trunk/iblocaldb/IBXUpgradeDatabaseDlg.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 IBXUpgradeDatabaseDlg;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls,  Dialogs, StdCtrls,
  ComCtrls, ExtCtrls, IBDatabase, ibxscript,  IBHeader;

type
  { TUpgradeDatabaseDlg }

  TUpgradeDatabaseDlg = class(TForm)
    UpdateTransaction: TIBTransaction;
    IBXScript: TIBXScript;
    Label1: TLabel;
    Panel1: TPanel;
    ProgressBar1: TProgressBar;
    FDatabase: TIBDatabase;
    Status: TLabel;
    Timer1: TTimer;
    procedure FormShow(Sender: TObject);
    procedure HandleCompletionEvent(Sender: TObject);
    procedure IBXScriptLogProc(Sender: TObject; Msg: string);
    procedure IBXScriptProgressEvent(Sender: TObject; Reset: boolean;
      value: integer);
  private
    FOnDoUpgrade: TNotifyEvent;
    { private declarations }
    FUpgradeLog: TStrings;
    procedure DoUpdate(Data: PtrInt);
  public
    { public declarations }
    SuccessfulCompletion: boolean;
    constructor Create(theOwner: TComponent); override;
    destructor Destroy; override;
    procedure Add2Log(Msg: string);
    property OnDoUpgrade: TNotifyEvent read FOnDoUpgrade write FOnDoUpgrade;
  end; 


var
  UpgradeDatabaseDlg: TUpgradeDatabaseDlg;


implementation

{$R *.lfm}

uses  IBXViewLogDig;

{ TUpgradeDatabaseDlg }

procedure TUpgradeDatabaseDlg.FormShow(Sender: TObject);
begin
  ProgressBar1.Position := 0;
  Status.Caption := '';
  FUpgradeLog.Clear;
  Application.QueueAsyncCall(@DoUpdate,0);
end;

procedure TUpgradeDatabaseDlg.HandleCompletionEvent(Sender: TObject);
begin
  Timer1.Enabled := false;
  if not SuccessfulCompletion then
  begin
    ShowViewLogDlg(FUpgradeLog);
    ModalResult := mrCancel
  end
  else
    ModalResult := mrOK;
end;

procedure TUpgradeDatabaseDlg.IBXScriptLogProc(Sender: TObject; Msg: string);
begin
  Add2Log(Msg);
end;

procedure TUpgradeDatabaseDlg.IBXScriptProgressEvent(Sender: TObject;
  Reset: boolean; value: integer);
begin
  if Reset then
  begin
    with ProgressBar1 do
    begin
      Position := 0;
      Max := value;
    end;
  end;
  ProgressBar1.StepIt;
  Application.ProcessMessages;
end;

procedure TUpgradeDatabaseDlg.Add2Log(Msg: string);
begin
  FUpgradeLog.Add(Msg);
end;

procedure TUpgradeDatabaseDlg.DoUpdate(Data: PtrInt);

begin
  SuccessfulCompletion := true;
  try
    if assigned(OnDoUpgrade) then
      OnDoUpgrade(self);
  except on E:Exception do
   begin
    SuccessfulCompletion := false;
    Add2Log(E.Message);
   end;
  end;
  Timer1.Enabled := true;
end;


constructor TUpgradeDatabaseDlg.Create(theOwner: TComponent);
begin
  inherited Create(theOwner);
  FUpgradeLog := TStringList.Create;
end;

destructor TUpgradeDatabaseDlg.Destroy;
begin
  if assigned(FUpgradeLog) then
    FUpgradeLog.Free;
  inherited Destroy;
end;

end.

