<visibleWhen

                  checkEnabled="false">

               <and>

                  <count

                        value="1">

                  </count>

                  <iterate>

                     <test

                           forcePluginActivation="false"

                           property="org.eclipse.mylyn.repository.connectorKind"

                           value="bugzilla">

                     </test>

                  </iterate>

               </and>

            </visibleWhen>

   <extension

         point="org.eclipse.core.expressions.propertyTesters">

      <propertyTester

            class="org.eclipse.mylyn.internal.sandbox.ui.util.TaskRepositoryPropertyTester"

            id="org.eclipse.mylyn.sandbox.ui.repositoryPropertyTester"

            namespace="org.eclipse.mylyn.repository"

            properties="connectorKind"

            type="org.eclipse.mylyn.tasks.core.TaskRepository">

      </propertyTester>

   </extension>

Import-Package: org.eclipse.mylyn.commons.net

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

 * Copyright (c) 2004, 2007 Mylyn project committers 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

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

package org.eclipse.mylyn.internal.sandbox.ui.util;

import org.eclipse.core.expressions.PropertyTester;

import org.eclipse.mylyn.tasks.core.TaskRepository;

/**

 * @author Jingwen Ou

 */

public class TaskRepositoryPropertyTester extends PropertyTester {

	private static final String PROPERTY_CONNECTOR_KIND = "connectorKind";

	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {

		if (receiver instanceof TaskRepository) {

			TaskRepository taskRepository = (TaskRepository) receiver;

			if (PROPERTY_CONNECTOR_KIND.equals(property)) {

				return taskRepository.getConnectorKind().equals(expectedValue);

			}

		}

		return false;

	}

}