david
08e42642b8
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@21 05c56307-c608-d34a-929d-697000501d7a
375 lines
13 KiB
ObjectPascal
375 lines
13 KiB
ObjectPascal
unit CustomDrawTableViewDemoStylesEditor;
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interface
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uses
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Windows, Messages, Classes, Graphics, Controls, Forms,
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Dialogs, StdCtrls, cxButtons, cxDropDownEdit, cxMRUEdit, cxControls,
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cxContainer, cxEdit, cxTextEdit, cxMaskEdit, cxButtonEdit, CheckLst,
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ExtCtrls, ComCtrls, Buttons, cxLookAndFeelPainters, cxRadioGroup,
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cxImageComboBox, DemoUtils;
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type
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TCustomDrawTableViewDemoStylesEditorForm = class(TForm)
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btnClose: TcxButton;
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tvCustomDrawItems: TTreeView;
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gbEventHandlerSettings: TGroupBox;
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lbFont: TLabel;
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sbFont: TSpeedButton;
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bvSeparator: TBevel;
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lbIndicatorGlyph: TLabel;
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cbGradient: TcxComboBox;
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mruBkImage: TcxMRUEdit;
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rbBackGroundImage: TcxRadioButton;
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rbGradient: TcxRadioButton;
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rbDependsOnTheData: TcxRadioButton;
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rbDafaultDrawing: TcxRadioButton;
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pnSampleText: TPanel;
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icbIndicatorImages: TcxImageComboBox;
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FontDialog: TFontDialog;
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OpenDialog: TOpenDialog;
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procedure FormCreate(Sender: TObject);
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procedure mruBkImagePropertiesButtonClick(Sender: TObject);
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procedure rbBackGroundImageClick(Sender: TObject);
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procedure rbGradientClick(Sender: TObject);
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procedure rbDependsOnTheDataClick(Sender: TObject);
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procedure rbDafaultDrawingClick(Sender: TObject);
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procedure tvCustomDrawItemsClick(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure mruBkImagePropertiesChange(Sender: TObject);
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procedure sbFontClick(Sender: TObject);
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procedure cbGradientPropertiesChange(Sender: TObject);
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procedure btnCloseClick(Sender: TObject);
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procedure mruBkImageKeyPress(Sender: TObject; var Key: Char);
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procedure icbIndicatorImagesPropertiesEditValueChanged(
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Sender: TObject);
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private
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FUserDefinedImage: TBitMap;
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FIsUpdating: Boolean;
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procedure DisableControls(Sender: TcxCustomMaskEdit);
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procedure SetProperties(ACustomDrawingStyle: TCustomDrawingStyle);
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function GetBkImageText: String;
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procedure SetFont;
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function GetGradientColorText: String;
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end;
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var
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CustomDrawTableViewDemoStylesEditorForm: TCustomDrawTableViewDemoStylesEditorForm;
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implementation
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uses CustomDrawTableViewDemoMain;
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{$R *.dfm}
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procedure TCustomDrawTableViewDemoStylesEditorForm.FormCreate(Sender: TObject);
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var
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I, J: Integer;
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p: TCustomDrawItem;
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Node: TTreeNode;
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begin
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Node := tvCustomDrawItems.Items[0];
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for I:=0 to 1 do
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for J:=0 to 5 do
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begin
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p := TCustomDrawItem.Create;
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p.ViewType := TViewType(I);
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p.CustomDrawArea := TCustomDrawArea(J);
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if Node.HasChildren then
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Node := Node.GetNext;
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if Node <> nil then
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Node.Data := p;
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Node := Node.GetNext;
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end;
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tvCustomDrawItems.FullExpand;
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tvCustomDrawItems.Selected :=
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tvCustomDrawItems.Items.GetFirstNode.getFirstChild;
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tvCustomDrawItems.Items.GetFirstNode.getFirstChild.Focused := True;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.mruBkImagePropertiesButtonClick(
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Sender: TObject);
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begin
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if OpenDialog.Execute then
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begin
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if FUserDefinedImage = nil then
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begin
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FUserDefinedImage.Free;
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FUserDefinedImage := nil;
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end;
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FUserDefinedImage := TBitmap.Create;
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try
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FUserDefinedImage.LoadFromFile(OpenDialog.FileName);
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FIsUpdating := True;
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mruBkImage.Text := 'User Defined';
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FIsUpdating := False;
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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begin
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CustomDrawTableViewDemoMainForm.UserDefindedBitmap[ViewType, CustomDrawArea] := FUserDefinedImage;
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CustomDrawTableViewDemoMainForm.CustomBkImage[ViewType, CustomDrawArea] := bkiUserDefined;
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end;
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finally
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FUserDefinedImage := nil;
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end;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.DisableControls(Sender: TcxCustomMaskEdit);
