org.eclipse.papyrus.infra.widgets.toolbox.utils.ToolbooxImageUtils.java Source code

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Here is the source code for org.eclipse.papyrus.infra.widgets.toolbox.utils.ToolbooxImageUtils.java

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/*****************************************************************************
 * Copyright (c) 2010 ATOS ORIGIN.
 *    
 * 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.widgets.toolbox.utils;

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

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

/**
 * A class retrieving the icons used in papyrus toolbox
 * 
 * @author tfaure
 * 
 */
public class ToolbooxImageUtils {

    /**
     * Returns an image according to {@link ISharedImages}
     * 
     * @param id
     *        , the constant
     * @return
     */
    public static Image getImage(int id) {
        StringBuffer path = new StringBuffer("/icons/");
        switch (id) {
        case ISharedImages.IMG_RUN:
            path = path.append("run.gif");
            break;
        default:
            break;
        }
        String key = Activator.PLUGIN_ID + path;
        Image result = JFaceResources.getImageRegistry().get(key);
        if (result == null) {
            URL url = Activator.getDefault().getBundle().getEntry(path.toString());
            try {
                result = new Image(Display.getDefault(), url.openStream());
                JFaceResources.getImageRegistry().put(key, result);
            } catch (IOException e) {
            }
        }
        return result;
    }

    /**
     * Returns an image descriptor according to {@link ISharedImages}
     * 
     * @param id
     *        , the constant
     * @return
     */
    public static ImageDescriptor getImageDescriptor(final int id) {
        return new ImageDescriptor() {

            @Override
            public ImageData getImageData() {
                return getImage(id).getImageData();
            }
        };
    }
}