787 lines
21 KiB
ObjectPascal
787 lines
21 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport v4.0 }
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{ TeeChart Add-In Object }
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{ }
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{ Copyright (c) 1998-2008 }
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{ by Alexander Tzyganenko, }
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{ Fast Reports Inc. }
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{ }
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{******************************************}
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unit FMX.frxChart;
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interface
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{$I frx.inc}
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{$I tee.inc}
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{$I fmx.inc}
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uses
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System.SysUtils, System.Classes, System.Types, FMX.Types, FMX.Menus, FMX.Controls,
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FMX.frxClass, System.UIConsts,
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FMXTee.Procs, FMXTee.Engine, FMXTee.Chart, FMXTee.Series, FMXTee.Canvas
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, System.Variants
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{$IFDEF DELPHI19}
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, FMX.Graphics
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, FMX.frxFMX
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{$ENDIF}
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{$IFDEF DELPHI20}
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, System.Math.Vectors
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{$ENDIF};
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type
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{$I frxFMX_PlatformsAttribute.inc}
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TfrxChartObject = class(TComponent); // fake component
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TChartClass = class of TCustomChart;
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TfrxSeriesDataType = (dtDBData, dtBandData, dtFixedData);
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TfrxSeriesSortOrder = (soNone, soAscending, soDescending);
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TfrxSeriesXType = (xtText, xtNumber, xtDate);
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TSeriesClass = class of TChartSeries;
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TfrxChartSeries = (csLine, csArea, csPoint, csBar, csHorizBar,
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csPie, csGantt, csFastLine, csArrow, csBubble, csChartShape, csHorizArea,
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csHorizLine, csPolar, csRadar, csPolarBar, csGauge, csSmith, csPyramid,
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csDonut, csBezier, csCandle, csVolume, csPointFigure, csHistogram,
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csHorizHistogram, csErrorBar, csError, csHighLow, csFunnel, csBox,
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csHorizBox, csSurface, csContour, csWaterFall, csColorGrid, csVector3D,
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csTower, csTriSurface, csPoint3D, csBubble3D, csMyPoint, csBarJoin, csBar3D);
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TfrxSeriesItem = class(TCollectionItem)
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private
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FDataBand: TfrxDataBand;
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FDataSet: TfrxDataSet;
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FDataSetName: String;
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FDataType: TfrxSeriesDataType;
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FSortOrder: TfrxSeriesSortOrder;
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FTopN: Integer;
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FTopNCaption: String;
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FSource1: String;
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FSource2: String;
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FSource3: String;
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FSource4: String;
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FSource5: String;
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FSource6: String;
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FXType: TfrxSeriesXType;
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FValues1: String;
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FValues2: String;
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FValues3: String;
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FValues4: String;
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FValues5: String;
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FValues6: String;
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FIsDataChanged: Boolean;
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procedure FillSeries(Series: TChartSeries);
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procedure SetDataSet(const Value: TfrxDataSet);
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procedure SetDataSetName(const Value: String);
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function GetDataSetName: String;
