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Copy pathMenuWindow.java
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178 lines (124 loc) · 3.3 KB
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package problemDomain;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.*;
public class MenuWindow extends JFrame
{
private JLabel messageLabel;
private final int LABEL_WIDTH = 400;
private final int LABEL_HEIGH = 200;
private JMenuBar menuBar;
private JMenu fileMenu;
private JMenu textMenu;
private JMenuItem exitItem;
private JRadioButtonMenuItem blackItem;
private JRadioButtonMenuItem redItem;
private JRadioButtonMenuItem blueItem;
private JCheckBoxMenuItem visibleItem;
public MenuWindow()
{
setTitle("Example Menu System");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
messageLabel = new JLabel("Use the Text menu to change my color and make me invisible",
SwingConstants.CENTER);
messageLabel.setPreferredSize(new Dimension(LABEL_WIDTH, LABEL_HEIGH));
messageLabel.setForeground(Color.BLACK);
add(messageLabel);
buildMenuBar();
pack();
setVisible(true);
}
private void buildMenuBar()
{
menuBar = new JMenuBar();
buildFileMenu();
buildTextMenu();
menuBar.add(fileMenu);
menuBar.add(textMenu);
setJMenuBar(menuBar);
}
private void buildFileMenu()
{
exitItem = new JMenuItem("Exit");
exitItem.setMnemonic(KeyEvent.VK_X);
exitItem.addActionListener(new ExitListener());
fileMenu = new JMenu("File");
fileMenu.setMnemonic(KeyEvent.VK_F);
fileMenu.add(exitItem);
}
private void buildTextMenu()
{
blackItem = new JRadioButtonMenuItem("Black", true);
blackItem.setMnemonic(KeyEvent.VK_B);
blackItem.addActionListener(new ColorListener());
redItem = new JRadioButtonMenuItem("Red");
redItem.setMnemonic(KeyEvent.VK_R);
redItem.addActionListener(new ColorListener());
blueItem = new JRadioButtonMenuItem("Blue");
blueItem.setMnemonic(KeyEvent.VK_U);
blueItem.addActionListener(new ColorListener());
ButtonGroup group = new ButtonGroup();
group.add(blackItem);
group.add(redItem);
group.add(blueItem);
visibleItem = new JCheckBoxMenuItem("Visible", true);
visibleItem.setMnemonic(KeyEvent.VK_V);
visibleItem.addActionListener(new VisibleListener());
textMenu = new JMenu("Text");
textMenu.setMnemonic(KeyEvent.VK_T);
textMenu.add(blackItem);
textMenu.add(redItem);
textMenu.add(blueItem);
textMenu.addSeparator();
textMenu.add(visibleItem);
}
private class ExitListener implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e)
{
System.exit(0);
}
}
private class ColorListener implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e)
{
if (blackItem.isSelected())
{
messageLabel.setForeground(Color.BLACK);
}
else if (redItem.isSelected())
{
messageLabel.setForeground(Color.RED);
}
else if (blueItem.isSelected())
{
messageLabel.setForeground(Color.BLUE);
}
}
}
private class VisibleListener implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e)
{
if (visibleItem.isSelected())
{
messageLabel.setVisible(true);
}
else
{
messageLabel.setVisible(false);
}
}
}
public static void main(String[] args)
{
new MenuWindow();
}
}