private IEnumerable <T> GetThemeItems(ThemeItemCategoryModel item)
{
IEnumerable <T> first = Enumerable.OfType <T>((IEnumerable)item.Children);
foreach (ThemeItemCategoryModel itemCategoryModel in Enumerable.OfType <ThemeItemCategoryModel>((IEnumerable)item.Children))
{
first = Enumerable.Concat <T>(first, this.GetThemeItems(itemCategoryModel));
}
return(first);
}
private void AddThemeItem(ThemeItemModel model, bool isDefault)
{
ThemeItemCategoryModel category = this.GetCategory(model);
if (Enumerable.FirstOrDefault <ThemeItemModel>(Enumerable.Where <ThemeItemModel>(Enumerable.OfType <ThemeItemModel>((IEnumerable)category.Children), (Func <ThemeItemModel, bool>)(t => ThemeModel.ThemeItemsEqual(t.ThemeItem, model.ThemeItem)))) != null)
{
return;
}
model.Parent = (ThemeTreeItem)category;
category.Children.Add((ThemeTreeItem)model);
}
protected void Sort()
{
List <ThemeTreeItem> list = new List <ThemeTreeItem>((IEnumerable <ThemeTreeItem>) this.Children);
list.Sort();
this.Children.Clear();
foreach (ThemeTreeItem themeTreeItem in list)
{
this.Children.Add(themeTreeItem);
ThemeItemCategoryModel itemCategoryModel = themeTreeItem as ThemeItemCategoryModel;
if (itemCategoryModel != null)
{
itemCategoryModel.Sort();
}
}
}
private ThemeItemCategoryModel GetCategory(ThemeItemModel item)
{
string[] categoryNames = (item.Category ?? string.Empty).Split(new char[1]
{
'\\'
});
ThemeItemCategoryModel itemCategoryModel1 = (ThemeItemCategoryModel)this;
for (int index = 0; index < categoryNames.Length; ++index)
{
if (categoryNames[index] != string.Empty)
{
int i1 = index;
ThemeItemCategoryModel itemCategoryModel2 = Enumerable.FirstOrDefault <ThemeItemCategoryModel>(Enumerable.Where <ThemeItemCategoryModel>(Enumerable.OfType <ThemeItemCategoryModel>((IEnumerable)itemCategoryModel1.Children), (Func <ThemeItemCategoryModel, bool>)(c => c.Name == categoryNames[i1])));
if (itemCategoryModel2 == null)
{
itemCategoryModel2 = item.CreateCategory(categoryNames[index], (ThemeTreeItem)itemCategoryModel1);
itemCategoryModel1.Children.Add((ThemeTreeItem)itemCategoryModel2);
}
itemCategoryModel1 = itemCategoryModel2;
}
}
return(itemCategoryModel1);
}
private static void UpdateVisibility(ThemeModel themeModel, ThemeTreeItem item)
{
ThemeItemModel themeItemModel = item as ThemeItemModel;
if (themeItemModel != null)
{
if (themeModel.HideDefaultItems)
{
themeItemModel.Visibility = themeItemModel.IsDefault ? Visibility.Collapsed : Visibility.Visible;
}
else
{
themeItemModel.Visibility = Visibility.Visible;
}
}
else
{
ThemeItemCategoryModel itemCategoryModel = item as ThemeItemCategoryModel;
if (itemCategoryModel == null)
{
return;
}
foreach (ThemeTreeItem themeTreeItem in (Collection <ThemeTreeItem>)itemCategoryModel.Children)
{
ThemeModel.UpdateVisibility(themeModel, themeTreeItem);
}
if (Enumerable.FirstOrDefault <ThemeTreeItem>((IEnumerable <ThemeTreeItem>)itemCategoryModel.Children, (Func <ThemeTreeItem, bool>)(o => o.Visibility != Visibility.Collapsed)) == null)
{
itemCategoryModel.Visibility = Visibility.Collapsed;
}
else
{
itemCategoryModel.Visibility = Visibility.Visible;
}
}
}