/* $Id: UMLLinkMouseListener.java 17881 2010-01-12 21:09:28Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* 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:
* tfmorris
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996-2006 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
package org.argouml.uml.ui;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JList;
import javax.swing.SwingUtilities;
import org.argouml.model.Model;
import org.argouml.ui.targetmanager.TargetManager;
/**
* A mouselistener that implements behaviour
* to navigate to a selected modelelement
* on double click of the left mousebutton
* for a JList.
*
* @since Juli 9, 2004
* @author jaap.branderhorst@xs4all.nl
*/
public class UMLLinkMouseListener implements MouseListener {
/**
* The graphical object for which this mouselistener is registrated.
*/
private JList owner = null;
/**
* The total amount of mouseclicks the user has to do,
* to go to the selected element.
*/
private int numberOfMouseClicks;
/**
* The constructor.
*
* @param theOwner the graphical object for which
* this mouselistener is registered
*/
public UMLLinkMouseListener(JList theOwner) {
this(theOwner, 2);
}
/**
* The constructor.
*
* @param theOwner the graphical object for which
* this mouselistener is registered
* @param numberOfmouseClicks the total amount of mouseclicks the user
* has to do, to go to the selected element
*/
private UMLLinkMouseListener(JList theOwner, int numberOfmouseClicks) {
owner = theOwner;
numberOfMouseClicks = numberOfmouseClicks;
}
/*
* @see java.awt.event.MouseListener#mouseClicked(
* java.awt.event.MouseEvent)
*/
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() >= numberOfMouseClicks
&& SwingUtilities.isLeftMouseButton(e)) {
Object o = owner.getSelectedValue();
if (Model.getFacade().isAModelElement(o)) {
TargetManager.getInstance().setTarget(o);
}
e.consume();
}
}
/*
* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
*/
public void mouseEntered(MouseEvent e) {
// ignored
}
/*
* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
*/
public void mouseExited(MouseEvent e) {
// ignored
}
/*
* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
*/
public void mousePressed(MouseEvent e) {
// ignored
}
/*
* @see java.awt.event.MouseListener#mouseReleased(
* java.awt.event.MouseEvent)
*/
public void mouseReleased(MouseEvent e) {
// ignored
}
}