🚀 go-pugleaf

when trying to use some of the member functions of the jdbnavcombobox
(editorcomponent related?)
an exception occurs.

AppAccelerator(tm) 1.2.010 for Java (JDK 1.2), x86 version.
Copyright (c) 1997-1999 Inprise Corporation. All Rights Reserved.
java.lang.InternalError: Cannot use this method with a non-Mutable data
model.
        at
javax.swing.JComboBox.checkMutableComboBoxModel(JComboBox.java:506)
        at javax.swing.JComboBox.removeAllItems(JComboBox.java:489)
        at untitled4.Applet1.jbInit(Applet1.java:84)
        at untitled4.Applet1.init(Applet1.java:38)
        at sun.applet.AppletPanel.run(Compiled Code)
        at java.lang.Thread.run(Compiled Code)

i cant use the textfields functions since it havent got a removeallitems()
function
please help...
is this a bug in the language, what good is a component without decent
eventhandling?


"Ren� Thomsen" <rtNOSPAM@bankinvest.dk> wrote in message
news:8fooi3$3vn4@bornews.borland.com...
> it works!
> that is some nice headprogrammering!
>
> mainframe
>
> "Paul Furbacher [TeamB]" <pnf@home.com> wrote in message
> news:391C19C5.3396C61C@home.com...
> > Forum Borland wrote:
> > >
> > > when using a swing jdbNavcombobox i want to use some events attached
to
> the
> > > this component.
> > > the keylistener events Keypressed,keyTyped, keyReleased Dont fire when
> > > typing in the box.
> > > i have tried making my own eventhandlers (keylistener) and adding it
to
> the
> > > jdbnavcombobox, since components can fire events to several
> eventhandlers
> > > but that dont work either.
> > >
> > > maybe swing overides the event somehow since its used in the
> functionality
> > > of the component or????
> >
> > My guess is that since JComboBox, from which JdbNavComboBox extends (via
> > another class or two), is a compound component, consisting of an editor
> > and a list (did I forget something else?), you have to reach into
> > this compound component and add listeners to the desired component.
> >
> > In this case, it would be the editor.  So, you'd write something like
> > the following (I might be a little off since I don't have a Swing
> > reference in front of me):
> >
> >   // given a JdbComboBox cb
> >
> >   JTextField tf = (JTextField)cb.getEditor().getEditorComponent();
> >   tf.addMouseListener(new java.awt.event.MouseAdapter() {...});
> >   tf.addKeyListener(...);
> >
> >
> > Paul Furbacher (TeamB)
>
>