Thorsten Mauch wrote:
> Hi
> I have a form that have some widget that's are hided by default (additional
> delivery address). If the user choose the to enter the additional delivery
> address, then the widgets are shown and become mandatory. For that reason it
> try to change the required attribute from flow script, but I get the error:
>
> java.lang.IllegalStateException: Attempt to modify an immutable
> WidgetDefinition
>
> I called:
> form.lookupWidget("deliveryaddress_street").getFieldDefinition().setRequired
> (true);
What version of Cocoon are you using? As of 2.1.8 you can set the
required state of a field instance directly:
form.lookupWidget("deliveryaddress_street").setRequired(true);
But if you're using widget states to show/hide the fields then you
shouldn't have to toggle the required state; if a field is set to
required="true" and state="invisible" then it should not fail validation.
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