com.aptana.ui.epl.UIEplPlugin.java Source code

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Here is the source code for com.aptana.ui.epl.UIEplPlugin.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the Eclipse Public License (EPL).
 * Please see the license-epl.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.ui.epl;

import java.net.URL;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

public class UIEplPlugin extends AbstractUIPlugin {

    // The plug-in ID
    public static final String PLUGIN_ID = "com.aptana.ui.epl"; //$NON-NLS-1$

    public static final boolean DEBUG = Boolean.valueOf(Platform.getDebugOption("com.aptana.ui.epl/debug")) //$NON-NLS-1$
            .booleanValue();

    // The shared instance
    private static UIEplPlugin plugin;

    public final static String ICON_PATH = "$nl$/icons/"; //$NON-NLS-1$
    public final static String IMG_TOOL_CLOSE = "close.gif"; //$NON-NLS-1$
    public final static String IMG_TOOL_CLOSE_HOT = "close_hot.gif"; //$NON-NLS-1$

    /**
     * The constructor
     */
    public UIEplPlugin() {
    }

    /**
     * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
    }

    /**
     * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }

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

    public static Image getImage(String string) {
        if (getDefault().getImageRegistry().get(string) == null) {
            ImageDescriptor id = imageDescriptorFromPlugin(PLUGIN_ID, string);
            if (id != null) {
                getDefault().getImageRegistry().put(string, id);
            }
        }
        return getDefault().getImageRegistry().get(string);
    }

    protected void initializeImageRegistry(ImageRegistry reg) {
        createImageDescriptor(IMG_TOOL_CLOSE, reg);
        createImageDescriptor(IMG_TOOL_CLOSE_HOT, reg);

    }

    /**
     * Creates the specified image descriptor and registers it
     */
    private void createImageDescriptor(String id, ImageRegistry reg) {
        URL url = FileLocator.find(getBundle(), new Path(ICON_PATH).append(id), null);
        ImageDescriptor desc = ImageDescriptor.createFromURL(url);
        reg.put(id, desc);
    }

}