def get_context_data(self, **kwargs): request = self.request if request and 'access_token' in request.session: access_token = request.session['access_token'] else: access_token = None DEFAULT_MAP_CONFIG, DEFAULT_BASE_LAYERS = default_map_config(request) layers = Layer.objects.all() if request.method == 'GET' and 'copy' in request.GET: """Prepare context data.""" request = self.request mapid = self.request.GET['copy'] map_obj = _resolve_map(request, mapid, 'base.view_resourcebase', _PERMISSION_MSG_VIEW) config = map_obj.viewer_json(request) # list all required layers map_layers = MapLayer.objects.filter( map_id=mapid).order_by('stack_order') context = { 'config': json.dumps(config), 'create': False, 'layers': layers, 'map': map_obj, 'map_layers': map_layers, 'preview': getattr(settings, 'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY', 'leaflet') } return context else: if request.method == 'GET': params = request.GET elif request.method == 'POST': params = request.POST else: return self.render_to_response(status=405) if 'layer' in params: bbox = None map_obj = Map(projection=getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857')) for layer_name in params.getlist('layer'): try: layer = _resolve_layer(request, layer_name) except ObjectDoesNotExist: # bad layer, skip continue if not request.user.has_perm( 'view_resourcebase', obj=layer.get_self_resource()): # invisible layer, skip inclusion continue layer_bbox = layer.bbox # assert False, str(layer_bbox) if bbox is None: bbox = list(layer_bbox[0:4]) else: bbox[0] = min(bbox[0], layer_bbox[0]) bbox[1] = min(bbox[1], layer_bbox[1]) bbox[2] = max(bbox[2], layer_bbox[2]) bbox[3] = max(bbox[3], layer_bbox[3]) config = layer.attribute_config() # Add required parameters for GXP lazy-loading config["title"] = layer.title config["queryable"] = True config["srs"] = getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857') config["bbox"] = bbox if config["srs"] != 'EPSG:3857' \ else llbbox_to_mercator( [float(coord) for coord in bbox]) if layer.storeType == "remoteStore": service = layer.remote_service # Probably not a good idea to send the access token to every remote service. # This should never match, so no access token should be sent to remote services. ogc_server_url = urlsplit( ogc_server_settings.PUBLIC_LOCATION).netloc service_url = urlsplit(service.base_url).netloc if access_token and ogc_server_url == service_url and \ 'access_token' not in service.base_url: url = '%s?access_token=%s' % (service.base_url, access_token) else: url = service.base_url map_layers = MapLayer(map=map_obj, name=layer.typename, ows_url=layer.ows_url, layer_params=json.dumps(config), visibility=True, source_params=json.dumps({ "ptype": service.ptype, "remote": True, "url": url, "name": service.name, "title": "[R] %s" % service.title })) else: ogc_server_url = urlsplit( ogc_server_settings.PUBLIC_LOCATION).netloc layer_url = urlsplit(layer.ows_url).netloc if access_token and ogc_server_url == layer_url and \ 'access_token' not in layer.ows_url: url = layer.ows_url + '?access_token=' + \ access_token else: url = layer.ows_url map_layers = MapLayer( map=map_obj, name=layer.typename, ows_url=url, # use DjangoJSONEncoder to handle Decimal values layer_params=json.dumps(config, cls=DjangoJSONEncoder), visibility=True) if bbox and len(bbox) >= 4: minx, miny, maxx, maxy = [float(coord) for coord in bbox] x = (minx + maxx) / 2 y = (miny + maxy) / 2 if getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857') == "EPSG:4326": center = list((x, y)) else: center = list(forward_mercator((x, y))) if center[1] == float('-inf'): center[1] = 0 BBOX_DIFFERENCE_THRESHOLD = 1e-5 # Check if the bbox is invalid valid_x = (maxx - minx)**2 > BBOX_DIFFERENCE_THRESHOLD valid_y = (maxy - miny)**2 > BBOX_DIFFERENCE_THRESHOLD if valid_x: width_zoom = math.log(360 / abs(maxx - minx), 2) else: width_zoom = 15 if valid_y: height_zoom = math.log(360 / abs(maxy - miny), 2) else: height_zoom = 15 map_obj.center_x = center[0] map_obj.center_y = center[1] map_obj.zoom = math.ceil(min(width_zoom, height_zoom)) map_obj.handle_moderated_uploads() config = map_obj.viewer_json(request) config['fromLayer'] = True context = { 'config': json.dumps(config), 'create': True, 'layers': layers, 'map': map_obj, 'map_layers': map_layers, 'preview': getattr(settings, 'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY', 'leaflet') } else: # list all required layers layers = Layer.objects.all() context = {'create': True, 'layers': layers} return context
