accessibilitydemo5.java

java 完全探索的随书源码

// AccessibilityDemo5.java

import javax.accessibility.*;

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

class AccessibilityDemo5 extends JFrame
{
   AccessibilityDemo5 (String title)
   {
      super (title);

      addWindowListener (new WindowAdapter ()
                         {
                             public void windowClosing (WindowEvent e)
                             {
                                System.exit (0);
                             }
                         });

      JPanel p = new JPanel ();
      p.setPreferredSize (new Dimension (200, 50));
      JButton jb = new JButton (new ImageIcon ("bullet.gif"));
      p.add (jb);

      getContentPane ().add (p);

      pack ();
      setVisible (true);
   }

   public static void main (String [] args)
   {
      AccessibilityDemo5 ad5;
      ad5 = new AccessibilityDemo5 ("Accessibility Demo5");

      try
      {
          Thread.sleep (5000);
      }
      catch (InterruptedException e) {}

      ad5.dumpIconInfo (ad5.getAccessibleContext ());
   }

   void dumpIconInfo (AccessibleContext ac)
   {
      AccessibleIcon [] ai = ac.getAccessibleIcon ();

      if (ai != null)
      {
          for (int i = 0; i < ai.length; i++)
          {
               String s = ai [i].getAccessibleIconDescription ();
               System.out.println ("Description = " + s);
               System.out.println ("Width = "
                                   + ai [i].getAccessibleIconWidth ());
               System.out.println ("height = "
                                   + ai [i].getAccessibleIconWidth ());
          }

          return;
      }
            
      int nChildren = ac.getAccessibleChildrenCount ();

      for (int i = 0; i < nChildren; i++)
           dumpIconInfo (ac.getAccessibleChild (i)
                           .getAccessibleContext ());
   }
}