StartStateOutlineEditPart.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.gd.jpdl.part;

import java.beans.PropertyChangeEvent;
import java.util.ArrayList;
import java.util.List;

import org.jbpm.gd.jpdl.model.StartState;
import org.jbpm.gd.jpdl.model.Task;

public class StartStateOutlineEditPart extends NodeElementOutlineEditPart {
	
	public StartStateOutlineEditPart(StartState startState) {
		super(startState);
	}
	
	private StartState getStartState() {
		return (StartState)getModel();
	}
	
	protected List getModelChildren() {
		List result = new ArrayList();
		Task task = ((StartState)getModel()).getTask();
		if (task != null) {
			result.add(task);
		}
		result.addAll(super.getModelChildren());
		return result;
	}

	public void propertyChange(PropertyChangeEvent evt) {
		String eventName = evt.getPropertyName();
		if (eventName.equals("task")) {
			if (getStartState().getTask() == null && evt.getNewValue() != null) {
				handleChildAdd(evt.getNewValue());
			} else {
				refreshChildren();
			}
		} else {
			super.propertyChange(evt);
		}
	}
	
	protected void refreshVisuals() {
		super.refreshVisuals();
	}


}