void add(MutableTreeNode newChild)
Removes newChild from its parent and makes it a child of this node by adding it to the end of this node's child array.
Enumeration breadthFirstEnumeration()
Creates and returns an enumeration that traverses the subtree rooted at this node in breadth-first order.
Enumeration children()
Creates and returns a forward-order enumeration of this node's children.
Object clone()
Overridden to make clone public.
Enumeration depthFirstEnumeration()
Creates and returns an enumeration that traverses the subtree rooted at this node in depth-first order.
boolean getAllowsChildren()
Returns true if this node is allowed to have children.
TreeNode getChildAfter(TreeNode aChild)
Returns the child in this node's child array that immediately follows aChild, which must be a child of this node.
TreeNode getChildAt(int index)
Returns the child at the specified index in this node's child array.
TreeNode getChildBefore(TreeNode aChild)
Returns the child in this node's child array that immediately precedes aChild, which must be a child of this node.
int getChildCount()
Returns the number of children of this node.
int getDepth()
Returns the depth of the tree rooted at this node -- the longest distance from this node to a leaf.
TreeNode getFirstChild()
Returns this node's first child.
DefaultMutableTreeNode getFirstLeaf()
Finds and returns the first leaf that is a descendant of this node -- either this node or its first child's first leaf.
int getIndex(TreeNode aChild)
Returns the index of the specified child in this node's child array.
TreeNode getLastChild()
Returns this node's last child.
DefaultMutableTreeNode getLastLeaf()
Finds and returns the last leaf that is a descendant of this node -- either this node or its last child's last leaf.
int getLeafCount()
Returns the total number of leaves that are descendants of this node.
int getLevel()
Returns the number of levels above this node -- the distance from the root to this node.
DefaultMutableTreeNode getNextLeaf()
Returns the leaf after this node or null if this node is the last leaf in the tree.
DefaultMutableTreeNode getNextNode()
Returns the node that follows this node in a preorder traversal of this node's tree.
DefaultMutableTreeNode getNextSibling()
Returns the next sibling of this node in the parent's children array.
TreeNode getParent()
Returns this node's parent or null if this node has no parent.
TreeNode[] getPath()
Returns the path from the root, to get to this node.
protected TreeNode[] getPathToRoot(TreeNode aNode, int depth)
Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
DefaultMutableTreeNode getPreviousLeaf()
Returns the leaf before this node or null if this node is the first leaf in the tree.
DefaultMutableTreeNode getPreviousNode()
Returns the node that precedes this node in a preorder traversal of this node's tree.
DefaultMutableTreeNode getPreviousSibling()
Returns the previous sibling of this node in the parent's children array.
TreeNode getRoot()
Returns the root of the tree that contains this node.
TreeNode getSharedAncestor(DefaultMutableTreeNode aNode)
Returns the nearest common ancestor to this node and aNode.
int getSiblingCount()
Returns the number of siblings of this node.
Object getUserObject()
Returns this node's user object.
Object[] getUserObjectPath()
Returns the user object path, from the root, to get to this node.
void insert(MutableTreeNode newChild, int childIndex)
Removes newChild from its present parent (if it has a parent), sets the child's parent to this node, and then adds the child to this node's child array at index childIndex.
boolean isLeaf()
Returns true if this node has no children.
boolean isNodeAncestor(TreeNode anotherNode)
Returns true if anotherNode is an ancestor of this node -- if it is this node, this node's parent, or an ancestor of this node's parent.
boolean isNodeChild(TreeNode aNode)
Returns true if aNode is a child of this node.
boolean isNodeDescendant(DefaultMutableTreeNode anotherNode)
Returns true if anotherNode is a descendant of this node -- if it is this node, one of this node's children, or a descendant of one of this node's children.
boolean isNodeRelated(DefaultMutableTreeNode aNode)
Returns true if and only if aNode is in the same tree as this node.
boolean isNodeSibling(TreeNode anotherNode)
Returns true if anotherNode is a sibling of (has the same parent as) this node.
boolean isRoot()
Returns true if this node is the root of the tree.
Enumeration pathFromAncestorEnumeration(TreeNode ancestor)
Creates and returns an enumeration that follows the path from ancestor to this node.
Enumeration postorderEnumeration()
Creates and returns an enumeration that traverses the subtree rooted at this node in postorder.
Enumeration preorderEnumeration()
Creates and returns an enumeration that traverses the subtree rooted at this node in preorder.
void remove(int childIndex)
Removes the child at the specified index from this node's children and sets that node's parent to null.
void remove(MutableTreeNode aChild)
Removes aChild from this node's child array, giving it a null parent.
void removeAllChildren()
Removes all of this node's children, setting their parents to null.
void removeFromParent()
Removes the subtree rooted at this node from the tree, giving this node a null parent.
void setAllowsChildren(boolean allows)
Determines whether or not this node is allowed to have children.
void setParent(MutableTreeNode newParent)
Sets this node's parent to newParent but does not change the parent's child array.
void setUserObject(Object userObject)
Sets the user object for this node to userObject.
String toString()
Returns the result of sending toString() to this node's user object, or the empty string if the node has no user object.
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