BPASmartClient/BPASmartClient.ViewModel/MainViewModel.cs

using BPASmartClient.Business;
using BPASmartClient.Helper;
using BPASmartClient.Message;
using Microsoft.Toolkit.Mvvm.ComponentModel;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Threading;

namespace BPASmartClient.ViewModel
{
    /// <summary>
    /// 主界面
    /// </summary>
    public class MainViewModel : ObservableObject
    {
        /// <summary>
        /// 网络连接状态
        /// </summary>
        private bool _NetworkConnectState = true;
        public bool NetworkConnectState
        {
            get
            {
                return _NetworkConnectState;
            }
            set
            {
                if (_NetworkConnectState == value)
                    return;
                _NetworkConnectState = value;
                OnPropertyChanged("NetworkConnectState");
            }
        }
        /// <summary>
        /// 是否告警
        /// </summary>
        public AlarmModel IsAlarm { get; set; }
        public System.Windows.Window window;
        public DispatcherTimer dispatcherTimer;
        #region 单一
        private volatile static MainViewModel _Instance;
        public static MainViewModel GetInstance() => _Instance ?? (_Instance = new MainViewModel());

        #endregion

        public MainViewModel()
        {
            IsAlarm =new AlarmModel();
            OrderStatusViewModel.Init();
            //设备告警日志
            MessageLog.GetInstance.AlarmLogNotify = new Action(() =>
            {
                System.Windows.Application.Current?.Dispatcher.Invoke((Action)(() =>
                {
                    IsAlarm.IsCheck = MessageLog.GetInstance.DPAlarmInfo.Count > 0;
                    IsAlarm.ListNum = MessageLog.GetInstance.DPAlarmInfo.Count;
                }));
            });

            dispatcherTimer = new DispatcherTimer();
            dispatcherTimer.Tick += delegate
            {
                System.Windows.Application.Current?.Dispatcher.Invoke((Action)(() =>
                {
                    NetworkConnectState = UniversalHelper.GetInstance().GetNetworkState();
                }));
            };
            dispatcherTimer.Interval = TimeSpan.FromSeconds(1);
            dispatcherTimer.Start();
        }
    }

    public class AlarmModel : ObservableObject
    {
        /// <summary>
        /// 是否告警
        /// </summary>
        private bool _IsCheck = false;
        public bool IsCheck
        {
            get
            {
                return _IsCheck;
            }
            set
            {
                if (_IsCheck == value)
                    return;
                _IsCheck = value;
                OnPropertyChanged("IsCheck");
            }
        }
        /// <summary>
        /// 告警数量
        /// </summary>
        private int _ListNum = 0;
        public int ListNum
        {
            get
            {
                return _ListNum;
            }
            set
            {
                if (_ListNum == value)
                    return;
                _ListNum = value;
                OnPropertyChanged("ListNum");
            }
        }

        public AlarmModel()
        {
            
        }
    }
}