30 lines
905 B
Python
30 lines
905 B
Python
from django import forms
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from .widgets import SpanWidget
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class MultiSelectFormField(forms.MultipleChoiceField):
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""" http://djangosnippets.org/snippets/1200/ """
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widget = forms.CheckboxSelectMultiple
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def __init__(self, *args, **kwargs):
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self.max_choices = kwargs.pop('max_choices', 0)
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super(MultiSelectFormField, self).__init__(*args, **kwargs)
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def clean(self, value):
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if not value and self.required:
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raise forms.ValidationError(self.error_messages['required'])
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return value
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class SpanField(forms.Field):
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"""
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A field which renders a value wrapped in a <span> tag.
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Requires use of specific form support. (see ReadonlyForm or ReadonlyModelForm)
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"""
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def __init__(self, *args, **kwargs):
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kwargs['widget'] = kwargs.get('widget', SpanWidget)
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super(SpanField, self).__init__(*args, **kwargs)
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