Subregions auto update. ButterflowWrapper now calls butterflow.exe

butterflow-ui/ButterflowWrapper.cs

@@ -9,12 +9,35 @@ using System.Threading.Tasks;
 
 namespace butterflow_ui
 {
-    public class ButterflowWrapper
+    public class ButterflowWrapper : PropertyChangedAlerter
     {
         #region Members
 
         /// <summary> Full pathname of the butterflow executable file. </summary>
-        private Lazy<string> executablePath = new Lazy<string>(() => Path.Combine(Assembly.GetExecutingAssembly().Location, "ThirdPartyCompiled", "butterflow.exe"));
+        private Lazy<string> executablePath = new Lazy<string>(() => Path.Combine(Directory.GetCurrentDirectory(), "ThirdPartyCompiled", "butterflow.exe"));
+        /// <summary> The console output from butterflow. </summary>
+        private string consoleOutput = string.Empty;
+        /// <summary> Event queue for all listeners interested in ConsoleOutputRecieved events. </summary>
+        //public event EventHandler<ButterflowConsoleOutputArgs> ConsoleOutputRecieved;
+
+        #endregion
+
+        #region Properties
+
+        /// <summary> Gets the console output from butterflow. </summary>
+        /// <value> The console output from butterflow. </value>
+        public string ConsoleOutput
+        {
+            get
+            {
+                return this.consoleOutput;
+            }
+            private set
+            {
+                this.consoleOutput = value;
+                OnPropertyChanged();
+            }
+        }
 
         #endregion
 
@@ -29,20 +52,74 @@ namespace butterflow_ui
             Run(arguments);
         }
 
+        /// <summary> Probes a video file. </summary>
+        /// <param name="videoFile"> The video file to be probed. </param>
         public void Probe(string videoFile)
         {
             string arguments = string.Format("-prb \"{0}\"", videoFile);
+            Run(arguments);
         }
 
         /// <summary> Runs butterflow with the given <paramref name="arguments"/>. </summary>
         /// <param name="arguments">     Options for controlling the operation. </param>
         private void Run(string arguments)
         {
-            var processStartInfo = new ProcessStartInfo(executablePath.Value, arguments);
+            var process = new Process();
+            process.StartInfo = new ProcessStartInfo(executablePath.Value, arguments);
 
-            processStartInfo.CreateNoWindow = true;
-            processStartInfo.UseShellExecute = false;
-            processStartInfo.RedirectStandardOutput = true;
+            process.StartInfo.CreateNoWindow = true;
+            process.StartInfo.UseShellExecute = false;
+            process.StartInfo.RedirectStandardOutput = true;
+            process.EnableRaisingEvents = true;
+            process.OutputDataReceived += ProcessOutputDataReceived;
+
+            process.Start();
+            process.BeginOutputReadLine();
+        }
+
+        /// <summary> Process the output data received from the butterflow executable. </summary>
+        /// <param name="sender"> Source of the event. </param>
+        /// <param name="e">      Data received event information. </param>
+        private void ProcessOutputDataReceived(object sender, DataReceivedEventArgs e)
+        {
+            this.ConsoleOutput += string.Format("{0}{1}", e.Data, Environment.NewLine);
+            //OnConsoleOutputRecieved(e.Data);
+        }
+
+        /// <summary> Executes the console output recieved event handler. </summary>
+        /// <param name="output"> The output that has been recieved from butterflow. </param>
+        //protected void OnConsoleOutputRecieved(string output)
+        //{
+        //    if (this.ConsoleOutputRecieved != null)
+        //    {
+        //        this.ConsoleOutputRecieved(this, new ButterflowConsoleOutputArgs(output));
+        //    }
+        //}
+
+        #endregion
+
+        #region Subclasses
+
+        public class ButterflowConsoleOutputArgs : EventArgs
+        {
+            #region Properties
+
+            /// <summary> Gets the console output. </summary>
+            /// <value> The console output. </value>
+            public string ConsoleOutput { get; private set; }
+
+            #endregion
+
+            #region Constructors
+
+            /// <summary> Constructor. </summary>
+            /// <param name="consoleOutput"> The console output. </param>
+            public ButterflowConsoleOutputArgs(string consoleOutput)
+            {
+                this.ConsoleOutput = consoleOutput;
+            }
+
+            #endregion
         }
 
         #endregion