com.aptana.ide.editor.js.JSPlugin.java Source code

Introduction

Here is the source code for com.aptana.ide.editor.js.JSPlugin.java

Source

/**
 * This file Copyright (c) 2005-2008 Aptana, Inc. This program is
 * dual-licensed under both the Aptana Public License and the GNU General
 * Public license. You may elect to use one or the other of these licenses.
 * 
 * This program is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT. Redistribution, except as permitted by whichever of
 * the GPL or APL you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or modify this
 * program under the terms of the GNU General Public License,
 * Version 3, as published by the Free Software Foundation.  You should
 * have received a copy of the GNU General Public License, Version 3 along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Aptana provides a special exception to allow redistribution of this file
 * with certain other free and open source software ("FOSS") code and certain additional terms
 * pursuant to Section 7 of the GPL. You may view the exception and these
 * terms on the web at http://www.aptana.com/legal/gpl/.
 * 
 * 2. For the Aptana Public License (APL), this program and the
 * accompanying materials are made available under the terms of the APL
 * v1.0 which accompanies this distribution, and is available at
 * http://www.aptana.com/legal/apl/.
 * 
 * You may view the GPL, Aptana's exception and additional terms, and the
 * APL in the file titled license.html at the root of the corresponding
 * plugin containing this source file.
 * 
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.ide.editor.js;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

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

    private static Map<String, Image> images = new HashMap<String, Image>();
    private static JSPlugin plugin;

    /**
     * The ID for this plug-in
     */
    public static String ID = "com.aptana.ide.editor.js"; //$NON-NLS-1$

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

    /**
     * This method is called upon plug-in activation
     * @param context 
     * @throws Exception 
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
    }

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

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

    /**
     * getImage
     * 
     * @param path
     * @return Image
     */
    public static Image getImage(String path) {
        if (images.get(path) == null) {
            ImageDescriptor id = getImageDescriptor(path);

            if (id == null) {
                return null;
            }

            Image i = id.createImage();

            images.put(path, i);

            return i;
        } else {
            return images.get(path);
        }
    }

    /**
     * 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 AbstractUIPlugin.imageDescriptorFromPlugin("com.aptana.ide.editor.js", path); //$NON-NLS-1$
    }
}