| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui.views.contentoutline; |
| |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.eclipse.wst.common.contentmodel.modelquery.CMDocumentManager; |
| import org.eclipse.wst.common.contentmodel.modelquery.ModelQuery; |
| import org.eclipse.wst.sse.core.AbstractAdapterFactory; |
| import org.eclipse.wst.sse.core.AdapterFactory; |
| import org.eclipse.wst.sse.core.INodeAdapter; |
| import org.eclipse.wst.sse.core.INodeNotifier; |
| import org.eclipse.wst.sse.core.modelquery.ModelQueryAdapter; |
| import org.eclipse.wst.sse.ui.views.contentoutline.IJFaceNodeAdapter; |
| import org.eclipse.wst.sse.ui.views.contentoutline.IJFaceNodeAdapterFactory; |
| |
| |
| /** |
| * An adapter factory to create JFaceNodeAdapters. Use this adapter factory |
| * with a JFaceAdapterContentProvider to display DOM nodes in a tree. |
| */ |
| public class JFaceNodeAdapterFactory extends AbstractAdapterFactory implements IJFaceNodeAdapterFactory { |
| protected CMDocumentManager cmDocumentManager; |
| /** |
| * This keeps track of all the listeners. |
| */ |
| protected ArrayList fListeners = new ArrayList(); |
| |
| protected INodeAdapter singletonAdapter; |
| |
| public JFaceNodeAdapterFactory() { |
| this(IJFaceNodeAdapter.class, true); |
| } |
| |
| public JFaceNodeAdapterFactory(Object adapterKey, boolean registerAdapters) { |
| super(adapterKey, registerAdapters); |
| } |
| |
| public synchronized void addListener(Object listener) { |
| fListeners.add(listener); |
| } |
| |
| public AdapterFactory copy() { |
| |
| return new JFaceNodeAdapterFactory(this.adapterKey, this.shouldRegisterAdapter); |
| } |
| |
| /** |
| * Create a new JFace adapter for the DOM node passed in |
| */ |
| protected INodeAdapter createAdapter(INodeNotifier node) { |
| if (singletonAdapter == null) { |
| // create the JFaceNodeAdapter |
| singletonAdapter = new JFaceNodeAdapter(this); |
| initAdapter(singletonAdapter, node); |
| } |
| return singletonAdapter; |
| } |
| |
| /** |
| * returns "copy" so no one can modify our list. Its is a shallow copy. |
| */ |
| public synchronized Collection getListeners() { |
| return (Collection) fListeners.clone(); |
| } |
| |
| protected void initAdapter(INodeAdapter adapter, INodeNotifier node) { |
| // register for CMDocumentManager events |
| if (((JFaceNodeAdapter) adapter).getCMDocumentManagerListener() != null) { |
| ModelQueryAdapter mqadapter = (ModelQueryAdapter) node.getAdapterFor(ModelQueryAdapter.class); |
| if (mqadapter != null) { |
| ModelQuery mquery = mqadapter.getModelQuery(); |
| if (mquery != null && mquery.getCMDocumentManager() != null) { |
| cmDocumentManager = mquery.getCMDocumentManager(); |
| cmDocumentManager.addListener(((JFaceNodeAdapter) adapter).getCMDocumentManagerListener()); |
| } |
| } |
| } |
| } |
| |
| public void release() { |
| // deregister from CMDocumentManager events |
| if (cmDocumentManager != null && singletonAdapter != null && ((JFaceNodeAdapter) singletonAdapter).getCMDocumentManagerListener() != null) { |
| cmDocumentManager.removeListener(((JFaceNodeAdapter) singletonAdapter).getCMDocumentManagerListener()); |
| } |
| } |
| |
| public synchronized void removeListener(Object listener) { |
| fListeners.remove(listener); |
| } |
| } |