else if (att.getKind() == IMetaAttribute.XML_PATH)

			row = new IdAttributeRow(this, att);

/*******************************************************************************

 * Copyright (c) 2008 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.pde.internal.ui.editor.plugin.rows;

import java.util.*;

import org.eclipse.core.runtime.IConfigurationElement;

import org.eclipse.core.runtime.IExtension;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.window.Window;

import org.eclipse.pde.internal.core.PDECore;

import org.eclipse.pde.internal.core.ischema.ISchemaAttribute;

import org.eclipse.pde.internal.ui.PDEPlugin;

import org.eclipse.pde.internal.ui.PDEUIMessages;

import org.eclipse.pde.internal.ui.editor.IContextPart;

import org.eclipse.ui.dialogs.ElementListSelectionDialog;

public class IdAttributeRow extends ButtonAttributeRow {

	public IdAttributeRow(IContextPart part, ISchemaAttribute att) {

		super(part, att);

	}

	protected boolean isReferenceModel() {

		return !part.getPage().getModel().isEditable();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.pde.internal.ui.editor.plugin.rows.ButtonAttributeRow#browse()

	 */

	protected void browse() {

		ILabelProvider provider = new LabelProvider();

		ElementListSelectionDialog dialog = new ElementListSelectionDialog(PDEPlugin.getActiveWorkbenchShell(), provider);

		dialog.setTitle(PDEUIMessages.ResourceAttributeCellEditor_title);

		ArrayList attributesInfo = new ArrayList();

		gatherInfo(attributesInfo);

		dialog.setElements(attributesInfo.toArray());

		if (dialog.open() == Window.OK) {

			text.setText(dialog.getFirstResult().toString());

		}

	}

	private void gatherInfo(ArrayList attributesInfo) {

		String basedOn = getAttribute().getBasedOn();

		String[] path = basedOn.split("/"); //$NON-NLS-1$

		IExtension[] extensions = PDECore.getDefault().getExtensionsRegistry().findExtensions(path[0], true);

		List members = new ArrayList();

		for (int i = 0; i < extensions.length; i++) {

			IConfigurationElement[] elements = extensions[i].getConfigurationElements();

			for (int j = 0; j < elements.length; j++) {

				if (elements[j].getName().equals(path[1])) {

					members.add(elements[j]);

				}

			}

		}

		List parents = members;

		for (int i = 2; i < path.length; i++) {

			if (path[i].startsWith("@")) { //$NON-NLS-1$

				String attName = path[i].substring(1);

				for (Iterator iterator = parents.iterator(); iterator.hasNext();) {

					IConfigurationElement element = (IConfigurationElement) iterator.next();

					attributesInfo.add(element.getAttribute(attName));

				}

				return;

			}

			members = new ArrayList();

			for (Iterator iterator = parents.iterator(); iterator.hasNext();) {

				IConfigurationElement element = (IConfigurationElement) iterator.next();

				members.addAll(keepGoing(element, path[i]));

			}

			parents = members;

		}

	}

	private List keepGoing(IConfigurationElement element, String tag) {

		return Arrays.asList(element.getChildren(tag));

	}

	/* (non-Javadoc)

	 * @see org.eclipse.pde.internal.ui.editor.plugin.rows.ReferenceAttributeRow#openReference()

	 */

	protected void openReference() {

		// do nothing for now

	}

}

			if (name.equals("xml_path")) //$NON-NLS-1$

				return IMetaAttribute.XML_PATH;

	 * Indicates that the value of the associated attribute is defined

	 * in another extension element attribute.

	 * 

	 * @since 3.4

	 */

	public static final int XML_PATH = 3;

	/**