david
3b29f73ece
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@8 05c56307-c608-d34a-929d-697000501d7a
733 lines
25 KiB
ObjectPascal
733 lines
25 KiB
ObjectPascal
unit ViewChartDemoMain;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData,
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cxDataStorage, cxEdit, DB, cxDBData, cxGridChartView, cxGridDBChartView,
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cxGridCustomTableView, cxGridTableView, cxGridDBTableView, DBTables,
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cxGridLevel, cxClasses, cxControls, cxGridCustomView, cxGrid, cxTimeEdit,
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cxImageComboBox, ImgList, cxLookAndFeels, Menus, StdCtrls;
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type
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TfrmMain = class(TForm)
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tvData: TcxGridDBTableView;
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grMainLevel1: TcxGridLevel;
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grMain: TcxGrid;
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dsOrders: TDataSource;
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tblOrders: TTable;
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grMainLevel2: TcxGridLevel;
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chvSales: TcxGridDBChartView;
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qrSales: TQuery;
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dsSales: TDataSource;
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tblOrdersID: TAutoIncField;
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tblOrdersCustomerID: TIntegerField;
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tblOrdersProductID: TIntegerField;
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tblOrdersPurchaseDate: TDateTimeField;
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tblOrdersTime: TDateTimeField;
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tblOrdersPaymentType: TStringField;
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tblOrdersPaymentAmount: TCurrencyField;
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tblOrdersDescription: TMemoField;
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tblOrdersQuantity: TIntegerField;
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tblProducts: TTable;
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tblOrdersProductName: TStringField;
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tblCustomers: TTable;
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dbMain: TDatabase;
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tblOrdersCustomer: TStringField;
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tvDataID: TcxGridDBColumn;
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tvDataPurchaseDate: TcxGridDBColumn;
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tvDataPaymentType: TcxGridDBColumn;
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tvDataPaymentAmount: TcxGridDBColumn;
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tvDataQuantity: TcxGridDBColumn;
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tvDataProductName: TcxGridDBColumn;
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tvDataCompany: TcxGridDBColumn;
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chvSalesByQuarter: TcxGridChartView;
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chvSalesByQuarterSeries1: TcxGridChartSeries;
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chvSalesByQuarterSeries2: TcxGridChartSeries;
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chvSalesByQuarterSeries3: TcxGridChartSeries;
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chvSalesByQuarterSeries4: TcxGridChartSeries;
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grMainLevel3: TcxGridLevel;
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qrSalesByQuarter: TQuery;
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chvSalesSeries1: TcxGridDBChartSeries;
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PaymentTypeImages: TImageList;
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LookAndFeelController: TcxLookAndFeelController;
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mmMain: TMainMenu;
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miFile: TMenuItem;
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miExit: TMenuItem;
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miAbout: TMenuItem;
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cxStyleRepository1: TcxStyleRepository;
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cxStyle1: TcxStyle;
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cxStyle2: TcxStyle;
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cxStyle3: TcxStyle;
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cxStyle4: TcxStyle;
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miColumnDiagram: TMenuItem;
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miBarDiagram: TMenuItem;
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N1: TMenuItem;
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miView: TMenuItem;
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miTitlePosition: TMenuItem;
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miLegendPosition: TMenuItem;
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miLegendBorder: TMenuItem;
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miValueCaptionPosition: TMenuItem;
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miCategoryAxis: TMenuItem;
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miCategoryAxisVisible: TMenuItem;
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miCategoryAxisTickMarkLabels: TMenuItem;
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miCategoryAxisTickMarkKind: TMenuItem;
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miCategoryAxisGridLines: TMenuItem;
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miTitlePositionDefault: TMenuItem;
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miTitlePositionNone: TMenuItem;
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miTitlePositionLeft: TMenuItem;
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miTitlePositionTop: TMenuItem;
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miTitlePositionRight: TMenuItem;
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miTitlePositionBottom: TMenuItem;
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miLegendPositionDefault: TMenuItem;
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miLegendPositionNone: TMenuItem;
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miLegendPositionLeft: TMenuItem;
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miLegendPositionTop: TMenuItem;
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miLegendPositionRight: TMenuItem;
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miLegendPositionBottom: TMenuItem;
