public static Task ProgressbarShow(this MetroWindow @object, Func <Task> action)
{
return(Task.Run(() =>
{
@object.Dispatcher.Invoke(() =>
{
var progress = new ProgressView
{
Owner = @object,
Left = @object.Left / 2,
Width = @object.Width / 2,
Top = @object.Top / 2,
Height = @object.Height / 2
};
progress.Loaded += (s, e) =>
{
action().ContinueWith(task =>
{
progress.Dispatcher.Invoke(() => {
progress.Close();
});
});
};
progress.ShowDialog();
});
}));
}
public MainWindow()
{
InitializeComponent();
Title = Title + $" {typeof(MainWindow).Assembly.GetName().Version}";
DependencyContainer.ComposeParts(this);
#if DEBUG
Log.Info("Running in debug mode");
#else
Logger.Visibility = Visibility.Collapsed;
#endif
var dispatcher = Dispatcher.CurrentDispatcher;
Func <(Action <string> show, Action <string> updateText, Action close)> createProgressingViewFunc = () =>
{
var view = new ProgressView();
view.Owner = this;
return(text =>
{
view.TextToShow.Text = text;
view.ShowDialog();
},
txt =>
{
if (dispatcher.CheckAccess())
{
view.TextToShow.Text = txt;
}
else
{
dispatcher.BeginInvoke((Action)(() => { view.TextToShow.Text = txt; }));
}
},
() => view.Close());
};
Action <Action <string, string, string> > createLoginViewFunc = loginAction =>
{
var view = new LoginView {
Owner = this
};
var loginVm = new LoginViewModel(() => view.Close(), loginAction);
view.DataContext = loginVm;
view.ShowDialog();
};
_vm = new MainWindowsViewModel(createLoginViewFunc, createProgressingViewFunc);
_vm.SetParentWindow(this);
DataContext = _vm;
Closing += OnClosing;
Loaded += MainWindow_Loaded;
Height = SystemParameters.PrimaryScreenHeight * 0.70;
Width = Height * 1.5;
}
public void Dispose()
{
_mainWindow.IsEnabled = true;
_progressView.CanClose = true;
_mainWindow.CanClose = true;
_progressView.Close();
}
public void _progress_ProgressCompleted(object sender, EventArgs e)
{
_progressView.ViewModel.OperationName = "Starting...";
_progressView.ViewModel.ProgressPercentage = 0;
_progressView.ViewModel.ProgressText = "";
_progressView.ViewModel.ProgressBarText = "";
ProgressReportingActive = false;
ShowProgress = false;
_progressView.Close();
}
private void UpdateFXCandles(object obj)
{
if (_updatingCandles) return;
if (string.IsNullOrEmpty(_uiService.SelectedStrategyFilename))
{
MessageBox.Show("Select strategy to update candles");
return;
}
var strategyType = StrategyHelper.CompileStrategy(_uiService.SelectedCodeText);
if (strategyType == null)
{
MessageBox.Show("Unable to compile strategy");
return;
}
var strategy = (StrategyBase)Activator.CreateInstance(strategyType);
_updatingCandles = true;
var dispatcher = Dispatcher.CurrentDispatcher;
var fxcm = _brokersService.Brokers.First(x => x.Name == "FXCM");
var timeframes = strategy.Timeframes.Union(new[] { Timeframe.M1 }).ToArray();
var markets = strategy.Markets;
if (markets == null)
{
markets = StrategyBase.GetDefaultMarkets();
}
var view = new ProgressView { Owner = Application.Current.MainWindow };
view.TextToShow.Text = "Updating candles";
Task.Run(() =>
{
try
{
CandlesHelper.UpdateCandles(
fxcm,
_candleService,
markets,
timeframes,
updateProgressAction: s =>
{
_dispatcher.BeginInvoke((Action)(() =>
{
view.TextToShow.Text = s;
}));
});
}
catch (Exception ex)
{
Log.Error("Unable to update candles", ex);
}
dispatcher.Invoke(() =>
{
view.Close();
MessageBox.Show("Updating candles complete");
_updatingCandles = false;
});
});
view.ShowDialog();
}
public void Close()
{
view.Close();
}
