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/*******************************************************************************
* Copyright (c) 2001, 2006 IBM 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo;
import java.util.ArrayList;
import java.util.Collections;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
public class DOMExtensionTreeContentProvider implements ITreeContentProvider, INodeAdapter
{
protected String facet;
protected Viewer viewer;
public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
{
this.viewer = viewer;
}
public Object[] getChildren(Object parentElement)
{
if (parentElement instanceof Element)
{
Element element = (Element)parentElement;
ArrayList list = new ArrayList();
for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling())
{
if (node.getNodeType() == Node.ELEMENT_NODE)
{
list.add(node);
}
}
return list.toArray();
}
return Collections.EMPTY_LIST.toArray();
}
public boolean hasChildren(Object element)
{
Object[] children = getChildren(element);
return children.length > 0;
}
public Object getParent(Object element)
{
return null;
}
public java.lang.Object[] getElements(java.lang.Object inputElement)
{
return getChildren(inputElement);
}
public void dispose()
{
}
public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos)
{
if (viewer != null)
{
viewer.refresh();
}
}
public boolean isAdapterForType(Object type)
{
// this method is not used
return false;
}
}
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