Integration with Angular UI-Router about angular-hotkeys HOT 29 OPEN

                           // SEE contacts.detail IN UI-ROUTER EXAMPLE
      .state('pages.detail', {
        url: '/{pageID:[0-9]{1,4}}',
        views: {
          '': {
            templateUrl: 'pages.detail.html',
            controller: ['$scope', '$stateParams',
              function page_detail_function (  $scope,   $stateParams) {
                // $scope.contact = utils.findById($scope.contacts, $stateParams.contactId);
                $scope.pageID = $stateParams.pageID;
                $rootScope.pageID = $scope.pageID;
              }]
          },
           // ....

            // ID OF PAGE CALLED
            $scope.pageID = $stateParams.pageID; // ui-router
             pageID = $scope.pageID;
            pageIDasInt = intval(pageID);

                             // ...


            // CALCULATE PREV AND NEXT PAGES IDS
            function getPrevNextPages(pageID)
            {                   
                // mainarrayData.OrdersArray.Products : THE JSON OBJECT I USE FOR DETAIL PAGES (originally contacts.json), REPLACE WITH YOURS
                                    pagesArray = Object.keys(mainarrayData.OrdersArray.Products); 

                $.each(pagesArray, function(key, value) {
                            if(value === pageID)
                            {
                                currentKey = key;
                            }
                        });
                previousPageID = pagesArray[currentKey - 1];
                nextPageID = pagesArray[currentKey + 1];

                arrayOfResults['previousPageID'] = previousPageID;
                arrayOfResults['nextPageID'] = nextPageID;

                return(arrayOfResults);
            }
            // -------- EOF - CALCULATE PREV AND NEXT PAGES IDS



            arrayOfResults = [];
            arrayOfResults = getPrevNextPages(pageID);
            previousPageID = arrayOfResults['previousPageID'];
            nextPageID = arrayOfResults['nextPageID'];



            firstPage = pagesArray[0];
            console.log('---> firstPage : ');
            console.log(firstPage);

            lastPage = (pagesArray.length)-1;
            console.log('---> lastPage : ');
            console.log(lastPage);


            // INFINITE LOOP - IF LAST OR NEXT UNDEFINED, SET LAST TO FIRST, AND FIRST TO LAST
            if (typeof(previousPageID) == "undefined") {
                console.log('---> previousPageID IS UNDEFINED : ');
                previousPageID = lastPage;
                // DEBUGGING previousPageID
                console.log('---> previousPageID NOW IS : ');
                console.log(previousPageID);

            };
            if (typeof(nextPageID) == "undefined") {
                console.log('---> nextPageID IS UNDEFINED : ');
                nextPageID = firstPage;
                // DEBUGGING nextPageID
                console.log('---> nextPageID NOW IS : ');
                console.log(nextPageID);
            };
            // -------- EOF - INFINITE LOOP - IF LAST OR NEXT UNDEFINED, SET LAST TO FIRST, AND FIRST TO LAST


            $rootScope.previousPageID = previousPageID || '';
            $rootScope.nextPageID = nextPageID || '';   
            $rootScope.typeOfPreviousPageID = typeof(previousPageID) || '';
            $rootScope.typeOfNextPageID = typeof(nextPageID) || '';

            $rootScope.pagesArray = pagesArray;


            // ANGULAR HOTKEYS SETTINGS FOR GOING TO NEXT PAGE / PREV PAGE THROUGH KEYBOARD
            hotkeys.add({
                combo: 'right',
                description: 'Next page',
                callback: function() {
                  $state.go("pages.detail",{pageID:nextPageID});
                }
              });

            hotkeys.add({
                combo: 'left',
                description: 'Previous page',
                callback: function() {
                  $state.go("pages.detail",{pageID:previousPageID});
                }
              });
            // -------- EOF - ANGULAR HOTKEYS SETTINGS FOR GOING TO NEXT PAGE / PREV PAGE THROUGH KEYBOARD