[Advanced-java] JComboBox and ActionListener

[sbr@xxxxxxxxxxx (Sybille Breunig)]

Try the ItemListener

Hope this helps
Sybille


----- Original Message ----- 
From: "Christian Ribeaud" <Christian.Ribeaud@xxxxxxxxxxxx>
To: <advanced-java@xxxxxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, January 23, 2002 2:15 PM
Subject: [Advanced-java] JComboBox and ActionListener


> Hi,
> 
> I have been having problems with the following code:
> ...
> public static class MyJComboBox extends JComboBox {
>   public MyJComboBox(String[] s) {
>     super(s);
>   }
> 
>   public void setAllItems(String[] s) {
>     removeAllItems();
>     for (int i = 0; i < s.length; i++) {
>       addItem(s[i]);
>     }
>   }
> }
> 
> comboBoxField = new MyJComboBox(new String[]{});
> comboBoxField.addActionListener(new ComboBoxAction());
> 
> private class ComboBoxAction extends AbstractAction{
>   public void actionPerformed(ActionEvent ae){
>     fireComboBoxEvent();
>   }
> }
> 
> protected void fireComboBoxEvent(){
>   MyEvent me = new MyEvent(MyJTextField1.getText(),
>     MyJTextField2.getText(),
>     (String)comboBoxField.getSelectedItem(),
>     this,
>     MyEvent.COMBOBOX,
>     attemptCount);
>   sendMyEvent(me);
> }
> ...
> The event for the JComboBox does not seem to be fired. I registered an
> ActionListener
> the same way for two JTextField and that works. The JComboBox's event
> should be fired
> everytime the user changes the selected item. I would be very grateful
> if someone could 
> help me. Thanks and have a nice day,
> 
> christian
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