TGTransport.java

/*
 * Created on 20-mar-2006
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package org.herac.tuxguitar.gui.transport;

import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.util.MidiTickUtil;
import org.herac.tuxguitar.player.base.MidiPlayer;
import org.herac.tuxguitar.song.managers.TGSongManager;
import org.herac.tuxguitar.song.models.TGMeasure;
import org.herac.tuxguitar.song.models.TGMeasureHeader;

/**
 * @author julian
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class TGTransport{
	
	public TGTransport() {
		super();
	}
	
	protected TGSongManager getSongManager(){
		return TuxGuitar.instance().getSongManager();
	}
	
	public void gotoFirst(){
		gotoMeasure(getSongManager().getFirstMeasureHeader(),true);
	}
	
	public void gotoLast(){
		gotoMeasure(getSongManager().getLastMeasureHeader(),true) ;
	}
	
	public void gotoNext(){
		MidiPlayer player = TuxGuitar.instance().getPlayer();
		TGMeasureHeader header = getSongManager().getMeasureHeaderAt(MidiTickUtil.getStart(player.getTickPosition()));
		if(header != null){
			gotoMeasure(getSongManager().getNextMeasureHeader(header),true);
		}
	}
	
	public void gotoPrevious(){
		MidiPlayer player = TuxGuitar.instance().getPlayer();
		TGMeasureHeader header = getSongManager().getMeasureHeaderAt(MidiTickUtil.getStart(player.getTickPosition()));
		if(header != null){
			gotoMeasure(getSongManager().getPrevMeasureHeader(header),true);
		}
	}
	
	public void gotoMeasure(TGMeasureHeader header){
		gotoMeasure(header,false);
	}
	
	public void gotoMeasure(TGMeasureHeader header,boolean moveCaret){
		if(header != null){
			TGMeasure playingMeasure = null;
			if( TuxGuitar.instance().getPlayer().isRunning() ){
				TuxGuitar.instance().getEditorCache().updatePlayMode();
				playingMeasure = TuxGuitar.instance().getEditorCache().getPlayMeasure();
			}
			if( playingMeasure == null || playingMeasure.getHeader().getNumber() != header.getNumber() ){
				TuxGuitar.instance().getPlayer().setTickPosition(MidiTickUtil.getTick(header.getStart()));
				if(moveCaret){
					TuxGuitar.instance().getTablatureEditor().getTablature().getCaret().goToTickPosition();
					TuxGuitar.instance().updateCache(true);
				}
			}
		}
	}
}