src/main/java/irc/gui/prv/MouseWheelPanel.java

   1 /*****************************************************/\r
   2 /*          This java file is a part of the          */\r
   3 /*                                                   */\r
   4 /*           -  Plouf's Java IRC Client  -           */\r
   5 /*                                                   */\r
   6 /*   Copyright (C)  2002 - 2004 Philippe Detournay   */\r
   7 /*                                                   */\r
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  12 /*  General Public License as published by the       */\r
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  28 /*****************************************************/\r
  29 \r
  30 package irc.gui.prv;\r
  31 \r
  32 import irc.ListenerGroup;\r
  33 import irc.gui.common.MouseWheelPanelListener;\r
  34 \r
  35 import java.awt.GridLayout;\r
  36 import java.awt.Panel;\r
  37 import java.awt.event.MouseWheelEvent;\r
  38 import java.awt.event.MouseWheelListener;\r
  39 \r
  40 /**\r
  41  * MouseWheelPanel. Should be compiled using java jdk1.4.\r
  42  */\r
  43 public class MouseWheelPanel extends Panel implements MouseWheelListener {\r
  44         private ListenerGroup _listeners;\r
  45 \r
  46         /**\r
  47          * Create a new MouseWheelPanel.\r
  48          */\r
  49         public MouseWheelPanel() {\r
  50                 super();\r
  51                 _listeners = new ListenerGroup();\r
  52                 addMouseWheelListener(this);\r
  53                 setLayout(new GridLayout(1, 1));\r
  54         }\r
  55 \r
  56         /**\r
  57          * Add a listener.\r
  58          * \r
  59          * @param lis\r
  60          *          listener to add.\r
  61          */\r
  62         public void addMouseWheelPanelListener(MouseWheelPanelListener lis) {\r
  63                 _listeners.addListener(lis);\r
  64         }\r
  65 \r
  66         /**\r
  67          * Remove a listener.\r
  68          * \r
  69          * @param lis\r
  70          *          listener to remove.\r
  71          */\r
  72         public void removeMouseWheelPanelListener(MouseWheelPanelListener lis) {\r
  73                 _listeners.removeListener(lis);\r
  74         }\r
  75 \r
  76         @Override\r
  77         public void mouseWheelMoved(MouseWheelEvent e) {\r
  78                 _listeners.sendEventAsync("mouseWheelMoved", new Integer(e.getWheelRotation()));\r
  79         }\r
  80 }\r