{*******************************************************************} { } { Developer Express Visual Component Library } { Express tree view printed dataset } { } { Copyright (c) 1998-2008 Developer Express Inc. } { ALL RIGHTS RESERVED } { } { The entire contents of this file is protected by U.S. and } { International Copyright Laws. Unauthorized reproduction, } { reverse-engineering, and distribution of all or any portion of } { the code contained in this file is strictly prohibited and may } { result in severe civil and criminal penalties and will be } { prosecuted to the maximum extent possible under the law. } { } { RESTRICTIONS } { } { THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES } { (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE } { SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS } { LICENSED TO DISTRIBUTE THE EXPRESSGRID AND ALL ACCOMPANYING VCL } { CONTROLS AS PART OF AN EXECUTABLE PROGRAM ONLY. } { } { THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED } { FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE } { COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE } { AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT } { AND PERMISSION FROM DEVELOPER EXPRESS INC. } { } { CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON } { ADDITIONAL RESTRICTIONS. } { } {*******************************************************************} unit dxtrpreg; {$I cxVer.inc} interface uses Classes, SysUtils, dxmdaset, Windows, DB; procedure Register; implementation uses {$IFDEF DELPHI6}DesignIntf, DesignEditors{$ELSE}DsgnIntf{$ENDIF}, dxtrprds; type TCustomDBTreeViewFieldProperty = class(TStringProperty) public function GetAttributes: TPropertyAttributes; override; procedure GetValueList(List: TStrings); virtual; procedure GetValues(Proc: TGetStrProc); override; end; function TCustomDBTreeViewFieldProperty.GetAttributes: TPropertyAttributes; begin Result := [paValueList, paSortList, paMultiSelect]; end; procedure TCustomDBTreeViewFieldProperty.GetValueList(List: TStrings); begin end; procedure TCustomDBTreeViewFieldProperty.GetValues(Proc: TGetStrProc); var I: Integer; Values: TStringList; begin Values := TStringList.Create; try GetValueList(Values); for I := 0 to Values.Count - 1 do Proc(Values[I]); finally Values.Free; end; end; type TDBTreePrnDataFieldProperty = class(TCustomDBTreeViewFieldProperty) public procedure GetValueList(List: TStrings); override; end; procedure TDBTreePrnDataFieldProperty.GetValueList(List: TStrings); var DataSet : TDataSet; begin DataSet := nil; if ((GetComponent(0) as TdxDBTreePrintData).DataSource <> nil) then DataSet := (GetComponent(0) as TdxDBTreePrintData).DataSource.DataSet; if(DataSet <> nil) then DataSet.GetFieldNames(List); end; procedure Register; begin RegisterComponents('ExpressDBTree', [TdxDBTreePrintData]); RegisterPropertyEditor(TypeInfo(string), TdxDBTreePrintData, 'KeyField', TDBTreePrnDataFieldProperty); RegisterPropertyEditor(TypeInfo(string), TdxDBTreePrintData, 'ParentField', TDBTreePrnDataFieldProperty); end; end.