ccphandler.java

java swing 开发代码

// CCPHandler.java
// A simple event handler to display cut/copy/paste events.
//

package	jswing.ch02;

import java.awt.event.*;

public class CCPHandler implements ActionListener {

  public final static String CUT   = "cut";
  public final static String COPY  = "copy";
  public final static String PASTE = "paste";

  public void actionPerformed(ActionEvent e) {
    String command = e.getActionCommand();
    if (command == CUT) { // We can do this since we're comparing constants.
      System.out.println("Got Cut event");
    }
    else if (command == COPY) {
      System.out.println("Got Copy event");
    }
    else if (command == PASTE) {
      System.out.println("Got Paste event");
    }
  }
}