList;
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procedure GetLookAndFeelListNameProc(const S: string);
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public
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function AutoFill: Boolean; override;
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procedure GetValues(Proc: TGetStrProc); override;
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procedure SetValue(const Value: string); override;
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end;
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TdxLayoutItemSelectionEditor = class(TSelectionEditor)
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public
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procedure RequiresUnits(Proc: TGetStrProc); override;
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end;
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const
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sCreateNewLookAndFeelInListBegin = '<Create a new LookAndFeel in ';
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sCreateNewLookAndFeelInListEnd = '>';
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sCreateNewLookAndFeelInNewList = '<Create a new LookAndFeel in the new list>';
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{ TdxLayoutCustomControlEditor }
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function TdxLayoutCustomControlEditor.GetProductMajorVersion: string;
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begin
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Result := dxLayoutControlMajorVersion;
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end;
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function TdxLayoutCustomControlEditor.GetProductMinorVersion: string;
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begin
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Result := inherited GetProductMinorVersion + 'b1';
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end;
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function TdxLayoutCustomControlEditor.GetProductName: string;
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begin
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Result := dxLayoutControlProductName;
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end;
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{ TdxLayoutControlEditor }
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function TdxLayoutControlEditor.GetControl: TdxLayoutControl;
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begin
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Result := TdxLayoutControl(Component);
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end;
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function TdxLayoutControlEditor.InternalGetVerb(AIndex: Integer): string;
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begin
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case AIndex of
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0: Result := 'Designer...';
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1: Result := 'Import...';
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end;
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end;
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function TdxLayoutControlEditor.InternalGetVerbCount: Integer;
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begin
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Result := 2;
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end;
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procedure TdxLayoutControlEditor.InternalExecuteVerb(AIndex: Integer);
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begin
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case AIndex of
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0:
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begin
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if Control.Customization then
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Control.CustomizeForm.BringToFront
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else
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Control.Customization := True;
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end;
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1:
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DoImport;
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end;
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end;
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procedure TdxLayoutControlEditor.DoImport;
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var
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AControlName: string;
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AControlCaptions: TStringList;
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ACaptionLayouts: TList;
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R: TRect;
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function GetRoot: TWinControl;
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begin
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Result := Control.Owner as TWinControl;
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end;
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function CanExport(AControl: TControl): Boolean;
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begin
