internal Rectangle GetNodeBounds(TreeNodeAdv node)
{
return(GetNodeBounds(GetNodeControls(node)));
}
public TreeViewAdvCancelEventArgs(TreeNodeAdv node)
: base(node)
{
}
private void AddExpandingNode(TreeNodeAdv node)
{
node.IsExpandingNow = true;
_expandingNodes.Add(node);
ExpandingIcon.Start();
}
private void RemoveExpandingNode(TreeNodeAdv node)
{
node.IsExpandingNow = false;
_expandingNodes.Remove(node);
}
private void AddNewNode(TreeNodeAdv parent, object tag, int index)
{
TreeNodeAdv node = new TreeNodeAdv(this, tag);
AddNode(parent, index, node);
}
internal void ReadChilds(TreeNodeAdv parentNode)
{
ReadChilds(parentNode, false);
}
internal IEnumerable <NodeControlInfo> GetNodeControls(TreeNodeAdv node, Rectangle rowRect)
{
if (node == null)
{
yield break;
}
int y = rowRect.Y;
int x = (node.Level - 1) * _indent + LeftMargin;
int width = 0;
Rectangle rect = Rectangle.Empty;
if (ShowPlusMinus)
{
width = _plusMinus.GetActualSize(node, _measureContext).Width;
rect = new Rectangle(x, y, width, rowRect.Height);
if (UseColumns && Columns.Count > 0 && Columns[0].Width < rect.Right)
{
rect.Width = Columns[0].Width - x;
}
yield return(new NodeControlInfo(_plusMinus, rect, node));
x += width;
}
if (!UseColumns)
{
foreach (NodeControl c in NodeControls)
{
Size s = c.GetActualSize(node, _measureContext);
if (!s.IsEmpty)
{
width = s.Width;
rect = new Rectangle(x, y, width, rowRect.Height);
x += rect.Width;
yield return(new NodeControlInfo(c, rect, node));
}
}
}
else
{
int right = 0;
foreach (TreeColumn col in Columns)
{
if (col.IsVisible && col.Width > 0)
{
right += col.Width;
for (int i = 0; i < NodeControls.Count; i++)
{
NodeControl nc = NodeControls[i];
if (nc.ParentColumn == col)
{
Size s = nc.GetActualSize(node, _measureContext);
if (!s.IsEmpty)
{
bool isLastControl = true;
for (int k = i + 1; k < NodeControls.Count; k++)
{
if (NodeControls[k].ParentColumn == col)
{
isLastControl = false;
break;
}
}
width = right - x;
if (!isLastControl)
{
width = s.Width;
}
int maxWidth = Math.Max(0, right - x);
rect = new Rectangle(x, y, Math.Min(maxWidth, width), rowRect.Height);
x += width;
yield return(new NodeControlInfo(nc, rect, node));
}
}
}
x = right;
}
}
}
}
