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import java.awt.event.ActionEvent; | |
import java.awt.event.ActionListener; | |
import java.awt.event.KeyEvent; | |
import javax.swing.ButtonGroup; | |
import javax.swing.JCheckBoxMenuItem; | |
import javax.swing.JFrame; | |
import javax.swing.JLabel; | |
import javax.swing.JMenu; | |
import javax.swing.JMenuBar; | |
import javax.swing.JMenuItem; | |
import javax.swing.JRadioButtonMenuItem; | |
public class MenuExample extends JFrame { | |
JLabel jLabel; | |
private void perpararUI() { | |
jLabel = new JLabel("Elemento", JLabel.CENTER); | |
getContentPane().add(jLabel); | |
JMenuBar jMenuBar = new JMenuBar(); | |
JMenu menuFile = new JMenu("Archivo"); | |
menuFile.setMnemonic(KeyEvent.VK_F); | |
jMenuBar.add(menuFile); | |
JMenu menuOption = new JMenu("Opciones"); | |
menuOption.setMnemonic(KeyEvent.VK_P); | |
jMenuBar.add(menuOption); | |
//MenuItem Nuevo, Abrir, Guardar abajo de File | |
JMenuItem menuItemNew = new JMenuItem("Nuevo", KeyEvent.VK_N); | |
menuFile.add(menuItemNew); | |
JMenuItem menuItemOpen = new JMenuItem("Abrir", KeyEvent.VK_O); | |
menuFile.add(menuItemOpen); | |
JMenuItem menuItemSave = new JMenuItem("Guardar", KeyEvent.VK_S); | |
menuFile.add(menuItemSave); | |
//CheckBox A, B, C bajo opciones | |
JCheckBoxMenuItem jCheckBoxMenuItem_A = new JCheckBoxMenuItem("Check A"); | |
jCheckBoxMenuItem_A.setMnemonic(KeyEvent.VK_A); | |
menuOption.add(jCheckBoxMenuItem_A); | |
JCheckBoxMenuItem jCheckBoxMenuItem_B = new JCheckBoxMenuItem("Check B"); | |
jCheckBoxMenuItem_B.setMnemonic(KeyEvent.VK_B); | |
menuOption.add(jCheckBoxMenuItem_B); | |
JCheckBoxMenuItem jCheckBoxMenuItem_C = new JCheckBoxMenuItem("Check C"); | |
jCheckBoxMenuItem_C.setMnemonic(KeyEvent.VK_C); | |
menuOption.add(jCheckBoxMenuItem_C); | |
menuOption.addSeparator(); | |
//Crear ButtonGroup para los radio button D, E, F | |
ButtonGroup buttonGroup = new ButtonGroup(); | |
JRadioButtonMenuItem jRadioButtonMenuItem_D = new JRadioButtonMenuItem("Opcion D", true); | |
jRadioButtonMenuItem_D.setMnemonic(KeyEvent.VK_D); | |
menuOption.add(jRadioButtonMenuItem_D); | |
buttonGroup.add(jRadioButtonMenuItem_D); | |
JRadioButtonMenuItem jRadioButtonMenuItem_E = new JRadioButtonMenuItem("Opcion E"); | |
jRadioButtonMenuItem_E.setMnemonic(KeyEvent.VK_E); | |
menuOption.add(jRadioButtonMenuItem_E); | |
buttonGroup.add(jRadioButtonMenuItem_E); | |
JRadioButtonMenuItem jRadioButtonMenuItem_F = new JRadioButtonMenuItem("Opcion F"); | |
jRadioButtonMenuItem_F.setMnemonic(KeyEvent.VK_F); | |
menuOption.add(jRadioButtonMenuItem_F); | |
buttonGroup.add(jRadioButtonMenuItem_F); | |
setJMenuBar(jMenuBar); | |
ActionListener menuActionListener = new ActionListener(){ | |
@Override | |
public void actionPerformed(ActionEvent e) { | |
jLabel.setText(e.getActionCommand()); | |
} | |
}; | |
//Agregar ActionListener | |
menuItemNew.addActionListener(menuActionListener); | |
menuItemOpen.addActionListener(menuActionListener); | |
menuItemSave.addActionListener(menuActionListener); | |
jCheckBoxMenuItem_A.addActionListener(menuActionListener); | |
jCheckBoxMenuItem_B.addActionListener(menuActionListener); | |
jCheckBoxMenuItem_C.addActionListener(menuActionListener); | |
jRadioButtonMenuItem_D.addActionListener(menuActionListener); | |
jRadioButtonMenuItem_E.addActionListener(menuActionListener); | |
jRadioButtonMenuItem_F.addActionListener(menuActionListener); | |
} | |
private static void crearGUI() { | |
MenuExample myFrame = new MenuExample(); | |
myFrame.setTitle("javainutil.blogspot.com"); | |
myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); | |
myFrame.setSize(400, 300); | |
myFrame.perpararUI(); | |
myFrame.setVisible(true); | |
} | |
public static void main(String[] args) { | |
crearGUI(); | |
} | |
} |
como hacer un menu en java
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