david
08e42642b8
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@21 05c56307-c608-d34a-929d-697000501d7a
293 lines
9.8 KiB
ObjectPascal
293 lines
9.8 KiB
ObjectPascal
unit CustomDrawDemoMain;
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interface
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{$I ..\cxVer.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, DemoBasicMain, cxStyles, cxGraphics, cxEdit, cxScheduler,
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cxSchedulerCustomControls, cxSchedulerCustomResourceView,
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cxSchedulerDayView, cxSchedulerDateNavigator, cxLookAndFeels, Menus,
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StdCtrls, cxControls, cxSchedulerStorage, ExtCtrls, ComCtrls,
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cxSchedulerTimeGridView, cxSchedulerUtils, cxSchedulerWeekView,
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cxSchedulerYearView, cxGeometry;
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type
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TCustomDrawDemoMainForm = class(TDemoBasicMainForm)
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Storage: TcxSchedulerStorage;
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CustomDraw1: TMenuItem;
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miEvents: TMenuItem;
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miTimeRuler: TMenuItem;
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miHeaders: TMenuItem;
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miContent: TMenuItem;
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DateNavigator1: TMenuItem;
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miMonthHeaders: TMenuItem;
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miDayCaptions: TMenuItem;
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miDays: TMenuItem;
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ViewDay1: TMenuItem;
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miContainer: TMenuItem;
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miResources: TMenuItem;
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miGroupSeparator: TMenuItem;
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cxStyleRepository1: TcxStyleRepository;
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csBoldItalic: TcxStyle;
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csItalic: TcxStyle;
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csRed: TcxStyle;
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miDNContent: TMenuItem;
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procedure FormCreate(Sender: TObject);
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procedure SchedulerDateNavigatorCustomDrawHeader(Sender: TObject;
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ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorMonthHeaderViewInfo;
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var ADone: Boolean);
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procedure SchedulerDateNavigatorCustomDrawDayCaption(Sender: TObject;
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ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorDayCaptionViewInfo;
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var ADone: Boolean);
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procedure SchedulerDateNavigatorCustomDrawDayNumber(Sender: TObject;
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ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorDayNumberViewInfo;
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var ADone: Boolean);
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procedure SchedulerDateNavigatorCustomDrawContent(Sender: TObject;
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ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorMonthContentViewInfo;
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var ADone: Boolean);
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procedure SchedulerCustomDrawDayHeader(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerDayHeaderCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerViewDayCustomDrawRuler(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerTimeRulerCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerViewDayCustomDrawContainer(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerContainerCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerCustomDrawEvent(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerEventCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerCustomDrawContent(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerContentCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerCustomDrawResourceHeader(Sender: TObject;
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ACanvas: TcxCanvas; AViewInfo: TcxSchedulerHeaderCellViewInfo;
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var ADone: Boolean);
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procedure SchedulerCustomDrawGroupSeparator(Sender: TObject;
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ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerGroupSeparatorCellViewInfo;
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var ADone: Boolean);
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procedure FormDestroy(Sender: TObject);
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procedure UpdateCustomDraw(Sender: TObject);
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private
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FDaysOffIndexes: array[1..2] of Byte;
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end;
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var
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CustomDrawDemoMainForm: TCustomDrawDemoMainForm;
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implementation
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uses
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cxDateUtils, {$IFDEF DELPHI6}DateUtils,{$ENDIF}
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dxOffice11, cxFormats;
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{$R *.dfm}
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var
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W1, H1, C1, C2: Integer;
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ABitmap: TBitmap;
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procedure FillGradientRect(ACanvas: TcxCanvas;
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const ARect: TRect; AColor1, AColor2: TColor; AHorizontal: Boolean);
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begin
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with ARect do
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begin
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W1 := Right - Left;
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H1 := Bottom - Top;
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if (W1 < 1) or (H1 < 1) then Exit;
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if (ABitmap.Height <> H1) or (ABitmap.Width <> W1) or (AColor1 <> C1) or (AColor2 <> C2) then
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begin
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C1 := AColor1;
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C2 := AColor2;
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ABitmap.Free;
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ABitmap := TBitmap.Create;
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ABitmap.PixelFormat := pf32Bit;
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ABitmap.Height := H1;
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ABitmap.Width := W1;
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FillTubeGradientRect(ABitmap.Canvas.Handle, Rect(0, 0, W1, H1),
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AColor1, AColor2, AHorizontal);
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end;
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BitBlt(ACanvas.Handle, Left, Top, W1, H1, ABitmap.Canvas.Handle, 0, 0, srcCopy);
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end;
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end;
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procedure TCustomDrawDemoMainForm.FormCreate(Sender: TObject);
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var
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I, J: Integer;
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begin
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inherited FormCreate(Sender);
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ABitmap := TBitmap.Create;
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ABitmap.PixelFormat := pf32bit;
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Scheduler.OptionsView.RotateResourceCaptions := False;
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Scheduler.ViewDay.EventShadows := False;
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I := cxFormatController.StartOfWeek + Ord(dSunday);
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J := Ord(dSunday) - I;
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if J < 0 then Inc(J, 7);
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FDaysOffIndexes[1] := J;
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J := Ord(dSaturday) - I;
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if J < 0 then Inc(J, 7);
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FDaysOffIndexes[2] := J;
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GenerateRandomEvents(100, True);
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end;
