Extracting a lone angular expression from a JSON file

My experience with angularJS is fairly new, and there are still some concepts that I am trying to grasp. What I am aiming to achieve is the following:

I have a de-DE.json file (containing various language keys for a multi-language website) that has a structure similar to this:

{
    "index": {
        "headline": "The title of that view",
        "tabmenu": [
            {
                "id": "home",
                "class": "active in",
                "title":"Title No. 1",
                "description":"Some description"
            },
            {
                "id": "profile",
                "class": "",
                "title":"Title No. 2",
                "banner":"WallBanner.jpg",
                "description":"Some description"
            },
            {
                "id": "messages",
                "class": "",
                "title":"Title No. 3",
                "description":"Some description"
            },
            {
                "id": "settings",
                "class": "",
                "title":"Title No. 4",
                "description":"Some description"
            }
        ]
    },
    "media": {
       ...
    }
}

Now, taking a look at my index.html code snippet:

<html ng-app id="ng-app">
<head>
    <title>Title of the Site</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    <link rel="stylesheet" href="../assets/bootstrap/css/bootstrap.min.css">
</head>

<body ng-controller="languageKey">
   <div class="container" ng-model="language.index">

       <h1>{{ headline }}</h1>

       <div class="row">
           <div class="col-lg-12">

               <ul class="nav nav-tabs" id="myTab">
                   <li class="active"><a href="#home" data-toggle="tab">Tab1</a></li>
                   <li><a href="#profile" data-toggle="tab">Tab2</a></li>
                   <li><a href="#messages" data-toggle="tab">Tab3</a></li>
                   <li><a href="#settings" data-toggle="tab">Tab4</a></li>
               </ul>

               <div class="tab-content">
                   <div class="tab-pane fade {{ lg.class }}" id="{{ lg.id }}" ng-repeat="lg in language.index.tabmenu">
                       <h3>{{ lg.title }}</h3>
                       <p>{{ lg.description }}</p>
                   </div>
               </div>

           </div>
       </div>

   </div>

   <script src="../assets/jquery/jquery.js"></script>
   <script src="../assets/bootstrap/js/bootstrap.min.js"></script>
   <script src="../assets/angularjs/angular.min.js"></script>
   <script>
        $(function () {
            $('#myTab a:first').tab('show')
        })

       function languageKey($scope, $http)
       {
           $http({method: 'POST', url: 'de-DE.json'}).success(function(data)
           {
               $scope.language = data; //response Data
           });
       }
   </script>
</body>
</html>

After doing some research online, I managed to make the

<div ng-repeat="lg in language.index.tabmenu">
section work smoothly.

However, most often there are instances where language keys are used singularly without repeating HTML structure as shown above like:

<h1>{{ headline }}</h1> 
(I've also tried <h1 ng-bind="{headline}"

Therefore, I am looking for a lightweight solution to simply call those expressions.

Unfortunately, the attempt of using ng-model="language.index" does not yield the desired outcome in such cases.

Answer №1

To access your JSON object in the controller, simply assign it to the $scope variable:

$scope.myJSON = {...};

Then, you can display the data in the view using AngularJS:

<h1>{{myJSON.index.headline }}</h1>

If you are working on a multi-language project, consider using angular-translate for localization.

Answer №2

If this method proves to be successful

<div ng-repeat="lg in language.index.tabmenu">

then assuming you input the parsed JSON object into the $scope in the same manner, the desired outcome should be to display the headline:

<h1>{{ language.index.headline }}</h1> 

The documentation recommends that ng-model is intended for use with inputs only:

The ngModel directive links an input, select, textarea (or a custom form control) to a property on the scope

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