| /******************************************************************************* |
| * 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.converter; |
| |
| import java.util.Set; |
| |
| import org.eclipse.jst.pagedesigner.IHTMLConstants; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMText; |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class ConverterUtil { |
| /** |
| * |
| * @param source |
| * @param dest |
| * @param ignore |
| */ |
| public static void copyAllAttributes(Element source, Element dest, |
| Set ignore) { |
| NamedNodeMap attrs = source.getAttributes(); |
| for (int i = 0, size = attrs.getLength(); i < size; i++) { |
| Attr attr = (Attr) attrs.item(i); |
| if (ignore == null || !ignore.contains(attr.getName())) { |
| dest.setAttribute(attr.getName(), attr.getValue()); |
| } |
| } |
| } |
| |
| /** |
| * copy a single attribute (if exist) |
| * |
| * @param source |
| * @param srcattr |
| * @param dest |
| * @param destattr |
| */ |
| public static void copyAttribute(Element source, String srcattr, |
| Element dest, String destattr) { |
| Attr attr = source.getAttributeNode(srcattr); |
| if (attr != null) { |
| dest.setAttribute(destattr, attr.getValue()); |
| } |
| } |
| |
| /** |
| * @param hostElement |
| * @return true if hostElement represents an empty container |
| */ |
| public static boolean isEmptyContainer(Element hostElement) { |
| NodeList nl = hostElement.getChildNodes(); |
| if (nl == null || nl.getLength() == 0) { |
| return true; |
| } |
| |
| for (int i = 0, n = nl.getLength(); i < n; i++) { |
| Node node = nl.item(i); |
| if (!(node instanceof IDOMText)) { |
| return false; |
| } |
| if (!((IDOMText) node).isElementContentWhitespace()) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * @param document |
| * @param text |
| * @return the descripton element in the document containing text |
| */ |
| public static Element createDescriptionElement(IDOMDocument document, |
| String text) { |
| if (document == null) { |
| return null; |
| } |
| Element span = document.createElement(IHTMLConstants.TAG_SPAN); //$NON-NLS-1$ |
| span.setAttribute( |
| "style", "color:gray;font-style:italic;font-size:normal;"); //$NON-NLS-1$ //$NON-NLS-2$ |
| if (text == null) { |
| span.appendChild(document.createTextNode(PDPlugin |
| .getResourceString("ConverterUtil.Description"))); //$NON-NLS-1$ |
| } else { |
| span.appendChild(document.createTextNode(text)); |
| } |
| return span; |
| } |
| } |