Sets the current font family to the inputed family.
        
        :param      family | <str>

def setCurrentFamily(self, family):
        """
        Sets the current font family to the inputed family.
        
        :param      family | <str>
        """
        for i in range(self.uiFontTREE.topLevelItemCount()):
            item = self.uiFontTREE.topLevelItem(i)
            if item.text(0) == family:
                self.uiFontTREE.setCurrentItem(item)
                return
        
        self.uiFontTREE.setCurrentItem(None)