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miValueCaptionPositionNone: TMenuItem;
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miValueCaptionPositionInsideBase: TMenuItem;
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miValueCaptionPositionCenter: TMenuItem;
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miValueCaptionPositionInsideEnd: TMenuItem;
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miValueCaptionPositionOutsideEnd: TMenuItem;
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miCategoryAxisTickMarkKindNone: TMenuItem;
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miCategoryAxisTickMarkKindCross: TMenuItem;
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miCategoryAxisTickMarkKindInside: TMenuItem;
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miCategoryAxisTickMarkKindOutside: TMenuItem;
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miValueAxis: TMenuItem;
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miValueAxisTickMarkLabels: TMenuItem;
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miValueAxisTickMarkKind: TMenuItem;
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miValueAxisTickMarkKindOutside: TMenuItem;
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miValueAxisTickMarkKindInside: TMenuItem;
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miValueAxisTickMarkKindCross: TMenuItem;
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miValueAxisTickMarkKindNone: TMenuItem;
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miValueAxisGridLines: TMenuItem;
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miValueAxisVisible: TMenuItem;
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miCategoryAxisCategoriesInReverseOrder: TMenuItem;
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miCategoryAxisValueAxisAtMaxCategory: TMenuItem;
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miCategoryAxisValueAxisBetweenCategories: TMenuItem;
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N3: TMenuItem;
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Label1: TLabel;
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miLineDiagram: TMenuItem;
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miAreaDiagram: TMenuItem;
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miPieDiagram: TMenuItem;
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miDiagram: TMenuItem;
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miLineValueCaptionPosition: TMenuItem;
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miLineValueCaptionPositionNone: TMenuItem;
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miLineValueCaptionPositionLeft: TMenuItem;
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miLineValueCaptionPositionAbove: TMenuItem;
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miLineValueCaptionPositionRight: TMenuItem;
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miLineValueCaptionPositionBelow: TMenuItem;
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miLineValueCaptionPositionCenter: TMenuItem;
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miLineStyle: TMenuItem;
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miLineStyleNone: TMenuItem;
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miLineStyleSolid: TMenuItem;
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miLineStyleDash: TMenuItem;
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miLineStyleDot: TMenuItem;
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miLineStyleDashDot: TMenuItem;
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miLineStyleDashDotDot: TMenuItem;
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N2: TMenuItem;
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miMarkerStyle: TMenuItem;
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miMarkerStyleNone: TMenuItem;
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miMarkerStyleSquare: TMenuItem;
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miMarkerStyleTriangle: TMenuItem;
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miMarkerStyleDiamond: TMenuItem;
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miMarkerStyleCircle: TMenuItem;
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miValueStacking: TMenuItem;
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miValueStackingNone: TMenuItem;
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miValueStackingNormal: TMenuItem;
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miValueStacking100Percent: TMenuItem;
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miLineWidth: TMenuItem;
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miLineWidth1: TMenuItem;
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miLineWidth2: TMenuItem;
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miLineWidth3: TMenuItem;
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miLineWidth4: TMenuItem;
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miLineWidth5: TMenuItem;
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miMarkerSize: TMenuItem;
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miMarkerSize3: TMenuItem;
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miMarkerSize5: TMenuItem;
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miMarkerSize7: TMenuItem;
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miMarkerSize9: TMenuItem;
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miMarkerSize11: TMenuItem;
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miSeriesCaptions: TMenuItem;
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miSeriesColumnCount: TMenuItem;
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miSeriesSites: TMenuItem;
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miPieValueCaptionPosition: TMenuItem;
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miPieValueCaptionItems: TMenuItem;
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miSeriesColumns1: TMenuItem;
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miSeriesColumns2: TMenuItem;
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miSeriesColumns3: TMenuItem;
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miSeriesColumns4: TMenuItem;
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miPieValueCaptionPositionNone: TMenuItem;
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miPieValueCaptionPositionCenter: TMenuItem;
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miPieValueCaptionPositionInsideEnd: TMenuItem;
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miPieValueCaptionPositionOutsideEnd: TMenuItem;
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miPieValueCaptionPositionOutsideEndWithLeaderLines: TMenuItem;
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miPieValueCaptionItemCategory: TMenuItem;
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miPieValueCaptionItemValue: TMenuItem;
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miPieValueCaptionItemPercentage: TMenuItem;
