50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
import { createElementObject, createOverlayComponent } from '@react-leaflet/core';
|
|
import { Tooltip as LeafletTooltip } from 'leaflet';
|
|
import { useEffect } from 'react';
|
|
export const Tooltip = createOverlayComponent(function createTooltip(props, context) {
|
|
const tooltip = new LeafletTooltip(props, context.overlayContainer);
|
|
return createElementObject(tooltip, context);
|
|
}, function useTooltipLifecycle(element, context, { position }, setOpen) {
|
|
useEffect(function addTooltip() {
|
|
const container = context.overlayContainer;
|
|
if (container == null) {
|
|
return;
|
|
}
|
|
const { instance } = element;
|
|
const onTooltipOpen = (event)=>{
|
|
if (event.tooltip === instance) {
|
|
if (position != null) {
|
|
instance.setLatLng(position);
|
|
}
|
|
instance.update();
|
|
setOpen(true);
|
|
}
|
|
};
|
|
const onTooltipClose = (event)=>{
|
|
if (event.tooltip === instance) {
|
|
setOpen(false);
|
|
}
|
|
};
|
|
container.on({
|
|
tooltipopen: onTooltipOpen,
|
|
tooltipclose: onTooltipClose
|
|
});
|
|
container.bindTooltip(instance);
|
|
return function removeTooltip() {
|
|
container.off({
|
|
tooltipopen: onTooltipOpen,
|
|
tooltipclose: onTooltipClose
|
|
});
|
|
// @ts-ignore protected property
|
|
if (container._map != null) {
|
|
container.unbindTooltip();
|
|
}
|
|
};
|
|
}, [
|
|
element,
|
|
context,
|
|
setOpen,
|
|
position
|
|
]);
|
|
});
|