from django.db.models import CharField

from location_field import forms


class BaseLocationField(object):
    def __init__(self, based_field=None, zoom=2, default=None, *args, **kwargs):
        self._based_field = based_field
        self._zoom = zoom
        self._default = default
        self.default = default

    def formfield(self, **kwargs):
        return super(BaseLocationField, self).formfield(
            form_class=self.formfield_class,
            based_field=self._based_field,
            zoom=self._zoom,
            default=self._default,
            **kwargs)


class PlainLocationField(BaseLocationField, CharField):
    formfield_class = forms.PlainLocationField

    def __init__(self, based_field=None, zoom=None,
                 max_length=63, *args, **kwargs):

        super(PlainLocationField, self).__init__(based_field=based_field,
                                                 zoom=zoom, *args, **kwargs)

        CharField.__init__(self, max_length=max_length, *args, **kwargs)
    

# south compatibility
try:
    from south.modelsinspector import add_introspection_rules
    add_introspection_rules([], ["^location_field\.models\.PlainLocationField"])
except:
    pass