I like it :-) But I'm also running into problems... how do you get
data to populate subwidgets? I'm trying to create a Date widget with
dropdown lists for days, months, and years similar to the one I created
here: http://www.eborger.no/hifm/login.html (feel free to play around,
it's written in php but should still be pretty solid ;-). What I did
there was update the selection widgets from post data, and when all of
them had values selected update a hidden field with the text version of
the value.
Here's what I've got so far:
First a quick-n-dirty select widget:
from django.newforms import *
from django.utils.html import escape
from datetime import date
def flatten(d):
return u' '.join('%s="%s"' % (k, escape(v)) for k, v in d.items())
class SelectWidget(Widget):
def __init__(self, options, selected=None):
super(SelectWidget, self).__init__()
self.options = options
self.selected = selected
def render(self, name, value, attrs=None):
if value is not None:
self.selected = value
final_attrs = dict(self.attrs, name=name)
if attrs:
final_attrs.update(attrs)
res = u'<select %s>' % flatten(final_attrs)
for option in self.options:
if option == self.selected:
res += u'<option selected value="%s">%s</option>' %
(option, option)
else:
res += u'<option>%s</option>' % option
res += u'</select>'
return res
then for the date widget. At the point marked HERE I need data that I
don't seem to be able to access...?
class MyDateWidget(Widget):
def render(self, name, value, attrs=None):
if value is None or value == '':
value = ''
d = POST[name+u'_day'] # <=== HERE
m = POST[name+u'_month']
y = POST[name+u'_year']
else:
d,m,y = value.split('/')
days = SelectWidget(range(1,32))
months = SelectWidget(range(1,12))
year = SelectWidget(range(2000, 2007))
slash = u' / '
res = '<input type=hidden value="%s" />' % value
res += days.render(name+u'_day', d)
res += slash
res += months.render(name+u'_month', m)
res += slash
res += year.render(name+u'_year', y)
return res
Did I miss something?
I also wrote up what I got from reading the code and tests at
http://blog.tkbe.org/archive/django-looking-at-newforms/
-- bjorn
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