Componentes.Terceros.jvcl/official/3.00/install/JVCLInstall/Frames/FrmUninstall.pas

160 lines
4.7 KiB
ObjectPascal

{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: FrmUninstall.pas, released on 2004-04-06.
The Initial Developer of the Original Code is Andreas Hausladen
(Andreas dott Hausladen att gmx dott de)
Portions created by Andreas Hausladen are Copyright (C) 2004 Andreas Hausladen.
All Rights Reserved.
Contributor(s): -
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.sourceforge.net
Known Issues:
-----------------------------------------------------------------------------}
// $Id: FrmUninstall.pas,v 1.7 2006/01/26 23:24:38 ahuser Exp $
unit FrmUninstall;
{$I jvcl.inc}
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls,
JVCL3Install, JVCLData, PackageUtils, Compile, Utils;
type
TFrameUninstall = class(TFrame)
LblTarget: TLabel;
ProgressBar: TProgressBar;
LblFilename: TLabel;
ProgressBarDelete: TProgressBar;
private
FInitializing: Boolean;
FInstaller: TInstaller;
procedure Init;
protected
procedure EvProgress(Sender: TObject; const Text: string; Position, Max: Integer);
procedure EvDeleteFiles(TargetConfig: TTargetConfig);
property Installer: TInstaller read FInstaller;
public
class function Build(Installer: TInstaller; Client: TWinControl): TFrameUninstall;
procedure Execute;
end;
implementation
uses
InstallerConsts;
{$R *.dfm}
{ TFrameUninstall }
class function TFrameUnInstall.Build(Installer: TInstaller;
Client: TWinControl): TFrameUninstall;
begin
Result := TFrameUninstall.Create(Client);
Installer.PackageInstaller.Translate(Result);
Result.FInstaller := Installer;
Result.Parent := Client;
Result.Align := alClient;
Result.Init;
end;
procedure TFrameUninstall.EvProgress(Sender: TObject; const Text: string;
Position, Max: Integer);
begin
ProgressBar.Max := Max;
ProgressBar.Position := Position;
LblTarget.Caption := Text;
Application.ProcessMessages;
end;
procedure TFrameUninstall.EvDeleteFiles(TargetConfig: TTargetConfig);
var
List: TStrings;
i, Percentage: Integer;
Count: Integer;
begin
List := TStringList.Create;
try
// find files to delete
FindFiles(TargetConfig.UnitOutDir, '*.*', True, List, // do not localize
['.dcu', '.obj', '.xfm', '.dfm']); // do not localize
FindFiles(TargetConfig.BplDir, 'Jv*.*', True, List, // do not localize
['.bpl', '.dcp', '.tds', '.map']); // do not localize
// if TargetConfig.Target.IsBCB then
FindFiles(TargetConfig.DcpDir, 'Jv*.*', True, List, // do not localize
['.bpl', '.dcp', '.tds', '.lib', '.bpi', '.map']); // do not localize
ProgressBarDelete.Max := 100;
ProgressBarDelete.Position := 0;
Application.ProcessMessages;
Count := List.Count;
for i := 0 to Count - 1 do
begin
LblFilename.Caption := Format(RsDeletingFile, [ExtractFileName(List[i])]);
LblFilename.Update;
DeleteFile(List[i]);
Percentage := i * 100 div Count;
if Percentage <> ProgressBarDelete.Position then
begin
ProgressBarDelete.Position := Percentage;
Application.ProcessMessages;
end;
end;
LblFilename.Caption := '';
ProgressBarDelete.Position := 0;
finally
List.Free;
end;
end;
procedure TFrameUninstall.Init;
begin
FInitializing := True;
try
LblTarget.Caption := '';
ProgressBar.Max := 100;
ProgressBar.Position := 0;
LblFilename.Caption := '';
ProgressBarDelete.Max := 100;
ProgressBarDelete.Position := 0;
ProgressBarDelete.Visible := Installer.Data.DeleteFilesOnUninstall;
finally
FInitializing := False;
end;
end;
procedure TFrameUninstall.Execute;
var
i: Integer;
begin
Init;
for i := 0 to Installer.SelTargetCount - 1 do
if Installer.SelTargets[i].InstallJVCL then
begin
if Installer.Data.DeleteFilesOnUninstall then
Installer.SelTargets[i].DeinstallJVCL(EvProgress, EvDeleteFiles)
else
Installer.SelTargets[i].DeinstallJVCL(EvProgress, nil);
end;
end;
end.