private void AddChildrenRecursive(BackendData.Foo foo, int numChildren, bool force)
{
if (this.IDCounter <= this.m_MaxItems)
{
if (foo.depth < 12)
{
if (force || UnityEngine.Random.value >= 0.5f)
{
if (foo.children == null)
{
foo.children = new List <BackendData.Foo>(numChildren);
}
for (int i = 0; i < numChildren; i++)
{
BackendData.Foo foo2 = new BackendData.Foo("Tud" + this.IDCounter, foo.depth + 1, ++this.IDCounter);
foo2.parent = foo;
foo.children.Add(foo2);
}
if (this.IDCounter <= this.m_MaxItems)
{
foreach (BackendData.Foo current in foo.children)
{
this.AddChildrenRecursive(current, UnityEngine.Random.Range(3, 15), false);
}
}
}
}
}
}
private HashSet <int> GetParentsBelowRecursive(BackendData.Foo searchFromThis)
{
HashSet <int> hashSet = new HashSet <int>();
BackendData.GetParentsBelowRecursive(searchFromThis, hashSet);
return(hashSet);
}
public void ReparentSelection(BackendData.Foo parentItem, int insertionIndex, List <BackendData.Foo> draggedItems)
{
if (parentItem != null)
{
if (insertionIndex > 0)
{
insertionIndex -= parentItem.children.GetRange(0, insertionIndex).Count(new Func <BackendData.Foo, bool>(draggedItems.Contains));
}
foreach (BackendData.Foo current in draggedItems)
{
current.parent.children.Remove(current);
current.parent = parentItem;
}
if (!parentItem.hasChildren)
{
parentItem.children = new List <BackendData.Foo>();
}
List <BackendData.Foo> list = new List <BackendData.Foo>(parentItem.children);
if (insertionIndex == -1)
{
insertionIndex = 0;
}
list.InsertRange(insertionIndex, draggedItems);
parentItem.children = list;
}
}
public static BackendData.Foo FindItemRecursive(BackendData.Foo item, int id)
{
BackendData.Foo result;
if (item == null)
{
result = null;
}
else if (item.id == id)
{
result = item;
}
else if (item.children == null)
{
result = null;
}
else
{
foreach (BackendData.Foo current in item.children)
{
BackendData.Foo foo = BackendData.FindItemRecursive(current, id);
if (foo != null)
{
result = foo;
return(result);
}
}
result = null;
}
return(result);
}
public BackendData.Foo FindRecursive(int id, BackendData.Foo parent)
{
BackendData.Foo result;
if (!parent.hasChildren)
{
result = null;
}
else
{
foreach (BackendData.Foo current in parent.children)
{
if (current.id == id)
{
result = current;
return(result);
}
BackendData.Foo foo = this.FindRecursive(id, current);
if (foo != null)
{
result = foo;
return(result);
}
}
result = null;
}
return(result);
}
public void GenerateData(int maxNumItems)
{
this.m_MaxItems = maxNumItems;
this.IDCounter = 1;
this.m_Root = new BackendData.Foo("Root", 0, 0);
for (int i = 0; i < 10; i++)
{
this.AddChildrenRecursive(this.m_Root, UnityEngine.Random.Range(3, 15), true);
}
}
private static void GetParentsBelowRecursive(BackendData.Foo item, HashSet <int> parentIDs)
{
if (item.hasChildren)
{
parentIDs.Add(item.id);
foreach (BackendData.Foo current in item.children)
{
BackendData.GetParentsBelowRecursive(current, parentIDs);
}
}
}
protected override HashSet <int> GetParentsAbove(int id)
{
HashSet <int> hashSet = new HashSet <int>();
for (BackendData.Foo foo = BackendData.FindItemRecursive(this.m_Backend.root, id); foo != null; foo = foo.parent)
{
if (foo.parent != null)
{
hashSet.Add(foo.parent.id);
}
}
return(hashSet);
}
protected override void GetParentsAbove(int id, HashSet <int> parentsAbove)
{
BackendData.Foo target = BackendData.FindItemRecursive(m_Backend.root, id);
while (target != null)
{
