app/django/contrib/gis/db/models/manager.py
author Madhusudan C.S. <madhusudancs@gmail.com>
Mon, 08 Jun 2009 08:42:13 +0200
changeset 2406 6f966e1a80bc
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Changed the property that holds the minimum age required for Students to participate in a GHOP based program. Added a new property student_min_age_as_of to hold the DateTime from when the minimum age should be reached. Changed student_min_age property to now store the student minimum age as an integer. This all feel more user friendly then letting the program admin calculate the required DateTime. Storing the two properties is then still needed in this case since information might be lost otherwise when the program admin brings up the edit view. Reviewed by: Lennard de Rijk

from django.db.models.manager import Manager
from django.contrib.gis.db.models.query import GeoQuerySet

class GeoManager(Manager):
    "Overrides Manager to return Geographic QuerySets."

    # This manager should be used for queries on related fields
    # so that geometry columns on Oracle and MySQL are selected
    # properly.
    use_for_related_fields = True

    def get_query_set(self):
        return GeoQuerySet(model=self.model)

    def area(self, *args, **kwargs):
        return self.get_query_set().area(*args, **kwargs)

    def centroid(self, *args, **kwargs):
        return self.get_query_set().centroid(*args, **kwargs)

    def difference(self, *args, **kwargs):
        return self.get_query_set().difference(*args, **kwargs)

    def distance(self, *args, **kwargs):
        return self.get_query_set().distance(*args, **kwargs)

    def envelope(self, *args, **kwargs):
        return self.get_query_set().envelope(*args, **kwargs)

    def extent(self, *args, **kwargs):
        return self.get_query_set().extent(*args, **kwargs)

    def gml(self, *args, **kwargs):
        return self.get_query_set().gml(*args, **kwargs)

    def intersection(self, *args, **kwargs):
        return self.get_query_set().intersection(*args, **kwargs)

    def kml(self, *args, **kwargs):
        return self.get_query_set().kml(*args, **kwargs)

    def length(self, *args, **kwargs):
        return self.get_query_set().length(*args, **kwargs)

    def make_line(self, *args, **kwargs):
        return self.get_query_set().make_line(*args, **kwargs)
    
    def mem_size(self, *args, **kwargs):
        return self.get_query_set().mem_size(*args, **kwargs)

    def num_geom(self, *args, **kwargs):
        return self.get_query_set().num_geom(*args, **kwargs)

    def num_points(self, *args, **kwargs):
        return self.get_query_set().num_points(*args, **kwargs)

    def perimeter(self, *args, **kwargs):
        return self.get_query_set().perimeter(*args, **kwargs)

    def point_on_surface(self, *args, **kwargs):
        return self.get_query_set().point_on_surface(*args, **kwargs)

    def scale(self, *args, **kwargs):
        return self.get_query_set().scale(*args, **kwargs)

    def svg(self, *args, **kwargs):
        return self.get_query_set().svg(*args, **kwargs)

    def sym_difference(self, *args, **kwargs):
        return self.get_query_set().sym_difference(*args, **kwargs)

    def transform(self, *args, **kwargs):
        return self.get_query_set().transform(*args, **kwargs)

    def translate(self, *args, **kwargs):
        return self.get_query_set().translate(*args, **kwargs)

    def union(self, *args, **kwargs):
        return self.get_query_set().union(*args, **kwargs)

    def unionagg(self, *args, **kwargs):
        return self.get_query_set().unionagg(*args, **kwargs)