I seem to have confused your data model. How do you get from Post to
Product?
On Fri, Feb 3, 2012 at 1:57 PM, Dan Retzlaff <dretzl...@gmail.com> wrote:
> Hi Sam,
>
> I think your use of Item#setModel() and Component#initModel() are
> unconventional. Try:
>
> populateItem(Item<Post> item) {
> item.add(new ProductPanel("product", item.getModel());
> }
>
> ProductPanel(String id, IModel<Product> model) {
> super(id, CompoundPropertyModel.of(model));
> add(new Label("name"));
> add(new Label("condition"));
> }
>
> On Fri, Feb 3, 2012 at 12:51 PM, Sam Barrow <s...@sambarrow.com> wrote:
>
>> Hi guys,
>>
>> I'm having an issue with property models.
>>
>> I have a DataView running over a number of Post objects. The Post object
>> has a property named "product" with appropriate getter/setter.
>>
>> new DataView<Post>("posts", provider) {
>> protected void populateItem(final Item<Post> item) {
>> item.setModel(CompoundPropertyModel.of(item.getModel()));
>> item.add(new ProductPanel("product"));
>> }
>> }
>>
>> The issue is within ProductPanel. It has a number of labels, each only
>> specifying a name (no model). In my initModel() I am creating a
>> CompoundPropertyModel around super.initModel(). I was expecting it to
>> pull these properties from the model object of my ProductPanel.
>>
>> public class ProductPanel extends GenericPanel<Product> {
>> public ProductPanel(final String id) {
>> add(new Label("name"));
>> add(new Label("condition"));
>> }
>> protected IModel<?> initModel() {
>> return CompoundPropertyModel.of(super.initModel());
>> }
>> }
>>
>> But I get this error: org.apache.wicket.WicketRuntimeException: No get
>> method defined for class: class com.cellcycleusa.domain.Post expression:
>> name.
>>
>> Seems that it's trying to access the Post object from the DataView to
>> pull the property from, not the model object of the ProductPanel itself.
>>
>> Now the really funny part is that if I just add this to ProductPanel,
>> everything works fine:
>>
>> protected void onBeforeRender() {
>> getModel();
>> super.onBeforeRender();
>> }
>>
>> Or if I specify the model objects for the labels within ProductPanel
>> like this:
>>
>> new Label("name", new ComponentPropertyModel<String>("name"))
>>
>> That works as well.
>>
>> What am I doing wrong?
>>
>> --
>>
>> Sam Barrow
>> Squidix IT Services
>>
>>
>>
>>
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>>
>