if (target.parent != null)
{
parentsAbove.Add(target.parent.id);
}
target = target.parent;
}
}
void AddChildrenRecursive(BackendData.Foo source, TreeViewItem dest)
{
if (source.hasChildren)
{
dest.children = new List <TreeViewItem>(source.children.Count);
for (int i = 0; i < source.children.Count; ++i)
{
BackendData.Foo s = source.children[i];
dest.children.Add(new FooTreeViewItem(s.id, dest.depth + 1, dest, s.name, s));
itemCounter++;
AddChildrenRecursive(s, dest.children[i]);
}
}
}
private void AddChildrenRecursive(BackendData.Foo source, TreeViewItem dest)
{
if (source.hasChildren)
{
dest.children = new List <TreeViewItem>(source.children.Count);
for (int i = 0; i < source.children.Count; i++)
{
BackendData.Foo foo = source.children[i];
dest.children.Add(new FooTreeViewItem(foo.id, dest.depth + 1, dest, foo.name, foo));
this.itemCounter++;
this.AddChildrenRecursive(foo, dest.children[i]);
}
}
}
protected override HashSet <int> GetParentsAbove(int id)
{
HashSet <int> parentsAbove = new HashSet <int>();
BackendData.Foo target = BackendData.FindItemRecursive(m_Backend.root, id);
while (target != null)
{
if (target.parent != null)
{
parentsAbove.Add(target.parent.id);
}
target = target.parent;
}
return(parentsAbove);
}
private void AddVisibleChildrenRecursive(BackendData.Foo source, TreeViewItem dest)
{
if (this.IsExpanded(source.id))
{
if (source.children != null && source.children.Count > 0)
{
dest.children = new List <TreeViewItem>(source.children.Count);
for (int i = 0; i < source.children.Count; i++)
{
BackendData.Foo foo = source.children[i];
dest.children.Add(new FooTreeViewItem(foo.id, dest.depth + 1, dest, foo.name, foo));
this.itemCounter++;
this.AddVisibleChildrenRecursive(foo, dest.children[i]);
}
}
}
else if (source.hasChildren)
{
dest.children = LazyTreeViewDataSource.CreateChildListForCollapsedParent();
}
}
private HashSet <int> GetParentsBelowStackBased(BackendData.Foo searchFromThis)
{
Stack <BackendData.Foo> stack = new Stack <BackendData.Foo>();
stack.Push(searchFromThis);
HashSet <int> hashSet = new HashSet <int>();
while (stack.Count > 0)
{
BackendData.Foo foo = stack.Pop();
if (foo.hasChildren)
{
hashSet.Add(foo.id);
foreach (BackendData.Foo current in foo.children)
{
stack.Push(current);
}
}
}
return(hashSet);
}
public HashSet <int> GetParentsBelow(int id)
{
BackendData.Foo foo = BackendData.FindItemRecursive(this.root, id);
HashSet <int> result;
if (foo != null)
{
if (this.m_RecursiveFindParentsBelow)
{
result = this.GetParentsBelowRecursive(foo);
}
else
{
result = this.GetParentsBelowStackBased(foo);
}
}
else
{
result = new HashSet <int>();
}
return(result);
}
void AddVisibleChildrenRecursive(BackendData.Foo source, TreeViewItem dest)
{
if (IsExpanded(source.id))
{
if (source.children != null && source.children.Count > 0)
{
dest.children = new List <TreeViewItem>(source.children.Count);
for (int i = 0; i < source.children.Count; ++i)
{
BackendData.Foo s = source.children[i];
dest.children.Add(new FooTreeViewItem(s.id, dest.depth + 1, dest, s.name, s));
++itemCounter;
AddVisibleChildrenRecursive(s, dest.children[i]);
}
}
}
else
{
if (source.hasChildren)
{
dest.children = CreateChildListForCollapsedParent(); // ensure we show the collapse arrow (because we do not fetch data for collapsed items)
}
}
}
public FooTreeViewItem(int id, int depth, TreeViewItem parent, string displayName, BackendData.Foo foo) : base(id, depth, parent, displayName)
{
this.foo = foo;
}
