org/tjworld/components/BasicIconButtonListener.java

   1 /*\r
   2         * BasicIconButtonListener.java\r
   3  *\r
   4         * Created on 31 October 2001, 00:24\r
   5         * $Header: /VisTA/CID/Components/BasicIconButtonListener.java 4     31/10/01 14:26 Tj $\r
   6         * \r
   7         * $History: BasicIconButtonListener.java $\r
   8  * \r
   9  * *****************  Version 4  *****************\r
  10  * User: Tj           Date: 31/10/01   Time: 14:26\r
  11  * Updated in $/VisTA/CID/Components\r
  12  * Added GraphicsDebug support, Tested OK\r
  13  * \r
  14  * *****************  Version 3  *****************\r
  15  * User: Tj           Date: 31/10/01   Time: 5:06\r
  16  * Updated in $/VisTA/CID/Components\r
  17  * Updated header\r
  18  */\r
  19 package org.tjworld.components;\r
  20 \r
  21 import javax.swing.AbstractButton;\r
  22 import javax.swing.plaf.basic.BasicButtonListener;\r
  23 import javax.swing.DebugGraphics;\r
  24 import java.beans.PropertyChangeEvent;\r
  25 import org.tjworld.components.JIconToggleButton;\r
  26 \r
  27 /**\r
  28         * Extends BasicButtonListener to enable repainting when any of the Button's user or (JIconToggleButton) State\r
  29         * Icons is changed.\r
  30  *\r
  31         * @see BasicButtonListener\r
  32         * @see JIconToggleButton\r
  33         * @author  TJ\r
  34  * @version 1.4.1\r
  35         * @since 1.4\r
  36  */\r
  37 public class BasicIconButtonListener extends BasicButtonListener {\r
  38 \r
  39         /** Creates new BasicIconButtonListener */\r
  40  public BasicIconButtonListener(AbstractButton b) {\r
  41                 super(b);\r
  42  }\r
  43  \r
  44         /** Overrides BasicButtonListener.propertyChange()\r
  45                 * to intercept any icon ProprtyChange notifications, then passes the event\r
  46                 * on to the super class\r
  47                 */\r
  48  public void propertyChange(PropertyChangeEvent e) {\r
  49                 AbstractButton ab = (AbstractButton)e.getSource(); // cast the source object...\r
  50                 JIconToggleButton ib = (JIconToggleButton) ab; // ...for accessing members\r
  51          String prop = e.getPropertyName();\r
  52 \r
  53                 // graphics debugging info, not strictly applicable but an elegant-ish way to monitor\r
  54                 // progress under control of a component property editor\r
  55                 if((ab.getDebugGraphicsOptions() & DebugGraphics.LOG_OPTION) == DebugGraphics.LOG_OPTION)\r
  56                         System.out.println("BasicIconButtonListener.propertyChange(...) property: " + prop);\r
  57                 \r
  58          if(prop.equals(AbstractButton.ICON_CHANGED_PROPERTY)\r
  59                    || prop.equals(AbstractButton.DISABLED_ICON_CHANGED_PROPERTY)\r
  60                                         || prop.equals(JIconToggleButton.SELECTED_STATEICON_CHANGED_PROPERTY)\r
  61                                         || prop.equals(JIconToggleButton.UNSELECTED_STATEICON_CHANGED_PROPERTY)\r
  62                                         || prop.equals(JIconToggleButton.DISABLED_SELECTED_STATEICON_CHANGED_PROPERTY)\r
  63                                         || prop.equals(JIconToggleButton.DISABLED_UNSELECTED_STATEICON_CHANGED_PROPERTY)) {\r
  64                         ab.repaint(); // icon changed so update the display\r
  65                 }\r
  66                 else // might be other properties changed ...\r
  67                         super.propertyChange(e); // ...so pass it on\r
  68         }\r
  69 }\r