Angular model loses its scope when ng-included in a directive

Trying to figure out how to dynamically change templates inside a directive using ng-include. With two Plunker examples, it should work the same but doesn't.

HTML for both Examples:

<!DOCTYPE html>
<html ng-app="myApp">

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular.min.js"></script>
    <script src="script.js"></script>
  </head>

  <body>
    <main></main>
  </body>

</html>

Example #1: http://plnkr.co/edit/bi3Plrm8xufuN79Nvajj?p=preview

Setting up two directives (one main, and one nested as a child):

angular.module('myApp', ['Test']);
angular.module('Test', [])
.directive('main', [
    function () {
        return {
            restrict: 'E',
            template: '<input type="text" ng-model="myModel"><br><br><child></child>'
        };
    }
])
.directive('child', [
    function () {
        return {
            restrict: 'E',
            template: '<input type="text" ng-model="myModel">'
        };
    }
]);

In Example #1, both fields populate correctly as the model changes.

Example #2: http://plnkr.co/edit/3ajcTyfJElEzbqvsWwBM?p=preview

The HTML remains the same, but the JavaScript is slightly different:

angular.module('myApp', ['Test']);
angular.module('Test', [])
.directive('main', [
    function () {
        return {
            restrict: 'E',
            template: '<input type="text" ng-model="myModel"><br><br><child></child>'
        };
    }
])
.directive('child', [
    function () {
        return {
            restrict: 'E',
            controller: function($scope) {
              $scope.myTemplate = 'test-template.html'
            },
            template: "<div ng-include='myTemplate'></div>"
        };
    }
]);

When interacting with the second input generated by `ng-include, I lose all binding. How can this be avoided?

Answer №1

It's not strange at all, as PSL mentioned, ng-include generates a new scope.

If you want to maintain the connection with those models, You should modify

<input type="text" ng-model="myModel">

Into:

<input type="text" ng-model="$parent.myModel">

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