trunk/iblocaldb/IBXSaveDatabaseDlg.pas

(*
 *  IBX For Lazarus (Firebird Express)
 *
 *  The contents of this file are subject to the Initial Developer's
 *  Public License Version 1.0 (the "License"); you may not use this
 *  file except in compliance with the License. You may obtain a copy
 *  of the License here:
 *
 *    http://www.firebirdsql.org/index.php?op=doc&id=idpl
 *
 *  Software distributed under the License is distributed on an "AS
 *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 *  implied. See the License for the specific language governing rights
 *  and limitations under the License.
 *
 *  The Initial Developer of the Original Code is Tony Whyman.
 *
 *  The Original Code is (C) 2014 Tony Whyman, MWA Software
 *  (http://www.mwasoftware.co.uk).
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): ______________________________________.
 *
*)
unit IBXSaveDatabaseDlg;

interface

{$mode objfpc}{$H+}

uses
  LCLIntf, LCLType, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, IBServices, StdCtrls, ExtCtrls;

type

  { TSaveDatabaseDlg }

  TSaveDatabaseDlg = class(TForm)
    Panel1: TPanel;
    Status: TLabel;
    Label1: TLabel;
    SaveDialog1: TSaveDialog;
    IBBackupService1: TIBBackupService;
    Timer1: TTimer;
    procedure FormShow(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private
    { Private declarations }
    procedure DoBackup(Data: PtrInt);
  public
    { Public declarations }
  end;

var
  SaveDatabaseDlg: TSaveDatabaseDlg;

function SaveDatabaseToArchive(DBName: string;  DBParams: TStrings; aFilename: string): boolean;

implementation

uses Registry;

{$IFDEF WINDOWS}
const
  rgShellFolders      = 'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders';
  rgPersonal          = 'Personal';
{$ENDIF}

function SaveDatabaseToArchive(DBName: string; DBParams: TStrings;
  aFilename: string): boolean;
begin
 with TSaveDatabaseDlg.Create(Application) do
 try
  if aFilename = ''  then
  begin
    SaveDialog1.InitialDir := GetUserDir;
    {$IFDEF WINDOWS}
    with TRegistry.Create do
    try
      if OpenKey(rgShellFolders,false) then
      begin
        SaveDialog1.InitialDir := ReadString(rgPersonal)
      end;
    finally
      Free
    end;
    {$ENDIF}
    if SaveDialog1.Execute then
      aFilename := SaveDialog1.FileName
    else
      Exit;
  end;
  IBBackupService1.SetDBParams(DBParams);
  IBBackupService1.BackupFile.Clear;
  IBBackupService1.DatabaseName := DBName;
  IBBackupService1.BackupFile.Add(aFilename);
  Result := ShowModal = mrOK
 finally
   Free
 end;
end;

{$R *.lfm}

{ TSaveDatabaseDlg }

procedure TSaveDatabaseDlg.FormShow(Sender: TObject);
begin
 Status.Caption := '';
 Application.QueueAsyncCall(@DoBackup,0);
end;

procedure TSaveDatabaseDlg.Timer1Timer(Sender: TObject);
begin
  Timer1.Interval := 0;
  if FileExists(IBBackupService1.BackupFile[0])  then
    ModalResult := mrOK
  else
    ModalResult := mrCancel
end;

procedure TSaveDatabaseDlg.DoBackup(Data: PtrInt);
begin
 try
  IBBackupService1.Active := true;
  IBBackupService1.ServiceStart;
  try
    while not IBBackupService1.Eof do
    begin
      Status.Caption := IBBackupService1.GetNextLine;
      Application.ProcessMessages
    end;
  finally
    IBBackupService1.Active := false
  end;
 except
   ModalResult := mrCancel;
   raise
 end;
 Timer1.Interval := 500;
end;

