public async Task <Settings> GetSettingsAsync()
{
var formatter = new DataContractSerializer(typeof(Settings));
var filePath = Path.Combine(ApplicationData.Current.LocalFolder.Path, SettingsName);
Settings settings = new Settings();
if (!File.Exists(filePath))
{
var defaultSettings = Create();
return(await WriteSettingsAsync(defaultSettings));
}
var file = await ApplicationData.Current.LocalFolder.GetFileAsync(SettingsName);
var stream = await file.OpenAsync(FileAccessMode.Read);
ulong size = stream.Size;
using (var inputStream = stream.GetInputStreamAt(0))
{
using (var dataReader = new Windows.Storage.Streams.DataReader(inputStream))
{
uint numBytesLoaded = await dataReader.LoadAsync((uint)size);
settings.FileSystemDirectory = dataReader.ReadString(numBytesLoaded); // BUG
settings.IsFileSystemEnabled = dataReader.ReadBoolean();
}
}
//var lines = await FileIO.ReadTextAsync(file);
//settings.FileSystemDirectory = lines;
//var stream = new FileStream(settingsFileName, FileMode.Open, FileAccess.Read, FileShare.None);
//settings = (Settings)formatter.ReadObject(stream);
Debug.WriteLine("Read Settings");
return(settings);
}
/// <summary>
/// Creates and adds a time track objects into the Items collection.
/// </summary>
public async void LoadData() {
var fileList = await ApplicationData.Current.LocalFolder.GetFilesAsync();
var file = fileList.FirstOrDefault(f => f.Name == localFileName);
if (file != null) {
using (var stream = await file.OpenReadAsync()) {
using (var dr = new Windows.Storage.Streams.DataReader(stream)) {
try {
await dr.LoadAsync(unchecked((uint)stream.Size));
var numberOfItems = dr.ReadInt32();
ObservableCollection<TrackItem> loadingItems = new ObservableCollection<TrackItem>();
for (int x = 0; x < numberOfItems; x++) {
TrackItem item = new TrackItem();
item.Start = dr.ReadDateTime();
item.End = dr.ReadDateTime();
int topicLength = dr.ReadInt32();
item.Topic = dr.ReadString((uint)topicLength);
loadingItems.Add(item);
}
bool currentItemExists = dr.ReadBoolean();
TrackItem loadingCurrentItem = null;
if (currentItemExists) {
loadingCurrentItem = new TrackItem();
loadingCurrentItem.Start = dr.ReadDateTime();
int topicLength = dr.ReadInt32();
loadingCurrentItem.Topic = dr.ReadString((uint)topicLength);
}
dr.DetachStream();
Items = loadingItems;
OnPropertyChanged(nameof(Items));
CurrentItem = loadingCurrentItem;
IsDataLoaded = true;
} catch {
try {
await file.DeleteAsync();
} catch { }
CurrentItem = null;
IsDataLoaded = true;
}
}
}
} else {
// Sample data; replace with real data
Items.Add(new TrackItem() {
Topic = "First Tracked Item",
Start = new DateTimeOffset(new DateTime(2015, 11, 5, 9, 0, 0), new TimeSpan(-6, 0, 0)),
End = new DateTimeOffset(new DateTime(2015, 11, 5, 11, 30, 0), new TimeSpan(-6, 0, 0)),
});
Items.Add(new TrackItem() {
Topic = "Second Tracked Item",
Start = new DateTimeOffset(new DateTime(2015, 11, 5, 12, 30, 0), new TimeSpan(-6, 0, 0)),
End = new DateTimeOffset(new DateTime(2015, 11, 5, 17, 0, 0), new TimeSpan(-6, 0, 0)),
});
CurrentItem = null;
this.IsDataLoaded = true;
}
}