/*******************************************************************************
 * Copyright (c) 2010-2015 Henshin developers. All rights reserved. 
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     TU Berlin, University of Luxembourg, SES S.A.
 *******************************************************************************/
package de.tub.tfs.henshin.tggeditor.editparts.tree.critical;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.henshin.model.HenshinPackage;
import org.eclipse.gef.EditPolicy;
import org.eclipse.swt.graphics.Image;

import de.tub.tfs.henshin.tgg.CritPair;
import de.tub.tfs.henshin.tgg.TggPackage;
import de.tub.tfs.henshin.tggeditor.editpolicies.graphical.CriticalPairEditPolicy;
import de.tub.tfs.henshin.tggeditor.util.IconUtil;
import de.tub.tfs.muvitor.gef.editparts.AdapterTreeEditPart;

public class CritPairTreeEditPart extends AdapterTreeEditPart<CritPair> {

	public CritPairTreeEditPart(CritPair model) {
		super(model);
		registerAdapter(model);
	}
	
	@Override
	protected String getText() {
		return getCastedModel().getName();
	}
	
	@Override
	protected List<EObject> getModelChildren() {
		
		List<EObject> list = new ArrayList<EObject>();
		if (getCastedModel().getOverlapping() != null){
			list.add(getCastedModel().getOverlapping());
		} else {
			return list;
			
		}
		if (getCastedModel().getRule1() != null)
		list.add(getCastedModel().getRule1());
		if (getCastedModel().getRule2() != null)
		list.add(getCastedModel().getRule2());
		return list;
	}
	
	@Override
	protected void notifyChanged(Notification notification) {
		if (!this.isActive())
			return;
		final int featureId = notification.getFeatureID(HenshinPackage.class);
		switch (featureId) {
			case TggPackage.TGG__CRIT_PAIRS:
			case TggPackage.CRIT_PAIR:
				refreshVisuals();
			case TggPackage.CRIT_PAIR__OVERLAPPING:
			case TggPackage.CRIT_PAIR__RULE1:
			case TggPackage.CRIT_PAIR__RULE2:
				refreshChildren();
			default:
				break;
		}
		refreshVisuals();
		super.notifyChanged(notification);
	}
	
	public int getDirectEditFeatureID() {
		return TggPackage.CRIT_PAIR;
	}
	
	@Override
	protected void createEditPolicies() {
		installEditPolicy(EditPolicy.COMPONENT_ROLE, new CriticalPairEditPolicy());
	}
	
	public void openCritPairView(CritPair crit) {
		this.performOpen();
	}
	
	@Override
	protected Image getImage() {
		try {
			return IconUtil.getIcon("critpair.png");
		} catch (Exception e) {
			return null;
		}
	}

	@Override
	protected void performOpen() {
		super.performOpen();
	}
}