I've done some more investigating and the problem is that the <h:selectOneMenu>
value property (which is #{customerHome.instance.customerType}) is passed to
the BasicEntityConverter, and that customerHome.instance.customerType holds a
new instance of CustomerType which doesn't have any fields set.
The issue seems to stem from the seam-gen generated entity home code:
@Name("customerHome")
| public class CustomerHome extends EntityHome<Customer> {
|
| @In(value = "#{customerTypeHome.instance}", required = false)
| CustomerType customerType;
| @In(value = "#{refCustomerStatusHome.instance}", required = false)
| RefCustomerStatus refCustomerStatus;
|
| public void setCustomerId(Integer id) {
| setId(id);
| }
|
| public Integer getCustomerId() {
| return (Integer) getId();
| }
|
| @Override
| protected Customer createInstance() {
| Customer result = new Customer();
| result.setCustomerType(customerType);
| result.setRefCustomerStatus(refCustomerStatus);
| return result;
| }
|
| public List<Activity> getActivities() {
| return getInstance() == null ? null : new ArrayList<Activity>(
| getInstance().getActivities());
| }
|
| }
|
Do I need to change the seam-gen generated code (i.e. is it incorrect)? (I
presume I do if the BasicEntityConverter doesn't convert a null id to whatever
is required for the "no item selected" item in the drop down list to be
selected.
What value for #{customerHome.instance.customerType} in (<h:selectOneMenu>
value property) would cause my drop down to correctly have the "Please
Select..." (no item selected) item selected when the page is displayed? Should
my CustomerHome createInstance() method instead be setting the customerType
to null rather than #{customerTypeHome.instance}???
Any help would be really appreciated as I'm struggling to get my code working
with <h:selectOneMenu> & <si:selectItems> and none of the examples are really
helping to clarify things...
Thanks in advance,
Lawrie.
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