Silly Javascript for backbone...

gistfile1.txt

    getCheckboxIds: function(event){
        var activeCheckboxes = [];
        if (!$("input:checkbox").is(":checked")) {
            console.log("box is not checked");
        }
        $("input:checkbox").each(function(){
            var $this = $(this);
            if($this.is(":checked")){
                var categoryId = $this.attr("id");
                if (categoryId != undefined){
                    activeCheckboxes.push(categoryId);
                }
            }
        });
        this.findModelsForMarkers(this.mapDataObject, activeCheckboxes);
    },

    findModelsForMarkers: function(mapDataObject, activeCheckboxes){
        var collection = mapDataObject.queriedCollisions;
        var arrayOfModels = [];
        _.each(activeCheckboxes, function(value){
            if (value === "pedcol"){
                var peds = collection.where({
                    pedcol: "Y"
                });
                arrayOfModels.push(peds);
            } else if (value === "biccol"){
                var bikes = collection.where({
                    biccol: "Y"
                });
                arrayOfModels.push(bikes);
            } else {
                var all = collection.where({
                    biccol: "",
                    pedcol: ""
                });
                arrayOfModels.push(all);
            }
        });
        var flattenedArray = _.flatten(arrayOfModels)
        this.createMarkers(flattenedArray);
    },