aboutsummaryrefslogtreecommitdiffstats
path: root/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/LayoutViewVM.cs
blob: 56314414ad0897f0d285d60358d2a2862dc909c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Security.Authentication;
using System.Threading;
using System.Threading.Tasks;
using System.Web;
using System.Web.Http;
using System.Web.Http.Controllers;
using Tango.Logging;

namespace Tango.MachineService
{
    public class ProtoController : ApiController
    {
        protected LogManager LogManager { get; private set; }

        public ProtoController()
        {
            LogManager = LogManager.Default;
        }

        public override async Task<HttpResponseMessage> ExecuteAsync(HttpControllerContext context, CancellationToken cancellationToken)
        {
            string controllerName = String.Empty;
            string actionName = String.Empty;

            try
            {
                var routeData = HttpContext.Current.Request.RequestContext.RouteData;
                actionName = routeData.Values["action"].ToString();
                controllerName = routeData.Values["controller"].ToString();
            }
            catch { }

            try
            {
                LogManager.Log($"Request Received on {controllerName + "/" + actionName}.");

                var result = await base.ExecuteAsync(context, cancellationToken);
                return result;
            }
            catch (Exception ex)
            {
                LogManager.Log(ex, $"An error occurred while processing the request message on {controllerName + "/" + actionName}.");

                HttpStatusCode code = HttpStatusCode.InternalServerError;

                if (ex is ArgumentException)
                {
                    code = HttpStatusCode.BadRequest;
                }
                else if (ex is AuthenticationException)
                {
                    code = HttpStatusCode.Unauthorized;
                }

                throw new HttpResponseException(Request.CreateErrorResponse(code, ex.Message));
            }
        }
    }
}
='#n527'>527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using System.Windows.Threading;
using Tango.Core;
using Tango.Core.Commands;
using Tango.Core.DI;
using Tango.Integration.Operation;
using Tango.PMR.IFS;
using Tango.PPC.Common;
using Tango.PPC.Common.Connection;
using Tango.PPC.Common.MachineUpdate;
using Tango.PPC.Common.Modules;
using Tango.PPC.Common.Navigation;
using Tango.PPC.Common.Web;
using Tango.PPC.UI.Dialogs;
using Tango.PPC.UI.Views;
using Tango.PPC.UI.ViewsContracts;
using Tango.SharedUI;

namespace Tango.PPC.UI.ViewModels
{
    /// <summary>
    /// Represents the layout view containing the main menu and all modules.
    /// </summary>
    /// <seealso cref="Tango.PPC.Common.PPCViewModel{Tango.PPC.UI.ViewsContracts.ILayoutView}" />
    public class LayoutViewVM : PPCViewModel<ILayoutView>
    {
        private JobHandler _jobHandler;
        private bool _resettingDevice;
        private DispatcherTimer _date_timer;

        /// <summary>
        /// Gets or sets the module loader.
        /// </summary>
        [TangoInject]
        public IPPCModuleLoader ModuleLoader { get; set; }

        [TangoInject]
        public IMachineUpdateManager MachineUpdateManager { get; set; }

        #region Classes

        public class CartridgeModel : ExtendedObject
        {
            private IMachineProvider _machineProvider;

            private CartridgeStatus _status;
            public CartridgeStatus Status
            {
                get { return _status; }
                set { _status = value; PreviousState = _status.State; }
            }

            public CartridgeState PreviousState { get; set; }

            public bool InProgress
            {
                get { return Status.State == CartridgeState.Filling || Status.State == CartridgeState.Emptying; }
            }

            public String Message
            {
                get
                {
                    if (Status.Cartridge.Slot == PMR.Diagnostics.CartridgeSlot.Ink)
                    {
                        try
                        {
                            int index = Status.Cartridge.Index;
                            var idsPack = _machineProvider.Machine.Configuration.NoneEmptyIdsPacks.FirstOrDefault(x => x.PackIndex == index);

                            if (idsPack != null)
                            {
                                return $"{idsPack.LiquidType.Name} filling is in progress...";
                            }
                            else
                            {
                                return "Ink filling is in progress...";
                            }
                        }
                        catch (Exception ex)
                        {
                            Debug.WriteLine(ex);
                            return "Ink filling is in progress...";
                        }
                    }
                    else
                    {
                        return "Waste emptying is in progress...";
                    }
                }
            }

            public Brush Brush
            {
                get
                {
                    if (Status.Cartridge.Slot == PMR.Diagnostics.CartridgeSlot.Ink)
                    {
                        try
                        {
                            int index = Status.Cartridge.Index;

