def googleMapShowUtils(points):
markers = []
for point in points:
marker = GMarker('POINT(%s %s)' % (point['lng'], point['lat']))
event = GEvent('click',
'function() { location.href = "%s"}' % point['href'])
marker.add_event(event)
markers.append(marker)
google = GoogleMap(center=(0, 0),
zoom=1,
markers=markers,
key=settings.GOOGLE_MAPS_API_PASSWORD)
return google
#add search utility here
def google_map(request):
points = [
{
'lat': '35.42',
'lng': '139.42',
'href': 'http://en.wikipedia.org/wiki/Tokyo'
},
{
'lat': '51.30',
'lng': '0.73',
'href': 'http://en.wikipedia.org/wiki/London'
},
{
'lat': '40.43',
'lng': '-74.0',
'href': 'http://en.wikipedia.org/wiki/New_York_City'
},
{
'lat': '34.03',
'lng': '-118.15',
'href': 'http://en.wikipedia.org/wiki/Los_Angeles'
},
{
'lat': '36.774402',
'lng': '-119.755405',
'href': 'http://en.wikipedia.org/wiki/Fresno'
},
]
markers = []
for point in points:
marker = GMarker('POINT(%s %s)' % (point['lng'], point['lat']))
event = GEvent('click',
'function() { location.href = "%s"}' % point['href'])
marker.add_event(event)
markers.append(marker)
google = GoogleMap(center=(0, 0),
zoom=1,
markers=markers,
key=settings.GOOGLE_MAPS_API_PASSWORD)
return render(request, 'rango/google_map.html', {'google': google})
def __init__(self,
key=None,
api_url=None,
version=None,
center=None,
zoom=None,
dom_id='map',
load_func='gmap_load',
kml_urls=[],
polygons=[],
polylines=[],
markers=[],
template='gis/google/js/google-map.js',
extra_context={}):
# The Google Maps API Key defined in the settings will be used
# if not passed in as a parameter. The use of an API key is
# _required_.
if not key:
try:
self.key = settings.GOOGLE_MAPS_API_KEY
except AttributeError:
raise GoogleMapException(
'Google Maps API Key not found (try adding GOOGLE_MAPS_API_KEY to your settings).'
)
else:
self.key = key
# Getting the Google Maps API version, defaults to using the latest ("2.x"),
# this is not necessarily the most stable.
if not version:
self.version = getattr(settings, 'GOOGLE_MAPS_API_VERSION', '2.x')
else:
self.version = version
# Can specify the API URL in the `api_url` keyword.
if not api_url:
self.api_url = mark_safe(
getattr(settings, 'GOOGLE_MAPS_URL', GOOGLE_MAPS_URL) %
self.version)
else:
self.api_url = api_url
# Setting the DOM id of the map, the load function, the JavaScript
# template, and the KML URLs array.
self.dom_id = dom_id
self.load_func = load_func
self.template = template
self.kml_urls = kml_urls
# Does the user want any GMarker, GPolygon, and/or GPolyline overlays?
self.polygons, self.polylines, self.markers = [], [], []
if markers:
for point in markers:
if isinstance(point, GMarker):
self.markers.append(point)
else:
self.markers.append(GMarker(point))
if polygons:
for poly in polygons:
if isinstance(poly, GPolygon):
self.polygons.append(poly)
else:
self.polygons.append(GPolygon(poly))
if polylines:
for pline in polylines:
if isinstance(pline, GPolyline):
self.polylines.append(pline)
else:
self.polylines.append(GPolyline(pline))
# If GMarker, GPolygons, and/or GPolylines
# are used the zoom will be automatically
# calculated via the Google Maps API. If both a zoom level and a
# center coordinate are provided with polygons/polylines, no automatic
# determination will occur.
self.calc_zoom = False
if self.polygons or self.polylines or self.markers:
if center is None or zoom is None:
self.calc_zoom = True
# Defaults for the zoom level and center coordinates if the zoom
# is not automatically calculated.
if zoom is None: zoom = 4
self.zoom = zoom
if center is None: center = (0, 0)
self.center = center
# Setting the parameters for the javascript template.
params = {
'calc_zoom': self.calc_zoom,
'center': self.center,
'dom_id': self.dom_id,
'kml_urls': self.kml_urls,
'load_func': self.load_func,
'zoom': self.zoom,
'polygons': self.polygons,
'polylines': self.polylines,
'markers': self.markers,
}
params.update(extra_context)
self.js = render_to_string(self.template, params)
