141 lines
4.2 KiB
JavaScript

import React, { Component, Fragment } from 'react';
import { Map, InfoWindow, Marker, GoogleApiWrapper } from 'google-maps-react';
import Typography from '@material-ui/core/Typography';
// Google Maps API Key
const API_KEY = 'AIzaSyAZ_0J01bA6wCbIPK4UBq2RUBC-hIqG4mM';
// Map container styles
const mapStyles = {
width: '100%',
height: '100%'
};
export class MapContainer extends Component {
// Get the user's location using Google's geolocation
getLocation = () => {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition((position) => {
this.setState({
myLatLng: {
lat: position.coords.latitude,
lng: position.coords.longitude
}
}
);
})
} else {
// If browser doesn't support geolocation or if user does not allow it,
// center map on Grand Rapids, Michigan
this.setState({
myLatLng: {
lat: 42.9634,
lng: 85.6681
}
}
);
}
}
// When the component has mounted to the DOM, get the user's location
componentDidMount() {
this.getLocation();
}
// When the user clicks on a marker, pass the props related to that marker
// and show the related info window
onMarkerClick = (props, marker) => {
this.setState({
selectedPlace: props,
activeMarker: marker,
showingInfoWindow: true
});
}
// When the user clicks on the map, if a info window is visible then close it
// and 'unactive' that marker
onMapClick = (props, map, e) => {
if (this.state.showingInfoWindow) {
this.setState({
showingInfoWindow: false,
activeMarker: null
});
}
this.setState({
markerLatLng: {
lat: e.latLng.lat(),
lng: e.latLng.lng()
}
});
let lat = e.latLng.lat();
let lng = e.latLng.lng();
if (this.props.onClick) {
this.props.onClick(lat, lng);
}
}
// Set the state of the component to contain user coordinates and initial
// marker and info window information
state = {
myLatLng: {
lat: 42.9634,
lng: 85.6681
},
markerLatLng: {
lat: 0,
lng: 0
},
showingInfoWindow: false,
activeMarker: {},
selectedPlace: {}
}
render() {
return (
// Render the Google Map, Marker, and InfoWindow components
<div className="report-google-map-container">
<Map
style={mapStyles}
google={this.props.google}
initialCenter={this.state.myLatLng}
center={this.state.myLatLng}
defaultZoom={15}
onClick={this.onMapClick} >
<Marker
position={this.state.markerLatLng}
/>
<Marker
position={this.state.myLatLng}
onClick={this.onMarkerClick}
title={'You are here'}
name={''}
/>
<InfoWindow
marker={this.state.activeMarker}
visible={this.state.showingInfoWindow} >
<Fragment>
<Typography variant="display1" gutterBottom>
{this.state.selectedPlace.title}
</Typography>
<Typography variant="subheading" gutterBottom>
{this.state.selectedPlace.name}
</Typography>
</Fragment>
</InfoWindow>
</Map>
</div>
);
}
}
// Send the Google Map API Key with the MapContainer component
export default GoogleApiWrapper({ apiKey: (API_KEY) })(MapContainer);