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Result := (AControl <> Control) and
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not (csNoDesignVisible in AControl.ControlStyle) and not (csSubComponent in AControl.ComponentStyle);
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end;
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function GetControlsCombo: TComboBox;
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function AddItems(AControl: TWinControl; AStrings: TStrings;
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AInsertionIndex: Integer): Boolean;
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var
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I: Integer;
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begin
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with AControl do
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begin
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Result := CanExport(AControl) and (csAcceptsControls in ControlStyle);
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if Result then
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begin
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AStrings.Insert(AInsertionIndex, Name);
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AInsertionIndex := AStrings.Count;
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for I := 0 to ControlCount - 1 do
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if Controls[I] is TWinControl then
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if AddItems(TWinControl(Controls[I]), AStrings, AInsertionIndex) then
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Inc(AInsertionIndex);
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end;
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end;
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end;
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begin
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Result := TComboBox.Create(nil);
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with Result do
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begin
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Visible := False;
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Parent := GetParentForm(Control);
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DropDownCount := 15;
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Style := csDropDownList;
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AddItems(GetRoot, Items, 0);
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if Items.Count <> 0 then
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ItemIndex := 0;
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end;
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end;
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function GetControl: TWinControl;
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begin
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if GetRoot.Name = AControlName then
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Result := GetRoot
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else
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Result := GetRoot.FindComponent(AControlName) as TWinControl;
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end;
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function ExportControl(AControl: TControl; AGroup: TdxLayoutGroup;
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out AControlBounds: TRect): Boolean;
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var
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AControlCaption: string;
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AItem: TdxCustomLayoutItem;
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function IsControlGroup: Boolean;
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begin
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Result := (AControl = GetRoot) or
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(AControl is TCustomGroupBox) or (AControl is TCustomPanel);
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end;
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procedure ExportGroupControl;
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procedure ExportChildren;
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var
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AFirstBounds, ABounds: TRect;
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AIsLayoutDirectionAssigned: Boolean;
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I: Integer;
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function GetLayoutDirection(const R1, R2: TRect): TdxLayoutDirection;
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begin
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if (R1.Right <= R2.Left) or (R2.Right <= R1.Left) then
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Result := ldHorizontal
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else
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Result := ldVertical;
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end;
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begin
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SetRectEmpty(AFirstBounds);
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AIsLayoutDirectionAssigned := False;