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procedure SetValues1(const Value: String);
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procedure SetValues2(const Value: String);
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procedure SetValues3(const Value: String);
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procedure SetValues4(const Value: String);
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procedure SetValues5(const Value: String);
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procedure SetValues6(const Value: String);
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published
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property DataType: TfrxSeriesDataType read FDataType write FDataType;
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property DataBand: TfrxDataBand read FDataBand write FDataBand;
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property DataSet: TfrxDataSet read FDataSet write SetDataSet;
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property DataSetName: String read GetDataSetName write SetDataSetName;
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property SortOrder: TfrxSeriesSortOrder read FSortOrder write FSortOrder;
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property TopN: Integer read FTopN write FTopN;
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property TopNCaption: String read FTopNCaption write FTopNCaption;
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property XType: TfrxSeriesXType read FXType write FXType;
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{ source expressions }
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property Source1: String read FSource1 write FSource1;
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property Source2: String read FSource2 write FSource2;
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property Source3: String read FSource3 write FSource3;
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property Source4: String read FSource4 write FSource4;
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property Source5: String read FSource5 write FSource5;
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property Source6: String read FSource6 write FSource6;
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{ ready values. For internal use only. }
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property Values1: String read FValues1 write SetValues1;
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property Values2: String read FValues2 write SetValues2;
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property Values3: String read FValues3 write SetValues3;
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property Values4: String read FValues4 write SetValues4;
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property Values5: String read FValues5 write SetValues5;
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property Values6: String read FValues6 write SetValues6;
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{ backward compatibility }
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property XSource: String read FSource1 write FSource1;
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property YSource: String read FSource2 write FSource2;
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property XValues: String read FValues1 write SetValues1;
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property YValues: String read FValues2 write SetValues2;
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end;
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TfrxSeriesData = class(TCollection)
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private
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FReport: TfrxReport;
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function GetSeries(Index: Integer): TfrxSeriesItem;
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public
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constructor Create(Report: TfrxReport);
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function Add: TfrxSeriesItem;
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property Items[Index: Integer]: TfrxSeriesItem read GetSeries; default;
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end;
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TfrxChartView = class(TfrxView)
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private
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FChart: TCustomChart;
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FSeriesData: TfrxSeriesData;
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FIgnoreNulls: Boolean;
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FNormalSize: TBitmap;
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FBigSize: TBitmap;
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procedure FillChart;
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procedure ReadData(Stream: TStream);
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procedure ReadData1(Reader: TReader);
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procedure ReadData2(Reader: TReader);
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procedure WriteData(Stream: TStream);
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procedure WriteData1(Writer: TWriter);
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procedure WriteData2(Writer: TWriter);
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protected
