def get_changelist_map(self, cl, request=None):
"""
Display a map in the admin changelist, with info popups
"""
if self.list_map:
info = []
if request:
qs = cl.get_query_set(request)
else:
qs = cl.get_query_set()
for obj in qs:
# Transform the fields into one projection.
geoms = []
for field in self.list_map:
geom = getattr(obj, field)
if geom:
if callable(geom):
geom = geom()
geoms.append(geom)
for geom in geoms:
geom.transform(int(DEFAULT_PROJ))
if geoms:
info.append((GeometryCollection(geoms,
srid=int(DEFAULT_PROJ)),
"<a href='%s'>%s</a>" %
(cl.url_for_result(obj), force_unicode(obj))))
return InfoMap(info, options=self.list_map_options)
return None
def location_detail(request, slug):
location = get_object_or_404(Location, slug=slug)
this_map = InfoMap(
[(location.point, location.map_html)],
{ #'layers': ['google.streets', 'google.satellite', 'google.hybrid'],
'map_div_style': {
'width': '570px',
'height': '400px'
}
})
display_validate_it = not (request.user.is_authenticated()
and location.is_validated_by(request.user))
areas = Geom.objects.filter(
geom__contains=location.point).order_by('area__lft')
country = areas[0]
area = areas[areas.count() - 1]
tweet_url = 'http://%s%s' % (Site.objects.get_current().domain,
location.get_absolute_url())
tweet_text = 'See %s in %s, %s. Please validate this %s location' % (
location.name, area, country, location.type.name)
return render(
request, 'world/location_detail.html', {
'location': location,
'map': this_map,
'display_validate_it': display_validate_it,
'tweet_url': tweet_url,
'tweet_text': tweet_text,
})
def ubication_map(self, obj):
info = [u""]
try:
if obj.geometry:
geo = obj.geometry
coords = geo.point_on_surface.get_coords()
elif obj.point:
geo = obj.point
coords = geo.get_coords()
info = [(geo, "%s %s" % (_(u"On surface"), coords))]
except:
return u""
options = {
'layers': ['google.streets'],
'map_div_Style': {'width': '300px', 'height': '200px'},
}
map_display = InfoMap(info, options)
return mark_safe(map_display.render(obj.title, {}))
def ubication_map(self, obj):
info = [u""]
try:
if obj.geometry:
geo = obj.geometry
coords = geo.point_on_surface.get_coords()
elif obj.point:
geo = obj.point
coords = geo.get_coords()
info = [(geo, "%s %s" % (_(u"On surface"), coords))]
except:
return u""
options = {
'layers': ['google.streets'],
'map_div_Style': {
'width': '300px',
'height': '200px'
},
}
map_display = InfoMap(info, options)
return mark_safe(map_display.render(obj.title, {}))
def show_tree(request, object_id):
obj = get_object_or_404(Tree, id=object_id)
# Use the convenience 1-layer map type
map_ = InfoMap([
[obj.root_spread, "Root spread"],
[obj.location, "Trunk center"],
])
return render_to_response("testolwidget/show_obj.html", {
'obj': obj,
'map': map_,
'edit_link': reverse("edit_tree", args=[obj.id]),
},
context_instance=RequestContext(request))
def get_changelist_map(self, cl, request=None):
def mygetattr(obj, prop):
if len(prop) == 1:
return getattr(obj, prop[0])
else:
return mygetattr(getattr(obj, prop[0]), prop[1:])
"""
Display a map in the admin changelist, with info popups
"""
if self.list_map:
info = []
#for obj in cl.get_query_set():
if request:
qs = cl.get_query_set(request)
else:
qs = cl.get_query_set()
for obj in qs:
# Transform the fields into one projection.
geoms = []
for field in self.list_map:
geom = mygetattr(obj, field.split('.'))
if geom:
if callable(geom):
geom = geom()
geoms.append(geom)
for geom in geoms:
geom.transform(int(DEFAULT_PROJ))
if geoms:
# Because this is a massive hack, I know that only my code is calling this line
# Therefore I can add additional info that shouldn't be added
if 'no_list_display_link' in self.list_map_options:
info_text = "Facility %d: %s" % (getattr(
obj, 'facility').pk, force_unicode(obj))
else:
info_text = "<a href='%s'>%s</a>" % (
cl.url_for_result(obj), force_unicode(obj))
info.append((GeometryCollection(geoms,
srid=int(DEFAULT_PROJ)),
info_text))
return InfoMap(info, options=self.list_map_options)
return None
def show_countries(request):
info = []
colors = ["red", "green", "blue", "peach"]
for i, country in enumerate(Country.objects.all()):
info.append((
country.boundary,
{
'html': country.about,
'style': {
# TODO: 4-color map algorithm. Just kidding.
'fill_color': colors[i]
},
}))
map_ = InfoMap(info)
return render_to_response("testolwidget/show_obj.html", {
'obj': "Countries",
"map": map_,
"edit_link": "/admin/testolwidget/country/",
},
context_instance=RequestContext(request))
def get_car_infomap(width='100%', height='400px'):
"""
Returns olwidget.widgets.InfoMap instance with available cars on it.