end.
Revision:	80
Committed:	Mon Jan 1 11:31:07 2018 UTC (6 years, 10 months ago) by tony
Content type:	text/x-pascal
File size:	3360 byte(s)
Log Message:	Fixes merged into public release
#	Content
1	(*
2	* IBX For Lazarus (Firebird Express)
3	*
4	* The contents of this file are subject to the Initial Developer's
5	* Public License Version 1.0 (the "License"); you may not use this
6	* file except in compliance with the License. You may obtain a copy
7	* of the License here:
8	*
9	* http://www.firebirdsql.org/index.php?op=doc&id=idpl
10	*
11	* Software distributed under the License is distributed on an "AS
12	* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13	* implied. See the License for the specific language governing rights
14	* and limitations under the License.
15	*
16	* The Initial Developer of the Original Code is Tony Whyman.
17	*
18	* The Original Code is (C) 2014 Tony Whyman, MWA Software
19	* (http://www.mwasoftware.co.uk).
20	*
21	* All Rights Reserved.
22	*
23	* Contributor(s): ______________________________________.
24	*
25	*)
26	unit IBXSaveDatabaseDlg;
27
28	interface
29
30	{$mode objfpc}{$H+}
31
32	uses
33	LCLIntf, LCLType, SysUtils, Variants, Classes, Graphics, Controls, Forms,
34	Dialogs, IBServices, StdCtrls, ExtCtrls;
35
36	type
37
38	{ TSaveDatabaseDlg }
39
40	TSaveDatabaseDlg = class(TForm)
41	Panel1: TPanel;
42	Status: TLabel;
43	Label1: TLabel;
44	SaveDialog1: TSaveDialog;
45	IBBackupService1: TIBBackupService;
46	Timer1: TTimer;
47	procedure FormShow(Sender: TObject);
48	procedure Timer1Timer(Sender: TObject);
49	private
50	{ Private declarations }
51	procedure DoBackup(Data: PtrInt);
52	public
53	{ Public declarations }
54	end;
55
56	var
57	SaveDatabaseDlg: TSaveDatabaseDlg;
58
59	function SaveDatabaseToArchive(DBName: string; DBParams: TStrings; aFilename: string): boolean;
60
61	implementation
62
63	uses Registry;
64
65	{$IFDEF WINDOWS}
66	const
67	rgShellFolders = 'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders';
68	rgPersonal = 'Personal';
69	{$ENDIF}
70
71	function SaveDatabaseToArchive(DBName: string; DBParams: TStrings;
72	aFilename: string): boolean;
73	begin
74	with TSaveDatabaseDlg.Create(Application) do
75	try
76	if aFilename = '' then
77	begin
78	SaveDialog1.InitialDir := GetUserDir;
79	{$IFDEF WINDOWS}
80	with TRegistry.Create do
81	try
82	if OpenKey(rgShellFolders,false) then
83	begin
84	SaveDialog1.InitialDir := ReadString(rgPersonal)
85	end;
86	finally
87	Free
88	end;
89	{$ENDIF}
90	if SaveDialog1.Execute then
91	aFilename := SaveDialog1.FileName
92	else
93	Exit;
94	end;
95	IBBackupService1.SetDBParams(DBParams);
96	IBBackupService1.BackupFile.Clear;
97	IBBackupService1.DatabaseName := DBName;
98	IBBackupService1.BackupFile.Add(aFilename);
99	Result := ShowModal = mrOK
100	finally
101	Free
102	end;
103	end;
104
105	{$R *.lfm}
106
107	{ TSaveDatabaseDlg }
108
109	procedure TSaveDatabaseDlg.FormShow(Sender: TObject);
110	begin
111	Status.Caption := '';
112	Application.QueueAsyncCall(@DoBackup,0);
113	end;
114
115	procedure TSaveDatabaseDlg.Timer1Timer(Sender: TObject);
116	begin
117	Timer1.Interval := 0;
118	if FileExists(IBBackupService1.BackupFile[0]) then
119	ModalResult := mrOK
120	else
121	ModalResult := mrCancel
122	end;
123
124	procedure TSaveDatabaseDlg.DoBackup(Data: PtrInt);
125	begin
126	try
127	IBBackupService1.Active := true;
128	IBBackupService1.ServiceStart;
129	try
130	while not IBBackupService1.Eof do
131	begin
132	Status.Caption := IBBackupService1.GetNextLine;
133	Application.ProcessMessages
134	end;
135	finally
136	IBBackupService1.Active := false
137	end;
138	except
139	ModalResult := mrCancel;
140	raise
141	end;
142	Timer1.Interval := 500;
143	end;
144
145	end.