87 lines
2.2 KiB
C#
87 lines
2.2 KiB
C#
using BOB.Singleton;
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using Common.PubEvent;
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using Common.PubEvents;
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using Logger;
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using NLog;
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using Prism.Dialogs;
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using Prism.Events;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Input;
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namespace BOB.ViewModels
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{
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public class MainViewModel : BindableBase,INavigationAware
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{
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#region 属性
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#endregion
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#region 命令
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#endregion
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public DialogCloseListener RequestClose { get; set; }
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private IEventAggregator _eventAggregator;
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private IDialogService _dialogService;
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private Devices _devices{ get; set; }
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public MainViewModel(IEventAggregator eventAggregator, IDialogService dialogService,IContainerProvider containerProvider)
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{
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_dialogService = dialogService;
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_eventAggregator = eventAggregator;
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_devices=containerProvider.Resolve<Devices>();
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}
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private async Task InitializeDevicesAsync()
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{
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try
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{
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_devices.Init(SystemConfig.Instance.DeviceList);
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await _devices.ConnectAllDevicesAsync();
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_devices.InitCan();
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_devices.StartPollingCollectionAsync();
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}
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catch (Exception ex)
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{
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LoggerHelper.ErrorWithNotify($"设备连接异常: {ex.Message}", ex.StackTrace);
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}
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finally
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{
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_eventAggregator.GetEvent<OverlayEvent>().Publish(false);
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}
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}
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#region 导航
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private bool _isInitialized = false;
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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if (!_isInitialized)
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{
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_eventAggregator.GetEvent<OverlayEvent>().Publish(true);
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_ = InitializeDevicesAsync();
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_isInitialized = true;
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}
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}
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public bool IsNavigationTarget(NavigationContext navigationContext)
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{
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return true;
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}
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public void OnNavigatedFrom(NavigationContext navigationContext)
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{
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}
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#endregion
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}
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}
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