Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. 

 public BasicComboBoxEditor() 
{
        editor = createEditorComponent();
}

 public  void addActionListener(ActionListener l) 
{
        editor.addActionListener(l);
}

 protected JTextField createEditorComponent() 
{
        JTextField editor = new BorderlessTextField("",9);
        editor.setBorder(null);
        return editor;
}

Creates the internal editor component. Override this to provide a custom implementation.

 public  void focusGained(FocusEvent e) 
{

}

 public  void focusLost(FocusEvent e) 
{

}

 public Component getEditorComponent() 
{
        return editor;
}

 public Object getItem() 
{
        Object newValue = editor.getText();
        if (oldValue != null && !(oldValue instanceof String))  {
            // The original value is not a string. Should return the value in it's
            // original type.
            if (newValue.equals(oldValue.toString()))  {
                return oldValue;
            } else {
                // Must take the value from the editor and get the value and cast it to the new type.
                Class cls = oldValue.getClass();
                try {
                    Method method = cls.getMethod("valueOf", new Class[]{String.class});
                    newValue = method.invoke(oldValue, new Object[] { editor.getText()});
                } catch (Exception ex) {
                    // Fail silently and return the newValue (a String object)
                }
            }
        }
        return newValue;
}

 public  void removeActionListener(ActionListener l) 
{
        editor.removeActionListener(l);
}

 public  void selectAll() 
{
        editor.selectAll();
        editor.requestFocus();
}

 public  void setItem(Object anObject) 
{
        if ( anObject != null )  {
            editor.setText(anObject.toString());
            oldValue = anObject;
        } else {
            editor.setText("");
        }
}

Sets the item that should be edited.