✨ feture 增加关联实时文件夹

Util/FileWatcher.cs

@@ -0,0 +1,138 @@
+using GeekDesk.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Util
+{
+    public class FileWatcher
+    {
+        public static Dictionary<FileSystemWatcher, MenuInfo> linkMenuMap = new Dictionary<FileSystemWatcher, MenuInfo>();
+        /// <summary>
+        /// 实时文件夹监听
+        /// </summary>
+        /// <param name="path"></param>
+        public static void LinkMenuWatcher(MenuInfo menuInfo)
+        {
+            try
+            {
+                FileSystemWatcher fileSystemWatcher = new FileSystemWatcher
+                {
+                    Path = menuInfo.LinkPath,
+                };
+                linkMenuMap.Add(fileSystemWatcher, menuInfo);
+                fileSystemWatcher.EnableRaisingEvents = true;
+                fileSystemWatcher.Changed += LinkIcon_Changed;
+                fileSystemWatcher.Deleted += LinkIcon_Deleted;
+                fileSystemWatcher.Created += LinkIcon_Created;
+                fileSystemWatcher.Renamed += LinkIcon_Renamed;
+            } catch (Exception e)
+            {
+                LogUtil.WriteErrorLog(e, "添加LinkMenu监听异常");
+            }
+            
+        }
+
+        private static void LinkIcon_Renamed(object sender, RenamedEventArgs e)
+        {
+            IconInfo iconInfo = getIconInfoByPath(sender, e.OldFullPath);
+            iconInfo.Name = e.Name;
+            iconInfo.Path = e.FullPath;
+        }
+
+        private static void LinkIcon_Changed(object sender, FileSystemEventArgs e)
+        {
+            IconInfo iconInfo = getIconInfoByPath(sender, e.FullPath);
+            if (iconInfo != null)
+            {
+                IconInfo newIconInfo = CommonCode.GetIconInfoByPath(e.FullPath);
+                iconInfo.BitmapImage = newIconInfo.BitmapImage;
+            }
+            
+        }
+        private static void LinkIcon_Deleted(object sender, FileSystemEventArgs e)
+        {
+            IconInfo iconInfo = getIconInfoByPath(sender, e.FullPath);
+            App.Current.Dispatcher.Invoke(() =>
+            {
+                linkMenuMap[sender as FileSystemWatcher].IconList.Remove(iconInfo);
+            });
+        }
+        private static void LinkIcon_Created(object sender, FileSystemEventArgs e)
+        {
+            IconInfo iconInfo = CommonCode.GetIconInfoByPath(e.FullPath);
+            App.Current.Dispatcher.Invoke(() =>
+            {
+                linkMenuMap[sender as FileSystemWatcher].IconList.Add(iconInfo);
+            });
+        }
+
+        private static IconInfo getIconInfoByPath(object sender, string path)
+        {
+            MenuInfo menuInfo = linkMenuMap[sender as FileSystemWatcher];
+            foreach (IconInfo iconInfo in menuInfo.IconList)
+            {
+                if (iconInfo.Path.Equals(path))
+                {
+                    return iconInfo;
+                }
+            }
+            return null;
+        }
+
+        /// <summary>
+        /// 开启所有菜单监听
+        /// </summary>
+        /// <param name="appData"></param>
+        public static void StartLinkMenuWatcher(AppData appData)
+        {
+            foreach (MenuInfo menuInfo in appData.MenuList)
+            {
+                if (menuInfo.MenuType == Constant.MenuType.LINK)
+                {
+                    LinkMenuWatcher(menuInfo);
+                }
+            }
+        }
+
+        /// <summary>
+        /// 移除菜单监听
+        /// </summary>
+        /// <param name="menuInfo"></param>
+        public static void RemoveLinkMenuWatcher(MenuInfo menuInfo)
+        {
+            try
+            {
+                foreach (FileSystemWatcher watcher in linkMenuMap.Keys)
+                {
+                    if (linkMenuMap[watcher] == menuInfo)
+                    {
+                        //释放资源
+                        watcher.Changed -= LinkIcon_Changed;
+                        watcher.Created -= LinkIcon_Created;
+                        watcher.Deleted -= LinkIcon_Deleted;
+                        watcher.Renamed -= LinkIcon_Renamed;
+                        watcher.EnableRaisingEvents = false;
+                        watcher.Dispose();
+                        linkMenuMap.Remove(watcher);
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                //nothing
+            }
+        }
+
+
+
+
+
+
+      
+    }
+}