from django import template
from django.forms import ModelForm, BaseFormSet
from django.forms.forms import BoundField
register = template.Library()
@register.filter
def css_class(field):
if isinstance(field, BoundField):
field = field.field
return field.widget.__class__.__name__.lower()
@register.filter
def is_disabled(field):
if isinstance(field, BoundField):
field = field.field
return 'disabled' in field.widget.attrs
@register.filter
def is_readonly(field):
if isinstance(field, BoundField):
field = field.field
return ('readonly' in field.widget.attrs and
field.widget.attrs.get('readonly') is True)
@register.filter
def get_form_model_verbose_name(instance):
if isinstance(instance, ModelForm):
return instance._meta.model._meta.verbose_name.title()
if isinstance(instance, BaseFormSet):
return instance.model._meta.verbose_name_plural.title()
return '<unknown>'
