public TreeMapItem(Gtk.TreeModel m,
ref Gtk.TreeIter iter,
bool horiz,
int textColumn,
int weightColumn)
{
if (m == null)
{
throw new ArgumentNullException("m");
}
if (iter.Equals(Gtk.TreeIter.Zero))
{
throw new ArgumentException("iter");
}
if (textColumn < 0)
{
throw new ArgumentException("textColumn");
}
if (weightColumn < 0)
{
throw new ArgumentException("weightColumn");
}
Path = m.GetPath(iter);
Title = (string)m.GetValue(iter, textColumn);
Weight = (double)m.GetValue(iter, weightColumn);
X = 0;
Y = 0;
Width = 0;
Height = 0;
Children = null;
Horiz = horiz;
Gtk.TreeIter citer;
double c_total = 0.0;
if (m.IterChildren(out citer, iter))
{
do
{
AddChild(new TreeMapItem(m, ref citer, !horiz, textColumn, weightColumn));
} while (m.IterNext(ref citer));
// Get total weight
Children.ForEach(delegate(TreeMapItem i) {
c_total += Math.Abs(i.Weight);
});
this.ChildrenWeight = c_total;
}
}