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procedure DefineProperties(Filer: TFiler); override;
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procedure Notification(AComponent: TComponent; Operation: TOperation); override;
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procedure CreateChart; virtual;
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class function GetChartClass: TChartClass; virtual;
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procedure SetWidth(Value: Double); override;
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procedure SetHeight(Value: Double); override;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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class function GetDescription: String; override;
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procedure Draw(Canvas: TCanvas; ScaleX, ScaleY, OffsetX, OffsetY: Extended); override;
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procedure AfterPrint; override;
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procedure GetData; override;
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procedure BeforeStartReport; override;
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procedure OnNotify(Sender: TObject); override;
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procedure ClearSeries;
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procedure AddSeries(Series: TfrxChartSeries);
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property Chart: TCustomChart read FChart;
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property SeriesData: TfrxSeriesData read FSeriesData;
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published
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property IgnoreNulls: Boolean read FIgnoreNulls write FIgnoreNulls default False;
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// property BrushStyle;
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property Color;
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property Cursor;
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property Frame;
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property TagStr;
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property URL;
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end;
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implementation
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uses
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FMX.frxChartHelpers, FMX.frxChartRTTI,
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{$IFNDEF NO_EDITORS}
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FMX.frxChartEditor,
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{$ENDIF}
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FMX.frxDsgnIntf, FMX.frxUtils, FMX.frxRes, System.Math;
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{ TfrxSeriesItem }
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procedure TfrxSeriesItem.SetDataSet(const Value: TfrxDataSet);
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begin
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FDataSet := Value;
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if FDataSet = nil then
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FDataSetName := '' else
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FDataSetName := FDataSet.UserName;
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end;
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procedure TfrxSeriesItem.SetDataSetName(const Value: String);
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begin
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FDataSetName := Value;
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if FDataSetName = '' then
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FDataSet := nil
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else if TfrxSeriesData(Collection).FReport <> nil then
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FDataSet := TfrxSeriesData(Collection).FReport.FindDataSet(FDataSet, FDataSetName);
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end;
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procedure TfrxSeriesItem.SetValues1(const Value: String);
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begin
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FValues1 := Value;
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FIsDataChanged := True;
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end;
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procedure TfrxSeriesItem.SetValues2(const Value: String);
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begin
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FValues2 := Value;
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FIsDataChanged := True;
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end;
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procedure TfrxSeriesItem.SetValues3(const Value: String);
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begin
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FValues3 := Value;
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FIsDataChanged := True;
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end;
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procedure TfrxSeriesItem.SetValues4(const Value: String);
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begin
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FValues4 := Value;
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FIsDataChanged := True;