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cxStyle5: TcxStyle;
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cxStyle6: TcxStyle;
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miToolBox: TMenuItem;
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N4: TMenuItem;
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miToolBoxPosition: TMenuItem;
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miToolBoxPositionTop: TMenuItem;
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miToolBoxPositionBottom: TMenuItem;
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cxStyle7: TcxStyle;
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procedure FormCreate(Sender: TObject);
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procedure chvSalesByQuarterGetValueHint(Sender: TcxGridChartView;
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ASeries: TcxGridChartSeries; AValueIndex: Integer;
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var AHint: String);
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procedure miExitClick(Sender: TObject);
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procedure miAboutClick(Sender: TObject);
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procedure chvSalesSeries1CustomDrawValue(Sender: TcxGridChartSeries;
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ACanvas: TcxCanvas; AViewInfo: TcxGridChartDiagramValueViewInfo;
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var ADone: Boolean);
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procedure grMainActiveTabChanged(Sender: TcxCustomGrid;
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ALevel: TcxGridLevel);
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procedure miColumnDiagramClick(Sender: TObject);
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procedure miBarDiagramClick(Sender: TObject);
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procedure miTitlePositionItemClick(Sender: TObject);
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procedure miLegendPositionItemClick(Sender: TObject);
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procedure miLegendBorderClick(Sender: TObject);
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procedure miValueCaptionPositionItemClick(Sender: TObject);
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procedure chvSalesActiveDiagramChanged(Sender: TcxGridChartView;
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ADiagram: TcxGridChartDiagram);
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procedure miAxisVisibleClick(Sender: TObject);
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procedure miAxisGridLinesClick(Sender: TObject);
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procedure miAxisTickMarkKindItemClick(Sender: TObject);
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procedure miAxisTickMarkLabelsClick(Sender: TObject);
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procedure miCategoryAxisCategoriesInReverseOrderClick(Sender: TObject);
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procedure miCategoryAxisValueAxisAtMaxCategoryClick(Sender: TObject);
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procedure miCategoryAxisValueAxisBetweenCategoriesClick(
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Sender: TObject);
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procedure miLineDiagramClick(Sender: TObject);
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procedure miAreaDiagramClick(Sender: TObject);
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procedure miPieDiagramClick(Sender: TObject);
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procedure miLineValueCaptionPositionClick(Sender: TObject);
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procedure miLineStyleClick(Sender: TObject);
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procedure miMarkerStyleClick(Sender: TObject);
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procedure miValueStackingClick(Sender: TObject);
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procedure miLineWidthClick(Sender: TObject);
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procedure miMarkerSizeClick(Sender: TObject);
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procedure miSeriesCaptionsClick(Sender: TObject);
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procedure miSeriesSitesClick(Sender: TObject);
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procedure miSeriesColumnsClick(Sender: TObject);
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procedure miPieValueCaptionPositionClick(
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Sender: TObject);
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procedure miPieValueCaptionItemClick(Sender: TObject);
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procedure chvSalesDiagramAreaCustomDrawValueArea(
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Sender: TcxGridChartAreaDiagram; ACanvas: TcxCanvas;
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AViewInfo: TcxGridChartAreaDiagramValueViewInfo; var ADone: Boolean);
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procedure chvSalesValueClick(Sender: TcxGridChartView;
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ASeries: TcxGridChartSeries; AValueIndex: Integer; var AHandled: Boolean);
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procedure miToolBoxClick(Sender: TObject);
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procedure miToolBoxPositionClick(Sender: TObject);
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procedure FormActivate(Sender: TObject);
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private
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function GetActiveChart: TcxGridChartView;
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function GetActiveColumnDiagram: TcxGridChartColumnDiagram;
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function GetActiveHistogram: TcxGridChartHistogram;
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function GetActiveLineDiagram: TcxGridChartLineDiagram;
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function GetActivePieDiagram: TcxGridChartPieDiagram;
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protected
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procedure UpdateControls;
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public
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procedure CalculateSalesInfo;
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procedure CalculateSalesInfoForQuarter(AQuarter: Integer);
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function GetActiveAxis(AMenuItem: TObject): TcxGridChartHistogramAxis;
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property ActiveChart: TcxGridChartView read GetActiveChart;
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property ActiveColumnDiagram: TcxGridChartColumnDiagram read GetActiveColumnDiagram;
