hello matthias,
that's right - no magic in here :)
as i mentioned:
there are several possible scenarios and several solutions to solve them.
in my opinion we should provide useful guidelines for all these scenarios
within the documentation.
(if we really classify this behaviour as bug)
regards,
gerhard
2007/12/12, Matthias Wessendorf <[EMAIL PROTECTED]>:
>
> ah,
> so no special magic, to understand :)
>
> On Dec 12, 2007 2:16 PM, Gerhard Petracek <[EMAIL PROTECTED]>
> wrote:
> > hello matthias,
> >
> > my previous message consists of two independent parts:
> > @unselectedLabel
> > and
> > @dynamic items
> >
> > within "@dynamic items" i just provided the sample source code to solve
> the
> > problem of stephen (the question concerning dynamic items).
> >
> > -> the sample source code is not connected with the scenario i mentioned
> > within "@unselectedLabel" (the "discard"-topic).
> >
> > regards,
> > gerhard
> >
> >
> >
> > 2007/12/12, Luka Surija <[EMAIL PROTECTED]>:
> >
> > > I think that this is a good behavior. If there is no unselectedLabel,
> > > then component works as you expected.
> > >
> > > Why do you think that isn't an expected behavior?
> > >
> > > Regards,
> > > Luka
> > >
> > > Matthias Wessendorf wrote:
> > > > this sounds odd to me as well.
> > > >
> > > > I would expect, the unselectedLabel goes away, once there was a
> > selection.
> > > >
> > > > Do you mind to file a bug for this?
> > > >
> > > > -M
> > > >
> > > > On Dec 12, 2007 12:21 PM, Stephen Friedrich < [EMAIL PROTECTED]>
> > wrote:
> > > >
> > > >> Thanks for the answer.
> > > >> So basically you are saying I can't use
> > > >> <tr:selectOneChoice unselectedLabel="Please choose" ...> for this?!
> > > >> As you suggested I can "fake" that label myself, but I wonder
> what's
> > the
> > > >> purpose of the trinidad attribute if it does not do this
> automatically.
> > > >> Part of the problem is that my select items are not hardcoded (are
> they
> > ever
> > > >> in real apps?), but based on a query. So I would have to wrap that
> > query in
> > > >> my backing bean to dynamically add/remove the unselected label. If
> I do
> > that
> > > >> I have to stop using entites (which are automatically converted to
> > select
> > > >> items by seam's s:selectItems), but will have to explicitly create
> > > >> SelectItems. Quite a mess for such a simple feature.
> > > >>
> > > >> The current behaviour seems like a bug to me.
> > > >> Why the heck does trinidad show an "unselected label" if there
> actually
> > _is_
> > > >> a selection?
> > > >>
> > > >>
> > > >>
> > > >> hello,
> > > >>
> > > >> just a sample source code:
> > > >>
> > > >> <tr:selectOneChoice id="selectOne" value="0"
> > > >> valueChangeListener="#{bean.change}" autoSubmit="true"
> > > >> partialTriggers="selectOne" immediate="true">
> > > >> <tr:selectItem label="Please choose" value="0"
> > > >> rendered="#{!bean.valueSelected}"/>
> > > >> <tr:selectItem label="one" value="1"/>
> > > >> <tr:selectItem label="two" value="2"/>
> > > >> </tr:selectOneChoice>
> > > >>
> > > >>
> > > >> within the bean:
> > > >>
> > > >> private boolean valueSelected;
> > > >>
> > > >> public boolean isValueSelected()
> > > >> {
> > > >> return valueSelected;
> > > >> }
> > > >>
> > > >> public void setValueSelected(boolean valueSelected)
> > > >> {
> > > >> this.valueSelected = valueSelected;
> > > >> }
> > > >>
> > > >> public void change(ValueChangeEvent event)
> > > >> {
> > > >> setValueSelected( true );
> > > >> }
> > > >>
> > > >> regards,
> > > >> gerhard
> > > >>
> > > >>
> > > >>
> > > >> 2007/12/12, Stephen Friedrich < [EMAIL PROTECTED]>:
> > > >> I like to show "Please choose" in a selectOneChoice as long as no
> > > >> option has been selected, yet.
> > > >> As soon as the user selects one of the items the label should
> vanish
> > > >> from the list.
> > > >> (autoSubmit is set and the selectOneChoice is partialTrigger for
> > itself.)
> > > >> It really doesn't make any sense to select "Please choose" from
> > > >> the list after having already selected something for real.
> > > >>
> > > >>
> > > >>
> > > >> --
> > > >>
> > > >> http://www.irian.at
> > > >>
> > > >> Your JSF powerhouse -
> > > >> JSF Consulting, Development and
> > > >> Courses in English and German
> > > >>
> > > >> Professional Support for Apache MyFaces
> > > >>
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Luka Šurija
> > > [EMAIL PROTECTED]
> > > +385 98 434 061
> > >
> > > I.Y. tim d.o.o.
> > > www.iytim.hr
> > > [EMAIL PROTECTED]
> > >
> > >
> > >
> >
> >
> >
> > --
> >
> >
> >
> > http://www.irian.at
> >
> > Your JSF powerhouse -
> > JSF Consulting, Development and
> > Courses in English and German
> >
> > Professional Support for Apache MyFaces
>
>
>
> --
> Matthias Wessendorf
>
> further stuff:
> blog: http://matthiaswessendorf.wordpress.com/
> sessions: http://www.slideshare.net/mwessendorf
> mail: matzew-at-apache-dot-org
>
--
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