using HMI.Core.Api;
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using HMI.Core.Entity;
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using HMI.Core.Util;
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using log4net;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.IO;
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using System.Reflection;
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using System.Threading;
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using System.Windows;
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using System.Windows.Threading;
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namespace HMI.Base
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{
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public enum LoadMsgType
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{
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INIT, LOADING, FINISHED
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}
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public class LoadMsg
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{
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public string Message { get; set; }
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public bool? Result { get; set; }
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public LoadMsgType Type { get; set; }
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public int NumData { get; set; }
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}
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public class PluginLoader
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{
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private static ILog log = LogManager.GetLogger("PluginLoader");
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private static string PluginFolder = PathHelper.PluginFolder();
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public bool Completed { get; private set; } = false;
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public SqliteHelper sqliteHelper;
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public List<PluginInfo> Menus { get; private set; }
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public List<PluginInfo> Plugins { get; private set; }
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public static PluginLoader Instance { get; private set; }
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public event EventHandler<LoadMsg> LoadMessageAppend;
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private PluginLoader()
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{
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sqliteHelper = new SqliteHelper(PathHelper.DatabasePath);
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}
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public static PluginLoader GetLoader()
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{
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if (Instance == null)
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{
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Instance = new PluginLoader();
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}
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return Instance;
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}
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public void LoadMenuAndPlugin(Dispatcher dispatcher)
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{
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if (Menus == null)
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{
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Plugins = new List<PluginInfo>();
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Menus = LoadTreeMenu(dispatcher);
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dispatcher.Invoke(() =>
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{
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LoadMessageAppend?.Invoke(this, new LoadMsg { Type = LoadMsgType.FINISHED });
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});
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}
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}
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private void LoadChildrenMenu(PluginInfo menu, Dispatcher dispatcher)
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{
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LoadMessageAppend?.Invoke(this, new LoadMsg
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{
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Type = LoadMsgType.LOADING,
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Message = $"正在加载{menu.Name}菜单..."
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});
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try
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{
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Application.Current.Dispatcher.Invoke(() =>
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{
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if (!string.IsNullOrEmpty(menu.DllPath))
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{
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string dllPath = Path.Combine(PluginFolder, menu.DllPath);
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Assembly ass = Assembly.LoadFrom(dllPath);
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Type ClassType = ass.GetType(menu.ClassName);
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object Instance = Activator.CreateInstance(ClassType);
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menu.Content = Instance;
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if (Instance is IPlugin plugin)
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{
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plugin.SetLogger(LogManager.GetLogger(menu.Code));
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string configFolder = Path.Combine(PathHelper.ConfigFolder, menu.Code);
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if (!Directory.Exists(configFolder))
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{
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Directory.CreateDirectory(configFolder);
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}
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plugin.SetBaseFolder(configFolder);
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plugin.InitFinish();
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}
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Type SettingType = ass.GetType($"{menu.ClassName}_Setting");
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if (SettingType != null)
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{
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object SettingInstance = Activator.CreateInstance(SettingType);
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menu.SettingControl = SettingInstance;
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}
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}
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});
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Thread.Sleep(100);
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}
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catch (Exception ex)
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{
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LoadMessageAppend?.Invoke(this,
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new LoadMsg
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{
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Type = LoadMsgType.LOADING,
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Result = false,
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Message = $"{ex.Message} {ex.StackTrace}"
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});
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}
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}
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private void LoadChildrenMenu()
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{
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foreach (var menu in Plugins)
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{
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CountdownEvent c = new CountdownEvent(1);
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Thread.Sleep(100);
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Application.Current.Dispatcher.Invoke(new Action(() =>
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{
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try
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{
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LoadMessageAppend?.Invoke(this,
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new LoadMsg
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{
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Type = LoadMsgType.LOADING,
