- Author:
- alfonsopalomares
- Posted:
- March 17, 2009
- Language:
- Python
- Version:
- 1.0
- Score:
- 1 (after 1 ratings)
This code creates a widget that we used to generate a list of radiobuttons as follows:
-
Radio button 1 --Widget__1
-
Radio button 2 --Widget__2
-
Radio button 3 --Widget__3
How to use it is:
`ImagenForm class (forms.ModelForm): widget1 = forms.BooleanField () widget2 = forms.TextInput widget3 = forms.ModelChoiceField (queryset = Modelo.objects.all ()) widget4 = forms.FileInput
optConListas = ChoiceWithOtherField (choices = [(2, 'widget1' widget1), (3, 'widget2' widget3.widget), (4, "widget2" widget2), (5, 'widget4' widget4)])`
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | class ChoiceWithOtherRenderer(forms.RadioSelect.renderer):
def __init__(self, *args, **kwargs):
super(ChoiceWithOtherRenderer, self).__init__(*args, **kwargs)
def __iter__(self):
for input in self.choices:
id = '%s_%s' % (self.attrs['id'], input[0]) if 'id' in self.attrs else ''
label_for = ' for="%s"' % id if id else ''
checked = '' if not force_unicode(input[0]) == self.value else 'checked="true" '
html = '<label%s><input type="radio" id="%s" value="%s" name="%s" %s/> %s</label> %%s' %
(label_for, id, input[0], self.name, checked, input[1])
yield html
class ChoiceWithOtherWidget(forms.MultiWidget):
def __init__(self, choices):
widgets = [forms.RadioSelect(choices=choices, renderer=ChoiceWithOtherRenderer),]
for choice in choices:
widgets.append(choice[2])
super(ChoiceWithOtherWidget, self).__init__(widgets)
def decompress(self, value):
if not value:
return [None, None]
return value
def format_output(self, rendered_widgets):
render = []
for widget in rendered_widgets[1:]:
render.append(widget)
render = tuple(render)
return rendered_widgets[0] % render
class ChoiceWithOtherField(forms.MultiValueField):
def __init__(self, *args, **kwargs):
fields = [
forms.ChoiceField(widget=forms.RadioSelect(renderer=ChoiceWithOtherRenderer), *args, **kwargs),
]
widget = ChoiceWithOtherWidget(choices=kwargs['choices'])
kwargs.pop('choices')
self._was_required = kwargs.pop('required', True)
kwargs['required'] = False
super(ChoiceWithOtherField, self).__init__(widget=widget, fields=fields, *args, **kwargs)
def compress(self, value):
if self._was_required and not value or value[0] in (None, ''):
raise forms.ValidationError(self.error_messages['required'])
if not value:
return [None, u'']
return (value[0], value[1] if force_unicode(value[0]) == force_unicode(self.fields[0].choices[-1][0]) else u'')
|
More like this
- Template tag - list punctuation for a list of items by shapiromatron 9 months, 1 week ago
- JSONRequestMiddleware adds a .json() method to your HttpRequests by cdcarter 9 months, 2 weeks ago
- Serializer factory with Django Rest Framework by julio 1 year, 4 months ago
- Image compression before saving the new model / work with JPG, PNG by Schleidens 1 year, 4 months ago
- Help text hyperlinks by sa2812 1 year, 5 months ago
Comments
I'm trying to get this to work, but this is not valid Python optConListas = ChoiceWithOtherField (choices = [(2, 'widget1' widget1), (3, 'widget2' widget3.widget), (4, "widget2" widget2), (5, 'widget4' widget4)])`
#
Please login first before commenting.