bindingdemo1.java

来自「java 完全探索的随书源码」· Java 代码 · 共 59 行

// BindingDemo1.java 
                          
import javax.swing.*; 
import javax.swing.plaf.*; 
import javax.swing.text.*;

import java.awt.*; 
import java.awt.event.*; 
                          
import java.util.*; 
                          
class BindingDemo1 extends JFrame 
{
   BindingDemo1 (String title) 
   { 
      super (title); 
                          
      addWindowListener (new WindowAdapter () 
                         { 
                             public void windowClosing (WindowEvent e) 
                             { 
                                System.exit (0); 
                             } 
                         }); 
                          
      JPanel jp = new JPanel (); 

      JLabel jl = new JLabel ("Name:");
      jp.add (jl);

      JTextField jt = new JTextField (20);
      jp.add (jt);

      Action [] aList = jt.getActions ();
      for (int i = 0; i < aList.length; i++)
           if (aList [i].getValue (Action.NAME) ==
               DefaultEditorKit.beepAction)
           {
               Action a = aList [i];

               KeyStroke ks = KeyStroke.getKeyStroke (KeyEvent.VK_B,
                                                      Event.CTRL_MASK);

               jt.getKeymap ().addActionForKeyStroke (ks, a);
           }

      getContentPane ().add (jp);

      pack ();                          
      setVisible (true); 
   } 

   public static void main (String [] args) 
   { 
      new BindingDemo1 ("Binding Demo1"); 
   } 
}