# table definition
db.define_table('vehicle',
Field('manufacturer','string'),
Field('name','string'),
Field('vin','string',length=32,unique=True),
Field('year','string'),
Field('colour','string'),
Field('comment','string'),
Field('date','date',default=now),
migrate='vehicle.table',format='%(manufacturer)s %(name)s
%(year)s %(vin)s'
)
# present validator
db.vehicle.vin.requires=[IS_UPPER(),
IS_NOT_IN_DB(db(db.vehicle.vin==request.vars.vin),db.vehicle.vin)]
# I have js function: validate_vin(VIN_NUMBER) that returns True or False
# If I had a form variable "vinOK" I could assign test result to it:
jQuery("#vinOK").val(validate_vin(jQuery("#vehicle_vin").val()))
# then use the enhanced validator
# this is only hypothetical because the form has no variable "vinOK" but it
would be desirable because I could use the functionality of the validator
to show error in the form
db.vehicle.vin.requires=[IS_EXPR(('"True" == "%s"' %
str(request.vars.vinOK)),error_message="VIN not good"),IS_UPPER(),
IS_NOT_IN_DB(db(db.vehicle.vin==request.vars.vin),db.vehicle.vin)]
# A hidden field would be a solution to store the result of the js function
but hidden fields don't seem to work in web2py for security reasons.( That
is my understanding)
# Any solution would be OK as long as I can use validator's functionality
to show error message. Perhaps I do not need the hidden variable at all.
How do I pass VIN test result to the validator? Thanks a lot in advance.
--
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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