Method pasteSelection

src/core/Track.cpp:1417–1500

! \brief Pastes a selection of TCOs onto the track * * \param tcoPos the position of the TCO slot being pasted on * \param de the DropEvent generated */

 * \param de the DropEvent generated
 */
bool TrackContentWidget::pasteSelection( MidiTime tcoPos, QDropEvent * de )
{
	if( canPasteSelection( tcoPos, de ) == false )
	{
		return false;
	}

	QString type = StringPairDrag::decodeKey( de );
	QString value = StringPairDrag::decodeValue( de );

	getTrack()->addJournalCheckPoint();

	// value contains XML needed to reconstruct TCOs and place them
	DataFile dataFile( value.toUtf8() );

	// Extract the tco data
	QDomElement tcoParent = dataFile.content().firstChildElement( "tcos" );
	QDomNodeList tcoNodes = tcoParent.childNodes();

	// Extract the track index that was originally clicked
	QDomElement metadata = dataFile.content().firstChildElement( "copyMetadata" );
	QDomAttr tiAttr = metadata.attributeNode( "initialTrackIndex" );
	int initialTrackIndex = tiAttr.value().toInt();
	QDomAttr tcoPosAttr = metadata.attributeNode( "grabbedTCOPos" );
	MidiTime grabbedTCOPos = tcoPosAttr.value().toInt();
	MidiTime grabbedTCOTact = MidiTime( grabbedTCOPos.getTact(), 0 );

	// Snap the mouse position to the beginning of the dropped tact, in ticks
	const TrackContainer::TrackList tracks = getTrack()->trackContainer()->tracks();
	const int currentTrackIndex = tracks.indexOf( getTrack() );

	bool allowRubberband = m_trackView->trackContainerView()->allowRubberband();

	// Unselect the old group
	if( allowRubberband == true )
	{
		const QVector<selectableObject *> so =
			m_trackView->trackContainerView()->selectedObjects();
		for( QVector<selectableObject *>::const_iterator it = so.begin();
		    	it != so.end(); ++it )
		{
			( *it )->setSelected( false );
		}
	}

	// TODO -- Need to draw the hovericon either way, or ghost the TCOs
	// onto their final position.

	for( int i = 0; i<tcoNodes.length(); i++ )
	{
		QDomElement outerTCOElement = tcoNodes.item( i ).toElement();
		QDomElement tcoElement = outerTCOElement.firstChildElement();

		int trackIndex = outerTCOElement.attributeNode( "trackIndex" ).value().toInt();
		int finalTrackIndex = trackIndex + ( currentTrackIndex - initialTrackIndex );
		Track * t = tracks.at( finalTrackIndex );

		// Compute the final position by moving the tco's pos by