/// <summary>
/// Add a category, given a delimited name
/// </summary>
/// <param name="categoryName">The comma delimited name </param>
/// <returns>The newly created item</returns>
internal BrowserItem AddCategory(string categoryName)
{
if (string.IsNullOrEmpty(categoryName))
{
return(this.TryAddRootCategory("Uncategorized"));
}
if (ContainsCategory(categoryName))
{
return(GetCategoryByName(categoryName));
}
if (!NodeCategories.ContainsKey(categoryName))
{
var cat = new CategorySearchElement(categoryName);
cat.Executed += this.OnExecuted;
NodeCategories.Add(categoryName, cat);
}
// otherwise split the category name
var splitCat = SplitCategoryName(categoryName);
// attempt to add root element
if (splitCat.Count == 1)
{
return(this.TryAddRootCategory(categoryName));
}
if (splitCat.Count == 0)
{
return(null);
}
// attempt to add root category
var currentCat = TryAddRootCategory(splitCat[0]);
for (var i = 1; i < splitCat.Count; i++)
{
currentCat = TryAddChildCategory(currentCat, splitCat[i]);
}
return(currentCat);
}
private void ExecuteElement(CategorySearchElement searchElement)
{
this.SearchText = searchElement.Name + ".";
}