Revision:	37
Committed:	Mon Feb 15 14:44:25 2016 UTC (8 years, 2 months ago) by tony
Content type:	text/x-pascal
File size:	3602 byte(s)
Log Message:	Committing updates for Release R1-4-0
#	User	Rev	Content
1	tony	37	(*
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 IBXUpgradeDatabaseDlg;
27
28			{$mode objfpc}{$H+}
29
30			interface
31
32			uses
33			Classes, SysUtils, FileUtil, Forms, Controls, Dialogs, StdCtrls,
34			ComCtrls, ExtCtrls, IBDatabase, ibxscript, IBHeader;
35
36			type
37			{ TUpgradeDatabaseDlg }
38
39			TUpgradeDatabaseDlg = class(TForm)
40			UpdateTransaction: TIBTransaction;
41			IBXScript: TIBXScript;
42			Label1: TLabel;
43			Panel1: TPanel;
44			ProgressBar1: TProgressBar;
45			FDatabase: TIBDatabase;
46			Status: TLabel;
47			Timer1: TTimer;
48			procedure FormShow(Sender: TObject);
49			procedure HandleCompletionEvent(Sender: TObject);
50			procedure IBXScriptLogProc(Sender: TObject; Msg: string);
51			procedure IBXScriptProgressEvent(Sender: TObject; Reset: boolean;
52			value: integer);
53			private
54			FOnDoUpgrade: TNotifyEvent;
55			{ private declarations }
56			FUpgradeLog: TStrings;
57			procedure DoUpdate(Data: PtrInt);
58			public
59			{ public declarations }
60			SuccessfulCompletion: boolean;
61			constructor Create(theOwner: TComponent); override;
62			destructor Destroy; override;
63			procedure Add2Log(Msg: string);
64			property OnDoUpgrade: TNotifyEvent read FOnDoUpgrade write FOnDoUpgrade;
65			end;
66
67
68
69			var
70			UpgradeDatabaseDlg: TUpgradeDatabaseDlg;
71
72
73			implementation
74
75			{$R *.lfm}
76
77			uses IBXViewLogDig;
78
79			{ TUpgradeDatabaseDlg }
80
81			procedure TUpgradeDatabaseDlg.FormShow(Sender: TObject);
82			begin
83			ProgressBar1.Position := 0;
84			Status.Caption := '';
85			FUpgradeLog.Clear;
86			Application.QueueAsyncCall(@DoUpdate,0);
87			end;
88
89			procedure TUpgradeDatabaseDlg.HandleCompletionEvent(Sender: TObject);
90			begin
91			Timer1.Enabled := false;
92			if not SuccessfulCompletion then
93			begin
94			ShowViewLogDlg(FUpgradeLog);
95			ModalResult := mrCancel
96			end
97			else
98			ModalResult := mrOK;
99			end;
100
101			procedure TUpgradeDatabaseDlg.IBXScriptLogProc(Sender: TObject; Msg: string);
102			begin
103			Add2Log(Msg);
104			end;
105
106			procedure TUpgradeDatabaseDlg.IBXScriptProgressEvent(Sender: TObject;
107			Reset: boolean; value: integer);
108			begin
109			if Reset then
110			begin
111			with ProgressBar1 do
112			begin
113			Position := 0;
114			Max := value;
115			end;
116			end;
117			ProgressBar1.StepIt;
118			Application.ProcessMessages;
119			end;
120
121			procedure TUpgradeDatabaseDlg.Add2Log(Msg: string);
122			begin
123			FUpgradeLog.Add(Msg);
124			end;
125
126			procedure TUpgradeDatabaseDlg.DoUpdate(Data: PtrInt);
127
128			begin
129			SuccessfulCompletion := true;
130			try
131			if assigned(OnDoUpgrade) then
132			OnDoUpgrade(self);
133			except on E:Exception do
134			begin
135			SuccessfulCompletion := false;
136			Add2Log(E.Message);
137			end;
138			end;
139			Timer1.Enabled := true;
140			end;
141
142
143			constructor TUpgradeDatabaseDlg.Create(theOwner: TComponent);
144			begin
145			inherited Create(theOwner);
146			FUpgradeLog := TStringList.Create;
147			end;
148
149			destructor TUpgradeDatabaseDlg.Destroy;
150			begin
151			if assigned(FUpgradeLog) then
152			FUpgradeLog.Free;
153			inherited Destroy;
154			end;
155
156			end.
157