Speed-Rider/GeolocationClientSearchandCenter.html at master · ViviTurtle/Speed-Rider · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Place Autocomplete</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
        html, body {
            height: 100%;
            margin: 0;
            padding: 0;
        }

        #map {
            height: 100%;
        }

        .controls {
            margin-top: 10px;
            border: 1px solid transparent;
            border-radius: 2px 0 0 2px;
            box-sizing: border-box;
            -moz-box-sizing: border-box;
            height: 32px;
            outline: none;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
        }

        #pac-input {
            background-color: #fff;
            font-family: Roboto;
            font-size: 15px;
            font-weight: 300;
            margin-left: 12px;
            padding: 0 11px 0 13px;
            text-overflow: ellipsis;
            width: 300px;
        }

        #pac-input:focus {
            border-color: #4d90fe;
        }

        .pac-container {
            font-family: Roboto;
        }

        #type-selector {
            color: #fff;
            background-color: #4d90fe;
            padding: 5px 11px 0px 11px;
        }

        #type-selector label {
            font-family: Roboto;
            font-size: 13px;
            font-weight: 300;
        }
    </style>
</head>
<body>
<input id="pac-input" class="controls" type="text"
       placeholder="Enter a location">
<div id="type-selector" class="controls">
    <input type="radio" name="type" id="changetype-all" checked="checked">
    <label for="changetype-all">All</label>

    <input type="radio" name="type" id="changetype-establishment">
    <label for="changetype-establishment">Establishments</label>

    <input type="radio" name="type" id="changetype-address">
    <label for="changetype-address">Addresses</label>

    <input type="radio" name="type" id="changetype-geocode">
    <label for="changetype-geocode">Geocodes</label>
</div>
<div id="map"></div>

<script>


    /**
     * Initialization of Grabbing Geolocation
     */
    function initCoords() {
        var bayarea = new google.maps.LatLng(37.547841, -122.003326);
        var browserSupportFlag = Boolean();
        /*
         Check if geolocation is allowed.
         */
        if (navigator.geolocation) {
            browserSupportFlag = true;
            navigator.geolocation.getCurrentPosition(initMap, function () {
                noGeolocation(browserSupportFlag);
            });
        } else {
            browserSupportFlag = false;
            noGeolocation(browserSupportFlag);
        }

        function noGeolocation(errorFlag) {
            if (errorFlag == true) {
                alert("Geolocation service failed.");
                initMap(bayarea);

            } else {
                alert("Your browser doesn't support geolocation. We've placed you in Siberia.");
                initMap(bayarea);
            }

        }

    }


    function initMap(position) {
        // This Variable is to convert position into a LatLng object if it isn't already.
        var convert;
        var driverList = [
            {lat: 37.20422, lng: -121.84769},
            {lat: 37.36742, lng: -121.98267},
            {lat: 37.33413, lng: -121.88052},
        ];

        /**
         * Noticed that the geolocation callback function returns an object of position where
         * there is this position.location.latitude and position.location.longitude. This type of
         * object seems to not always work and gives me errors. Changed all variables instead to
         * google.maps.LatLng() to keep consistent.
         * */
        if (position instanceof google.maps.LatLng) {
            var map = new google.maps.Map(document.getElementById('map'), {
                center: {lat: position.lat(), lng: position.lng()},
                zoom: 10
            });

            convert = position;
        } else {
            var map = new google.maps.Map(document.getElementById('map'), {
                center: {lat: position.coords.latitude, lng: position.coords.longitude},
                zoom: 10
            });

            convert = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
        }

        // Add layer of Traffic
        var traffic = new google.maps.TrafficLayer();
        traffic.setMap(map);


        var input = /** @type {!HTMLInputElement} */(
                document.getElementById('pac-input'));

        var types = document.getElementById('type-selector');
        map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);
        map.controls[google.maps.ControlPosition.TOP_LEFT].push(types);

        var autocomplete = new google.maps.places.Autocomplete(input);
        autocomplete.bindTo('bounds', map);

        var infowindow = new google.maps.InfoWindow();

        // User Marker
        var marker = new google.maps.Marker({
            position: {lat: convert.lat(), lng: convert.lng()},
            map: map,
            anchorPoint: new google.maps.Point(0, -29),
            draggable: false
        });
        marker.setIcon(({
            url: 'PassM.png',
            size: new google.maps.Size(75, 75),
            origin: new google.maps.Point(0, 0),
            anchor: new google.maps.Point(0, 32)

        }));

        // Driver Markers
        for (var i = 0; i < driverList.length; i++){
            var driverMarker = new google.maps.Marker({
                position: driverList[i],
                map: map,
                draggable: false
            });
            driverMarker.setVisible(true);
        }


        autocomplete.addListener('place_changed', function () {
            infowindow.close();
            marker.setVisible(false);
            var place = autocomplete.getPlace();
            if (!place.geometry) {
                window.alert("Autocomplete's returned place contains no geometry");
                return;
            }

            // If the place has a geometry, then present it on a map.
            if (place.geometry.viewport) {
                map.fitBounds(place.geometry.viewport);
            } else {
                map.setCenter(place.geometry.location);
                map.setZoom(17);  // Why 17? Because it looks good.
            }

            marker.setPosition(place.geometry.location);
            marker.setVisible(true);

            var address = '';
            if (place.address_components) {
                address = [
                    (place.address_components[0] && place.address_components[0].short_name || ''),
                    (place.address_components[1] && place.address_components[1].short_name || ''),
                    (place.address_components[2] && place.address_components[2].short_name || '')
                ].join(' ');
            }

            infowindow.setContent('<div><strong>' + place.name + '</strong><br>' + address);
            infowindow.open(map, marker);
        });

        // Sets a listener on a radio button to change the filter type on Places
        // Auto-complete
        function setupClickListener(id, types) {
            var radioButton = document.getElementById(id);
            radioButton.addEventListener('click', function () {
                autocomplete.setTypes(types);
            });
        }

        setupClickListener('changetype-all', []);
        setupClickListener('changetype-address', ['address']);
        setupClickListener('changetype-establishment', ['establishment']);
        setupClickListener('changetype-geocode', ['geocode']);
    }

    // get distance based on 2 coorindate points and then return $ amount
    function calculateFare(lat1,lng1,lat2,lng2)
    {
        rR = 6371000;
        var φ = lat1.toRadians();
        var φ2 = lat2.toRadians();
        var Δφ = (lat2-lat1).toRadians();
        var Δλ = (lng2-lng1).toRadians();
        var a = Math.sin(Δφ/2) * Math.sin(Δφ/2) +
        Math.cos(φ1) * Math.cos(φ2) *
        Math.sin(Δλ/2) * Math.sin(Δλ/2);
        var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));

        // get final distance and convert to miles
        var d = R * c * 0.621371;

        // calculate dollar amount
        var fare = d * 0.78;
        return fare;
    }
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCBJjObeyq52A4L2wUzNdUDLS6ohWWtI2c&libraries=places&callback=initCoords"
        async defer></script>
</body>
</html>