| /******************************************************************************* |
| * Copyright (c) 2001, 2008 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.wst.xsd.ui.internal.util; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.wst.sse.core.internal.provisional.IModelStateListener; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.Text; |
| |
| public abstract class ModelReconcileAdapter extends DocumentAdapter implements IModelStateListener |
| { |
| protected boolean handlingNotifyChanged = false; |
| protected List listeners = new ArrayList(); |
| |
| public ModelReconcileAdapter(Document document) |
| { |
| super(document); |
| } |
| |
| public void addListener(INodeAdapter listener) |
| { |
| if (!listeners.contains(listener)) |
| { |
| listeners.add(listener); |
| } |
| } |
| |
| public void removeListener(INodeAdapter listener) |
| { |
| listeners.remove(listener); |
| } |
| |
| protected void notifyListeners(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) |
| { |
| List list = new ArrayList(listeners); |
| for (Iterator i = list.iterator(); i.hasNext(); ) |
| { |
| INodeAdapter adapter = (INodeAdapter)i.next(); |
| adapter.notifyChanged(notifier, eventType, changedFeature, oldValue, newValue, pos); |
| } |
| } |
| |
| public void notifyChanged(INodeNotifier notifier, int eventType, Object feature, Object oldValue, Object newValue, int index) |
| { |
| if (!handlingNotifyChanged) |
| { |
| handlingNotifyChanged = true; |
| try |
| { |
| handleNotifyChange(notifier, eventType, feature, oldValue, newValue, index); |
| notifyListeners(notifier, eventType, feature, oldValue, newValue, index); |
| } |
| catch (Exception e) |
| { |
| // XSDEditorPlugin.getPlugin().getMsgLogger().write(e); |
| } |
| finally |
| { |
| handlingNotifyChanged = false; |
| } |
| } |
| } |
| |
| protected void handleNodeChanged(Node node) |
| { |
| } |
| |
| public void handleNotifyChange(INodeNotifier notifier, int eventType, Object feature, Object oldValue, Object newValue, int index) |
| { |
| Node node = (Node)notifier; |
| switch (eventType) |
| { |
| case INodeNotifier.ADD: |
| { |
| if (newValue instanceof Element) |
| { |
| Element element = (Element)newValue; |
| adapt(element); |
| } |
| break; |
| } |
| case INodeNotifier.REMOVE: |
| { |
| break; |
| } |
| case INodeNotifier.CHANGE: |
| case INodeNotifier.STRUCTURE_CHANGED: |
| { |
| handleNodeChanged(node); |
| break; |
| } |
| case INodeNotifier.CONTENT_CHANGED: |
| { |
| // If the only thing changed was the content of a text node |
| // then we don't want to reconcile. |
| |
| if (feature instanceof Text) |
| { |
| break; |
| } |
| |
| handleNodeChanged(node); |
| break; |
| } |
| } |
| } |
| |
| public void modelAboutToBeChanged(IStructuredModel model) |
| { |
| } |
| |
| public void modelAboutToBeReinitialized(IStructuredModel structuredModel) |
| { |
| } |
| |
| public void modelChanged(IStructuredModel model) |
| { |
| } |
| |
| public void modelDirtyStateChanged(IStructuredModel model, boolean isDirty) |
| { |
| } |
| |
| public void modelReinitialized(IStructuredModel structuredModel) |
| { |
| } |
| |
| public void modelResourceDeleted(IStructuredModel model) |
| { |
| } |
| |
| public void modelResourceMoved(IStructuredModel oldModel, IStructuredModel newModel) |
| { |
| } |
| } |