+
−"""
+
−Slovak-specific form helpers
+
−"""
+
−
+
−from django.forms.fields import Select, RegexField
+
−from django.utils.translation import ugettext_lazy as _
+
−
+
−class SKRegionSelect(Select):
+
−    """
+
−    A select widget widget with list of Slovak regions as choices.
+
−    """
+
−    def __init__(self, attrs=None):
+
−        from sk_regions import REGION_CHOICES
+
−        super(SKRegionSelect, self).__init__(attrs, choices=REGION_CHOICES)
+
−
+
−class SKDistrictSelect(Select):
+
−    """
+
−    A select widget with list of Slovak districts as choices.
+
−    """
+
−    def __init__(self, attrs=None):
+
−        from sk_districts import DISTRICT_CHOICES
+
−        super(SKDistrictSelect, self).__init__(attrs, choices=DISTRICT_CHOICES)
+
−
+
−class SKPostalCodeField(RegexField):
+
−    """
+
−    A form field that validates its input as Slovak postal code.
+
−    Valid form is XXXXX or XXX XX, where X represents integer.
+
−    """
+
−    default_error_messages = {
+
−        'invalid': _(u'Enter a postal code in the format XXXXX or XXX XX.'),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(SKPostalCodeField, self).__init__(r'^\d{5}$|^\d{3} \d{2}$',
+
−            max_length=None, min_length=None, *args, **kwargs)
+
−
+
−    def clean(self, value):
+
−        """
+
−        Validates the input and returns a string that contains only numbers.
+
−        Returns an empty string for empty values.
+
−        """
+
−        v = super(SKPostalCodeField, self).clean(value)
+
−        return v.replace(' ', '')