Method render

folium/features.py:191–247

Renders the HTML representation of the element.

(self, **kwargs)

        self.position = position

    def render(self, **kwargs):
        """Renders the HTML representation of the element."""
        super().render(**kwargs)

        self.json = json.dumps(self.data)

        self._parent.html.add_child(
            Element(
                Template(
                    """
            <div id="{{this.get_name()}}"></div>
            """
                ).render(this=self, kwargs=kwargs)
            ),
            name=self.get_name(),
        )

        self._parent.script.add_child(
            Element(
                Template(
                    """
            vega_parse({{this.json}},{{this.get_name()}});
            """
                ).render(this=self)
            ),
            name=self.get_name(),
        )

        figure = self.get_root()
        assert isinstance(
            figure, Figure
        ), "You cannot render this Element if it is not in a Figure."

        figure.header.add_child(
            Element(
                Template(
                    """
            <style> #{{this.get_name()}} {
                position : {{this.position}};
                width : {{this.width[0]}}{{this.width[1]}};
                height: {{this.height[0]}}{{this.height[1]}};
                left: {{this.left[0]}}{{this.left[1]}};
                top: {{this.top[0]}}{{this.top[1]}};
            </style>
            """
                ).render(this=self, **kwargs)
            ),
            name=self.get_name(),
        )

        figure.script.add_child(
            Template(
                """function vega_parse(spec, div) {
            vg.parse.spec(spec, function(chart) { chart({el:div}).update(); });}"""
            ),  # noqa
            name="vega_parse",
        )