| /******************************************************************************* |
| * Copyright (c) 2010, 2011 Obeo. |
| * 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: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.mylyn.docs.intent.client.ui; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.mylyn.docs.intent.client.ui.internal.quickfix.provider.IntentQuickFixProviderRegistryListener; |
| import org.eclipse.mylyn.docs.intent.client.ui.internal.renderers.IEditorRendererExtensionRegistryListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.internal.util.BundleUtility; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * The activator class controls the plug-in life cycle. |
| * |
| * @author <a href="mailto:alex.lagarde@obeo.fr">Alex Lagarde</a> |
| */ |
| @SuppressWarnings("restriction") |
| public class IntentEditorActivator extends AbstractUIPlugin { |
| |
| /** |
| * The plugin ID. |
| */ |
| public static final String PLUGIN_ID = "org.eclipse.mylyn.docs.intent.client.ui"; //$NON-NLS-1$ |
| |
| /** |
| * The ReStrucured Models Editor ID. |
| */ |
| public static final String EDITOR_ID = "org.eclipse.mylyn.docs.intent.client.ui.IntentEditor"; |
| |
| /** |
| * The shared instance of the plugin. |
| */ |
| private static IntentEditorActivator plugin; |
| |
| /** |
| * The images and icons related to this plugin. |
| */ |
| private Map<String, Image> imageMap = new HashMap<String, Image>(); |
| |
| /** |
| * Registry listener to register when this plugin starts. |
| */ |
| private IEditorRendererExtensionRegistryListener editorRendererExtensionsListener = new IEditorRendererExtensionRegistryListener(); |
| |
| /** |
| * Registry listener to register when this plugin starts. |
| */ |
| private IntentQuickFixProviderRegistryListener intentFixRegistryListener = new IntentQuickFixProviderRegistryListener(); |
| |
| /** |
| * IntentEditorActivator constructor. |
| */ |
| public IntentEditorActivator() { |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| |
| // Initializing registry listener for all extension points |
| editorRendererExtensionsListener.init(); |
| intentFixRegistryListener.init(); |
| } |
| |
| /** |
| * Returns the image at the given plug-in relative path ; if this image hasn't been loaded yet, load this |
| * image and add it to the imageMap. |
| * |
| * @param path |
| * path of the image to load (plug-in relative path) |
| * @return the image corresponding to the given path |
| */ |
| public Image getImage(String path) { |
| Image result = imageMap.get(path); |
| if (result == null) { |
| ImageDescriptor descriptor = getImageDescriptor(path); |
| if (descriptor != null) { |
| result = descriptor.createImage(); |
| imageMap.put(path, result); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Returns an image descriptor for the image file at the given plug-in relative path. |
| * |
| * @param imagePath |
| * path of the image to load (plug-in relative path) |
| * @return the image descriptor of the image corresponding to the given path |
| */ |
| private ImageDescriptor getImageDescriptor(String imagePath) { |
| URL fullPathString = BundleUtility.find(getBundle(), imagePath); |
| if (fullPathString == null) { |
| try { |
| fullPathString = new URL(imagePath); |
| } catch (MalformedURLException e) { |
| return null; |
| } |
| } |
| return ImageDescriptor.createFromURL(fullPathString); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| plugin = null; |
| |
| // Disposing registry listener for all extension points |
| editorRendererExtensionsListener.dispose(); |
| intentFixRegistryListener.dispose(); |
| |
| super.stop(context); |
| Iterator<Image> imageIterator = imageMap.values().iterator(); |
| while (imageIterator.hasNext()) { |
| Image image = imageIterator.next(); |
| image.dispose(); |
| } |
| imageMap.clear(); |
| } |
| |
| /** |
| * Returns the shared instance of this activator. |
| * |
| * @return the shared instance of this activator |
| */ |
| public static IntentEditorActivator getDefault() { |
| return plugin; |
| } |
| |
| } |