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procedure TCustomDrawDemoMainForm.SchedulerDateNavigatorCustomDrawHeader(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorMonthHeaderViewInfo;
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var ADone: Boolean);
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begin
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if not miMonthHeaders.Checked then Exit;
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FillGradientRect(ACanvas, AViewInfo.Bounds, $FFE0E0, $FF8080, False);
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ACanvas.FrameRect(AViewInfo.Bounds, clBlue);
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AViewInfo.Transparent := True;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerDateNavigatorCustomDrawDayCaption(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorDayCaptionViewInfo;
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var ADone: Boolean);
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begin
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if not miDayCaptions.Checked then Exit;
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if AViewInfo.Index in [FDaysOffIndexes[1], FDaysOffIndexes[2]] then
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ACanvas.Font := csRed.Font;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerDateNavigatorCustomDrawDayNumber(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorDayNumberViewInfo;
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var ADone: Boolean);
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begin
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if not miDays.Checked then Exit;
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if AViewInfo.Selected then
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ACanvas.Brush.Color := clAppWorkSpace
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else
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if DayOfWeek(AViewInfo.Date) in [1, 7] then
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ACanvas.Font := csRed.Font;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerDateNavigatorCustomDrawContent(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDateNavigatorMonthContentViewInfo;
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var ADone: Boolean);
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var
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AColor: TColor;
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R: TRect;
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begin
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if not miDNContent.Checked then Exit;
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R := AViewInfo.Bounds;
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case AViewInfo.Month of
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3..5: AColor := $D0FFD0;
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6..8: AColor := $D0D0FF;
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9..11: AColor := $D0FFFF;
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else
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AColor := $FFE7E7;
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end;
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with ACanvas do
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begin
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Brush.Color := AColor;
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FillRect(R);
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Font.Height := R.Bottom - R.Top;
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Font.Color := GetMiddleRGB(AColor, 0, 85);
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DrawText(IntToStr(AViewInfo.Month), R, cxAlignCenter);
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end;
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ACanvas.Font := AViewInfo.ViewParams.Font;
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AViewInfo.Transparent := True;
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ADone := True;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerCustomDrawDayHeader(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerDayHeaderCellViewInfo; var ADone: Boolean);
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begin
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if not miHeaders.Checked then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds, $A0A0A0, $707070, False);
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ACanvas.FrameRect(AViewInfo.Bounds, clGray);
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ACanvas.Brush.Style := bsClear;
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ACanvas.Font := csItalic.Font;
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ACanvas.DrawText(AViewInfo.DisplayText, AViewInfo.Bounds, cxAlignCenter);
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ACanvas.Brush.Style := bsSolid;
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ADone := True;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerViewDayCustomDrawRuler(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerTimeRulerCellViewInfo; var ADone: Boolean);
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begin
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if not miTimeRuler.Checked then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds[True], $909090, $E0E0E0, True);
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end;
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procedure TCustomDrawDemoMainForm.SchedulerViewDayCustomDrawContainer(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerContainerCellViewInfo; var ADone: Boolean);
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begin
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if not miContainer.Checked or AViewInfo.Selected then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds, $C0E0C0, $70A070, False);
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end;
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procedure TCustomDrawDemoMainForm.SchedulerCustomDrawEvent(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerEventCellViewInfo; var ADone: Boolean);
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begin
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if not miEvents.Checked then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds, clWhite,
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AViewInfo.Color, False);
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end;
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procedure TCustomDrawDemoMainForm.SchedulerCustomDrawContent(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerContentCellViewInfo; var ADone: Boolean);
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begin
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if not miContent.Checked then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds,
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AViewInfo.Color, GetMiddleRGB(AViewInfo.Color, 0, 75), True);
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end;
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procedure TCustomDrawDemoMainForm.SchedulerCustomDrawResourceHeader(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerHeaderCellViewInfo; var ADone: Boolean);
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begin
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if not miResources.Checked then Exit;
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AViewInfo.Transparent := True;
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FillGradientRect(ACanvas, AViewInfo.Bounds, $50F0F0, $009090, False);
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ACanvas.Brush.Style := bsClear;
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ACanvas.Font := csBoldItalic.Font;
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ACanvas.DrawText(AViewInfo.DisplayText, AViewInfo.Bounds, cxAlignCenter);
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ACanvas.Brush.Style := bsSolid;
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ADone := True;
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end;
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procedure TCustomDrawDemoMainForm.SchedulerCustomDrawGroupSeparator(
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Sender: TObject; ACanvas: TcxCanvas;
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AViewInfo: TcxSchedulerGroupSeparatorCellViewInfo; var ADone: Boolean);
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begin
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if not miGroupSeparator.Checked then Exit;
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FillGradientRect(ACanvas, cxRectInflate(AViewInfo.Bounds, 0, 0, 1, 0), $50F0F0, $009090, True);
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ADone := True;
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end;
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procedure TCustomDrawDemoMainForm.FormDestroy(Sender: TObject);
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begin
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inherited;
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ABitmap.Free;
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end;
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procedure TCustomDrawDemoMainForm.UpdateCustomDraw(Sender: TObject);
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begin
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with TMenuItem(Sender) do Checked := not Checked;
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Scheduler.LayoutChanged;
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end;
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end.
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