~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.gui.undo.undoables;

 

import org.herac.tuxguitar.gui.TuxGuitar;

import org.herac.tuxguitar.gui.editors.tab.Caret;

import org.herac.tuxguitar.song.models.TGDuration;

import org.herac.tuxguitar.song.models.TGString;

 

public class UndoableCaretHelper {

        private long position;

        private int track;

        private int string;

        private int velocity;

        private TGDuration duration;

        

        public UndoableCaretHelper(){

                Caret caret = getCaret();

                this.track = caret.getTrack().getNumber();

                this.position = caret.getPosition();

                this.velocity = caret.getVelocity();

                this.duration = caret.getDuration().clone(TuxGuitar.instance().getSongManager().getFactory());

                this.string = 1;

                TGString instrumentString = caret.getSelectedString();

                if(instrumentString != null){

                        this.string = instrumentString.getNumber();

                }

        }

        

        public void update(){

                getCaret().update(this.track,this.position,this.string,this.velocity);

                getCaret().setSelectedDuration(this.duration.clone(TuxGuitar.instance().getSongManager().getFactory()));

        }

        

        private static Caret getCaret(){

                return TuxGuitar.instance().getTablatureEditor().getTablature().getCaret();

        }

        

}