david
47aaf11578
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@38 05c56307-c608-d34a-929d-697000501d7a
105 lines
3.8 KiB
ObjectPascal
105 lines
3.8 KiB
ObjectPascal
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{*******************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ Express extended standalone lookup edit registration }
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{ }
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{ Copyright (c) 1998-2009 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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{ 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 dxExLReg;
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interface
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{$I dxTLVer.inc}
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procedure Register;
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implementation
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uses
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Windows, Messages, SysUtils, Classes, dxExELib{$IFNDEF DELPHI6}, DsgnIntf{$ELSE},
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DesignIntf, DesignEditors, VCLEditors{$ENDIF};
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type
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{ TdxDBExtLookupEditPickListFieldProperty }
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TdxDBExtLookupEditPickListFieldProperty = class(TStringProperty)
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public
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function GetAttributes: TPropertyAttributes; override;
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procedure GetValueList(List: TStrings); virtual;
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procedure GetValues(Proc: TGetStrProc); override;
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end;
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function TdxDBExtLookupEditPickListFieldProperty.GetAttributes: TPropertyAttributes;
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begin
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Result := [paValueList, paSortList, paMultiSelect];
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end;
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procedure TdxDBExtLookupEditPickListFieldProperty.GetValueList(List: TStrings);
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var
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AEdit: TdxDBExtLookupEdit;
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PrevActive: Boolean;
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begin
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AEdit := TdxDBExtLookupEdit(GetComponent(0));
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if AEdit.DBGridLayout <> nil then
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with AEdit.DBGridLayout do
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begin
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PrevActive := Active;
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try
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// TODO DBGridParent
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Active := True;
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if (DBGrid.DataSource <> nil) and (DBGrid.DataSource.DataSet <> nil) then
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DBGrid.DataSource.DataSet.GetFieldNames(List);
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finally
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Active := PrevActive;
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end;
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end;
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end;
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procedure TdxDBExtLookupEditPickListFieldProperty.GetValues(Proc: TGetStrProc);
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var
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I: Integer;
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Values: TStringList;
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begin
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Values := TStringList.Create;
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try
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GetValueList(Values);
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for I := 0 to Values.Count - 1 do Proc(Values[I]);
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finally
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Values.Free;
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end;
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end;
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procedure Register;
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begin
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// DB
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RegisterComponents('Express DBEditors', [TdxDBExtLookupEdit]);
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RegisterPropertyEditor(TypeInfo(string), TdxDBExtLookupEdit, 'PickListField',
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TdxDBExtLookupEditPickListFieldProperty);
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{$IFDEF DELPHI6}
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RegisterPropertyEditor(TypeInfo(TShortCut), TdxDBExtLookupEdit, 'ClearKey', TShortCutProperty);
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{$ENDIF}
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end;
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end.
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