(note: this hasn't been changed since before T3, so you may want to change line 3 in web2conf/models/db.py to:
from applications.t3.modules.t2 import T2, COUNTRIES before you run it locally. Regards, Yarko On Sun, Dec 14, 2008 at 6:11 PM, Yarko Tymciurak <[email protected]> wrote: > ummm.... you might try the "easy" way - > add something like: > > db.tablename.field.comment=T('(required)') > > Take a look at how Massimo does this (and how it looks) in the regstration > form for PyCon Registration - > > http://launchpad.net/web2conf > > Regards, > Yarko > > On Sun, Dec 14, 2008 at 5:28 PM, Fran <[email protected]> wrote: > >> >> I want to be able to flag to the user that certain input fields are >> 'Required' (even before they hit 'Submit' & see the form failing to >> validate) >> >> To do this I decided to try & create a widget that would append to the >> normal INPUT box a SPAN(_class="req"). >> I can then use CSS/JS to populate that span with a red asterisk (but >> keep it cutomisable by designers, if they wish). >> >> I followed the instructions here: >> http://mdp.cti.depaul.edu/AlterEgo/default/show/170 >> >> Copying the default from sqlhtml.py +125, I added this widget to my >> customised T2 class: >> def input_required_widget(field,value): >> items=[DIV(INPUT(_type='text', >> _id=field_id,_class=field.type,_name=fieldname,value=str >> (default),requires=field.requires),SPAN(_class='req'))] >> return DIV(*items) >> >> I then added this to my model: >> db.cr_shelter.name.widget=t2.input_required_widget >> >> This gives the following error: >> Traceback (most recent call last): >> File "C:\Bin\web2py\gluon\restricted.py", line 62, in restricted >> exec ccode in environment >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 78, >> in <module> >> File "C:\Bin\web2py\gluon\globals.py", line 55, in <lambda> >> self._caller=lambda f: f() >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 40, >> in add_shelter >> form=t2.create(db.cr_shelter) >> File "C:\Bin\web2py\applications\sahana\modules\t2.py", line 414, in >> create >> showid=False,col3=col3,_class='t2-create') >> File "C:\Bin\web2py\gluon\sqlhtml.py", line 89, in __init__ >> inp=field.widget(field,default) >> TypeError: input_required_widget() takes exactly 2 arguments (3 given) >> >> >> I searched around to see if there were other docs & found this: >> >> http://groups.google.com/group/web2py/browse_thread/thread/961d4303a7549241/a9d19abdfa4b6a07 >> >> I tried bypassing the module & just put in a simple: >> db.cr_shelter.name.widget=lambda self,value: DIV(INPUT >> (_type='text'),SPAN(_class='req')) >> >> This displays correctly, but doesn't allow entered data to get stored >> in the db, presumably because the id isn't set on the field. >> >> I tried to add all the fields in: >> db.cr_shelter.name.widget=lambda self,value: DIV(INPUT(_type='text', >> _id=field_id,_class=field.type,_name=fieldname,value=str >> (default),requires=field.requires),SPAN(_class='req')) >> >> But then I get a scope problem: >> Traceback (most recent call last): >> File "C:\Bin\web2py\gluon\restricted.py", line 62, in restricted >> exec ccode in environment >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 78, >> in <module> >> File "C:\Bin\web2py\gluon\globals.py", line 55, in <lambda> >> self._caller=lambda f: f() >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 40, >> in add_shelter >> form=t2.create(db.cr_shelter) >> File "C:\Bin\web2py\applications\sahana\modules\t2.py", line 414, in >> create >> showid=False,col3=col3,_class='t2-create') >> File "C:\Bin\web2py\gluon\sqlhtml.py", line 89, in __init__ >> inp=field.widget(field,default) >> File "C:\Bin\web2py\applications\sahana/models/db.py", line 517, in >> <lambda> >> db.cr_shelter.name.widget=lambda self,value: DIV(INPUT >> (_type='text', _id=field_id,_class=field.type,_name=fieldname,value=str >> (default),requires=field.requires),SPAN(_class='req')) >> NameError: global name 'field_id' is not defined >> >> >> I changed my model to: >> db.cr_shelter.name.widget=lambda self,value: t2.input_required_widget >> >> This gives no traceback, but instead of an INPUT box, I get the >> following: >> <bound method T2SAHANA.input_required_widget of >> <applications.sahana.modules.sahana.T2SAHANA instance at >> 0x04291698>> >> >> Trying: >> db.cr_shelter.name.widget=lambda self,value: t2.input_required_widget >> ('name') >> >> I'm back to the scope issue: >> Traceback (most recent call last): >> File "C:\Bin\web2py\gluon\restricted.py", line 62, in restricted >> exec ccode in environment >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 78, >> in <module> >> File "C:\Bin\web2py\gluon\globals.py", line 55, in <lambda> >> self._caller=lambda f: f() >> File "C:\Bin\web2py\applications\sahana/controllers/cr.py", line 40, >> in add_shelter >> form=t2.create(db.cr_shelter) >> File "C:\Bin\web2py\applications\sahana\modules\t2.py", line 414, in >> create >> showid=False,col3=col3,_class='t2-create') >> File "C:\Bin\web2py\gluon\sqlhtml.py", line 89, in __init__ >> inp=field.widget(field,default) >> File "C:\Bin\web2py\applications\sahana/models/db.py", line 520, in >> <lambda> >> db.cr_shelter.name.widget=lambda self,value: >> t2.input_required_widget('name') >> File "C:\Bin\web2py\applications\sahana\modules\sahana.py", line >> 163, in input_required_widget >> NameError: global name 'field_id' is not defined >> >> This also happens even if I remove that global from my widget def: >> items=[DIV(INPUT >> (_type='text',_class=field.type,_name=field.name >> ,value=value,requires=field.requires),SPAN >> (_class='req'))] >> >> I'm not sure why there's a scope issue since my custom T2 has this >> line: >> from gluon.sqlhtml import * >> >> >> >> Searching some more: >> >> http://groups.google.com/group/web2py/browse_thread/thread/8f4ac3eb42b599f2/692bef480d3d5df9 >> >> I tried this: >> db.cr_shelter.name.widget=lambda a,b: t2.input_required_widget(a,b, >> ['name']) >> No joy: >> TypeError: input_required_widget() takes exactly 2 arguments (4 given) >> >> I see that this widget has 3 arguments in it's def: (self,value,tags= >> []) >> >> Since we only have 2, I tried: >> db.cr_shelter.name.widget=lambda self,value: t2.input_required_widget >> (self,value) >> No joy: >> TypeError: input_required_widget() takes exactly 2 arguments (3 given) >> >> >> Going back to trying to fix the scope, I tried having this in the >> widget def: >> _id=gluon.sqlhtml.field_id >> No joy: >> NameError: global name 'field_id' is not defined >> >> Trying to see how T2's widgets deal with this I tried adding this to >> the widget def: >> field_id=self._tablename+'_'+self.name >> No joy: >> NameError: global name 'field_id' is not defined >> >> >> I really need a helping hand here ;) >> >> Many thanks, >> Fran. >> >> >> > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. 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