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Possibility for markers to link to other markers #1563 #1863

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Possibility for markers to link to other markers #1563 #1863

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f338365
linked marker implemented
yschopfer19 Jan 23, 2024
7a815de
Merge branch 'python-visualization:main' into linkedmarker
yschopfer19 Jan 23, 2024
cef4fe0
linked marker corrected
yschopfer19 Jan 23, 2024
2e586a2
linked marker corrected
yschopfer19 Jan 23, 2024
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20 changes: 20 additions & 0 deletions folium/map.py
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Original file line number Diff line number Diff line change
Expand Up @@ -436,6 +436,8 @@ def __init__(
show: bool = False,
sticky: bool = False,
lazy: bool = False,
linked_marker: Optional[Marker] = None,
linked_marker_name: str = "",
**kwargs: TypeJsonValue,
):
super().__init__()
Expand Down Expand Up @@ -464,6 +466,8 @@ def __init__(
closeOnClick=False if sticky else None,
**kwargs,
)
self.linked_marker = linked_marker
self.linked_marker_name = linked_marker_name

def render(self, **kwargs) -> None:
"""Renders the HTML representation of the element."""
Expand All @@ -480,6 +484,22 @@ def render(self, **kwargs) -> None:
name=self.get_name(),
)

if self.linked_marker is not None:
linking_script = f"""
var linkElement = document.createElement('a');
linkElement.href = '#';
linkElement.innerHTML = '{'Open ' + self.linked_marker_name if self.linked_marker_name else 'Open another popup'}';
linkElement.addEventListener('click', function() {{
{self._parent.get_name()}.closePopup();
{self.linked_marker.get_name()}.openPopup();
{self.linked_marker.get_name()}._map.flyTo({self.linked_marker.get_name()}.getLatLng());
}});
var popupContent = {self.get_name()}.getContent();
popupContent.appendChild(linkElement);
{self.get_name()}.setContent(popupContent);
"""
figure.script.add_child(Element(linking_script))


class Tooltip(MacroElement):
"""
Expand Down