def get_venues(self):
"""This function retrieves all related Venue objects for given Info
and for each Venue gets the coordinates.
Return a list of venues which have coordinates set.
Each element of this list is a dictionary that contains three keys:
location, title, description
"""
venues = []
refs = self.context.venue
if not refs:
return venues
for ref in refs:
ob = ref.to_object
geo = IGeoManager(ob, None)
if geo and geo.isGeoreferenceable():
geometry, coordinates = geo.getCoordinates()
if not coordinates or len(coordinates) != 2:
continue
else:
longitude, latitude = coordinates
if geometry == 'Point' and longitude and latitude:
venues.append({
'title':
ob.Title(),
'description':
DESC_TEMPLATE % ob.Description(),
'location':
"%r,%r,0.000000" % (longitude, latitude),
})
return venues
def _get_markers(self, brain):
"""Return dict of marker details.
Handle Info objects in special way.
"""
markers = []
if brain.portal_type == 'tbfac.Info':
# get related Venues
obj = brain.getObject()
if obj is None:
return []
refs = obj.venue
if not refs:
return []
for ref in refs:
venue = ref.to_object
geo = IGeoManager(venue, None)
if geo and geo.isGeoreferenceable():
geometry, coordinates = geo.getCoordinates()
if not coordinates or len(coordinates) != 2:
continue
else:
longitude, latitude = coordinates
if geometry == 'Point' and longitude and latitude:
markers.append({
'uid': IUUID(venue),
'search_uid': brain.UID,
'url': brain.getURL(),
'title': brain.Title,
'tags': brain.Subject or [],
'start': brain.start or '',
'end': brain.end or '',
'geometry': {
'style': None,
'type': 'Point',
'coordinates': (longitude, latitude)
},
'latitude': latitude,
'longitude': longitude,
})
else:
markers = super(UshahidiMapView, self)._get_markers(brain)
return markers
def apply_coordinates(self, content):
c = self.coordinates
if c:
IGeoManager(content).setCoordinates(c['type'], c['coordinates'])
else:
IGeoManager(content).removeCoordinates()