public void DrawNode()
{
Brush b = new SolidBrush(NodeColor);
Pen p = new Pen(Color.Black, 2);
DrawSelf(b, p);
//calc point
Point begin = new Point(SelfOutRect.Right, SelfOutRect.Top + SelfOutRect.Height / 2);
Point end = new Point();
foreach (var child in Children)
{
end.X = child.SelfOutRect.Left;
end.Y = child.SelfOutRect.Top + child.SelfOutRect.Height / 2;
ShapeHelper.DrawConnectLine(nodeGraphics, p, begin, end);
child.DrawNode();
}
}
public override void OnPaint(PaintEventArgs e)
{
Init();
//绘制原图
Root.SetGraphics(e.Graphics);
Root.CalcNodeHeight();
Root.CalcNodeWidth();
Root.SelfOutRect.X = ClientSize.Width / 2 - Root.NodeOutRect.Width / 2;
Root.SelfOutRect.Y = ClientSize.Height / 2;
Root.AutoLayout();
Root.DrawNode();
if (CurrentSelectNode != null)
{
CurrentSelectNode.DrawOutLine(outlinePen);
}
if (!IsMoving || CurrentMoveNode == null)
{
return;
}
//绘制移动的节点
CurrentMoveNode.SelfOutRect.X = MovingPos.X - CurrentMoveNode.SelfOutRect.Width / 2;
CurrentMoveNode.SelfOutRect.Y = MovingPos.Y - CurrentMoveNode.SelfOutRect.Height / 2;
CurrentMoveNode.DrawSelf(moveBrush, movePen);
if (MoveToParentNode == null)
{
return;
}
//绘制父节点连线
MoveToParentNode.DrawOutLine(outlinePen);
CurrentMoveNode.DrawOutLine(outlinePen);
ShapeHelper.DrawConnectLine(e.Graphics, outlinePen, MoveToParentNode.ConnectOutPos, CurrentMoveNode.ConnectInPos);
}
public override void OnPaint(PaintEventArgs e)
{
ShapeHelper.DrawConnectLine(e.Graphics, drawPen, ConnectBegin, ConnectEnd);
}
