| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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: |
| * Soyatec - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.xwt.tools.ui.designer.editor.outline; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.xwt.tools.ui.xaml.XamlDocument; |
| import org.eclipse.xwt.tools.ui.xaml.XamlElement; |
| |
| /** |
| * @author jliu (jin.liu@soyatec.com) |
| */ |
| public class OutlineContentProvider implements ITreeContentProvider { |
| |
| private static final Object[] EMPTY = new Object[0]; |
| |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| public void dispose() { |
| |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof XamlElement) { |
| return ((XamlElement) parentElement).getChildNodes().toArray( |
| new XamlElement[0]); |
| } else if (parentElement instanceof XamlDocument) { |
| XamlElement root = ((XamlDocument) parentElement).getRootElement(); |
| if (root != null) { |
| return new Object[] { root }; |
| } |
| } |
| return EMPTY; |
| } |
| |
| public Object getParent(Object element) { |
| if (element instanceof EObject) { |
| return ((EObject) element).eContainer(); |
| } |
| return null; |
| } |
| |
| public boolean hasChildren(Object element) { |
| return getChildren(element).length > 0; |
| } |
| } |