How to use

isGroup

method

in

org.jgraph.graph.DefaultGraphModel

  /**
   * @param model
   * @param node
   * @return all the edges leaving the given <code>node</code>
   */
  public static Set getOutgoingEdges(GraphModel model, Object node)
  {
    Set result = new HashSet();
    Set edges = DefaultGraphModel.getEdges(model, new Object[] { node });
    Iterator it = edges.iterator();
    while (it.hasNext())
    {
      Object edge = it.next();
      if (!DefaultGraphModel.isGroup(model, edge))
      {
        Object source = model.getSource(edge);
        Object parent = model.getParent(source);
        if (source == node || parent == node)
          result.add(edge);
      }
    }
    return result;
  }
}

/**
 * @param model
 * @param node
 * @return all the edges entering the given <code>node</code>
 */
public static Set getIncomingEdges(GraphModel model, Object node)
{
  Set result = new HashSet();
  Set edges = DefaultGraphModel.getEdges(model, new Object[] { node });
  Iterator it = edges.iterator();
  while (it.hasNext())
  {
    Object edge = it.next();
    if (!DefaultGraphModel.isGroup(model, edge))
    {
      Object target = model.getTarget(edge);
      if (target == node || isParentOf(model, node, target))
        result.add(edge);
    }
  }
  return result;
}

Paint oldPaint = g2d.getPaint();
if (!DefaultGraphModel.isGroup(getScuflGraphModel(), view
    .getCell())) {
  g2d.setPaint(new GradientPaint(0, 0, getBackground(),

graphForeground = graph.getForeground();
isEditing = graph.getEditingCell() == view.getCell();
isGroup = DefaultGraphModel.isGroup(graph.getModel(), view.getCell());
Boolean bool = (Boolean) graph
    .getClientProperty(CLIENTPROPERTY_SHOWFOLDINGICONS);