Componentes.Terceros.DevExp.../internal/x.44/1/ExpressDBTree Suite/Sources/dxtrpreg.pas
2009-06-29 12:09:02 +00:00

105 lines
4.1 KiB
ObjectPascal

{*******************************************************************}
{ }
{ Developer Express Visual Component Library }
{ Express tree view printed dataset }
{ }
{ Copyright (c) 1998-2009 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.