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end;
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procedure TfrxSeriesItem.SetValues5(const Value: String);
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begin
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FValues5 := Value;
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FIsDataChanged := True;
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end;
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procedure TfrxSeriesItem.SetValues6(const Value: String);
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begin
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FValues6 := Value;
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FIsDataChanged := True;
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end;
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function TfrxSeriesItem.GetDataSetName: String;
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begin
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if FDataSet = nil then
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Result := FDataSetName else
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Result := FDataSet.UserName;
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end;
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procedure TfrxSeriesItem.FillSeries(Series: TChartSeries);
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var
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i: Integer;
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sl1, sl2, sl3, sl4, sl5, sl6: TStringList;
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v1, v2, v3, v4, v5, v6: String;
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Helper: TfrxSeriesHelper;
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procedure Sort;
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var
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i, idx, iStart, SortOrd: Integer;
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d, mMax: Double;
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s: String;
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begin
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if sl1.Count <> sl2.Count then exit;
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{bug fix, stringList sort all negative values as string }
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if FSortOrder = soAscending then SortOrd := 1
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else SortOrd := -1;
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iStart := 0;
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while sl2.Count > iStart do
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begin
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idx := 0;
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mMax := MaxDouble * SortOrd;
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for i := iStart to sl2.Count - 1 do
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begin
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s := sl2[i];
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if not frxIsValidFloat(s) then d := 0
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else d := frxStrToFloat(s);
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if d * SortOrd < mMax * SortOrd then
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begin
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mMax := d;
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idx := i;
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end;
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end;
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sl1.Move(idx,iStart);
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sl2.Move(idx,iStart);
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if idx < sl3.Count then sl3.Move(idx, iStart);
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if idx < sl4.Count then sl4.Move(idx, iStart);
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if idx < sl5.Count then sl5.Move(idx, iStart);
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if idx < sl6.Count then sl6.Move(idx, iStart);
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inc(iStart);
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end;
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end;
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procedure MakeTopN;
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var
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i: Integer;
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d: Double;
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begin
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if sl1.Count <> sl2.Count then exit;
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{ for future using
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if FSortOrder <> soNone then Sort;}
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FSortOrder := soDescending;
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Sort;
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d := 0;
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for i := sl2.Count - 1 downto FTopN - 1 do
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begin
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d := d + frxStrToFloat(sl2[i]);
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sl1.Delete(i);
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sl2.Delete(i);
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if i < sl3.Count then sl3.Delete(i);
