Software/Visual_Studio/FSE/Tango.FSE.UI/ViewModels/LayoutViewVM.cs


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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Console.Network
{
    public class ConsoleCommandRequest
    {
        public String WorkingFolder { get; set; }
        public String Command { get; set; }
        public bool RunAsAdministrator { get; set; }
    }
}
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.Core.Threading;
using Tango.FSE.Common;
using Tango.FSE.Common.Navigation;
using Tango.FSE.Common.Notifications;
using Tango.FSE.UI.Panes;
using Tango.FSE.UI.Views;
using Tango.Integration.ExternalBridge;
using Tango.SharedUI.Helpers;
using Tango.Transport;

namespace Tango.FSE.UI.ViewModels
{
    /// <summary>
    /// Represents the application main layout view model.
    /// </summary>
    /// <seealso cref="Tango.FSE.Common.FSEViewModel" />
    public class LayoutViewVM : FSEViewModel
    {
        private ActionTimer _transportOutActionTimer;
        private ActionTimer _transportInActionTimer;

        #region Properties

        private bool _isConnectionPaneOpened;
        /// <summary>
        /// Gets or sets a value indicating whether the machine connection pane is opened.
        /// </summary>
        public bool IsConnectionPaneOpened
        {
            get { return _isConnectionPaneOpened; }
            set { _isConnectionPaneOpened = value; RaisePropertyChangedAuto(); OnConnectionPaneToggleChanged(); }
        }

        private MachineConnectionPaneVM _connectionPaneVM;
        /// <summary>
        /// Gets or sets the machine connection pane view model.
        /// </summary>
        public MachineConnectionPaneVM ConnectionPaneVM
        {
            get { return _connectionPaneVM; }
            set { _connectionPaneVM = value; RaisePropertyChangedAuto(); }
        }

        private ConnectedMachinePaneVM _connectedMachinePaneVM;
        /// <summary>
        /// Gets or sets the connected machine pane view model.
        /// </summary>
        public ConnectedMachinePaneVM ConnectedMachinePaneVM
        {
            get { return _connectedMachinePaneVM; }
            set { _connectedMachinePaneVM = value; RaisePropertyChangedAuto(); }
        }

        private LogViewerPaneVM _logViewPaneVM;
        /// <summary>
        /// Gets or sets the log viewer pane view model.
        /// </summary>
        public LogViewerPaneVM LogViewerPaneVM
        {
            get { return _logViewPaneVM; }
            set { _logViewPaneVM = value; RaisePropertyChangedAuto(); }
        }

        private bool _isMenuOpened;
        /// <summary>
        /// Gets or sets a value indicating whether the main menu is opened.
        /// </summary>
        public bool IsMenuOpened
        {
            get { return _isMenuOpened; }
            set { _isMenuOpened = value; RaisePropertyChangedAuto(); }
        }

        private bool _isLogsOpened;
        /// <summary>
        /// Gets or sets a value indicating whether the log viewer is opened.
        /// </summary>
        public bool IsLogsOpened
        {
            get { return _isLogsOpened; }
            set { _isLogsOpened = value; RaisePropertyChangedAuto(); }
        }

        private bool _transportOut;
        /// <summary>
        /// Transport out on/off.
        /// </summary>
        public bool TransportOut
        {
            get { return _transportOut; }
            set { _transportOut = value; RaisePropertyChanged(nameof(TransportOut)); }
        }

        private bool _transportIn;
        /// <summary>
        /// Transport in on/off.
        /// </summary>
        public bool TransportIn
        {
            get { return _transportIn; }
            set { _transportIn = value; RaisePropertyChanged(nameof(TransportIn)); }
        }

        #endregion

        #region Commands

        /// <summary>
        /// Toggles the connection pane visibility.
        /// </summary>
        public RelayCommand ToggleConnectionPaneCommand { get; set; }

        /// <summary>
        /// Logs outs the current user.
        /// </summary>
        public RelayCommand LogoutCommand { get; set; }

        /// <summary>
        /// Opens the bug report dialog.
        /// </summary>
        public RelayCommand ReportIssueCommand { get; set; }

        /// <summary>
        /// Navigates to the events view.
        /// </summary>
        public RelayCommand NavigateToEventsCommand { get; set; }

        /// <summary>
        /// Navigates to the home view.
        /// </summary>
        public RelayCommand NavigateHomeCommand { get; set; }

        #endregion

        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="LayoutViewVM"/> class.
        /// </summary>
        public LayoutViewVM()
        {
            ToggleConnectionPaneCommand = new RelayCommand(() => IsConnectionPaneOpened = !IsConnectionPaneOpened);
            ConnectionPaneVM = new MachineConnectionPaneVM();
            ConnectionPaneVM.MachineSelected += ConnectionPaneVM_MachineSelected;

            ConnectedMachinePaneVM = new ConnectedMachinePaneVM();
            ConnectedMachinePaneVM.DisconnectedFromMachine += ConnectedMachinePaneVM_DisconnectedFromMachine;

            LogViewerPaneVM = new LogViewerPaneVM();

