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from .layergroup import LayerGroup
from ..layer import marker, vector
class FeatureGroup(LayerGroup):
"""
Used to group several layers and handle them as one. If you add it to the map, any layers added or removed from the group will be added/removed on the map as well.
"""
def _initJs(self):
leafletJsObject = 'new L.featureGroup()'
self._createJsObject(leafletJsObject, self._map.mapWidgetIndex)
def createAndAddDrawnLayer(self, drawnLayer, options=None):
layerType = drawnLayer['layerType']
if layerType == 'polygon':
coords = drawnLayer['layer']['_latlngs']['0']
coords = [coords[p] for p in coords]
self.addLayer(vector.Polygon(coords, options))
elif layerType == 'marker':
coords = drawnLayer['layer']['_latlng']
self.addLayer(marker.Marker(coords, options))
elif layerType == 'polyline':
coords = drawnLayer['layer']['_latlngs']
coords = [coords[p] for p in coords]
self.addLayer(vector.Polyline(coords, options))
elif layerType == 'rectangle':
coords = drawnLayer['layer']['_latlngs']['0']
coords = [coords[p] for p in coords]
self.addLayer(vector.Rectangle(coords, options))
elif layerType == 'circle':
coords = drawnLayer['layer']['_latlng']
radius = drawnLayer['layer']['options']['radius']
self.addLayer(vector.Circle([coords['lat'], coords['lng']], radius))
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