On Tue, Nov 25, 2014 at 11:40 PM, Martin Grigorov <mgrigo...@apache.org>
wrote:

> On Tue, Nov 25, 2014 at 11:33 PM, mscoon <msc...@gmail.com> wrote:
>
> > I don't want to use an IComponentOnBeforeRenderListener as it is an
> > application wide facility whereas what I'm doing applies to a couple of
> > pages only.
> >
> > But you suggestion gave me an idea. I am now using a behavior which I add
> > to all form components in ListView#populateItem(). The behavior marks the
> > components as invalid in onConfigure() which comes before
> onBeforeRender()
> > and hence before the IComponentOnBeforeRenderListener.
> >
> > The problem with this solution is that this code is much more complicated
> > than what I was doing originally. Now I have to put the validation errors
> > in a transient field which is set in the form's onConfigure() method, and
> > use this field to retrieve the errors from within Behavior#onConfigure().
> > What I tried to do originally was much cleaner, the model object was
> > validated and the components invalidated from within a single method.
> >
> >
>
> > It does seem like AbstractRepeater should have a postOnPopulate() method
> to
> > allow client code to access the created components before
> onBeforeRender()
> > is executed, don't you think?
> >
>
> You can use populateItem() for this, no ?
>


​Not all of them at once, no. You only get to access the components within
a single ​ListItem.

But as we talk about it I see now that this is a very specific and limited
use case, probably not worth considering changes to wicket for this.

Thanks for your time!

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