IPerspectiveListener4


1   /*******************************************************************************
2    * Copyright (c) 2006 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   ******************************************************************************/
11  
12  package org.eclipse.ui;
13  
14  /**
15   * Extension interface to <code>IPerspectiveListener</code> which adds support
16   * for listening to perspective pre-deactivate events.
17   * <p>
18   * This interface may be implemented by clients.
19   * </p>
20   * 
21   * @see IPageService#addPerspectiveListener(IPerspectiveListener)
22   * @see PerspectiveAdapter
23   * @since 3.2
24   * 
25   */
26  public interface IPerspectiveListener4 extends IPerspectiveListener3 {
27      /**
28       * <p>
29       * Notifies this listener that a perspective in the given page is about to
30       * be deactivated.
31       * </p>
32       * <p>
33       * Note: This does not have the ability to veto a perspective deactivation.
34       * </p>
35       * 
36       * @param page
37       *            the page containing the deactivated perspective
38       * @param perspective
39       *            the perspective descriptor that was deactivated
40       * @see IWorkbenchPage#setPerspective(IPerspectiveDescriptor)
41       */
42      public void perspectivePreDeactivate(IWorkbenchPage page,
43              IPerspectiveDescriptor perspective);
44  
45  }
46
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