org.apache.wicket.markup.html
Interface IHeaderContributor

All Superinterfaces:

IClusterable, Serializable

All Known Implementing Classes:

AbstractAjaxBehavior, AbstractAjaxTimerBehavior, AbstractBehavior, AbstractChoice, AbstractDefaultAjaxBehavior, AbstractFormValidator, AbstractItem, AbstractLink, AbstractOutputTransformerContainer, AbstractPageableView, AbstractRepeater, AbstractSingleSelectChoice, AbstractSubmitLink, AbstractTextComponent, AbstractTransformerBehavior, AbstractTree, AbstractValidator, AccessDeniedPage, AjaxButton, AjaxCheckBox, AjaxEventBehavior, AjaxFallbackButton, AjaxFallbackLink, AjaxFormChoiceComponentUpdatingBehavior, AjaxFormComponentUpdatingBehavior, AjaxFormSubmitBehavior, AjaxFormValidatingBehavior, AjaxLink, AjaxPagingNavigation, AjaxPagingNavigationBehavior, AjaxPagingNavigationIncrementLink, AjaxPagingNavigationLink, AjaxPagingNavigator, AjaxSelfUpdatingTimerBehavior, AjaxSubmitLink, AttributeAppender, AttributeModifier, AutoLinkResolver.AutolinkBookmarkablePageLink, BaseTree, Behavior, BookmarkablePageLink, Border, Border.BorderBodyContainer, BoxBorder, BrowserInfoForm, BrowserInfoPage, Button, Check, CheckBox, CheckBoxMultipleChoice, CheckGroup, CheckGroupSelector, ClientSideImageMap, Component, ComponentFeedbackPanel, CompoundValidator, ContextImage, ContextPathGenerator, CreditCardValidator, DataView, DataViewBase, DateValidator, DownloadLink, DropDownChoice, DummyHomePage, DummyHomePage.TestLink, DummyPanelPage, EmailAddressValidator, EmailTextField, EmptyPanel, Enclosure, EnclosureContainer, EnumLabel, EqualInputValidator, EqualPasswordInputValidator, ExceptionErrorPage, ExternalLink, FeedbackPanel, FileUploadField, Form, FormComponent, FormComponentFeedbackBorder, FormComponentFeedbackIndicator, FormComponentLabel, FormComponentPanel, FormValidatorAdapter, Fragment, GridView, HeaderPartContainer, HeaderResponseFilteredResponseContainer, HiddenField, HtmlHeaderContainer, Image, ImageButton, Include, InlineEnclosure, InlineFrame, InternalErrorPage, Item, Label, LabeledWebMarkupContainer, LabelIconPanel, LabelTree, Link, LinkIconPanel, LinkTree, ListChoice, ListItem, ListMultipleChoice, ListView, Loop, LoopItem, MarkupComponentBorder, MarkupContainer, MaximumValidator, MinimumValidator, MockHomePage, MultiFileUploadField, MultiLineLabel, NonCachingImage, NoopOutputTransformerContainer, NumberTextField, OddEvenItem, OddEvenListItem, OnChangeAjaxBehavior, Page, PageableListView, PageExpiredErrorPage, PageView, PagingNavigation, PagingNavigationIncrementLink, PagingNavigationLink, PagingNavigator, Panel, PasswordTextField, PatternValidator, PopupCloseLink, PopupCloseLink.ClosePopupPage, PropertyListView, Radio, RadioChoice, RadioGroup, RangeTextField, RangeValidator, RedirectPage, RefreshingView, RepeatingView, RequiredTextField, ResourceLink, SimpleAttributeModifier, SimpleFormComponentLabel, StatelessForm, StatelessLink, StringValidator, StringValidator.ExactLengthValidator, StringValidator.LengthBetweenValidator, StringValidator.MaximumLengthValidator, StringValidator.MinimumLengthValidator, SubmitLink, TextArea, TextField, TransparentWebMarkupContainer, UrlTextField, UrlValidator, ValidatorAdapter, WebComponent, WebMarkupContainer, WebPage, WicketMessageTagHandler.AttributeLocalizer, XsltOutputTransformerContainer, XsltTransformerBehavior

public interface IHeaderContributor
extends IClusterable

An interface to be implemented by components or behaviors that wish to contribute to the header section of the page. Example:

 class MyPanel extends Panel implements IHeaderContributor
 {
        public MyPanel(String id)
        {
                super(id);
        }
 
        public void renderHead(Component component, IHeaderResponse response)
        {
                response.renderOnLoadJavaScript("alert('page loaded!');");
        }
 }
 

Author:

Juergen Donnerstag, Matej Knopp

Method Summary

void	renderHead(Component component, IHeaderResponse response) Render to the web response whatever the component wants to contribute to the head section.

Method Detail

renderHead

void renderHead(Component component,
                IHeaderResponse response)

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

Parameters:

component - component which is contributing to the response. This parameter is here to give the component as the context for behaviors implementing this interface, when invoked on a component instance the parameter is simply this.

response - Response object