private static void PopulateSub(Category cat, IEnumerable <Category> cats, BusiBlocksTreeNode docoCat, int maxLevel, int level)
{
if (level > maxLevel)
{
return;
}
var subCats =
from x in cats
where (x.ParentCategory == null) ? 1 == 0 : x.ParentCategory.Equals(cat)
select x;
foreach (Category subCat in subCats)
{
var node = new BusiBlocksTreeNode {
Id = subCat.Id, Name = subCat.DisplayName, IsFolder = true
};
IList <Article> items = GetArticles(subCat, ArticleStatus.All, false);
foreach (Article item in items)
{
node.ChildNodes.Add(new BusiBlocksTreeNode {
Id = item.Id, Name = item.Name, IsFolder = false
});
}
docoCat.ChildNodes.Add(node);
level = level + 1;
PopulateSub(subCat, cats, node, maxLevel, level);
}
}
private static void CreateCategoryStructure(BusiBlocksTreeNode rootNode, IList <Category> categories, Category category, int maxLevel, int level, bool includeItems, string username)
{
if (level > maxLevel)
{
return;
}
var subCategories = from x in categories where (x.ParentCategory == null) ? 1 == 0 : x.ParentCategory.Equals(category) select x;
foreach (Category subCategory in subCategories)
{
IList <Item> items = NewsManager.GetItems(subCategory, false);
BusiBlocksTreeNode categoryNode = new BusiBlocksTreeNode {
Name = subCategory.Name, Id = subCategory.Id, IsFolder = true, ChildNodes = new List <BusiBlocksTreeNode>()
};
if (items.Count > 0 && includeItems)
{
foreach (Item item in items)
{
if (BusiBlocks.SecurityHelper.CanUserView(username, subCategory.Id))
{
categoryNode.ChildNodes.Add(new BusiBlocksTreeNode {
Id = item.Id, Name = item.Title, IsFolder = false
});
}
}
}
if (BusiBlocks.SecurityHelper.CanUserView(username, categoryNode.Id))
{
rootNode.ChildNodes.Add(categoryNode);
CreateCategoryStructure(categoryNode, categories, subCategory, maxLevel, level++, includeItems, username);
}
}
}
public static BusiBlocksTreeView GetCategoriesItemsTree(bool includeItems, string username)
{
BusiBlocksTreeView tree = new BusiBlocksTreeView {
Nodes = new List <BusiBlocksTreeNode>()
};
IList <Category> categories = NewsManager.GetAllCategories();
var rootCategories = from x in categories where x.ParentCategory == null select x;
int maxLevel = 100;
foreach (Category category in rootCategories)
{
BusiBlocksTreeNode node = new BusiBlocksTreeNode {
Name = category.Name, Id = category.Id, IsFolder = true, ChildNodes = new List <BusiBlocksTreeNode>()
};
if (BusiBlocks.SecurityHelper.CanUserView(username, node.Id))
{
tree.Nodes.Add(node);
IList <Item> items = NewsManager.GetItems(category, false);
if (items.Count > 0 && includeItems)
{
foreach (Item item in items)
{
if (BusiBlocks.SecurityHelper.CanUserView(username, category.Id))
{
node.ChildNodes.Add(new BusiBlocksTreeNode {
Id = item.Id, Name = item.Title, IsFolder = false
});
}
}
}
CreateCategoryStructure(node, categories, category, maxLevel, 0, includeItems, username);
}
}
return(tree);
}
private static BusiBlocksTreeView PopulateTreeView(string username)
{
var catTreeView = new BusiBlocksTreeView();
IList <Category> cats = GetAllCategories();
IList <Category> toRemove = new List <Category>();
foreach (Category cat in cats)
{
// Remove this category from the list if it is not viewable by this user.
if (!SecurityHelper.CanUserView(username, cat.Id))
{
toRemove.Add(cat);
}
}
foreach (Category cat in toRemove)
{
cats.Remove(cat);
}
// Need to form the hierarchical structure by selecting the categories with no parent
// and then adding sub collections of categories with the chosen parent.
var noParent =
from x in cats
where x.ParentCategory == null
select x;
int maxLevel = 20;
if (!noParent.Any())
{
// Try to pick the "all docs" category.
noParent =
from x in cats
where x.DisplayName.Equals("All Documents")
select x;
}
foreach (Category cat in noParent)
{
var node = new BusiBlocksTreeNode {
Id = cat.Id, Name = cat.DisplayName, IsFolder = true
};
IList <Article> items = GetArticles(cat, ArticleStatus.All, false);
foreach (Article item in items)
{
node.ChildNodes.Add(new BusiBlocksTreeNode {
Id = item.Id, Name = item.Name, IsFolder = false
});
}
catTreeView.Nodes.Add(node);
PopulateSub(cat, cats, node, maxLevel, 0);
}
// todo Remove this commented out block when we're sure it isn't doing anything.
//// Set the selected category.
//if (noParent.Any())
//{
// Category cat = noParent.First();
//}
return(catTreeView);
}