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var
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I: Integer;
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begin
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for I :=0 to ComponentCount - 1 do
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if (Components[i] is TcxCustomMaskEdit) and (Components[i] <> Sender) and not (Components[i] is TcxImageComboBox) then
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(Components[i] as TControl).Enabled := False;
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if Sender <> nil then
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Sender.Enabled := True;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.rbBackGroundImageClick(
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Sender: TObject);
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begin
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if not (Sender as TcxRadioButton).Checked then (Sender as TcxRadioButton).Checked := True;
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DisableControls(mruBkImage);
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea] := cdsBkImage;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.rbGradientClick(
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Sender: TObject);
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begin
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if not (Sender as TcxRadioButton).Checked then (Sender as TcxRadioButton).Checked := True;
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DisableControls(cbGradient);
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea] := cdsGradient;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.rbDependsOnTheDataClick(Sender: TObject);
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begin
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if not (Sender as TcxRadioButton).Checked then (Sender as TcxRadioButton).Checked := True;
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DisableControls(nil);
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea] := cdsDependOnData;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.rbDafaultDrawingClick(Sender: TObject);
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begin
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if not (Sender as TcxRadioButton).Checked then (Sender as TcxRadioButton).Checked := True;
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DisableControls(nil);
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea] := cdsDefaultDrawing;
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end;
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function TCustomDrawTableViewDemoStylesEditorForm.GetBkImageText: String;
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begin
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if (tvCustomDrawItems.Selected <> nil) and (tvCustomDrawItems.Selected.Data <> nil) then
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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case CustomDrawTableViewDemoMainForm.CustomBkImage[ViewType, CustomDrawArea] of
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bkiTile: Result := 'Tile';
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bkiSky: Result := 'Sky';
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bkiEgypt: Result := 'Egypt';
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bkiMyFace: Result := 'My Face';
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bkiUserDefined: Result := 'User Defined';
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end;
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end;
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function TCustomDrawTableViewDemoStylesEditorForm.GetGradientColorText: String;
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begin
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if (tvCustomDrawItems.Selected <> nil) and (tvCustomDrawItems.Selected.Data <> nil) then
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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case CustomDrawTableViewDemoMainForm.CustomColorScheme[ViewType, CustomDrawArea] of
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csGrey: Result := 'Grey';
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csGold: Result := 'Gold';
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csBlue: Result := 'Blue';
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csGreen: Result := 'Green';
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.SetFont;
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begin
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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pnSampleText.Font.Assign(CustomDrawTableViewDemoMainForm.Fonts[ViewType, CustomDrawArea]);
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.SetProperties(ACustomDrawingStyle: TCustomDrawingStyle);
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begin
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FIsUpdating := True;
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mruBkImage.Text := GetBkImageText;
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cbGradient.Text := GetGradientColorText;
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FIsUpdating := False;
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SetFont;
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case ACustomDrawingStyle of
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cdsBkImage: rbBackGroundImageClick(rbBackGroundImage);
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cdsGradient: rbGradientClick(rbGradient);
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cdsDependOnData: rbDependsOnTheDataClick(rbDependsOnTheData);
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cdsDefaultDrawing: rbDafaultDrawingClick(rbDafaultDrawing);
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.tvCustomDrawItemsClick(
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Sender: TObject);
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procedure SetFontVisibility(AIsVisible: Boolean = False);
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begin
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lbFont.Visible := AIsVisible;
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sbFont.Visible := AIsVisible;
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pnSampleText.Visible := AIsVisible;
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end;
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procedure SetDependsOnTheDataVisibility(AIsVisible: Boolean = False);
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begin
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rbDependsOnTheData.Visible := AIsVisible;
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end;
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procedure SetIndicatorCellVisibility(AIsVisible: Boolean);
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begin
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lbIndicatorGlyph.Visible := AIsVisible;
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icbIndicatorImages.Visible := AIsVisible;
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end;
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procedure SetIndicatorImage(AViewType: TViewType);
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begin
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icbIndicatorImages.ItemIndex :=
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CustomDrawTableViewDemoMainForm.IndicatorImageIndex[AViewType];
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end;
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begin
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if (tvCustomDrawItems.Selected <> nil) then
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begin
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if (tvCustomDrawItems.Selected.Data = nil) then
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gbEventHandlerSettings.Visible := False
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else
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begin
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if not gbEventHandlerSettings.Visible then
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gbEventHandlerSettings.Visible := True;
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case TCustomDrawItem(tvCustomDrawItems.Selected.Data).CustomDrawArea of
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cdaPartBackGround:
