could not update state after onplacechanged event occure in react js? - reactjs

Question

__ I have used withprops in react-google-maps. i have also used searchbox from react-google-maps my problem is that when onplacechanged event occure i want i am trying to update center in state but this.setState is not accesible in onplacechabged function. i want to access this.setState from RMSelectLocation class but it could'nt accesible. is there any other to imlement google map with autocomplete searchbox in reactjs __
import React, { Component, useEffect } from "react";
import { compose, withProps, lifecycle } from "recompose";
import {
withScriptjs,
withGoogleMap,
GoogleMap,
Marker,
} from "react-google-maps";
import { get } from "lodash";
import { SearchBox } from "react-google-maps/lib/components/places/SearchBox";
var cntr = { lat: 19.993982, lng: 73.790416 };
class RMSelectLocation extends Component {
state = {
locations: "nashik",
center: { lat: 19.993982, lng: 73.790416 },
zoom: 12,
type: "",
};
componentDidMount() {}
render() {
const MapWithASearchBox = compose(
withProps({
googleMapURL:
"https://maps.googleapis.com/maps/api/js?key=AIzaSyAIVf-f5cukgHjy_ZEv32yc9Liehb4vTGQ&v=3.exp&libraries=geometry,drawing,places",
loadingElement: <div style={{ height: `100%` }} />,
containerElement: <div style={{ height: `400px` }} />,
mapElement: <div style={{ height: `200%` }} />,
}),
lifecycle({
componentWillMount() {
const refs = {};
this.setState({
bounds: null,
center: {
lat: 19.9975,
lng: 73.7898,
},
markers: [],
onMapMounted: (ref) => {
refs.map = ref;
},
onBoundsChanged: () => {
this.setState({
bounds: refs.map.getBounds(),
center: refs.map.getCenter(),
});
},
onSearchBoxMounted: (ref) => {
refs.searchBox = ref;
},
onPlacesChanged: () => {
console.log(this.state);
console.log(this.props);
const places = refs.searchBox.getPlaces();
const bounds = new window.google.maps.LatLngBounds();
places.forEach((place) => {
if (place.geometry.viewport) {
bounds.union(place.geometry.viewport);
} else {
bounds.extend(place.geometry.location);
}
});
const nextMarkers = places.map((place) => ({
position: place.geometry.location,
}));
const nextCenter = get(
nextMarkers,
"0.position",
this.state.center
);
this.setState({
center: nextCenter,
markers: nextMarkers,
});
},
});
},
}),
withScriptjs,
withGoogleMap
)((props) => (
<GoogleMap
ref={props.onMapMounted}
defaultZoom={15}
center={props.center}
onBoundsChanged={props.onBoundsChanged}
defaultMapTypeId={"hybrid"}
>
<SearchBox
ref={props.onSearchBoxMounted}
bounds={props.bounds}
controlPosition={window.google.maps.ControlPosition.TOP_RIGHT}
onPlacesChanged={props.onPlacesChanged}
>
<input
type="text"
placeholder="Customized your placeholder"
style={{
boxSizing: `border-box`,
border: `1px solid transparent`,
width: `240px`,
height: `32px`,
marginTop: `27px`,
padding: `0 12px`,
borderRadius: `3px`,
boxShadow: `0 2px 6px rgba(0, 0, 0, 0.3)`,
fontSize: `14px`,
outline: `none`,
textOverflow: `ellipses`,
}}
/>
</SearchBox>
{props.markers.map((marker, index) => (
<Marker key={index} position={marker.position} />
))}
</GoogleMap>
));
return (
<MapWithASearchBox />
);
}
}
export default RMSelectLocation;

Answer 1

Ciao, if this.setState is not reachable could be a this context problem as explained here. Take a look and let us know :)