in app/scripts/controllers/grid/grid.js [194:208]
didSortingChanged : function() {
var sortClass = 'sorting-none';
switch(this.get('sortingOrder')) {
case 'NONE': sortClass = 'sorting-none'; break;
case 'DESC': sortClass = 'sorting-desc'; break;
case 'ASC' : sortClass = 'sorting-asc'; break;
}
App.Logger.log('sortClass: ' + sortClass );
this.set('sortingClass', sortClass);
}.observes('sortingOrder'),