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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;
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;
/// <summary>
/// Occurs when the connected machine property has changed.
/// </summary>
public event EventHandler<IMachineOperator> ConnectedMachineChanged;
/// <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; }
private IMachineOperator _connectedMachine;
/// <summary>
/// Gets or sets the currently connected machine if any.
/// </summary>
/// <exception cref="NotImplementedException">
/// </exception>
public IMachineOperator ConnectedMachine
{
get
{
return _connectedMachine;
}
set
{
_connectedMachine = value;
RaisePropertyChangedAuto();
ConnectedMachineChanged?.Invoke(this, ConnectedMachine);
}
}
/// <summary>
/// Gets the application version.
/// </summary>
/// <exception cref="NotImplementedException"></exception>
public string Version
{
get
{
throw new NotImplementedException();
}
}
private Machine _machine;
/// <summary>
/// Gets the associated observable entity machine.
/// </summary>
public Machine Machine
{
private set
{
_machine = value;
}
get
{
return _machine;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultPPCApplicationManager"/> class.
/// </summary>
public DefaultPPCApplicationManager()
{
if (!DesignMode)
{
_notifiedViewModels = new List<PPCViewModel>();
MainWindow.Instance.ContentRendered += async (_, __) =>
{
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
CoreSettings.DefaultDataBaseSource = Path.Combine(PathHelper.GetUserTangoFolder(), "DB", "Tango.mdf");
if (!File.Exists(CoreSettings.DefaultDataBaseSource))
{
Directory.CreateDirectory(Path.GetDirectoryName(CoreSettings.DefaultDataBaseSource));
File.Copy(Path.Combine(PathHelper.GetStartupPath(), "DB", "Tango.mdf"), CoreSettings.DefaultDataBaseSource);
}
var settings = SettingsManager.Default.GetOrCreate<PPCSettings>(); ;
ObservablesEntitiesAdapter.Instance.Initialize();
Machine = ObservablesEntitiesAdapter.Instance.Machines.FirstOrDefault();
});
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)
{
loader.UserModules.LastOrDefault().Initialized += (e, f) =>
{
foreach (var vm in TangoIOC.Default.GetAllInstancesByBase<PPCViewModel>())
{
if (!_notifiedViewModels.Contains(vm))
{
vm.OnApplicationStarted();
_notifiedViewModels.Add(vm);
}
}
ModulesInitialized?.Invoke(this, new EventArgs());
};
}
};
});
};
}
}
/// <summary>
/// Shutdown the application.
/// </summary>
public void ShutDown()
{
IsShuttingDown = true;
foreach (var vm in TangoIOC.Default.GetAllInstancesByBase<PPCViewModel>())
{
vm.OnApplicationShuttingDown();
}
}
}
}
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