def render(self, name, value, attrs):
html = super(OpenLayersWidgetLatitudeLongitude,
self).render(name, value, attrs)
# If a string reaches here (via a validation error on another
# field) then just reconstruct the Geometry.
if isinstance(value, basestring):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError):
value = None
if value and value.geom_type.upper() != self.geom_type:
value = None
geom_type = self.params['geom_type']
if geom_type.name == 'Point':
value_latitude = (value and value.get_y()) or ''
value_longitude = (value and value.get_x()) or ''
latitude = self._emule_widget_django('latitude', _('latitude'),
name, value_latitude)
longitude = self._emule_widget_django('longitude',
_('longitude'), name,
value_longitude)
view_on_map = "<input id='view_on_map_%s' class='view_on_map' type='button' value='%s'/>" % (
name, _('View on map'))
return mark_safe("%s %s %s %s" %
(html, latitude, longitude, view_on_map))
return html
def deg_min_sec(value):
"""
Usage::
{{ form.origin_point.value|deg_min_sec }}
"""
#GEOSGeometry('POINT(-95.3385 29.7245)')
try:
point = GEOSGeometry(value)
x = point.get_x()
y = point.get_y()
c=LatLon.LatLon(LatLon.Longitude(x), LatLon.Latitude(y))
latlon = c.to_string('d% %m% %S% %H')
lon = latlon[0].split(' ')
lat = latlon[1].split(' ')
# need to format float number (seconds) to 1 dp
lon[2] = str(round(eval(lon[2]), 1))
lat[2] = str(round(eval(lat[2]), 1))
# Degrees Minutes Seconds Hemisphere
lat_str = lat[0] + u'\N{DEGREE SIGN} ' + lat[1].zfill(2) + '\' ' + lat[2].zfill(4) + '\" ' + lat[3]
lon_str = lon[0] + u'\N{DEGREE SIGN} ' + lon[1].zfill(2) + '\' ' + lon[2].zfill(4) + '\" ' + lon[3]
return 'Lat/Lon ' + lat_str + ', ' + lon_str
except:
return None
def latlon(value):
"""
Usage::
{{ form.origin_point.value|latlon }}
"""
#GEOSGeometry('POINT(-95.3385 29.7245)')
try:
point = GEOSGeometry(value)
x = round(point.get_x(), 2)
y = round(point.get_y(), 2)
return '(Lon/Lat) {}/{}'.format(x, y)
except:
return None
def render(self, name, value, attrs):
html = super(OpenLayersWidgetLatitudeLongitude, self).render(name, value, attrs)
# If a string reaches here (via a validation error on another
# field) then just reconstruct the Geometry.
if isinstance(value, basestring):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError):
value = None
if value and value.geom_type.upper() != self.geom_type:
value = None
geom_type = self.params['geom_type']
if geom_type.name == 'Point':
value_latitude = (value and value.get_y()) or ''
value_longitude = (value and value.get_x()) or ''
latitude = self._emule_widget_django('latitude', _('latitude'), name, value_latitude)
longitude = self._emule_widget_django('longitude', _('longitude'), name, value_longitude)
view_on_map = "<input id='view_on_map_%s' class='view_on_map' type='button' value='%s'/>" % (name, _('View on map'))
return mark_safe("%s %s %s %s" % (html, latitude, longitude, view_on_map))
return html
