/// <summary>
/// Add a single category as a child of a category. If the category already exists, just return that one.
/// </summary>
/// <param name="parent">The parent category </param>
/// <param name="childCategoryName">The name of the child category (can't be nested)</param>
/// <returns>The newly created category</returns>
internal BrowserItem TryAddChildCategory(BrowserItem parent, string childCategoryName)
{
var newCategoryName = parent.Name + CATEGORY_DELIMITER + childCategoryName;
// support long nested categories like Math.Math.StaticMembers.Abs
var parentItem = parent as BrowserInternalElement;
while (parentItem != null)
{
var grandParent = parentItem.Parent;
if (null == grandParent)
{
break;
}
newCategoryName = grandParent.Name + CATEGORY_DELIMITER + newCategoryName;
parentItem = grandParent as BrowserInternalElement;
}
if (ContainsCategory(newCategoryName))
{
return(GetCategoryByName(newCategoryName));
}
var tempCat = new BrowserInternalElement(childCategoryName, parent);
parent.AddChild(tempCat);
return(tempCat);
}
/// <summary>
/// Adds an element as a child of this one, while updating its parent and oldparent field
/// </summary>
/// <param name="elem">The element in question</param>
internal void AddChild(BrowserInternalElement elem)
{
elem.OldParent = elem.Parent;
if (elem.Parent != null)
elem.Parent.Items.Remove(elem);
elem.Parent = this;
this.Items.Add(elem);
}
/// <summary>
/// Adds an element as a child of this one, while updating its parent and oldparent field
/// </summary>
/// <param name="elem">The element in question</param>
internal void AddChild(BrowserInternalElement elem)
{
elem.OldParent = elem.Parent;
if (elem.Parent != null)
{
elem.Parent.Items.Remove(elem);
}
elem.Parent = this;
this.Items.Add(elem);
}
/// <summary>
/// Add a category, given a delimited name
/// </summary>
/// <param name="categoryName">The comma delimited name </param>
/// <returns>The newly created item</returns>
public BrowserItem AddCategory(string categoryName)
{
// if already added, return immediately
if (_browserCategoryDict.ContainsKey(categoryName))
{
return(_browserCategoryDict[categoryName]);
}
// otherwise split the categoryname
var splitCat = new List <string>();
if (categoryName.Contains(CATEGORY_DELIMITER))
{
splitCat = categoryName.Split(CATEGORY_DELIMITER).ToList();
}
else
{
splitCat.Add(categoryName);
}
// attempt to add root element
if (splitCat.Count == 1)
{
return(this.AddRootCategory(categoryName));
}
var currentCatName = splitCat[0];
// attempt to add all other categoires
var currentCat = (BrowserItem)BrowserRootCategories.FirstOrDefault((x) => x.Name == splitCat[0]);
if (currentCat == null)
{
currentCat = AddRootCategory(splitCat[0]);
}
for (var i = 1; i < splitCat.Count; i++)
{
currentCatName = currentCatName + CATEGORY_DELIMITER + splitCat[i];
var tempCat = currentCat.Items.FirstOrDefault((x) => x.Name == splitCat[i]);
if (tempCat == null)
{
tempCat = new BrowserInternalElement(splitCat[i], currentCat);
currentCat.AddChild((BrowserInternalElement)tempCat);
_browserCategoryDict.Add(currentCatName, tempCat);
}
currentCat = tempCat;
}
return(currentCat);
}
/// <summary>
/// Attempt to add a new category to the browser and an item as one of its children
/// </summary>
/// <param name="category">The name of the category - a string possibly separated with one period </param>
/// <param name="item">The item to add as a child of that category</param>
internal void TryAddCategoryAndItem(string category, BrowserInternalElement item)
{
var cat = this.AddCategory(category);
cat.AddChild(item);
item.FullCategoryName = category;
var searchEleItem = item as SearchElementBase;
if (searchEleItem != null)
{
_searchElements.Add(searchEleItem);
}
}
/// <summary>
/// Attempt to add a new category to the browser and an item as one of its children
/// </summary>
/// <param name="category">The name of the category - a string possibly separated with one period </param>
/// <param name="item">The item to add as a child of that category</param>
public void TryAddCategoryAndItem(string category, BrowserInternalElement item)
{
if (!NodeCategories.ContainsKey(category))
{
NodeCategories.Add(category, new CategorySearchElement(category));
}
var cat = this.AddCategory(category);
cat.AddChild(item);
item.FullCategoryName = category;
var searchEleItem = item as SearchElementBase;
if (searchEleItem != null)
{
_browserLeaves.Add(searchEleItem);
}
}
public BrowserInternalElementViewModel(BrowserInternalElement model)
: base(model)
{}
internal static BrowserInternalElementViewModel WrapExplicit(BrowserInternalElement elem)
{
return new BrowserInternalElementViewModel(elem);
}