org.antlr.v4.runtime.tree.gui

Class TreeLayoutAdaptor

java.lang.Object

org.antlr.v4.runtime.tree.gui.TreeLayoutAdaptor

All Implemented Interfaces:

org.abego.treelayout.TreeForTreeLayout<Tree>

public class TreeLayoutAdaptor
extends java.lang.Object
implements org.abego.treelayout.TreeForTreeLayout<Tree>

Adaptor ANTLR trees to TreeForTreeLayout.

Constructor Summary

Constructors

Constructor and Description
TreeLayoutAdaptor(Tree root)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Iterable<Tree>	getChildren(Tree node) Returns the children of a parent node.
java.lang.Iterable<Tree>	getChildrenReverse(Tree node) Returns the children of a parent node, in reverse order.
Tree	getFirstChild(Tree parentNode) Returns the first child of a parent node.
Tree	getLastChild(Tree parentNode) Returns the last child of a parent node.
Tree	getRoot() Returns the the root of the tree.
boolean	isChildOfParent(Tree node, Tree parentNode) Tells if a node is a child of a given parentNode.
boolean	isLeaf(Tree node) Tells if a node is a leaf in the tree.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TreeLayoutAdaptor

public TreeLayoutAdaptor(Tree root)

Method Detail

isLeaf

public boolean isLeaf(Tree node)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Tells if a node is a leaf in the tree.

Time Complexity: O(1)

Specified by:

isLeaf in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Returns:

true iff node is a leaf in the tree, i.e. has no children.

isChildOfParent

public boolean isChildOfParent(Tree node,
                      Tree parentNode)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Tells if a node is a child of a given parentNode.

Time Complexity: O(1)

Specified by:

isChildOfParent in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Returns:

true iff the node is a child of the given parentNode

getRoot

public Tree getRoot()

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Returns the the root of the tree.

Time Complexity: O(1)

Specified by:

getRoot in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Returns:

the root of the tree

getLastChild

public Tree getLastChild(Tree parentNode)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Returns the last child of a parent node.

Time Complexity: O(1)

Specified by:

getLastChild in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Parameters:

parentNode - [!isLeaf(parentNode)]

Returns:

the last child of the parentNode

getFirstChild

public Tree getFirstChild(Tree parentNode)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Returns the first child of a parent node.

Time Complexity: O(1)

Specified by:

getFirstChild in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Parameters:

parentNode - [!isLeaf(parentNode)]

Returns:

the first child of the parentNode

getChildrenReverse

public java.lang.Iterable<Tree> getChildrenReverse(Tree node)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Returns the children of a parent node, in reverse order.

Time Complexity: O(1)

Specified by:

getChildrenReverse in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Parameters:

node - [!isLeaf(parentNode)]

Returns:

the children of given parentNode, from last to first

getChildren

public java.lang.Iterable<Tree> getChildren(Tree node)

Description copied from interface: org.abego.treelayout.TreeForTreeLayout

Returns the children of a parent node.

Time Complexity: O(1)

Specified by:

getChildren in interface org.abego.treelayout.TreeForTreeLayout<Tree>

Parameters:

node - [!isLeaf(parentNode)]

Returns:

the children of the given parentNode, from first to last