MainVM.cs
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using System.Collections.ObjectModel;
using System.Windows;
using System.Windows.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using HHECS.DAQClient.Common;
using HHECS.DAQClient.DataAccess;
using HHECS.DAQClient.Services;
using HHECS.DAQClient.View.CommunicationsView;
using HHECS.DAQClient.View.EquipmentView;
using MessageBox = HandyControl.Controls.MessageBox;
namespace HHECS.DAQClient.ViewModel
{
internal partial class MainVM : ObservableObject
{
private readonly SystemLog _log = SystemLog.GetInstance();
private readonly CenterService _centerService;
private readonly DataContext _context;
[ObservableProperty]
private bool btnStartEnabled = true;
[ObservableProperty]
private bool btnStopEnabled = false;
[ObservableProperty]
private ObservableCollection<LogModel> logModels = new();
[ObservableProperty]
private Page communicationPage = new CommunicationPage();
[ObservableProperty]
private Page equipmentPage = new EquipmentPage();
[ObservableProperty]
private Page equipmentDataQueuePage = new EquipmentDataQueuePage();
public MainVM(CenterService centerService, DataContext context)
{
_centerService = centerService;
_context = context;
InitialDataTemps();
InitialLogComponent();
}
[RelayCommand]
public void Start()
{
BtnStartEnabled = false;
BtnStopEnabled = true;
_centerService.Start();
}
[RelayCommand]
public void Stop()
{
BtnStartEnabled = true;
BtnStopEnabled = false;
_centerService.Stop();
}
/// <summary>
/// 初始化数据模板
/// </summary>
private void InitialDataTemps()
{
try
{
var equipmentTypeCount = _context.EquipmentType.Where(x => true).Count();
//无设备类型数据，则使用种子数据初始化模板
if (equipmentTypeCount == 0)
{
//待完善
var equipmentTypes = DataSeeding.GetEquipmentTypes();
_context.EquipmentType.AddRange(equipmentTypes);
_context.SaveChanges();
}
}
catch (Exception ex)
{
MessageBox.Error($"数据初始化失败.{ex.Message}");
}
}
private void InitialLogComponent()
{
Task.Run(() =>
{
Application.Current.Dispatcher.Invoke(async () =>
{
do
{
while (!_log.IsEmpty)
{
var log = _log.GetLog();
if (log != null)
{
var oldItem = LogModels.Where(x => x.Messages.Equals(log.Messages)).FirstOrDefault();
if (oldItem != null)
{
oldItem.CreateTime = log.CreateTime;
LogModels = new ObservableCollection<LogModel>(LogModels.OrderByDescending(x => x.CreateTime));
}
else
{
LogModels.Insert(0, new LogModel()
{
LogType = log.LogType,
Messages = log.Messages,
CreateTime = log.CreateTime
});
}
if (LogModels.Count > 50)
{
LogModels.Remove(LogModels.Last());
}
}
}
await Task.Delay(100);
} while (true);
});
});
}
}
}