using MaterialDesignThemes.Wpf; using Prism.Commands; using Prism.Events; using Prism.Mvvm; using Prism.Regions; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Media; using DM_Weight.msg; using DM_Weight.Port; using DM_Weight.util; using DM_Weight.Finger; using DM_Weight.Views; using Unity; using DM_Weight.Models; using System.Runtime.CompilerServices; namespace DM_Weight.ViewModels { internal class MainWindowViewModel : BindableBase { private string _title = "Prism App"; //标题 private ISnackbarMessageQueue _snackbarMessageQueue = new SnackbarMessageQueue(TimeSpan.FromSeconds(3)); private SolidColorBrush _colorBrush; //private PortUtil _portUtil; private ScreenUtil _screenUtil; public SolidColorBrush Background { get => _colorBrush; set => SetProperty(ref _colorBrush, value); } public ISnackbarMessageQueue SnackbarMessageQueue { get => _snackbarMessageQueue; set => SetProperty(ref _snackbarMessageQueue, value); } public string Title { get { return _title; } set { SetProperty(ref _title, value); } } IEventAggregator eventAggregator; //public MainWindowViewModel(IEventAggregator eventAggregator, PortUtil portUtil, ScreenUtil screenUtil) //{ // _portUtil = portUtil; // this.eventAggregator = eventAggregator; // this.eventAggregator.GetEvent().Subscribe(doMyPrismEvent2); // _screenUtil = screenUtil; //} private FingerprintUtil _fingerprintUtil; IRegionManager _regionManager; IUnityContainer _container; PortUtil _portUtil; private List _channelStocks = new List(); public MainWindowViewModel(IRegionManager regionManager, IUnityContainer container, IEventAggregator eventAggregator, FingerprintUtil fingerprintUtil, ScreenUtil screenUtil, PortUtil portUtil) { //_portUtil = portUtil; this.eventAggregator = eventAggregator; this.eventAggregator.GetEvent().Subscribe(doMyPrismEvent2); _screenUtil = screenUtil; _fingerprintUtil = fingerprintUtil; _regionManager = regionManager; _container = container; _portUtil = portUtil; Task.Factory.StartNew(()=>BindStock()); ; System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Send, new Action(() => { _container.RegisterType("LoginWindow"); _regionManager.RequestNavigate("MainRegion", "LoginWindow"); })); } void doMyPrismEvent2(AlertMsg msg) { switch (msg.Type) { case MsgType.INFO: this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#00e676")); break; case MsgType.ERROR: this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#b71c1c")); break; default: this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#00e676")); break; } SnackbarMessageQueue.Enqueue(msg.Message); } //写标签数量 async Task BindStock() { List singleChannels = SqlSugarHelper.Db.Queryable().Where(cs => cs.BoardType == 5).Where(cs => cs.DrugId !=null).ToList(); for (int i = 0; i < singleChannels.Count; i++) { _portUtil.WriteQuantity(singleChannels[i].DrawerNo, singleChannels[i].ColNo, singleChannels[i].Quantity); await Task.Delay(TimeSpan.FromMilliseconds(20)); } } } }