/*
 * Copyright (C) 2007, 2009 Martin Kempf, Reto Kleeb, Michael Klenk
 *
 * IFS Institute for Software, HSR Rapperswil, Switzerland
 * http://ifs.hsr.ch/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.eclipse.refactoring;



import org.codehaus.groovy.eclipse.refactoring.core.rename.RefactoringSearchScopeExpander;
import org.codehaus.jdt.groovy.integration.internal.GroovyLanguageSupport;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.codehaus.groovy.eclipse.refactoring";

	// The shared instance
	private static Activator plugin;

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

	@Override
    public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
        // plug in our search expander for groovy code
        GroovyLanguageSupport.searchScopeExpander = new RefactoringSearchScopeExpander();
	}

	@Override
    public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 *
	 * @return the shared instance
	 */
	public static Activator 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 imageDescriptorFromPlugin(PLUGIN_ID, path);
	}

}