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The source code// $Id: UMLLinkMouseListener.java,v 1.2 2004/09/13 19:21:23 mvw Exp $ // Copyright (c) 1996-2004 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. //$Id: UMLLinkMouseListener.java,v 1.2 2004/09/13 19:21:23 mvw Exp $ package org.argouml.uml.ui; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.SwingUtilities; import org.argouml.ui.targetmanager.TargetManager; /** * A mouselistener that implements behaviour * to navigate to a selected modelelement * on double click of the left mousebutton. * * @since Juli 9, 2004 * @author jaap.branderhorst@xs4all.nl */ public class UMLLinkMouseListener implements MouseListener { private Object selectedValue = null; /** * The graphical object for which this mouselistener is registrated. */ private Object 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(Object 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 */ public UMLLinkMouseListener(Object 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 = getSelectedValue(); if (org.argouml.model.ModelFacade.isAModelElement(o)) { TargetManager.getInstance().setTarget(o); } e.consume(); } } /** * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent) */ public void mouseEntered(MouseEvent e) { } /** * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent) */ public void mouseExited(MouseEvent e) { } /** * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent) */ public void mousePressed(MouseEvent e) { } /** * @see java.awt.event.MouseListener#mouseReleased( * java.awt.event.MouseEvent) */ public void mouseReleased(MouseEvent e) { } /** * @return Returns the selectedValue. */ public Object getSelectedValue() { return selectedValue; } /** * @param v The selectedValue to set. */ public void setSelectedValue(Object v) { selectedValue = v; } } |
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