private async Task <Game> LoadTempGame()
{
Game game = null;
StorageFolder folder = ApplicationData.Current.LocalFolder;
try
{
StorageFile tempFile = await folder.GetFileAsync(@"temp.quno");
try
{
UniversalGameSerializer serializer = new UniversalGameSerializer();
game = await serializer.LoadFromFileAsync(tempFile);
}
catch (Exception)
{
// Nothing to do here if we can't deserialize the game,
// so allow this method to return null and thus start a new game.
}
finally
{
await tempFile.DeleteAsync();
}
}
catch (FileNotFoundException)
{
// There must not be saved game, so allow this method to retun null.
}
return(game);
}
private async void SaveTempGame(Game game)
{
StorageFolder folder = ApplicationData.Current.LocalFolder;
StorageFile tempFile = await folder.CreateFileAsync(@"temp.quno", CreationCollisionOption.ReplaceExisting);
UniversalGameSerializer serializer = new UniversalGameSerializer();
serializer.SaveToFileAsync(game, tempFile);
return;
}
private async void ButtonOpen_Click(object sender, RoutedEventArgs e)
{
FileOpenPicker fileOpenPicker = new FileOpenPicker();
fileOpenPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
fileOpenPicker.FileTypeFilter.Add(@".quno");
StorageFile file = await fileOpenPicker.PickSingleFileAsync();
if (file != null)
{
UniversalGameSerializer serializer = new UniversalGameSerializer();
var game = await serializer.LoadFromFileAsync(file);
this.viewModel.OpenGame(game);
}
return;
}
private async void ButtonSave_Click(object sender, RoutedEventArgs e)
{
FileSavePicker fileSavePicker = new FileSavePicker();
fileSavePicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
fileSavePicker.FileTypeChoices.Add(this.fileFilter, new List <string>()
{
".quno"
});
fileSavePicker.SuggestedFileName = this.fileSuggestedName;
StorageFile file = await fileSavePicker.PickSaveFileAsync();
if (file != null)
{
UniversalGameSerializer serializer = new UniversalGameSerializer();
serializer.SaveToFileAsync(this.viewModel.Game, file);
}
return;
}