def get_context_data(self, **kwargs): request = self.request if request and 'access_token' in request.session: access_token = request.session['access_token'] else: access_token = None snapshot = self.kwargs.get('snapshot') DEFAULT_MAP_CONFIG, DEFAULT_BASE_LAYERS = default_map_config(request) layers = Layer.objects.all() if request.method == 'GET' and 'copy' in request.GET: """Prepare context data.""" request = self.request mapid = self.request.GET['copy'] map_obj = _resolve_map( request, mapid, 'base.view_resourcebase', _PERMISSION_MSG_VIEW) if snapshot is None: config = map_obj.viewer_json(request) else: config = snapshot_config(snapshot, map_obj, request) # list all required layers map_layers = MapLayer.objects.filter( map_id=mapid).order_by('stack_order') context = { 'config': json.dumps(config), 'create': False, 'layers': layers, 'map': map_obj, 'map_layers': map_layers, 'preview': getattr( settings, 'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY', '') } return context else: if request.method == 'GET': params = request.GET elif request.method == 'POST': params = request.POST else: return self.render_to_response(status=405) if 'layer' in params: bbox = None map_obj = Map(projection=getattr( settings, 'DEFAULT_MAP_CRS', 'EPSG:3857')) for layer_name in params.getlist('layer'): try: layer = _resolve_layer(request, layer_name) except ObjectDoesNotExist: # bad layer, skip continue if not request.user.has_perm( 'view_resourcebase', obj=layer.get_self_resource()): # invisible layer, skip inclusion continue layer_bbox = layer.bbox # assert False, str(layer_bbox) if bbox is None: bbox = list(layer_bbox[0:4]) else: bbox[0] = min(bbox[0], layer_bbox[0]) bbox[1] = min(bbox[1], layer_bbox[1]) bbox[2] = max(bbox[2], layer_bbox[2]) bbox[3] = max(bbox[3], layer_bbox[3]) config = layer.attribute_config() # Add required parameters for GXP lazy-loading config["title"] = layer.title config["queryable"] = True config["srs"] = getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857') config["bbox"] = bbox if config["srs"] != 'EPSG:3857' \ else llbbox_to_mercator( [float(coord) for coord in bbox]) if layer.storeType == "remoteStore": service = layer.remote_service # Probably not a good idea to send the access token to every remote service. # This should never match, so no access token should be sent to remote services. ogc_server_url = urlparse.urlsplit( ogc_server_settings.PUBLIC_LOCATION).netloc service_url = urlparse.urlsplit( service.base_url).netloc if access_token and ogc_server_url == service_url and \ 'access_token' not in service.base_url: url = '%s?access_token=%s' % (service.base_url, access_token) else: url = service.base_url map_layers = MapLayer(map=map_obj, name=layer.typename, ows_url=layer.ows_url, layer_params=json.dumps(config), visibility=True, source_params=json.dumps({ "ptype": service.ptype, "remote": True, "url": url, "name": service.name, "title": "[R] %s" % service.title})) else: ogc_server_url = urlparse.urlsplit( ogc_server_settings.PUBLIC_LOCATION).netloc layer_url = urlparse.urlsplit(layer.ows_url).netloc if access_token and ogc_server_url == layer_url and \ 'access_token' not in layer.ows_url: url = layer.ows_url + '?access_token=' + \ access_token else: url = layer.ows_url map_layers = MapLayer( map=map_obj, name=layer.typename, ows_url=url, # use DjangoJSONEncoder to handle Decimal values layer_params=json.dumps( config, cls=DjangoJSONEncoder), visibility=True ) if bbox and len(bbox) >= 4: minx, miny, maxx, maxy = [float(coord) for coord in bbox] x = (minx + maxx) / 2 y = (miny + maxy) / 2 if getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857') == "EPSG:4326": center = list((x, y)) else: center = list(forward_mercator((x, y))) if center[1] == float('-inf'): center[1] = 0 BBOX_DIFFERENCE_THRESHOLD = 1e-5 # Check if the bbox is invalid valid_x = (maxx - minx) ** 2 > BBOX_DIFFERENCE_THRESHOLD valid_y = (maxy - miny) ** 2 > BBOX_DIFFERENCE_THRESHOLD if valid_x: width_zoom = math.log(360 / abs(maxx - minx), 2) else: width_zoom = 15 if valid_y: height_zoom = math.log(360 / abs(maxy - miny), 2) else: height_zoom = 15 map_obj.center_x = center[0] map_obj.center_y = center[1] map_obj.zoom = math.ceil(min(width_zoom, height_zoom)) map_obj.handle_moderated_uploads() if snapshot is None: config = map_obj.viewer_json(request) else: config = snapshot_config(snapshot, map_obj, request) config['fromLayer'] = True context = { 'config': json.dumps(config), 'create': True, 'layers': layers, 'map': map_obj, 'map_layers': map_layers, 'preview': getattr( settings, 'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY', '') } else: # list all required layers layers = Layer.objects.all() context = { 'create': True, 'layers': layers } return context