def add(self, widget):
row = ListBoxRow()
context = row.get_style_context()
widget.context = context
widget.set_references()
row.child = widget
row.add(widget)
super(Values, self).add(row)
def f(reference):
if state:
row = ListBoxRow()
row_context = row.get_style_context()
set_style(row_context, resource, 'expanded', state)
row.add(reference)
row.show()
self.insert(row, i + j)
else:
print("removing widget")
row = self.get_row_at_index(i)
print(reference)
print(row.get_children())
row.remove(reference)
row.destroy()