738 lines
21 KiB
ObjectPascal
738 lines
21 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 cxGridEditor; // TODO: Add Level and View...
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{$I cxGridVer.inc}
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interface
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uses
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Windows,
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{$IFDEF DELPHI6}
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DesignIntf,
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{$ELSE}
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DsgnIntf,
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{$ENDIF}
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Classes, SysUtils, Controls, Graphics, Forms, cxClasses,
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StdCtrls, ExtCtrls, ComCtrls, Menus,
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cxControls, cxDesignWindows, cxGridStructureNavigator,
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cxGrid, cxGridLevel, cxGridCustomView, cxViewEditor,
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cxGridViewLayoutEditor;
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type
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TSelectedViewInfo = record
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View: TcxCustomGridView;
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MultiView: Boolean;
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end;
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TcxGridEditor = class(TcxDesignFormEditor)
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Panel1: TPanel;
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Panel2: TPanel;
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Panel3: TPanel;
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BClose: TButton;
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Panel4: TPanel;
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PLeft: TPanel;
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PageControl1: TPageControl;
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tsLevels: TTabSheet;
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TabSheet2: TTabSheet;
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Splitter1: TSplitter;
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PLevels: TPanel;
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PViews: TPanel;
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LBViews: TListBox;
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Panel7: TPanel;
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Panel8: TPanel;
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PMGridStructureControl: TPopupMenu;
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Panel6: TPanel;
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BAddLevel: TButton;
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BDeleteLevel: TButton;
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Panel9: TPanel;
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BAddView: TButton;
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BDeleteView: TButton;
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PMViews: TPopupMenu;
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PViewFrame: TPanel;
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Panel11: TPanel;
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Label1: TLabel;
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LSelectedView: TLabel;
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Panel10: TPanel;
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PMViewList: TPopupMenu;
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miDeleteView: TMenuItem;
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N1: TMenuItem;
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miEditLayout: TMenuItem;
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procedure BCloseClick(Sender: TObject);
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procedure BDeleteLevelClick(Sender: TObject);
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procedure BAddLevelClick(Sender: TObject);
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procedure LBViewsClick(Sender: TObject);
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procedure BAddViewClick(Sender: TObject);
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procedure BDeleteViewClick(Sender: TObject);
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procedure GridStructureControlKeyPress(Sender: TObject; var Key: Char);
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procedure FormClose(Sender: TObject; var Action: TCloseAction);
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procedure miEditLayoutClick(Sender: TObject);
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private
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FGridStructureControl: TcxGridStructureControl;
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FGridStructureHelper: TcxGridStructureHelper;
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FViewEditor: TcxViewEditor;
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procedure CreateViewClick(Sender: TObject);
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function GetGrid: TcxCustomGrid;
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function GetView(Index: Integer): TcxCustomGridView;
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function GetViewCount: Integer;
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function GetViewRepository: TcxGridViewRepository;
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procedure GridStructureControlSelectionChanged(Sender: TObject);
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procedure HideViewFrame;
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procedure ShowViewFrame(AView: TcxCustomGridView; AMultiView: Boolean; ARefreshNeeded: Boolean);
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procedure UpdateButtons;
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procedure UpdateDesigner(Sender: TObject);
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procedure UpdateGridStructureControl;
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procedure UpdateGridStructureControlSelection;
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procedure UpdateViewFrame(ARefreshNeeded: Boolean);
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procedure UpdateViewFrameCaption;
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procedure UpdateViewList;
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procedure UpdateViewListSelection;
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protected
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function GetSelectedViewInfo: TSelectedViewInfo;
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function GetViewEditorClass(AView: TcxCustomGridView): TcxViewEditorClass; virtual;
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procedure InitFormEditor; override;
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procedure LoadSettings;
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procedure SaveSettings;
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procedure ShowDefaultView;
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function UniqueName(Component: TComponent): string; override;
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procedure UpdateContent; override;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure DoItemsModified; override;
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function GetRegKey: string;
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function GetRegSectionName: string;
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procedure SelectionsChanged(const ASelection: TDesignerSelectionList); override;
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property Grid: TcxCustomGrid read GetGrid;
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property ViewCount: Integer read GetViewCount;
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property ViewRepository: TcxGridViewRepository read GetViewRepository;
