public static RCategory[] RemoveCurrentTree(RCategory[] categories, RCategory category)
{
Dictionary <string, IList <RCategory> > dictionary = BuildTree(categories);
IList <RCategory> categoriesRemove = new List <RCategory>();
if (dictionary.ContainsKey(category.Id))
{
var childs = dictionary[category.Id];
foreach (var child in childs)
{
//dictionary[menu.Id].Remove(child);
categoriesRemove.Add(child);
RemoveChild(dictionary, child, ref categoriesRemove);
}
}
if (dictionary.ContainsKey(category.ParentId))
{
categoriesRemove.Add(category);
RemoveChild(dictionary, category, ref categoriesRemove);
}
var rootItem = dictionary["#"].FirstOrDefault(p => p.Id == category.Id);
if (rootItem != null)
{
dictionary["#"].Remove(rootItem);
}
if (categoriesRemove.Count > 0)
{
foreach (var rCategory in categoriesRemove)
{
dictionary[rCategory.ParentId].Remove(rCategory);
}
}
return(dictionary.Values.SelectMany(p => p).ToArray());
}
private static void RemoveChild(Dictionary <string, IList <RCategory> > dictionary, RCategory category, ref IList <RCategory> categoriesRemove)
{
if (dictionary.ContainsKey(category.Id))
{
var childs = dictionary[category.Id];
foreach (var child in childs)
{
//dictionary[menu.Id].Remove(child);
categoriesRemove.Add(child);
RemoveChild(dictionary, child, ref categoriesRemove);
}
}
}
