Added countdown timer. Currently counts seconds from n to 0 with various events and callbacks

Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj

@@ -175,6 +175,7 @@
     <Compile Include="SmartObjects\SmartObjectHelper.cs" />
     <Compile Include="SmartObjects\SmartObjectHelperBase.cs" />
     <Compile Include="Routing\TieLine.cs" />
+    <Compile Include="Timers\CountdownTimer.cs" />
     <Compile Include="Touchpanels\MOVED LargeTouchpanelControllerBase.cs" />
     <Compile Include="Touchpanels\TriListExtensions.cs" />
     <Compile Include="Touchpanels\MOVED UIControllers\DevicePageControllerBase.cs" />

Essentials Core/PepperDashEssentialsBase/Timers/CountdownTimer.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+using PepperDash.Core;
+
+namespace PepperDash.Essentials.Core
+{
+    public class SecondsCountdownTimer: IKeyed
+    {
+        public string Key { get; private set; }
+
+        public BoolFeedback IsRunningFeedback { get; private set; }
+        bool _IsRunning;
+
+        public IntFeedback PercentFeedback { get; private set; }
+        public StringFeedback TimeRemainingFeedback { get; private set; }
+
+        public bool CountsDown { get; set; }
+        public int SecondsToCount { get; set; }
+        
+        public Action CompletionAction { get; set; }
+        public Action CancelAction { get; set; }
+
+        CTimer SecondTimer;
+        public DateTime StartTime { get; private set; }
+        public DateTime FinishTime { get; private set; }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="key"></param>
+        public SecondsCountdownTimer(string key)
+        {
+            Key = key;
+            IsRunningFeedback = new BoolFeedback(() => _IsRunning);
+
+            TimeRemainingFeedback = new StringFeedback(() =>
+                {
+                    // Need to handle up and down here.
+
+                    if (StartTime == null || FinishTime == null)
+                        return "";
+                    var timeSpan = FinishTime - DateTime.Now;
+                    return Math.Round(timeSpan.TotalSeconds).ToString();
+                });
+
+            PercentFeedback = new IntFeedback(() =>
+            {
+                if (StartTime == null || FinishTime == null)
+                    return 0;
+                double percent = (FinishTime - DateTime.Now).TotalSeconds
+                    / (FinishTime - StartTime).TotalSeconds 
+                    * 100;
+                return (int)percent;
+            });
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public void Start()
+        {
+            if (_IsRunning)
+                return;
+            StartTime = DateTime.Now;
+            FinishTime = StartTime + TimeSpan.FromSeconds(SecondsToCount);
+
+            if (SecondTimer != null)
+                SecondTimer.Stop();
+            SecondTimer = new CTimer(SecondElapsedTimerCallback, null, 0, 1000);
+            _IsRunning = true;
+            IsRunningFeedback.FireUpdate();
+
+        }
+
+        public void Cancel()
+        {
+            CleanUp();
+            var a = CancelAction;
+            if (a != null)
+                a();
+        }
+
+        public void Reset()
+        {
+            _IsRunning = false;
+            Start();
+        }
+
+        public void Finish()
+        {
+            CleanUp();
+            var a = CompletionAction;
+            if (a != null)
+                a();
+        }
+
+        void CleanUp()
+        {
+            if (SecondTimer != null)
+                SecondTimer.Stop();
+            _IsRunning = false;
+            IsRunningFeedback.FireUpdate();
+        }
+
+        void SecondElapsedTimerCallback(object o)
+        {
+            PercentFeedback.FireUpdate();
+            TimeRemainingFeedback.FireUpdate();
+
+            if (DateTime.Now >= FinishTime)
+                Finish();
+        }
+    }
+}

Essentials Core/PepperDashEssentialsBase/Touchpanels/ModalDialog.cs

@@ -162,8 +162,6 @@ namespace PepperDash.Essentials.Core
 				return true;
 			}
 
-			// Dialog is busy
-			//Debug.Console(2, "Modal is already visible");
 			return false;
 		}