Package tripleplay.ui.util

Class Hierarchy

java.lang.Object

tripleplay.ui.util.Hierarchy

public class Hierarchy
extends Object

A view for the hierarchical structure of an Element.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Hierarchy.Ancestors	Iterates over the ancestors of an element.

Field Summary

Fields

Modifier and Type	Field	Description
final Element<?>	elem	The element that is the focus of this view.

Constructor Summary

Constructors

Constructor	Description
Hierarchy(Element<?> elem)	Creates a new view focused on the given element.

Method Summary

Modifier and Type	Method	Description
Iterable<Element<?>>	ancestors()	Returns an object to iterate over the ancestors of this hierarchy, including the root.
Hierarchy	apply(ElementOp<Element<?>> op)	Applies the given operation to the root of the hierarchy and to every proper descendant.
boolean	hasDescendant(Element<?> descendant)	Tests if the given element is a proper descendant contained in this hierarchy, or is the root.
static Hierarchy	of(Element<?> elem)	Create a new view of the given element.

Methods inherited from class java.lang.Object

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

Field Details

elem

public final Element<?> elem

The element that is the focus of this view.

Constructor Details

Hierarchy

public Hierarchy(Element<?> elem)

Creates a new view focused on the given element.

Method Details

of

public static Hierarchy of(Element<?> elem)

Create a new view of the given element.

hasDescendant

public boolean hasDescendant(Element<?> descendant)

Tests if the given element is a proper descendant contained in this hierarchy, or is the root.

ancestors

public Iterable<Element<?>> ancestors()

Returns an object to iterate over the ancestors of this hierarchy, including the root.

apply

public Hierarchy apply(ElementOp<Element<?>> op)

Applies the given operation to the root of the hierarchy and to every proper descendant.