| /* |
| * Copyright (c) 2012, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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 com.google.dart.tools.ui.web.xml; |
| |
| import com.google.dart.tools.core.html.XmlNode; |
| import com.google.dart.tools.ui.web.DartWebPlugin; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.views.contentoutline.ContentOutlinePage; |
| |
| /** |
| * An outline page for the xml editor. |
| */ |
| public class XmlContentOutlinePage extends ContentOutlinePage { |
| private XmlEditor editor; |
| |
| public XmlContentOutlinePage(XmlEditor editor) { |
| this.editor = editor; |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| super.createControl(parent); |
| |
| getTreeViewer().setLabelProvider(new XmlLabelProvider()); |
| getTreeViewer().setContentProvider(new XmlNodeContentProvider()); |
| getTreeViewer().setInput(editor.getModel()); |
| |
| getTreeViewer().expandToLevel(3); |
| |
| getTreeViewer().addSelectionChangedListener(new ISelectionChangedListener() { |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| handleTreeViewerSelectionChanged(event.getSelection()); |
| } |
| }); |
| } |
| |
| protected void handleEditorReconcilation() { |
| if (!getControl().isDisposed()) { |
| refreshAsync(); |
| } |
| } |
| |
| protected void handleTreeViewerSelectionChanged(ISelection selection) { |
| if (selection instanceof IStructuredSelection) { |
| Object sel = ((IStructuredSelection) selection).getFirstElement(); |
| |
| if (sel instanceof XmlNode) { |
| XmlNode node = (XmlNode) sel; |
| |
| editor.selectAndReveal(node); |
| } |
| } |
| } |
| |
| private void refresh() { |
| try { |
| if (!getTreeViewer().getControl().isDisposed()) { |
| getTreeViewer().refresh(editor.getModel()); |
| } |
| } catch (Throwable exception) { |
| DartWebPlugin.logError(exception); |
| |
| getTreeViewer().setInput(null); |
| } |
| } |
| |
| private void refreshAsync() { |
| Display.getDefault().asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| refresh(); |
| } |
| }); |
| } |
| |
| } |