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From J B <moa...@gmail.com>
Subject Re: <a xlink:href .../> not working properly
Date Mon, 23 Jan 2006 13:55:53 GMT
Thanks for the information Tom.  I really appreciate it.  I will have my
team try out your suggestions today.

Birch

On 1/22/06, thomas.deweese@kodak.com <thomas.deweese@kodak.com> wrote:
>
> Hi Birch,
>
> J B <moatas@gmail.com> wrote on 01/20/2006 01:22:59 PM:
>
> > Here is a test case.  We are attaching dom eventlisteners to objects to
> handle
> > popup menus.  there seems to be some wierdness when dom events and
> xlink:
> > href's are combined.
>
>    Actually the problem is the toggling of 'display' on the 'a' element.
>
> > To recreate the error, right click on the black box, the
> > click the little box in the lower right hand corner.  The first time you
> click
> > it, it will fire one openLink() call.  The second, it will ifre two and
> so on.
>
>    So I have a fix for this part of this, however it 'breaks' your
> example.
> Because you 'undisplay' the 'a' element in the 'capture' phase before the
> click get's to the 'a' element.  The fix unregisters the click listener
> when
> the element becomes undisplayed.  I may look at other ways to manage this
> in
> the future as this 'feels' a little odd, but I doubt there is anything to
> say
> that this is truly wrong - doing things during capture is likely to lead
> to
> 'strangeness'.
>
>    There are two main work around for this:
>         1) move your undisplay code to the 'bubble' phase.
>         2) switch to toggling visibility rather than display.
>
> > Am I doing something stupid?
> >
> > Thanks!
> >
> > Birch
>
> > On 1/20/06, thomas.deweese@kodak.com < thomas.deweese@kodak.com> wrote:
> > Hi Birch,
> >
> >         Can you provide a small reproducible test case?
> >
> > J B <moatas@gmail.com> wrote on 01/19/2006 09:18:58 PM:
> >
> > > That's the confusing thing.  I am not calling addListener at all.  I
> > simply
> > > extended SVGUserAgentAdapter and overrode the openLink method.  I am
> > assuming
> > > the adding of event handlers is done underneath somewhere.
> > >
> > > Birch
> >
> > > On 1/19/06, Andrew Plotkin < erkyrath@eblong.com> wrote:
> > > On Thu, 19 Jan 2006, J B wrote:
> > >
> > > > I am seeing that openLink() is being called more than once when a
> link
> > is
> > > > clicked.  The first time it is clicked, the method is called once.
> THe
> > > > second time it is called twice.  The third time it is called three
> > times and
> > > > so on.
> > > >
> > > > Anyone else see this?  I am simply extending SVGUserAgentAdapter and
> > > > overriding openLink().
> > >
> > > It sounds like you're calling an addListener routine once per link
> > click,
> > > when you should be calling it just once overall.
> > >
> > > --Z
> > >
> > > --
> > > "And Aholibamah bare Jeush, and Jaalam, and Korah: these were the
> > borogoves..."
> > > *
> > > 9/11 did change everything. Since 9/12, the biggest threat to American
> > > society has been the American president. I'd call that a change.
> > >
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> > [attachment "eventTest.xml" deleted by Thomas E. DeWeese/449433/EKC]
> > [attachment "TestEvents.java" deleted by Thomas E. DeWeese/449433/EKC]
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