@Override
protected void onDetach() {
super.onDetach();
renderedComponentsPerScope = null;
headerResponse = null;
}
/**
* Renders the content of the <head> section of the page, including <wicket:head>
* sections in subclasses of the page. For every child-component, the content is rendered to a
* string and passed to {@link IHeaderResponse}.
*
* @param headerStreamState
*/
public void renderHeaderTagBody(HeaderStreamState headerStreamState) {
if (headerStreamState == null) return;
final Response oldResponse = getRequestCycle().getResponse();
try {
// Create a separate (string) response for the header container itself
final StringResponse bodyResponse = new StringResponse();
getRequestCycle().setResponse(bodyResponse);
// render the header section directly associated with the markup
super.onComponentTagBody(headerStreamState.getMarkupStream(), headerStreamState.getOpenTag());
CharSequence bodyOutput = getCleanResponse(bodyResponse);
if (bodyOutput.length() > 0) {
getHeaderResponse().render(StringHeaderItem.forString(bodyOutput));
}
} finally {
getRequestCycle().setResponse(oldResponse);
}
}