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property Views[Index: Integer]: TcxCustomGridView read GetView;
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end;
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procedure ShowGridEditor(ADesigner: IDesigner; AGrid: TcxCustomGrid);
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procedure ShowViewRepositoryEditor(ADesigner: IDesigner; AViewRepository: TcxGridViewRepository);
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implementation
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{$IFDEF WIN32}
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uses
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Registry;
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{$ENDIF}
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{$R *.dfm}
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procedure ShowGridEditor(ADesigner: IDesigner; AGrid: TcxCustomGrid);
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begin
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ShowFormEditorClass(ADesigner, AGrid, TcxGridEditor);
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end;
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procedure ShowViewRepositoryEditor(ADesigner: IDesigner; AViewRepository: TcxGridViewRepository);
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begin
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ShowFormEditorClass(ADesigner, AViewRepository, TcxGridEditor);
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end;
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{ TcxGridEditor }
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constructor TcxGridEditor.Create(AOwner: TComponent);
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begin
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inherited;
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end;
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destructor TcxGridEditor.Destroy;
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begin
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FreeAndNil(FGridStructureHelper);
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inherited Destroy;
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end;
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procedure TcxGridEditor.DoItemsModified;
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begin
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inherited;
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UpdateViewList;
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UpdateViewFrame(True);
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end;
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function TcxGridEditor.GetRegKey: string;
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begin
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Result := GetBaseRegKey + '\TcxGridEditor';
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end;
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function TcxGridEditor.GetRegSectionName: string;
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begin
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Result := ComponentClassName;
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end;
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procedure TcxGridEditor.SelectionsChanged(const ASelection: TDesignerSelectionList);
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begin
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if Closing then Exit;
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UpdateGridStructureControlSelection;
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UpdateViewListSelection;
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UpdateButtons;
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UpdateViewFrame(False);
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end;
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function TcxGridEditor.GetSelectedViewInfo: TSelectedViewInfo;
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var
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ASelectionList: TDesignerSelectionList;
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AView: TcxCustomGridView;
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I: Integer;
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begin
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Result.View := nil;
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Result.MultiView := False;
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ASelectionList := CreateDesignerSelectionList;
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try
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Designer.GetSelections(ASelectionList);
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// Views
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for I := 0 to ASelectionList.Count - 1 do
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if (ASelectionList[I] is TcxCustomGridView) and
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IsViewLinkedToComponent(TcxCustomGridView(ASelectionList[I]), Component) then
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if Result.View = nil then
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Result.View := ASelectionList[I] as TcxCustomGridView
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else
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begin
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Result.View := nil;
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Result.MultiView := True;
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Exit;
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end;
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// Levels
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if Result.View = nil then
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for I := 0 to ASelectionList.Count - 1 do
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if (ASelectionList[I] is TcxGridLevel) and
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(TcxGridLevel(ASelectionList[I]).GetParentComponent = Component) then
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if Result.View = nil then
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Result.View := (ASelectionList[I] as TcxGridLevel).GridView
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else
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begin
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Result.View := nil;
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Result.MultiView := True;
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Break;
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end;
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// View childs
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if Result.View = nil then
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for I := 0 to ASelectionList.Count - 1 do
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begin
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AView := GetLinkedView(ASelectionList[I]);
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if (AView <> nil) and IsViewLinkedToComponent(AView, Component) then
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if Result.View = nil then
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Result.View := AView
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else
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if Result.View <> AView then
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begin
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Result.View := nil;
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Result.MultiView := True;
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Break;
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end;
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end;
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finally
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DeleteDesignerSelectionList(ASelectionList);
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end;
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if (Result.View <> nil) and (csDestroying in Result.View.ComponentState) then
