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(* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* 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/
*
* 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 Original Code is TurboPower Abbrevia
*
* The Initial Developer of the Original Code is
* TurboPower Software
*
* Portions created by the Initial Developer are Copyright (C) 1997-2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** *)
{*********************************************************}
{* ABBREVIA: AbCabExt.pas 3.05 *}
{*********************************************************}
{* ABBREVIA: Cabinet file extractor component *}
{*********************************************************}
unit AbCabExt;
{$I AbDefine.inc}
interface
uses
SysUtils, Classes,
AbCBrows,
AbArcTyp, AbUtils, AbCabTyp;
type
TAbCustomCabExtractor = class(TAbCustomCabBrowser)
protected {private}
FExtractOptions : TAbExtractOptions;
FOnConfirmOverwrite : TAbConfirmOverwriteEvent;
procedure DoConfirmOverwrite(var Name : string;
var Confirm : Boolean);
procedure InitArchive;
override;
procedure SetExtractOptions( Value : TAbExtractOptions );
protected {properties}
property ExtractOptions : TAbExtractOptions
read FExtractOptions
write SetExtractOptions
default AbDefExtractOptions;
property OnConfirmOverwrite : TAbConfirmOverwriteEvent
read FOnConfirmOverwrite
write FOnConfirmOverwrite;
public
constructor Create( AOwner : TComponent ); override;
destructor Destroy; override;
procedure ExtractAt(Index : Integer; const NewName : string);
procedure ExtractFiles(const FileMask : string);
procedure ExtractFilesEx(const FileMask, ExclusionMask : string);
procedure ExtractTaggedItems;
end;
TAbCabExtractor = class(TAbCustomCabExtractor)
published
property ArchiveProgressMeter;
property BaseDirectory;
property CabSize;
property CurrentCab;
property ExtractOptions;
property FolderCount;
property HasNext;
property HasPrev;
property ItemProgressMeter;
property OnArchiveProgress;
property OnArchiveItemProgress;
property OnChange;
property OnConfirmOverwrite;
property OnConfirmProcessItem;
property OnLoad;
property OnProcessItemFailure;
property OnRequestImage;
property SetID;
property TempDirectory;
property Version;
property FileName; {must be after OnLoad}
end;
{.Z+}
implementation
uses
AbExcept;
{ TAbCustomCabExtractor ==================================================== }
constructor TAbCustomCabExtractor.Create(AOwner : TComponent);
begin
inherited Create( AOwner );
ExtractOptions := AbDefExtractOptions;
end;
{ -------------------------------------------------------------------------- }
destructor TAbCustomCabExtractor.Destroy;
begin
inherited Destroy;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.DoConfirmOverwrite
(var Name : string;
var Confirm : Boolean);
begin
if Assigned(FOnConfirmOverwrite) then
FOnConfirmOverwrite(Name, Confirm);
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.ExtractAt(Index : Integer;
const NewName : string);
{extract a file from the archive that match the index}
begin
if Assigned( CabArchive ) then
CabArchive.ExtractAt( Index, NewName )
else
raise EAbNoArchive.Create;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.ExtractFiles(const FileMask : string);
{Extract files from the cabinet matching the filemask}
begin
if Assigned( CabArchive ) then
CabArchive.ExtractFiles( FileMask )
else
raise EAbNoArchive.Create;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.ExtractFilesEx(const FileMask, ExclusionMask : string);
{Extract files from the cabinet matching the FileMask, exluding those
matching ExclusionMask}
begin
if Assigned( CabArchive ) then
CabArchive.ExtractFilesEx( FileMask, ExclusionMask )
else
raise EAbNoArchive.Create;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.ExtractTaggedItems;
{Extract items in the archive that have been tagged}
begin
if Assigned( CabArchive ) then
CabArchive.ExtractTaggedItems
else
raise EAbNoArchive.Create;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.InitArchive;
{Archive now points to the Cab file, update all Archive's properties...}
begin
inherited InitArchive;
if Assigned( CabArchive ) then begin
{poperties}
CabArchive.ExtractOptions := FExtractOptions;
{events}
CabArchive.OnConfirmOverwrite := DoConfirmOverwrite;
end;
end;
{ -------------------------------------------------------------------------- }
procedure TAbCustomCabExtractor.SetExtractOptions( Value : TAbExtractOptions );
begin
FExtractOptions := Value;
if Assigned( FArchive ) then
FArchive.ExtractOptions := Value;
end;
{ -------------------------------------------------------------------------- }
end.
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