org.apache.wicket.behavior
Class AbstractAjaxBehavior

java.lang.Object
  org.apache.wicket.behavior.Behavior
      org.apache.wicket.behavior.AbstractAjaxBehavior

All Implemented Interfaces:

java.io.Serializable, IBehaviorListener, IClusterable, IComponentAwareEventSink, IRequestListener, IComponentAwareHeaderContributor

Direct Known Subclasses:

AbstractDefaultAjaxBehavior

public abstract class AbstractAjaxBehavior
extends Behavior
implements IBehaviorListener

Abstract class for handling Ajax roundtrips. This class serves as a base for javascript specific implementations, like ones based on Dojo or Scriptaculous, or Wicket's default.

Author:

Eelco Hillenius, Ralf Ebert, Igor Vaynberg

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.wicket.behavior.IBehaviorListener

INTERFACE

Constructor Summary

AbstractAjaxBehavior()
Construct.

Method Summary

void	afterRender(Component hostComponent) Called when a component that has this behavior coupled was rendered.
void	bind(Component hostComponent) Bind this handler to the given component.
java.lang.CharSequence	getCallbackUrl() Gets the url that references this handler.
protected Component	getComponent() Gets the component that this handler is bound to.
boolean	getStatelessHint(Component component) This method returns false if the behavior generates a callback url (for example ajax behaviors)
protected void	onBind() Called when the component was bound to it's host component.
protected void	onComponentRendered() Called to indicate that the component that has this handler registered has been rendered.
void	onComponentTag(Component component, ComponentTag tag) Called any time a component that has this behavior registered is rendering the component tag.
protected void	onComponentTag(ComponentTag tag) Called any time a component that has this handler registered is rendering the component tag.

Methods inherited from class org.apache.wicket.behavior.Behavior

beforeRender, canCallListenerInterface, detach, isEnabled, isTemporary, onConfigure, onEvent, onException, renderHead, unbind

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.behavior.IBehaviorListener

onRequest

Constructor Detail

AbstractAjaxBehavior

public AbstractAjaxBehavior()

Construct.

Method Detail

bind

public final void bind(Component hostComponent)

Bind this handler to the given component.

Overrides:

bind in class Behavior

Parameters:

hostComponent - the component to bind to

getCallbackUrl

public java.lang.CharSequence getCallbackUrl()

Gets the url that references this handler.

Returns:

the url that references this handler

onComponentTag

public final void onComponentTag(Component component,
                                 ComponentTag tag)

Description copied from class: Behavior

Called any time a component that has this behavior registered is rendering the component tag.

Overrides:

onComponentTag in class Behavior

Parameters:

component - the component that renders this tag currently

tag - the tag that is rendered

See Also:

Behavior.onComponentTag(org.apache.wicket.Component, org.apache.wicket.markup.ComponentTag)

afterRender

public final void afterRender(Component hostComponent)

Description copied from class: Behavior

Called when a component that has this behavior coupled was rendered.

Overrides:

afterRender in class Behavior

Parameters:

hostComponent - the component that has this behavior coupled

See Also:

Behavior.afterRender(org.apache.wicket.Component)

getComponent

protected final Component getComponent()

Gets the component that this handler is bound to.

Returns:

the component that this handler is bound to

onComponentTag

protected void onComponentTag(ComponentTag tag)

Called any time a component that has this handler registered is rendering the component tag. Use this method e.g. to bind to javascript event handlers of the tag

Parameters:

tag - the tag that is rendered

onBind

protected void onBind()

Called when the component was bound to it's host component. You can get the bound host component by calling getComponent.

onComponentRendered

protected void onComponentRendered()

Called to indicate that the component that has this handler registered has been rendered. Use this method to do any cleaning up of temporary state

getStatelessHint

public boolean getStatelessHint(Component component)

Description copied from class: Behavior

This method returns false if the behavior generates a callback url (for example ajax behaviors)

Overrides:

getStatelessHint in class Behavior

Parameters:

component - the component that has this behavior coupled.

Returns:

boolean true or false.

See Also:

Behavior.getStatelessHint(Component)