| /******************************************************************************* |
| * Copyright (c) 2001, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui.internal.contentoutline; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.progress.UIJob; |
| import org.eclipse.wst.sse.core.internal.provisional.AbstractAdapterFactory; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.core.internal.util.Assert; |
| import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter; |
| import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapterFactory; |
| import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument; |
| import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.CMDocumentManager; |
| import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.CMDocumentManagerListener; |
| import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery; |
| import org.eclipse.wst.xml.core.internal.contentmodel.util.CMDocumentCache; |
| import org.eclipse.wst.xml.core.internal.ssemodelquery.ModelQueryAdapter; |
| import org.eclipse.wst.xml.ui.internal.XMLUIMessages; |
| |
| |
| /** |
| * 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 { |
| public class CMDocumentManagerListenerImpl implements CMDocumentManagerListener { |
| private static final int UPDATE_DELAY = 200; |
| |
| public void cacheCleared(CMDocumentCache cache) { |
| // nothing to do |
| } |
| |
| public void cacheUpdated(CMDocumentCache cache, final String uri, int oldStatus, int newStatus, CMDocument cmDocument) { |
| if ((newStatus == CMDocumentCache.STATUS_LOADED) || (newStatus == CMDocumentCache.STATUS_ERROR)) { |
| refreshViewers(); |
| } |
| } |
| |
| public void propertyChanged(CMDocumentManager cmDocumentManager, String propertyName) { |
| if (cmDocumentManager.getPropertyEnabled(CMDocumentManager.PROPERTY_AUTO_LOAD)) { |
| refreshViewers(); |
| } |
| } |
| |
| private void refreshViewers() { |
| Object[] listeners = getListeners().toArray(); |
| for (int i = 0; i < listeners.length; i++) { |
| if (listeners[i] instanceof StructuredViewer) { |
| final StructuredViewer viewer = (StructuredViewer) listeners[i]; |
| Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) { |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| Control refreshControl = viewer.getControl(); |
| if ((refreshControl != null) && !refreshControl.isDisposed()) { |
| viewer.refresh(true); |
| } |
| return Status.OK_STATUS; |
| } |
| }; |
| refresh.setSystem(true); |
| refresh.setPriority(Job.SHORT); |
| refresh.schedule(UPDATE_DELAY); |
| } |
| else if (listeners[i] instanceof Viewer) { |
| final Viewer viewer = (Viewer) listeners[i]; |
| Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) { |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| Control refreshControl = viewer.getControl(); |
| if ((refreshControl != null) && !refreshControl.isDisposed()) { |
| viewer.refresh(); |
| } |
| return Status.OK_STATUS; |
| } |
| }; |
| refresh.setSystem(true); |
| refresh.setPriority(Job.SHORT); |
| refresh.schedule(UPDATE_DELAY); |
| } |
| } |
| } |
| } |
| |
| private CMDocumentManager cmDocumentManager; |
| private CMDocumentManagerListenerImpl fCMDocumentManagerListener = null; |
| /** |
| * This keeps track of all the listeners. |
| */ |
| private Set fListeners = new HashSet(); |
| |
| 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 INodeAdapterFactory copy() { |
| return new JFaceNodeAdapterFactory(getAdapterKey(), isShouldRegisterAdapter()); |
| } |
| |
| /** |
| * 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. It is a shallow copy. |
| */ |
| public synchronized Collection getListeners() { |
| return new ArrayList(fListeners); |
| } |
| |
| protected void initAdapter(INodeAdapter adapter, INodeNotifier node) { |
| Assert.isTrue(cmDocumentManager == null); |
| Assert.isTrue(fCMDocumentManagerListener == null); |
| |
| // register for CMDocumentManager events |
| ModelQueryAdapter mqadapter = (ModelQueryAdapter) node.getAdapterFor(ModelQueryAdapter.class); |
| if (mqadapter != null) { |
| ModelQuery mquery = mqadapter.getModelQuery(); |
| if ((mquery != null) && (mquery.getCMDocumentManager() != null)) { |
| cmDocumentManager = mquery.getCMDocumentManager(); |
| fCMDocumentManagerListener = new CMDocumentManagerListenerImpl(); |
| cmDocumentManager.addListener(fCMDocumentManagerListener); |
| } |
| } |
| } |
| |
| public void release() { |
| // deregister from CMDocumentManager events |
| if ((cmDocumentManager != null) && (fCMDocumentManagerListener != null)) { |
| cmDocumentManager.removeListener(fCMDocumentManagerListener); |
| } |
| fListeners.clear(); |
| if (singletonAdapter != null && singletonAdapter instanceof JFaceNodeAdapter) { |
| RefreshStructureJob refreshJob = ((JFaceNodeAdapter) singletonAdapter).fRefreshJob; |
| if (refreshJob != null) { |
| refreshJob.cancel(); |
| } |
| } |
| } |
| |
| public synchronized void removeListener(Object listener) { |
| fListeners.remove(listener); |
| } |
| } |