/// <summary>
/// Saves the train set in the last specified file.
/// </summary>
public async Task SaveTrainSetAsync()
{
using (Stream stream = this._fileService.Save())
{
if (stream == null)
{
ShowErrorDialog(new IOException(), Resources.UnableToSave);
return;
}
try
{
using (this._busyWatcher.GetTicket())
{
await TrainSetSerializer.SaveToAsync(this._trainSetViewModel.TrainSet, stream);
IsModelDirty = false;
}
}
catch (Exception exception)
{
ShowErrorDialog(exception, Resources.UnableToSave);
}
}
}
/// <summary>
/// Opens a train set.
/// </summary>
public async void OpenTrainSetAsync()
{
bool isCurrentTrainSetClosable = false;
await CloseTrainSetAsync(canClose => isCurrentTrainSetClosable = canClose);
if (!isCurrentTrainSetClosable)
{
return;
}
using (Stream stream = this._fileService.Open())
{
if (stream == null)
{
return;
}
try
{
using (this._busyWatcher.GetTicket())
{
TrainSet trainSet = await TrainSetSerializer.LoadFromAsync(stream);
this._trainSetViewModel.TrainSet = trainSet;
CurrentFileName = this._fileService.LastFile;
IsModelDirty = false;
}
}
catch (Exception exception)
{
ShowErrorDialog(exception, Resources.UnableToOpen);
}
}
}