Added FileWatcher.

Author: neogeek

Assets/Plugins/CandyCoded.GitStatus/Scripts/CustomEditor/FileWatcher.cs

@@ -0,0 +1,79 @@
+// Copyright (c) Scott Doxey. All Rights Reserved. Licensed under the MIT License. See LICENSE in the project root for license information.
+
+#if UNITY_EDITOR
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+
+namespace CandyCoded.GitStatus
+{
+
+    [InitializeOnLoad]
+    public static class FileWatcher
+    {
+
+        public delegate void EventHandler();
+
+        public static event EventHandler UpdateEvent;
+
+        private static FileSystemWatcher _fileSystemWatcher;
+
+        private static bool _changeRegistered;
+
+        static FileWatcher()
+        {
+
+            if (_fileSystemWatcher != null)
+            {
+
+                return;
+
+            }
+
+            _fileSystemWatcher = new FileSystemWatcher(Application.dataPath);
+
+            _fileSystemWatcher.Changed += OnChanged;
+
+            _fileSystemWatcher.NotifyFilter = NotifyFilters.LastWrite;
+            _fileSystemWatcher.Filter = "*.*";
+            _fileSystemWatcher.IncludeSubdirectories = true;
+            _fileSystemWatcher.EnableRaisingEvents = true;
+
+        }
+
+        private static void OnChanged(object sender, FileSystemEventArgs e)
+        {
+
+            if (e.FullPath.EndsWith(".meta"))
+            {
+
+                return;
+
+            }
+
+            if (!_changeRegistered)
+            {
+
+                EditorApplication.update += OnAllChanged;
+
+                _changeRegistered = true;
+
+            }
+
+        }
+
+        private static void OnAllChanged()
+        {
+
+            UpdateEvent?.Invoke();
+
+            EditorApplication.update -= OnAllChanged;
+
+            _changeRegistered = false;
+
+        }
+
+    }
+
+}
+#endif