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if i < sl4.Count then sl4.Delete(i);
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if i < sl5.Count then sl5.Delete(i);
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if i < sl6.Count then sl6.Delete(i);
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end;
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sl1.Add(FTopNCaption);
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sl2.Add(FloatToStr(d));
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end;
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begin
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sl1 := TStringList.Create;
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sl2 := TStringList.Create;
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sl3 := TStringList.Create;
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sl4 := TStringList.Create;
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sl5 := TStringList.Create;
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sl6 := TStringList.Create;
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Series.Clear;
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v1 := FValues1;
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if (v1 <> '') and (v1[1] = ';') then
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Delete(v1, 1, 1);
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v2 := FValues2;
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if (v2 <> '') and (v2[1] = ';') then
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Delete(v2, 1, 1);
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v3 := FValues3;
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if (v3 <> '') and (v3[1] = ';') then
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Delete(v3, 1, 1);
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v4 := FValues4;
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if (v4 <> '') and (v4[1] = ';') then
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Delete(v4, 1, 1);
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v5 := FValues5;
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if (v5 <> '') and (v5[1] = ';') then
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Delete(v5, 1, 1);
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v6 := FValues6;
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if (v6 <> '') and (v6[1] = ';') then
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Delete(v6, 1, 1);
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frxSetCommaText(v1, sl1);
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frxSetCommaText(v2, sl2);
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frxSetCommaText(v3, sl3);
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frxSetCommaText(v4, sl4);
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frxSetCommaText(v5, sl5);
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frxSetCommaText(v6, sl6);
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Helper := frxFindSeriesHelper(Series);
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try
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if sl2.Count > 0 then
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begin
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if (FTopN > 0) and (FTopN < sl2.Count) then
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MakeTopN
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else if FSortOrder <> soNone then
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Sort;
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for i := 0 to sl2.Count - 1 do
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begin
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if i < sl1.Count then v1 := sl1[i] else v1 := '';
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if i < sl2.Count then v2 := sl2[i] else v2 := '';
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if i < sl3.Count then v3 := sl3[i] else v3 := '';
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if i < sl4.Count then v4 := sl4[i] else v4 := '';
|
||
|
|
if i < sl5.Count then v5 := sl5[i] else v5 := '';
|
||
|
|
if i < sl6.Count then v6 := sl6[i] else v6 := '';
|
||
|
|
Helper.AddValues(Series, v1, v2, v3, v4, v5, v6, FXType);
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
finally
|
||
|
|
Helper.Free;
|
||
|
|
sl1.Free;
|
||
|
|
sl2.Free;
|
||
|
|
sl3.Free;
|
||
|
|
sl4.Free;
|
||
|
|
sl5.Free;
|
||
|
|
sl6.Free;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TfrxSeriesData }
|
||
|
|
|
||
|
|
constructor TfrxSeriesData.Create(Report: TfrxReport);
|
||
|
|
begin
|
||
|
|
inherited Create(TfrxSeriesItem);
|
||
|
|
FReport := Report;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TfrxSeriesData.Add: TfrxSeriesItem;
|
||
|
|
begin
|
||
|
|
Result := TfrxSeriesItem(inherited Add);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TfrxSeriesData.GetSeries(Index: Integer): TfrxSeriesItem;
|
||
|
|
begin
|
||
|
|
Result := TfrxSeriesItem(inherited Items[Index]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TfrxChartView }
|
||
|
|
|
||
|
|
constructor TfrxChartView.Create(AOwner: TComponent);
|
||
|
|
begin
|
||
|
|
inherited Create(AOwner);
|
||
|
|
CreateChart;
|
||
|
|
FNormalSize := TBitmap.Create(0, 0);
|
||
|
|
FBigSize := TBitmap.Create(0, 0);
|
||
|
|
FSeriesData := TfrxSeriesData.Create(Report);
|
||
|
|
end;
|
||
|
|
|
||
|
|
destructor TfrxChartView.Destroy;
|
||
|
|
begin
|
||
|
|
FChart.Free;
|
||
|
|
FNormalSize.Free;
|
||
|
|
FBigSize.Free;