                            var idsPack = _machineProvider.Machine.Configuration.NoneEmptyIdsPacks.FirstOrDefault(x => x.PackIndex == index);

                            if (idsPack != null)
                            {
                                switch (idsPack.LiquidType.Type)
                                {
                                    case BL.Enumerations.LiquidTypes.Cyan:
                                        return Application.Current.Resources["TangoCyanInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.Magenta:
                                        return Application.Current.Resources["TangoMagentaInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.Yellow:
                                        return Application.Current.Resources["TangoYellowInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.Black:
                                        return Application.Current.Resources["TangoBlackInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.Lubricant:
                                        return Application.Current.Resources["TangoLubricantBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.Cleaner:
                                        return Application.Current.Resources["TangoCleanerBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.TransparentInk:
                                        return Application.Current.Resources["TangoTransparentInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.LightCyan:
                                        return Application.Current.Resources["TangoLightCyanInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.LightMagenta:
                                        return Application.Current.Resources["TangoLightMagentaInkBrush"] as Brush;
                                    case BL.Enumerations.LiquidTypes.LightYellow:
                                        return Application.Current.Resources["TangoLightYellowInkBrush"] as Brush;
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            LogManager.Log(ex, "Error generating ink filling brush.");
                        }

                        return Application.Current.Resources["TangoPrimaryAccentBrush"] as Brush;
                    }
                    else
                    {
                        return Application.Current.Resources["TangoWasteBrush"] as Brush;
                    }
                }
            }

            public CartridgeModel(IMachineProvider machineProvider)
            {
                _machineProvider = machineProvider;
                Status = new CartridgeStatus();
            }

            public void Invalidate()
            {
                RaisePropertyChanged(nameof(InProgress));
                RaisePropertyChanged(nameof(Status));
            }
        }

        #endregion

        #region Properties

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

                if (!_isMenuOpened)
                {
                    IsPowerOpened = false;
                }
            }
        }

        private bool _isNotificationsOpened;
        /// <summary>
        /// Gets or sets a value indicating whether to display all notifications.
        /// </summary>
        public bool IsNotificationsOpened
        {
            get { return _isNotificationsOpened; }
            set
            {
                _isNotificationsOpened = value; RaisePropertyChangedAuto();
            }
        }

        private bool _isPowerOpened;
        /// <summary>
        /// Gets or sets a value indicating whether the power area is opened.
        /// </summary>
        public bool IsPowerOpened
        {
            get { return _isPowerOpened; }
            set { _isPowerOpened = value; RaisePropertyChangedAuto(); }
        }

        private bool _isInkFillingOrWasteEmptying;
        /// <summary>
        /// Gets or sets a value indicating whether ink filling or waste emptying is active.
        /// </summary>
        public bool IsInkFillingOrWasteEmptying
        {
            get { return _isInkFillingOrWasteEmptying; }
            set { _isInkFillingOrWasteEmptying = value; RaisePropertyChangedAuto(); }
        }

        private List<CartridgeModel> _cartridges;
        public List<CartridgeModel> Cartridges
        {
            get { return _cartridges; }
            set { _cartridges = value; RaisePropertyChangedAuto(); }
        }

        private DateTime _currentDateTime;
        /// <summary>
        /// Gets or sets the current date time.
        /// </summary>
        public DateTime CurrentDateTime
        {
            get { return _currentDateTime; }
            set { _currentDateTime = value; RaisePropertyChangedAuto(); }
        }

        private bool _enableDBUpdate;
        /// <summary>
        /// Gets or sets a value indicating whether to automatically check for new application updates.
        /// </summary>
        public bool EnableDBUpdate
        {
            get { return _enableDBUpdate; }
            set { _enableDBUpdate = value; RaisePropertyChangedAuto(); }
        }

        private bool _enableVersionUpdate;
        /// <summary>
        /// Gets or sets a value indicating whether to automatically check for new application updates.
        /// </summary>
        public bool EnableVersionUpdate
        {
            get { return _enableVersionUpdate; }
            set { _enableVersionUpdate = value; RaisePropertyChangedAuto(); }
        }

        #endregion

        #region Commands

        /// <summary>
        /// Gets or sets the module navigation command.
        /// </summary>
        public RelayCommand<String> ModuleNavigationCommand { get; set; }