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I := 0;
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while I < TWinControl(AControl).ControlCount do
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begin
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if not ExportControl(TWinControl(AControl).Controls[I], TdxLayoutGroup(AItem), ABounds) then
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Inc(I);
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if not IsRectEmpty(ABounds) then
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if IsRectEmpty(AFirstBounds) then
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AFirstBounds := ABounds
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else
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if not AIsLayoutDirectionAssigned then
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begin
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TdxLayoutGroup(AItem).LayoutDirection := GetLayoutDirection(AFirstBounds, ABounds);
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AIsLayoutDirectionAssigned := True;
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end;
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end;
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end;
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begin
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if AControl = GetRoot then
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AItem := AGroup
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else
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begin
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AItem := AGroup.CreateGroup;
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TdxLayoutGroup(AItem).Hidden := AControl is TCustomPanel;
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AItem.Caption := AControlCaption;
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end;
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ExportChildren;
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end;
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procedure ExportNonGroupControl;
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var
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AFocusControl: TWinControl;
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ACaptionIndex: Integer;
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AControlItem: TdxLayoutItem;
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ACaptionLayout: TdxCaptionLayout;
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function GetFocusControl: TWinControl;
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begin
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if AControl is TCustomLabel then
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Result := TLabelAccess(AControl).FocusControl
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else
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if AControl is TCustomStaticText then
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Result := TStaticTextAccess(AControl).FocusControl
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else
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Result := nil;
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end;
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function IsLabel: Boolean;
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begin
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Result := (AControl is TCustomLabel) or (AControl is TCustomStaticText);
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end;
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function GetCaptionLayout: TdxCaptionLayout;
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begin
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if AControl.BoundsRect.Right <= AFocusControl.BoundsRect.Left then
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Result := clLeft
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else
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if AControl.BoundsRect.Left >= AFocusControl.BoundsRect.Right then
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Result := clRight
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else
|
||
|
|
if AControl.BoundsRect.Bottom <= AFocusControl.BoundsRect.Top then
|
||
|
|
Result := clTop
|
||
|
|
else
|
||
|
|
Result := clBottom;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure AssignItemCaptionData(AItem: TdxLayoutItem;
|
||
|
|
const ACaption: string; ACaptionLayout: TdxCaptionLayout);
|
||
|
|
begin
|
||
|
|
AItem.Caption := ACaption;
|
||
|
|
AItem.CaptionOptions.Layout := ACaptionLayout;
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
if IsLabel then
|
||
|
|
SetRectEmpty(AControlBounds);
|
||
|
|
AFocusControl := GetFocusControl;
|
||
|
|
if AFocusControl = nil then
|
||
|
|
begin
|
||
|
|
if (AControl is TCustomLabeledEdit) or IsLabel then Exit;
|
||
|
|
Result := True;
|
||
|
|
AItem := AGroup.CreateItemForControl(AControl);
|
||
|
|
ACaptionIndex := AControlCaptions.IndexOfObject(AControl);
|
||
|
|
if ACaptionIndex <> -1 then
|
||
|
|
AssignItemCaptionData(TdxLayoutItem(AItem), AControlCaptions[ACaptionIndex],
|
||
|
|
TdxCaptionLayout(ACaptionLayouts[ACaptionIndex]));
|
||
|
|
end
|
||
|
|
else
|
||
|
|
begin
|
||
|
|
AControlItem := Control.FindItem(AFocusControl);
|
||
|
|
ACaptionLayout := GetCaptionLayout;
