[AC-5418] Alloys Data Binding with formFactor property

<Alloy>
	<Collection src="Corsi"/>
	<Window id="corsiWindow" class="container" formFactor="handheld">
		<LeftNavButton>
        	<View layout="horizontal">
            	<Button onClick="toggle"></Button>
               	<Label id="title"></Label>
            </View>                    
        </LeftNavButton>
        <View>
            <ScrollableView id="scrollableview" dataCollection="Corsi">
                <Require src="uiElement/corsiSlide"/>
            </ScrollableView>
        </View>		
	</Window>
	<!--Tablet version-->
	<View class="container" formFactor="tablet">		
        <View>
            <ScrollableView id="scrollableview" dataCollection="Corsi">
                <Require src="uiElement/corsiSlide"/>
            </ScrollableView>
        </View>	
	</View>
</Alloy>

var args = arguments[0] || {};
var collection = Alloy.Collections.Corsi;

collection.fetch({
	error : function(){
		Alloy.Globals.loading.hide();
	},
	finish : function(collection, response) {
		Alloy.Globals.loading.hide();
	},
	localData: true,
	initFetchWithLocalData: true
});


function toggle(e) {
    var fn = 'toggleLeftWindow';
    Alloy.Globals.drawer[fn]();
}

var Mutators = require('vendor/backbone.mutators');
var utils = require('ui/utils');

exports.definition = {
    config : {        
        URL: "http://xxxx.com,
    	debug: 0, //debug mode enabled
    	useStrictValidation: 0, // validates each item if all columns are present
        adapter : {
            type : "sqlrest",
            collection_name : "corsi",
            db_file : "/xeniasoft.sqlite",
            db_name : "xeniasoft",
            //idAttribute: "rowid",
            remoteBackup : false            
        },        
   	 	initFetchWithLocalData : false,
    	disableSaveDataLocallyOnServerError : true,
    	localOnly: false,
    	deleteAllOnFetch: true,
    	parentNode: function (data) {
    		return JSON.parse(data);
		}
    },

    extendModel: function(Model) {		
        _.extend(Model.prototype, {
            // Extend, override or implement Backbone.Model 
            mutators : {                
                titolo : {
                    get : function() {
                        return "   " + this.get("corso") + "   ";
                    }, // get
                    transient : true
                },
                trainer : {
                    get : function() {
                        return L('istruttore') + this.get("istruttore").toUpperCase() + "   ";
                    }, // get
                    transient : true
                },
                image : {
                    get : function() {
                        return (this.get("foto") != "") ? this.get("foto") : "/images/placeholder_big.jpg";
                    }, // get
                    transient : true
                },
                imageList : {
                    get : function() {
                        return (this.get("foto") != "") ? this.get("foto") : "/images/placeholder.jpg";
                    }, // get
                    transient : true
                },
				lezioni : {
					get : function() {
						var sql = "SELECT * FROM lezioni WHERE id_corso=" + this.get("id_corso");
						db = Ti.Database.open('xeniasoft');
						var rs = db.execute(sql);
						var output = [];
						while (rs.isValidRow()) {
							var g = utils.getGornoSettimana(rs.fieldByName('id_giorno')) + " " + rs.fieldByName("ora_inizio") + " - " + rs.fieldByName("ora_fine");
							output.push(g);
							rs.next();
						}
						rs.close();
						db.close();
						return output;
					},
					transient : true
				}
            }
        });
		
        return Model;
    },

    extendCollection: function(Collection) {		
        _.extend(Collection.prototype, {
            // Extend, override or implement Backbone.Collection 
			getCorso : function(id) {
				var collection = this;
				
				var sql = "SELECT * FROM " + collection.config.adapter.collection_name + " WHERE id_corso=" + id;
				db = Ti.Database.open(collection.config.adapter.db_name);
				var rs = db.execute(sql);
				var output = [];
				if(rs.isValidRow()) {
					output.push({
						imageList: (rs.fieldByName("foto") != "") ? rs.fieldByName("foto") : "/images/placeholder.jpg" ,
						corso : rs.fieldByName("corso"),
						descrizione : rs.fieldByName("descrizione"),
						istruttore: rs.fieldByName("istruttore"),
						sala : rs.fieldByName("sala"),
						prenotabile : rs.fieldByName("prenotabile")
					});
				}
				
				rs.close();
				db.close();
				
				return output;
			}
        });
		
        return Collection;
    }
};

...
{for(var d,f=a.opts||{},g=j.models,h=g.length,k=[],l=0;l<h;l++)
...

"undefined is not an object (evaluating 'j.models')";