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 (function() {
        'use strict';
        
        var app = angular.module('app', []);
        app.factory('app.svc.auth', [svcAuth]);
        app.directive('authorizeScope', ['app.svc.auth', dirAuthScope]);      
        app.controller('app.ctrl.grid', ['app.svc.auth', ctrlGrid]);
               
        function svcAuth() {

            //simple claims container for demo purposes
            var claims = { 'Name': 'Ozkary', 'Title': 'Tech', 'app.delete': true, 'app.edit': true, 'app.create': true };

            function hasClaim(key) {
                return claims[key];//todo  handle multiple claims
            }

            return {
                claims: claims,
                hasClaim:hasClaim
            };
        }
      
       function dirAuthScope($svcAuth) {
           return {
               restrict: 'E',
               scope: {
                   authorizeMapping: '&',
                   authorizeCallback: '&',                   
               },//isolate scope                                      
               link: function (scope, elem, attrs) {
                   console.log('loading isolate directive');
                   var watch = function () {
                       //get the claim to variable maps - execute call for claim mapping
                       var claims = scope.authorizeMapping()();
                       var callback = scope.authorizeCallback();
                      
                       if (claims && typeof (claims) === 'object') {
                          
                           for (var item in claims) {                              
                               var claim = claims[item];
                               var result = $svcAuth.hasClaim(claim);
                               claims[item] = result;
                           }
                           callback(claims);
                       }
                   }                   
                   scope.$watch(watch);
               }
           };
       };

       function ctrlGrid($svcAuth) {
           var ctrl = this;
           var storage = angular.copy($svcAuth.claims);
           ctrl.claims = $svcAuth.claims;
           

           ctrl.edit = function(key) {

               if (ctrl.selected === key) {
                   ctrl.selected = null;
               } else {
                   ctrl.selected = key;
               }               
           }

           ctrl.remove = function(key){
               delete ctrl.claims[key];
           }

           /*
           *  creates the mapping between controller variables to claim tag.
           */
           ctrl.claimMapping = function () {
               ctrl.editAccess = false;
               ctrl.deleteAccess = false;
               var mapping = {};
               mapping['editAccess'] = 'app.edit';
               mapping['deleteAccess'] = 'app.delete';
               //add other var/tag map
               return mapping;
           }


           /*
           *  sets the controller variables to true/false
           */
           ctrl.claimResults = function (claims) {
               ctrl.editAccess = claims['editAccess'];//set to true/false
               ctrl.deleteAccess = claims['deleteAccess'];
           }
    
       }
})();

<div ng-app="app">
  <div class="body-content panel-body">
    <div class="container-fluid">
    <div class="row">
                <div class="col-lg-12">
                    <h4 class="page-header">Isolate Scope Directive Claims Authorization - ozkary.com</h4>
                </div>
                <!-- /.col-lg-12 -->
    </div>
     <div class="row" ng-controller="app.ctrl.grid as ctrl">
                <div class="col-lg-12">
                    <div class="panel panel-default">
                        <div class="panel-heading">
                           My Claims
                        </div>
                        <!-- /.panel-heading -->
                        <div class="panel-body text-center" >      
                          <authorize-scope
                                 authorize-mapping="ctrl.claimMapping"                               
                                 authorize-callback="ctrl.claimResults">
                            </authorize-scope>
                              
                            <ul class="list-group text-left">
                                <li ng-repeat="(key,value) in ctrl.claims" class="list-group-item">
                                    <label style="width:150px;">{{key}}</label>
                                    <input type="text" class="form-control-static form-input" maxlength="25" ng-disabled="key !== ctrl.selected" ng-model="ctrl.claims[key]" />
                                    <span class="pull-right">
                                        <a ng-show="ctrl.deleteAccess" class="cursor-pointer" title="remove claim" ng-click="ctrl.remove(key)"><i class="fa fa-trash text-danger fa-2x"></i></a>
                                        <a ng-show="ctrl.editAccess" class="cursor-pointer" title="edit claim" ng-click="ctrl.edit(key)"><i class="fa fa-edit fa-2x"></i></a>
                                    </span>                              
                                </li>
                            </ul>                            
                        </div>
                        <!-- /.panel-body -->                      
                    </div>
                    <!-- /.panel -->
                </div>
                <!-- /.col-lg-12 -->               
            </div>
    
    </div>
  </div>
</div>
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