|
||
|
|
if AControlItem <> nil then
|
||
|
|
AssignItemCaptionData(AControlItem, AControlCaption, ACaptionLayout)
|
||
|
|
else
|
||
|
|
begin
|
||
|
|
AControlCaptions.AddObject(AControlCaption, AFocusControl);
|
||
|
|
ACaptionLayouts.Add(Pointer(ACaptionLayout));
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure ProcessAnchors;
|
||
|
|
const
|
||
|
|
AlignHorzs: array[Boolean, Boolean] of TdxLayoutAlignHorz =
|
||
|
|
((ahLeft, ahRight), (ahLeft, ahClient));
|
||
|
|
AlignVerts: array[Boolean, Boolean] of TdxLayoutAlignVert =
|
||
|
|
((avTop, avBottom), (avTop, avClient));
|
||
|
|
begin
|
||
|
|
if (AItem = nil) or AItem.IsRoot then Exit;
|
||
|
|
with AControl do
|
||
|
|
begin
|
||
|
|
AItem.AlignHorz := AlignHorzs[akLeft in Anchors, akRight in Anchors];
|
||
|
|
AItem.AlignVert := AlignVerts[akTop in Anchors, akBottom in Anchors];
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
SetRectEmpty(AControlBounds);
|
||
|
|
if not CanExport(AControl) then Exit;
|
||
|
|
AControlCaption := TControlAccess(AControl).Caption;
|
||
|
|
AControlBounds := AControl.BoundsRect;
|
||
|
|
AItem := nil;
|
||
|
|
if IsControlGroup then
|
||
|
|
ExportGroupControl
|
||
|
|
else
|
||
|
|
ExportNonGroupControl;
|
||
|
|
ProcessAnchors;
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
AControlName := '';
|
||
|
|
if not TLayoutEditForm.Run('Import', 'Choose a control to import data from:',
|
||
|
|
AControlName, GetControlsCombo) then Exit;
|
||
|
|
AControlCaptions := TStringList.Create;
|
||
|
|
ACaptionLayouts := TList.Create;
|
||
|
|
try
|
||
|
|
Control.BeginUpdate;
|
||
|
|
try
|
||
|
|
ExportControl(GetControl, Control.Items, R);
|
||
|
|
Control.Items.Pack;
|
||
|
|
finally
|
||
|
|
Control.EndUpdate;
|
||
|
|
end;
|
||
|
|
finally
|
||
|
|
ACaptionLayouts.Free;
|
||
|
|
AControlCaptions.Free;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutControlEditor.PrepareItem(Index: Integer; const AItem: IMenuItem);
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
if Index in [1, 2] then
|
||
|
|
AItem.Enabled := not IsInInlined;
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutControlItemsEditor }
|
||
|
|
|
||
|
|
function TdxLayoutControlItemsEditor.GetControl: TdxLayoutControl;
|
||
|
|
begin
|
||
|
|
Result := TdxLayoutControl(Item.Container);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutControlItemsEditor.GetItem: TdxCustomLayoutItem;
|
||
|
|
begin
|
||
|
|
Result := TdxCustomLayoutItem(Component);
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxDesignCustomizationHelper }
|
||
|
|
|
||
|
|
var
|
||
|
|
FDesignCustomizationHelper: TdxDesignCustomizationHelper;
|
||
|
|
FKeyboardHookHandle: HHOOK;
|
||
|
|
|
||
|
|
function ProcessKeyboardMessage(AKey: WPARAM; AFlags: LPARAM): Boolean;
|
||
|
|
|
||
|
|
function IsDragging(AList: TcxComponentList): Boolean;
|
||
|
|
var
|
||
|
|
I: Integer;
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
for I := 0 to AList.Count - 1 do
|
||
|
|
begin
|
||
|
|
Result := (AList[I] is TdxCustomLayoutItem) and
|
||
|
|
TdxCustomLayoutItemAccess(AList[I]).IsDragged;
|
||
|
|
if Result then
|
||
|
|
Break;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function DeleteItems(AList: TcxComponentList): Boolean;
|
||
|
|
|
||
|
|
procedure CheckDeleteItems;
|
||
|
|
var
|
||
|
|
I: Integer;
|
||
|
|
begin
|
||
|
|
for I := AList.Count - 1 downto 0 do
|
||
|
|
if not (TObject(AList[I]) is TdxCustomLayoutItem) then
|
||
|
|
AList.Extract(AList[I]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
CheckDeleteItems;
|
||
|
|
AList.OwnsObjects := True;
|
||
|
|
AList.Clear;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function SelectItemParent(AComponent: TComponent): Boolean;
|
||
|
|
var
|
||
|
|
AIntf: IdxLayoutSelectableItem;
|
||
|
|
begin
|
||
|
|
Result := Supports(AComponent, IdxLayoutSelectableItem, AIntf);
|
||
|
|
if Result then
|
||
|
|
AIntf.SelectParent;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function KeyPressed: Boolean;
|
||
|
|
begin
|
||
|
|
Result := (AFlags shr 31) and 1 = 0;
|
||
|
|
end;
|
||
|
|
|
||
|
|
var
|
||
|
|
AList: TcxComponentList;
|
||
|
|
ADesigner: IDesigner;
|
||
|
|
begin
|
||
|
|
Result := KeyPressed;
|
||
|
|
if Result then
|
||
|
|
begin
|
||
|
|
AList := TcxComponentList.Create;
|
||
|
|
try
|
||
|
|
if TdxDesignCustomizationHelper.FindActiveDesigner(ADesigner) then
|
||
|
|
GetSelections(ADesigner, AList);
|
||
|
|
Result := (AList.Count > 0) and not IsDragging(AList) and not TdxDesignCustomizationHelper.IsLayoutDesignerActive;
|
||
|
|
if Result then
|
||
|
|
case AKey of
|
||
|
|
VK_DELETE:
|
||
|
|
Result := DeleteItems(AList);
|
||
|
|
VK_ESCAPE:
|
||
|
|
Result := SelectItemParent(AList[0]);
|
||
|
|
else
|
||
|
|
Result := False;
|
||
|
|
end;
|
||
|
|
finally
|
||
|
|
AList.Free;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function KeyboardHookProc(Code: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
|
||
|
|
begin
|
||
|
|
if (Code = HC_ACTION) and ProcessKeyboardMessage(wParam, lParam) then
|
||
|
|
Result := 1
|
||
|
|
else
|
||
|
|
Result := CallNextHookEx(FKeyboardHookHandle, Code, wParam, lParam);
|
||
|
|
end;
|
||
|
|
|
||
|
|
constructor TdxDesignCustomizationHelper.Create;
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
FLayoutControls := TList.Create;
|
||
|
|
SetHook(FKeyboardHookHandle, WH_KEYBOARD, KeyboardHookProc);
|
||
|
|
end;
|
||
|
|
|
||
|
|
