OcelotlMouseListener.java

/*******************************************************************************
 * Copyright (c) 2012-2015 INRIA.
 * 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:
 *     Damien Dosimont <damien.dosimont@imag.fr>
 *     Youenn Corre <youenn.corret@inria.fr>
 ******************************************************************************/
package fr.inria.soctrace.tools.ocelotl.ui.views.timelineview;

import org.eclipse.draw2d.MouseListener;
import org.eclipse.draw2d.MouseMotionListener;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

import fr.inria.soctrace.tools.ocelotl.core.dataaggregmanager.spacetime.EventProducerHierarchy.EventProducerNode;
import fr.inria.soctrace.tools.ocelotl.ui.views.timelineview.AggregatedView.MouseState;

public abstract class OcelotlMouseListener implements MouseListener, MouseMotionListener {

	protected static final long	Threshold	= 5;
	protected MouseState		state		= MouseState.RELEASED;
	protected MouseState		previous	= MouseState.RELEASED;
	protected Point				currentPoint;
	protected AggregatedView	aggregatedView;
	protected Display			display		= Display.getCurrent();
	protected Shell				shell		= display.getActiveShell();
	protected long				fixed;

	public abstract void drawSelection();
	
	public void setSpatialSelection(EventProducerNode selectedNode) {}
	
	/**
	 * Set the current shape of the mouse cursor
	 * 
	 * @param aCursor
	 *            the shape of the cursor
	 */
	public void setShellCursor(int aCursor) {
		if (shell != null && !shell.isDisposed())
			shell.setCursor(new Cursor(display, aCursor));
	}
}