From 812d34989f02bdd4018d1e23af3680ac63011f14 Mon Sep 17 00:00:00 2001
From: Matthew Einhorn <moiein2000@gmail.com>
Date: Wed, 28 Aug 2013 20:48:11 -0400
Subject: [PATCH] Update ToggleButton to use the ToggleButtonBehavior.

---
 kivy/uix/togglebutton.py | 88 ++--------------------------------------
 1 file changed, 3 insertions(+), 85 deletions(-)

diff --git a/kivy/uix/togglebutton.py b/kivy/uix/togglebutton.py
index 7de7154c1..c44b662f6 100644
--- a/kivy/uix/togglebutton.py
+++ b/kivy/uix/togglebutton.py
@@ -23,95 +23,13 @@ for a Button class.
 
 __all__ = ('ToggleButton', )
 
-from weakref import ref
 from kivy.uix.button import Button
-from kivy.properties import ObjectProperty
+from kivy.uix.behaviors import ToggleButtonBehavior
 
 
-class ToggleButton(Button):
+class ToggleButton(ToggleButtonBehavior, Button):
     '''Toggle button class, see module documentation for more information.
     '''
 
-    __groups = {}
-
-    group = ObjectProperty(None, allownone=True)
-    '''Group of the button. If None, no group will be used (button is
-    independent). If specified, :data:`group` must be a hashable object, like
-    a string. Only one button in a group can be in 'down' state.
-
-    :data:`group` is a :class:`~kivy.properties.ObjectProperty`
-    '''
-
-    def __init__(self, **kwargs):
-        self._previous_group = None
-        super(ToggleButton, self).__init__(**kwargs)
-
-    def on_group(self, *largs):
-        groups = ToggleButton.__groups
-        if self._previous_group:
-            group = groups[self._previous_group]
-            for item in group[:]:
-                if item() is self:
-                    group.remove(item)
-                    break
-        group = self._previous_group = self.group
-        if group not in groups:
-            groups[group] = []
-        r = ref(self, ToggleButton._clear_groups)
-        groups[group].append(r)
-
-    def _release_group(self, current):
-        if self.group is None:
-            return
-        group = self.__groups[self.group]
-        for item in group[:]:
-            widget = item()
-            if widget is None:
-                group.remove(item)
-            if widget is current:
-                continue
-            widget.state = 'normal'
-
-    def _do_press(self):
-        self._release_group(self)
-        self.state = 'normal' if self.state == 'down' else 'down'
-
-    def _do_release(self):
-        pass
-
-    @staticmethod
-    def _clear_groups(wk):
-        # auto flush the element when the weak reference have been deleted
-        groups = ToggleButton.__groups
-        for group in list(groups.values()):
-            if wk in group:
-                group.remove(wk)
-                break
-
-    @staticmethod
-    def get_widgets(groupname):
-        '''Return the widgets contained in a specific group. If the group
-        doesn't exist, an empty list will be returned.
-
-        .. important::
-
-            Always release the result of this method! In doubt, do::
-
-                l = ToggleButton.get_widgets('mygroup')
-                # do your job
-                del l
-
-        .. warning::
-
-            It's possible that some widgets that you have previously deleted are
-            still in the list. Garbage collector might need more elements before
-            flushing it. The return of this method is informative, you've been
-            warned!
-
-        .. versionadded:: 1.3.0
-        '''
-        groups = ToggleButton.__groups
-        if groupname not in groups:
-            return []
-        return [x() for x in groups[groupname] if x()][:]
+    pass