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Result.View := nil;
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end;
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function TcxGridEditor.GetViewEditorClass(AView: TcxCustomGridView): TcxViewEditorClass;
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begin
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Result := cxViewEditor.GetViewEditorClass(TcxCustomGridViewClass(AView.ClassType));
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end;
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procedure TcxGridEditor.InitFormEditor;
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begin
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inherited InitFormEditor;
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FGridStructureControl := TcxGridStructureControl.Create(Self);
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with FGridStructureControl do
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begin
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Align := alClient;
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Grid := Self.Grid;
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MayFocused := True;
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MultiSelect := True;
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Keys := [kChars];
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OnKeyPress := GridStructureControlKeyPress;
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OnSelectionChanged := GridStructureControlSelectionChanged;
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Parent := PLevels;
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end;
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FGridStructureHelper := TcxGridStructureHelper.Create(FGridStructureControl);
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FGridStructureHelper.OnUpdateDesigner := UpdateDesigner;
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tsLevels.TabVisible := Grid <> nil;
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LSelectedView.Caption := '';
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UpdateViewList;
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UpdateSelection;
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ShowDefaultView;
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LoadSettings;
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end;
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procedure TcxGridEditor.LoadSettings;
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begin
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Constraints.MinHeight := 340; // TODO
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Constraints.MinWidth := 430;
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{$IFDEF WIN32}
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with TRegIniFile.Create(GetRegKey) do
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try
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Width := ReadInteger(GetRegSectionName, 'Width', Width);
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Height := ReadInteger(GetRegSectionName, 'Height', Height);
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PLeft.Width := ReadInteger(GetRegSectionName, 'PLeft.Width', PLeft.Width);
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// TODO: splitters
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finally
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Free;
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end;
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{$ENDIF}
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end;
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procedure TcxGridEditor.SaveSettings;
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begin
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{$IFDEF WIN32}
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with TRegIniFile.Create(GetRegKey) do
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try
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EraseSection(GetRegSectionName);
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WriteInteger(GetRegSectionName, 'Width', Width);
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WriteInteger(GetRegSectionName, 'Height', Height);
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WriteInteger(GetRegSectionName, 'PLeft.Width', PLeft.Width);
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// TODO: splitters
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finally
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Free;
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end;
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{$ENDIF}
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end;
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procedure TcxGridEditor.ShowDefaultView;
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begin
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if (FViewEditor = nil) and (Grid <> nil) and (Grid.Levels.Count > 0) and
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(Grid.Levels[0].GridView <> nil) then
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ShowViewFrame(Grid.Levels[0].GridView, False, True);
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end;
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function TcxGridEditor.UniqueName(Component: TComponent): string;
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begin
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if Component is TcxGridLevel then
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begin
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if Grid <> nil then
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Result := GenLevelName(Grid, Component as TcxGridLevel)
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else
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Result := inherited UniqueName(Component); // TODO
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end
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else
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if Component is TcxCustomGridView then
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Result := GenViewName(Self.Component, Component as TcxCustomGridView)
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else
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Result := inherited UniqueName(Component); // TODO
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end;
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procedure TcxGridEditor.UpdateContent;
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begin
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inherited UpdateContent;
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UpdateGridStructureControl;
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UpdateViewList;
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UpdateButtons;
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UpdateViewFrame(True);
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end;
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procedure TcxGridEditor.CreateViewClick(Sender: TObject);
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procedure CreateView(AViewClass: TcxCustomGridViewClass);
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var
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AView: TcxCustomGridView;
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begin
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FGridStructureControl.BeginUpdate;
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try
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ListBoxClearSelection(LBViews);
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if Grid <> nil then
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AView := Grid.CreateView(AViewClass)
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else
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AView := ViewRepository.CreateItem(AViewClass);
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AView.Name := GenViewName(Component, AView);
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RestoreViewFromTemplate(GetViewTemplateRegKey, AView);
