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/*******************************************************************************
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* Copyright (c) 2004, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.gef.commands;
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/**
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* A listener interface for receiving notification before and after commands are
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* executed, undone, or redone.
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*
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* @since 3.1
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*/
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public interface CommandStackEventListener {
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/**
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* Sent when an event occurs on the command stack.
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* {@link CommandStackEvent#getDetail()} can be used to identify the type of
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* event which has occurred.
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*
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* @since 3.1
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* @param event
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* the event
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*/
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void stackChanged(CommandStackEvent event);
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}
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