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