Package Summary  Overview Summary

class:TreeNode [NONE]

All Known Subinterfaces:
MutableTreeNode
All Known Implementing Classes:
AbstractDocument.AbstractElement, AbstractDocument.BranchElement, AbstractDocument.LeafElement, DefaultMutableTreeNode, DefaultStyledDocument.SectionElement, HTMLDocument.BlockElement, HTMLDocument.RunElement, JTree.DynamicUtilTreeNode

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:getChildAt(int) [NONE]

  • getChildAt

    TreeNode getChildAt?(int childIndex)
    Returns the child TreeNode at index childIndex.
    Parameters:
    childIndex - index of child
    Returns:
    the child node at given index
  • method:getChildCount() [NONE]

    getChildCount

    int getChildCount()
    Returns the number of children TreeNodes the receiver contains.
    Returns:
    the number of children the receiver contains

    method:getParent() [NONE]

    getParent

    TreeNode getParent()
    Returns the parent TreeNode of the receiver.
    Returns:
    the parent of the receiver

    method:getIndex(javax.swing.tree.TreeNode) [NONE]

    getIndex

    int getIndex?(TreeNode node)
    Returns the index of node in the receivers children. If the receiver does not contain node, -1 will be returned.
    Parameters:
    node - node to be loked for
    Returns:
    index of specified node

    method:getAllowsChildren() [NONE]

    getAllowsChildren

    boolean getAllowsChildren()
    Returns true if the receiver allows children.
    Returns:
    whether the receiver allows children

    method:isLeaf() [NONE]

    isLeaf

    boolean isLeaf()
    Returns true if the receiver is a leaf.
    Returns:
    whether the receiver is a leaf

    method:children() [NONE]

    children

    Enumeration<? extends TreeNode>  children()
    Returns the children of the receiver as an Enumeration.
    Returns:
    the children of the receiver as an Enumeration

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