private bool FindAndSelectNode(object p, TVItem item)
{
if (item != null)
{
if (item.IdenticalData(p))
{
SelectedNode = item;
return(true);
}
if (item.Expanded)
{
foreach (TVItem ch in item.Children)
{
if (FindAndSelectNode(p, ch))
{
return(true);
}
}
}
}
return(false);
}
private int PaintItem(TVItem item, int y, int level, int width, Graphics g)
{
string itemName = item.GetName();
SizeF textSize = g.MeasureString(itemName, ItemFont);
int lastY = y + ItemHeight;
item.PaintRect.X = level * ItemHeight;
item.PaintRect.Y = y;
item.PaintRect.Height = ItemHeight;
item.PaintRect.Width = width - level * ItemHeight;
//Debugger.Log(0, "", "Draw Item: " + item.Name + ", rect:" + item.PaintRect.ToString() + "\n");
if (item.IdenticalData(p_futureSelection))
{
SelectedNode = item;
}
if (SelectedNode == item)
{
g.FillRectangle(CellSelBackColor, item.PaintRect);
}
if (item.IsExpandable())
{
int pp = ItemHeight / 5;
g.DrawImage((item.Expanded ? Properties.Resources.iconCollapse : Properties.Resources.iconExpand),
new Rectangle(item.PaintRect.X, item.PaintRect.Y, ItemHeight, ItemHeight));
}
g.DrawString(itemName, ItemFont, Brushes.Black, item.PaintRect.X + ItemHeight, item.PaintRect.Y + (int)(ItemHeight - textSize.Height) / 2);
if (item == SelectedNode && item.GetActions() != null)
{
g.DrawImage(Properties.Resources.IconActions, width - ItemHeight, y, ItemHeight, ItemHeight);
}
if (item.Expanded)
{
// padding before
lastY += 4;
int topY = lastY;
if (item.Children != null && item.Children.Count > 0)
{
// higher level of children
level++;
g.DrawLine(CellBorderPen, level * ItemHeight, lastY, level * ItemHeight + 8, lastY);
for (int i = 0; i < item.Children.Count; i++)
{
lastY = PaintItem(item.Children[i], lastY, level, width - 2, g);
g.DrawLine(CellBorderPen, level * ItemHeight, lastY, level * ItemHeight + 8, lastY);
}
// vertical line
//g.DrawLine(CellBorderPen, width - 1, topY, width - 1, lastY);
g.DrawLine(CellBorderPen, level * ItemHeight, topY, level * ItemHeight, lastY);
}
else
{
textSize = g.MeasureString("(empty)", ItemEmptyFont);
g.DrawString("(empty)", ItemEmptyFont, Brushes.Black, item.PaintRect.X + ItemHeight, lastY + (int)(ItemHeight - textSize.Height) / 2);
lastY += ItemHeight;
}
// padding after
lastY += 4;
}
return(lastY);
}