UI-Routes show ui-dialog on route

routes.js

.state("items.add", {
    url: "/add",
    onEnter: function($stateParams, $state, $dialog, $resource) {

        var Item = $resource(...);

        $dialog.dialog({
            keyboard: true,
            templateUrl: "items/add",
            backdropClick: false,
            dialogFade: true,
            controller: ['$scope', function($scope) {

                angular.extend($scope, {
                    title: "Create new item",
                    button: "Add",
                    campaign: new Item(),
                    $stateParams: $stateParams,
                    $state: $state,
                    save: function() {
                        var self = $scope;

                        this.item.$save(function() {
                            self.$emit('items.refresh');
                            $state.transitionTo('items');
                        });
                    }
                });
            }]
        }).open().then(function(result) {
            if (!result) {
                return $state.transitionTo("items");
            }
        });
    }
});