void Attach(SortedList <float, GridLine <T> > lines, GridLineEntry <T> entry, bool vertical)
{
var key = vertical ? entry.Location.X : entry.Location.Y;
if (lines.ContainsKey(key))
{
var line = lines[key];
line.elements.Add(entry);
line.UpdateSizeConstrains();
if (vertical)
{
entry.OffsetX = line.Offset;
}
else
{
entry.OffsetY = line.Offset;
}
}
else
{
var line = new GridLine <T>(vertical);
line.elements.Add(entry);
line.Key = key;
line.UpdateSizeConstrains();
if (vertical)
{
entry.OffsetX = line.Offset;
}
else
{
entry.OffsetY = line.Offset;
}
lines.Add(key, line);
}
}
public void Add(T element, PointF location, SizeF size)
{
var entry = new GridLineEntry <T>(element, location, size);
elements.Add(element, entry);
Attach(horzLines, entry, false);
Attach(vertLines, entry, true);
}
void Detach(SortedList <float, GridLine <T> > lines, GridLineEntry <T> entry, bool vertical)
{
var key = vertical ? entry.Location.X : entry.Location.Y;
if (lines.ContainsKey(key))
{
var line = lines[key];
line.elements.Remove(entry);
line.UpdateSizeConstrains();
if (line.Count == 0)
{
lines.Remove(key);
}
}
}
