/*****************************************************************************
 * Copyright (c) 2010 CEA LIST.
 *    
 * 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:
 *  Tristan Faure (ATOS ORIGIN INTEGRATION) tristan.faure@atosorigin.com - Initial API and implementation
 *****************************************************************************/
package org.eclipse.papyrus.infra.core.utils;

import java.io.IOException;
import java.net.URL;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.papyrus.infra.core.Activator;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;

/**
 * Services to access to Papyrus images
 * 
 * @author tristan faure
 * 
 */
public class PapyrusImageUtils {

	private static final String default_icon_32 = "/icons/papyrus/32x32/Papyrus_32x32_t.gif";

	private static final String default_icon = "/icons/papyrus/Papyrus.gif";

	/**
	 * get the default icon for Papyrus the image does not have to be disposed
	 * as it is registered in an ImageRegistry
	 * 
	 * @return the Image
	 */
	public static Image getDefaultIcon() {
		return getIcon(default_icon);
	}

	/**
	 * get the default icon 32x32 for Papyrus the image does not have to be
	 * disposed as it is registered in an ImageRegistry
	 * 
	 * @return the Image
	 */
	public static Image getDefaultIcon32() {
		return getIcon(default_icon_32);
	}

	private static Image getIcon(String path) {
		String key = Activator.PLUGIN_ID + path;
		Image result = JFaceResources.getImageRegistry().get(key);
		if(result == null) {
			URL url = Activator.getDefault().getBundle().getEntry(path);
			try {
				result = new Image(Display.getDefault(), url.openStream());
				JFaceResources.getImageRegistry().put(key, result);
			} catch (IOException e) {
			}
		}
		return result;
	}
}