Google Maps helper functions

gmaps.js

var GeoPosition;
/**
 * get browser geolocation via html5
 * @constructor
 */
function GetGeolocation() {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(function (position) {
            GeoPosition = position;
        })
    }
}
/**
 * google maps coordinates set
 * @param Latitude
 * @param Longitude
 * @return {google.maps.LatLng}
 * @constructor
 */
function MapCoords(Latitude, Longitude) {
    return new google.maps.LatLng(Latitude, Longitude);
}

/**
 * build a google map canvas
 * @param Options
 * @return {google.maps.Map}
 * @constructor
 */
function GoogleMapFactory(Options) {

    if (Options.MapID == null) {
        alert("Map ID must be specified");
        return null;
    }
    if (Options.Latitude == null || Options.Longitude == null) {
        alert("Map coordinates must be specified");
        return null;
    }

    if (Options.MapType == null) {
        Options.MapType = google.maps.MapTypeId.ROADMAP;
    }

    if (Options.Zoom == null) {
        Options.Zoom = 8;
    }

    if (Options.UI == null) {
        Options.disableUI = false;
    } else {
        Options.disableUI = true;
    }

    if (Options.zoomControl == null) {
        Options.zoomControl = true;
    }

    if (Options.panControl == null) {
        Options.panControl = true;
    }

    if (Options.scaleControl == null) {
        Options.scaleControl = true;
    }

    if (Options.typeControl == null) {
        Options.typeControl = true;
    }

    var mapOptions = {
        zoom:Options.Zoom,
        center:new google.maps.LatLng(Options.Latitude, Options.Longitude),
        mapTypeId:Options.MapType,
        disableDefaultUI:Options.disableUI,
        zoomControl:Options.zoomControl,
        panControl:Options.panControl,
        scaleControl:Options.scaleControl,
        mapTypeControl:Options.typeControl
    };

    return new google.maps.Map(document.getElementById(Options.MapID),
        mapOptions);
}
/**
 * build a marker for google maps
 * @param Options
 * @return {*}
 * @constructor
 */
function MarkerFactory(Options) {
    if (Options.Map == null) {
        alert("Invalid MAP");
        return null;
    }
    if (Options.Latitude == null || Options.Longitude == null) {
        alert("Map coordinates must be specified");
        return null;
    }
    if (Options.Title == null) {
        Options.Title = "";
    }
    var marker = new google.maps.Marker({
        map:Options.Map,
        position:new google.maps.LatLng(Options.Latitude, Options.Longitude),
        title:Options.Title,
        icon:Options.Image,
        draggable:Options.Draggable
    });
    return marker;
}

/**
 * build a window for google maps
 * @param Options
 * @constructor
 */
function InfoWindowFactory(Options) {
    if (Options.Map == null) {
        alert("Invalid MAP");
        return null;
    }
    if (Options.Marker == null) {
        alert("Invalid MARKER");
        return null;
    }
    if (Options.Content == null) {
        Options.Content = "";
    }
    var infowindow = new google.maps.InfoWindow();
    infowindow.setContent(Options.Content);
    google.maps.event.addListener(Options.Marker, 'click', function () {
        infowindow.open(Options.Map, Options.Marker);
    });
}

/**
 * build a google maps circle
 * @param Options
 * @return {*}
 * @constructor
 */
function CircleFactory(Options) {
    if (Options.Latitude == null || Options.Longitude == null) {
        alert("Map coordinates must be specified");
        return null;
    }
    if (Options.Radius == null) {
        alert("Circle radius must be specified");
        return null;
    }
    if (Options.Map == null) {
        alert("Invalid MAP");
        return null;
    }
    var strokeColor = "#FF00000";
    var strokeOpacity = 0.8;
    var strokeWeight = 2;
    var fillColor = "#FF0000";
    var fillOpacity = 0.35;
    var center = new google.maps.LatLng(Options.Latitude, Options.Longitude);

    if (Options.strokeColor == null) {
        Options.strokeColor = strokeColor;
    }
    if (Options.strokeOpacity == null) {
        Options.strokeOpacity = strokeOpacity;
    }
    if (Options.strokeWeight == null) {
        Options.strokeWeight = strokeWeight;
    }
    if (Options.fillColor == null) {
        Options.fillColor = fillColor;
    }
    if (Options.fillOpacity == null) {
        Options.fillOpacity = fillOpacity;
    }
    if (Options.center == null) {
        Options.center = center;
    }

    cityCircle = new google.maps.Circle(Options);
    return cityCircle;
}
/**
 * build a google maps polygon
 * @param Options
 * @return {*}
 * @constructor
 */
function PolygonFactory(Options) {

    var polygon;
    if (Options.Paths == null) {
        alert("You must specify polygon points");
        return null;
    } else {
        Options.path = Options.Paths;
    }

    if (Options.Map == null) {
        alert("Invalid MAP");
        return null;
    }

    if (Options.strokeColor == null) {
        Options.strokeColor = "#FF0000";
    }
    if (Options.strokeOpacity == null) {
        Options.strokeOpacity = 0.8;
    }
    if (Options.strokeWeight == null) {
        Options.strokeWeight = 2;
    }
    if (Options.fillColor == null) {
        Options.fillColor = "#FF0000";
    }
    if (Options.fillOpacity == null) {
        Options.fillOpacity = 0.35;
    }
    if (Options.Editable != null) {
        Options.editable = Options.Editable;
    }
    polygon = new google.maps.Polygon(Options);
    return polygon;
}
/**
 * build a google maps polyline
 * @param Options
 * @return {*}
 * @constructor
 */
function PolylineFactory(Options) {

    if (Options.Paths == null) {
        alert("You must specify polygon points");
        return null;
    } else {
        Options.path = Options.Paths;
    }

    if (Options.Map == null) {
        alert("Invalid MAP");
        return null;
    }

    if (Options.strokeColor == null) {
        Options.strokeColor = "#FF0000";
    }
    if (Options.strokeOpacity == null) {
        Options.strokeOpacity = 0.8;
    }
    if (Options.strokeWeight == null) {
        Options.strokeWeight = 2;
    }
    if (Options.Editable != null) {
        Options.editable = Options.Editable;
    }
    var polyline;
    polyline = new google.maps.Polyline(Options);
    return polyline;
}