/// <summary>
/// Add a root category, assuming it doesn't already exist
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
private BrowserRootElement AddRootCategory(string name)
{
var ele = new BrowserRootElement(name, BrowserRootCategories);
BrowserRootCategories.Add(ele);
return(ele);
}
/// <summary>
/// Add a root category, assuming it doesn't already exist
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
internal BrowserRootElement AddRootCategoryToStart(string name)
{
var ele = new BrowserRootElement(name, BrowserRootCategories);
BrowserRootCategories.Insert(0, ele);
return(ele);
}
public void RemoveEmptyRootCategory(BrowserRootElement rootEle)
{
if (!ContainsCategory(rootEle.Name))
{
return;
}
BrowserRootCategories.Remove(rootEle);
}
public BrowserItem GetCategoryByName(string categoryName)
{
var split = SplitCategoryName(categoryName);
if (!split.Any())
{
return(null);
}
var cat = (BrowserItem)BrowserRootCategories.FirstOrDefault(x => x.Name == split[0]);
foreach (var splitName in split.GetRange(1, split.Count - 1))
{
if (cat == null)
{
return(cat);
}
cat = TryGetSubCategory(cat, splitName);
}
return(cat);
}
/// <summary>
/// Remove a category and all its children from the browser and search. The category does
/// not have to be empty.
/// </summary>
/// <param name="ele"></param>
public void RemoveCategory(BrowserItem ele)
{
var nodes = ele.Items.Where(x => x is NodeSearchElement)
.Cast <NodeSearchElement>().ToList();
var cats = ele.Items.Where(x => x is BrowserInternalElement)
.Cast <BrowserInternalElement>().ToList();
nodes.Select(x => x.Name).ToList().ForEach(RemoveNode);
cats.ToList().ForEach(RemoveCategory);
ele.Items.Clear();
if (ele is BrowserRootElement)
{
BrowserRootCategories.Remove(ele as BrowserRootElement);
}
else if (ele is BrowserInternalElement)
{
(ele as BrowserInternalElement).Parent.Items.Remove(ele);
}
}
public void RemoveEmptyCategories()
{
this.BrowserRootCategories = new ObservableCollection <BrowserRootElement>(BrowserRootCategories.Where(x => x.Items.Any() || x.Name == "Top Result"));
}
