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Java > Open Source Codes > org > eclipse > ui > internal > ITrimAreaChangeListener


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 package org.eclipse.ui.internal;
12
13 /**
14  * This iterface is used to identify and call back to trim elements that can be
15  * repositioned to edges other than the one that they're defined as being in by
16  * default.
17  * <p>
18  * NOTE: This class is a part of a 'work in progress' and should not be used
19  * without consulting the Platform UI group. No guarantees are made as to the
20  * stability of the API (except that the javadoc will get better...;-).
21  * </p>
22  *
23  * @since 3.2
24  *
25  */
26 public interface ITrimAreaChangeListener {
27     /**
28      * If a control's TrimLayoutData has a listener defined then this method
29      * will be called whenever the trim changes the orientation (i.e. side) that
30      * it's on.
31      * <p>
32      * The implementation should perform any adjustments to its control
33      * necessary to support it in its 'newOrientation' (i.e. changing a ToolBar
34      * from horizontal to vertical if it's been redocked to an area on the left
35      * or right side)
36      * </p>
37      *
38      * @param oldOrientation
39      * The SWT side that the trim was previously on.
40      * @param newOrientation
41      * The SWT side that the trim has been repositioned to
42      */
43     public void areaChanged(int oldOrientation, int newOrientation);
44 }
45
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