            LogoutCommand = new RelayCommand(Logout);

            _transportOutActionTimer = new ActionTimer(TimeSpan.FromMilliseconds(50));
            _transportInActionTimer = new ActionTimer(TimeSpan.FromMilliseconds(50));

            ReportIssueCommand = new RelayCommand(OpenBugReportDialog);

            NavigateToEventsCommand = new RelayCommand(NavigateToEvents);
            NavigateHomeCommand = new RelayCommand(NavigateHome);
        }

        #endregion

        #region Machine Operator Event Handlers

        private void MachineProvider_MachineDisconnected(object sender, Common.Connection.MachineDisconnectedEventArgs e)
        {
            if (e.MachineOperator.Adapter != null)
            {
                e.MachineOperator.Adapter.PropertyChanged -= Adapter_PropertyChanged;
            }
        }

        private void MachineProvider_MachineConnected(object sender, Common.Connection.MachineConnectedEventArgs e)
        {
            e.MachineOperator.Adapter.PropertyChanged -= Adapter_PropertyChanged;
            e.MachineOperator.Adapter.PropertyChanged += Adapter_PropertyChanged;
        }

        private void Adapter_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == nameof(ITransportAdapter.TotalBytesSent))
            {
                TransportOut = true;
                _transportOutActionTimer.ResetReplace(() => TransportOut = false);
            }
            else if (e.PropertyName == nameof(ITransportAdapter.TotalBytesReceived))
            {
                TransportIn = true;
                _transportInActionTimer.ResetReplace(() => TransportIn = false);
            }
        }

        #endregion

        #region Connected Machine Pane Event Handlers

        private async void ConnectedMachinePaneVM_DisconnectedFromMachine(object sender, EventArgs e)
        {
            IsConnectionPaneOpened = false;

            try
            {
                await MachineProvider.DisconnectMachine();
            }
            catch (Exception ex)
            {
                LogManager.Log(ex, "Error disconnecting from machine.");
                await NotificationProvider.ShowError("Error occurred while trying to disconnect from the machine.");
            }
        }

        #endregion

        #region Machine Connection Pane Event Handlers

        private async void ConnectionPaneVM_MachineSelected(object sender, IExternalBridgeClient machine)
        {
            IsConnectionPaneOpened = false;

            LogManager.Log($"Machine '{machine.SerialNumber}' selected for connection by user.");

            try
            {
                if (await MachineProvider.ConnectToMachine(machine))
                {
                    NotificationProvider.PushSnackbarItem(MessageType.Success, "Machine successfully connected", true, $"{MachineProvider.Machine.SerialNumber}, {MachineProvider.Machine.Name}", TimeSpan.FromSeconds(5));
                }
            }
            catch (Exception ex)
            {
                await NotificationProvider.ShowError($"Error occurred while trying to connect to the specified machine.\n{ex.FlattenMessage()}");
                LogManager.Log(ex, $"Error connecting to machine '{machine.SerialNumber}'.");
            }
        }

        #endregion

        #region Override Methods

        public override void OnApplicationStarted()
        {
            MachineProvider.MachineDisconnected += MachineProvider_MachineDisconnected;
            MachineProvider.MachineConnected += MachineProvider_MachineConnected;
        }

        public override void OnNavigatedTo()
        {
            base.OnNavigatedTo();
            this.SetFocus(nameof(ToggleConnectionPaneCommand));
        }

        public override async Task<bool> OnApplicationLogout()
        {
            if (MachineProvider.IsConnected)
            {
                if (await NotificationProvider.ShowWarningQuestion("The current machine connection will be automatically closed.\nAre you sure you want to log out?"))
                {
                    await MachineProvider.DisconnectMachine();
                    return true;
                }
                else
                {
                    return false;
                }
            }
            else
            {
                return true;
            }
        }

        #endregion

        #region Private Methods

        private void OnConnectionPaneToggleChanged()
        {
            if (!MachineProvider.IsConnected)
            {
                if (IsConnectionPaneOpened)
                {
                    try
                    {
                        ConnectionPaneVM.Start();
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error while trying to initialize machine scanning.");
                        NotificationProvider.ShowError($"Error occurred while trying to initialize machine scanning.\n{ex.FlattenMessage()}");
                        _isConnectionPaneOpened = false;
                        RaisePropertyChanged(nameof(IsConnectionPaneOpened));
                    }
                }
                else
                {
                    try
                    {
                        ConnectionPaneVM.Stop();
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error while stopping machine scanning.");
                    }
                }
            }
        }

        private void Logout()
        {
            LogManager.Log("Logout command pressed by user.");
            AuthenticationProvider.LogOut();
        }

        private void OpenBugReportDialog()
        {
            BugReporter.ShowBugReportDialog();
        }

        private void NavigateToEvents()
        {
            NavigationManager.NavigateTo<InternalModule>(nameof(EventsView));
        }

        private void NavigateHome()
        {
            NavigationManager.NavigateTo(NavigationView.Home);
        }

        #endregion
    }
}