Module org.apache.wicket.core
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, 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:

  • 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 Details

    • renderHead

      void renderHead(IHeaderResponse response)
      Render to the web response whatever the component wants to contribute to the head section.
      Parameters:
      response - Response object