        /// <summary>
        /// Gets or sets the menu or back command.
        /// </summary>
        public RelayCommand MenuOrBackCommand { get; set; }

        /// <summary>
        /// Gets or sets the home command.
        /// </summary>
        public RelayCommand HomeCommand { get; set; }

        /// <summary>
        /// Gets or sets the notifications area pressed command.
        /// </summary>
        public RelayCommand NotificationsAreaPressedCommand { get; set; }

        /// <summary>
        /// Gets or sets the stop printing command.
        /// </summary>
        public RelayCommand StopPrintingCommand { get; set; }

        /// <summary>
        /// Gets or sets the sign-out command.
        /// </summary>
        public RelayCommand SignOutCommand { get; set; }

        /// <summary>
        /// Gets or sets the update command.
        /// </summary>
        public RelayCommand UpdateCommand { get; set; }

        /// <summary>
        /// Gets or sets the power command.
        /// </summary>
        public RelayCommand PowerCommand { get; set; }

        /// <summary>
        /// Gets or sets the restart application command.
        /// </summary>
        public RelayCommand RestartApplicationCommand { get; set; }

        /// <summary>
        /// Gets or sets the power off command.
        /// </summary>
        public RelayCommand PowerOffCommand { get; set; }

        /// <summary>
        /// Gets or sets the reset command.
        /// </summary>
        public RelayCommand ResetCommand { get; set; }

        /// <summary>
        /// Gets or sets the stand by command.
        /// </summary>
        public RelayCommand StandByCommand { get; set; }
        /// <summary>
        /// Gets or sets the open general information dialog  command.
        /// </summary>
        public RelayCommand OpenGeneralinformationCommand { get; set; }

        #endregion

        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="LayoutViewVM"/> class.
        /// </summary>
        public LayoutViewVM()
        {
            ModuleNavigationCommand = new RelayCommand<string>(NavigateToModule);
            HomeCommand = new RelayCommand(NavigateHome);
            MenuOrBackCommand = new RelayCommand(OpenMenuOrNavigateBack);
            NotificationsAreaPressedCommand = new RelayCommand(OpenFirstNotificationOrDisplayAll);

            StopPrintingCommand = new RelayCommand(StopPrinting);
            SignOutCommand = new RelayCommand(SignOut);
            UpdateCommand = new RelayCommand(UpdateMachine);

            PowerCommand = new RelayCommand(OpenPowerOptions);
            RestartApplicationCommand = new RelayCommand(RestartApplication);
            PowerOffCommand = new RelayCommand(PowerOffMachine, () => MachineProvider.MachineOperator.Status != MachineStatuses.Disconnected);
            ResetCommand = new RelayCommand(ResetMachine, () => MachineProvider.MachineOperator.Status != MachineStatuses.Disconnected);
            StandByCommand = new RelayCommand(StandBy, () => MachineProvider.MachineOperator.CanPrint);
            OpenGeneralinformationCommand = new RelayCommand(OpenGeneralinformationDlg);

            _date_timer = new DispatcherTimer();
            _date_timer.Interval = TimeSpan.FromSeconds(1);
            _date_timer.Tick += _date_timer_Tick;
            _date_timer.Start();

            _enableDBUpdate = _enableVersionUpdate = false;
        }

        #endregion

        #region Private Methods

        private async void  OpenPowerOptions()
        {
            IsPowerOpened = true;
            
            if (BuildProvider.IsEureka)
            {
                PowerEurekaViewVM vm = new PowerEurekaViewVM();
                vm = await NotificationProvider.ShowDialog<PowerEurekaViewVM>(vm);

                if (!vm.DialogResult) return;

                switch(vm.PowerAction)
                {
                    case PowerEurekaViewVM.PowerActionEnum.TurnOff:
                        if(MachineProvider.MachineOperator.Status != MachineStatuses.Disconnected)
                            PowerOffMachine();
                        return;
                    case PowerEurekaViewVM.PowerActionEnum.StandBy:
                        if (MachineProvider.MachineOperator.CanPrint)
                            StandBy();
                        return;
                    case PowerEurekaViewVM.PowerActionEnum.RestartT:
                        RestartApplication();
                        return;
                    case PowerEurekaViewVM.PowerActionEnum.Restart:
                        if (MachineProvider.MachineOperator.Status != MachineStatuses.Disconnected)
                            ResetMachine();
                        return;
                    case PowerEurekaViewVM.PowerActionEnum.CloseApp:
                        CloseApplication();
                        return;
                    default:
                        return;
                }
                
