internal FindResult FindTreeIndex(TreeNode_Old node)
{
FindResult res = new FindResult();
for (int i = 0; i < Nodes.Count; i++)
{
if (node._id == Nodes[i]._id)
{
return new FindResult()
{
Found = true, Index = res.Index + 1
}
}
;
var node_res = Nodes[i].FindTreeIndex(node);
if (!_collapsed && !Nodes[i]._hidden)
{
res.Index += node_res.Index + 1;
}
res.Found = node_res.Found;
if (node_res.Found)
{
return(res);
}
}
return(new FindResult()
{
Found = false, Index = res.Index
});
}
public bool MoveNext()
{
if (_current == null)
{
_current = this;
}
if (_current.Nodes.Count > 0)
{
_current = _current.Nodes[0];
return(true);
}
var parentNode = _current.Parent;
while (parentNode != null && _current._id != this._id)
{
if (_current.Index + 1 > parentNode.Nodes.Count)
{
_current = parentNode;
parentNode = _current.Parent;
}
else
{
_current = parentNode.Nodes[_current.Index];
return(true);
}
}
return(false);
}
public void AddNode(TreeNode_Old node)
{
Nodes.Add(node);
node.Index = Nodes.Count;
node.Parent = this;
//if (node.Self == null && node.CreateGO)
// node.Self = node.CreateNode();
node.UpdateContent();
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
var mclient = PointToClient(MousePosition);
// Scroll.
Rectangle _scrollRect = new Rectangle(Width - _scrollWidth, _scrollY, _scrollWidth, _scrollHeight);
if (_scrollRect.Contains(mclient))
{
_scroll = true;
_scrollStartY = mclient.Y - _scrollY;
}
else
{
_scroll = false;
}
// Drag items.
if (!_scroll)
{
for (int i = 0; i < _renderList.Count; i++)
{
Rectangle nodeRect = new Rectangle(0, i * NodeHeight, Width - _scrollWidth, NodeHeight);
if (nodeRect.Contains(mclient))
{
_selectedIndex = _renderList[i].Index;
if (!_renderList[i].Node.AllowDrag)
{
break;
}
_drag = true;
_dragNode = _renderList[i].Node;
_dragPosition = mclient;
break;
}
}
}
}
internal void OnDoubleClickCall(MouseEventArgs e, TreeNode_Old self)
{
OnDoubleClick(e, self);
}
public void Reset()
{
_current = this;
}
internal int GetTreeIndex() // ? dunno.
{
TreeNode_Old parent_node = GetRootNode();
return(parent_node.FindTreeIndex(this).Index);
}
internal void OnDoubleClickCall(MouseEventArgs e, TreeNode_Old self)
{
OnDoubleClick(e, self);
}
public void Reset()
{
_current = this;
}
public bool MoveNext()
{
if (_current == null) _current = this;
if (_current.Nodes.Count > 0)
{
_current = _current.Nodes[0];
return true;
}
var parentNode = _current.Parent;
while (parentNode != null && _current._id != this._id)
{
if (_current.Index + 1 > parentNode.Nodes.Count)
{
_current = parentNode;
parentNode = _current.Parent;
}
else
{
_current = parentNode.Nodes[_current.Index];
return true;
}
}
return false;
}
public void AddNode(TreeNode_Old node)
{
Nodes.Add(node);
node.Index = Nodes.Count;
node.Parent = this;
//if (node.Self == null && node.CreateGO)
// node.Self = node.CreateNode();
node.UpdateContent();
}
internal FindResult FindTreeIndex(TreeNode_Old node)
{
FindResult res = new FindResult();
for (int i = 0; i < Nodes.Count; i++)
{
if (node._id == Nodes[i]._id)
return new FindResult() { Found = true, Index = res.Index + 1 };
var node_res = Nodes[i].FindTreeIndex(node);
if (!_collapsed && !Nodes[i]._hidden)
res.Index += node_res.Index + 1;
res.Found = node_res.Found;
if (node_res.Found)
return res;
}
return new FindResult() { Found = false, Index = res.Index };
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
var mclient = PointToClient(MousePosition);
// Scroll.
Rectangle _scrollRect = new Rectangle(Width - _scrollWidth, _scrollY, _scrollWidth, _scrollHeight);
if (_scrollRect.Contains(mclient))
{
_scroll = true;
_scrollStartY = mclient.Y - _scrollY;
}
else
_scroll = false;
// Drag items.
if (!_scroll)
for (int i = 0; i < _renderList.Count; i++)
{
Rectangle nodeRect = new Rectangle(0, i * NodeHeight, Width - _scrollWidth, NodeHeight);
if (nodeRect.Contains(mclient))
{
_selectedIndex = _renderList[i].Index;
if (!_renderList[i].Node.AllowDrag) break;
_drag = true;
_dragNode = _renderList[i].Node;
_dragPosition = mclient;
break;
}
}
}
