Implemented Application Initialization Error and Handling.

2 files changed, 54 insertions, 0 deletions

diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingErrorViewVM.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingErrorViewVM.cs
new file mode 100644
index 000000000..3c05e3690
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingErrorViewVM.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core.Commands;
+using Tango.PPC.Common;
+using Tango.PPC.Common.Navigation;
+
+namespace Tango.PPC.UI.ViewModels
+{
+    public class LoadingErrorViewVM : PPCViewModel, INavigationObjectReceiver<Exception>
+    {
+        private String _error;
+        public String Error
+        {
+            get { return _error; }
+            set { _error = value; RaisePropertyChangedAuto(); }
+        }
+
+        public RelayCommand RestartCommand { get; set; }
+
+        public LoadingErrorViewVM()
+        {
+            RestartCommand = new RelayCommand(Restart);
+        }
+
+        public override void OnApplicationStarted()
+        {
+
+        }
+
+        public void OnNavigatedToWithObject(Exception ex)
+        {
+            Error = ex.Message;
+        }
+
+        private void Restart()
+        {
+            ApplicationManager.Restart();
+        }
+    }
+}
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingViewVM.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingViewVM.cs
index 486829103..5598362be 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingViewVM.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LoadingViewVM.cs
@@ -54,6 +54,17 @@ namespace Tango.PPC.UI.ViewModels
             {
                 Task.Delay(1000).ContinueWith((x) => { IsLoading = true; });
             }
+
+            applicationManager.ApplicationInitializationError += ApplicationManager_ApplicationInitializationError;
+        }
+
+        private void ApplicationManager_ApplicationInitializationError(object sender, Exception ex)
+        {
+            InvokeUI(() =>
+            {
+                NavigationManager.NavigateWithObject<Exception>(NavigationView.LoadingErrorView, ex);
+                IsLoading = false;
+            });
         }
 
         /// <summary>