def _new_paradigm(self, project, category=None, dtype=None, name=None):
klass = DataClass(MimeType(name=dtype))
if name is None:
# Builtin default name for some categories
if category in ['startup', 'lib']:
d = {'startup': 'start.py', 'lib': 'algo.py'}
name = d[category]
else:
# If category defined, use it in name
if category:
name = '%s_%s.%s' % (klass.default_name.lower(), category.lower(), klass.extension)
else:
name = 'file.%s' % klass.extension
# Change extension to fit dtype (case name is given with wrong extension)
parts = name.split('.')
parts[-1] = klass.extension
default_name = '.'.join(parts)
if category:
categories = [category]
else:
categories = project.categories.keys()
# Show dialog
w = ParadigmInfoSelector(default_name, categories, [dtype],
project=project)
dialog = ModalDialog(w)
w.validity_changed.connect(dialog.set_valid)
dialog.set_valid(w.is_valid())
if dialog.exec_():
name = w.name()
category = w.category()
dtype = w.dtype()
p = project.path / category / name
if p.exists():
project.add(category, path=p)
else:
project.add(category, filename=name, content="", dtype=dtype)
self.item_added.emit(project, category, name)