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UpdateViewList;
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ListBoxSelectByObject(LBViews, AView);
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UpdateDesigner(nil);
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finally
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FGridStructureControl.EndUpdate;
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end;
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LBViewsClick(nil);
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end;
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var
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AMenuItem: TMenuItem;
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AIndex: Integer;
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begin
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AMenuItem := Sender as TMenuItem;
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AIndex := AMenuItem.Parent.IndexOf(AMenuItem);
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if (0 <= AIndex) and (AIndex < cxGridRegisteredViews.Count) then
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CreateView(TcxCustomGridViewClass(cxGridRegisteredViews[AIndex]));
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end;
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function TcxGridEditor.GetGrid: TcxCustomGrid;
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begin
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if Component is TcxCustomGrid then
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Result := TcxCustomGrid(Component)
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else
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Result := nil;
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end;
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function TcxGridEditor.GetView(Index: Integer): TcxCustomGridView;
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begin
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if Grid <> nil then
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Result := Grid.Views[Index]
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else
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Result := ViewRepository[Index];
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end;
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function TcxGridEditor.GetViewCount: Integer;
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begin
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if Grid <> nil then
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Result := Grid.ViewCount
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else
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Result := ViewRepository.Count;
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end;
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function TcxGridEditor.GetViewRepository: TcxGridViewRepository;
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begin
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if Component is TcxGridViewRepository then
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Result := TcxGridViewRepository(Component)
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else
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Result := nil;
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end;
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procedure TcxGridEditor.GridStructureControlKeyPress(Sender: TObject; var Key: Char);
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begin
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case Key of
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#13, #33..#126:
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begin
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if Key = #13 then Key := #0;
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ActivateInspector(Key);
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Key := #0;
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end;
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end;
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end;
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procedure TcxGridEditor.GridStructureControlSelectionChanged(Sender: TObject);
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var
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AList: TList;
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begin
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BeginUpdate;
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try
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AList := TList.Create;
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try
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FGridStructureControl.GetSelection(AList);
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SelectComponents(AList, Component.Owner);
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finally
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AList.Free;
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end;
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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 TcxGridEditor.HideViewFrame;
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begin
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if FViewEditor <> nil then
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begin
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FViewEditor.HideFrame;
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FViewEditor.PViewEditor.Parent := FViewEditor;
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FViewEditor.Release;
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end;
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FViewEditor := nil;
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end;
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procedure TcxGridEditor.ShowViewFrame(AView: TcxCustomGridView; AMultiView: Boolean;
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ARefreshNeeded: Boolean);
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function IsExist(AView: TcxCustomGridView): Boolean;
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var
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I: Integer;
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begin
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Result := False;
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for I := 0 to ViewCount - 1 do
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if Views[I] = AView then
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begin
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Result := True;
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Break;
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end;
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end;
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var
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AViewEditorClass: TcxViewEditorClass;
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begin
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if (FViewEditor <> nil) and (AView = nil) and not AMultiView and IsExist(FViewEditor.View) then
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begin
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FViewEditor.SetView(FViewEditor.View, ARefreshNeeded);
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end
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else
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if (FViewEditor <> nil) and
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(AView <> nil) and (FViewEditor.ClassType = GetViewEditorClass(AView)) and
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(FViewEditor.View = AView) then
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begin
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FViewEditor.SetView(AView, ARefreshNeeded);
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end
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else
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begin
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HideViewFrame;
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if AView <> nil then
