/// <summary>
/// Removes given list of elements form IProjectTree
/// </summary>
/// <param name="tree"></param>
/// <param name="itemsToRemove"></param>
/// <param name="itemFilter"></param>
/// <returns></returns>
public static IProjectTree RemoveElementsFromTree(this IProjectTree tree,
IEnumerable <string> itemsToRemove,
Func <string, bool> itemFilter)
{
foreach (string file in itemsToRemove)
{
if (itemFilter(file))
{
// See if we already have this one - we shouldn't
var existingNode = tree.FindImmediateChildByPath(file);
System.Diagnostics.Debug.Assert(existingNode != null);
if (existingNode != null)
{
tree = existingNode.Remove();
}
}
}
return(tree);
}
/// <summary>
/// Adds a givel list of elements to IProjectTree
/// </summary>
/// <param name="tree"></param>
/// <param name="itemsToAdd"></param>
/// <param name="itemFilter"></param>
/// <param name="nodeCreator"></param>
/// <returns></returns>
public static IProjectTree AddElementsToTree(this IProjectTree tree,
IEnumerable <string> itemsToAdd,
Func <string, bool> itemFilter,
Func <string, IProjectTree> nodeCreator)
{
foreach (string item in itemsToAdd)
{
if (itemFilter(item))
{
// Double check we don't already have this one - we shouldn't
var existingNode = tree.FindImmediateChildByPath(item);
System.Diagnostics.Debug.Assert(existingNode == null);
if (existingNode == null)
{
tree = tree.Add(nodeCreator(item)).Parent;
}
}
}
return(tree);
}
