Concealing specific HTML elements with ng-view in AngularJS

I recently started a project in AngularJS and I'm utilizing ng-view with $routeProvider for templating. However, I've encountered a minor issue where I don't want the navbar to display on specific pages like the landing, login, and registration pages, but I do want it to appear on all other views. Are there any solutions within AngularJS that can help me address this problem?

Below are links to my index.html, login.html, and $routeProvider configuration:

index.html

<body ng-app="hello">

    <!-- FIXED NAVBAR -->
    <div class="navbar navbar-default navbar-fixed-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
            <span class="sr-only">Toggle Navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">hello</a>
        </div>
          <div class="navbar-collapse collapse">
            <ul class="nav navbar-nav navbar-right">
              <li><a href="#">Add Group</a></li>
              <li><a href="#">Upload File</a></li>
              <li class="active"><a href="#">Notifications</a></li>
            </ul>
          </div>
      </div>
    </div>

    <div class="container">
      <div ng-view></div>
    </div>
</body>

login.html

<div class="container">
<form ng-controller="AdminUserCtrl" class="form-signin" role="form" method="post">
    <h2 class="form-signin-heading">Please sign in</h2>
    <input type="email" class="form-control" id="inputUsername" placeholder="Email address" ng-model="login.email" required autofocus>
    <input type="password" class="form-control" id="inputPassword" placeholder="Password" ng-model="login.password" required>
    <div class="checkbox">
        <label>
            <input type="checkbox" value="remember-me"> Remember Me
        </label>
    </div>
    <button class="btn btn-lg btn-primary btn-block" type="submit" ng-click="logIn(login.email, login.password)">Sign In</button>
    <p style="text-align: center; margin-top: 5px;"><a style="text-align: center;" href="#/register">Register A New Account</a></p>
</form>

$routeprovider

hello.config([ '$locationProvider', '$routeProvider', 
function($location, $routeProvider) {
    $routeProvider.
        when('/', {
            templateUrl: 'views/login.html',
            controller: 'AdminUserCtrl',
            access: { requiredLogin: false}
        }).
       when('/feed', {
            templateUrl: 'views/feed.html',
            controller: 'FeedListCtrl',
            access: { requiredLogin: true}

        otherwise({
            redirectTo: '/'
        });
 }]);

One workaround I am considering involves removing the navbar HTML code from the index page and only adding it to the necessary pages. However, I'd like to explore alternative solutions if available.

Answer №1

To ensure proper functionality, it is important for components such as the navigation bar that are not part of ng-view to have their own separate controllers. Utilizing a service can help facilitate communication between these controllers and those within the view. By binding properties of the service to the navigation views, you can dynamically update their display based on specific values. Here's an example:

app.factory("navBarService", function () {
    return {show: true};
});

app.controller("NavBarController", function (navBarService) {
    this.show = navBarService.show;
});

app.controller("SomeControllerYouRouteToController", function (navBarService) {
    navBarService.show = false;
});

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