import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/** 
 * The ClickMe class implements an applet that simply puts up a button
 * thats ays click me and, when clicked, just prints out the canonical
 * "Hello World!" message. -- This is the SWING version
 *
 * @author Author
 * @version Version as of 2006-05-05
 * For: CIS 355 with Professor Sethi
 *
 * Specification:
 *   input(keyboard):
 *   output(screen):
 ******************************************************************/
public class source_lab04_ClickMeSwing extends JApplet {

    private JTextField text1;
    private JButton button1;


    public void init() {
	// Declare and initialize our containers and handlers:
	AppletButtonHandler bHandler = new AppletButtonHandler();
	setLayout(new GridLayout(3,1));

	// Declare and instantiate our buttons and textfields next:
	text1 = new JTextField(20);
	button1 = new JButton("Click me, please!");

	// At the same time, add our action listeners:
	button1.addActionListener(bHandler);

	// Finally, add them both to the main content pane:
	add(text1);
	add(button1);

	// Set the main container's content pane to visible
	setVisible(true);
    }


    
    class AppletButtonHandler implements ActionListener {
	public void actionPerformed(ActionEvent e) {
	    String msg = new String ("Hello, World!");
	    if (e.getSource() == button1) {
		text1.setText(msg);
	    }
	}
    } // End Inner Class

} // End ClickMeSwing Class