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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;
using Tango.FSE.Common;
using Tango.Integration.ExternalBridge;
namespace Tango.FSE.UI.Dialogs
{
/// <summary>
/// Represents a machine communication failure view model.
/// </summary>
/// <seealso cref="Tango.FSE.Common.FSEDialogViewVM" />
public class MachineConnectionLostViewVM : FSEDialogViewVM
{
private DispatcherTimer _timer;
/// <summary>
/// Gets or sets the connected machine.
/// </summary>
public IExternalBridgeClient Machine { get; set; }
/// <summary>
/// Gets or sets the error message.
/// </summary>
public String Error { get; set; }
/// <summary>
/// Gets or sets a value indicating whether to auto close this dialog with a reconnect response after a period of time expires.
/// </summary>
public bool IsAutoReconnect { get; set; }
private int _remainingSeconds;
/// <summary>
/// Gets or sets the remaining seconds.
/// </summary>
public int RemainingSeconds
{
get { return _remainingSeconds; }
set { _remainingSeconds = value; RaisePropertyChangedAuto(); }
}
/// <summary>
/// Initializes a new instance of the <see cref="MachineConnectionLostViewVM"/> class.
/// </summary>
/// <param name="machine">The machine.</param>
/// <param name="error">The error.</param>
/// <param name="autoReconnectSeconds">The automatic reconnect seconds.</param>
public MachineConnectionLostViewVM(IExternalBridgeClient machine, String error, int? autoReconnectSeconds)
{
AutoMode = true;
OKText = "CONNECT";
CancelText = "CANCEL";
CanClose = true;
HasDefault = true;
Machine = machine;
Error = error;
IsAutoReconnect = autoReconnectSeconds != null;
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromSeconds(1);
_timer.Tick += _timer_Tick;
if (IsAutoReconnect)
{
RemainingSeconds = Math.Max(autoReconnectSeconds.Value, 2);
_timer.Start();
}
}
/// <summary>
/// Invokes the <see cref="E:Tango.SharedUI.DialogViewVM.Accepted" /> event.
/// </summary>
protected override void Accept()
{
_timer.Stop();
base.Accept();
}
/// <summary>
/// Invokes the <see cref="E:Tango.SharedUI.DialogViewVM.Canceled" /> event.
/// </summary>
protected override void Cancel()
{
_timer.Stop();
base.Cancel();
}
private void _timer_Tick(object sender, EventArgs e)
{
if (IsVisible)
{
RemainingSeconds--;
if (RemainingSeconds == 0)
{
Accept();
}
}
}
}
}
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