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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.Core.Commands;
using Tango.Integration.Operation;
using Tango.PMR.ThreadLoading;
using Tango.PPC.Common.Connection;
using Tango.SharedUI;
namespace Tango.PPC.UI.Dialogs
{
public class ThreadLoadingViewVM : DialogViewVM
{
public class ThreadLoadingResult
{
public bool IsCompleted { get; set; }
public Exception FailedException { get; set; }
}
private ThreadLoadingConfirmationRequiredEventArgs _confirmationArgs;
public ThreadLoadingResult Result { get; set; }
public IMachineProvider MachineProvider { get; set; }
private StartThreadLoadingResponse _status;
public StartThreadLoadingResponse Status
{
get { return _status; }
set { _status = value; RaisePropertyChangedAuto(); }
}
private bool _isFinalizing;
public bool IsFinalizing
{
get { return _isFinalizing; }
set { _isFinalizing = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
public List<Rml> Rmls { get; set; }
private Rml _selectedRml;
public Rml SelectedRml
{
get { return _selectedRml; }
set { _selectedRml = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
public RelayCommand ContinueCommand { get; set; }
public ThreadLoadingViewVM(IMachineProvider machineProvider, ThreadLoadingConfirmationRequiredEventArgs confirmationArgs)
{
CanClose = true;
_confirmationArgs = confirmationArgs;
ContinueCommand = new RelayCommand(ContinueThreadLoading, () => !IsFinalizing && SelectedRml != null);
MachineProvider = machineProvider;
MachineProvider.MachineOperator.ThreadLoadingStatusChanged += MachineOperator_ThreadLoadingStatusChanged;
MachineProvider.MachineOperator.ThreadLoadingCompleted += MachineOperator_ThreadLoadingCompleted;
MachineProvider.MachineOperator.ThreadLoadingFailed += MachineOperator_ThreadLoadingFailed;
}
private async void ContinueThreadLoading()
{
IsFinalizing = true;
try
{
await Task.Factory.StartNew(() => { _confirmationArgs.Confirm(SelectedRml.GetActiveProcessGroup().ProcessParametersTables.FirstOrDefault()); });
}
catch (Exception ex)
{
Result = new ThreadLoadingResult()
{
FailedException = ex,
};
IsFinalizing = false;
if (IsVisible)
{
InvokeUI(() =>
{
Accept();
});
}
}
}
private void MachineOperator_ThreadLoadingCompleted(object sender, StartThreadLoadingResponse e)
{
Result = new ThreadLoadingResult()
{
IsCompleted = true
};
if (IsVisible)
{
InvokeUI(() =>
{
Accept();
});
}
}
private void MachineOperator_ThreadLoadingFailed(object sender, StartThreadLoadingResponse e)
{
Result = new ThreadLoadingResult()
{
FailedException = new Exception(e.ErrorReason),
};
if (IsVisible)
{
InvokeUI(() =>
{
Accept();
});
}
}
private void MachineOperator_ThreadLoadingStatusChanged(object sender, StartThreadLoadingResponse e)
{
Status = e;
if(Status.State == ThreadLoadingState.Finalizing)
{
IsFinalizing = true;
}
}
protected override void Cancel()
{
IsFinalizing = false;
ClearEvents();
base.Cancel();
}
protected override void Accept()
{
IsFinalizing = false;
ClearEvents();
base.Accept();
}
private void ClearEvents()
{
MachineProvider.MachineOperator.ThreadLoadingStatusChanged -= MachineOperator_ThreadLoadingStatusChanged;
MachineProvider.MachineOperator.ThreadLoadingCompleted -= MachineOperator_ThreadLoadingCompleted;
MachineProvider.MachineOperator.ThreadLoadingFailed -= MachineOperator_ThreadLoadingFailed;
}
}
}
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