~ubuntu-branches/ubuntu/karmic/tuxguitar/karmic

/*

 * Created on 17-dic-2005

 *

 * TODO To change the template for this generated file go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

package org.herac.tuxguitar.gui.actions.note;

 

import org.eclipse.swt.events.TypedEvent;

import org.herac.tuxguitar.gui.actions.Action;

import org.herac.tuxguitar.gui.editors.TablatureEditor;

import org.herac.tuxguitar.gui.undo.undoables.measure.UndoableMeasureGeneric;

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

 

/**

 * @author julian

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

public class ShiftNoteDownAction extends Action{

    public static final String NAME = "action.note.general.shift-down";

    

    public ShiftNoteDownAction(TablatureEditor tablatureEditor) {

        super(NAME,true,tablatureEditor);       

    }

 

    public boolean doAction(TypedEvent e) {

        Note note = getEditor().getTablature().getCaret().getSelectedNote();

        if(note != null){

                //comienza el undoable

                UndoableMeasureGeneric undoable = UndoableMeasureGeneric.startUndo();     

        

                int nextString = getSongManager().getMeasureManager().shiftNoteDown(getEditor().getTablature().getCaret().getMeasureCoords().getMeasure(),note.getStart(),note.getString());

                if(nextString > 0){

                        getEditor().getTablature().getCaret().setStringNumber(nextString);

                        

                        //termia el undoable

                        getEditor().getUndoManager().addEdit(undoable.endUndo());

                }

                updateTablature();        

        }

        return true;

    }

    

    protected void updateTablature() {

        fireUpdate(getEditor().getTablature().getCaret().getMeasureCoords().getMeasure().getNumber());

        redraw();

    }    

 

}