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annotate org.eclipse.core.commands/src/org/eclipse/core/commands/IStateListener.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13
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14 module org.eclipse.core.commands.IStateListener;
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16 import org.eclipse.core.commands.State;
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17
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18 /**
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19 * <p>
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20 * A listener to changes in some state.
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21 * </p>
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22 * <p>
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23 * Clients may implement, but must not extend this interface.
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24 * </p>
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25 *
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26 * @since 3.2
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27 */
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28 public interface IStateListener {
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29
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30 /**
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31 * Handles a change to the value in some state.
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32 *
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33 * @param state
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34 * The state that has changed; never <code>null</code>. The
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35 * value for this state has been updated to the new value.
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36 * @param oldValue
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37 * The old value; may be anything.
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38 */
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39 public void handleStateChange(State state, Object oldValue);
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40 }