var sunCircle = {
strokeColor: "#c3fc49",
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: "#c3fc49",
fillOpacity: 0.35,
map: map,
center: userPosition,
radius: 1000, // in meters
editable:true
};
cityCircle = new google.maps.Circle(sunCircle);
cityCircle.bindTo('center', marker, 'position');
If the user changes the radius of the circle now that Editable is set to true, could we retrieve the new radius value?
google.maps.event.addListener(cityCircle, 'radius_changed', function () {
console.log(cityCircle.getRadius());
});
To learn more about modifying events, visit this page
Using ref in React allows us to access and manipulate DOM elements.
FOLLOW THESE STEPS:
import React, { useRef } from 'react';
Create a refCircle variable within the React component:
let refCircle = useRef(null);
Define the handleCircleRadius function inside the React component:
const handleCircleRadius = () => {
console.log('New Radius', refCircle.getRadius());
};
Utilize the ref and handleCircleRadius method within the Circle component:
<Circle
ref={(ref) => (refCircle = ref)}
defaultCenter={{
lat: parseFloat(12),
lng: parseFloat(12),
}}
defaultEditable={true}
radius={parseFloat(1000)}
center={{
lat: parseFloat(12,
lng: parseFloat(12),
}}
onRadiusChanged={handleCircleRadius}
options={{ strokeColor: '#ff0000' }}
/>
NOTE: The Circle method is imported from the react-google-maps library.
Library Link: https://www.npmjs.com/package/react-google-maps https://i.sstatic.net/yF0MP.png
Output Example: https://i.sstatic.net/2m5Xl.png
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