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Java > Open Source Codes > org > eclipse > ui > IPerspectiveListener2


1 /*******************************************************************************
2  * Copyright (c) 2004, 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 package org.eclipse.ui;
12
13 /**
14  * Extension interface to <code>IPerspectiveListener</code> which
15  * adds support for listening to part-specific perspective lifecycle events.
16  * For example, this allows a perspective listener to determine which view
17  * is being hidden during a <code>CHANGE_VIEW_HIDE</code> event.
18  * <p>
19  * This interface may be implemented by clients.
20  * </p>
21  *
22  * @see IPageService#addPerspectiveListener(IPerspectiveListener)
23  * @see PerspectiveAdapter
24  * @since 3.0
25  */
26 public interface IPerspectiveListener2 extends IPerspectiveListener {
27
28     /**
29      * Notifies this listener that a part in the given page's perspective
30      * has changed in some way (for example, view show/hide, editor open/close, etc).
31      *
32      * @param page the workbench page containing the perspective
33      * @param perspective the descriptor for the changed perspective
34      * @param partRef the reference to the affected part
35      * @param changeId one of the <code>CHANGE_*</code> constants on IWorkbenchPage
36      */
37     public void perspectiveChanged(IWorkbenchPage page,
38             IPerspectiveDescriptor perspective,
39             IWorkbenchPartReference partRef, String JavaDoc changeId);
40 }
41
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