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property ActiveHistogram: TcxGridChartHistogram read GetActiveHistogram;
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property ActiveLineDiagram: TcxGridChartLineDiagram read GetActiveLineDiagram;
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property ActivePieDiagram: TcxGridChartPieDiagram read GetActivePieDiagram;
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end;
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var
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frmMain: TfrmMain;
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implementation
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uses
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dxOffice11, cxGridCommon, AboutDemoForm;
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{$R *.dfm}
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function TfrmMain.GetActiveChart: TcxGridChartView;
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begin
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if grMain.ActiveView is TcxGridChartView then
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Result := TcxGridChartView(grMain.ActiveView)
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else
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Result := nil;
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end;
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function TfrmMain.GetActiveColumnDiagram: TcxGridChartColumnDiagram;
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begin
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if ActiveChart.ActiveDiagram is TcxGridChartColumnDiagram then
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Result := TcxGridChartColumnDiagram(ActiveChart.ActiveDiagram)
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else
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Result := nil;
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end;
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function TfrmMain.GetActiveHistogram: TcxGridChartHistogram;
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begin
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if ActiveChart.ActiveDiagram is TcxGridChartHistogram then
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Result := TcxGridChartHistogram(ActiveChart.ActiveDiagram)
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else
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Result := nil;
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end;
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function TfrmMain.GetActiveLineDiagram: TcxGridChartLineDiagram;
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begin
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if ActiveChart.ActiveDiagram is TcxGridChartLineDiagram then
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Result := TcxGridChartLineDiagram(ActiveChart.ActiveDiagram)
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else
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Result := nil;
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end;
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function TfrmMain.GetActivePieDiagram: TcxGridChartPieDiagram;
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begin
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if ActiveChart.ActiveDiagram is TcxGridChartPieDiagram then
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Result := TcxGridChartPieDiagram(ActiveChart.ActiveDiagram)
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else
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Result := nil;
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end;
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procedure TfrmMain.UpdateControls;
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var
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AChart: TcxGridChartView;
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AHistogram: TcxGridChartHistogram;
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AColumnDiagram: TcxGridChartColumnDiagram;
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ALineDiagram: TcxGridChartLineDiagram;
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APieDiagram: TcxGridChartPieDiagram;
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ACaptionItem: TcxGridChartPieDiagramValueCaptionItem;
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begin
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AChart := ActiveChart;
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miView.Enabled := AChart <> nil;
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miDiagram.Enabled := miView.Enabled;
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if AChart = nil then Exit;
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{ view }
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if AChart.DiagramColumn.Active then
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miColumnDiagram.Checked := True
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else
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if AChart.DiagramBar.Active then
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miBarDiagram.Checked := True
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else
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if AChart.DiagramLine.Active then
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miLineDiagram.Checked := True
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else
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if AChart.DiagramArea.Active then
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miAreaDiagram.Checked := True
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else
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miPieDiagram.Checked := True;
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miTitlePosition[Ord(AChart.Title.Position)].Checked := True;
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miLegendPosition[Ord(AChart.ActiveDiagram.Legend.Position)].Checked := True;
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miLegendBorder.Checked := AChart.ActiveDiagram.Legend.GetBorder = lbSingle;
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miToolBox.Checked := AChart.ToolBox.Visible <> tvNever;
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miToolBoxPosition[Ord(AChart.ToolBox.Position)].Checked := True;
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{ diagram }
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// histogram
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AHistogram := ActiveHistogram;
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miCategoryAxis.Visible := AHistogram <> nil;
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miValueAxis.Visible := AHistogram <> nil;
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if AHistogram <> nil then
