Completata search libera (senza debounce da sistemare)

MP.Prog/Data/MessageService.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using System.Timers;
 
 namespace MP.Prog.Data
 {
@@ -12,11 +13,17 @@ namespace MP.Prog.Data
         private SelectData _fileFilter = SelectData.Init(5, 15);
         private string _pageIcon;
         private string _pageName;
-        private string _searchVal;
+        private string _searchVal = "";
         private bool showSearch;
 
         #endregion Private Fields
 
+        #region Protected Fields
+
+        protected Timer SearchTimer;
+
+        #endregion Protected Fields
+
         #region Public Events
 
         public event Action EA_FilterUpdated;
@@ -41,11 +48,7 @@ namespace MP.Prog.Data
                 if (_fileFilter != value)
                 {
                     _fileFilter = value;
-
-                    if (EA_FilterUpdated != null)
-                    {
-                        EA_FilterUpdated?.Invoke();
-                    }
+                    ReportFilter();
                 }
             }
         }
@@ -84,11 +87,8 @@ namespace MP.Prog.Data
                 if (_searchVal != value)
                 {
                     _searchVal = value;
-
-                    if (EA_SearchUpdated != null)
-                    {
-                        EA_SearchUpdated?.Invoke();
-                    }
+                    //TriggerSearch();
+                    ReportSearch();
                 }
             }
         }
@@ -103,17 +103,11 @@ namespace MP.Prog.Data
                     showSearch = value;
                     if (showSearch)
                     {
-                        if (EA_ShowSearch != null)
-                        {
-                            EA_ShowSearch?.Invoke();
-                        }
+                        ReportShowSearch();
                     }
                     else
                     {
-                        if (EA_HideSearch != null)
-                        {
-                            EA_HideSearch?.Invoke();
-                        }
+                        ReportHideSearch();
                     }
                 }
             }
@@ -123,6 +117,22 @@ namespace MP.Prog.Data
 
         #region Private Methods
 
+        private void ReportFilter()
+        {
+            if (EA_FilterUpdated != null)
+            {
+                EA_FilterUpdated?.Invoke();
+            }
+        }
+
+        private void ReportHideSearch()
+        {
+            if (EA_HideSearch != null)
+            {
+                EA_HideSearch?.Invoke();
+            }
+        }
+
         private void ReportPageUpd()
         {
             if (EA_PageUpdated != null)
@@ -139,6 +149,38 @@ namespace MP.Prog.Data
             }
         }
 
+        private void ReportShowSearch()
+        {
+            if (EA_ShowSearch != null)
+            {
+                EA_ShowSearch?.Invoke();
+            }
+        }
+
+        private void SearchTimerElapsed_TickAsync(object sender, EventArgs e)
+        {
+            DisposeSearchTimer();
+            ReportSearch();
+        }
+
+        private void TriggerSearch()
+        {
+            DisposeSearchTimer();
+            SearchTimer = new Timer(150);
+            SearchTimer.Elapsed += SearchTimerElapsed_TickAsync;
+            SearchTimer.Enabled = true;
+            SearchTimer.Start();
+        }
+
         #endregion Private Methods
+
+        #region Protected Methods
+
+        protected void DisposeSearchTimer()
+        {
+            SearchTimer.Dispose();
+        }
+
+        #endregion Protected Methods
     }
 }