/*******************************************************************************
 * Copyright (c) 2003, 2006 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.internal.presentations.r21;

import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The main plugin class to be used in the desktop.
 */
public class R21PresentationPlugin extends AbstractUIPlugin {
    //The shared instance.
    private static R21PresentationPlugin plugin;

    //Resource bundle.
    private ResourceBundle resourceBundle;

    /**
     * The constructor.
     */
    public R21PresentationPlugin() {
        super();
        plugin = this;
        try {
            resourceBundle = ResourceBundle
                    .getBundle("org.eclipse.ui.internal.r21presentation.R21lookPluginResources"); //$NON-NLS-1$
        } catch (MissingResourceException x) {
            resourceBundle = null;
        }
    }

    /**
     * Returns the shared instance.
     * @return the plug-in
     */
    public static R21PresentationPlugin getDefault() {
        return plugin;
    }

    /**
     * Returns the string from the plugin's resource bundle,
     * or 'key' if not found.
     * @param key 
     * @return the string
     */
    public static String getResourceString(String key) {
        ResourceBundle bundle = R21PresentationPlugin.getDefault()
                .getResourceBundle();
        try {
            return (bundle != null) ? bundle.getString(key) : key;
        } catch (MissingResourceException e) {
            return key;
        }
    }

    /**
     * Returns the plugin's resource bundle,
     * @return the resource bundle
     */
    public ResourceBundle getResourceBundle() {
        return resourceBundle;
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
        R21Colors.startup();
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext context) throws Exception {
        super.stop(context);
        R21Colors.shutdown();
    }
}