destructor TdxDesignCustomizationHelper.Destroy;
|
||
|
|
begin
|
||
|
|
ReleaseHook(FKeyboardHookHandle);
|
||
|
|
FreeAndNil(FLayoutControls);
|
||
|
|
inherited Destroy;
|
||
|
|
end;
|
||
|
|
|
||
|
|
class procedure TdxDesignCustomizationHelper.AddLayout(ALayout: TdxCustomLayoutControl);
|
||
|
|
begin
|
||
|
|
if FDesignCustomizationHelper = nil then
|
||
|
|
FDesignCustomizationHelper := Self.Create;
|
||
|
|
FDesignCustomizationHelper.FLayoutControls.Add(ALayout);
|
||
|
|
end;
|
||
|
|
|
||
|
|
class function TdxDesignCustomizationHelper.FindActiveDesigner(out ADesigner: IDesigner): Boolean;
|
||
|
|
var
|
||
|
|
I: Integer;
|
||
|
|
AForm: TCustomForm;
|
||
|
|
begin
|
||
|
|
Result := (ActiveRoot <> nil) and (FDesignCustomizationHelper <> nil);
|
||
|
|
if Result then
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
ADesigner := ActiveRoot.GetDesigner;
|
||
|
|
for I := 0 to FDesignCustomizationHelper.FLayoutControls.Count - 1 do
|
||
|
|
begin
|
||
|
|
AForm := GetParentForm(TControl(FDesignCustomizationHelper.FLayoutControls[I]));
|
||
|
|
Result := (AForm <> nil) and (ActiveRoot = ActiveDesigner.FindRoot(AForm)) and IsFormActive(AForm);
|
||
|
|
if Result then
|
||
|
|
Exit;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
class function TdxDesignCustomizationHelper.IsLayoutDesignerActive: Boolean;
|
||
|
|
var
|
||
|
|
I: Integer;
|
||
|
|
ALayoutControl: TdxCustomLayoutControl;
|
||
|
|
begin
|
||
|
|
Result := FDesignCustomizationHelper <> nil;
|
||
|
|
if Result then
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
for I := 0 to FDesignCustomizationHelper.FLayoutControls.Count - 1 do
|
||
|
|
begin
|
||
|
|
ALayoutControl := TdxCustomLayoutControl(FDesignCustomizationHelper.FLayoutControls[I]);
|
||
|
|
Result := (ALayoutControl.CustomizeForm <> nil) and ALayoutControl.CustomizeForm.Active;
|
||
|
|
if Result then
|
||
|
|
Break;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
class procedure TdxDesignCustomizationHelper.RemoveLayout(ALayout: TdxCustomLayoutControl);
|
||
|
|
begin
|
||
|
|
FDesignCustomizationHelper.FLayoutControls.Remove(ALayout);
|
||
|
|
if FDesignCustomizationHelper.FLayoutControls.Count = 0 then
|
||
|
|
FreeAndNil(FDesignCustomizationHelper);
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutDesignTimeSelectionHelper }
|
||
|
|
|
||
|
|
constructor TdxLayoutDesignTimeSelectionHelper.Create(AOwner: TPersistent);
|
||
|
|
begin
|
||
|
|
inherited Create(AOwner);
|
||
|
|
FDesignHelper := TcxDesignHelper.Create(Component);
|
||
|
|
TdxDesignCustomizationHelper.AddLayout(Component as TdxCustomLayoutControl);
|
||
|
|
end;
|
||
|
|
|
||
|
|
destructor TdxLayoutDesignTimeSelectionHelper.Destroy;
|
||
|
|
begin
|
||
|
|
TdxDesignCustomizationHelper.RemoveLayout(Component as TdxCustomLayoutControl);
|
||
|
|
FDesignHelper := nil;
|
||
|
|
inherited Destroy;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.AddSelectionChangedListener(AListener: TPersistent);
|
||
|
|
begin
|
||
|
|
inherited AddSelectionChangedListener(AListener);
|
||
|
|
if Listeners.Count > 0 then
|
||
|
|
FDesignHelper.AddSelectionChangedListener(Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.RemoveSelectionChangedListener(AListener: TPersistent);
|
||
|
|
begin
|
||
|
|
inherited RemoveSelectionChangedListener(AListener);
|
||
|
|
if Listeners.Count = 0 then
|
||
|
|
FDesignHelper.RemoveSelectionChangedListener(Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutDesignTimeSelectionHelper.CanDeleteComponent(AComponent: TComponent): Boolean;
|
||
|
|
begin
|
||
|
|
Result := FDesignHelper.CanDeleteComponent(Component, AComponent);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.ClearSelection;
|
||
|
|
begin
|
||
|
|
FDesignHelper.SelectObject(Component, Component);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.GetSelection(AList: TList);
|
||
|
|
begin
|
||
|
|
FDesignHelper.GetSelection(AList);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutDesignTimeSelectionHelper.IsComponentSelected(AComponent: TPersistent): Boolean;
|
||
|
|
begin
|
||
|
|
Result := FDesignHelper.IsObjectSelected(AComponent);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.SelectComponent(AComponent: TPersistent; AShift: TShiftState = []);
|
||
|
|
begin
|
||
|
|
if (ssShift in AShift) and IsComponentSelected(AComponent) then
|
||
|
|
FDesignHelper.UnselectObject(AComponent)
|
||
|
|
else
|
||
|
|
FDesignHelper.SelectObject(AComponent, not (ssShift in AShift));
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.SetSelection(AList: TList);
|
||
|
|
begin
|
||
|
|
FDesignHelper.SetSelection(AList);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutDesignTimeSelectionHelper.UniqueName(const BaseName: string): string;
|
||
|
|
begin
|
||
|
|
Result := FDesignHelper.UniqueName(BaseName)
|
||
|
|
end;
|
||
|
|
|
||
|
|
//IcxDesignSelectionChanged
|
||
|
|
procedure TdxLayoutDesignTimeSelectionHelper.DesignSelectionChanged(ASelection: TList);
|
||
|
|
begin
|
||
|
|
NotifyListeners(ASelection, lsaChanged);
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutLookAndFeelListEditor }
|
||
|
|
|
||
|
|
function TdxLayoutLookAndFeelListEditor.GetLookAndFeelList: TdxLayoutLookAndFeelList;
|
||
|
|
begin
|
||
|
|
Result := TdxLayoutLookAndFeelList(Component);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutLookAndFeelListEditor.InternalGetVerb(AIndex: Integer): string;
|
||
|
|
begin
|
||
|
|
Result := 'Designer...'