|
||
|
|
inherited Destroy;
|
||
|
|
FSeriesData.Free;
|
||
|
|
end;
|
||
|
|
|
||
|
|
class function TfrxChartView.GetDescription: String;
|
||
|
|
begin
|
||
|
|
Result := frxResources.Get('obChart');
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.Notification(AComponent: TComponent; Operation: TOperation);
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
if Operation = opRemove then
|
||
|
|
begin
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
if AComponent is TfrxDataSet then
|
||
|
|
begin
|
||
|
|
if FSeriesData[i].DataSet = AComponent then
|
||
|
|
FSeriesData[i].DataSet := nil;
|
||
|
|
end
|
||
|
|
else if AComponent is TfrxBand then
|
||
|
|
begin
|
||
|
|
if FSeriesData[i].DataBand = AComponent then
|
||
|
|
FSeriesData[i].DataBand := nil;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
class function TfrxChartView.GetChartClass: TChartClass;
|
||
|
|
begin
|
||
|
|
Result := TChart;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.CreateChart;
|
||
|
|
begin
|
||
|
|
FChart := GetChartClass.Create(Self);
|
||
|
|
with FChart do
|
||
|
|
begin
|
||
|
|
Color := claWhite;
|
||
|
|
BevelInner := bvNone;
|
||
|
|
BevelOuter := bvNone;
|
||
|
|
Name := 'Chart';
|
||
|
|
Frame.Visible := False;
|
||
|
|
View3DOptions.Rotation := 0;
|
||
|
|
Title.Text.Text := '';
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.DefineProperties(Filer: TFiler);
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
Filer.DefineBinaryProperty('Chart', ReadData, WriteData, True);
|
||
|
|
Filer.DefineProperty('ChartElevation', ReadData1, WriteData1, True);
|
||
|
|
Filer.DefineProperty('SeriesData', ReadData2, WriteData2, True);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.ReadData(Stream: TStream);
|
||
|
|
begin
|
||
|
|
FChart.Free;
|
||
|
|
CreateChart;
|
||
|
|
Stream.ReadComponent(FChart);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.WriteData(Stream: TStream);
|
||
|
|
begin
|
||
|
|
Stream.WriteComponent(FChart);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.ReadData1(Reader: TReader);
|
||
|
|
begin
|
||
|
|
FChart.View3DOptions.Elevation := Reader.ReadInteger;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.WriteData1(Writer: TWriter);
|
||
|
|
begin
|
||
|
|
Writer.WriteInteger(FChart.View3DOptions.Elevation);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.ReadData2(Reader: TReader);
|
||
|
|
begin
|
||
|
|
frxReadCollection(FSeriesData, Reader, Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.SetHeight(Value: Double);
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
if FSeriesData.Count > 0 then
|
||
|
|
FSeriesData[0].FIsDataChanged := True;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.SetWidth(Value: Double);
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
if FSeriesData.Count > 0 then
|
||
|
|
FSeriesData[0].FIsDataChanged := True;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.WriteData2(Writer: TWriter);
|
||
|
|
begin
|
||
|
|
frxWriteCollection(FSeriesData, Writer, Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.FillChart;
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
begin
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
FSeriesData[i].FillSeries(FChart.Series[i]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.Draw(Canvas: TCanvas; ScaleX, ScaleY, OffsetX,
|
||
|
|
OffsetY: Extended);
|
||
|
|
var
|
||
|
|
{$IFNDEF MSWINDOWS}
|
||
|
|
i: Integer;
|
||
|
|
IsDataChanged: Boolean;
|
||
|
|
{$ELSE}
|
||
|
|
OffsetM, ScaleM: TMatrix;
|
||
|
|
state: TCanvasSaveState;
|
||
|
|
OldM: TMatrix;
|
||
|
|
MetaF: TBitmap;
|
||
|
|
{$ENDIF}
|
||
|
|
begin
|
||
|
|
BeginDraw(Canvas, ScaleX, ScaleY, OffsetX, OffsetY);
|
||
|
|
DrawBackground;
|
||
|
|
{$IFNDEF MSWINDOWS}
|
||
|
|
IsDataChanged := False;
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
begin
|
||
|
|
IsDataChanged := FSeriesData[i].FIsDataChanged;
|
||
|
|
FSeriesData[i].FIsDataChanged := False;
|
||
|
|
end;
|
||
|
|
|
||
|
|
if IsDataChanged then
|
||
|
|
begin
|
||
|
|
FillChart;
|
||
|
|
if Color = claNull then
|
||
|
|
FChart.Color := claWhite else
|
||
|
|
FChart.Color := Color;
|
||
|
|
FChart.BufferedDisplay := True;
|
||
|
|
FNormalSize := FChart.TeeCreateBitmap(claNull,RectF(0, 0, Width, Height), 0);
|
||
|
|
end;
|
||
|
|
Canvas.DrawBitmap(FNormalSize, RectF(0, 0, Width, Height), RectF(FX, FY, FX1, FY1), 1, True);
|
||
|
|
{$ELSE}
|
||
|
|
FillChart;
|
||
|
|
if Color = claNull then
|
||
|
|
FChart.Color := claWhite else
|
||
|
|
FChart.Color := Color;
|
||
|
|
FChart.BufferedDisplay := True;
|
||
|
|
{$IFDEF DELPHI17}
|
||
|
|
if IsPrinting then
|
||
|
|
begin
|
||
|
|
// todo printing in low res
|
||
|
|
// with actual DPI TeeChart doesnt fit labels and text correct
|
||
|
|
// should be :
|
||
|
|
//MetaF := FChart.TeeCreateBitmap(claNull, RectF(0, 0, Width * ScaleX, Height * ScaleY ), 96);
|
||
|
|
MetaF := FChart.TeeCreateBitmap(claNull, RectF(0, 0, Width, Height ), 96);
|
||
|
|
try
|
||
|
|
Canvas.BeginScene();
|
||
|
|
// should be :
|
||
|
|
//Canvas.DrawBitmap(MetaF, RectF(0, 0, Width * ScaleX, Height * ScaleY), RectF(FX, FY, FX1, FY1), 1, True);
|
||
|
|
Canvas.DrawBitmap(MetaF, RectF(0, 0, Width , Height), RectF(FX, FY, FX1, FY1), 1, True);
|
||
|
|
if Canvas.BeginSceneCount > 0 then
|
||
|
|
Canvas.EndScene;
|
||
|
|
finally
|
||
|
|
MetaF.Free;
|
||
|
|
end;
|
||
|
|
end
|
||
|
|
else begin
|
||
|
|
OldM := Canvas.Matrix;
|
||
|
|
State := Canvas.SaveState;
|
||
|
|
try
|
||
|
|
ScaleM := CreateScaleMatrix(ScaleX, ScaleY);
|
||
|
|
OffsetM := CreateTranslateMatrix(FX, FY);
|
||
|
|
OffsetM := MatrixMultiply(OldM, OffsetM);
