Module org.apache.wicket.core

Package org.apache.wicket.markup.renderStrategy

Class DeepChildFirstVisitor

java.lang.Object

org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor

All Implemented Interfaces:

IVisitor<Component,Void>

public abstract class DeepChildFirstVisitor
extends Object
implements IVisitor<Component,Void>

Author:

Juergen Donnerstag

Constructor Summary

Constructors

Constructor	Description
DeepChildFirstVisitor()	Construct.

Method Summary

Modifier and Type	Method	Description
abstract void	component(Component component, IVisit<Void> visit)	Called at each object in a visit.
abstract boolean	preCheck(Component component)	In order to find the deepest component, we traverse downwards starting from the root (e.g.
final Visit<Void>	visit(Component rootComponent)	Render the child hierarchy headers.
final Visit<Void>	visit(Component rootComponent, Visit<Void> visit)	Render the child hierarchy headers.

Methods inherited from class java.lang.Object

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

Constructor Details

DeepChildFirstVisitor

public DeepChildFirstVisitor()

Construct.

Method Details

visit

public final Visit<Void> visit(Component rootComponent)

Render the child hierarchy headers.

Parameters:

rootComponent -

Returns:

The object return by component()

visit

public final Visit<Void> visit(Component rootComponent,
 Visit<Void> visit)

Render the child hierarchy headers.

Parameters:

rootComponent -

visit -

Returns:

The object return by component()

component

public abstract void component(Component component,
 IVisit<Void> visit)

Description copied from interface: IVisitor

Called at each object in a visit.

Specified by:

component in interface IVisitor<Component,Void>

Parameters:

component - Object being visited

visit - Object used to control the visit/traversal

preCheck

public abstract boolean preCheck(Component component)

In order to find the deepest component, we traverse downwards starting from the root (e.g. Page). However, once a component is not disabled (preCheck() returns false), iteration will stop and traversal continues with the sibling.

Parameters:

component - The component to be tested

Returns:

True, if component is enabled