Angular UI Router Set Scope/Variable

Question

I have an Angular app using the Ui Router for routing purposes. Each time I change the router, I would like to change the header of the page, and it seems like the $stateProvider would be the easiest way to do that. I have something like this for the $stateProvider:

$stateProvider
    .state('index', {
        url: "/",
        views: {
            "rightContainer": { templateUrl: "viewA.html" },
        },
        controller: function ($scope) {
            $scope.data.header = "Header 1"
        }
    })
    .state('details', {
        url: "/details",
        views: {
            "rightContainer": { templateUrl: "ViewB.html" },
        },
        controller: function ($scope) {
            $scope.data.header = "Header 2"
        }
    });

I then want to have the header:

    <div data-ng-controller="mainCtrl">
                <div class='bg'>{{data.header}}</div>
    </div>

May be it's better using data github.com/angular-ui/ui-router/… — Whisher
– Whisher, Commented Sep 10, 2014 at 18:31

Whisher · Accepted Answer · 2014-09-10 18:38:08Z

1

You can use data https://github.com/angular-ui/ui-router/wiki#attach-custom-data-to-state-objects or just an other approach

.run(function ($state,$rootScope$filter,WindowUtils) {
        $rootScope.$state = $state;
        $rootScope.$on('$stateChangeSuccess', function(event, toState) {
            var stateName = toState.name;
            //switch 
            WindowUtils.setTitle(stateName);
         });
    })
    .factory('WindowUtils', function($window) {
        return {
            setTitle:function(title){
                var sep = ' - ';
                var current = $window.document.title.split(sep)[0];
                $window.document.title = current + sep + title;
            }
        };
    })

answered Sep 10, 2014 at 18:38

Whisher

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Comments

cheekybastard · Accepted Answer · 2014-09-14 10:44:39Z

1

The .state object has a data property for exactly what your trying to achieve. Just add data: {header: "Header 1"} to .state like so:

$stateProvider
.state('index', {
    url: "/",
    views: {
        "rightContainer": { templateUrl: "viewA.html" },
    },
    data: {header: "Header 1"}
})

Edit/Update

To access that data for page titles etc, its best if you use one controller for the index.html <head>, and use $scope.$on to push changes to a $scope.header on route change events. I would recommend having a look at the https://github.com/ngbp/ngbp project boilerplate for a working example.

HTML

https://github.com/ngbp/ngbp/blob/v0.3.2-release/src/index.html

<html ng-app="myApp" ng-controller="AppCtrl">
    <head>
        <title ng-bind="header"></title>
        ...
    </head>

app.js

https://github.com/ngbp/ngbp/blob/v0.3.2-release/src/app/app.js

.controller( 'AppCtrl', function AppCtrl ( $scope, $location ) {
    $scope.$on('$stateChangeSuccess', function(event, toState, toParams, fromState, fromParams){
    if ( angular.isDefined( toState.data.header ) ) {
        $scope.header = toState.data.header;
    }
});

edited Sep 14, 2014 at 10:44

answered Sep 11, 2014 at 1:40

cheekybastard

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2 Comments

KJ3 Over a year ago

This definitely seems to be the way to go, but how do I then access it. Doing it the way the docs suggest does not work. .controller("mainCtrl", function ($scope, $state){ var header = $state.current.data.header; }

Arne H. Bitubekk Over a year ago

Look at the answer here: stackoverflow.com/questions/26922451/… In other words you'd probably be able to get it by adding $state as paramterer to controller and then accessing it by $state.current.data.header

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