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begin
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// category axis
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miCategoryAxisVisible.Checked := AHistogram.AxisCategory.Visible;
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miCategoryAxisGridLines.Checked := AHistogram.AxisCategory.GridLines;
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miCategoryAxisTickMarkKind[Ord(AHistogram.AxisCategory.TickMarkKind)].Checked := True;
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miCategoryAxisTickMarkLabels.Checked := AHistogram.AxisCategory.TickMarkLabels;
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miCategoryAxisCategoriesInReverseOrder.Checked := AHistogram.AxisCategory.CategoriesInReverseOrder;
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miCategoryAxisValueAxisAtMaxCategory.Checked := AHistogram.AxisCategory.ValueAxisAtMaxCategory;
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miCategoryAxisValueAxisBetweenCategories.Checked := AHistogram.AxisCategory.ValueAxisBetweenCategories;
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// value axis
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miValueAxisVisible.Checked := AHistogram.AxisValue.Visible;
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miValueAxisGridLines.Checked := AHistogram.AxisValue.GridLines;
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miValueAxisTickMarkKind[Ord(AHistogram.AxisValue.TickMarkKind)].Checked := True;
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miValueAxisTickMarkLabels.Checked := AHistogram.AxisValue.TickMarkLabels;
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end;
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// column
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AColumnDiagram := ActiveColumnDiagram;
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miValueCaptionPosition.Visible := AColumnDiagram <> nil;
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if AColumnDiagram <> nil then
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miValueCaptionPosition[Ord(AColumnDiagram.Values.CaptionPosition)].Checked := True;
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// line
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ALineDiagram := ActiveLineDiagram;
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miLineValueCaptionPosition.Visible := ALineDiagram <> nil;
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miLineStyle.Visible := ALineDiagram <> nil;
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miLineWidth.Visible := ALineDiagram <> nil;
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miMarkerStyle.Visible := ALineDiagram <> nil;
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miMarkerSize.Visible := ALineDiagram <> nil;
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miValueStacking.Visible := ALineDiagram <> nil;
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if ALineDiagram <> nil then
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begin
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miLineValueCaptionPosition[Ord(ALineDiagram.Values.CaptionPosition)].Checked := True;
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miLineStyle[Ord(ALineDiagram.Values.LineStyle)].Checked := True;
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miLineWidth.Find(IntToStr(ALineDiagram.Values.LineWidth)).Checked := True;
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miMarkerStyle[Ord(ALineDiagram.Values.MarkerStyle)].Checked := True;
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miMarkerSize.Find(IntToStr(ALineDiagram.Values.MarkerSize)).Checked := True;
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miValueStacking[Ord(ALineDiagram.Values.Stacking)].Checked := True;
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end;
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// pie
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APieDiagram := ActivePieDiagram;
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miSeriesCaptions.Visible := APieDiagram <> nil;
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miSeriesSites.Visible := APieDiagram <> nil;
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miSeriesColumnCount.Visible := APieDiagram <> nil;
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miPieValueCaptionPosition.Visible := APieDiagram <> nil;
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miPieValueCaptionItems.Visible := APieDiagram <> nil;
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if APieDiagram <> nil then
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begin
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miSeriesCaptions.Checked := APieDiagram.SeriesCaptions;
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miSeriesSites.Checked := APieDiagram.SeriesSites;
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miSeriesColumnCount.Enabled := APieDiagram.GetSeriesColumnCount > 0;
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if miSeriesColumnCount.Enabled then
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miSeriesColumnCount.Find(IntToStr(APieDiagram.GetSeriesColumnCount)).Checked := True;
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miPieValueCaptionPosition[Ord(APieDiagram.Values.CaptionPosition)].Checked := True;
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for ACaptionItem := Low(ACaptionItem) to High(ACaptionItem) do
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miPieValueCaptionItems[Ord(ACaptionItem)].Checked := ACaptionItem in APieDiagram.Values.CaptionItems;
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end;
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end;
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procedure TfrmMain.miAreaDiagramClick(Sender: TObject);
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begin
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ActiveChart.DiagramArea.Active := True;
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end;
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procedure TfrmMain.CalculateSalesInfo;
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var
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I: Integer;
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begin
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for I := 1 to 4 do
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CalculateSalesInfoForQuarter(I);
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end;
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procedure TfrmMain.CalculateSalesInfoForQuarter(AQuarter: Integer);
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const
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Year = 2002;
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var
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AStartMonth, AFinishMonth, I: Integer;
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begin
