| /** |
| * 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 java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jst.jsf.core.internal.tld.IJSFConstants; |
| import org.eclipse.jst.jsf.core.internal.tld.TagIdentifierFactory; |
| import org.eclipse.jst.pagedesigner.converter.ConvertPosition; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.w3c.dom.Text; |
| |
| /** |
| * ITransformOperation implementation specifically for the "panelGroupLayout" |
| * 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 PanelGroupLayoutOperation extends AbstractTrinidadTransformOperation { |
| |
| private static final int LAYOUT_DEFAULT = 0; |
| private static final int LAYOUT_HORIZONTAL = 1; |
| private static final int LAYOUT_VERTICAL = 2; |
| |
| /* (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) { |
| Element outerElement; |
| |
| //create outer element and set element-specific attributes |
| final int layout = getLayout(srcElement); |
| Element containerElement; |
| switch (layout) { |
| case LAYOUT_HORIZONTAL: |
| outerElement = createElement("table"); //$NON-NLS-1$ |
| outerElement.setAttribute("cellpadding", "0"); //$NON-NLS-1$ //$NON-NLS-2$ |
| outerElement.setAttribute("cellspacing", "0"); //$NON-NLS-1$ //$NON-NLS-2$ |
| outerElement.setAttribute("border", "0"); //$NON-NLS-1$ //$NON-NLS-2$ |
| containerElement = appendChildElement("tr", outerElement); //$NON-NLS-1$ |
| break; |
| case LAYOUT_VERTICAL: |
| outerElement = createElement("div"); //$NON-NLS-1$ |
| containerElement = outerElement; |
| break; |
| default: |
| outerElement = createElement("span"); //$NON-NLS-1$ |
| containerElement = outerElement; |
| break; |
| } |
| |
| //set common attributes on outer element |
| final String styleClass = srcElement.getAttribute("styleClass"); //$NON-NLS-1$ |
| if (styleClass != null && styleClass.length() > 0) { |
| outerElement.setAttribute("class", styleClass); //$NON-NLS-1$ |
| } |
| final String inlineStyle = srcElement.getAttribute("inlineStyle"); //$NON-NLS-1$ |
| if (inlineStyle != null && inlineStyle.length() > 0) { |
| outerElement.setAttribute("style", inlineStyle); //$NON-NLS-1$ |
| } |
| |
| //get child nodes, skipping "facet" elements and empty Text nodes |
| List<Node> childNodes = new ArrayList<Node>(); |
| Iterator<Node> itCopyChildrenNodes = getCopyChildrenNodes(srcElement).iterator(); |
| while (itCopyChildrenNodes.hasNext()) { |
| Node copyChildrenNode = itCopyChildrenNodes.next(); |
| if (!(copyChildrenNode instanceof Element && TagIdentifierFactory.createDocumentTagWrapper((Element)copyChildrenNode).isSameTagType(IJSFConstants.TAG_IDENTIFIER_FACET))) { |
| if (!(copyChildrenNode instanceof Text && copyChildrenNode.getNodeValue().trim().length() < 1)) { |
| childNodes.add(copyChildrenNode); |
| } |
| } |
| } |
| |
| //get "separator" facet's first child Element (only one used at runtime) |
| Element separatorElement = null; |
| final Element facetElement = getChildFacetByName(srcElement, "separator"); //$NON-NLS-1$ |
| if (facetElement != null) { |
| NodeList facetChildNodes = facetElement.getChildNodes(); |
| for (int i = 0; i < facetChildNodes.getLength(); i++) { |
| Node curChildNode = facetChildNodes.item(i); |
| if (curChildNode instanceof Element) { |
| separatorElement = (Element)curChildNode; |
| break; |
| } |
| } |
| } |
| |
| //iterate over child nodes, interspersing separator(s) as required |
| int curChildNodeIndex = 0; |
| int curIndex = 0; |
| Iterator<Node> itChildNodes = childNodes.iterator(); |
| switch (layout) { |
| case LAYOUT_HORIZONTAL: |
| while (itChildNodes.hasNext()) { |
| final Element childTDElement = appendChildElement("td", containerElement); //$NON-NLS-1$ |
| tagConverterContext.addChild(itChildNodes.next(), new ConvertPosition(childTDElement, 0)); |
| if (++curChildNodeIndex < childNodes.size()) { |
| if (separatorElement != null) { |
| final Element sepTDElement = appendChildElement("td", containerElement); //$NON-NLS-1$ |
| tagConverterContext.addChild(separatorElement, new ConvertPosition(sepTDElement, 0)); |
| } |
| } |
| } |
| break; |
| case LAYOUT_VERTICAL: |
| while (itChildNodes.hasNext()) { |
| tagConverterContext.addChild(itChildNodes.next(), new ConvertPosition(containerElement, curIndex++)); |
| if (++curChildNodeIndex < childNodes.size()) { |
| final Element divElement = appendChildElement("div", containerElement); //$NON-NLS-1$ |
| curIndex++; |
| if (separatorElement != null) { |
| tagConverterContext.addChild(separatorElement, new ConvertPosition(divElement, 0)); |
| } |
| } |
| } |
| break; |
| default: |
| while (itChildNodes.hasNext()) { |
| tagConverterContext.addChild(itChildNodes.next(), new ConvertPosition(containerElement, curIndex++)); |
| if (++curChildNodeIndex < childNodes.size()) { |
| if (separatorElement != null) { |
| tagConverterContext.addChild(separatorElement, new ConvertPosition(containerElement, curIndex++)); |
| } |
| } |
| } |
| break; |
| } |
| |
| return outerElement; |
| } |
| |
| private int getLayout(Element srcElement) { |
| int layout = LAYOUT_DEFAULT; |
| if (srcElement != null) { |
| String layoutValue = srcElement.getAttribute("layout"); //$NON-NLS-1$ |
| if (layoutValue != null) { |
| if (layoutValue.equals("horizontal")) { //$NON-NLS-1$ |
| layout = LAYOUT_HORIZONTAL; |
| } else if (layoutValue.equals("vertical")) { //$NON-NLS-1$ |
| layout = LAYOUT_VERTICAL; |
| } |
| } |
| } |
| return layout; |
| } |
| |
| } |