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(*
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* IBX For Lazarus (Firebird Express)
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2014 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit IBXSaveDatabaseDlg;
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interface
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{$mode objfpc}{$H+}
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uses
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LCLIntf, LCLType, SysUtils, Variants, Classes, Graphics, Controls, Forms,
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Dialogs, IBServices, StdCtrls, ExtCtrls;
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type
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{ TSaveDatabaseDlg }
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TSaveDatabaseDlg = class(TForm)
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Panel1: TPanel;
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Status: TLabel;
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Label1: TLabel;
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SaveDialog1: TSaveDialog;
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IBBackupService1: TIBBackupService;
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Timer1: TTimer;
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procedure FormShow(Sender: TObject);
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procedure Timer1Timer(Sender: TObject);
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private
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{ Private declarations }
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procedure DoBackup(Data: PtrInt);
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public
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{ Public declarations }
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end;
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var
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SaveDatabaseDlg: TSaveDatabaseDlg;
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function SaveDatabaseToArchive(DBName: string; DBParams: TStrings; aFilename: string): boolean;
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implementation
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uses Registry;
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{$IFDEF WINDOWS}
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const
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rgShellFolders = 'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders';
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rgPersonal = 'Personal';
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{$ENDIF}
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function SaveDatabaseToArchive(DBName: string; DBParams: TStrings;
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aFilename: string): boolean;
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begin
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with TSaveDatabaseDlg.Create(Application) do
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try
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if aFilename = '' then
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begin
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SaveDialog1.InitialDir := GetUserDir;
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{$IFDEF WINDOWS}
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with TRegistry.Create do
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try
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if OpenKey(rgShellFolders,false) then
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begin
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SaveDialog1.InitialDir := ReadString(rgPersonal)
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end;
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finally
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Free
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end;
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{$ENDIF}
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if SaveDialog1.Execute then
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aFilename := SaveDialog1.FileName
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else
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Exit;
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end;
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IBBackupService1.SetDBParams(DBParams);
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IBBackupService1.BackupFile.Clear;
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IBBackupService1.DatabaseName := DBName;
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IBBackupService1.BackupFile.Add(aFilename);
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Result := ShowModal = mrOK
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finally
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Free
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end;
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end;
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{$R *.lfm}
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{ TSaveDatabaseDlg }
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procedure TSaveDatabaseDlg.FormShow(Sender: TObject);
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begin
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Status.Caption := '';
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Application.QueueAsyncCall(@DoBackup,0);
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end;
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procedure TSaveDatabaseDlg.Timer1Timer(Sender: TObject);
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begin
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Timer1.Interval := 0;
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if FileExists(IBBackupService1.BackupFile[0]) then
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ModalResult := mrOK
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else
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ModalResult := mrCancel
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end;
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procedure TSaveDatabaseDlg.DoBackup(Data: PtrInt);
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begin
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try
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IBBackupService1.Active := true;
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IBBackupService1.ServiceStart;
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try
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while not IBBackupService1.Eof do
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begin
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Status.Caption := IBBackupService1.GetNextLine;
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Application.ProcessMessages
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end;
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finally
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IBBackupService1.Active := false
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end;
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except
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ModalResult := mrCancel;
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raise
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end;
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Timer1.Interval := 500;
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end;
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end.
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