Setting options in IS_IN_SET() as links to pages with more links

[mostwanted]

Hi guys, is it possible to set options in the IS_IN_SET() validator as links to pages with more links related to the ones in the validator?

I have a table that registers students, the requirements for the app are that all progams should be available for selection in the form field of Program_of_Study in a dropdown format, the problem is that they are too many, waaay too many to be listed in a dropdown, so I was wondering if i could have levels (Certificate, Diploma, Degeree, Masters, PhD) in the IS_IN_SET() validator but as links & when someone selects Diploma it re-directs them to a page of Diploma programs allowing them to select the program they want by clicking on it & then getting redirected back again to the form to complete the form, something like below

Code Example in the MODEL

db.define_table('links',
                Field('name', requires=IS_IN_SET([('certificate', _href=URL('default', 'certificate_programs')), ('diploma', _href=URL('default', 'diploma_programs')), ('degree', _href=URL('default', 'degree_programs'))], zero='---Select Level of Study---')))

If the above is not possible at all whats an alternative to solving my challenge (With examples please ☺)

Regards;

Mostwanted

[AGRogers]

I solved the challenge of having too many options  by using the multiselect option recommended in the book.

http://web2py.com/books/default/chapter/29/07#IS_IN_SET-and-Tagging (http://loudev.com/)

"We strongly suggest using the jQuery multiselect plugin to render multiple fields."

It's designed for multiselect obviously but i don't see why it  couldn't be adjusted to be used as a nice way of searching for and selecting a single option.

If the above is not possible at all whats an alternative to solving my challenge (With exaples please &#128522)

Regards;

Mostwanted

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[mostwanted]

Great stuff @ AGRogers

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