{----------------------------------------------------------------------------- The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/MPL-1.1.html Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is: JvSelDSFrm.PAS, released on 2002-07-04. The Initial Developers of the Original Code are: Fedor Koshevnikov, Igor Pavluk and Serge Korolev Copyright (c) 1997, 1998 Fedor Koshevnikov, Igor Pavluk and Serge Korolev Copyright (c) 2001,2002 SGB Software All Rights Reserved. You may retrieve the latest version of this file at the Project JEDI's JVCL home page, located at http://jvcl.delphi-jedi.org Known Issues: -----------------------------------------------------------------------------} // $Id: JvSelectDataSetForm.pas 12461 2009-08-14 17:21:33Z obones $ unit JvSelectDataSetForm; {$I jvcl.inc} interface {$IFNDEF DelphiPersonalEdition} uses Windows, SysUtils, Classes, Controls, Forms, DB, StdCtrls, RTLConsts, DesignIntf, DesignEditors, VCLEditors, JvDsgnTypes; type TJvSelectDataSetForm = class(TForm) GroupBox: TGroupBox; DataSetList: TListBox; OkBtn: TButton; CancelBtn: TButton; procedure DataSetListDblClick(Sender: TObject); procedure DataSetListKeyPress(Sender: TObject; var Key: Char); private FDesigner: IDesigner; FExclude: string; procedure FillDataSetList(ExcludeDataSet: TDataSet); procedure AddDataSet(const S: string); end; function SelectDataSet(ADesigner: IJvFormDesigner; const ACaption: string; ExcludeDataSet: TDataSet): TDataSet; {$ENDIF !DelphiPersonalEdition} implementation {$IFNDEF DelphiPersonalEdition} uses TypInfo, DsnDbCst, DSDesign, JvJVCLUtils, JvConsts; {$R *.dfm} function SelectDataSet(ADesigner: IJvFormDesigner; const ACaption: string; ExcludeDataSet: TDataSet): TDataSet; begin Result := nil; with TJvSelectDataSetForm.Create(Application) do try if ACaption <> '' then Caption := ACaption; FDesigner := ADesigner; FillDataSetList(ExcludeDataSet); if ShowModal = mrOk then if DataSetList.ItemIndex >= 0 then begin with DataSetList do Result := FDesigner.GetComponent(Items[ItemIndex]) as TDataSet; end; finally Free; end; end; //=== { TJvSelectDataSetForm } =============================================== procedure TJvSelectDataSetForm.AddDataSet(const S: string); begin if (S <> '') and (S <> FExclude) then DataSetList.Items.Add(S); end; procedure TJvSelectDataSetForm.FillDataSetList(ExcludeDataSet: TDataSet); begin DataSetList.Items.BeginUpdate; try DataSetList.Clear; FExclude := ''; if ExcludeDataSet <> nil then FExclude := ExcludeDataSet.Name; FDesigner.GetComponentNames(GetTypeData(TypeInfo(TDataSet)), AddDataSet); with DataSetList do begin if Items.Count > 0 then ItemIndex := 0; Enabled := Items.Count > 0; OkBtn.Enabled := (ItemIndex >= 0); end; finally DataSetList.Items.EndUpdate; end; end; procedure TJvSelectDataSetForm.DataSetListDblClick(Sender: TObject); begin if DataSetList.ItemIndex >= 0 then ModalResult := mrOk; end; procedure TJvSelectDataSetForm.DataSetListKeyPress(Sender: TObject; var Key: Char); begin if (Ord(Key) = VK_RETURN) and (DataSetList.ItemIndex >= 0) then ModalResult := mrOk; end; {$ENDIF !DelphiPersonalEdition} end.