def _scrollView( self, value ):
        """
        Updates the gantt view scrolling to the inputed value.
        
        :param      value | <int>
        """
        if self._scrolling:
            return
        
        view_bar = self.uiGanttVIEW.verticalScrollBar()
        self._scrolling = True
        view_bar.setValue(value)
        self._scrolling = False