AngularJS Using Service Variable With Ng-if
I want to be able to determine which directive is displayed based on a variable from a shared service. This is what I have so far. main.html ).controller('MainController', MainController)
MainController.$inject = ['stateChangeService'];
function MainController(stateChangeService){
var vm = this;
vm.stateChangeService = stateChangeService;
}
<body ng-controller="MainController as mc">
<character-select ng-if="mc.stateChangeService.playerState === 'characterSelect'"></character-select>
<fight-display ng-if="mc.stateChangeService.playerState === 'fight'"></fight-display>
</body>
Solution 2:
View in Angular can access variables in current $scope or parent scopes. so you have to assign service to current $scope or $rootScope.
(function() {
angular.module('app')
// your service
.service('myService', myServiceFunction);
function myServiceFunction(){
this.data = function(){ return true; };
};
// your controller
.controller('myController', myControllerFunction);
// inject $scope and service
myControllerFunction.$inject=['$scope','myService'];
function myControllerFunction($scope, myService){
//attatch service to current scope
$scope.myService = myService;
};
})();
<div ng-app='app' ng-controller="myController">
{{myService.data()}}
</div>Solution 3:
You can only use those variable on view/HTML which are bounded to $scope or this(while using controllerAs pattern). You should expose your service/factory/constant on view, OR rather better way would write a getter for accessing particular variable from service. Its best practice to expose relevant matter from service. There after you could call that getter from view like getPlayerState()
HTML
<character-select ng-if="getPlayerState() === 'characterSelect'"></character-select>
<fight-display ng-if="getPlayerState() === 'fight'"></fight-display>
Code
app.controller('myCtrl', function(stateChangeService, $scope){
$scope.getPlayerState = function(){
return stateChangeService.playerState;
}
})
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