1 /*
   2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.plaf.basic;
  27 
  28 import javax.swing.*;
  29 import java.awt.*;
  30 import java.awt.event.*;
  31 import javax.swing.plaf.*;
  32 import javax.swing.border.*;
  33 
  34 /**
  35  * BasicRadioButtonMenuItem implementation
  36  *
  37  * @author Georges Saab
  38  * @author David Karlton
  39  */
  40 public class BasicRadioButtonMenuItemUI extends BasicMenuItemUI
  41 {
  42     /**
  43      * Returns a new instance of {@code BasicRadioButtonMenuItemUI}.
  44      *
  45      * @param b a component
  46      * @return a new instance of {@code BasicRadioButtonMenuItemUI}
  47      */
  48     public static ComponentUI createUI(JComponent b) {
  49         return new BasicRadioButtonMenuItemUI();
  50     }
  51 
  52     protected String getPropertyPrefix() {
  53         return "RadioButtonMenuItem";
  54     }
  55 
  56     /**
  57      * Invoked when mouse event occurs.
  58      *
  59      * @param item a menu item
  60      * @param e a mouse event
  61      * @param path an array of {@code MenuElement}
  62      * @param manager an instance of {@code MenuSelectionManager}
  63      */
  64     public void processMouseEvent(JMenuItem item,MouseEvent e,MenuElement path[],MenuSelectionManager manager) {
  65         Point p = e.getPoint();
  66         if(p.x >= 0 && p.x < item.getWidth() &&
  67            p.y >= 0 && p.y < item.getHeight()) {
  68             if(e.getID() == MouseEvent.MOUSE_RELEASED) {
  69                 manager.clearSelectedPath();
  70                 item.doClick(0);
  71                 item.setArmed(false);
  72             } else
  73                 manager.setSelectedPath(path);
  74         } else if(item.getModel().isArmed()) {
  75             MenuElement newPath[] = new MenuElement[path.length-1];
  76             int i,c;
  77             for(i=0,c=path.length-1;i<c;i++)
  78                 newPath[i] = path[i];
  79             manager.setSelectedPath(newPath);
  80         }
  81     }
  82 }