def setColor( self, color ):
        """
        Convenience method to set the border, fill and highlight colors based
        on the inputed color.
        
        :param      color | <QColor>
        """
        # sets the border color as the full value
        self.setBorderColor(color)
        
        # set the highlight color as the color with a 140 % alpha
        clr = QColor(color)
        clr.setAlpha(150)
        self.setHighlightColor(clr)
        
        # set the fill color as the color with a 50 % alpha
        clr = QColor(color)
        clr.setAlpha(80)
        self.setFillColor(clr)