/// <summary>
/// Builds the three, recursively, parsing a string of full file paths.
/// Only assings data for the leaf nodes.
/// </summary>
/// <param name="tuples">Item1: Full file path, separated by the directory separator. Item2: Data item.</param>
public void BuildTreeRecursive(IEnumerable <Tuple <string[], object> > tuples)
{
HashSet <string> lastPaths = new HashSet <string>();
foreach (var tuple in tuples)
{
if (tuple.Item1.Length <= this.Level)
{
continue;
}
if (lastPaths.Contains(tuple.Item1[this.Level]))
{
continue;
}
string tuplePath = string.Join(System.IO.Path.DirectorySeparatorChar.ToString(), tuple.Item1.Take(this.Level));
if (this.TextPlusParents == tuplePath)
{
lastPaths.Add(tuple.Item1[this.Level]);
var newNode = new ModelTreeItem(this.Level + 1, tuple.Item1[this.Level], imageFunc: this._ImageFunc);
newNode.ParentItem = this;
this.ChildItems.Add(newNode);
if (tuple.Item1.Length == this.Level + 1)
{
newNode.Data = tuple.Item2;
}
else
{
newNode.BuildTreeRecursive(tuples);
}
}
}
this.ChildItems = new ObservableCollection <ModelTreeItem>(this.ChildItems.OrderBy(c => c.HasData));
}
//public int GetTextsToRoot()
//{
// foreach (var child in ChildItems)
// if (child.HasData)
// return 1;
// else
// return child.GetTextsToRoot()
// return this.ParentItem.GetTextsToRoot().Append(this.Text);
//}
public ModelTreeItem VirtualizeChildrenByTextPrefix(string virtualNodeText, string textPrefix)
{
var selectedChildren = ChildItems.Where(c => c.Text.StartsWith(textPrefix)).ToArray();
ModelTreeItem newNode = new ModelTreeItem(this.Level + 1, virtualNodeText, imageFunc: this._ImageFunc)
{
IsVirtual = true, ParentItem = this
};
if (!selectedChildren.Any())
{
return(newNode);
}
//int oldIndexInChildItems = this.ChildItems.IndexOf(selectedChildren.First());
foreach (var selectedChild in selectedChildren)
{
ChildItems.Remove(selectedChild);
selectedChild.ParentItem = newNode;
selectedChild.IncreaseLevelRecursive(1);
newNode.ChildItems.Add(selectedChild);
}
//this.ChildItems.Insert(oldIndexInChildItems, newNode);
this.ChildItems.Add(newNode);
return(newNode);
}
private bool ApplyFilterToTreeRecursive(ModelTreeItem node)
{
bool visible = false;
foreach (var child in node.ChildItems)
{
if (child.HasData && !this.FileOnlyFoldersFilter)
{
child.IsVisible = (this.FileTypeFilterSTL && child.Text.EndsWith(".stl", StringComparison.InvariantCultureIgnoreCase) ||
this.FileTypeFilterOBJ && child.Text.EndsWith(".obj", StringComparison.InvariantCultureIgnoreCase) ||
this.FileTypeFilter3MF && child.Text.EndsWith(".3mf", StringComparison.InvariantCultureIgnoreCase));
visible = visible || child.IsVisible;
}
else
{
visible = ApplyFilterToTreeRecursive(child) || visible || this.FileOnlyFoldersFilter;
}
}
node.IsVisible = visible;
return(visible);
}