| /******************************************************************************* |
| * Copyright (c) 2005 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.jst.jsp.ui.internal.projection; |
| |
| import org.eclipse.jst.jsp.core.internal.provisional.JSP11Namespace; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.w3c.dom.Node; |
| |
| public class ProjectionModelNodeAdapterFactoryJSP extends ProjectionModelNodeAdapterFactoryHTML { |
| public ProjectionModelNodeAdapterFactoryJSP() { |
| adapterKey = ProjectionModelNodeAdapterJSP.class; |
| } |
| |
| /** |
| * Actually creates an adapter for the parent of target if target is the |
| * "adapt-able" node |
| */ |
| protected INodeAdapter createAdapter(INodeNotifier target) { |
| if ((getProjectionViewer() != null) && (target instanceof Node) && ((Node) target).getNodeType() == Node.ELEMENT_NODE) { |
| Node node = (Node) target; |
| if (isNodeProjectable(node)) { |
| |
| // actually work with the parent node to listen for add, |
| // delete events |
| Node parent = node.getParentNode(); |
| if (parent instanceof INodeNotifier) { |
| INodeNotifier parentNotifier = (INodeNotifier) parent; |
| ProjectionModelNodeAdapterJSP parentAdapter = (ProjectionModelNodeAdapterJSP) parentNotifier.getExistingAdapter(ProjectionModelNodeAdapterJSP.class); |
| if (parentAdapter == null) { |
| // create a new adapter for parent |
| parentAdapter = new ProjectionModelNodeAdapterJSP(this); |
| parentNotifier.addAdapter(parentAdapter); |
| } |
| // call update on parent because a new node has just been |
| // added |
| parentAdapter.updateAdapter(parent); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns true if node is a node type able to fold |
| * |
| * @param node |
| * @return boolean true if node is projectable, false otherwise |
| */ |
| boolean isNodeProjectable(Node node) { |
| if (node.getNodeType() == Node.ELEMENT_NODE) { |
| String tagName = node.getNodeName(); |
| // node is only projectable if it is jsp scriptlet tag |
| if (JSP11Namespace.ElementName.SCRIPTLET.equalsIgnoreCase(tagName)) |
| return true; |
| } |
| return false; |
| } |
| } |