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AStartMonth := (AQuarter - 1) * 3 + 1;
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AFinishMonth := AQuarter * 3;
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qrSalesByQuarter.Active := False;
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qrSalesByQuarter.ParamByName('StartDate').AsDateTime := EncodeDate(Year, AStartMonth, 1);
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qrSalesByQuarter.ParamByName('FinishDate').AsDateTime := EncodeDate(Year, AFinishMonth,
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MonthDays[IsLeapYear(Year), AFinishMonth]);
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qrSalesByQuarter.Active := True;
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chvSalesByQuarter.ViewData.CategoryCount := qrSalesByQuarter.RecordCount;
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chvSalesByQuarter.BeginUpdate;
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try
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I := 0;
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qrSalesByQuarter.First;
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while not qrSalesByQuarter.Eof do
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begin
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chvSalesByQuarter.ViewData.Categories[I] := qrSalesByQuarter.FieldValues['Name'];
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chvSalesByQuarter.ViewData.Values[AQuarter - 1, I] := qrSalesByQuarter.FieldValues['Amount'];
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qrSalesByQuarter.Next;
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Inc(I);
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end;
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finally
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chvSalesByQuarter.EndUpdate;
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end;
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end;
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function TfrmMain.GetActiveAxis(AMenuItem: TObject): TcxGridChartHistogramAxis;
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begin
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while (AMenuItem is TMenuItem) and
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(TMenuItem(AMenuItem).Tag = 0) do
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AMenuItem := TMenuItem(AMenuItem).Parent;
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case ((AMenuItem as TMenuItem).Tag) of
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1: Result := ActiveHistogram.AxisCategory;
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2: Result := ActiveHistogram.AxisValue;
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else
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Result := nil;
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end;
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end;
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procedure TfrmMain.FormActivate(Sender: TObject);
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begin
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UpdateControls; // to update menu after chart view was changed via Customization Form
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end;
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procedure TfrmMain.FormCreate(Sender: TObject);
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begin
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grMainLevel3.Active := True;
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CalculateSalesInfo;
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end;
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procedure TfrmMain.chvSalesByQuarterGetValueHint(Sender: TcxGridChartView;
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ASeries: TcxGridChartSeries; AValueIndex: Integer; var AHint: String);
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begin
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AHint := Format('%s sales for Q%d are %s',
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[Sender.ViewData.Categories[AValueIndex], ASeries.Index + 1, ASeries.VisibleDisplayTexts[AValueIndex]]);
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end;
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procedure TfrmMain.chvSalesDiagramAreaCustomDrawValueArea(
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Sender: TcxGridChartAreaDiagram; ACanvas: TcxCanvas;
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AViewInfo: TcxGridChartAreaDiagramValueViewInfo; var ADone: Boolean);
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var
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AClipRegion, ARegion: TcxRegion;
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begin
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AClipRegion := ACanvas.GetClipRegion;
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try
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ARegion := AViewInfo.CreateAreaRegion;
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try
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ACanvas.SetClipRegion(ARegion, roIntersect, False);
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FillGradientRect(ACanvas.Handle, AViewInfo.GetRealBounds, clWhite, clMedGray, True);
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finally
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ARegion.Free;
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end;
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finally
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ACanvas.SetClipRegion(AClipRegion, roSet);
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end;
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ADone := True;
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end;
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procedure TfrmMain.miExitClick(Sender: TObject);
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begin
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Close;
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end;
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procedure TfrmMain.miAboutClick(Sender: TObject);
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begin
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ShowAboutDemoForm;
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end;
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procedure TfrmMain.chvSalesSeries1CustomDrawValue(
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Sender: TcxGridChartSeries; ACanvas: TcxCanvas;
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AViewInfo: TcxGridChartDiagramValueViewInfo; var ADone: Boolean);
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var
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AEndColor: TColor;
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begin
