/// <summary>
/// Hide the repeated atoms and bonds of a multiple group. We hide al atoms that
/// belong to the group unless they are defined in the parent atom list. Any
/// bond to those atoms that is not a crossing bond or one connecting atoms in
/// the parent list is hidden.
/// </summary>
/// <param name="container">molecule</param>
/// <param name="sgroup">multiple group display shortcut</param>
private static void HideMultipleParts(IAtomContainer container, Sgroup sgroup)
{
var crossing = sgroup.Bonds;
var atoms = sgroup.Atoms;
var parentAtoms = (ICollection <IAtom>)sgroup.GetValue(SgroupKey.CtabParentAtomList);
foreach (var bond in container.Bonds)
{
if (parentAtoms.Contains(bond.Begin) && parentAtoms.Contains(bond.End))
{
continue;
}
if (atoms.Contains(bond.Begin) || atoms.Contains(bond.End))
{
StandardGenerator.Hide(bond);
}
}
foreach (var atom in atoms)
{
if (!parentAtoms.Contains(atom))
{
StandardGenerator.Hide(atom);
}
}
foreach (var bond in crossing)
{
StandardGenerator.Unhide(bond);
}
}
/// <summary>
/// Hide the atoms and bonds of a contracted abbreviation. If the abbreviations is attached
/// we remap the attachment symbol to display the name. If there are no attachments the symbol
/// we be added later ({@see #generateSgroups}).
/// </summary>
/// <param name="container">molecule</param>
/// <param name="sgroup">abbreviation group display shortcut</param>
private static void ContractAbbreviation(IAtomContainer container, IDictionary <IAtom, string> symbolRemap, Sgroup sgroup)
{
var crossing = sgroup.Bonds;
var atoms = sgroup.Atoms;
// only do 0,1 attachments for now
if (crossing.Count > 1)
{
return;
}
foreach (var atom in atoms)
{
StandardGenerator.Hide(atom);
}
foreach (var bond in container.Bonds)
{
if (atoms.Contains(bond.Begin) ||
atoms.Contains(bond.End))
{
StandardGenerator.Hide(bond);
}
}
foreach (var bond in crossing)
{
StandardGenerator.Unhide(bond);
var a1 = bond.Begin;
var a2 = bond.End;
StandardGenerator.Unhide(a1);
if (atoms.Contains(a1))
{
symbolRemap[a1] = sgroup.Subscript;
}
StandardGenerator.Unhide(a2);
if (atoms.Contains(a2))
{
symbolRemap[a2] = sgroup.Subscript;
}
}
}
