Module org.apache.wicket.core

Package org.apache.wicket.ajax

Interface AjaxRequestTarget

All Superinterfaces:

ILoggableRequestHandler, IPageClassRequestHandler, IPageRequestHandler, IPartialPageRequestHandler, IRequestHandler

All Known Implementing Classes:

AjaxRequestHandler

public interface AjaxRequestTarget
extends IPartialPageRequestHandler, ILoggableRequestHandler

Since:

6.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	AjaxRequestTarget.IListener	An AjaxRequestTarget listener that can be used to respond to various target-related events
static interface	AjaxRequestTarget.ITargetRespondListener	Components can implement this interface to get a notification when AjaxRequestTarget begins to respond.

Method Summary

Modifier and Type	Method	Description
void	addListener(AjaxRequestTarget.IListener listener)	Adds a listener to this target
String	getLastFocusedElementId()	Returns the HTML id of the last focused element.
Page	getPage()	Returns the page.
void	registerRespondListener(AjaxRequestTarget.ITargetRespondListener listener)	Register the given respond listener.

Methods inherited from interface org.apache.wicket.request.ILoggableRequestHandler

getLogData

Methods inherited from interface org.apache.wicket.core.request.handler.IPageClassRequestHandler

getPageClass, getPageParameters

Methods inherited from interface org.apache.wicket.core.request.handler.IPageRequestHandler

getPageId, getRenderCount, isPageInstanceCreated

Methods inherited from interface org.apache.wicket.core.request.handler.IPartialPageRequestHandler

add, add, addChildren, appendJavaScript, focusComponent, getComponents, getHeaderResponse, prependJavaScript

Methods inherited from interface org.apache.wicket.request.IRequestHandler

detach, respond

Method Details

addListener

void addListener(AjaxRequestTarget.IListener listener)

Adds a listener to this target

Parameters:

listener -

Throws:

IllegalStateException - if AjaxRequestTarget.IListener's events are currently being fired or have both been fired already

registerRespondListener

void registerRespondListener(AjaxRequestTarget.ITargetRespondListener listener)

Register the given respond listener. The listener's AjaxRequestTarget.ITargetRespondListener.onTargetRespond(org.apache.wicket.ajax.AjaxRequestTarget) method will be invoked when the AjaxRequestTarget starts to respond.

Parameters:

listener -

getLastFocusedElementId

String getLastFocusedElementId()

Returns the HTML id of the last focused element.

Returns:

markup id of last focused element, null if none

getPage

Page getPage()

Returns the page. Be aware that the page can be instantiated if this wasn't the case already.

Specified by:

getPage in interface IPageRequestHandler

Returns:

page instance