http://web2py.com/books/default/chapter/29/07/forms-and-validators#Conditional-fields
On Monday, February 8, 2016 at 8:50:40 PM UTC-5, Ron Chatterjee wrote:
>
> Wondering if there is a way to keep certain fields within a table be
> hidden based on checkbox entry in a field. For example, in the table below,
> I would like the Budget field to be hidden until someone click on weekly
> checkbox in frequency field. In other words, Budget fields doesn't show up
> initially till someone click on weekly checkbox and then the field become
> readable and writable. Possible?
>
> db.define_table("shopping",
> Field("Description", "text", label='Summary
> Description*',requires=IS_NOT_EMPTY(),default=None,widget=lambda f,v:
> SQLFORM.widgets.text.widget(f, v, _placeholder='Write few things to
> summarize your posing. For job or a project. ')),
> Field('frequency',
> type='list:string',requires=IS_IN_SET(('Sometime','few time','All the
> time', 'weekly'), multiple=True),widget=lambda field, value:
> SQLFORM.widgets.checkboxes.widget(field, value, style='divs', label=True,
> _class='horizontal')),
> Field("Budget", "integer", label='Budget', default=None),
> auth.signature)
>
>
>
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