import edtools as et
import re

def user_edit_pair(fname_stem, th, tc):

    data = []
    mm = re.finditer('const QString (\w+)::([MPT]_[A-Z0-9_]+) = "(.+?)";', tc)
    for m in mm:
        data.append([m.group(1), m.group(2), m.group(3)])
    mm = re.finditer('const QString (\w+)::([MPT]_[A-Z0-9_]+)\("(.+?)"\);', tc)
    for m in mm:
        data.append([m.group(1), m.group(2), m.group(3)])

    for cname, typ, label in data:
        rlabel = re.sub(r'\[', r'\\[', label)
        rlabel = re.sub(r'\]', r'\\]', rlabel)
        rlabel = re.sub(r'\(', r'\\(', rlabel)
        rlabel = re.sub(r'\)', r'\\)', rlabel)
        tc = re.sub('\n+const QString '+cname+'::'+typ+' =\s+"'+rlabel+'";', '', tc)
        tc = re.sub('\n+const QString '+cname+'::'+typ+'\("'+rlabel+'"\);', '', tc)
        th = re.sub(r'class( BA_CORE_API_)? ('+cname+r'.+?)static const QString '+typ+r';(.*?\n};)',
                    r'class \2static constexpr auto '+typ+r'{"'+label+r'"};\3', th, 0, re.S)

    return th, tc

et.ed_argfilepairs(user_edit_pair)

Introduce class ItemWithParticles as base for ParticleItem et. al. Make SessionGraphicsItem virtual base class.

last user of this has been ParticleDistribution, which was removed in the last commits

As recommended by
https://google.github.io/styleguide/cppguide.html#The__define_Guard

Add RealSpaceMesoCrystal class for populating MesoCrystal and make methods public in MesoCrystalItem for access