Just to clarify: I believe display() would fire all the display
processing-related listeners.
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Team NetDynamics
> -----Original Message-----
> From: Hill, Les [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, June 30, 1999 2:10 PM
> To: 'Troy Mckinnon'; 'ND'; 'ND4 Group'; 'ND5 (OF)'
> Subject: Re: [ND5] [ND] Overriding an event
>
> Troy,
>
> I think your problem is in the expectation that this method:
>
> // This event does not register at all.
> public int onBeforeDisplayEvent(CSpDisplayEvent event)
> throws CSpSkipException , CSpStopException {
>
> will be automagically fired. To get onBeforeDisplayEvent(CSpDisplayEvent
> event) fired by the framework you need to have a class that implements
> ISpDisplayListener, place the method in that class, and then register with
> the appropriate object by using addDisplayListener(). With your
> subclassed
> object this shouldn't be very difficult to get running.
>
> Another (less elegant IMO) approach would be to shortcut the entire scheme
> by overriding the display() method and doing your own thing -- please be
> aware that it is the button object that is responsible for firing ALL
> listeners on the button+, including the display and html output listeners
> which are more than likely done in the display() method making overriding
> the display() method a matter for caution.
>
> + I haven't verified this, but I believe it to be true.
>
> [EMAIL PROTECTED]
> Team NetDynamics
>
> > -----Original Message-----
> > From: Troy Mckinnon [SMTP:[EMAIL PROTECTED]]
> > Sent: Wednesday, June 30, 1999 12:59 PM
> > To: 'ND'
> > Subject: [ND] Overriding an event
> >
> > Hey all,
> >
> > I have a question regarding event overriding:
> >
> > I am trying to add some functionality to the onBeforeDisplayEvent of a
> > button.
> >
> >
> > Fin code below:
> >
> > public class testButton extends CSpButton
> >
> > {
> > public int init()
> > {
> > enableEvents (CSpEvent.DISPLAY_EVENT_MASK);
> > return super.init();
> > }
> >
> > protected void processDisplayEvent(CSpDisplayEvent event) throws
> > CSpSkipException , CSpStopException
> > {
> > int command=PROCEED;
> >
> > if (event.getId () == CSpDisplayEvent.ON_BEFORE_DISPLAY_EVENT ) {
> > // I would rather do this with the setVisible(false) method but it won't
> > work here.
> > if(dontShowMe)
> > throw new CSpSkipException ();
> > }
> > super.processDisplayEvent(event);
> > }
> >
> > // Why can't I add actions to the event by including it here in the
> > superclass??
> > // This event does not register at all.
> > public int onBeforeDisplayEvent(CSpDisplayEvent event)
> > throws CSpSkipException , CSpStopException {
> > CSpHtml.sendMessage("<br>---onBeforeDisplayEvent-----");
> > Object src = event.getSource();
> > return myMethod((CSpButton)src);
> > }
> >
> >
> > protected int myMethod(CSpButton bt) throws CSpSkipException
> > if(doIt)
> > {
> > CSpHtml.sendMessage("<br>Security Event<br>");
> > throw new CSpSkipException();
> > }
> > return PROCEED;
> > }
> >
> >
> > }
> >
> >
> >
> > --------------------
> >
> > I would really appreciate any comments or advice...
> >
> >
> > Thanks
> >
> > Troy
> >
> > Troy McKinnon
> > Technical Team Leader
> > Integrated Quality Management System
> > Nortel Networks - GHCT (Dept. 1J11)
> > (613) 765-7685 or ESN (395) 7685
> >
> >
> _________________________________________________________________________
> >
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> >
> > For dire need help, email: [EMAIL PROTECTED]
> ________________________________________________________________________
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