/*******************************************************************************
 * 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.editor.editparts.epackage;

import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.impl.EPackageImpl;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.swt.graphics.Image;

import de.tub.tfs.henshin.editor.actions.IHandlerTarget;
import de.tub.tfs.henshin.editor.util.IconUtil;
import de.tub.tfs.muvitor.gef.editparts.AdapterTreeEditPart;

/**
 * The Class EPackageTreeEditpart.
 * 
 * @author nam
 */
public class EPackageTreeEditpart extends AdapterTreeEditPart<EPackage>
		implements IHandlerTarget {

	/**
	 * Instantiates a new e package tree editpart.
	 * 
	 * @param model
	 *            the model
	 */
	public EPackageTreeEditpart(EPackage model) {
		super(model);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see muvitorkit.gef.editparts.AdapterTreeEditPart#getText()
	 */
	@Override
	protected String getText() {
		if (getCastedModel().getName() == null) {
			return "Package not found: "
					+ ((EPackageImpl) getCastedModel()).eProxyURI();
		}

		return getCastedModel().getName();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.editparts.AbstractTreeEditPart#getImage()
	 */
	@Override
	protected Image getImage() {
		try {
			return IconUtil.getIcon("epackage16.png");
		} catch (Exception e) {
			return null;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see muvitorkit.gef.editparts.AdapterTreeEditPart#performOpen()
	 */
	@Override
	protected void performOpen() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.gef.editparts.AbstractEditPart#understandsRequest(org.eclipse
	 * .gef.Request)
	 */
	@Override
	public boolean understandsRequest(Request req) {
		if (req.getType().equals(REQ_DIRECT_EDIT))
			return false;

		return super.understandsRequest(req);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.editparts.AbstractTreeEditPart#createEditPolicies()
	 */
	@Override
	protected void createEditPolicies() {
		installEditPolicy(EditPolicy.COMPONENT_ROLE,
				new EPackageComponentEditPolicy());
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see de.tub.tfs.henshin.editor.actions.IHandlerTarget#getTargetModel()
	 */
	@Override
	public Class<?> getTargetModel() {
		return EPackage.class;
	}
}