systemtap/org.eclipse.linuxtools.systemtap.graphing.ui/src/org/eclipse/linuxtools/internal/systemtap/graphing/ui/GraphingUIPlugin.java

/*******************************************************************************
 * Copyright (c) 2006, 2019 IBM Corporation and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
 *******************************************************************************/

package org.eclipse.linuxtools.internal.systemtap.graphing.ui;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ResourceLocator;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The main plugin class to be used in the desktop.
 */
public class GraphingUIPlugin extends AbstractUIPlugin {

    public static final String PLUGIN_ID = "org.eclipse.linuxtools.systemtap.graphing.ui"; //$NON-NLS-1$
    //The shared instance.
    private static GraphingUIPlugin plugin;

    /**
     * The constructor.
     */
    public GraphingUIPlugin() {
        plugin = this;
    }

    /**
     * This method is called when the plug-in is stopped
     */
    @Override
    public void stop(BundleContext context) throws Exception {
        super.stop(context);
        plugin = null;
    }

    /**
     * @return the shared {@link GraphingUIPlugin} instance.
     */
    public static GraphingUIPlugin getDefault() {
        return plugin;
    }

    /**
     * Returns an image descriptor for the image file at the given
     * plug-in relative path.
     *
     * @param path the path
     * @return the image descriptor
     */
    public static ImageDescriptor getImageDescriptor(String path) {
		return ResourceLocator.imageDescriptorFromBundle(PLUGIN_ID, path).get();
    }
}