public static Category ParseJson(JToken cat)
{
Category pc = new Category();
pc.CategoryId = Json.TryGetJsonProperty(cat, "id");
// NEW API will return these OK, old does not...
// Debug.Assert(pc.CategoryId != null);
pc.FullPath = Json.TryGetJsonProperty(cat, "fullpathname"); // old v1!
pc.NodeName = Json.TryGetJsonProperty(cat, "name");
pc.PluralName = Json.TryGetJsonProperty(cat, "pluralName"); // v2
if (string.IsNullOrEmpty(pc.PluralName))
{
pc.PluralName = pc.NodeName;
}
var subcats = cat["categories"]; // v2, recursive
if (subcats != null)
{
List<Category> sc = new List<Category>();
foreach (var sub in subcats)
{
if (sub != null)
{
Category c = Category.ParseJson(sub);
if (c != null)
{
sc.Add(c);
}
}
}
if (sc.Count > 0)
{
pc._subs = sc;
}
}
var parents = cat["parents"]; // old v1!
if (parents != null)
{
// I wonder, HOW MULTIPLE PARENTS WOULD WORK.
JArray prnts = (JArray) parents;
foreach (var item in prnts)
{
// V2 NOTE: THIS IS INCORRECT since its not really the full
// path, but instead the node.
pc.FullPath = item.ToString();
break;
}
}
string primary = Json.TryGetJsonProperty(cat, "primary");
if (primary != null && (primary == "true" || primary == "True"))
{
pc.IsPrimary = true;
}
// Since the isolated storage may still have older versions of the
// data, this should use a fallback-mechanism.
try
{
var icon = cat["icon"];
if (icon != null)
{
MultiResolutionImage mri = MultiResolutionImage.ParseJson(icon);
if (mri != null)
{
pc.MultiResolutionIcon = mri;
}
}
}
catch (InvalidOperationException)
{
try
{
string uri = Json.TryGetJsonProperty(cat, "icon");
if (uri != null)
{
pc._iconUri = new Uri(uri);
}
}
catch (Exception)
{
}
}
return pc;
}
private void SelectCategory(Category cc)
{
SelectedCategoryId = cc.CategoryId;
SelectedCategoryName = cc.PluralName;
Dispatcher.BeginInvoke(() => NavigationService.GoBackWhenReady());
}