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begin
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AViewEditorClass := GetViewEditorClass(AView);
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if AViewEditorClass <> nil then
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begin
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FViewEditor := AViewEditorClass.Create(Self);
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FViewEditor.FormEditor := Self;
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FViewEditor.SetView(AView, True);
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FViewEditor.PViewEditor.Parent := PViewFrame;
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end;
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end;
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end;
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UpdateViewFrameCaption;
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end;
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procedure TcxGridEditor.UpdateButtons;
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var
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ASelectionLevelCount: Integer;
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begin
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ASelectionLevelCount := FGridStructureControl.GetSelectionLevelCount;
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BAddLevel.Enabled := ASelectionLevelCount <= 1;
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BDeleteLevel.Enabled := ASelectionLevelCount > 0;
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BDeleteView.Enabled := LBViews.SelCount > 0;
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miDeleteView.Enabled := BDeleteView.Enabled;
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miEditLayout.Enabled := LBViews.SelCount = 1;
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// TODO: Popup Menu
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end;
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procedure TcxGridEditor.UpdateDesigner(Sender: TObject);
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begin
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Designer.Modified;
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end;
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procedure TcxGridEditor.UpdateGridStructureControl;
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begin
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FGridStructureControl.Changed;
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end;
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|
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procedure TcxGridEditor.UpdateGridStructureControlSelection;
|
|
var
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AList: TList;
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begin
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AList := TList.Create;
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try
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GetSelectionList(AList);
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FGridStructureControl.SyncSelection(AList);
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finally
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AList.Free;
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end;
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end;
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|
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procedure TcxGridEditor.UpdateViewFrame(ARefreshNeeded: Boolean);
|
|
var
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ASelectedViewInfo: TSelectedViewInfo;
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begin
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ASelectedViewInfo := GetSelectedViewInfo;
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ShowViewFrame(ASelectedViewInfo.View, ASelectedViewInfo.MultiView, ARefreshNeeded);
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end;
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|
|
procedure TcxGridEditor.UpdateViewFrameCaption;
|
|
begin
|
|
if FViewEditor <> nil then
|
|
LSelectedView.Caption := FViewEditor.View.Name
|
|
else
|
|
LSelectedView.Caption := '';
|
|
end;
|
|
|
|
procedure TcxGridEditor.UpdateViewList;
|
|
var
|
|
I, AItemIndex, ATopIndex: Integer;
|
|
ASelection: TStringList;
|
|
begin
|
|
ListBoxSaveSelection(LBViews, ASelection, AItemIndex, ATopIndex);
|
|
try
|
|
LBViews.Items.Clear;
|
|
for I := 0 to ViewCount - 1 do
|
|
LBViews.Items.AddObject(Views[I].Name, Views[I]);
|
|
finally
|
|
ListBoxRestoreSelection(LBViews, ASelection, AItemIndex, ATopIndex);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditor.UpdateViewListSelection;
|
|
var
|
|
AList: TList;
|
|
begin
|
|
AList := TList.Create;
|
|
try
|
|
GetSelectionList(AList);
|
|
ListBoxSyncSelection(LBViews, AList);
|
|
//Application.ProcessMessages;
|
|
finally
|
|
AList.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditor.BCloseClick(Sender: TObject);
|
|
begin
|
|
Close;
|
|
end;
|
|
|
|
// Levels
|
|
|
|
procedure TcxGridEditor.BAddLevelClick(Sender: TObject);
|
|
var
|
|
ALevel: TcxGridLevel;
|
|
begin
|
|
if Grid = nil then Exit;
|
|
FGridStructureControl.BeginUpdate;
|
|
try
|
|
ALevel := FGridStructureControl.GetSelectedLevel;
|
|
if ALevel <> nil then
|
|
ALevel := ALevel.Add
|
|
else
|
|
ALevel := Grid.Levels.Add;
|
|
ALevel.Name := GenLevelName(Grid, ALevel);
|
|
UpdateDesigner(nil);
|
|
finally
|
|
FGridStructureControl.EndUpdate;
|
|
end;
|
|
GridStructureControlSelectionChanged(nil);
|
|
end;
|
|
|
|
procedure TcxGridEditor.BDeleteLevelClick(Sender: TObject);
|
|
var
|
|
AList: TList;
|
|
ALevel: TcxGridLevel;
|
|
I, J: Integer;
|
|
begin
|
|
AList := TList.Create;
|
|
try
|
|
FGridStructureControl.GetSelectionLevels(AList);
|
|
for I := AList.Count - 1 downto 0 do
|
|
begin
|
|
ALevel := TcxGridLevel(AList[I]);
|
|
for J := 0 to I - 1 do
|
|
if TcxGridLevel(AList[J]).HasAsChild(ALevel) then
|
|
begin
|
|
AList.Delete(I);
|
|
Break;
|
|
end;
|
|
end;
|
|
if AList.Count > 0 then
|
|
begin
|
|
FGridStructureControl.BeginUpdate;
|
|
try
|
|
for I := 0 to AList.Count - 1 do
|
|
TcxGridLevel(AList[I]).Free;
|
|
UpdateDesigner(nil);
|
|
finally
|
|
FGridStructureControl.EndUpdate;
|
|
end;
|
|
end;
|
|
finally
|
|
AList.Free;
|
|
end;
|
|
GridStructureControlSelectionChanged(nil);
|
|
end;
|
|
|
|
// Views
|
|
|
|
procedure TcxGridEditor.LBViewsClick(Sender: TObject);
|
|
var
|
|
AList: TList;
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
AList := TList.Create;
|
|
try
|
|
ListBoxGetSelection(LBViews, AList);
|
|
SelectComponents(AList, Component);
|
|
finally
|
|
AList.Free;
|
|
end;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditor.BAddViewClick(Sender: TObject);
|
|
|
|
function CreateMenuItem(const ACaption: string; AOnClick: TNotifyEvent): TMenuItem;
|
|
begin
|
|
Result := TMenuItem.Create(PMViews);
|
|
Result.Caption := ACaption;
|
|
Result.OnClick := AOnClick;
|
|
end;
|
|
|
|
var
|
|
I: Integer;
|
|
P: TPoint;
|
|
begin
|
|
// TODO: cxButton
|
|
while PMViews.Items.Count > 0 do
|
|
PMViews.Items[0].Free;
|
|
for I := 0 to cxGridRegisteredViews.Count - 1 do
|
|
PMViews.Items.Add(CreateMenuItem(cxGridRegisteredViews.Descriptions[I], CreateViewClick));
|
|
P.X := 0;
|
|
P.Y := BAddView.Height;
|
|
P := BAddView.ClientToScreen(P);
|
|
PMViews.Popup(P.X, P.Y);
|
|
end;
|
|
|
|
procedure TcxGridEditor.BDeleteViewClick(Sender: TObject);
|
|
begin
|
|
if LBViews.SelCount > 0 then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
ListBoxDeleteSelection(LBViews, True);
|
|
UpdateViewList;
|
|
LBViewsClick(nil);
|
|
UpdateDesigner(nil);
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditor.miEditLayoutClick(Sender: TObject);
|
|
var
|
|
ASelectedViewInfo: TSelectedViewInfo;
|
|
begin
|
|
ASelectedViewInfo := GetSelectedViewInfo;
|
|
if not ASelectedViewInfo.MultiView and (ASelectedViewInfo.View <> nil) then
|
|
begin
|
|
if ShowGridViewLayoutEditor(ASelectedViewInfo.View) then
|
|
UpdateDesigner(nil);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxGridEditor.FormClose(Sender: TObject;
|
|
var Action: TCloseAction);
|
|
begin
|
|
SaveSettings;
|
|
inherited;
|
|
end;
|
|
|
|
end.
|