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:

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 `TreeNode`s 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

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.