/*  ButtonUI4.java
 *
 *  Simple Event-Driven GUI Application
 *  Derived from:  EventExampleUI.java
 */

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

public class ButtonUI4
    extends CloseableFrame
{
    Label valueLabel;
    Button incrementButton;
    Button resetButton;
    
    public ButtonUI4() 
    {
        setSize(240, 100);
        this.setLayout(null);

        incrementButton = new Button("Increment");
        incrementButton.setBackground( Color.green );  // new
        incrementButton.setBounds(20, 40, 100, 25);
        incrementButton.addActionListener(
            new IncrementButtonEventHandler(this));
        add(incrementButton);

        resetButton = new Button("Reset");
        resetButton.setBackground( Color.red );  // new
        resetButton.setBounds(125, 40, 100, 25);
        resetButton.addActionListener( new ActionListener() {
            public void actionPerformed(ActionEvent evt){
                valueLabel.setText("0");
        }});
        add(resetButton);

        valueLabel = new Label("0", Label.CENTER);
        valueLabel.setBounds(95, 70, 50, 25);
        add(valueLabel);
        
        setVisible(true);
    }

    public static void main( String[] args )
    {
        new ButtonUI4();
    }
}

class IncrementButtonEventHandler
    implements ActionListener 
{
    ButtonUI4 frame;

    public IncrementButtonEventHandler( ButtonUI4 f )
    {
        frame = f;
    }

    public void actionPerformed( ActionEvent evt )
    {
        int value = (new Integer(frame.valueLabel.getText())).intValue();
        frame.valueLabel.setText(String.valueOf(value + 1));
    }
}