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutLookAndFeelListEditor.InternalGetVerbCount: Integer;
|
||
|
|
begin
|
||
|
|
Result := 1;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutLookAndFeelListEditor.InternalExecuteVerb(AIndex: Integer);
|
||
|
|
var
|
||
|
|
AForm: TdxLayoutLookAndFeelListDesignForm;
|
||
|
|
begin
|
||
|
|
if dxLayoutLookAndFeelsDesigner = nil then
|
||
|
|
begin
|
||
|
|
AForm := TdxLayoutLookAndFeelListDesignForm.Create(nil);
|
||
|
|
AForm.Designer := Designer;
|
||
|
|
AForm.Show;
|
||
|
|
end;
|
||
|
|
dxLayoutLookAndFeelsDesigner.SetList(LookAndFeelList);
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutColorProperty }
|
||
|
|
|
||
|
|
const
|
||
|
|
DefaultColorText = 'clDefault';
|
||
|
|
|
||
|
|
function TdxLayoutColorProperty.GetValue: string;
|
||
|
|
begin
|
||
|
|
if GetOrdValue = clDefault then
|
||
|
|
Result := DefaultColorText
|
||
|
|
else
|
||
|
|
Result := inherited GetValue;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutColorProperty.GetValues(Proc: TGetStrProc);
|
||
|
|
begin
|
||
|
|
Proc(DefaultColorText);
|
||
|
|
inherited;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutColorProperty.SetValue(const Value: string);
|
||
|
|
begin
|
||
|
|
if SameText(Value, DefaultColorText) then
|
||
|
|
SetOrdValue(clDefault)
|
||
|
|
else
|
||
|
|
inherited;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutColorProperty.ListDrawValue(const Value: string;
|
||
|
|
ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);
|
||
|
|
begin
|
||
|
|
if Value = DefaultColorText then
|
||
|
|
with ARect do
|
||
|
|
ACanvas.TextRect(ARect, Left + (Bottom - Top) + 1, Top + 1, Value)
|
||
|
|
else
|
||
|
|
inherited;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutColorProperty.PropDrawValue(ACanvas: TCanvas;
|
||
|
|
const ARect: TRect; ASelected: Boolean);
|
||
|
|
begin
|
||
|
|
if GetVisualValue = DefaultColorText then
|
||
|
|
with ARect do
|
||
|
|
ACanvas.TextRect(ARect, Left + 1, Top + 1, GetVisualValue)
|
||
|
|
else
|
||
|
|
inherited;
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutRegistryPathProperty }
|
||
|
|
|
||
|
|
procedure TdxLayoutRegistryPathProperty.Edit;
|
||
|
|
var
|
||
|
|
AControl: TdxLayoutControl;
|
||
|
|
S: string;
|
||
|
|
begin
|
||
|
|
AControl := TdxLayoutControl(GetComponent(0));
|
||
|
|
S := AControl.RegistryPath;
|
||
|
|
if dxGetRegistryPath(S) then
|
||
|
|
begin
|
||
|
|
AControl.RegistryPath := S;
|
||
|
|
Designer.Modified;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutRegistryPathProperty.GetAttributes: TPropertyAttributes;
|
||
|
|
begin
|
||
|
|
Result := inherited GetAttributes + [paDialog];
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutLookAndFeelProperty }
|
||
|
|
|
||
|
|
function TdxLayoutLookAndFeelProperty.AutoFill: Boolean;
|
||
|
|
begin
|
||
|
|
Result := False;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TdxLayoutLookAndFeelProperty.GetLookAndFeelLists: TComponentList;
|
||
|
|
begin
|
||
|
