/*******************************************************************************
* Copyright (c) 2005 Oracle Corporation.
* 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:
* Ian Trimble - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.jsf.ui.converter.operations.jsf;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import org.eclipse.jst.pagedesigner.converter.ConvertPosition;
import org.eclipse.jst.pagedesigner.dom.EditModelQuery;
import org.eclipse.jst.pagedesigner.dtmanager.converter.ITransformOperation;
import org.eclipse.jst.pagedesigner.dtmanager.converter.operations.AbstractTransformOperation;
import org.eclipse.jst.pagedesigner.dtmanager.converter.operations.TransformOperationFactory;
import org.eclipse.jst.pagedesigner.jsf.core.dom.JSFDOMUtil;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* ITransformOperation implementation specifically for the "column" JSF (HTML)
* 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 ColumnOperation extends AbstractTransformOperation {
/*
* (non-Javadoc)
* @see org.eclipse.jst.pagedesigner.dtmanager.converter.operations.internal.provisional.AbstractTransformOperation#transform(org.w3c.dom.Element, org.w3c.dom.Element)
*/
public Element transform(Element srcElement, Element curElement) {
//create "td" Element
Element tdElement = createElement("td"); //$NON-NLS-1$
//get parent Node
Node parentNode = srcElement.getParentNode();
//process if parentNode is a "dataTable" Element
if (parentNode != null && parentNode.getNodeType() == Node.ELEMENT_NODE && parentNode.getLocalName().equals("dataTable")) { //$NON-NLS-1$
//tokenize "columnClasses" attribute into a List
List columnClassesList = new ArrayList();
String columnClassesAttribute = ((Element)parentNode).getAttribute("columnClasses"); //$NON-NLS-1$
if (columnClassesAttribute != null && columnClassesAttribute.length() > 0) {
StringTokenizer tokenizer = new StringTokenizer(columnClassesAttribute, ", "); //$NON-NLS-1$
while (tokenizer.hasMoreTokens()) {
columnClassesList.add(tokenizer.nextToken());
}
}
//set "class" attribute
int offset = EditModelQuery.getInstance().getSameTypeNodeIndex(srcElement);
if (offset < columnClassesList.size()) {
ITransformOperation operation =
TransformOperationFactory.getInstance().getTransformOperation(
TransformOperationFactory.OP_CreateAttributeOperation,
new String[]{"class", (String)columnClassesList.get(offset)}); //$NON-NLS-1$
operation.transform(srcElement, tdElement);
}
}
//add non-transparent (?), non-facet children (for further processing)
if (EditModelQuery.getInstance().hasNonTransparentChild(srcElement, new String[] {"facet"})) { //$NON-NLS-1$
Node childNode = srcElement.getFirstChild();
int index = 0;
while (childNode != null) {
if (!(childNode instanceof Element) || !JSFDOMUtil.isFacet((Element)childNode)) {
//Bug 251378 - only add element, text, and CDATA child nodes (as we do everywhere else)
if (childNode.getNodeType() == Node.ELEMENT_NODE ||
childNode.getNodeType() == Node.TEXT_NODE ||
childNode.getNodeType() == Node.CDATA_SECTION_NODE) {
tagConverterContext.addChild(childNode, new ConvertPosition(tdElement, index++));
}
}
childNode = childNode.getNextSibling();
}
} else {
//append single space for esthetics of the "td" Element
appendChildText(" ", tdElement); //$NON-NLS-1$
}
return tdElement;
}
}