|
||
|
|
OffsetM := MatrixMultiply(ScaleM, OffsetM);
|
||
|
|
Canvas.SetMatrix(OffsetM);
|
||
|
|
FChart.Draw (Canvas, RectF(0, 0, Width , Height));
|
||
|
|
finally
|
||
|
|
Canvas.RestoreState(state);
|
||
|
|
Canvas.SetMatrix(OldM);
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
{$ELSE}
|
||
|
|
OldM := Canvas.Matrix;
|
||
|
|
State := Canvas.SaveState;
|
||
|
|
try
|
||
|
|
ScaleM := CreateScaleMatrix(ScaleX, ScaleY);
|
||
|
|
OffsetM := CreateTranslateMatrix(FX, FY);
|
||
|
|
OffsetM := MatrixMultiply(OldM, OffsetM);
|
||
|
|
OffsetM := MatrixMultiply(ScaleM, OffsetM);
|
||
|
|
Canvas.SetMatrix(OffsetM);
|
||
|
|
FChart.Draw (Canvas, RectF(0, 0, Width , Height));
|
||
|
|
finally
|
||
|
|
Canvas.RestoreState(state);
|
||
|
|
Canvas.SetMatrix(OldM);
|
||
|
|
end;
|
||
|
|
{$ENDIF}
|
||
|
|
{$ENDIF}
|
||
|
|
DrawFrame;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.AfterPrint;
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
begin
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
with FSeriesData[i] do
|
||
|
|
begin
|
||
|
|
Values1 := '';
|
||
|
|
Values2 := '';
|
||
|
|
Values3 := '';
|
||
|
|
Values4 := '';
|
||
|
|
Values5 := '';
|
||
|
|
Values6 := '';
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.GetData;
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
function ConvertVarToStr(Val: Variant): String;
|
||
|
|
begin
|
||
|
|
if not FIgnoreNulls and VarIsNull(Val) then
|
||
|
|
Result := '0'
|
||
|
|
else
|
||
|
|
Result := VarToStr(Val)
|
||
|
|
end;
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
with FSeriesData[i] do
|
||
|
|
if (DataType = dtDBData) and (DataSet <> nil) then
|
||
|
|
begin
|
||
|
|
Values1 := '';
|
||
|
|
Values2 := '';
|
||
|
|
Values3 := '';
|
||
|
|
Values4 := '';
|
||
|
|
Values5 := '';
|
||
|
|
Values6 := '';
|
||
|
|
|
||
|
|
DataSet.First;
|
||
|
|
while not DataSet.Eof do
|
||
|
|
begin
|
||
|
|
if Source1 <> '' then
|
||
|
|
Values1 := Values1 + ';' + VarToStr(Report.Calc(Source1));
|
||
|
|
if Source2 <> '' then
|
||
|
|
Values2 := Values2 + ';' + ConvertVarToStr(Report.Calc(Source2));
|
||
|
|
if Source3 <> '' then
|
||
|
|
Values3 := Values3 + ';' + ConvertVarToStr(Report.Calc(Source3));
|
||
|
|
if Source4 <> '' then
|
||
|
|
Values4 := Values4 + ';' + ConvertVarToStr(Report.Calc(Source4));
|
||
|
|
if Source5 <> '' then
|
||
|
|
Values5 := Values5 + ';' + ConvertVarToStr(Report.Calc(Source5));
|
||
|
|
if Source6 <> '' then
|
||
|
|
Values6 := Values6 + ';' + ConvertVarToStr(Report.Calc(Source6));
|
||
|
|
DataSet.Next;
|
||
|
|
end;
|
||
|
|
end
|
||
|
|
else if DataType = dtFixedData then
|
||
|
|
begin
|
||
|
|
Values1 := Source1;
|
||
|
|
Values2 := Source2;
|
||
|
|
Values3 := Source3;
|
||
|
|
Values4 := Source4;
|
||
|
|
Values5 := Source5;
|
||
|
|
Values6 := Source6;
|
||
|
|
end
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.BeforeStartReport;
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
begin
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
with FSeriesData[i] do
|
||
|
|
begin
|
||
|
|
Values1 := '';
|
||
|
|
Values2 := '';
|
||
|
|
Values3 := '';
|
||
|
|
Values4 := '';
|
||
|
|
Values5 := '';
|
||
|
|
Values6 := '';
|
||
|
|
end;
|
||
|
|
Report.Engine.NotifyList.Add(Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.OnNotify(Sender: TObject);
|
||
|
|
var
|
||
|
|
i: Integer;
|
||
|
|
function ConvertVarToStr(Val: Variant): String;
|
||
|
|
begin
|
||
|
|
if FIgnoreNulls and VarIsNull(Val) then
|
||
|
|
Result := '0'
|
||
|
|
else
|
||
|
|
Result := VarToStr(Val)
|
||
|
|
end;
|
||
|
|
begin
|
||
|
|
inherited;
|
||
|
|
for i := 0 to FSeriesData.Count - 1 do
|
||
|
|
with FSeriesData[i] do
|
||
|
|
if (DataType = dtBandData) and (DataBand = Sender) then
|
||
|
|
begin
|
||
|
|
Report.CurObject := Self.Name;
|
||
|
|
if Source1 <> '' then
|
||
|
|
Values1 := Values1 + ';' + VarToStr(Report.Calc(Source1));
|
||
|
|
if Source2 <> '' then
|
||
|
|
Values2 := Values2 + ';' + ConvertVarToStr(Report.Calc(Source2));
|
||
|
|
if Source3 <> '' then
|
||
|
|
Values3 := Values3 + ';' + ConvertVarToStr(Report.Calc(Source3));
|
||
|
|
if Source4 <> '' then
|
||
|
|
Values4 := Values4 + ';' + ConvertVarToStr(Report.Calc(Source4));
|
||
|
|
if Source5 <> '' then
|
||
|
|
Values5 := Values5 + ';' + ConvertVarToStr(Report.Calc(Source5));
|
||
|
|
if Source6 <> '' then
|
||
|
|
Values6 := Values6 + ';' + ConvertVarToStr(Report.Calc(Source6));
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.AddSeries(Series: TfrxChartSeries);
|
||
|
|
var
|
||
|
|
sc: TSeriesClass;
|
||
|
|
s: TChartSeries;
|
||
|
|
b: Boolean;
|
||
|
|
begin
|
||
|
|
sc := frxChartSeries[NativeInt(Series)];
|
||
|
|
s := TChartSeries(sc.NewInstance);
|
||
|
|
s.Create(Chart);
|
||
|
|
Chart.AddSeries(s);
|
||
|
|
SeriesData.Add;
|
||
|
|
|
||
|
|
with Chart do
|
||
|
|
begin
|
||
|
|
b := not (s is TPieSeries);
|
||
|
|
View3DOptions.Orthogonal := b;
|
||
|
|
AxisVisible := b;
|
||
|
|
View3DWalls := b;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxChartView.ClearSeries;
|
||
|
|
begin
|
||
|
|
FChart.Free;
|
||
|
|
CreateChart;
|
||
|
|
SeriesData.Clear;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
initialization
|
||
|
|
StartClassGroup(TFmxObject);
|
||
|
|
ActivateClassGroup(TFmxObject);
|
||
|
|
GroupDescendentsWith(TfrxChartObject, TFmxObject);
|
||
|
|
RegisterTeeStandardSeries;
|
||
|
|
frxObjects.RegisterObject1(TfrxChartView, nil, '', '', 0, 125);
|
||
|
|
|
||
|
|
finalization
|
||
|
|
frxObjects.UnRegister(TfrxChartView);
|
||
|
|
|
||
|
|
end.
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