|
Result := TComponentList.Create(False);
|
||
|
|
FLookAndFeelLists := Result;
|
||
|
|
Designer.GetComponentNames(GetTypeData(TdxLayoutLookAndFeelList.ClassInfo),
|
||
|
|
GetLookAndFeelListNameProc);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutLookAndFeelProperty.GetLookAndFeelListNameProc(const S: string);
|
||
|
|
begin
|
||
|
|
FLookAndFeelLists.Add(Designer.GetComponent(S));
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutLookAndFeelProperty.GetValues(Proc: TGetStrProc);
|
||
|
|
var
|
||
|
|
ALookAndFeelLists: TList;
|
||
|
|
I: Integer;
|
||
|
|
begin
|
||
|
|
ALookAndFeelLists := GetLookAndFeelLists;
|
||
|
|
try
|
||
|
|
for I := 0 to ALookAndFeelLists.Count - 1 do
|
||
|
|
begin
|
||
|
|
Proc(sCreateNewLookAndFeelInListBegin +
|
||
|
|
Designer.GetComponentName(ALookAndFeelLists.Items[I]) +
|
||
|
|
sCreateNewLookAndFeelInListEnd);
|
||
|
|
end;
|
||
|
|
finally
|
||
|
|
ALookAndFeelLists.Free;
|
||
|
|
end;
|
||
|
|
Proc(sCreateNewLookAndFeelInNewList);
|
||
|
|
inherited GetValues(Proc);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TdxLayoutLookAndFeelProperty.SetValue(const Value: string);
|
||
|
|
|
||
|
|
procedure CreateAndAssignNewLookAndFeel(ALookAndFeelList: TdxLayoutLookAndFeelList);
|
||
|
|
var
|
||
|
|
ALookAndFeel: TdxCustomLayoutLookAndFeel;
|
||
|
|
ALookAndFeelClass: TdxCustomLayoutLookAndFeelClass;
|
||
|
|
begin
|
||
|
|
if dxLayoutControlSelectLookAndFeel(Designer.Root as TWinControl, ALookAndFeelClass) then
|
||
|
|
begin
|
||
|
|
ALookAndFeel := ALookAndFeelList.CreateItem(ALookAndFeelClass);
|
||
|
|
ALookAndFeel.Name := CreateUniqueName(ALookAndFeel.Owner, nil, ALookAndFeel, '', '');
|
||
|
|
FindRootDesigner(ALookAndFeel).Modified;
|
||
|
|
SetOrdValue(Integer(ALookAndFeel));
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
var
|
||
|
|
ALookAndFeelList: TdxLayoutLookAndFeelList;
|
||
|
|
AName: string;
|
||
|
|
begin
|
||
|
|
if Value = sCreateNewLookAndFeelInNewList then
|
||
|
|
begin
|
||
|
|
ALookAndFeelList := TdxLayoutLookAndFeelList.Create(Designer.Root);
|
||
|
|
ALookAndFeelList.Name := Designer.UniqueName(
|
||
|
|
Copy(ALookAndFeelList.ClassName, 2, Length(ALookAndFeelList.ClassName)));
|
||
|
|
CreateAndAssignNewLookAndFeel(ALookAndFeelList);
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if Copy(Value, 1, Length(sCreateNewLookAndFeelInListBegin)) = sCreateNewLookAndFeelInListBegin then
|
||
|
|
begin
|
||
|
|
AName := Copy(Value, Length(sCreateNewLookAndFeelInListBegin) + 1,
|
||
|
|
Length(Value) - Length(sCreateNewLookAndFeelInListBegin) -
|
||
|
|
Length(sCreateNewLookAndFeelInListEnd));
|
||
|
|
CreateAndAssignNewLookAndFeel(Designer.GetComponent(AName) as TdxLayoutLookAndFeelList);
|
||
|
|
end
|
||
|
|
else
|
||
|
|
inherited SetValue(Value);
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutItemSelectionEditor }
|
||
|
|
|
||
|
|
procedure TdxLayoutItemSelectionEditor.RequiresUnits(Proc: TGetStrProc);
|
||
|
|
var
|
||
|
|
I: Integer;
|
||
|
|
AComponent: TComponent;
