accessibilitydemo7.java

来自「java 完全探索的随书源码」· Java 代码 · 共 72 行

// AccessibilityDemo7.java

import javax.accessibility.*;

import javax.swing.*;

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

class AccessibilityDemo7 extends JFrame
{
   AccessibilityDemo7 (String title)
   {
      super (title);

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

      JPanel p = new JPanel ();
      p.setPreferredSize (new Dimension (200, 200));

      JTable jt = new JTable (10, 3);
      p.add (jt);

      getContentPane ().add (p);

      pack ();
      setVisible (true);
   }

   public static void main (String [] args)
   {
      AccessibilityDemo7 ad7;
      ad7 = new AccessibilityDemo7 ("Accessibility Demo7");

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

      ad7.dumpTableInfo (ad7.getAccessibleContext ());
   }

   void dumpTableInfo (AccessibleContext ac)
   {
      AccessibleTable at = ac.getAccessibleTable ();

      if (at != null)
      {
          int nCol = at.getAccessibleColumnCount ();
          System.out.println ("Columns = " + nCol);

          int nRow = at.getAccessibleRowCount ();
          System.out.println ("Rows = " + nRow);

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

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