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Message = this.lang("App.IsLoadingMenu", menu.Name)
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}
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);
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if (!string.IsNullOrEmpty(menu.DllPath))
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{
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string dllPath = Path.Combine(PluginFolder, menu.DllPath);
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Assembly ass = Assembly.LoadFrom(dllPath);
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Type ClassType = ass.GetType(menu.ClassName);
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object Instance = Activator.CreateInstance(ClassType);
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menu.Content = Instance;
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if (Instance is IPlugin plugin)
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{
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plugin.SetLogger(LogManager.GetLogger(menu.Code));
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string configFolder = Path.Combine(PathHelper.ConfigFolder, menu.Code);
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if (!Directory.Exists(configFolder))
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{
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Directory.CreateDirectory(configFolder);
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}
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plugin.SetBaseFolder(configFolder);
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plugin.InitFinish();
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Type SettingType = ass.GetType($"{menu.ClassName}_Setting");
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if (SettingType != null)
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{
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object SettingInstance = Activator.CreateInstance(SettingType);
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if (SettingInstance is IFolderOwner fo)
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{
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fo.SetBaseFolder(configFolder);
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}
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menu.SettingControl = SettingInstance;
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}
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}
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}
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LoadMessageAppend?.Invoke(this,
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new LoadMsg
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{
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Type = LoadMsgType.LOADING,
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Result = true,
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Message = this.lang("App.MenuLoadSuccess", menu.Name),
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});
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}
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catch (Exception ex)
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{
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log.Error("Load Plugin Failed.", ex);
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LoadMessageAppend?.Invoke(this, new LoadMsg
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{
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Type = LoadMsgType.LOADING,
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Result = false,
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Message = this.lang("App.MenuLoadFailed", menu.Name, ex.Message, ex.StackTrace)
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});
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}
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finally
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{
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c.Signal();
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}
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}));
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c.Wait();
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}
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}
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public List<PluginInfo> LoadTreeMenu(Dispatcher dispatcher)
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{
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//LoadMessageAppend?.Invoke(this, "开始加载菜单...");
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List<PluginInfo> data = new List<PluginInfo>();
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Dictionary<string, PluginInfo> cache = new Dictionary<string, PluginInfo>();
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try
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{
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UserInfo user = UserInfo.User;
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string sql = $@"SELECT m.* FROM menu AS m INNER JOIN role_menu_rel AS rrel ON m.code = rrel.menuCode
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INNER JOIN role AS r ON rrel.roleCode = r.code
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INNER JOIN user_role_rel AS urel ON r.code = urel.roleCode
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AND urel.username = '{user.Username}' ORDER BY m.level, m.id;";
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DataTable dt = sqliteHelper.GetDataTable(sql);
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if (dt != null)
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{
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Application.Current.Dispatcher.Invoke(() =>
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{
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LoadMessageAppend?.Invoke(this,
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new LoadMsg
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{
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Type = LoadMsgType.INIT,
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NumData = dt.Rows.Count,
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Message = this.lang("App.MenuCount", dt.Rows.Count),
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});
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foreach (DataRow dr in dt.Rows)
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{
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string path = Path.Combine(PathHelper.IconFolder, dr["iconPath"].ToString());
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var menu = new PluginInfo
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{
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Code = dr["code"].ToString(),
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Name = dr["name"].ToString(),
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ParentCode = dr["parentCode"].ToString(),
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DllPath = dr["dllPath"].ToString(),
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ClassName = dr["className"].ToString(),
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IconFont = dr["icon"].ToString()
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//Icon = new BitmapImage(new Uri(Path.Combine(PathHelper.IconFolder, dr["iconPath"].ToString())))
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};
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cache[menu.Code] = menu;
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if (!cache.ContainsKey(menu.ParentCode))
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{
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data.Add(menu);
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}
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else
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{
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cache[menu.ParentCode].Children.Add(menu);
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}
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Plugins.Add(menu);
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}
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});
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LoadChildrenMenu();
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}
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}
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catch (Exception ex)
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{
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//LoadMessageAppend?.Invoke(this, ex.Message);
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}
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return data;
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}
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}
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}
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