|
||
|
|
AItem: TdxLayoutItemAccess;
|
||
|
|
begin
|
||
|
|
for I := 0 to Designer.Root.ComponentCount - 1 do
|
||
|
|
begin
|
||
|
|
AComponent := Designer.Root.Components[I];
|
||
|
|
if AComponent is TdxLayoutItem then
|
||
|
|
begin
|
||
|
|
AItem := TdxLayoutItemAccess(AComponent);
|
||
|
|
if AItem.ControlAdapter <> nil then
|
||
|
|
Proc(dxShortStringToString(GetTypeData(PTypeInfo(AItem.ControlAdapter.ClassType.ClassInfo)).UnitName));
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure Register;
|
||
|
|
begin
|
||
|
|
RegisterComponentEditor(TdxLayoutControl, TdxLayoutControlEditor);
|
||
|
|
RegisterComponentEditor(TdxCustomLayoutItem, TdxLayoutControlItemsEditor);
|
||
|
|
RegisterComponentEditor(TdxLayoutLookAndFeelList, TdxLayoutLookAndFeelListEditor);
|
||
|
|
|
||
|
|
RegisterPropertyEditor(TypeInfo(TColor), TdxCustomLayoutLookAndFeelOptions, '',
|
||
|
|
TdxLayoutColorProperty);
|
||
|
|
RegisterPropertyEditor(TypeInfo(TColor), TdxLayoutLookAndFeelCaptionOptions, '',
|
||
|
|
TdxLayoutColorProperty);
|
||
|
|
RegisterPropertyEditor(TypeInfo(TdxCustomLayoutLookAndFeel), nil, '',
|
||
|
|
TdxLayoutLookAndFeelProperty);
|
||
|
|
RegisterPropertyEditor(TypeInfo(string), TdxLayoutControl, 'RegistryPath',
|
||
|
|
TdxLayoutRegistryPathProperty);
|
||
|
|
|
||
|
|
RegisterSelectionEditor(TdxLayoutItem, TdxLayoutItemSelectionEditor);
|
||
|
|
|
||
|
|
HideClassProperties(TdxLayoutControl, ['AutoContentSizes', 'LookAndFeel',
|
||
|
|
'CustomizeFormTabbedView', 'HighlightRoot', 'ShowDesignSelectors',
|
||
|
|
'IniFileName', 'RegistryPath', 'StoreInIniFile', 'StoreInRegistry']);
|
||
|
|
HideClassProperties(TdxCustomLayoutItem, ['AutoAligns', 'LookAndFeel']);
|
||
|
|
HideClassProperties(TdxLayoutGroup, ['LookAndFeelException']);
|
||
|
|
|
||
|
|
RegisterNoIcon([TdxLayoutItem, TdxLayoutGroup, TdxLayoutAlignmentConstraint,
|
||
|
|
TdxLayoutStandardLookAndFeel, TdxLayoutOfficeLookAndFeel, TdxLayoutWebLookAndFeel]);
|
||
|
|
RegisterComponents('ExpressLayoutControl', [TdxLayoutControl, TdxLayoutLookAndFeelList]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
type
|
||
|
|
|
||
|
|
{ TdxLayoutDesignTimeHelper }
|
||
|
|
|
||
|
|
TdxLayoutDesignTimeHelper = class(TInterfacedObject, IdxLayoutDesignTimeHelper)
|
||
|
|
protected
|
||
|
|
//IdxLayoutDesignTimeHelper
|
||
|
|
function IsToolSelected: Boolean;
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TdxLayoutDesignTimeHelper }
|
||
|
|
|
||
|
|
function TdxLayoutDesignTimeHelper.IsToolSelected: Boolean;
|
||
|
|
begin
|
||
|
|
Result := {$IFDEF DELPHI9}(ActiveDesigner <> nil) and{$ENDIF}
|
||
|
|
ActiveDesigner.Environment.GetToolSelected;
|
||
|
|
end;
|
||
|
|
|
||
|
|
initialization
|
||
|
|
dxLayoutSelectionHelperClass := TdxLayoutDesignTimeSelectionHelper;
|
||
|
|
dxLayoutDesignTimeHelper := TdxLayoutDesignTimeHelper.Create;
|
||
|
|
|
||
|
|
finalization
|
||
|
|
dxLayoutDesignTimeHelper := nil;
|
||
|
|
FreeAndNil(FDesignCustomizationHelper);
|
||
|
|
|
||
|
|
end.
|