/*
* 1.1 version.
*/
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.applet.Applet;
public class ButtonDemoApplet extends Applet
implements ActionListener {
protected Button b1, b2, b3;
protected static final String DISABLE = "disable";
protected static final String ENABLE = "enable";
public void init() {
b1 = new Button();
b1.setLabel("Disable middle button");
b1.setActionCommand(DISABLE);
b2 = new Button("Middle button");
b3 = new Button("Enable middle button");
b3.setEnabled(false);
b3.setActionCommand(ENABLE);
//Listen for actions on buttons 1 and 3.
b1.addActionListener(this);
b3.addActionListener(this);
//Add Components to the Applet, using the default FlowLayout.
add(b1);
add(b2);
add(b3);
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals(DISABLE)) {
b2.setEnabled(false);
b1.setEnabled(false);
b3.setEnabled(true);
} else {
b2.setEnabled(true);
b1.setEnabled(true);
b3.setEnabled(false);
}
}
}
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