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Simple infinite scroll example in AngularFire with Firebase.util (http://firebase.github.io/firebase-util/)
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| var app = angular.module('app', ['firebase']); | |
| app.controller('ctrl', function($scope) { | |
| var ref = new Firebase('https://fbutil.firebaseio.com/paginate'); | |
| $scope.scrollItems = $scrollArray(ref, 'number'); | |
| }); | |
| app.factory('$scrollArray', function($firebaseArray) { | |
| return function(ref, field) { | |
| // create a special scroll ref | |
| var scrollRef = new Firebase.util.Scroll(ref, field); | |
| // generate a synchronized array with the ref | |
| var list = $firebaseArray(scrollRef); | |
| // store the scroll namespace on the array for easy ref | |
| list.scroll = scrollRef.scroll; | |
| return list; | |
| } | |
| }); | |
| // just some scroll magic to show the bottom of the list as new records are loaded | |
| app.directive('scrollToBottom', function () { | |
| var unbind; | |
| return { | |
| restrict: 'A', | |
| scope: { scrollToBottom: "=" }, | |
| link: function (scope, element) { | |
| if( unbind ) { unbind(); } | |
| unbind = scope.$watchCollection('scrollToBottom', function () { | |
| // assumes we have jQuery, which handles the pretty animation | |
| // otherwise, just use this code instead: | |
| // element[0].scrollTop = element[0].scrollHeight; | |
| $(element).animate({scrollTop: element[0].scrollHeight}); | |
| }); | |
| } | |
| } | |
| }); |
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| <body ng-app="app" ng-controller="ctrl"> | |
| <h4>Items loaded: {{scrollItems.length}}</h4> | |
| <p> | |
| <button class="btn btn-primary" | |
| ng-click="scrollItems.scroll.next(25)" | |
| ng-disabled="!scrollItems.scroll.hasNext()"> | |
| Load Next 25 | |
| </button> | |
| </p> | |
| <ul class="scrollbox" scroll-to-bottom="scrollItems"> | |
| <li ng-repeat="item in scrollItems">{{item.$id}}: {{item.string}}</li> | |
| </ul> | |
| </body> |
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Got Scroll variable undefined