setting and reading a JS variable from Wicket?

[infiniter <in...@gmail.com>]

I've got simple wizard implemented as a JS slider. In some steps there is a
skip button and in the last step you can save the data. So this is actually
just a form with controls in every slide, and the data in the steps that
were skipped must not be saved when submitting the form.
What I wanna do is to set up a flag when the skip button is clicked and
check it when submitting the form. So how can I accomplish this without
using Ajax or workarounds like creating a hidden field and setting it a
value when the skip button is clicked?
So basically I want to avoid an unnecessary trips to server via Ajax or
extra fields in the form.

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Re: setting and reading a JS variable from Wicket?

[anantasthana <an...@gmail.com>]

You can pass variables to wicket using 
wcall
like:
var wcall =
wicketAjaxGet('${url}'+'?&lat='+p.coords.latitude.toFixed(2)+'&lon='+p.coords.longitude.toFixed(2));

now in my wicket web page i have a AbstractDefaultAjaxBehavior which
receives this value 

i am embedding this url for the AbstractDefaultAjaxBehavior
using 

vars.put("url",geo.getCallbackUrl().toString());
add(TextTemplateHeaderContributor.forJavaScript(MasterPage.class,"setLocation.js",Model.valueOf(vars)));

where vars is a hashmap.

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