TFT_PlcItemAutoTest/BlankApp1/BlankApp1/ViewModels/MainWindowViewModel.cs

using AutoMapper;
using BizService;
using BlankApp1.Common;
using BlankApp1.Views;
using Microsoft.Extensions.Logging;
using Model.Dto;
using PLCTool.Common;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Threading.Tasks;
using System.Windows;

namespace BlankApp1.ViewModels
{
    public class MainWindowViewModel : BindableBase, IConfigureService
    {
        private readonly ILogger _logger;
        private readonly IRegionManager _regionManager;
        private readonly IMapper _mapper;

        private string _title = "Prism Application";
        private IRegionNavigationJournal journal;
        public string Title
        {
            get { return _title; }
            set { SetProperty(ref _title, value); }
        }

        public MainWindowViewModel(IRegionManager regionManager,ILogger logger,IProductService productService, IMapper mapper)
        {
            this._regionManager = regionManager;
            this._logger = logger;
            this._mapper = mapper;
        
            ButtonNavigateCommand = new DelegateCommand<string>(ButtonNavigate);
            BackCommand = new DelegateCommand(GoBack);
            NextCommand = new DelegateCommand(GoNext);
            JudgePLC();
            logger.LogInformation("info");
            logger.LogError("error");
            //_regionManager.Regions["MeunRegion"].RequestNavigate("TreeMenuView");


        }


        private void GoNext()
        {
            if(journal.CanGoForward)
                journal.GoForward();    
        }

        private void GoBack()
        {
            if(journal.CanGoBack)
                journal.GoBack();
        }

        private void ButtonNavigate(string strPar)
        {
            if (strPar == null || string.IsNullOrWhiteSpace(strPar))
            {
                return;
            }
            //导航页面
            _regionManager.Regions["ContentRegion"].RequestNavigate(strPar,arg=>
            {
                journal=arg.Context.NavigationService.Journal;
            });
        }

        /// <summary>
        /// 配置首页初始化参数，这个Configure是实现的接口IConfigureService中定义的方法；
        /// </summary>
        public void Configure()
        {

            //默认进入简报页面
            _regionManager.Regions["ContentRegion"].RequestNavigate("LogView");
            _regionManager.Regions["MenuRegion"].RequestNavigate("TreeMenuView");
            _regionManager.Regions["ContentRegion"].RequestNavigate("StatisticsView");
         
        
           

        }
        /// <summary>
        /// 连接PLC
        /// </summary>
        private void JudgePLC()
        {
            
                Task.Run(async () =>
                {
                    while (true)
                    {
                       
                        //更新界面上的值
                        Application.Current.Dispatcher.Invoke(() =>
                        {
                            PLCIsConnect = PLCCom.GetInstance().IsConnectPLC();


                        });

                        await Task.Delay(5000);
                    }

                });
            
        }
        #region 命令绑定
        public DelegateCommand<string> ButtonNavigateCommand { set; get; }
        public DelegateCommand NextCommand { set; get; }
        public DelegateCommand BackCommand { set; get; }
        #endregion
        #region 数据绑定


        private bool plcIsConnect = false;
        public bool PLCIsConnect
        {
            get { return plcIsConnect; }
            set { plcIsConnect = value; RaisePropertyChanged(); }
        }
        #endregion
    }
}