| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.jsf.core.dom; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| import org.eclipse.jst.jsf.core.internal.tld.CMUtil; |
| import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class JSFDOMUtil |
| { |
| |
| /** |
| * @param parentEle |
| * @param name |
| * @return the facet element or null if not found |
| */ |
| public static Element findFacet(Element parentEle, String name) |
| { |
| NodeList childnodes = parentEle.getChildNodes(); |
| for (int i=0, size=childnodes.getLength(); i<size; i++) |
| { |
| Node node = childnodes.item(i); |
| if (node.getNodeType() == Node.ELEMENT_NODE && JSFDOMUtil.isFacet((Element)node)) |
| { |
| Element ele = (Element) node; |
| if (name.equals(ele.getAttribute("name"))) |
| { |
| return ele; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @param node |
| * @return true if node is a JSF column |
| */ |
| public static boolean isHColumn(Node node) |
| { |
| if (node instanceof Element) |
| { |
| Element ele = (Element) node; |
| if ("column".equalsIgnoreCase(ele.getLocalName()) && ITLDConstants.URI_JSF_HTML.equals(CMUtil.getElementNamespaceURI(ele))) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * @param panelGridEle |
| * @return the list of UI component children |
| */ |
| public static List getUIComponentChildren(Element panelGridEle) |
| { |
| // XXX: temp implementation. Later may move this out to be shared. |
| // currently just returning all children Element. Need to filter out things like non JSF UI component |
| List list = new ArrayList(); |
| NodeList childnodes = panelGridEle.getChildNodes(); |
| for (int i=0, size=childnodes.getLength(); i<size; i++) |
| { |
| Node node = childnodes.item(i); |
| if (node.getNodeType() == Node.ELEMENT_NODE) |
| { |
| if (JSFDOMUtil.isFacet((Element) node)) |
| { |
| continue; |
| } |
| list.add(node); |
| } |
| } |
| return list; |
| } |
| |
| /** |
| * @param ele |
| * @return true if ele is a facet |
| */ |
| public static boolean isFacet(Element ele) |
| { |
| // XXX: here we are not checking namespace! for error tolerant. |
| return "facet".equals(ele.getLocalName()); |
| } |
| |
| /** |
| * @param ele |
| * @return true if the local name of ele is "param" |
| */ |
| public static boolean isUIParameter(Element ele) |
| { |
| return "param".equals(ele.getLocalName()); |
| } |
| |
| } |