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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ParcelDescriptorChildren.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.netbeans.modules.office.nodes;
import java.util.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.w3c.dom.NodeList;
import org.w3c.dom.Element;
import org.openide.nodes.*;
import org.openoffice.netbeans.modules.office.actions.ParcelDescriptorParserCookie;
/** List of children of a containing node.
* Remember to document what your permitted keys are!
*
* @author tomaso
*/
public class ParcelDescriptorChildren extends Children.Keys implements ChangeListener {
private ParcelDescriptorParserCookie parserCookie = null;
public ParcelDescriptorChildren(ParcelDescriptorParserCookie cookie) {
parserCookie = cookie;
}
private void refreshKeys() {
NodeList nl;
int len;
if (parserCookie == null ||
(nl = parserCookie.getScriptElements()) == null ||
(len = nl.getLength()) == 0) {
setKeys(Collections.EMPTY_SET);
return;
}
ArrayList keys = new ArrayList(len);
for (int i = 0; i < len; i++)
keys.add(nl.item(i));
setKeys(keys);
}
protected void addNotify() {
super.addNotify();
parserCookie.addChangeListener(this);
refreshKeys();
}
protected void removeNotify() {
super.removeNotify();
parserCookie.removeChangeListener(this);
setKeys(Collections.EMPTY_SET);
}
protected Node[] createNodes(Object key) {
Element el = (Element)key;
System.out.println("element is: " + el);
return new Node[] {new ScriptNode(el)};
}
public void stateChanged(ChangeEvent e) {
refreshKeys();
}
}
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