| /******************************************************************************* |
| * Copyright (c) 2008 Chase Technology Ltd - http://www.chasetechnology.co.uk |
| * 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: |
| * Doug Satchwell (Chase Technology Ltd) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.xpath.ui.internal.views; |
| |
| import org.eclipse.jface.resource.FontRegistry; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| public class JFaceNodeContentProviderXPath implements ITreeContentProvider { |
| |
| protected IJFaceNodeAdapter getAdapter(Object adaptable) { |
| if (adaptable instanceof INodeNotifier) { |
| INodeAdapter adapter = ((INodeNotifier) adaptable) |
| .getAdapterFor(IJFaceNodeAdapter.class); |
| if (adapter instanceof IJFaceNodeAdapter) { |
| return (IJFaceNodeAdapter) adapter; |
| } |
| } |
| |
| return null; |
| } |
| |
| public Object[] getChildren(Object object) { |
| IJFaceNodeAdapter adapter = getAdapter(object); |
| if (adapter != null) { |
| return adapter.getChildren(object); |
| } |
| return new Object[0]; |
| } |
| |
| public Object[] getElements(Object object) { |
| if (object instanceof IDOMModel) { |
| Object topNode = ((IDOMModel) object).getDocument(); |
| IJFaceNodeAdapter adapter = getAdapter(topNode); |
| if (adapter != null) { |
| return adapter.getElements(topNode); |
| } |
| } else if (object instanceof NodeList) { |
| NodeList nodeList = (NodeList) object; |
| if (nodeList.getLength() == 0) { |
| return new Object[] { new EmptyNodeList() }; |
| } else { |
| Node[] nodes = new Node[nodeList.getLength()]; |
| for (int i = 0; i < nodes.length; i++) { |
| nodes[i] = nodeList.item(i); |
| } |
| return nodes; |
| } |
| } |
| return new Object[0]; |
| } |
| |
| public Object getParent(Object object) { |
| IJFaceNodeAdapter adapter = getAdapter(object); |
| if (adapter != null) { |
| return adapter.getParent(object); |
| } |
| return null; |
| } |
| |
| public boolean hasChildren(Object object) { |
| IJFaceNodeAdapter adapter = getAdapter(object); |
| if (adapter != null) { |
| return adapter.hasChildren(object); |
| } |
| return false; |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| public void dispose() { |
| } |
| } |