"""
return InfoMap([
[c.last_position, c.__unicode__()] for c in Car.objects.all()],
options={
'default_zoom': 8,
'map_div_style': {'width': width, 'height': height},
'popupOutside': True,
'overlayStyle': {
'externalGraphic': settings.STATIC_URL + "img/marker.png",
'backgroundGraphic': settings.STATIC_URL + "img/marker_shadow.png",
'graphicXOffset': -10,
'graphicYOffset': -12,
'graphicWidth': 21,
'graphicHeight': 25,
'backgroundXOffset': 2,
'graphicOpacity': 1
}
}
)
def usersMap(theRequest):
users = []
myUserCount = QgisUser.objects.all().count()
myRandomUser = None
myRandomUsers = QgisUser.objects.exclude(image="").order_by('?')[:1]
if myRandomUsers.count() > 0:
myRandomUser = myRandomUsers[0]
for user in QgisUser.objects.all():
users.append([
user.geometry,
render_to_string('user_balloon.html', {'user': user})
])
myMap = InfoMap(users)
return render_to_response("view_users.html", {
'myMap': myMap,
'myUserCount': myUserCount,
'myRandomUser': myRandomUser,
},
context_instance=RequestContext(theRequest))
def test_info_map(self):
# Just ensure that no errors arise from construction and rendering
mymap = InfoMap([[Point(0, 0, srid=4326), "that"]], {"name": "frata"})
unicode(mymap)
def _media(self):
from olwidget.widgets import InfoMap
return InfoMap([]).media
def as_html(self, context=None):
from django.contrib.gis.geos import Polygon, MultiPolygon
from django.contrib.gis.geos import GeometryCollection
from olwidget.widgets import InfoMap
def _convert_to_multipolygon(field):
l = []
for p in field:
if type(p) == MultiPolygon:
l += [item for item in p]
else:
l.append(p)
return MultiPolygon(l, srid=field.srid)
context = self.context if context is None else context
POLY_TYPES = [Polygon, MultiPolygon]
olwidget_options = None
if hasattr(settings, 'OLWIDGET_DEFAULT_OPTIONS'):
olwidget_options = settings.OLWIDGET_DEFAULT_OPTIONS
d = self.get_diff()
if d is None:
return ('<tr><td colspan="2">(%s)</td></tr>' %
_('No differences found'))
# Split out polygons from other geometries in field1, field2,
# same, deleted and inserted.
poly_field1, misc = self._split_out_geometry(POLY_TYPES, self.field1)
poly_field2, misc = self._split_out_geometry(POLY_TYPES, self.field2)
poly_same, other_geom_same = self._split_out_geometry(
POLY_TYPES, d['same'])
poly_deleted, other_geom_deleted = self._split_out_geometry(
POLY_TYPES, d['deleted'])
poly_inserted, other_geom_inserted = self._split_out_geometry(
POLY_TYPES, d['inserted'])
# Remove items from other_geom_same that are fully contained
# inside deleted, inserted. If we didn't do this we would see
# things like a point marked as "stayed the same" inside of a
# newly-added polygon, when the polygon is really just replacing
# the point.
other_geom_same_for_del, other_geom_same_for_insert = [], []
for geom in other_geom_same:
if not d['deleted'].contains(geom):
other_geom_same_for_del.append(geom)
if not d['inserted'].contains(geom):
other_geom_same_for_insert.append(geom)
other_geom_same_for_del = GeometryCollection(other_geom_same_for_del,
srid=d['deleted'].srid)
other_geom_same_for_insert = GeometryCollection(
other_geom_same_for_insert, srid=d['inserted'].srid)
# We need to convert from GeometryCollection to MultiPolygon to
# compute boundary.
poly_field1 = _convert_to_multipolygon(poly_field1)
poly_field2 = _convert_to_multipolygon(poly_field2)
deleted = InfoMap([
(poly_same, {
'html': _('Stayed the same'),
'style': {
'stroke_opacity': '0'
}
}),
(poly_deleted, {
'html': _('Removed'),
'style': {
'fill_color': '#ff7777',
'stroke_color': '#ff7777',
'fill_opacity': '0.8',
'stroke_opacity': '0'
}
}),
(poly_field1.boundary, {}),
(other_geom_same_for_del, {
'html': _('Stayed the same'),
'style': {
'fill_color': '#ffdf68',
'stroke_color': '#db9e33',
'stroke_opacity': '1'
}
}),
(other_geom_deleted, {
'html': _('Removed'),
'style': {
'fill_color': '#ff7777',
'stroke_color': '#ff7777',
'fill_opacity': '0.8',
'stroke_opacity': '1'
}
}),
],
options=olwidget_options)
inserted = InfoMap([
(poly_same, {
'html': _('Stayed the same'),
'style': {
'stroke_opacity': '0'
}
}),
(poly_inserted, {
'html': _('Added'),
'style': {
'fill_color': '#9bff53',
'stroke_color': '#9bff53',
'fill_opacity': '0.8',
'stroke_opacity': '0'
}
}),
(poly_field2.boundary, {}),
(other_geom_same_for_insert, {
'html': _('Stayed the same'),
'style': {
'fill_color': '#ffdf68',
'stroke_color': '#db9e33',
'stroke_opacity': '1'
}
}),
(other_geom_inserted, {
'html': _('Added'),
'style': {
'fill_color': '#9bff53',
'stroke_color': '#9bff53',
'fill_opacity': '0.8',
'stroke_opacity': '1'
}
}),
],
options=olwidget_options)
context.update({'deleted': deleted, 'inserted': inserted})
return render_to_string(self.template, context)
def show_map(self):
info = [(self.map_shape, {'style': {'fill_color': 'blue'}})]
options = {'height': "250px"}
return InfoMap(info, options)
