How to Add Functionality to Angular Apps Without Defining a Route

One unique aspect of my website is the navigation bar. It appears on some pages but not others, so I've created a controller specifically for it. Here's how the navigation bar markup looks:

<html ng-app="myApp">
 <head>
   <title> My layout.html </title>
 </head>
 <body>
   <nav ng-controller="NavCtrl">
    I have this NAVBAR
   </nav>
  <div ui-view></div> 
 </body>
</html>

Typically, I would specify the name of the controller in my routes like this:

$stateProvider.state('/', {
 controller: 'NavbarCtrl'
});

However, in this particular case, there isn't a route corresponding to the navbar - just the navbar controller file itself. Therefore, my question is: how can I register the controller without a templateUrl through ui-router?

Answer №1

Forget about registering the controller in ui-router; just simply define the controller within your app's module.

angular.module('myApp').controller('NavbarCtrl', function($scope) {
    $scope.testVar = "another value";
});

From now on, you have the ability to utilize the testVar variable within the template area controlled by your controller.

Answer №2

One effective method for creating maintainable code is to utilize a base state within the $stateProvider for your navbar.

    $stateProvider
      .state('base', {
        templateUrl: 'base.html',
        controller: 'NavbarCtrl'
      })
      .state('base.child', {
        url: 'url-of-child-state',
        views: {
          'view-for-navbar': {
            templateUrl: 'child-template',
            controller: ChildCtrl
          }
        }
      })

This allows you to implement your navigation bar as a master page that can be easily integrated into different child pages. Simply insert the navigation bar code in base.html and below it add

<div ui-view="main-view"></div>

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