Implemented INotifyPropertyChanged on MewtocolInterface

- added event for disconnect
- counted up version number

MewtocolNet/Mewtocol/MewtocolInterface.cs

@@ -11,33 +11,58 @@ using MewtocolNet.RegisterAttributes;
 using MewtocolNet.Logging;
 using System.Collections;
 using System.Diagnostics;
+using System.ComponentModel;
 
 namespace MewtocolNet {
 
     /// <summary>
     /// The PLC com interface class
     /// </summary>
-    public partial class MewtocolInterface {
+    public partial class MewtocolInterface : INotifyPropertyChanged {
 
         /// <summary>
         /// Gets triggered when the PLC connection was established
         /// </summary>
         public event Action<PLCInfo> Connected;
 
+        /// <summary>
+        /// Gets triggered when the PLC connection was closed or lost
+        /// </summary>
+        public event Action Disconnected;
+
         /// <summary>
         /// Gets triggered when a registered data register changes its value
         /// </summary>
         public event Action<Register> RegisterChanged;
 
+        /// <summary>
+        /// Gets triggered when a property of the interface changes
+        /// </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        private bool isConnected;
         /// <summary>
         /// The current connection state of the interface
         /// </summary>
-        public bool IsConnected { get; private set; }       
+        public bool IsConnected {
+            get => isConnected;
+            private set {
+                isConnected = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsConnected)));
+            }
+        }
 
+        private PLCInfo plcInfo;
         /// <summary>
         /// Generic information about the connected PLC
         /// </summary>
-        public PLCInfo PlcInfo { get; private set; }
+        public PLCInfo PlcInfo { 
+            get => plcInfo; 
+            private set {
+                plcInfo = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(PlcInfo)));
+            }
+        }
 
         /// <summary>
         /// The registered data registers of the PLC
@@ -61,6 +86,19 @@ namespace MewtocolNet {
         /// </summary>
         public int StationNumber => stationNumber;
 
+        private int cycleTimeMs;
+        /// <summary>
+        /// The duration of the last message cycle
+        /// </summary>
+        public int CycleTimeMs {
+            get { return cycleTimeMs; }
+            set {
+                cycleTimeMs = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(CycleTimeMs)));
+            }
+        }
+
+
         internal List<Task> PriorityTasks { get; set; } = new List<Task>();
 
         #region Initialization
@@ -90,7 +128,8 @@ namespace MewtocolNet {
 
             RegisterChanged += (o) => {
 
-                string address = $"{o.GetRegisterString()}{o.MemoryAdress}".PadRight(5, (char)32); ;
+                string address = $"{o.GetRegisterString()}{o.MemoryAdress}".PadRight(5, (char)32);
+                ;
 
                 Logger.Log($"{address} " +
                            $"{(o.Name != null ? $"({o.Name}) " : "")}" +
@@ -144,6 +183,7 @@ namespace MewtocolNet {
 
                 if (OnFailed != null) {
                     OnFailed();
+                    Disconnected?.Invoke();
                     Logger.Log("Initial connection failed", LogLevel.Info, this);
                 }
 
@@ -561,7 +601,11 @@ namespace MewtocolNet {
 
                 } catch (Exception) {
 
+                    if (IsConnected) {
                         IsConnected = false;
+                        Disconnected?.Invoke();
+                    }
+
                     KillPoller();
                     Logger.Log("The PLC connection was closed", LogLevel.Error, this);
                     return null;

MewtocolNet/MewtocolNet.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>MewtocolNet</PackageId>
-    <Version>0.3.2</Version>
+    <Version>0.3.3</Version>
     <Authors>Felix Weiss</Authors>
     <Company>Womed</Company>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>