public void AddChildren(IEnumerable <IBlock> inputCharactors, Point caretPoint, string parentId)
{
Rect moleculeRect;
Rect denominatorRect;
if (null == Molecule)
{
moleculeRect = new Rect(Location.X - 2, Location.Y - 4, FontManager.Instance.FontSize + 4, FontManager.Instance.FontSize + 4);
}
else
{
moleculeRect = new Rect(Location.X - 2, Location.Y - 4, Molecule.GetSize().Width + 4, Molecule.GetSize().Height + 4);
}
if (null == Denominator)
{
denominatorRect = new Rect(Location.X - 2, Location.Y + FontManager.Instance.FontSize * 1.2 - 2, FontManager.Instance.FontSize + 4, FontManager.Instance.FontSize + 4);
}
else
{
denominatorRect = new Rect(Location.X - 2, Location.Y + moleculeRect.Height + FontManager.Instance.FontSize * 0.2 - 2, Denominator.GetSize().Width + 4, Denominator.GetSize().Height + 4);
}
if (moleculeRect.Contains(caretPoint))
{
if (null == Molecule)
{
Molecule = new BlockNode();
Molecule.ParentId = ID;
}
Molecule.AddChildren(inputCharactors, caretPoint, parentId);
}
else
{
if (null == Denominator)
{
Denominator = new BlockNode();
Denominator.ParentId = ID;
}
Denominator.AddChildren(inputCharactors, caretPoint, parentId);
}
}