public async void SaveItems()
{
var fileName = PresetViewModel.PresetName + ".preset";
manager.FileName = fileName;
var items = (await manager.GetCollection <PresetItemViewModel>()).ToList();
if (items.Any())
{
var result = MessageBox.Show("There already is a preset with that name. Do you want to overwrite it?",
"Saving preset", MessageBoxButton.OKCancel);
if (result != MessageBoxResult.OK)
{
return;
}
}
await manager.Save(PresetViewModel.PresetItems.ToList());
}
public async Task Initialize()
{
RecentItems.Clear();
ShouldShowRecent = true;
var result = await recentManager.GetCollection <RecentItemViewModel>();
var partial = result.OrderByDescending(x => x.LastUsedDate);
var showRecent = settings.Get <string>("RecentItemsShown").GetOrDefault();
int takeFirst;
if (string.IsNullOrEmpty(showRecent) || showRecent.Equals("No limit"))
{
RecentItems.AddRange(partial);
}
else if (int.TryParse(showRecent, out takeFirst))
{
RecentItems.AddRange(partial.Take(takeFirst));
}
else
{
ShouldShowRecent = false;
}
}
protected override async void OnActivate()
{
if (string.IsNullOrEmpty(PresetFileName))
{
return;
}
maxVolume = settings.Get <int>("MaxVolume").GetOrElse(100);
MuteVolume();
NotifyButtons();
fileManager.FileName = PresetFileName;
eventAggregator.Publish(new Events.HearingTest.PitchGeneratorChanged(pitchGenerator));
eventAggregator.Publish(new Events.HearingTest.ChannelChanged(CurrentChannel));
eventAggregator.Publish(new Events.HearingTest.StopPlaying());
IsPlaying = false;
PresetItems = new ReadOnlyTraversableList <PresetItemViewModel>((await fileManager.GetCollection <PresetItemViewModel>()).ToList());
ProgressMaximum = PresetItems.Count;
if (!PresetItems.Any())
{
return;
}
CurrentItem = PresetItems.Next();
pitchGenerator.Frequency = CurrentItem.Frequency;
CurrentFrequency = CurrentItem.Frequency.ToString(CultureInfo.InvariantCulture);
NotifyButtons();
}