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root/public/ibx/trunk/iblocaldb/IBXUpgradeDatabaseDlg.pas
Revision: 45
Committed: Tue Dec 6 10:33:46 2016 UTC (7 years, 11 months ago) by tony
Content type: text/x-pascal
File size: 3591 byte(s)
Log Message:
Committing updates for Release R2-0-0

File Contents

# 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 tony 45 ComCtrls, ExtCtrls, IBDatabase, ibxscript;
35 tony 37
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