forked from bartvdbraak/blender
112 lines
3.1 KiB
Python
112 lines
3.1 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
#
|
|
# ##### END GPL LICENSE BLOCK #####
|
|
|
|
import bpy
|
|
|
|
def collect_baseclasses(_class, bases):
|
|
|
|
if _class is type or _class is object:
|
|
return bases
|
|
|
|
bases.append(_class)
|
|
for _superclass in _class.__bases__:
|
|
collect_baseclasses(_superclass, bases)
|
|
|
|
return bases
|
|
|
|
def collect_subclasses(_class, subs):
|
|
|
|
if _class is type or _class is object:
|
|
return subs
|
|
|
|
subs.append(_class)
|
|
for _subclass in _class.__subclasses__():
|
|
collect_subclasses(_subclass, subs)
|
|
|
|
return subs
|
|
|
|
class DynMenu(bpy.types.Menu):
|
|
|
|
def draw(self, context):
|
|
'''
|
|
This is a draw function that is used to call all subclasses draw functions
|
|
starting from the registered classes draw function and working down.
|
|
|
|
DynMenu.setup() must be called first.
|
|
|
|
Sort/group classes could be nice
|
|
'''
|
|
|
|
subclass_ls = []
|
|
collect_subclasses(self.__class__, subclass_ls)
|
|
# print(subclass_ls)
|
|
|
|
for subclass in subclass_ls:
|
|
# print("drawwing", subclass) # , dir(subclass))
|
|
subclass.internal_draw(self, context)
|
|
# print("subclass.internal_draw", subclass.internal_draw)
|
|
|
|
def setup(menu_class):
|
|
'''
|
|
Setup subclasses (not needed when self.add() is used)
|
|
'''
|
|
bases = collect_baseclasses(menu_class, [])
|
|
|
|
# Incase 'DynMenu' isnt last
|
|
while bases[-1] is not DynMenu:
|
|
bases.pop()
|
|
bases.pop() # remove 'DynMenu'
|
|
|
|
root_class = bases[-1] # this is the registered class
|
|
|
|
for subclass in collect_subclasses(root_class, []):
|
|
#print(subclass)
|
|
|
|
draw = getattr(subclass, 'draw', None)
|
|
if draw and not hasattr(subclass, 'internal_draw'):
|
|
# print("replace", subclass, draw)
|
|
try:
|
|
del subclass.draw
|
|
except:
|
|
pass
|
|
subclass.internal_draw = draw
|
|
|
|
root_class.draw = DynMenu.draw
|
|
|
|
def add(menu_class, func):
|
|
'''
|
|
Add a single function directly without having to make a class
|
|
|
|
important that the returned value should be stored in the module that called it.
|
|
'''
|
|
|
|
newclass = type('<menuclass>', (menu_class,), {})
|
|
newclass.internal_draw = func
|
|
setup(menu_class)
|
|
return newclass
|
|
|
|
'''
|
|
# so we dont need to import this module
|
|
DynMenu.setup = setup
|
|
DynMenu.add = add
|
|
|
|
# Only so we can access as bpy.types.
|
|
# dont ever use this directly!
|
|
bpy.types.register(DynMenu)
|
|
'''
|