From 5d883d4f6bd18ca80fe26b25ed04dc01d7544371 Mon Sep 17 00:00:00 2001
From: Roy <roy.mail.net@gmail.com>
Date: Sun, 25 Feb 2018 00:57:29 +0200
Subject: Improved data capturing seeking. Fixed possible issue in diagnostics
 file recorder. Some design improvement.

---
 .../ViewModels/MainViewVM.cs                       | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)

(limited to 'Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DataCapture/ViewModels/MainViewVM.cs')

diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DataCapture/ViewModels/MainViewVM.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DataCapture/ViewModels/MainViewVM.cs
index 269007dac..840863752 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DataCapture/ViewModels/MainViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DataCapture/ViewModels/MainViewVM.cs
@@ -122,6 +122,26 @@ namespace Tango.MachineStudio.DataCapture.ViewModels
         /// </summary>
         public RelayCommand MediaPlayPauseCommand { get; set; }
 
+        /// <summary>
+        /// Gets or sets the media seek forward command.
+        /// </summary>
+        public RelayCommand MediaSeekForwardCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the media seek backward command.
+        /// </summary>
+        public RelayCommand MediaSeekBackwardCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the media seek command.
+        /// </summary>
+        public RelayCommand<double> MediaSeekCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the media seek hold command.
+        /// </summary>
+        public RelayCommand MediaSeekHoldCommand { get; set; }
+
         #endregion
 
         #region Constructors
@@ -148,6 +168,10 @@ namespace Tango.MachineStudio.DataCapture.ViewModels
             MediaRecordingCommand = new RelayCommand(StartDiagnosticsRecording, () => !Recorder.IsRecording && MachineOperator != null && !Player.IsPlaying);
             MediaStopCommand = new RelayCommand(StopRecorderOrPlayer, () => Recorder.IsRecording || Player.IsPlaying);
             MediaPlayPauseCommand = new RelayCommand(DiagnosticsTogglePlayPause, () => !Recorder.IsRecording && SelectedRecording != null);
+            MediaSeekForwardCommand = new RelayCommand(MediaSeekForward, () => !Recorder.IsRecording && Player.IsPlaying);
+            MediaSeekBackwardCommand = new RelayCommand(MediaSeekBackward, () => !Recorder.IsRecording && Player.IsPlaying);
+            MediaSeekCommand = new RelayCommand<double>(MediaSeek, (x) => Player.IsPlaying);
+            MediaSeekHoldCommand = new RelayCommand(MediaSeekHold,() => Player.IsPlaying);
 
             _recordingsFolder = Path.Combine(SettingsManager.DefaultFolder, "Recordings");
             Directory.CreateDirectory(_recordingsFolder);
@@ -321,6 +345,39 @@ namespace Tango.MachineStudio.DataCapture.ViewModels
             InvalidateRelayCommands();
         }
 
+        private void MediaSeekBackward()
+        {
+            if (Player.IsPlaying)
+            {
+                Player.Seek(Player.CurrentFrame - 200);
+            }
+        }
+
+        private void MediaSeekForward()
+        {
+            if (Player.IsPlaying)
+            {
+                Player.Seek(Player.CurrentFrame + 200);
+            }
+        }
+
+        private void MediaSeek(double frame)
+        {
+            if (Player != null)
+            {
+                Player.Seek((int)frame);
+                Player.Play();
+            }
+        }
+
+        private void MediaSeekHold()
+        {
+            if (Player != null)
+            {
+                Player.Pause();
+            }
+        }
+
         #endregion
     }
 }
-- 
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