@Override
public void onComponentTagBody(MarkupStream markup, ComponentTag tag) {
// We assume the body of the component is raw HTML
// (i.e. not nested wicket components or wicket tags).
RawMarkup raw = (RawMarkup) markup.get();
getResponse().write(getTruncateHelper().truncate(raw.toString(), this.length));
markup.next();
}
/**
* Process next header markup fragment.
*
* @param associatedMarkupStream
* @return index or -1 when done
*/
private int nextHeaderMarkup(final MarkupStream associatedMarkupStream) {
// No associated markup => no header section
if (associatedMarkupStream == null) {
return -1;
}
// Scan the markup for <wicket:head>.
MarkupElement elem = associatedMarkupStream.get();
while (elem != null) {
if (elem instanceof WicketTag) {
WicketTag tag = (WicketTag) elem;
if (tag.isOpen() && tag.isHeadTag()) {
if (noMoreWicketHeadTagsAllowed == true) {
throw new MarkupException(
"<wicket:head> tags are only allowed before <body>, </head>, <wicket:panel> etc. tag");
}
return associatedMarkupStream.getCurrentIndex();
}
// wicket:head must be before border, panel or extend
// @TODO why is that? Why can't it be anywhere? (except inside wicket:fragment)
else if (tag.isOpen() && (tag.isPanelTag() || tag.isBorderTag() || tag.isExtendTag())) {
noMoreWicketHeadTagsAllowed = true;
}
} else if (elem instanceof ComponentTag) {
ComponentTag tag = (ComponentTag) elem;
// wicket:head must be before </head>
// @TODO why??
if (tag.isClose() && TagUtils.isHeadTag(tag)) {
noMoreWicketHeadTagsAllowed = true;
}
// wicket:head must be before <body>
// @TODO why??
else if (tag.isOpen() && TagUtils.isBodyTag(tag)) {
noMoreWicketHeadTagsAllowed = true;
}
}
elem = associatedMarkupStream.next();
}
// No (more) wicket:head found
return -1;
}