Anyone?
> Before I even start on my questions, lets describe a little bit about what
> i'm doing.
>
> Basically my model has a Region and a School. A School _must_ belong to
> one (and only one) Region. What I am trying to do is create a
> RegionPickList. So that on the School form, you can click a link/image,
> have a window pop up, select/search/etc a Region, Click ok and have the
> correct information populated on the School form. I want to do this on
> many entities, against many entities e.g. a Region has parent Region ( in
> fact I want to do something similar with "multi-valued" associations ).
>
> Now what this looks like at the moment on the form is pretty much
>
> <li>
> <appfuse:label styleClass="desc" key="school.region"/>
> <form:errors path="region" cssClass="fieldError"/>
> <input type="hidden" id="regionId" name="regionId"
> value="${school.region.id}">
> <input type="text" id="regionName" class="text medium"
> disabled="disabled" value="${school.region.name}">
> <a
> href="/regionsPickList.html?valueField=regionId&displayField=regionName"
> target="_blank">Pick</a>
> </li>
>
> ugly, but it works so far.
>
> Now, in the controller
>
> String regionId = request.getParameter("regionId");
> if (regionId != null) {
> try {
> long id = Long.parseLong(regionId);
>
> Region r = regionManager.get(id);
> if (r == null) {
> // really should be returning a error here.
> return new ModelAndView();
> }
> catch (Exception e) {
> //and here
> }
> } else { /* and here */ }
>
> Now what I really want to do ( and hopefully this is obvious by now ) is
> return validation errors.
>
> So far I believe there are actually 2 ways I might possibly do this. One
> is call errors.rejectValues which I have played with and failed, the other
> is to override initBinder and register a binder.
>
> In this case, which would be better to do?
>
> In the first case I have been trying to do
>
> errors.rejectValue("region", getText("errors.required", "school.region",
> request.getLocale()));
> return new ModelAndView().addObject(school);
>
> but this never seems to actually work. Any ideas?
>
> Also it would be nice if I could add the required part of the validation to
> validation.xml. Is that possible? Im not really sure when (or what) the
> validation is run against yet.
>
> Does anyone have a nice overall solution to a issue like this.
>
> Thanks, I look forward to your thoughts and ideas.
>
> Alistair.
>
> ps. Thanks to Matt Raible and everyone else who has created AppFuse. very
> cool, very well done.
> pss. This is my first semi-serious attempt to learn
> Servlets/Jsp/Java/Spring MVC/etc/etc. Please keep that in mind.
>
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