lookAndFeel/plugins/org.eclipse.papyrus.uml.diagram.clazz.lf.autosizeableclasses/src/org/eclipse/papyrus/uml/diagram/clazz/lf/autosizeableclasses/statemachine/EndOfRequestListener.java

/*****************************************************************************
 * Copyright (c) 2019 CEA LIST.
 *
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *  Xavier Le Pallec (for CEA LIST) xlepallec@lilo.org - Bug 558456
 *
 *****************************************************************************/

package org.eclipse.papyrus.uml.diagram.clazz.lf.autosizeableclasses.statemachine;

import org.eclipse.gef.palette.ToolEntry;
import org.eclipse.gef.ui.palette.PaletteViewer;

/**
 * This class implements an listener to detect every change of actions on the
 * class diagram, according the palette. It implements the
 * org.eclipse.gef.palette.PaletteListener class. When the active tool changes,
 * the listener notifies the state machine (passed in parameter).
 *
 */
public class EndOfRequestListener implements org.eclipse.gef.palette.PaletteListener {

	private StateMachine stateMachine;

	/**
	 * As when the active tool changes, the listener will notify a state machine,
	 * this last one has to be passed in parameter of this constructor. (passed in
	 * parameter).
	 * 
	 * @param stateMachine state machine to notified when there is a change of tool.
	 */
	public EndOfRequestListener(StateMachine stateMachine) {
		super();
		this.stateMachine = stateMachine;
	}

	private StateMachine getStateMachine() {
		return stateMachine;
	}

	/**
	 * When the active tool changes, the listener notifies the state machine (passed
	 * in parameter of the constructor).
	 */
	@Override
	public void activeToolChanged(PaletteViewer palette, ToolEntry tool) {
		getStateMachine().getLowEventManager().activeToolChanged();
	}
}