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k3b/libk3b/projects/datacd/k3bdatapreparationjob.cpp

284 lines
7.1 KiB

/*
*
* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bdatapreparationjob.h"
#include "k3bdatadoc.h"
#include "k3bisooptions.h"
#include <k3bthreadjob.h>
#include <k3bthread.h>
#include <k3bdiritem.h>
#include <k3bfileitem.h>
#include <k3bglobals.h>
#include <klocale.h>
#include <kstringhandler.h>
#include <tqfile.h>
#include <tqvaluelist.h>
class K3bDataPreparationJob::Private : public K3bThread
{
public:
Private( K3bDataDoc* doc );
void run();
void cancel();
K3bDataDoc* doc;
TQValueList<K3bDataItem*> nonExistingItems;
TQString listOfRenamedItems;
TQValueList<K3bDataItem*> folderSymLinkItems;
K3bThreadJob* threadJob;
bool canceled;
};
K3bDataPreparationJob::Private::Private( K3bDataDoc* _doc )
: doc(_doc)
{
}
void K3bDataPreparationJob::Private::run()
{
emitStarted();
// clean up
nonExistingItems.clear();
listOfRenamedItems.truncate(0);
folderSymLinkItems.clear();
// initialize filenames in the project
doc->prepareFilenames();
// create the message string for the renamed files
if( doc->needToCutFilenames() ) {
int maxlines = 10;
TQValueList<K3bDataItem*>::const_iterator it;
for( it = doc->needToCutFilenameItems().begin();
maxlines > 0 && it != doc->needToCutFilenameItems().end();
++it, --maxlines ) {
K3bDataItem* item = *it;
listOfRenamedItems += i18n("<em>%1</em> renamed to <em>%2</em>")
.tqarg( KStringHandler::csqueeze( item->k3bName(), 30 ) )
.tqarg( KStringHandler::csqueeze( item->writtenName(), 30 ) );
listOfRenamedItems += "<br>";
}
if( it != doc->needToCutFilenameItems().end() )
listOfRenamedItems += "...";
}
//
// Check for missing files and folder symlinks
//
K3bDataItem* item = doc->root();
while( (item = item->nextSibling()) ) {
if( item->isSymLink() ) {
if( doc->isoOptions().followSymbolicLinks() ) {
TQFileInfo f( K3b::resolveLink( item->localPath() ) );
if( !f.exists() ) {
nonExistingItems.append( item );
}
else if( f.isDir() ) {
folderSymLinkItems.append( item );
}
}
}
else if( item->isFile() && !TQFile::exists( item->localPath() ) ) {
nonExistingItems.append( item );
}
if( canceled ) {
emitCanceled();
emitFinished(false);
return;
}
}
emitFinished( true );
}
void K3bDataPreparationJob::Private::cancel()
{
canceled = true;
}
static TQString createItemsString( const TQValueList<K3bDataItem*>& items, unsigned int max )
{
TQString s;
unsigned int cnt = 0;
for( TQValueList<K3bDataItem*>::const_iterator it = items.begin();
it != items.end(); ++it ) {
s += KStringHandler::csqueeze( (*it)->localPath(), 60 );
++cnt;
if( cnt >= max || it == items.end() )
break;
s += "<br>";
}
if( items.count() > max )
s += "...";
return s;
}
K3bDataPreparationJob::K3bDataPreparationJob( K3bDataDoc* doc, K3bJobHandler* hdl, TQObject* parent )
: K3bJob( hdl, parent )
{
d = new Private( doc );
d->threadJob = new K3bThreadJob( d, this, this );
connectSubJob( d->threadJob, TQT_SLOT(slotWorkDone(bool)), K3bJob::DEFAULT_SIGNAL_CONNECTION );
}
K3bDataPreparationJob::~K3bDataPreparationJob()
{
delete d;
}
void K3bDataPreparationJob::start()
{
if( !active() ) {
d->canceled = false;
jobStarted();
d->threadJob->start();
}
}
void K3bDataPreparationJob::slotWorkDone( bool success )
{
if( success ) {
if( !d->listOfRenamedItems.isEmpty() ) {
if( !questionYesNo( "<p>" + i18n("Some filenames need to be shortened due to the %1 char restriction "
"of the Joliet extensions. If the Joliet extensions are disabled filenames "
"do not have to be shortened but long filenames will not be available on "
"Windows systems.")
.tqarg( d->doc->isoOptions().jolietLong() ? 103 : 64 )
+ "<p>" + d->listOfRenamedItems,
i18n("Warning"),
i18n("Shorten Filenames"),
i18n("Disable Joliet extensions") ) ) {
// No -> disable joliet
// for now we enable RockRidge to be sure we did not lie above (keep long filenames)
K3bIsoOptions op = d->doc->isoOptions();
op.setCreateJoliet( false );
op.setCreateRockRidge( true );
d->doc->setIsoOptions( op );
d->doc->prepareFilenames();
}
}
//
// The joliet extension encodes the volume desc in UCS-2, i.e. uses 16 bit for each char.
// Thus, the max length here is 16.
//
if( d->doc->isoOptions().createJoliet() &&
d->doc->isoOptions().volumeID().length() > 16 ) {
if( !questionYesNo( "<p>" + i18n("The Joliet extensions (which are needed for long filenames on Windows systems) "
"restrict the length of the volume descriptior (the name of the filesystem) "
"to %1 characters. The selected descriptor '%2' is longer than that. Do you "
"want it to be cut or do you want to go back and change it manually?")
.tqarg( 16 ).tqarg( d->doc->isoOptions().volumeID() ),
i18n("Warning"),
i18n("Cut volume descriptor in the Joliet tree"),
i18n("Cancel and go back") ) ) {
d->canceled = true;
emit canceled();
jobFinished( false );
return;
}
}
//
// Check for missing files
//
if( !d->nonExistingItems.isEmpty() ) {
if( questionYesNo( "<p>" + i18n("The following files could not be found. Do you want to remove them from the "
"project and continue without adding them to the image?") +
"<p>" + createItemsString( d->nonExistingItems, 10 ),
i18n("Warning"),
i18n("Remove missing files and continue"),
i18n("Cancel and go back") ) ) {
for( TQValueList<K3bDataItem*>::const_iterator it = d->nonExistingItems.begin();
it != d->nonExistingItems.end(); ++it ) {
delete *it;
}
}
else {
d->canceled = true;
emit canceled();
jobFinished(false);
return;
}
}
//
// Warn about symlinks to folders
//
if( d->doc->isoOptions().followSymbolicLinks() && !d->folderSymLinkItems.isEmpty() ) {
if( !questionYesNo( "<p>" + i18n("K3b is not able to follow symbolic links to folders after they have been added "
"to the project. Do you want to continue "
"without writing the symbolic links to the image?") +
"<p>" + createItemsString( d->folderSymLinkItems, 10 ),
i18n("Warning"),
i18n("Discard symbolic links to folders"),
i18n("Cancel and go back") ) ) {
d->canceled = true;
emit canceled();
jobFinished(false);
return;
}
}
jobFinished( true );
}
else {
if( d->canceled )
emit canceled();
jobFinished(false);
}
}
void K3bDataPreparationJob::cancel()
{
d->cancel();
}
bool K3bDataPreparationJob::hasBeenCanceled() const
{
return d->canceled;
}
#include "k3bdatapreparationjob.moc"