Mouselistener erzeugt kein Event in einem Menuitem

[salt]

Hallo,

warum wird die Methode jMenuItemFileOpenMouseClicked nicht aufgerufen, obwohl ein MouseListener dem jMenuItemFileOpen hinzugefügt wurde?

/*
 * menutest.java
 *
 * Created on 11. April 2005, 11:05
 */

package guitest;
import javax.swing.*;
import java.io.*;
/**
 *
 * @author
 */
public class menutest extends javax.swing.JFrame {
    
    /** Creates new form menutest */
    public menutest() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {                          
        jTextArea1 = new javax.swing.JTextArea();
        jMenuBar = new javax.swing.JMenuBar();
        jMenuFile = new javax.swing.JMenu();
        jMenuItemFileOpen = new javax.swing.JMenuItem();
        jMenuItemFileExit = new javax.swing.JMenuItem();
        jMenuSettings = new javax.swing.JMenu();
        jMenuHelp = new javax.swing.JMenu();

        getContentPane().setLayout(new java.awt.GridLayout(2, 1));

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Programtitle");
        getContentPane().add(jTextArea1);

        jMenuFile.setText("File");
        jMenuItemFileOpen.setText("Open");
        jMenuItemFileOpen.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jMenuItemFileOpenMouseClicked(evt);
            }
        });

        jMenuFile.add(jMenuItemFileOpen);

        jMenuItemFileExit.setText("Exit");
        jMenuFile.add(jMenuItemFileExit);

        jMenuBar.add(jMenuFile);

        jMenuSettings.setText("Settings");
        jMenuBar.add(jMenuSettings);

        jMenuHelp.setText("Help");
        jMenuBar.add(jMenuHelp);

        setJMenuBar(jMenuBar);

        pack();
    }                        

    private void jMenuItemFileOpenMouseClicked(java.awt.event.MouseEvent evt) {                                               
        // TODO add your handling code here:
        jFileChooser = new JFileChooser();
        int result = jFileChooser.showOpenDialog(null);
        if(result == jFileChooser.APPROVE_OPTION) {
            File file = jFileChooser.getSelectedFile();
            System.out.println(file.getName());
        }
    }                                              
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new menutest().setVisible(true);
               
            }
        });
    }
    
    // Variables declaration - do not modify                     
    private javax.swing.JMenuBar jMenuBar;
    private javax.swing.JMenu jMenuFile;
    private javax.swing.JMenu jMenuHelp;
    private javax.swing.JMenuItem jMenuItemFileExit;
    private javax.swing.JMenuItem jMenuItemFileOpen;
    private javax.swing.JMenu jMenuSettings;
    private javax.swing.JTextArea jTextArea1;
    // End of variables declaration                   
    private JFileChooser jFileChooser;
}

 

[Sky]

nimm mal anstelle eines MouseListeners einen ActionListener, dann sollte es gehen.

 

[salt]

Danke, funktioniert!