Mercurial > projects > dwt-addons
view dwtx/core/commands/IStateListener.d @ 3:6518c18a01f7
eclipse.core package without osgi dependencies
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 26 Mar 2008 00:57:19 +0100 |
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/******************************************************************************* * Copyright (c) 2005, 2006 IBM Corporation 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 * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.core.commands.IStateListener; import dwtx.core.commands.State; /** * <p> * A listener to changes in some state. * </p> * <p> * Clients may implement, but must not extend this interface. * </p> * * @since 3.2 */ public interface IStateListener { /** * Handles a change to the value in some state. * * @param state * The state that has changed; never <code>null</code>. The * value for this state has been updated to the new value. * @param oldValue * The old value; may be anything. */ public void handleStateChange(State state, Object oldValue); }