Hi "sardana"
I did:
- build a patch
- put a veil over palette
- roll out your own "palette", it's pretty simple actually if you
The easiest thing would probably be the latter for you. Just make a palette
(Panel) consisting of 2 buttons, 2 listboxes. And then you should be able to
customise as much as you want.
2010/2/3 dhirajs <sardana_dhi...@rediffmail.com>
>
> Hi,
>
> thanks 'nino' for ur reply.
>
> Actually the thing i want is like :-
> for say, there are 5 available users(a,b,c,d,e) and of these users a and b
> are already selected.
> So, a and b should come as disabled in palette's selected list when palette
> is being displayed to user.
> After that client can move (to and fro )other users(c,d, e) from available
> to selected lists.
>
> Please suggest some solution for above scenario.
>
> I have tried 'getSelectionComponent() ' and than set disable all its
> childern by overriding onBeforeRender method.But that solution does not
> works as children list is null, although there are entries in selection
> list.
>
>
>
>
> nino martinez wael wrote:
> >
> > three solutions:
> >
> >
> > - build a patch
> > - put a veil over palette
> > - roll out your own "palette", it's pretty simple actually if you
> > accept
> > a server side solution (can be done with ajax as well)
> >
> >
> > 2010/2/3 dhirajs <sardana_dhi...@rediffmail.com>
> >
> >>
> >> Hi,
> >>
> >> I want to disable all preselected enteries in 'selected' choice box(so
> >> that
> >> user can't move those choices to available list). Please suggest some
> >> solution.
> >>
> >> I have tried one solution, by overriding inBeforeRender method and in
> >> that
> >> method i've get 'selectedChoicesComponent' and disable all childs, but i
> >> am
> >> getting null for selectedChoicesComponent.
> >>
> >> @Override
> >> protected void onBeforeRender() {
> >> super.onBeforeRender();
> >> Selection<T> selectedChoicesComponent =
> >> (Selection<T>)getSelectionComponent();
> >>
> >> //Just to check, i have disabled 1st child,if it works we can
> >> easliy
> >> disable other childs
> >> selectedChoicesComponent.get(0).setEnabled(false);
> >>
> >> }
> >> getSelectionComponent() - returns null.
> >>
> >>
> >> Thanks,
> >> Dhiraj
> >>
> >> Martin Dietze wrote:
> >> >
> >> > On Fri, December 25, 2009, Martin Dietze wrote:
> >> >
> >> >> I desperately need to find out which entries in a Palette's two
> >> >> Choices components are selected, e.g. to allow additional
> >> >> operations on them using Ajax.
> >> >
> >> > I solved this issue. First of all: currently the AbstractOptions
> >> > class used by Palette does not support accessing this
> >> > information via Ajax because of these lines:
> >> >
> >> > | // A piece of javascript to avoid serializing the options during
> >> AJAX
> >> > | // serialization.
> >> > | getResponse().write(
> >> > | JavascriptUtils.SCRIPT_OPEN_TAG +
> >> > | "if (typeof(Wicket) != \"undefined\" &&
> >> > typeof(Wicket.Form) != \"undefined\")" +
> >> > | " Wicket.Form.excludeFromAjaxSerialization." +
> >> > getMarkupId() + "='true';" +
> >> > | JavascriptUtils.SCRIPT_CLOSE_TAG);
> >> >
> >> > Thus, in order to get this working at all, we'll have to patch
> >> > Wicket. The patch is very simple, we move this code into a
> >> > separate method which can be overridden by derived classes.
> >> > I created an issue for this and attached the patch [1].
> >> >
> >> > Now having applied the patch we proceed as follows.
> >> > First, we need to derive our own Choices and Selection
> >> > components in which we override the above code by an empty
> >> > method, so that we get the selection POSTed at all. Now
> >> > we can override various methods as needed; in my case
> >> > implementing a custom convertInput() method was sufficient,
> >> > so that I could access the currently selected entries in
> >> > the two SELECTs by calling their getConvertedInput() methods
> >> > which seemed the least invasive change and least likely to
> >> > cause any trouble with the Palette's core functionality.
> >> >
> >> > Next, I derived my own custom class from Palette in which
> >> > I needed to override the factory methods for creating the
> >> > Choices and Selection components. Pretty easy in the end.
> >> >
> >> > Cheers,
> >> >
> >> > M'bert
> >> >
> >> > [1]
> >> >
> >>
> https://issues.apache.org/jira/secure/ManageAttachments.jspa?id=12444712
> >> >
> >> > --
> >> > ----------- / http://herbert.the-little-red-haired-girl.org /
> >> > -------------
> >> > =+=
> >> > Perl ist der gegl�ckte Versuch, einen braindump direkt ausf�hrbar zu
> >> > machen. -- Lutz Donnerhacke in dasr
> >> >
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> >> >
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >>
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> >> Sent from the Wicket - User mailing list archive at Nabble.com.
> >>
> >>
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> >>
> >>
> >
> >
>
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