70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
from branca.element import MacroElement
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from jinja2 import Template
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from folium.elements import JSCSSMixin
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from folium.utilities import parse_options
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class MeasureControl(JSCSSMixin, MacroElement):
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"""Add a measurement widget on the map.
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Parameters
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----------
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position: str, default 'topright'
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Location of the widget.
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primary_length_unit: str, default 'meters'
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secondary_length_unit: str, default 'miles'
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primary_area_unit: str, default 'sqmeters'
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secondary_area_unit: str, default 'acres'
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See https://github.com/ljagis/leaflet-measure for more information.
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"""
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_template = Template(
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"""
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{% macro script(this, kwargs) %}
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var {{ this.get_name() }} = new L.Control.Measure(
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{{ this.options|tojson }});
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{{this._parent.get_name()}}.addControl({{this.get_name()}});
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{% endmacro %}
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"""
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) # noqa
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default_js = [
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(
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"leaflet_measure_js",
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"https://cdn.jsdelivr.net/gh/ljagis/leaflet-measure@2.1.7/dist/leaflet-measure.min.js",
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)
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]
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default_css = [
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(
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"leaflet_measure_css",
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"https://cdn.jsdelivr.net/gh/ljagis/leaflet-measure@2.1.7/dist/leaflet-measure.min.css",
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)
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]
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def __init__(
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self,
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position="topright",
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primary_length_unit="meters",
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secondary_length_unit="miles",
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primary_area_unit="sqmeters",
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secondary_area_unit="acres",
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**kwargs
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):
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super().__init__()
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self._name = "MeasureControl"
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self.options = parse_options(
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position=position,
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primary_length_unit=primary_length_unit,
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secondary_length_unit=secondary_length_unit,
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primary_area_unit=primary_area_unit,
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secondary_area_unit=secondary_area_unit,
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**kwargs
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)
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