Typically, one sets a FormComponent's ID to match the data model.
My form is generated from data, so the IDs are a recursive set of "fieldFrag",
"list", "blockFrag", "label", "value" and RepeatingView#newChildID().
My data on the other hand is represented by HashMap<String,String>
and CompoundPropertyModel. The keys are generated.
This works fine when my form has a Model before I construct it.
Where each FormComponent is constructed I do this.
new PropertyModel<String>(getDefaultModel(), key);
Anyway, PM doesn't like it when the first arg is null. So I can't support
using setDefaultModel() after the form components are instantiated.
How can I support setDefaultModel() ? ComponentPropertyModel looks
like it might work if it wasn't read only.
Thanks,
-troy
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