AquaCoSy.productDisplayController = SC.ObjectController.create(
/** @scope AquaCoSy.productDisplayController.prototype */ {

  offerSelectedProduct: null,
  offerSelectedProductBinding: 'AquaCoSy.offerListController.selectedProduct',
  basketSelectedProduct: null,
  basketSelectedProductBinding: 'AquaCoSy.basketListController.selectedProduct',

  selectedProductDidChange: function() {
    console.log('selectedProduct did Change');
    console.log(this.get('selectedProduct'));
  }.observes('selectedProduct'),

  selectedProduct: function() {
    return SC.empty(this.get('basketSelectedProduct')) ? this.get('offerSelectedProduct') : this.get('basketSelectedProduct');
  }.property('offerSelectedProduct', 'basketSelectedProduct').cacheable(),

  isVisible: function() {
    return !(SC.empty(this.get('selectedProduct')));
  }.property('selectedProduct').cacheable(),

...