org.apache.wicket.ajax.form
Class AjaxFormChoiceComponentUpdatingBehavior

java.lang.Object
  org.apache.wicket.behavior.Behavior
      org.apache.wicket.behavior.AbstractAjaxBehavior
          org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
              org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior

All Implemented Interfaces:

Serializable, IBehaviorListener, IComponentAwareEventSink, IRequestListener, IComponentAwareHeaderContributor, IClusterable

public abstract class AjaxFormChoiceComponentUpdatingBehavior
extends AbstractDefaultAjaxBehavior

This is a Ajax Component Update Behavior that is meant for choices/groups that are not one component in the html but many.

Use the normal AjaxFormComponentUpdatingBehavior for the normal single component fields

In order to be supported by this behavior the group components must output children with markup id in format of 'groupId-childId'

Author:

jcompagner

See Also:

RadioChoice, CheckBoxMultipleChoice, RadioGroup, CheckGroup, Serialized Form

Field Summary

Fields inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

INDICATOR

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

INTERFACE

Constructor Summary

AjaxFormChoiceComponentUpdatingBehavior()

Method Summary

protected FormComponent<?>	getFormComponent()
protected void	onBind() Subclasses should call super.onBind()
protected void	onError(AjaxRequestTarget target, RuntimeException e) Called to handle any error resulting from updating form component.
protected abstract void	onUpdate(AjaxRequestTarget target) Listener invoked on the ajax request.
void	renderHead(Component component, IHeaderResponse response) Render to the web response whatever the component wants to contribute to the head section.
protected void	respond(AjaxRequestTarget target)
protected void	updateAjaxAttributes(AjaxRequestAttributes attributes) Gives a chance to the specializations to modify the attributes.

Methods inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior

findIndicatorId, getAttributes, getCallbackFunction, getCallbackFunctionBody, getCallbackScript, getCallbackScript, getChannel, getFailureScript, getPreconditionScript, getSuccessScript, onRequest, postprocessConfiguration, renderAjaxAttributes, renderAjaxAttributes

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

afterRender, bind, getCallbackUrl, getComponent, onComponentRendered, onComponentTag, onComponentTag

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

AjaxFormChoiceComponentUpdatingBehavior

public AjaxFormChoiceComponentUpdatingBehavior()

Method Detail

renderHead

public void renderHead(Component component,
                       IHeaderResponse response)

Description copied from class: Behavior

Render to the web response whatever the component wants to contribute to the head section.

Specified by:

renderHead in interface IComponentAwareHeaderContributor

Overrides:

renderHead in class AbstractDefaultAjaxBehavior

Parameters:

component - component which is contributing to the response. This parameter is here to give the component as the context for component-awares implementing this interface

response - Response object

See Also:

Behavior.renderHead(Component, org.apache.wicket.markup.head.IHeaderResponse)

updateAjaxAttributes

protected void updateAjaxAttributes(AjaxRequestAttributes attributes)

Description copied from class: AbstractDefaultAjaxBehavior

Gives a chance to the specializations to modify the attributes.

Overrides:

updateAjaxAttributes in class AbstractDefaultAjaxBehavior

onUpdate

protected abstract void onUpdate(AjaxRequestTarget target)

Listener invoked on the ajax request. This listener is invoked after the component's model has been updated.

Parameters:

target - the current request handler

onError

protected void onError(AjaxRequestTarget target,
                       RuntimeException e)

Called to handle any error resulting from updating form component. Errors thrown from onUpdate(org.apache.wicket.ajax.AjaxRequestTarget) will not be caught here. The RuntimeException will be null if it was just a validation or conversion error of the FormComponent

Parameters:

target - the current request handler

e - the error that occurred while updating the component

onBind

protected void onBind()

Description copied from class: AbstractDefaultAjaxBehavior

Subclasses should call super.onBind()

Overrides:

onBind in class AbstractDefaultAjaxBehavior

See Also:

AbstractAjaxBehavior.onBind()

getFormComponent

protected final FormComponent<?> getFormComponent()

Returns:

FormComponent

respond

protected final void respond(AjaxRequestTarget target)

Specified by:

respond in class AbstractDefaultAjaxBehavior

Parameters:

target - The AJAX target

See Also:

AbstractDefaultAjaxBehavior.respond(org.apache.wicket.ajax.AjaxRequestTarget)