Can a Panel or Component react on a form submit without any boilerplate code?

[pa...@mainlan.de]

Hello,

I am currently evaluating Wicket and I am trying to figure out how  
things work.

I have a question regarding form submit and panels (or other  
components). Imagine a custom wicket panel which contains a text  
field, doing as-you-type validation using ajax. This panel is added to  
a form. How can the Panel react a form submit (let's say because  
javascript/ajax is unavailable)?

I am currently only aware of one solution: calling a panel's method  
inside the Form onSubmit() method. But this seems not like a  
"reusable" approach here, because I have to add boilerplate code to  
every form's onSubmit() which contains the panel (and every developer  
which use the panel must know this).

So here comes my question: Is there any way that a Panel/Component can  
"detect" a form submit in some way? Or is there any other solution  
beside this?

Thank you.

Best regards,
Patric



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