TreeNode (GNU libgcj 4.8.0 Documentation)

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
```
A tree node.

Method Summary

Methods
Modifier and Type	Method and Description
`Enumeration`	`children()` Returns an enumeration of the children of this node, or an empty enumeration if this node has no children.
`boolean`	`getAllowsChildren()` Returns `true` if this node allows children, and `false` otherwise.
`TreeNode`	`getChildAt(int index)` Returns the child node at the given index.
`int`	`getChildCount()` Returns the number of children for this node.
`int`	`getIndex(TreeNode node)` Returns the index of the specified child node, or -1 if the node is not in fact a child of this node.
`TreeNode`	`getParent()` Returns the parent node for this tree node, or `null` if this node has no parent.
`boolean`	`isLeaf()` Returns `true` if this node is a leaf node, and `false` otherwise.

- Method Detail
  - getParent
```
TreeNode getParent()
```
    Returns the parent node for this tree node, or null if this node has no parent.
    
    Returns:
    The parent node (possibly null).
  - getIndex
```
int getIndex(TreeNode node)
```
    Returns the index of the specified child node, or -1 if the node is not in fact a child of this node.
    
    Parameters:
    node - the node (null not permitted).
    
    Returns:
    The index of the specified child node, or -1.
    
    Throws:
    
    IllegalArgumentException - if node is null.
  - getChildAt
```
TreeNode getChildAt(int index)
```
    Returns the child node at the given index.
    
    Parameters:
    index - the index (in the range 0 to getChildCount() - 1).
    
    Returns:
    The child node at the given index.
  - getChildCount
```
int getChildCount()
```
    Returns the number of children for this node.
    
    Returns:
    The number of children for this node.
  - getAllowsChildren
```
boolean getAllowsChildren()
```
    Returns true if this node allows children, and false otherwise.
    
    Returns:
    A boolean.
  - isLeaf
```
boolean isLeaf()
```
    Returns true if this node is a leaf node, and false otherwise.
    
    Returns:
    A boolean.
  - children
```
Enumeration children()
```
    Returns an enumeration of the children of this node, or an empty enumeration if this node has no children.
    
    Returns:
    An enumeration of the children of this node.

Interface TreeNode

Method Summary

Method Detail

getParent

getIndex

getChildAt

getChildCount

getAllowsChildren

isLeaf

children