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Simple paginate 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, $pageArray) { | |
| $scope.pageItems = $pageArray(ref, 'number'); | |
| }); | |
| app.factory('$pageArray', function($firebaseArray) { | |
| return function(ref, field) { | |
| // create a Paginate reference | |
| var pageRef = new Firebase.util.Paginate(ref, field, {maxCacheSize: 250}); | |
| // generate a synchronized array using the special page ref | |
| var list = $firebaseArray(pageRef); | |
| // store the "page" scope on the synchronized array for easy access | |
| list.page = pageRef.page; | |
| // when the page count loads, update local scope vars | |
| pageRef.page.onPageCount(function(currentPageCount, couldHaveMore) { | |
| list.pageCount = currentPageCount; | |
| list.couldHaveMore = couldHaveMore; | |
| }); | |
| // when the current page is changed, update local scope vars | |
| pageRef.page.onPageChange(function(currentPageNumber) { | |
| list.currentPageNumber = currentPageNumber; | |
| }); | |
| // load the first page | |
| pageRef.page.next(); | |
| return list; | |
| } | |
| }); |
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| <body ng-app="app" ng-controller="ctrl"> | |
| <h4>Showing: Page {{ pageItems.currentPageNumber }} of {{ pageItems.pageCount }}<span ng-show="pageItems.couldHaveMore"> or more</span></h4> | |
| <ul> | |
| <li ng-repeat="item in scrollItems">{{item.$id}}: {{item.string}}</li> | |
| </ul> | |
| <p> | |
| <button class="btn btn-primary" | |
| ng-click="pageItems.page.setPage(1)" | |
| ng-disabled="pageItems.currentPageNumber < 2"> | |
| <i class="glyphicon glyphicon-fast-backward"></i> | |
| </button> | |
| <button class="btn btn-primary" | |
| ng-click="pageItems.page.prev()" | |
| ng-disabled="!pageItems.page.hasPrev()"> | |
| <i class="glyphicon glyphicon-backward"></i> | |
| </button> | |
| <button class="btn btn-primary" | |
| ng-click="pageItems.page.next()" | |
| ng-disabled="!pageItems.page.hasNext()"> | |
| <i class="glyphicon glyphicon-forward"></i> | |
| </button> | |
| <button class="btn btn-primary" | |
| ng-click="pageItems.page.setPage(pageItems.pageCount)" | |
| ng-disabled="!pageItems.page.hasNext() || pageItems.currentPageNumber >= pageItems.pageCount"> | |
| <i class="glyphicon glyphicon-fast-forward"></i> | |
| </button> | |
| </p> | |
| </body> |
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