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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 IBXCreateDatabaseDlg;
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{$mode objfpc}{$H+}
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interface
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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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{ TCreateDatabaseDlg }
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TCreateDatabaseDlg = class(TForm)
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IBRestoreService1: TIBRestoreService;
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Panel1: TPanel;
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Status: TLabel;
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Label1: TLabel;
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OpenDialog1: TOpenDialog;
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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 DoRestore(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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CreateDatabaseDlg: TCreateDatabaseDlg;
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function RestoreDatabaseFromArchive(DBName: string; DBParams: TStrings; aFilename: string): boolean;
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function CreateNewDatabase(DBName: string; DBParams: TStrings; DBArchive: string): boolean;
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implementation
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function RestoreDatabaseFromArchive(DBName: string; DBParams: TStrings;
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aFilename: string): boolean;
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begin
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with TCreateDatabaseDlg.Create(Application) do
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try
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if (aFilename = '') or not FileExists(aFileName) then
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begin
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OpenDialog1.InitialDir := GetUserDir;
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if OpenDialog1.Execute then
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aFilename := OpenDialog1.FileName
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else
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Exit;
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end;
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IBRestoreService1.SetDBParams(DBParams);
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IBRestoreService1.BackupFile.Clear;
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IBRestoreService1.DatabaseName.Clear;
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IBRestoreService1.Options := [replace];
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IBRestoreService1.BackupFile.Add(aFilename);
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IBRestoreService1.DatabaseName.Add(DBName);
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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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function CreateNewDatabase(DBName: string; DBParams: TStrings; DBArchive: string
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): boolean;
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begin
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with TCreateDatabaseDlg.Create(Application) do
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try
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IBRestoreService1.SetDBParams(DBParams);
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IBRestoreService1.BackupFile.Clear;
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IBRestoreService1.DatabaseName.Clear;
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IBRestoreService1.Options := [CreateNewDB];
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IBRestoreService1.BackupFile.Add(DBArchive);
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IBRestoreService1.DatabaseName.Add(DBName);
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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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procedure TCreateDatabaseDlg.FormShow(Sender: TObject);
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begin
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Status.Caption := '';
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Application.QueueAsyncCall(@DoRestore,0)
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end;
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procedure TCreateDatabaseDlg.Timer1Timer(Sender: TObject);
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begin
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Timer1.Interval := 0;
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if FileExists(IBRestoreService1.DatabaseName[0]) then
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begin
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ModalResult := mrOK
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end
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else
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ModalResult := mrCancel
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end;
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procedure TCreateDatabaseDlg.DoRestore(Data: PtrInt);
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begin
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try
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IBRestoreService1.Active := true;
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IBRestoreService1.ServiceStart;
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try
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while not IBRestoreService1.Eof do
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begin
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Status.Caption := Trim(IBRestoreService1.GetNextLine);
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Application.ProcessMessages
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end;
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finally
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IBRestoreService1.Active := false
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end;
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Timer1.Interval := 500;
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except on E:Exception do
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raise
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end;
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end;
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end.
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