            }
        }

        /// <summary>
        /// Stops the printing.
        /// </summary>
        private void StopPrinting()
        {
            LogManager.Log("Stop printing layout command pressed!");

            if (_jobHandler != null)
            {
                _jobHandler.Cancel();
            }
        }

        /// <summary>
        /// Opens the menu or navigate back.
        /// </summary>
        private void OpenMenuOrNavigateBack()
        {
            if (NavigationManager.CanNavigateBack)
            {
                LogManager.Log("Back command pressed.");
                NavigationManager.NavigateBack();
            }
            else
            {
                LogManager.Log("Menu command pressed.");
                IsMenuOpened = true;
            }
        }

        /// <summary>
        /// Handles the module navigation command.
        /// </summary>
        /// <param name="moduleName">Name of the module.</param>
        private void NavigateToModule(string moduleName)
        {
            LogManager.Log("Navigate to module command pressed.");
            IsMenuOpened = false;
            NavigationManager.NavigateTo(moduleName);
        }

        /// <summary>
        /// Handles the home command.
        /// </summary>
        private void NavigateHome()
        {
            LogManager.Log("Navigate home command pressed.");
            IsMenuOpened = false;
            NavigationManager.NavigateTo(NavigationView.HomeModule);
        }

        /// <summary>
        /// Represents an event that is raised when the sign-out operation is complete.
        /// </summary>
        private void SignOut()
        {
            LogManager.Log("SignOut command pressed.");
            AuthenticationProvider.LogOut();
            IsMenuOpened = false;
        }

        /// <summary>
        /// Opens the first notification or display all.
        /// </summary>
        private void OpenFirstNotificationOrDisplayAll()
        {
            if (NotificationProvider.NotificationItems.Count == 1)
            {
                //Open first
            }
            else
            {
                IsNotificationsOpened = true;
            }
        }

        /// <summary>
        /// Restarts the application.
        /// </summary>
        private async void RestartApplication()
        {
            if (await NotificationProvider.ShowQuestion("Are you sure you want to restart the application?"))
            {
                ApplicationManager.Restart();
            }
        }

        private async void CloseApplication()
        {
            if (await NotificationProvider.ShowQuestion("Are you sure you want to close the application?"))
            {
                ApplicationManager.ShutDown();
            }
        }

        /// <summary>
        /// Powers off the machine.
        /// </summary>
        private async void PowerOffMachine()
        {
            IsMenuOpened = false;

            if (await NotificationProvider.ShowQuestion("Are you sure you wish to turn off the machine?"))
            {
                try
                {
                    await MachineProvider.MachineOperator.PowerDown();
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, "Error triggering power down.");
                    await NotificationProvider.ShowError(ex.FlattenMessage());
                }
            }
        }

        /// <summary>
        /// Resets the machine.
        /// </summary>
        private async void ResetMachine()
        {
            IsMenuOpened = false;

            if (!await NotificationProvider.ShowQuestion("Are you sure you want to reset the machine?")) return;

            try
            {
                _resettingDevice = true;
                ResetCommand.RaiseCanExecuteChanged();
                await MachineProvider.MachineOperator.Reset();
                await NotificationProvider.ShowInfo("Machine was successfully restarted.");
            }
            catch (Exception ex)
            {
                await NotificationProvider.ShowError(ex.FlattenMessage());
            }
            finally
            {
                _resettingDevice = false;
                ResetCommand.RaiseCanExecuteChanged();
            }
        }

        private async void StandBy()
        {
            IsMenuOpened = false;

            try
            {
                LogManager.Log("Executing stand-by command.");
                await MachineProvider.MachineOperator.StandBy();
            }
            catch (Exception ex)
            {
                LogManager.Log(ex, "Error switching to stand-by mode.");
                await NotificationProvider.ShowError($"Error switching to stand-by mode.\n{ex.FlattenMessage()}");
            }
        }

        private void UpdateMachine()
        {
            if (MachineProvider.MachineOperator.IsPrinting)
            {
                NotificationProvider.ShowInfo("Cannot perform a machine update while the machine is dyeing.");
                return;
            }

            NavigationManager.NavigateTo(NavigationView.MachineUpdateView);
            TangoIOC.Default.GetInstance<MachineUpdateViewVM>().CheckForUpdates();
            IsMenuOpened = false;
        }

        private async void OpenGeneralinformationDlg()
        {
            GeneralInformationViewVM vm = new GeneralInformationViewVM(MachineProvider, ApplicationManager);
            vm = await NotificationProvider.ShowDialog<GeneralInformationViewVM>(vm);

