/** * Add the graph item to the graph. * * @param graphItem Item to be added to the graph. */ public void addGraphItem(GraphItem graphItem) { if (graphItem != null) { graphItems.addElement(graphItem); graphItem.addGraphItemListener(graphItemListener); } repaint(); }
/** * Remove the graph item from the graph. * * @param graphItem Item to be removed from the graph. */ public void removeGraphItem(GraphItem graphItem) { graphItems.removeElement(graphItem); graphItem.removeGraphItemListener(graphItemListener); repaint(); }