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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL;
using Tango.BL.Entities;
using Tango.Integration.Operation;
using Tango.Settings;
using Tango.PPC.Common.Application;
using Tango.Core.DI;
using Tango.PPC.Common;
using System.Windows;
using Tango.Core;
using System.IO;
using Tango.Core.Helpers;
using Tango.PPC.Common.Modules;
using System.Windows.Threading;
using Tango.Transport.Adapters;
using Tango.PMR.Connection;
using Tango.PPC.Common.Connection;
using Tango.SQLExaminer;
using System.Data.SqlClient;
namespace Tango.PPC.UI.PPCApplication
{
/// <summary>
/// Represents the default PPC application manager.
/// </summary>
/// <seealso cref="Tango.Core.ExtendedObject" />
/// <seealso cref="Tango.PPC.Common.Application.IPPCApplicationManager" />
public class DefaultPPCApplicationManager : ExtendedObject, IPPCApplicationManager
{
private List<PPCViewModel> _notifiedViewModels;
private IMachineProvider _machineProvider;
/// <summary>
/// Occurs when the application has started.
/// </summary>
public event EventHandler ApplicationStarted;
/// <summary>
/// Occurs when all PPC modules are ready and initialized.
/// </summary>
public event EventHandler ModulesInitialized;
/// <summary>
/// Gets a value indicating whether the application is shutting down.
/// </summary>
public bool IsShuttingDown { get; private set; }
/// <summary>
/// Gets the application version.
/// </summary>
/// <exception cref="NotImplementedException"></exception>
public string Version
{
get
{
throw new NotImplementedException();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultPPCApplicationManager"/> class.
/// </summary>
public DefaultPPCApplicationManager(IMachineProvider machineProvider)
{
_machineProvider = machineProvider;
if (!DesignMode)
{
_notifiedViewModels = new List<PPCViewModel>();
PPCSettings settings = null;
MainWindow.Instance.ContentRendered += async (_, __) =>
{
ContentRendered?.Invoke(this, new EventArgs());
await Task.Factory.StartNew(() =>
{
//TODO: Use this in the future.
//#if DEBUG
// DataSource = "localhost\\SQLEXPRESS";
//#else
// DataBaseSettings.DefaultDataSource = Path.Combine(PathHelper.GetUserTangoFolder(), "DB", "Tango.db");
//#endif
if (!File.Exists(CoreSettings.DefaultDataBaseSource))
{
Directory.CreateDirectory(Path.GetDirectoryName(CoreSettings.DefaultDataBaseSource));
File.Copy(Path.Combine(PathHelper.GetStartupPath(), "DB", "Tango.mdf"), CoreSettings.DefaultDataBaseSource);
}
settings = SettingsManager.Default.GetOrCreate<PPCSettings>();
var coreSettings = SettingsManager.Default.GetOrCreate<CoreSettings>();
if (!SettingsManager.Default.IsFileExists())
{
settings.Save();
}
if (settings.HasSetup)
{
ObservablesEntitiesAdapter.Instance.Initialize();
}
});
if (settings.HasSetup)
{
PostSetup();
}
else
{
SetupRequiredEventArgs args = new SetupRequiredEventArgs(() =>
{
Task.Factory.StartNew(() =>
{
ObservablesEntitiesAdapter.Instance.Initialize();
InvokeUI(() =>
{
PostSetup();
});
});
});
SetupRequired?.Invoke(this, args);
}
};
}
}
private void PostSetup()
{
ApplicationStarted?.Invoke(this, new EventArgs());
foreach (var vm in TangoIOC.Default.GetAllInstancesByBase<PPCViewModel>())
{
if (!_notifiedViewModels.Contains(vm))
{
vm.OnApplicationStarted();
_notifiedViewModels.Add(vm);
}
}
TangoIOC.Default.GetInstanceWhenAvailable<IPPCModuleLoader>((loader) =>
{
loader.ModulesLoaded += (x, y) =>
{
if (loader.UserModules.Count > 0)
{
if (loader.UserModules.ToList().Exists(m => !m.IsInitialized))
{
loader.UserModules.LastOrDefault().Initialized += (e, f) =>
{
FinalizeModuleInitialization();
};
}
else
{
FinalizeModuleInitialization();
}
}
};
});
}
private void FinalizeModuleInitialization()
{
foreach (var vm in TangoIOC.Default.GetAllInstancesByBase<PPCViewModel>())
{
if (!_notifiedViewModels.Contains(vm))
{
vm.OnApplicationStarted();
_notifiedViewModels.Add(vm);
}
}
ModulesInitialized?.Invoke(this, new EventArgs());
_machineProvider.Init();
Ready?.Invoke(this, new EventArgs());
}
/// <summary>
/// Shutdown the application.
/// </summary>
public void ShutDown()
{
IsShuttingDown = true;
foreach (var vm in TangoIOC.Default.GetAllInstancesByBase<PPCViewModel>())
{
vm.OnApplicationShuttingDown();
}
}
public event EventHandler Ready;
public event EventHandler<SetupRequiredEventArgs> SetupRequired;
public event EventHandler ContentRendered;
}
}
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