1 files changed, 74 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.Common/Notification/DialogViewVM.cs b/Software/Visual_Studio/PPC/Tango.PPC.Common/Notification/DialogViewVM.cs
new file mode 100644
index 000000000..b7a48f259
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Tango.PPC.Common/Notification/DialogViewVM.cs
@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core.Commands;
+using Tango.SharedUI;
+
+namespace Tango.PPC.Common.Notifications
+{
+    /// <summary>
+    /// Represents a dialog view model base class.
+    /// </summary>
+    /// <seealso cref="Tango.SharedUI.ViewModel" />
+    public abstract class DialogViewVM : ViewModel
+    {
+        public event Action Accepted;
+        public event Action Canceled;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DialogViewVM"/> class.
+        /// </summary>
+        public DialogViewVM()
+        {
+            CanClose = true;
+            CloseCommand = new RelayCommand(Cancel, (x) => CanClose);
+            OKCommand = new RelayCommand(Accept, (x) => CanClose);
+        }
+
+        private bool _canClose;
+        /// <summary>
+        /// Gets or sets a value indicating whether this dialog can be closed.
+        /// </summary>
+        public bool CanClose
+        {
+            get { return _canClose; }
+            set { _canClose = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
+        }
+
+        /// <summary>
+        /// Gets or sets the close command.
+        /// </summary>
+        public RelayCommand CloseCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the ok command.
+        /// </summary>
+        public RelayCommand OKCommand { get; set; }
+
+        /// <summary>
+        /// Called when the dialog has been shown.
+        /// </summary>
+        public virtual void OnShow()
+        {
+
+        }
+
+        /// <summary>
+        /// Invokes the <see cref="Accepted"/> event.
+        /// </summary>
+        protected virtual void Accept()
+        {
+            Accepted?.Invoke();
+        }
+
+        /// <summary>
+        /// Invokes the <see cref="Canceled"/> event.
+        /// </summary>
+        protected virtual void Cancel()
+        {
+            Canceled?.Invoke();
+        }
+    }
+}