/*******************************************************************************
* Copyright (c) 2004, 2009 Tasktop Technologies and others.
* 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:
* Tasktop Technologies - initial API and implementation
* Obeo - adaptation for Amalgamation, EMF based and no Mylyn dependency
* CEA LIST - adaptation to Papyrus
*******************************************************************************/
package org.eclipse.papyrus.infra.discovery.ui.internal.common;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.papyrus.infra.discovery.ui.Activator;
import org.eclipse.swt.graphics.Image;
/**
* @author Mik Kersten
* @since 3.0
*/
public class CommonImages {
private static final URL baseURL = Activator.getDefault().getBundle().getEntry("/icons/full/"); //$NON-NLS-1$
private static ImageRegistry imageRegistry;
private static final String T_TOOL = "etool16"; //$NON-NLS-1$
private static final String T_WIZBAN = "wizban"; //$NON-NLS-1$
// Discovery
public static final ImageDescriptor BANNER_DISCOVERY = create(T_WIZBAN, "banner-discovery-papyrus.png"); //$NON-NLS-1$
public static final ImageDescriptor FIND_CLEAR = create(T_TOOL, "find-clear.gif"); //$NON-NLS-1$
public static final ImageDescriptor FIND_CLEAR_DISABLED = create(T_TOOL, "find-clear-disabled.gif"); //$NON-NLS-1$
private static ImageDescriptor create(String prefix, String name) {
try {
return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name));
} catch (MalformedURLException e) {
return ImageDescriptor.getMissingImageDescriptor();
}
}
/**
* Lazily initializes image map.
*
* @param imageDescriptor
* @return Image
*/
public static Image getImage(ImageDescriptor imageDescriptor) {
ImageRegistry imageRegistry = getImageRegistry();
Image image = imageRegistry.get("" + imageDescriptor.hashCode()); //$NON-NLS-1$
if (image == null) {
image = imageDescriptor.createImage(true);
imageRegistry.put("" + imageDescriptor.hashCode(), image); //$NON-NLS-1$
}
return image;
}
private static ImageRegistry getImageRegistry() {
if (imageRegistry == null) {
imageRegistry = new ImageRegistry();
}
return imageRegistry;
}
private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException {
if (baseURL == null) {
throw new MalformedURLException();
}
StringBuffer buffer = new StringBuffer(prefix);
buffer.append('/');
buffer.append(name);
return new URL(baseURL, buffer.toString());
}
}