private async Task GetLayoutDataAsync()
{
if (this._groups.Count != 0)
{
return;
}
Uri dataUri = new Uri("ms-appx:///DataModel/LayoutData.json");
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
string jsonText = await FileIO.ReadTextAsync(file);
JsonObject jsonObject = JsonObject.Parse(jsonText);
JsonArray jsonArray = jsonObject["Data"].GetArray();
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
LayoutDataGroup group = new LayoutDataGroup(groupObject["UniqueId"].GetString(),
groupObject["Icon"].GetString(),
groupObject["Title"].GetString());
foreach (JsonValue itemValue in groupObject["Items"].GetArray())
{
JsonObject itemObject = itemValue.GetObject();
group.Items.Add(new LayoutDataItem(itemObject["UniqueId"].GetString(),
itemObject["Title"].GetString(),
itemObject["PageType"].GetString(),
itemObject["Data"].GetString()));
}
this.Groups.Add(group);
}
}