| /** |
| * Copyright (c) 2008 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| */ |
| package org.eclipse.jst.jsf.apache.trinidad.tagsupport.converter.operations; |
| |
| import org.eclipse.jst.jsf.apache.trinidad.tagsupport.ITrinidadConstants; |
| import org.eclipse.jst.jsf.apache.trinidad.tagsupport.Messages; |
| import org.eclipse.jst.jsf.core.internal.tld.TagIdentifierFactory; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * ITransformOperation implementation specifically for the "showDetailItem" JSF |
| * Element. |
| * |
| * <br><b>Note:</b> requires ITransformOperation.setTagConverterContext(...) to |
| * have been called to provide a valid ITagConverterContext instance prior to |
| * a call to the transform(...) method. |
| * |
| * @author Ian Trimble - Oracle |
| */ |
| public class ShowDetailItemOperation extends AbstractTrinidadTransformOperation { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.dtmanager.converter.operations.AbstractTransformOperation#transform(org.w3c.dom.Element, org.w3c.dom.Element) |
| */ |
| @Override |
| public Element transform(Element srcElement, Element curElement) { |
| |
| /* |
| * We need to represent showDetailItem as a container on the design |
| * canvas, so we need to return a top-level element to contain converted |
| * child elements. However, at runtime, it is the parent that renders |
| * the container element for showDetailItem's children. Therefore, we |
| * need to determine the parent element in order to know what top-level |
| * element it will render at runtime. There's no obvious way to do this |
| * using generic operations alone; hence, we need this specialization. |
| */ |
| |
| Element topElement = null; |
| |
| /* |
| * create top-level element type, which may differ depending on parent |
| * element |
| */ |
| Element parentSrcElement = getParentElement(srcElement); |
| if (ITrinidadConstants.TAG_IDENTIFIER_PANELTABBED.isSameTagType( |
| TagIdentifierFactory.createDocumentTagWrapper(parentSrcElement))) { |
| topElement = createElement("div"); //$NON-NLS-1$ |
| } else { |
| //default to div element |
| topElement = createElement("div"); //$NON-NLS-1$ |
| } |
| |
| if (getCopyChildrenNodes(srcElement).size() > 0) { |
| //copy all children |
| tagConverterContext.copyChildren(srcElement, topElement); |
| } else { |
| appendAttribute( |
| topElement, |
| "style", //$NON-NLS-1$ |
| ITrinidadConstants.STYLE_EMPTYELEMENT); |
| appendChildText( |
| Messages.ShowDetailItemOperation_EmptyShowDetailItemTag, |
| topElement); |
| } |
| return topElement; |
| } |
| |
| private Element getParentElement(Node node) { |
| Element parentElement = null; |
| Node curNode = node; |
| while (curNode != null) { |
| curNode = curNode.getParentNode(); |
| if (curNode instanceof Element) { |
| parentElement = (Element)curNode; |
| break; |
| } |
| } |
| return parentElement; |
| } |
| |
| } |