david
08e42642b8
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@21 05c56307-c608-d34a-929d-697000501d7a
86 lines
2.6 KiB
ObjectPascal
86 lines
2.6 KiB
ObjectPascal
unit WebChartHome;
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interface
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uses SysUtils, Classes, HTTPApp, cxWebModule, cxWebAppSrv, cxWebClasses,
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cxWebControls, cxWebStdCtrls, cxWebteeChart, cxWebDataCtrls;
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type
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TWebChartHomePage = class(TcxWebPageModule)
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WebChart: TcxWebChart;
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wcbChartType: TcxWebComboBox;
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wchShowLegend: TcxWebCheckBox;
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wedTitle: TcxWebEdit;
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wbtnApply: TcxWebButton;
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wcbShowAxis: TcxWebCheckBox;
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wcb3D: TcxWebCheckBox;
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cbShowMarks: TcxWebCheckBox;
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WebStyleController: TcxWebStyleController;
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WebStyleControllerItem1: TcxWebStyleItem;
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procedure cxWebPageModuleActivate(Sender: TObject);
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procedure wbtnApplyClick(Sender: TObject);
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private
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{ Private declarations }
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public
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{ Public declarations }
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end;
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function WebChartHomePage: TWebChartHomePage;
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implementation
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{$R *.DFM} {*.html}
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uses
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WebReq, WebCntxt, cxWebModFact, Variants, Chart, TeEngine, Series;
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function WebChartHomePage: TWebChartHomePage;
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begin
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Result := TWebChartHomePage(WebContext.FindModuleClass(TWebChartHomePage));
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end;
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procedure TWebChartHomePage.cxWebPageModuleActivate(Sender: TObject);
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var
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I: Integer;
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AItem: TcxWebListItem;
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begin
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if IsFirstRequest then
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begin
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for I := 0 to TeeSeriesTypes.Count - 1 do
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if (TeeSeriesTypes[I].SeriesClass <> nil) and
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(TeeSeriesTypes[I].SeriesClass <> THorizBarSeries) then
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begin
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AItem := wcbChartType.Items.Add;
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AItem.Text := TeeSeriesTypes[I].Description;
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AItem.Value := IntToStr(I);
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if (WebChart.SeriesList.Count > 0) and
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(WebChart.SeriesList[0].ClassType = TClass(TeeSeriesTypes[I].SeriesClass)) then
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wcbChartType.ItemIndex := wcbChartType.Items.Count - 1;
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end;
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end;
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end;
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procedure TWebChartHomePage.wbtnApplyClick(Sender: TObject);
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var
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ASeries: TChartSeries;
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begin
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while (WebChart.SeriesList.Count > 0) do
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WebChart.SeriesList[0].Free;
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ASeries := TeeSeriesTypes[StrToInt(wcbChartType.Items[wcbChartType.ItemIndex].Value)].SeriesClass.Create(nil);
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ASeries.FillSampleValues(ASeries.NumSampleValues);
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WebChart.Chart.AddSeries(ASeries);
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WebChart.Legend.Visible := wchShowLegend.Checked;
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WebChart.Title.Text.Clear;
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WebChart.Title.Text.Append(wedTitle.Text);
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WebChart.AxisVisible := wcbShowAxis.Checked;
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WebChart.View3D := wcb3D.Checked;
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ASeries.Marks.Visible := cbShowMarks.Checked;
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end;
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initialization
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if WebRequestHandler <> nil then
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WebRequestHandler.AddWebModuleFactory(TcxWebPageModuleFactory.Create(TWebChartHomePage, TcxWebPageInfo.Create('*.html'), caDestroy));
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end.
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