private async Task UpdateSamples()
{
this.sampleCollections.Clear();
using (var stream = await StorageStreamHelper.GetPackagedFileStreamAsync("Samples/samples.json"))
{
var json = await stream.ReadAsStringAsync();
var samples = SerializationService.Json.Deserialize <SampleCollection[]>(json);
this.sampleCollections.AddRange(samples);
}
}
/// <summary>
/// Initializes the sample.
/// </summary>
/// <returns>
/// Returns a task.
/// </returns>
public async Task InitializeAsync()
{
if (string.IsNullOrWhiteSpace(this.BindingFileSource))
{
return;
}
if (this.BindingSource == null)
{
using (var stream = await StorageStreamHelper.GetPackagedFileStreamAsync($"Samples/{this.GroupName}/{this.Name}/{this.BindingFileSource}"))
{
var bindingSource = await stream.ReadAsStringAsync();
var regex = new Regex(@"@\[(?<name>.+?):(?<type>.+?):(?<value>.+?)(:(?<parameters>.*))*\]");
this.BindingSource = new SampleProperties();
var bindings = (IDictionary <string, object>) this.BindingSource.Bindings;
foreach (Match match in regex.Matches(bindingSource))
{
var propertyName = match.Groups["name"].Value;
var propertyTypeString = match.Groups["type"].Value;
var defaultValueString = match.Groups["value"].Value;
var propertyType = ParseHelper.SafeParseEnum <SamplePropertyType>(propertyTypeString);
SampleProperty property;
switch (propertyType)
{
case SamplePropertyType.Enum:
try
{
property = new SampleProperty();
var split = defaultValueString.Split('.');
var typeString = string.Join(".", split.Take(split.Length - 1));
var enumType = typeString.GetTypeByName(true, true);
property.DefaultValue = Enum.Parse(enumType, split.Last());
}
catch (Exception)
{
continue;
}
break;
case SamplePropertyType.Boolean:
property = new SampleProperty
{
DefaultValue = ParseHelper.SafeParseBool(defaultValueString)
};
break;
case SamplePropertyType.Integer:
try
{
var integerProperty = new IntegerSampleProperty
{
DefaultValue =
ParseHelper.SafeParseDouble(defaultValueString)
};
var parameters = match.Groups["parameters"].Value;
var split = parameters.Split('-');
integerProperty.MinValue = ParseHelper.SafeParseDouble(split[0]);
integerProperty.MaxValue = ParseHelper.SafeParseDouble(split[1]);
property = integerProperty;
}
catch (Exception)
{
continue;
}
break;
default:
property = new SampleProperty()
{
DefaultValue = defaultValueString
};
break;
}
property.Name = propertyName;
property.Code = match.Value;
property.Type = propertyType;
bindings[propertyName] = new SamplePropertyValue(property.DefaultValue);
this.BindingSource.Properties.Add(property);
}
}
}
}