What decided when a script (chosen.js) is loaded in the head?

[Marvin_Martiano]

Possibly an obtuse question, but:

In my profile plugin, I have an obligatory dropdown for country. When logged on and looking at the profile, this is nicely calling chosen.min.js as well as chosen.css --- but chosen.js isn't called on the registration page (which makes the dropdown both ugly and glitchy in my case). And other pages without dropdowns (correctly) aren't loading it either.

[This is mostly a problem on FireFox, because the non-Chosen dropdown works well on e.g. Chrome and Safari; but any number of not-yet-tested browsers may be a problem.]

So, what's the big difference between edit-profile.php and registration.php that the one triggers inclusion chosen.js and the other doesn't? Or between their default.php templates? Or am I looking in totally the wrong corner -- has it something to do with a lack of initial value not triggering on the registration page?

All the best,
M

[Michael Babker]

You're missing a call to JHtml::_('formbehavior.chosen');

If your script relies on Chosen being loaded, you should call that to ensure it is loaded versus relying on other parts of the system to do it for you.

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[Marvin_Martiano]

Thanks so much! That was indeed it, it worked immediately with:  JHtml::_('formbehavior.chosen', 'select');

I had been searching in the wrong place and gave up before posting: I thought the "head"-php was inserting the scripts, so searched through that code and didn't see it; then searching for "chosen.js" across the joomla filesystem gave only two matches, while "chosen" I stopped after 800+ were found... Then GREP for "chosen" and "js" on the same line also no dice. I stupidly kept looking for "chosen"+"js" in all the files I had touched...

 If I'd just searched "chosen" alone, I would have found the line in my template's override of the profile editing view but not the registration view...

Actually, should I submit this as a possible bug: The default com_users/views has in /profile/tmpl/edit.php the "formbehavior.chosen"-line, but /registration/tmpl/default.php does not. I'd think either both or neither should have this line included? Most other differences between the two are cosmetic, plus /edit.php allows two-factor authentication, but only one of the two checks the user's language.

Thanks again,
M