01: /*******************************************************************************
02: * Copyright (c) 2000, 2006 IBM Corporation and others.
03: * All rights reserved. This program and the accompanying materials
04: * are made available under the terms of the Eclipse Public License v1.0
05: * which accompanies this distribution, and is available at
06: * http://www.eclipse.org/legal/epl-v10.html
07: *
08: * Contributors:
09: * IBM Corporation - initial API and implementation
10: *******************************************************************************/package org.eclipse.ui;
11:
12: /**
13: * Interface for listening to <code>null</code> selection changes.
14: * <p>
15: * This interface should be implemented by selection listeners
16: * that want to be notified when the selection becomes <code>null</code>.
17: * It has no methods. It simply indicates the desire to receive
18: * <code>null</code> selection events through the existing
19: * <code>selectionChanged</code> method. Either the part or the
20: * selection may be <code>null</code>.
21: * </p>
22: *
23: * @see ISelectionListener#selectionChanged
24: * @see IActionDelegate#selectionChanged
25: * @see org.eclipse.ui.ISelectionListener
26: *
27: * @since 2.0
28: */
29: public interface INullSelectionListener extends ISelectionListener {
30: }
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