Package org.apache.wicket.behavior

Class AbstractAjaxBehavior

java.lang.Object

org.apache.wicket.behavior.Behavior

org.apache.wicket.behavior.AbstractAjaxBehavior

All Implemented Interfaces:

Serializable, IComponentAwareEventSink, IRequestListener, IComponentAwareHeaderContributor, IClusterable

Direct Known Subclasses:

AbstractDefaultAjaxBehavior

public abstract class AbstractAjaxBehavior
extends Behavior
implements IRequestListener

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

Constructor Summary

Constructors

Constructor	Description
AbstractAjaxBehavior()	Constructor.

Method Summary

Modifier and Type	Method	Description
final void	afterRender(Component hostComponent)	Called when a component that has this behavior coupled was rendered.
final void	bind(Component hostComponent)	Bind this handler to the given component.
CharSequence	getCallbackUrl()	Gets the url that references this handler.
protected final Component	getComponent()	Gets the component that this handler is bound to.
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.
final 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.
protected void	onUnbind()	Called when the behavior is removed from its component.
final void	unbind(Component component)	Notifies the behavior it is removed from the specified component

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

beforeRender, canCallListener, detach, getStatelessHint, isEnabled, isTemporary, onAttribute, onConfigure, onEvent, onException, onRemove, onTag, renderHead

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.IRequestListener

onRequest, rendersPage

Constructor Details

AbstractAjaxBehavior

public AbstractAjaxBehavior()

Constructor.

Method Details

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 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

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

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

unbind

public final void unbind(Component component)

Description copied from class: Behavior

Notifies the behavior it is removed from the specified component

Overrides:

unbind in class Behavior

Parameters:

component - the component this behavior is unbound from

onUnbind

protected void onUnbind()

Called when the behavior is removed from its component. The bound host component is still available through getComponent(). The relation to it will be removed right after the finish of the execution of this method.