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using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Documents;
using System.Windows.Input;
using Tango.Core;
using Tango.Core.Commands;
using Tango.Logging;
using Tango.Settings;
using Tango.SharedUI;
using Tango.SharedUI.Components;
using Tango.SharedUI.Helpers;
using Tango.StubsUtils.Service.UI.Views;
namespace Tango.StubsUtils.Service.UI.ViewModels
{
public class MainViewVM : ViewModel
{
private ProducerConsumerQueue<String> _logsQueue;
private Thread _logsThread;
private ServiceUISettings _settings;
public ServiceUISettings Settings
{
get { return _settings; }
set { _settings = value; RaisePropertyChangedAuto(); }
}
private StubsService _service;
public StubsService Service
{
get { return _service; }
set { _service = value; RaisePropertyChangedAuto(); }
}
private bool _isTrayIconVisible;
public bool IsTrayIconVisible
{
get { return _isTrayIconVisible; }
set { _isTrayIconVisible = value; RaisePropertyChangedAuto(); }
}
private List<String> _availablePorts;
public List<String> AvailablePorts
{
get { return _availablePorts; }
set { _availablePorts = value; RaisePropertyChangedAuto(); }
}
private String _selectedPort;
public String SelectedPort
{
get { return _selectedPort; }
set { _selectedPort = value; RaisePropertyChangedAuto(); }
}
private SimpleStringLogger _logger;
public SimpleStringLogger Logger
{
get { return _logger; }
set { _logger = value; RaisePropertyChangedAuto(); }
}
public RelayCommand ExitCommand { get; set; }
public RelayCommand OpenCommand { get; set; }
public RelayCommand RefreshPortsCommand { get; set; }
public RelayCommand ToggleConnectionCommand { get; set; }
public RelayCommand ClearLogCommand { get; set; }
public MainViewVM()
{
ExitCommand = new RelayCommand(ExitApplication);
OpenCommand = new RelayCommand(OpenMainWindow);
IsTrayIconVisible = true;
AvailablePorts = new List<string>();
RefreshPortsCommand = new RelayCommand(RefreshPorts);
ToggleConnectionCommand = new RelayCommand(ToggleConnection);
ClearLogCommand = new RelayCommand(ClearLog);
_logsQueue = new ProducerConsumerQueue<string>();
_logsThread = new Thread(LogsThreadMethod);
_logsThread.IsBackground = true;
_logsThread.Start();
Init();
}
public async void Init()
{
try
{
Logger = new SimpleStringLogger() { Enabled = true };
Logger.LogReceived += Logger_LogReceived;
LogManager.RegisterLogger(Logger);
LogManager.Log("Initializing...");
Settings = SettingsManager.Default.GetOrCreate<ServiceUISettings>();
SelectedPort = Settings.USBPort;
RefreshPorts();
Service = new StubsService();
await Service.Start();
if (Settings.AutoConnect)
{
await Task.Delay(2000);
ToggleConnection();
}
}
catch (Exception ex)
{
LogManager.Log(ex, "Error initializing service.");
}
}
private void Logger_LogReceived(object sender, LogItemBase e)
{
String message = e.TimeStamp.ToString("HH:mm:ss.ff") + ": " + e.Message;
_logsQueue.BlockEnqueue(message);
}
private void LogsThreadMethod()
{
while (true)
{
List<String> logs = new List<string>();
logs.Add(_logsQueue.BlockDequeue());
while (_logsQueue.Count > 0)
{
logs.Add(_logsQueue.BlockDequeue());
}
InvokeUINow(() =>
{
List<Inline> inlines = new List<Inline>();
foreach (var log in logs)
{
inlines.Add(new Run(log));
inlines.Add(new LineBreak());
}
MainView.Instance.paragraphLog.Inlines.AddRange(inlines);
if (Mouse.LeftButton != MouseButtonState.Pressed)
{
MainView.Instance.scrollViewerLogs.ScrollViewer?.ScrollToEnd();
}
});
Thread.Sleep(200);
}
}
private void ClearLog()
{
InvokeUI(() =>
{
IsFree = false;
UIHelper.DoEvents();
MainView.Instance.paragraphLog.Inlines.Clear();
IsFree = true;
});
}
private async void OpenMainWindow()
{
Application.Current.MainWindow.Visibility = Visibility.Visible;
await Task.Delay(200);
Application.Current.MainWindow.WindowState = WindowState.Normal;
Application.Current.MainWindow.Focus();
Application.Current.MainWindow.Activate();
IsTrayIconVisible = false;
}
public async void ExitApplication()
{
IsFree = false;
SaveSettings();
IsTrayIconVisible = false;
UIHelper.DoEvents();
await Task.Delay(1000);
Environment.Exit(0);
}
private void RefreshPorts()
{
AvailablePorts = SerialPort.GetPortNames().ToList();
if (!AvailablePorts.Contains(SelectedPort))
{
SelectedPort = AvailablePorts.FirstOrDefault();
}
InvalidateRelayCommands();
}
private async void ToggleConnection()
{
try
{
IsFree = false;
if (!Service.IsConnected)
{
try
{
await Service.Connect(SelectedPort);
SaveSettings();
//ToastNotificationManager.CreateToastNotifier("MyApplicationId").Show(toast);
}
catch (Exception ex)
{
LogManager.Log(ex, "Error connecting to the specified serial port.");
}
}
else
{
try
{
await Service.Disconnect();
}
catch (Exception ex)
{
LogManager.Log(ex, "Error disconnecting from the specified serial port.");
}
}
}
finally
{
IsFree = true;
}
}
private void SaveSettings()
{
Settings.USBPort = SelectedPort;
Settings.Save();
}
}
}
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