ControlBase_no_mixins.py

class Control(Styled, BindableObject):
    '''
    Base class for all mGui controls.  Provides the necessary frameworks for
    CtlProperty and CallbackProperty access to the underlying widget.
    
    NOTE this is not exactly identical to the code on github - more advanced stuff is removed to make the progression clearer
    '''
    CMD = cmds.control
    _ATTRIBS = ['annotation', 'backgroundColor', 'defineTemplate', 'docTag',  'enable', 'enableBackground', 'exists', 'fullPathName', 'height',  'manage', 'noBackground', 'numberOfPopupMenus', 'parent', 'popupMenuArray', 'preventOverride', 'useTemplate', 'visible', 'visibleChangeCommand', 'width']
    _CALLBACKS = ['dragCallback', 'dropCallback', 'visibleChangeCommand']
    _READ_ONLY = ['isObscured', 'popupMenuArray', 'numberOfPopupMenus']
    __metaclass__ = ControlMeta
    
    
    def __init__(self, key, *args, **kwargs):
        

        self.Key = key
        self.Widget = self.CMD(*args, **_style)
        '''
        Widget is the gui element in the scene
        '''
        self.Callbacks = {}
        '''
        A dictionary of Event objects
        '''
        Layout.add_current(self)
        
        
    def register_callback(self, callbackName, event):
        '''
        when a callback property is first accessed this creates an Event for the specified callback and hooks it to the gui widget's callback function
        '''
        kwargs = {'e':True, callbackName:event}
        self.CMD(self.Widget, **kwargs)
                
    
                
    def __nonzero__(self):
        return self.exists
    
    def __repr__(self):
        if self:
            return self.Widget
        else:
            return "<deleted UI element %s>" % self.__class__
        
    def __str__(self):
        return self.Widget
    
    def __iter__(self):
        yield self