What is the best way to reach the parent scope when necessary?

I'm having trouble with this issue. The rating feature in Angular Bootstrap is not under my control, and I am attempting to serialize the rating through a controller that I defined. However, I am unable to access the parent article. As a newcomer to AngularJS, I have been experimenting with $scope.$parent which does provide me access to an article property, but when I try $scope.$parent.article it returns undefined. There must be another solution.

Here is the specific markup causing the issue:

<div class="article full" data-ng-model="article">
  <header class="page-header">
    <h4>{{article.title}}</h4>
    <div class="article-rating" rating ng-controller="RatingsCtrl" value="article.rating" max="5"></div>
  </header>
  <!-- ... -->
</div>

This is the directive in question https://github.com/angular-ui/bootstrap/blob/master/src/rating/rating.js. Here is my attempt at finding a solution, although it doesn't provide much context:

angular.module("myApp")
  .controller("RatingsCtrl", ($scope) ->
    console.log $scope.$parent.article #=> undefined

    $scope.$watch 'value', (newVal, oldVal) ->
      console.log "newVal = #{newVal} oldVal=#{oldVal}"
      console.log $scope.$parent.article #=> undefined
  )

Answer №1

Without looking at the script directly, it seems like there may be a confusion with the $scope.parent and $scope.$parent.article variables. You mentioned that $scope.parent has an article property, but $scope.$parent.article is coming up as undefined.

If this isn't a typo, consider using $scope.parent.article instead to ensure accuracy...

Answer №2

In my case, the variable article is accessible within the current scope even though it was originally defined in the parent scope.

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