1 files changed, 72 insertions, 0 deletions
diff --git a/uv_magic_uv/utils/property_class_registry.py b/uv_magic_uv/utils/property_class_registry.py
new file mode 100644
index 00000000..20df0342
--- /dev/null
+++ b/uv_magic_uv/utils/property_class_registry.py
@@ -0,0 +1,72 @@
+# <pep8-80 compliant>
+
+# ##### 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+__author__ = "Nutti <nutti.metro@gmail.com>"
+__status__ = "production"
+__version__ = "5.2"
+__date__ = "17 Nov 2018"
+
+from .. import common
+
+__all__ = [
+    'PropertyClassRegistry',
+]
+
+
+class PropertyClassRegistry:
+    class_list = []
+
+    def __init__(self, *_, **kwargs):
+        self.legacy = kwargs.get('legacy', False)
+
+    def __call__(self, cls):
+        PropertyClassRegistry.add_class(cls.idname, cls, self.legacy)
+        return cls
+
+    @classmethod
+    def add_class(cls, idname, prop_class, legacy):
+        for class_ in cls.class_list:
+            if (class_["idname"] == idname) and (class_["legacy"] == legacy):
+                raise RuntimeError("{} is already registered".format(idname))
+
+        new_op = {
+            "idname": idname,
+            "class": prop_class,
+            "legacy": legacy,
+        }
+        cls.class_list.append(new_op)
+        common.debug_print("{} is registered.".format(idname))
+
+    @classmethod
+    def init_props(cls, scene):
+        for class_ in cls.class_list:
+            class_["class"].init_props(scene)
+            common.debug_print("{} is initialized.".format(class_["idname"]))
+
+    @classmethod
+    def del_props(cls, scene):
+        for class_ in cls.class_list:
+            class_["class"].del_props(scene)
+            common.debug_print("{} is cleared.".format(class_["idname"]))
+
+    @classmethod
+    def cleanup(cls):
+        cls.class_list = []
+        common.debug_print("Cleanup registry.")