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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Core.Helpers;
using Tango.BL.Entities;
using Tango.Logging;
using Tango.MachineStudio.Common.Modules;
using Tango.MachineStudio.Common.Navigation;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.SharedUI;
using Tango.BL;
using Tango.MachineStudio.Common.EventLogging;
using Tango.BL.Enumerations;
namespace Tango.MachineStudio.UI.ViewModels
{
/// <summary>
/// Represents the Machine Studio loading view, view model.
/// </summary>
/// <seealso cref="Tango.SharedUI.ViewModel" />
public class LoadingViewVM : ViewModel
{
private INotificationProvider _notificationProvider;
private INavigationManager _navigationManager;
private IStudioModuleLoader _studioModuleLoader;
private IEventLogger _eventLogger;
private LogManager logManager = LogManager.Default;
public IStudioApplicationManager ApplicationManager { get; set; }
private bool _isLoading;
public bool IsLoading
{
get { return _isLoading; }
set { _isLoading = value; RaisePropertyChangedAuto(); }
}
/// <summary>
/// Initializes a new instance of the <see cref="LoadingViewVM"/> class.
/// </summary>
/// <param name="navigationManager">The navigation manager.</param>
/// <param name="studioModuleLoader">The studio module loader.</param>
/// <param name="notificationProvider">The notification provider.</param>
public LoadingViewVM(IStudioApplicationManager applicationManager, INavigationManager navigationManager, IStudioModuleLoader studioModuleLoader, INotificationProvider notificationProvider, IEventLogger eventLogger)
{
_eventLogger = eventLogger;
ApplicationManager = applicationManager;
_navigationManager = navigationManager;
_studioModuleLoader = studioModuleLoader;
_notificationProvider = notificationProvider;
Load();
}
/// <summary>
/// Load application modules.
/// </summary>
private void Load()
{
IsLoading = true;
ThreadsHelper.StartStaThread(() =>
{
try
{
ObservablesEntitiesAdapter.Instance.Initialize();
_eventLogger.Log(EventTypes.ApplicationStarted, "Application Started!");
InvokeUI(() =>
{
_studioModuleLoader.LoadModules();
_navigationManager.NavigateTo(NavigationView.LoginView);
IsLoading = false;
});
}
catch (Exception ex)
{
logManager.Log(ex);
InvokeUINow(() =>
{
if (_notificationProvider.ShowQuestion("An error occurred while trying to connect to Twine database." + Environment.NewLine + "Would you like to try again?"))
{
Load();
}
else
{
Environment.Exit(0);
}
});
}
});
}
}
}
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