public interface TreeNode
Defines the requirements for an object that can be used as a tree node in a JTree.
Implementations of TreeNode that override equals will typically need to override hashCode as well. Refer to TreeModel for more information. For further information and examples of using tree nodes, see How to Use Tree Nodes in The Java Tutorial.
Method Summary | |
---|---|
Enumeration |
children
() Returns the children of the receiver as an Enumeration. |
boolean |
getAllowsChildren
() Returns true if the receiver allows children. |
TreeNode |
getChildAt
(int childIndex) Returns the child TreeNode at index childIndex. |
int |
getChildCount
() Returns the number of children TreeNodes the receiver contains. |
int |
getIndex
(
TreeNode
node) Returns the index of node in the receivers children. |
TreeNode |
getParent
() Returns the parent TreeNode of the receiver. |
boolean |
isLeaf
() Returns true if the receiver is a leaf. |
Method Detail |
---|
TreeNode getChildAt(int childIndex)
int getChildCount()
TreeNode getParent()
int getIndex(TreeNode node)
boolean getAllowsChildren()
boolean isLeaf()
Enumeration children()