StartServerWPF/StartServerWPF.Modules.Main/ViewModels/TreeMenuViewModel.cs

using Prism.Commands;
using Prism.Events;
using Prism.Ioc;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using StartServerWPF.Modules.Main.Models;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace StartServerWPF.Modules.Main.ViewModels
{
    public class TreeMenuViewModel : BindableBase
    {
        private ObservableCollection<MenuItemModel> _menus;
        public ObservableCollection<MenuItemModel> Menus { get => _menus; set => SetProperty(ref _menus, value); }

    //    private List<MenuInfoDTO> origMenus = null;

        private IRegionManager _regionManager = null;
        private readonly IDialogService _dialogService;

        public TreeMenuViewModel(IContainerProvider containerProvider, IRegionManager regionManager, IEventAggregator ea, IDialogService dialogService)
        {
            _regionManager = regionManager;
            this._dialogService = dialogService;
            //var global = containerProvider.Resolve<GlobalEntity>();// 注册一个单例
         //   ea.GetEvent<LoginEvent>().Subscribe(OnLogin, ThreadOption.UIThread);
        }

        #region 事件

        public DelegateCommand AboutCommand => new(()=>
        {
            DialogParameters param=new DialogParameters();
            _dialogService.ShowDialog(
             "AboutDialogView",
             param,
             new Action<IDialogResult>(result =>
             {
                 if (result != null && result.Result == ButtonResult.OK)
                 {
                     MessageBox.Show("数据已保存", "提示");
                 }
             }));
        });
        #endregion



        //private void OnLogin(LoginPayload loginPayload)
        //{
        //    Menus = new ObservableCollection<MenuItemModel>();
        //    if (!loginPayload.IsLogingIn)  //
        //    {
        //        //登录完成更新措菜单
        //        if (GlobalEntity.CurrentUserInfo != null)
        //        {
        //            origMenus = GlobalEntity.CurrentUserInfo.Menus;
        //            this.FillMenus(Menus, 0);
        //        }
        //    }
        //}
        ///递归
        ///
        private void FillMenus(ObservableCollection<MenuItemModel> menus, int parentId)
        {
        //    var sub = origMenus.Where(m => m.ParentId == parentId).OrderBy(o => o.Index);

            //if (sub.Count() > 0)
            //{
            //    foreach (var item in sub)
            //    {
            //        MenuItemModel mm = new MenuItemModel(_regionManager)
            //        {
            //            MenuHeader = item.MenuHeader,
            //            MenuIcon = item.MenuIcon,
            //            TargetView = item.TargetView
            //        };
            //        menus.Add(mm);

            //        FillMenus(mm.Children = new ObservableCollection<MenuItemModel>(), item.MenuId);
            //    }
            //}
        }

    }
}