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if Sender.GridView.DiagramColumn.Active or Sender.GridView.DiagramBar.Active then
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begin
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if AViewInfo.State = gcsNone then
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AEndColor := clBlack
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else
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AEndColor := clGray;
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FillGradientRect(ACanvas.Handle, AViewInfo.ContentBounds, clWhite, AEndColor,
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Sender.GridView.DiagramColumn.Active);
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ADone := True;
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end;
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end;
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procedure TfrmMain.chvSalesValueClick(Sender: TcxGridChartView;
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ASeries: TcxGridChartSeries; AValueIndex: Integer; var AHandled: Boolean);
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begin
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qrSales.Locate('Name', Sender.Categories.VisibleValues[AValueIndex], []);
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tblOrders.Locate('ProductID', qrSales.FieldByName('ID').AsInteger, []);
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grMainLevel1.Active := True;
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end;
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procedure TfrmMain.grMainActiveTabChanged(Sender: TcxCustomGrid;
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ALevel: TcxGridLevel);
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begin
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UpdateControls;
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end;
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procedure TfrmMain.miLineDiagramClick(Sender: TObject);
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begin
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ActiveChart.DiagramLine.Active := True;
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end;
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procedure TfrmMain.miLineStyleClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.LineStyle := TcxGridChartLineStyle(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miLineValueCaptionPositionClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.CaptionPosition :=
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TcxGridChartLineDiagramValueCaptionPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miLineWidthClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.LineWidth := StrToInt(TMenuItem(Sender).Caption);
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UpdateControls;
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end;
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procedure TfrmMain.miMarkerSizeClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.MarkerSize := StrToInt(TMenuItem(Sender).Caption);
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UpdateControls;
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end;
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procedure TfrmMain.miMarkerStyleClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.MarkerStyle := TcxGridChartMarkerStyle(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miColumnDiagramClick(Sender: TObject);
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begin
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ActiveChart.DiagramColumn.Active := True;
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end;
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procedure TfrmMain.miBarDiagramClick(Sender: TObject);
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begin
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ActiveChart.DiagramBar.Active := True;
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end;
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procedure TfrmMain.miTitlePositionItemClick(Sender: TObject);
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begin
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ActiveChart.Title.Position := TcxGridChartPartPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miToolBoxClick(Sender: TObject);
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begin
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with ActiveChart.ToolBox do
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if Visible = tvNever then
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Visible := tvAlways
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else
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Visible := tvNever;
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UpdateControls;
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end;
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procedure TfrmMain.miToolBoxPositionClick(Sender: TObject);
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begin
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ActiveChart.ToolBox.Position := TcxGridChartToolBoxPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miLegendPositionItemClick(Sender: TObject);
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begin
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ActiveChart.ActiveDiagram.Legend.Position := TcxGridChartPartPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miLegendBorderClick(Sender: TObject);
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begin
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if not TMenuItem(Sender).Checked then
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ActiveChart.ActiveDiagram.Legend.Border := lbSingle
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else
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ActiveChart.ActiveDiagram.Legend.Border := lbNone;
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UpdateControls;
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end;
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procedure TfrmMain.miValueCaptionPositionItemClick(Sender: TObject);
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begin
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ActiveColumnDiagram.Values.CaptionPosition :=
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TcxGridChartColumnDiagramValueCaptionPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miValueStackingClick(Sender: TObject);
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begin
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ActiveLineDiagram.Values.Stacking := TcxGridChartValuesStacking(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miPieValueCaptionItemClick(Sender: TObject);
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var
