melanie349's survivor class

survivor.js

// Survivor Class
function Survivor() {
    this.markers = [];
    this.path = [];
    this.labels = [];
    this.polyline = null;
    this.auditPoints = [];
    
    // array to keep the functions that will be called when the data is loaded
    this.callbacks = [];

    // keep `this` value around for the asynchronous code
    var that = this;

    $.getJSON('/Audit/WayPoints', function (data) {
        for (i = 0; i < data.length; i++) {
            that.auditPoints.push(new AuditPoint(data[i].ID, data[i].X, data[i].Y));
        }
        Init();
    });

    var myIcon = new google.maps.MarkerImage('Images/pin1.png',
        new google.maps.Size(100, 100),
        new google.maps.Point(0, 0),
        new google.maps.Point(3, 3)
    );

    function CreateMarkers() {
        for (var i = 0, max = that.auditPoints.length; i < max; i++) {
            var pathmarker = new google.maps.Marker({
                position: that.auditPoints[i].GoogleLatLong,
                icon: myIcon
            });
            that.markers.push(pathmarker);
            that.path.push(that.auditPoints[i].GoogleLatLong);
            var label = new Label({
            });
            label.bindTo('position', that.markers[i], 'position');
            label.text = i;
            that.labels.push(label);
        }
    };

    function CreatePolyline() {
        that.polyline = new google.maps.Polyline({
            path: that.path,
            strokeColor: "#FF0000",
            strokeOpacity: 1.0,
            strokeWeight: 2
        });
    }

    // here we need the current `this` value saved, otherwise the Init()
    // from the getJSON callback would lose it.

    function Init() {
        CreateMarkers();
        CreatePolyline();

        // notify all callbacks
        for (var i = 0, l = that.callbacks.length; i < l; i++) {
            that.callbacks[i].call();
        }
    };

};

Survivor.prototype.onLoaded = function (funct) {
    this.callbacks.push(funct);
}