WIP basic version of timeline control

Author: hansthen

folium/plugins/timeline.py

@@ -0,0 +1,69 @@
+from branca.element import MacroElement
+from jinja2 import Template
+
+from folium.elements import JSCSSMixin
+from folium.utilities import parse_options
+
+
+class Timeline(JSCSSMixin, MacroElement):
+    """
+    TODO
+    """
+
+    _template = Template(
+        """
+        {% macro script(this, kwargs) %}
+            var {{ this.get_name() }} = L.timeline(
+                {{ this.data|tojson }},
+                {{ this.options|tojson }}
+            );
+            {{ this._parent.get_name() }}.addControl({{ this.get_name() }});
+            {{ this.get_name() }}.addTo({{ this._parent.get_name() }});
+        {% endmacro %}
+    """
+    )
+
+    default_js = [
+        (
+            "timeline",
+            "https://skeate.dev/Leaflet.timeline/examples/leaflet.timeline.js",
+        )
+    ]
+
+    def __init__(self, data, **kwargs):
+        super().__init__()
+        self._name = "Timeline"
+
+        self.data = data
+        self.options = parse_options(**kwargs)
+
+
+class TimelineSliderControl(JSCSSMixin, MacroElement):
+    """
+    TODO
+    """
+
+    _template = Template(
+        """
+        {% macro script(this, kwargs) %}
+            var {{ this.get_name() }} = L.timelineSliderControl(
+                {{ this.options|tojson }}
+            );
+            {{ this.get_name() }}.addTimelines();
+            {{ this.get_name() }}.addTo({{ this._parent.get_name() }});
+        {% endmacro %}
+    """
+    )
+
+    default_js = [
+        (
+            "timeline",
+            "https://skeate.dev/Leaflet.timeline/examples/leaflet.timeline.js",
+        )
+    ]
+
+    def __init__(self, data, **kwargs):
+        super().__init__()
+        self._name = "TimelineSliderControl"
+
+        self.options = parse_options(**kwargs)