add onFailed to mensaplan

CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs

@@ -12,6 +12,7 @@ namespace CampusAppWP8.Pages.Mensa
     using CampusAppWP8.Feed.GeoApi;
     using CampusAppWP8.Feed.Mensa;
     using Microsoft.Phone.Controls;
+    using System.Windows;
 
     /// <summary>
     /// Class for the MensaPage
@@ -99,6 +100,15 @@ namespace CampusAppWP8.Pages.Mensa
             this.InitializeFeed(this.campusApi.GetCampus());
         }
 
+        /// <summary>
+        ///  Method will be execute if the SPSAPI is failed
+        /// </summary>
+        private void SpsApiIsFail()
+        {
+            MessageBoxResult result = MessageBox.Show("LoadModel Failed", "Fehler", MessageBoxButton.OK);
+            this.InitializeFeed(Settings.UserProfil.DefaultCampus);
+        }
+
         /// <summary>
         /// Method determine campus and load data from correct feed
         /// </summary>
@@ -106,6 +116,7 @@ namespace CampusAppWP8.Pages.Mensa
         {
             this.campusApi = new CampusSpsApi();
             this.campusApi.onLoaded += new SpsApi.OnLoaded(this.SpsApiIsReady);
+            this.campusApi.onFailed += new SpsApi.OnFailed(this.SpsApiIsFail);
             this.campusApi.SetupCurrentCampusRequest();
             this.campusApi.LoadData();
         }
@@ -118,6 +129,7 @@ namespace CampusAppWP8.Pages.Mensa
         {
             this.feed = MensaFeed.CreateCampusMensaFeed(campus);
             this.feed.onLoaded += new MensaFeed.OnLoaded(this.FeedIsReady);
+            this.feed.onFailed += new MensaFeed.OnFailed(this.FeedIsFail);
             this.CalcSelectedIndex();
 
             if (this.forceLoad)
@@ -162,6 +174,14 @@ namespace CampusAppWP8.Pages.Mensa
             this.ProgressBar.Visibility = System.Windows.Visibility.Collapsed;
         }
 
+        /// <summary>
+        /// Method will be execute if the feed is failed
+        /// </summary>
+        private void FeedIsFail()
+        {
+            MessageBoxResult result = MessageBox.Show("LoadModel Failed", "Fehler", MessageBoxButton.OK);
+        }
+
         /// <summary>
         /// Method set ItemSource and SelectedIndex for the pivot
         /// </summary>