142 lines
4.4 KiB
Plaintext
142 lines
4.4 KiB
Plaintext
{******************************************************************
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JEDI-VCL Demo
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Copyright (C) 2002 Project JEDI
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Original author:
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Contributor(s):
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You may retrieve the latest version of this file at the JEDI-JVCL
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home page, located at http://jvcl.sourceforge.net
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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******************************************************************}
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{*******************************************************}
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{ }
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{ Delphi VCL Extensions (RX) demo program }
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{ }
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{ Copyright (c) 1996 AO ROSNO }
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{ Copyright (c) 1997 Master-Bank }
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{ }
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{*******************************************************}
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unit OpenDlg;
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interface
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uses WinTypes, WinProcs, Classes, Graphics, Forms, Controls, Buttons,
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StdCtrls, Mask, JvToolEdit, DB, ExtCtrls, JvBDELists,
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DBTables, JvComponent, JvFormPlacement, JvDBLookup, JvPicClip, JvExMask,
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JvExControls;
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type
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TOpenDatabaseDlg = class(TForm)
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Bevel1: TBevel;
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DataSource1: TDataSource;
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rxDBLookupCombo1: TJvDBLookupCombo ;
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DirectoryEdit1: TJvDirectoryEdit ;
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Label1: TLabel;
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Label2: TLabel;
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OkBtn: TButton;
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CancelBtn: TButton;
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FormStorage1: TJvFormStorage ;
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JvPicclip: TJvPicClip ;
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procedure rxDBLookupCombo1Change(Sender: TObject);
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procedure DirectoryEdit1Change(Sender: TObject);
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procedure DBLookupComboGetImage(Sender: TObject; IsEmpty: Boolean;
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var Graphic: TGraphic; var TextMargin: Integer);
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procedure FormCreate(Sender: TObject);
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private
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{ Private declarations }
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LangDrivList:TJvLangDrivList; //!!!
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DatabaseList:TJvBDEItems; //!!!
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function GetDatabaseName: string;
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public
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{ Public declarations }
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property DatabaseName: string read GetDatabaseName;
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end;
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function GetOpenDatabase(var DBName: string): Boolean;
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implementation
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{$R *.DFM}
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uses SysUtils, JvDBUtils, JvBdeUtils;
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function GetOpenDatabase(var DBName: string): Boolean;
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begin
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Result := False;
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with TOpenDatabaseDlg.Create(Application) do
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try
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if ShowModal = mrOk then begin
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DBName := DatabaseName;
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Result := DBName <> '';
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end;
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finally
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Free;
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end;
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end;
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{ TOpenDatabaseDlg }
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function TOpenDatabaseDlg.GetDatabaseName: string;
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begin
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Result := rxDBLookupCombo1.DisplayValue;
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if Result = '' then Result := DirectoryEdit1.Text;
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end;
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procedure TOpenDatabaseDlg.rxDBLookupCombo1Change(Sender: TObject);
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begin
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if DataSetFindValue(DatabaseList, rxDBLookupCombo1.Value, 'NAME') then
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DirectoryEdit1.Text := DatabaseList.FieldByName('PHYNAME').AsString;
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end;
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procedure TOpenDatabaseDlg.DirectoryEdit1Change(Sender: TObject);
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begin
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if DirectoryEdit1.Text <> '' then begin
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if DataSetFindValue(DatabaseList, DirectoryEdit1.Text, 'PHYNAME') then
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rxDBLookupCombo1.Value := DatabaseList.FieldByName('NAME').AsString
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else rxDBLookupCombo1.ResetField;
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end;
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end;
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procedure TOpenDatabaseDlg.DBLookupComboGetImage(Sender: TObject;
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IsEmpty: Boolean; var Graphic: TGraphic; var TextMargin: Integer);
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begin
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TextMargin := JvPicclip.Width + 2;
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if not IsEmpty then begin
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if CompareText(DatabaseList.FieldByName('DBTYPE').AsString, 'STANDARD') = 0
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then Graphic := JvPicclip.GraphicCell[1]
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else Graphic := JvPicclip.GraphicCell[0];
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end;
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end;
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procedure TOpenDatabaseDlg.FormCreate(Sender: TObject);
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begin
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{$IFDEF WIN32}
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DirectoryEdit1.DialogText := 'Select a path to the target database.';
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DirectoryEdit1.DialogKind := dkWin32;
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{$ENDIF}
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DatabaseList := TJvBDEItems.Create(self);
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DatabaseList.ItemType := bdDatabases;
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DatabaseList.Open;
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LangDrivList := TJvLangDrivList.Create(self);
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LangDrivList.Open;
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DataSource1.DataSet := DatabaseList;
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end;
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end.
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