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.HIKVISION; 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; //private CHKFunction _cHKFunction; public MainWindowViewModel(IRegionManager regionManager, IUnityContainer container, IEventAggregator eventAggregator) { //_portUtil = portUtil; this.eventAggregator = eventAggregator; this.eventAggregator.GetEvent().Subscribe(doMyPrismEvent2); //_fingerprintUtil = fingerprintUtil; _regionManager = regionManager; _container = container; //_cHKFunction = cHKFunction; System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Send, new Action(() => { //_container.RegisterType("LoginWindow"); //_regionManager.RegisterViewWithRegion("MainRegion", "LoginWindow"); if (App.DbConnectionFail) { _regionManager.RequestNavigate("MainRegion", "EmergencyWindow"); } else _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); } } }