org.eclipse.mylyn.internal.context.ui.ContextUiImages.java Source code

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Here is the source code for org.eclipse.mylyn.internal.context.ui.ContextUiImages.java

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/*******************************************************************************
 * Copyright (c) 2004, 2010 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
 *******************************************************************************/

package org.eclipse.mylyn.internal.context.ui;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;

/**
 * @author Mik Kersten
 */
public class ContextUiImages {

    private static final String T_ELCL = "elcl16"; //$NON-NLS-1$

    private static final URL baseURL = ContextUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$

    public static final ImageDescriptor FILE_XML = create(T_ELCL, "file-xml.gif"); //$NON-NLS-1$

    public static final ImageDescriptor FILE_GENERIC = create(T_ELCL, "file_obj.gif"); //$NON-NLS-1$

    public static final ImageDescriptor FOLDER_GENERIC = create(T_ELCL, "fldr_obj.gif"); //$NON-NLS-1$

    public static final ImageDescriptor CONTEXT_FOCUS = create(T_ELCL, "focus.gif"); //$NON-NLS-1$

    private static ImageDescriptor create(String prefix, String name) {
        return create(prefix, name, baseURL);
    }

    private static ImageDescriptor create(String prefix, String name, URL baseURL) {
        try {
            return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name, baseURL));
        } catch (MalformedURLException e) {
            return ImageDescriptor.getMissingImageDescriptor();
        }
    }

    private static URL makeIconFileURL(String prefix, String name, URL baseURL) throws MalformedURLException {
        if (baseURL == null) {
            throw new MalformedURLException();
        }

        StringBuffer buffer = new StringBuffer(prefix);
        buffer.append('/');
        buffer.append(name);
        return new URL(baseURL, buffer.toString());
    }

}