Package org.apache.wicket.markup.html

Interface IHeaderContributor

All Superinterfaces:

IClusterable, Serializable

All Known Implementing Classes:

AbstractCheckSelector, AbstractChoice, AbstractDataGridView, AbstractErrorPage, AbstractFilter, AbstractItem, AbstractLink, AbstractOptions, AbstractOutputTransformerContainer, AbstractPageableView, AbstractRepeater, AbstractSingleSelectChoice, AbstractSubmitLink, AbstractTextComponent, AbstractToolbar, AbstractTree, AccessDeniedPage, AjaxButton, AjaxCheckBox, AjaxEditableChoiceLabel, AjaxEditableLabel, AjaxEditableMultiLineLabel, AjaxFallbackButton, AjaxFallbackDefaultDataTable, AjaxFallbackHeadersToolbar, AjaxFallbackLink, AjaxFallbackOrderByBorder, AjaxLazyLoadPanel, AjaxLink, AjaxListPanel, AjaxNavigationToolbar, AjaxOrderByLink, AjaxPagingNavigation, AjaxPagingNavigationIncrementLink, AjaxPagingNavigationLink, AjaxPagingNavigator, AjaxSubmitLink, AjaxTabbedPanel, AjaxWizardButtonBar, ApplicationView, Audio, AutoCompleteTextField, AutoLabelResolver.AutoLabel, AutoLinkResolver.AutolinkBookmarkablePageLink, BaseWicketTester.StartComponentInPage, Body, BookmarkablePageLink, Border, Border.BorderBodyContainer, BorderPanel, BranchItem, BreadCrumbBar, BreadCrumbBar.BreadCrumbsListView, BreadCrumbLink, BreadCrumbPanel, BreadCrumbPanelLink, BrowserInfoForm, BrowserInfoPage, Button, CancelButton, Check, CheckBox, CheckBoxMultipleChoice, CheckboxMultipleChoiceSelector, CheckBoxSelector, CheckedFolder, CheckFolder, CheckGroup, CheckGroupSelector, ChoiceFilter, Choices, ClientSideImageMap, ColGroup, ColGroup.Col, Component, ComponentFeedbackPanel, ContextImage, DataGridView, DataTable, DataTable.Caption, DataView, DataViewBase, DateTextField, DebugBar, DefaultCssAutoCompleteTextField, DefaultDataTable, DefaultNestedTree, DefaultTableTree, DevUtilsPage, DevUtilsPanel, DownloadLink, DropDownChoice, DummyHomePage, DummyHomePage.TestLink, DummyPanelPage, DynamicWizardStep, EmailTextField, EmptyPanel, Enclosure, EnclosureContainer, EnhancedPageView, EnumLabel, ExceptionErrorPage, ExportToolbar, ExternalImage, ExternalLink, ExternalSource, FeedbackPanel, FencedFeedbackPanel, FileUploadField, FilterForm, FilterToolbar, FinishButton, Folder, Form, FormComponent, FormComponentFeedbackBorder, FormComponentFeedbackIndicator, FormComponentLabel, FormComponentPanel, Fragment, GenericPanel, GenericWebMarkupContainer, GenericWebPage, GoAndClearFilter, GoFilter, GridView, GroupedDropDownChoice, HeaderContributorListenerCollection, HeaderPartContainer, HeaderResponseContainer, HeadersToolbar, HiddenField, HtmlHeaderContainer, HtmlHeaderItemsContainer, Image, ImageButton, Include, IndicatingAjaxButton, IndicatingAjaxFallbackLink, IndicatingAjaxLink, InlineEnclosure, InlineFrame, InlineImage, InspectorDebugPanel, InspectorPage, InternalErrorPage, Item, KittenCaptchaPanel, Label, LabeledWebMarkupContainer, LastButton, Link, ListChoice, ListItem, ListMultipleChoice, ListView, LiveSessionsPage, LocalDateTextField, LocalDateTimeField, LocalDateTimeTextField, LocalTimeTextField, Loop, LoopItem, MarkupContainer, MediaComponent, MockHomePage, ModalDialog, ModalWindow, MultiFileUploadField, MultiLineLabel, NavigationToolbar, NavigatorLabel, NestedTree, NextButton, Node, NoFilter, NonCachingImage, NoopOutputTransformerContainer, NoRecordsToolbar, NumberTextField, OddEvenItem, OddEvenListItem, OrderByBorder, OrderByLink, Page, PageableListView, PageExpiredErrorPage, PageStoreDebugPanel, PageStorePage, PageView, PagingNavigation, PagingNavigationIncrementLink, PagingNavigationLink, PagingNavigator, Palette, Panel, PasswordTextField, PersistedPanel, Picture, PopupCloseLink, PopupCloseLink.ClosePopupPage, PreviousButton, PropertyListView, Radio, RadioChoice, RadioGroup, RangeTextField, RatingPanel, Recorder, RedirectPage, RefreshingView, RepeatingView, RequestsPage, RequiredTextField, ResourceLink, Select, Selection, SelectOption, SelectOptions, SessionSizeDebugPanel, SessionView, SignInPage, SignInPanel, SignInPanel.SignInForm, SignOutPage, SimpleFormComponentLabel, SmartLinkLabel, SmartLinkMultiLineLabel, Source, Source, StandardDebugPanel, StatelessForm, StatelessLink, StaticContentStep, StyledLinkLabel, SubmitLink, Subtree, TabbedPanel, TableTree, TextArea, TextField, TextFilter, TimeField, Track, TransparentWebMarkupContainer, UploadProgressBar, UrlTextField, Video, WebComponent, WebMarkupContainer, WebPage, Wizard, WizardButton, WizardButtonBar, WizardStep, XsltOutputTransformerContainer, ZonedDateTimeField

public interface IHeaderContributor
extends IClusterable

An interface to be implemented by application level listeners or other entities that wish to contribute to the header section of the page. Class Component already implements it.
Example:

 class MyPanel extends Panel
 {
        public MyPanel(String id)
        {
                super(id);
        }
 
        public void renderHead(IHeaderResponse response)
        {
                response.render(JavaScriptHeaderItem.forScript("alert('page loaded!');"));
        }
 }
 

Author:

Juergen Donnerstag, Matej Knopp

See Also:

IHeaderResponse, HeaderItem, Application.getHeaderContributorListeners()

Method Summary

Modifier and Type	Method	Description
void	renderHead(IHeaderResponse response)	Render to the web response whatever the component wants to contribute to the head section.

Method Detail

renderHead

void renderHead(IHeaderResponse response)

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

Parameters:

response - Response object