/*
 * 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.duration;

import org.eclipse.swt.events.TypedEvent;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.actions.Action;
import org.herac.tuxguitar.gui.editors.tab.Caret;
import org.herac.tuxguitar.gui.undo.undoables.measure.UndoableMeasureGeneric;
import org.herac.tuxguitar.song.models.TGBeat;
import org.herac.tuxguitar.song.models.TGDuration;
import org.herac.tuxguitar.song.models.TGVoice;

/**
 * @author julian
 * 
 *         TODO To change the template for this generated type comment go to
 *         Window - Preferences - Java - Code Style - Code Templates
 */
public class SetThirtySecondDurationAction extends Action {
  public static final String NAME = "action.note.duration.set-thirty-second";
  public static final int VALUE = TGDuration.THIRTY_SECOND;

  public SetThirtySecondDurationAction() {
    super(NAME, AUTO_LOCK | AUTO_UNLOCK | AUTO_UPDATE | DISABLE_ON_PLAYING
        | KEY_BINDING_AVAILABLE);
  }

  @Override
  protected int execute(TypedEvent e) {
    Caret caret = getEditor().getTablature().getCaret();
    TGBeat beat = caret.getSelectedBeat();
    if (beat != null) {
      TGVoice voice = beat.getVoice(caret.getVoice());
      TGDuration duration = getSelectedDuration();
      if (duration.getValue() != VALUE
          || (!voice.isEmpty() && voice.getDuration().getValue() != VALUE)) {
        // comienza el undoable
        UndoableMeasureGeneric undoable = UndoableMeasureGeneric.startUndo();

        getSelectedDuration().setValue(VALUE);
        getSelectedDuration().setDotted(false);
        getSelectedDuration().setDoubleDotted(false);
        setDurations();

        // termia el undoable
        addUndoableEdit(undoable.endUndo());
      }
    }
    return 0;
  }

  public TGDuration getSelectedDuration() {
    return getEditor().getTablature().getCaret().getDuration();
  }

  private void setDurations() {
    Caret caret = getEditor().getTablature().getCaret();
    caret.changeDuration(getSelectedDuration().clone());
    TuxGuitar.instance().getFileHistory().setUnsavedFile();
    fireUpdate(getEditor().getTablature().getCaret().getMeasure().getNumber());
  }
}