Interface MutableTreeNode

All Superinterfaces:

TreeNode

All Known Implementing Classes:

DefaultMutableTreeNode, JTree.DynamicUtilTreeNode

public interface MutableTreeNode
extends TreeNode

Defines the requirements for a tree node object that can change -- by adding or removing child nodes, or by changing the contents of a user object stored in the node.

See Also:

• DefaultMutableTreeNode
• JTree

Method Summary

Modifier and Type	Method	Description
void	insert(MutableTreeNode child, int index)	Adds child to the receiver at index.
void	remove(int index)	Removes the child at index from the receiver.
void	remove(MutableTreeNode node)	Removes node from the receiver.
void	removeFromParent()	Removes the receiver from its parent.
void	setParent(MutableTreeNode newParent)	Sets the parent of the receiver to newParent.
void	setUserObject(Object object)	Resets the user object of the receiver to object.

Methods declared in interface TreeNode

children, getAllowsChildren, getChildAt, getChildCount, getIndex, getParent, isLeaf

Modifier and Type	Method	Description
Enumeration<? extends TreeNode>	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 Details

insert

void insert(MutableTreeNode child,
 int index)

Adds child to the receiver at index. child will be messaged with setParent.

Parameters:

child - node to be added

index - index of the receiver

remove

void remove(int index)

Removes the child at index from the receiver.

Parameters:

index - index of child to be removed

remove

void remove(MutableTreeNode node)

Removes node from the receiver. setParent will be messaged on node.

Parameters:

node - node to be removed from the receiver

setUserObject

void setUserObject(Object object)

Resets the user object of the receiver to object.

Parameters:

object - object to be set as a receiver

removeFromParent

void removeFromParent()

Removes the receiver from its parent.

setParent

void setParent(MutableTreeNode newParent)

Sets the parent of the receiver to newParent.

Parameters:

newParent - node to be set as parent of the receiver