111 lines
4.1 KiB
ObjectPascal
111 lines
4.1 KiB
ObjectPascal
{********************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressPivotGrid }
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{ }
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{ Copyright (c) 2005-2009 Developer Express Inc. }
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{ ALL RIGHTS RESERVED }
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{ }
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{ The entire contents of this file is protected by U.S. and }
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{ International Copyright Laws. Unauthorized reproduction, }
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{ reverse-engineering, and distribution of all or any portion of }
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{ the code contained in this file is strictly prohibited and may }
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{ result in severe civil and criminal penalties and will be }
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{ prosecuted to the maximum extent possible under the law. }
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{ }
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{ RESTRICTIONS }
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{ }
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{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
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{ (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE }
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{ SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS }
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{ LICENSED TO DISTRIBUTE THE EXPRESSPIVOTGRID AND ALL ACCOMPANYING }
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{ VCL CONTROLS AS PART OF AN EXECUTABLE PROGRAM ONLY. }
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{ }
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{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
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{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
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{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
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{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
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{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
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{ }
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{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
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{ ADDITIONAL RESTRICTIONS. }
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{ }
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{********************************************************************}
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unit cxPivotGridDrillDownDataSet;
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interface
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uses
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Classes, SysUtils, DB, cxClasses, dxmdaset, cxCustomPivotGrid, cxPivotGridCustomDataSet;
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type
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TcxCustomPivotGridDrillDownDataSet = class(TcxPivotGridCustomDataSet)
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private
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FDrillDownDatasource: TcxPivotGridCrossCellDataSource;
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protected
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procedure SelectionChanged(Sender: TcxCustomPivotGrid); override;
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procedure DoCreateData; override;
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procedure DoCreateFields; override;
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procedure DoPopulate; override;
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end;
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TcxPivotGridDrillDownDataSet = class(TcxCustomPivotGridDrillDownDataSet)
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published
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property PivotGrid;
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property SynchronizeData;
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property OnCreateField;
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property OnDataChanged;
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end;
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implementation
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uses
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cxCustomData;
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{ TcxCustomPivotGridDrillDownDataSet }
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procedure TcxCustomPivotGridDrillDownDataSet.DoPopulate;
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var
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I, J: Integer;
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begin
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inherited;
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for I := 0 to FDrillDownDatasource.RecordCount - 1 do
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begin
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Append;
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for J := 0 to FDrillDownDatasource.FieldCount - 1 do
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Fields[J+1{RecID}].Value := FDrillDownDatasource.Values[TcxDataRecordHandle(I), TcxDataItemHandle(J)];
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Post;
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end;
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end;
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procedure TcxCustomPivotGridDrillDownDataSet.DoCreateData;
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begin
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FDrillDownDatasource := TcxPivotGridCrossCellDataSource(PivotGrid.CreateDrillDownDataSource);
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try
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inherited;
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finally
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FreeAndNil(FDrillDownDatasource);
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end;
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end;
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procedure TcxCustomPivotGridDrillDownDataSet.DoCreateFields;
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var
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I: Integer;
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begin
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for I := 0 to FDrillDownDatasource.FieldCount - 1 do
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DoCreateField(FDrillDownDatasource.PivotGridFields[I]);
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end;
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procedure TcxCustomPivotGridDrillDownDataSet.SelectionChanged(
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Sender: TcxCustomPivotGrid);
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begin
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if SynchronizeData then
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CreateData;
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end;
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end.
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