findNodeByNodeObject(Object nodeObj) Find and return the mapper node that contains the specified node object,
or null if the node not found.
Parameters: nodeObj - the specifed node object to be matched.
Add a node to be the next one of the specified child node.
Parameters: childNode - the childNode to be match Parameters: newNode - the new node to be added next to child
Add a node to be the previous one of the specified child node.
Parameters: childNode - the childNode to be match Parameters: newNode - the new node to be added previous to child
Clone a new group mapper node. This method will not copy the node object,
the links and the property listeners of this node to the return object.
Each child is called clone to added to the new group mapper node.
return a new mapper node repersents this node.
Return true if the specifed node is in this group node, false otherwise.
Parameters: node - the specifed node to find. true if the specifed node is in this group node, falseotherwise.
Find and return the mapper node that contains the specified node object,
or null if the node not found.
Parameters: nodeObj - the specifed node object to be matched. the mapper node that contains the specified node object,or null if the node not found.
Return the end node that contains by the specifed link and also is one of
the node in this group node.
Parameters: link - the specified link the node in this group node that connected end point to theof the specified link.
Return the start node that contains by the specifed link and also is one
of the node in this group node.
Parameters: link - the specified link the node in this group node that connected to the startpoint of the specified link.