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begin
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SetDependsOnTheDataVisibility;
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SetFontVisibility;
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SetIndicatorCellVisibility(False);
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end;
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cdaColumnHeader, cdaFooterCell, cdaGroupCell:
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begin
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SetDependsOnTheDataVisibility;
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SetFontVisibility(True);
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SetIndicatorCellVisibility(False);
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end;
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cdaCell:
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begin
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SetDependsOnTheDataVisibility(True);
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SetFontVisibility(True);
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SetIndicatorCellVisibility(False);
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end;
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cdaIndicatorCell:
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begin
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SetDependsOnTheDataVisibility;
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SetFontVisibility(False);
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SetIndicatorCellVisibility(True);
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SetIndicatorImage(TCustomDrawItem(tvCustomDrawItems.Selected.Data).ViewType);
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end;
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end;
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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SetProperties(CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea]);
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end;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.FormDestroy(
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Sender: TObject);
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var
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I: Integer;
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begin
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for I:=0 to tvCustomDrawItems.Items.Count - 1 do
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if tvCustomDrawItems.Items[I].Data <> nil then
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TCustomDrawItem(tvCustomDrawItems.Items[I].Data).Free;
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if FUserDefinedImage = nil then
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begin
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FUserDefinedImage.Free;
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FUserDefinedImage := nil;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.FormShow(
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Sender: TObject);
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begin
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if (tvCustomDrawItems.Selected <> nil) and (tvCustomDrawItems.Selected.Data <> nil) then
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begin
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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SetProperties(CustomDrawTableViewDemoMainForm.CustomDrawingStyle[ViewType, CustomDrawArea]);
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tvCustomDrawItemsClick(tvCustomDrawItems.Selected);
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.mruBkImagePropertiesChange(
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Sender: TObject);
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var
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BkImage: TBkImage;
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begin
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if FIsUpdating then Exit;
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if tvCustomDrawItems.Selected <> nil then
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begin
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BkImage := bkiUserDefined;
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if (Sender as TcxMRUEdit).Text = 'Tile' then
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BkImage := bkiTile else
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if (Sender as TcxMRUEdit).Text = 'Sky' then
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BkImage := bkiSky else
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if (Sender as TcxMRUEdit).Text = 'Egypt' then
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BkImage := bkiEgypt else
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if (Sender as TcxMRUEdit).Text = 'My Face' then
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BkImage := bkiMyFace;
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomBkImage[ViewType, CustomDrawArea] := BkImage;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.sbFontClick(
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Sender: TObject);
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begin
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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FontDialog.Font.Assign(CustomDrawTableViewDemoMainForm.Fonts[ViewType, CustomDrawArea]);
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if FontDialog.Execute then
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begin
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pnSampleText.Font.Assign(FontDialog.Font);
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.Fonts[ViewType, CustomDrawArea] := FontDialog.Font;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.cbGradientPropertiesChange(
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Sender: TObject);
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var
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ColorScheme: TColorScheme;
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begin
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if FIsUpdating then Exit;
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if tvCustomDrawItems.Selected <> nil then
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begin
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ColorScheme := csGrey;
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if (Sender as TcxComboBox).Text = 'Blue' then
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ColorScheme := csBlue else
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if (Sender as TcxComboBox).Text = 'Gold' then
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ColorScheme := csGold else
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if (Sender as TcxComboBox).Text = 'Green' then
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ColorScheme := csGreen;
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.CustomColorScheme[ViewType, CustomDrawArea] := ColorScheme;
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end;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.btnCloseClick(
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Sender: TObject);
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begin
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Close;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.mruBkImageKeyPress(
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Sender: TObject; var Key: Char);
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begin
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Key := #7;
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end;
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procedure TCustomDrawTableViewDemoStylesEditorForm.icbIndicatorImagesPropertiesEditValueChanged(
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Sender: TObject);
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begin
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if tvCustomDrawItems.Selected.Data <> nil then
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with TCustomDrawItem(tvCustomDrawItems.Selected.Data) do
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CustomDrawTableViewDemoMainForm.IndicatorImageIndex[ViewType] := TcxImageComboBox(Sender).ItemIndex;
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end;
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end.
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