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java.lang.Objectorg.apache.wicket.Component
org.apache.wicket.MarkupContainer
org.apache.wicket.markup.html.WebMarkupContainer
org.apache.wicket.markup.html.TransparentWebMarkupContainer
org.apache.wicket.markup.html.internal.HtmlHeaderContainer
public class HtmlHeaderContainer
The HtmlHeaderContainer is automatically created and added to the component hierarchy by a HtmlHeaderResolver instance. HtmlHeaderContainer tries to handle/render the <head> tag and its body. However depending on the parent component, the behavior must be different. E.g. if parent component is a Page all components of the page's hierarchy must be asked if they have something to contribute to the <head> section of the html response. If yes, it must immediately be rendered.
<head> regions may contain additional wicket components, which can be added by means of add(Component) as usual.
<wicket:head> tags are handled by simple WebMarkupContainers also created by a HtmlHeaderResolver.
| Field Summary |
|---|
| Fields inherited from class org.apache.wicket.Component |
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ENABLE, FLAG_INITIALIZED, FLAG_REMOVING_FROM_HIERARCHY, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED8, PARENT_PATH, PATH_SEPARATOR, RENDER |
| Constructor Summary | |
|---|---|
HtmlHeaderContainer(String id)
Construct |
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| Method Summary | |
|---|---|
IHeaderResponse |
getHeaderResponse()
Returns the header response. |
IMarkupFragment |
getMarkup()
Get the Markup associated with the Component. |
protected IHeaderResponse |
newHeaderResponse()
Factory method for creating header response |
boolean |
okToRenderComponent(String scope,
String id)
Check if the header component is ok to render within the scope given. |
void |
onComponentTagBody(MarkupStream markupStream,
ComponentTag openTag)
First render the body of the component. |
protected void |
onDetach()
Called to allow a component to detach resources after use. |
protected boolean |
renderOpenAndCloseTags()
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| Methods inherited from class org.apache.wicket.markup.html.TransparentWebMarkupContainer |
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resolve |
| Methods inherited from class org.apache.wicket.markup.html.WebMarkupContainer |
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getWebPage, getWebRequest |
| Methods inherited from class org.apache.wicket.MarkupContainer |
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add, addOrReplace, autoAdd, contains, get, get, getAssociatedMarkup, getAssociatedMarkupStream, getMarkup, getMarkupType, hasAssociatedMarkup, internalAdd, internalInitialize, iterator, iterator, onAfterRenderChildren, onMarkupAttached, onRender, remove, remove, removeAll, renderAll, renderAssociatedMarkup, renderNext, replace, setDefaultModel, size, swap, toString, toString, visitChildren, visitChildren, visitChildren, visitChildren |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public HtmlHeaderContainer(String id)
Component.Component(String)| Method Detail |
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public final void onComponentTagBody(MarkupStream markupStream,
ComponentTag openTag)
onComponentTagBody in class MarkupContainermarkupStream - The markup streamopenTag - The open tag for the bodyprotected boolean renderOpenAndCloseTags()
public boolean okToRenderComponent(String scope,
String id)
scope - The scope of the header componentid - The component's id
protected void onDetach()
Component
onDetach in class Componentprotected IHeaderResponse newHeaderResponse()
public IHeaderResponse getHeaderResponse()
public IMarkupFragment getMarkup()
Component<span wicket:id="myPanel">body</span>. You may use
Panel/Border/Enclosure.getMarkup(null) to return the associated markup file. And
Panel/Border/Enclosure.getMarkup(child) will search the child in the appropriate markup
fragment.
getMarkup in class ComponentMarkupContainer.getMarkup(Component)
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