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ACaptionItem: TcxGridChartPieDiagramValueCaptionItem;
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begin
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ACaptionItem := TcxGridChartPieDiagramValueCaptionItem(TMenuItem(Sender).MenuIndex);
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with ActivePieDiagram.Values do
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if ACaptionItem in CaptionItems then
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CaptionItems := CaptionItems - [ACaptionItem]
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else
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CaptionItems := CaptionItems + [ACaptionItem];
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UpdateControls;
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end;
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procedure TfrmMain.miPieValueCaptionPositionClick(Sender: TObject);
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begin
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ActivePieDiagram.Values.CaptionPosition :=
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TcxGridChartPieDiagramValueCaptionPosition(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miPieDiagramClick(Sender: TObject);
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begin
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ActiveChart.DiagramPie.Active := True;
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end;
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procedure TfrmMain.miSeriesCaptionsClick(Sender: TObject);
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begin
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with ActivePieDiagram do
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SeriesCaptions := not SeriesCaptions;
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UpdateControls;
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end;
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procedure TfrmMain.miSeriesColumnsClick(Sender: TObject);
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begin
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ActivePieDiagram.SeriesColumnCount := StrToInt(TMenuItem(Sender).Caption);
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UpdateControls;
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end;
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procedure TfrmMain.miSeriesSitesClick(Sender: TObject);
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begin
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with ActivePieDiagram do
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SeriesSites := not SeriesSites;
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UpdateControls;
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end;
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procedure TfrmMain.chvSalesActiveDiagramChanged(Sender: TcxGridChartView;
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ADiagram: TcxGridChartDiagram);
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begin
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if Sender = ActiveChart then UpdateControls;
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end;
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procedure TfrmMain.miAxisVisibleClick(Sender: TObject);
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begin
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with GetActiveAxis(Sender) do
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Visible := not Visible;
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UpdateControls;
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end;
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procedure TfrmMain.miAxisGridLinesClick(Sender: TObject);
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begin
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with GetActiveAxis(Sender) do
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GridLines := not GridLines;
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UpdateControls;
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end;
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procedure TfrmMain.miAxisTickMarkKindItemClick(Sender: TObject);
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begin
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GetActiveAxis(Sender).TickMarkKind := TcxGridChartHistogramTickMarkKind(TMenuItem(Sender).MenuIndex);
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UpdateControls;
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end;
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procedure TfrmMain.miAxisTickMarkLabelsClick(Sender: TObject);
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begin
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with GetActiveAxis(Sender) do
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TickMarkLabels := not TickMarkLabels;
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UpdateControls;
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end;
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procedure TfrmMain.miCategoryAxisCategoriesInReverseOrderClick(
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Sender: TObject);
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begin
|
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with GetActiveAxis(Sender) as TcxGridChartHistogramAxisCategory do
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CategoriesInReverseOrder := not CategoriesInReverseOrder;
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UpdateControls;
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end;
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procedure TfrmMain.miCategoryAxisValueAxisAtMaxCategoryClick(
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Sender: TObject);
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begin
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with GetActiveAxis(Sender) as TcxGridChartHistogramAxisCategory do
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ValueAxisAtMaxCategory := not ValueAxisAtMaxCategory;
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UpdateControls;
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end;
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procedure TfrmMain.miCategoryAxisValueAxisBetweenCategoriesClick(
|
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Sender: TObject);
|
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begin
|
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with GetActiveAxis(Sender) as TcxGridChartHistogramAxisCategory do
|
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ValueAxisBetweenCategories := not ValueAxisBetweenCategories;
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UpdateControls;
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end;
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end.
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