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| var app = angular.module('app', []); | |
| // service to fetch data | |
| app.factory('Service', ['$rootScope', function ($rootScope) { | |
| var Data = {}, intervalId; | |
| return { | |
| data: Data, | |
| get: function () { | |
| // code will fetch and populate Data | |
| }, | |
| // function to continuously update data | |
| start: function () { | |
| intervalId = setInterval(function () { | |
| $rootScope.$apply(function () { | |
| // modifies Data object | |
| }); | |
| }, 1000); | |
| } | |
| } | |
| }]); | |
| // directive to update dom whenever bound data changes | |
| app.directive('fooBar', [function () { | |
| return { | |
| restrict: 'E', | |
| scope: { | |
| val: '=' | |
| }, | |
| link: function (scope, element, attrs) { | |
| // watch val attribute and update dom whenever it changes | |
| scope.$watch('val', function (newVal, oldVal) { | |
| // code to update dom | |
| }); | |
| } | |
| }; | |
| }]); | |
| // controller | |
| app.controller('AppCtrl', ['$scope, Service', function ($scope, Service) { | |
| // bind scope data to Service | |
| $scope.data = Service.data; | |
| // fetch data one time | |
| Service.get(); | |
| // start continuous data fetch | |
| Service.start(); | |
| }]); | |
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| <!DOCTYPE html> | |
| <html ng-app="app"> | |
| </html> | |
| <body ng-controller="AppCtrl"> | |
| <!-- bind val in directive to $scope.data --> | |
| <foo-bar val="data" /> | |
| </body> |
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