public Task UpdateMappingDataTask()
{
return(new Task(() => {
RefreshTimer.Stop();
OnUpdate?.Invoke();
JsonTextReader jReader;
using (var client = new WebClient()) {
var data = Encoding.UTF8.GetString(client.DownloadData(Properties.Settings.Default.VersionJsonUrl));
jReader = new JsonTextReader(new StringReader(data));
}
MappingData.Clear();
VersionJson jsonInput = VersionJson.Init;
string keyVersion = null;
MappingType keyMapType = MappingType.Snapshot;
while (jReader.Read())
{
var value = jReader.Value;
if (jReader.Value != null)
{
switch (jsonInput)
{
case VersionJson.MCVersion:
MappingData[keyVersion = (string)value] = new Dictionary <MappingType, SortedSet <int> >();
break;
case VersionJson.MapType:
if (!Enum.TryParse((string)value, true, out keyMapType))
{
throw new InvalidDataException("Expected Mapping type.");
}
break;
case VersionJson.Version:
if (!MappingData[keyVersion].ContainsKey(keyMapType))
{
MappingData[keyVersion][keyMapType] = new SortedSet <int>();
}
MappingData[keyVersion][keyMapType].Add((int)(long)value);
break;
default:
break;
}
}
else
{
if (jReader.TokenType == JsonToken.StartObject)
{
jsonInput += 1;
}
else if (jReader.TokenType == JsonToken.StartArray)
{
jsonInput += 1;
}
else if (jReader.TokenType == JsonToken.EndObject)
{
jsonInput -= 1;
}
else if (jReader.TokenType == JsonToken.EndArray)
{
jsonInput -= 1;
}
}
}
Dispatcher.Invoke(() => {
var versions = new List <string>(MappingData.Keys);
versions.Sort(MCVersionComparer.Comparer);
versions.Reverse();
versions.Insert(0, "Semi-Live");
versions.Add("Custom");
MCVersionDropDown.ItemsSource = versions;
});
RefreshTimer.Start();
OnUpdateFinished?.Invoke();
IsUpdating = false;
}));
}
