Hi,
I was wondering whether it is possible to add Validators to a Tapestry field
(e.g., TextField) at render-time (based on a runtime property)?
More specifically, I'd like to know whether I can avoid doing:
<t:if test="required">
<t:textfield ... validate="a,b,c,required">
<p:else>
<t:textfield ... validate="a,b,c">
</p:else></t:if>
and change it by something like
<t:textfield ... validate="a,b,c${prop:andRequired}" />
with
public String getAndRequired {
if(isRequired())
return ",required";
else
return "";
}
in the page's java source (note: this code does not work).
I already thought of creating a custom 'required' validator, but there seems
to be no way to initialize it. I was thinking of initializing it in the tml
using t:validate="a,b,c,myrequired=${prop:required}", but this also doesn't
seem to work...
Thanks in advance
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