void
OrganizeCollectionDialog::slotUpdatePreview()
{
DEBUG_BLOCK;
QString formatString = buildFormatString();
m_trackOrganizer->setAsciiOnly( m_optionsWidget->asciiOnly() );
m_trackOrganizer->setFolderPrefix( ui->folderCombo->currentText() );
m_trackOrganizer->setFormatString( formatString );
m_trackOrganizer->setTargetFileExtension( m_targetFileExtension );
m_trackOrganizer->setPostfixThe( m_optionsWidget->postfixThe() );
m_trackOrganizer->setReplaceSpaces( m_optionsWidget->replaceSpaces() );
m_trackOrganizer->setReplace( m_optionsWidget->regexpText(),
m_optionsWidget->replaceText() );
m_trackOrganizer->setVfatSafe( m_optionsWidget->vfatCompatible() );
//empty the table, not only it's contents
ui->previewTableWidget->setRowCount( 0 );
m_trackOrganizer->resetTrackOffset();
m_conflict = false;
setCursor( Qt::BusyCursor );
previewNextBatch();
}
void
OrganizeCollectionDialog::previewNextBatch() //private slot
{
const int batchSize = 10;
QMap<Meta::TrackPtr, QString> dests = m_trackOrganizer->getDestinations( batchSize );
QMapIterator<Meta::TrackPtr, QString> it( dests );
while( it.hasNext() )
{
it.next();
Meta::TrackPtr track = it.key();
QString originalPath = track->prettyUrl();
QString newPath = it.value();
int newRow = ui->previewTableWidget->rowCount();
ui->previewTableWidget->insertRow( newRow );
//new path preview in the 1st column
QPalette p = ui->previewTableWidget->palette();
QTableWidgetItem *item = new QTableWidgetItem( newPath );
KColorScheme::adjustBackground( p, KColorScheme::NegativeBackground );
if( QFileInfo( newPath ).exists() )
{
item->setBackgroundColor( p.color( QPalette::Base ) );
m_conflict = true;
}
ui->previewTableWidget->setItem( newRow, 0, item );
//original in the second column
item = new QTableWidgetItem( originalPath );
ui->previewTableWidget->setItem( newRow, 1, item );
}
if( m_conflict )
{
if( ui->overwriteCheck->isChecked() )
ui->conflictLabel->setText( i18n( "There is a filename conflict, existing files will be overwritten." ) );
else
ui->conflictLabel->setText( i18n( "There is a filename conflict, existing files will not be changed." ) );
}
else
ui->conflictLabel->setText(""); // we clear the text instead of hiding it to retain the layout spacing
//non-blocking way of updating the preview table.
if( dests.count() == batchSize )
QTimer::singleShot( 10, this, SLOT(previewNextBatch()) );
else
unsetCursor(); // finished
}
void
OrganizeCollectionDialog::previewNextBatch()
{
const int batchSize = 100;
QPalette negativePalette = ui->previewTableWidget->palette();
KColorScheme::adjustBackground( negativePalette, KColorScheme::NegativeBackground );
int processed = 0;
while( !m_originals.isEmpty() && !m_previews.isEmpty() )
{
QString originalPath = m_originals.takeFirst();
QString newPath = m_previews.takeFirst();
int newRow = ui->previewTableWidget->rowCount();
ui->previewTableWidget->insertRow( newRow );
// new path preview in the 1st column
QTableWidgetItem *item = new QTableWidgetItem( newPath );
if( QFileInfo( m_previewPrefix + newPath ).exists() )
{
item->setBackgroundColor( negativePalette.color( QPalette::Base ) );
m_conflict = true;
}
ui->previewTableWidget->setItem( newRow, 0, item );
//original in the second column
item = new QTableWidgetItem( originalPath );
ui->previewTableWidget->setItem( newRow, 1, item );
processed++;
if( processed >= batchSize )
{
// yield some room to the other events in the main loop
QTimer::singleShot( 0, this, SLOT(previewNextBatch()) );
return;
}
}
// finished
unsetCursor();
ui->previewTableWidget->setSortingEnabled( true );
slotOverwriteModeChanged(); // in fact, m_conflict may have changed
}
void
OrganizeCollectionDialog::processPreviewPaths()
{
QStringList originals;
QStringList previews;
QStringList commonOriginalPrefix; // common initial directories
QStringList commonPreviewPrefix; // common initial directories
QMap<Meta::TrackPtr, QString> destinations = m_trackOrganizer->getDestinations();
for( auto it = destinations.constBegin(); it != destinations.constEnd(); ++it )
{
originals << it.key()->prettyUrl();
previews << it.value();
QStringList originalPrefix = originals.last().split( '/' );
originalPrefix.removeLast(); // we never include file name in the common prefix
QStringList previewPrefix = previews.last().split( '/' );
previewPrefix.removeLast();
if( it == destinations.constBegin() )
{
commonOriginalPrefix = originalPrefix;
commonPreviewPrefix = previewPrefix;
} else {
int commonLength = 0;
while( commonOriginalPrefix.size() > commonLength &&
originalPrefix.size() > commonLength &&
commonOriginalPrefix[ commonLength ] == originalPrefix[ commonLength ] )
{
commonLength++;
}
commonOriginalPrefix = commonOriginalPrefix.mid( 0, commonLength );
commonLength = 0;
while( commonPreviewPrefix.size() > commonLength &&
previewPrefix.size() > commonLength &&
commonPreviewPrefix[ commonLength ] == previewPrefix[ commonLength ] )
{
commonLength++;
}
commonPreviewPrefix = commonPreviewPrefix.mid( 0, commonLength );
}
}
QString originalPrefix = commonOriginalPrefix.isEmpty() ? QString() : commonOriginalPrefix.join( "/" ) + '/';
m_previewPrefix = commonPreviewPrefix.isEmpty() ? QString() : commonPreviewPrefix.join( "/" ) + '/';
ui->previewTableWidget->horizontalHeaderItem( 1 )->setText( i18n( "Original: %1", originalPrefix ) );
ui->previewTableWidget->horizontalHeaderItem( 0 )->setText( i18n( "Preview: %1", m_previewPrefix ) );
m_originals.clear();
m_originals.reserve( originals.size() );
m_previews.clear();
m_previews.reserve( previews.size() );
for( int i = 0; i < qMin( originals.size(), previews.size() ); i++ )
{
m_originals << originals.at( i ).mid( originalPrefix.length() );
m_previews << previews.at( i ).mid( m_previewPrefix.length() );
}
QTimer::singleShot( 0, this, SLOT(previewNextBatch()) );
}