/*******************************************************************************
* 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.commands.single;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants;
import org.eclipse.jst.pagedesigner.utils.JSPUtil;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.w3c.dom.Attr;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* This is for command that changes an element's tagname and some attributes.
*
* @author mengbo
*/
public class ChangeTagCommand extends SingleNodeCommand {
private final IDOMElement _element;
private final Map _attributes;
private final boolean _moveContent;
private String _uri;
private String _localTag;
private String _totalTag;
/**
* @param label
* @param node
* @param totaltag
* @param attributes
* @param movecontent
*/
public ChangeTagCommand(String label, IDOMElement node, String totaltag,
Map attributes, boolean movecontent) {
super(label, node);
this._element = node;
this._totalTag = totaltag;
this._attributes = attributes;
this._moveContent = movecontent;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute()
*/
protected void doExecute() {
String tag = null;
if (_totalTag != null) {
tag = _totalTag;
} else {
if (ITLDConstants.URI_HTML.equals(_uri)) {
tag = _localTag;
} else if (ITLDConstants.URI_JSP.equals(_uri)) {
tag = "jsp:" + _localTag; //$NON-NLS-1$
} else {
tag = JSPUtil.getOrCreatePrefix(getModel(), _uri, null)
+ _localTag;
}
}
// we need to remove the old element and create a new one with the new
// tag.
IDOMElement replacement = (IDOMElement) _element.getOwnerDocument()
.createElement(tag);
NamedNodeMap attrs = _element.getAttributes();
for (int i = 0, n = attrs.getLength(); i < n; i++) {
Attr a = (Attr) attrs.item(i);
replacement.setAttribute(a.getName(), a.getValue());
}
if (_attributes != null) {
for (Iterator iter = _attributes.keySet().iterator(); iter
.hasNext();) {
String name = (String) iter.next();
String value = (String) _attributes.get(name);
replacement.setAttribute(name, value);
}
}
if (_moveContent) {
NodeList nl = _element.getChildNodes();
ArrayList list = new ArrayList();
for (int i = 0, n = nl.getLength(); i < n; i++) {
list.add(nl.item(i));
}
for (int i = 0, n = list.size(); i < n; i++) {
replacement.appendChild((Node) list.get(i));
}
}
_element.getParentNode().replaceChild(replacement, _element);
setReplacedElement(replacement);
}
/**
* @return the replacemd element
*/
public IDOMElement getNewElement() {
return getReplacedElment();
}
}