        }

        #endregion

        #region Override Methods

        /// <summary>
        /// Called when the application has been started.
        /// </summary>
        public override void OnApplicationStarted()
        {
            base.OnApplicationStarted();
            MachineProvider.MachineOperator.PrintingStarted += MachineOperator_PrintingStarted;
            MachineProvider.MachineOperator.InkFillingStatusChanged += MachineOperator_InkFillingStatusChanged;
        }

        private void MachineUpdateManager_UpdateAvailable(object sender, CheckForUpdateResponse e)
        {
            EnableVersionUpdate = false;
            EnableDBUpdate = false;
           
           if(e.IsUpdateAvailable)
            {
                EnableVersionUpdate = true;
                return;
            }
            else if (e.IsDatabaseUpdateAvailable)
            {
                EnableDBUpdate = true;
            }
        }

        private void MachineOperator_InkFillingStatusChanged(object sender, InkFillingStatusChangedEventArgs e)
        {
            if (Cartridges == null)
            {
                Cartridges = MachineProvider.MachineOperator.InkFillingStatus.CartridgesStatuses.Select(x => new CartridgeModel(MachineProvider) { Status = x }).ToList();
            }
            else
            {
                foreach (var cartridgeStatus in e.Status.CartridgesStatuses)
                {
                    var model = Cartridges.SingleOrDefault(x => x.Status == cartridgeStatus);

                    if (model != null)
                    {
                        if (cartridgeStatus != null)
                        {
                            if ((cartridgeStatus.State == CartridgeState.Error || cartridgeStatus.State == CartridgeState.EmpyingFailed || cartridgeStatus.State == CartridgeState.FillingFailed) && (model.PreviousState != CartridgeState.Error && model.PreviousState != CartridgeState.FillingFailed && model.PreviousState != CartridgeState.EmpyingFailed))
                            {
                                NotificationProvider.ShowError(cartridgeStatus.Message);
                            }

                            if ((cartridgeStatus.State == CartridgeState.EmptyingCompleted || cartridgeStatus.State == CartridgeState.FillingCompleted) 
                                && 
                                (model.PreviousState != CartridgeState.EmptyingCompleted && model.PreviousState != CartridgeState.FillingCompleted))
                            {
                                NotificationProvider.ShowSuccess(cartridgeStatus.Message);
                            }
                        }

                        model.Status = cartridgeStatus;
                    }
                }
            }

            foreach (var cartridgeModel in Cartridges)
            {
                cartridgeModel.Invalidate();
            }

            IsInkFillingOrWasteEmptying = Cartridges.Any(x => x.Status.State == CartridgeState.Filling || x.Status.State == CartridgeState.Emptying);
        }

        /// <summary>
        /// Called when the instance of IPPCView is available.
        /// </summary>
        public override void OnViewAttached()
        {

        }

        public override void OnApplicationReady()
        {
            base.OnApplicationReady();
            MachineProvider.MachineOperator.StatusChanged += MachineOperator_StatusChanged;
            MachineUpdateManager.UpdateAvailable += MachineUpdateManager_UpdateAvailable;
        }

        private void MachineOperator_StatusChanged(object sender, MachineStatuses e)
        {
            InvokeUI(() =>
            {
                PowerOffCommand.RaiseCanExecuteChanged();
                ResetCommand.RaiseCanExecuteChanged();
                StandByCommand.RaiseCanExecuteChanged();
            });
        }

        #endregion

        #region Public Methods

        /// <summary>
        /// Toggles the application technician mode.
        /// </summary>
        public void ToggleTechnicianMode()
        {
            if (!ApplicationManager.IsInTechnicianMode)
            {
                ApplicationManager.EnterTechnicianMode();
            }
            else
            {
                ApplicationManager.ExitTechnicianMode();
            }
        }

        #endregion

        #region Event Handlers

        private void _date_timer_Tick(object sender, EventArgs e)
        {
            CurrentDateTime = DateTime.Now;
        }

        /// <summary>
        /// Handles the PrintingStarted event of the MachineOperator.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="PrintingEventArgs"/> instance containing the event data.</param>
        private void MachineOperator_PrintingStarted(object sender, PrintingEventArgs e)
        {
            _jobHandler = e.JobHandler;
        }

        #endregion
    }
}