Great idea, it was corrected.
Thanks.
On Fri, Dec 19, 2008 at 10:17 AM, Joe123 --- <jpe...@hotmail.com> wrote:
>
> Hi,
>
> Thanks for your answer. I forgot to add the
> public void onPrepare() and therefore the list was empty.
>
> Thanks.
>
> One addition for the tapestry wiki page.
>
> I think it is better to replace:
> String accessActualName = transformation.addField(Modifier.PRIVATE,
> "org.apache.tapestry5.ioc.services.PropertyAccess", "_access");
> into:
> String accessActualName = transformation.addField(Modifier.PRIVATE,
> PropertyAccess.class.getName(), "_access");
>
> So we use no hardcoded package names.
>
>
>
> > Joe,
> >
> > There were some errors on the wiki page and I've already corrected it,
> but
> > was nothing related with this problem.
> > I can't reproduce it here, can you show some more of your code so I can
> test
> > it here?
>
> > >
> > > I have been debugging and noticed that the failure is in the
> > > GenericValueEncoder.toValue method
> > > The idFieldAdapter property is null and therefore it can't find a
> match.
> > >
> > > And why is the idFieldAdapter null?
> > > Because in the constructor(see below), the list parameter was null
> after
> > > submitting the form.
> > > Do I need to persist my List of objects? I don't want this....
> > > And I think the example on the wiki doesn't work as well.
> > >
> > > Does anyone had this error earlier?
> > >
> > >
> > > public GenericValueEncoder(List<T> list, String idField, PropertyAccess
> > > access) {
> > > if (idField != null && !idField.equalsIgnoreCase("null")) {
> > > if (list.size() > 0) {
> > > this.idFieldAdapter =
> > > access.getAdapter(list.get(0).getClass()).getPropertyAdapter(idField);
> > > }
> > > }
> > > this.list = list;
> > > }
> > >
> > > > Hello
> > > >
> > > > I use the select component with the @InjectSelectionModel annotation
> as
> > > described here:
> > > > http://wiki.apache.org/tapestry/Tapestry5AnotherSelectWithObjects
> > > >
> > > > <select t:type="select" t:id="categorySelect"
> > > model="categoriesSelectionModel" encoder="categoriesValueEncoder"
> > > value="selectedCategory" />
> > > >
> > > > The select is nicely loaded with categories. Next I submit the form
> and I
> > > notice that the setSelectedCategory method is called. But it prints
> > > "setSelectedCategory: null"
> > > > See below for some the corresponding java code. What am I doing
> wrong?
> > > Why is the selectedCategory null, after I have selected a category and
> > > submitted the form?
> > > >
> > > > @InjectSelectionModel(labelField = "name", idField = "id")
> > > > @Property
> > > > private List<Category> categories = new ArrayList<Category>();
> > > >
> > > > @Persist
> > > > private Category selectedCategory;
> > > >
> > > > public void setSelectedCategory(Category selectedCategory) {
> > > >
> > > > System.out.println("setSelectedCategory: " + selectedCategory);
> > > >
> > > > this.selectedCategory = selectedCategory;
> > > >
> > > > }
> > > >
> > > > public Category getSelectedRootCategory() {
> > > > return selectedRootCategory;
> > > > }
> > > >
> > > >
> > > >
> > > > _________________________________________________________________
> > > > More than messages–check out the rest of the Windows Live™.
> > > > http://www.microsoft.com/windows/windowslive/
> > >
> > > _________________________________________________________________
> > > Show them the way! Add maps and directions to your party invites.
> > > http://www.microsoft.com/windows/windowslive/events.aspx
> >
> >
> >
> >
> > --
> > Atenciosamente,
> >
> > Marcelo Lotif
> > Programador Java e Tapestry
> > FIEC - Federação das Indústrias do Estado do Ceará
> > (85) 3421-5910
>
> _________________________________________________________________
> Drag n' drop—Get easy photo sharing with Windows Live™ Photos.
>
> http://www.microsoft.com/windows/windowslive/photos.aspx
--
Atenciosamente,
Marcelo Lotif
Programador Java e Tapestry
FIEC - Federação das Indústrias do Estado do Ceará
(85) 3421-5910
