public DynamicTreeNode(DynamicTreeNodeCollection collection, IDynamicTreeNodeDataProxy data)
{
ParentNodes = collection;
nodes = new DynamicTreeNodeCollection(collection.View, this);
ClientData = data;
Render = true;
}
public DynamicTreeView()
: base()
{
NodeSpacing = new Size(4, 4);
SelectionRenderStyle = ArrowRenderStyle = DynamicTreeViewRenderStyle.Native;
Nodes = new DynamicTreeNodeCollection(this);
DoubleBuffered = true;
ResizeRedraw = true;
AutoScroll = true;
VerticalScroll.SmallChange = Font.Height * 3;
VerticalScroll.LargeChange = Font.Height * 10;
}
private void linkNodesChanged(DynamicTreeNodeCollection linkNodes)
{
if (Link.Nodes != linkNodes)
return;
linkNodesCache = null;
}
public DynamicTreeLinkNode(DynamicTreeNodeCollection collection, DynamicTreeNode link)
: base(collection, null)
{
Link = link;
nodesCache = new DynamicTreeNodeCollection(View, this);
}
protected virtual void PaintNodes(Graphics g, DynamicTreeNodeCollection nodes, ref int y)
{
foreach (DynamicTreeNode n in nodes.VisibleNodes)
{
bool draw = y + n.Bounds.Height > 0 && y < ClientSize.Height;
int x = NodeSpacing.Width + n.Depth * arrowSize.Value.Width;
if (draw && n.CanExpand)
{
int f = (int)(Font.Size - 8.5);
Rectangle rect = new Rectangle(x, y - 2 + f, arrowSize.Value.Width, arrowSize.Value.Height);
n.ArrowBox = rect;
if (g != null)
DrawArrow(g, rect, n.Expanded, n == HighlightArrow);
}
x += arrowSize.Value.Width - 4;
n.Position = new Point(x, y);
if (n.Render && g != null)
{
if (n == SelectedNode)
{
DrawSelection(g, Rectangle.Inflate(n.Bounds, -1, 2));
}
if (n == HighlightNode)
{
DrawHighlight(g, Rectangle.Inflate(n.Bounds, -1, 2));
}
if (SelectedNode != null && SelectedNode.HighlightWhenSelected(n.DataNode))
{
DrawSelection(g, Rectangle.Inflate(n.Bounds, -1, 2), Color.Yellow);
}
if (HighlightNode != null && HighlightNode.HighlightWhenSelected(n.DataNode))
{
DrawHighlight(g, Rectangle.Inflate(n.Bounds, -1, 2), Color.Yellow);
}
if (draw)
n.Draw(g);
}
//g.DrawRectangle(new Pen(Brushes.Gray, 1.0f), n.Bounds);
y += n.Bounds.Height + NodeSpacing.Height;
//if (n.Expanded)
// PaintNodes(g, n.Nodes, depth + 1, ref y);
}
}
