Sets the contents margins for this node to the inputed values.
        
        :param      left    | <int>
                    top     | <int>
                    right   | <int>
                    bottom  | <int>

def setContentsMargins(self, left, top, right, bottom):
        """
        Sets the contents margins for this node to the inputed values.
        
        :param      left    | <int>
                    top     | <int>
                    right   | <int>
                    bottom  | <int>
        """
        self._margins   = (left, top, right, bottom)
        self.adjustTitleFont()