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The modification of the setters finishes the evolution of the form class, producing the following complete definition:
import java.awt.*; import java.util.*;
import java.awt.event.*; import javax.swing.*;
import javax.swing.event.*;
public class RatingPanel extends JPanel implements RatingPanelInterface {
private int value1, value2, value3;
private JTextField field1, field2, field3;
private JButton button1Plus, button2Plus, button3Plus;
private JButton button1Minus, button2Minus, button3Minus;
RatingPanel (String x, String y, String z) {
setLayout(new GridLayout (3, 4, 3, 3));
value1 = 0; value2 = 0; value3 = 0;
field1 = new JTextField("0", 20);
button1Plus = new JButton("+"); button1Minus = new JButton("-");
// Ditto for other text fields and buttons
add(new JLabel (x));
add(field1); add(button1Minus); add(button1Plus);
// Ditto for other labels, text fields, and buttons
LocalActionListener listener = new LocalActionListener();
field1.addActionListener(listener);
button1Plus.addActionListener(listener);
button1Minus.addActionListener(listener);
// Ditto for other text fields and buttons
}
public void setValue1(int v) {
int oldValue = value1;
value1 = v;
field1.setText(String.valueOf(value1));
firePropertyChange("value1", oldValue, value1);
}
// Ditto for other setters
public int getValue1() {return value1;}
// Ditto for other getters
class LocalActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == field1) {
setValue1(Integer.parseInt(field1.getText()));
} else if (e.getSource() == button1Plus) {
setValue1(value1 + 1);
} else if (e.getSource() == button1Minus) {
setValue1(value1 - 1);
}
// Ditto for other text fields and buttons
}
}
public Dimension getMinimumSize() {return new Dimension(300, 75);}
public Dimension getPreferredSize() {return new Dimension(300, 75);}
}