@Override
protected MarkupElement onComponentTag(final ComponentTag tag) throws ParseException {
// We only need ComponentTags
if (tag instanceof WicketTag) {
return tag;
}
// Has wicket:enclosure attribute?
String enclosureAttr = getAttribute(tag, null);
if (enclosureAttr != null) {
if (tag.isOpen()) {
// Make sure 'wicket:id' and 'id' are consistent
String htmlId = tag.getAttribute("id");
if ((tag.getId() != null) && !Strings.isEmpty(htmlId) && !htmlId.equals(tag.getId())) {
throw new ParseException(
"Make sure that 'id' and 'wicket:id' are the same if both are provided. Tag:"
+ tag.toString(),
tag.getPos());
}
// if it doesn't have a wicket-id already, then assign one now.
if (Strings.isEmpty(tag.getId())) {
if (Strings.isEmpty(htmlId)) {
String id =
getWicketNamespace() + "_" + INLINE_ENCLOSURE_ID_PREFIX + getRequestUniqueId();
tag.setId(id);
} else {
tag.setId(htmlId);
}
tag.setAutoComponentTag(true);
tag.setAutoComponentFactory(
new ComponentTag.IAutoComponentFactory() {
@Override
public Component newComponent(MarkupContainer container, ComponentTag tag) {
String attributeName = getInlineEnclosureAttributeName(null);
String childId = tag.getAttribute(attributeName);
return new InlineEnclosure(tag.getId(), childId);
}
});
tag.setModified(true);
}
// Put the enclosure on the stack. The most current one will be on top
if (enclosures == null) {
enclosures = new ArrayDeque<>();
}
enclosures.push(tag);
} else {
throw new ParseException(
"Open-close tags don't make sense for InlineEnclosure. Tag:" + tag.toString(),
tag.getPos());
}
}
// Are we within an enclosure?
else if ((enclosures != null) && (enclosures.size() > 0)) {
// In case the enclosure tag did not provide a child component id, then assign the
// first ComponentTag's id found as the controlling child to the enclosure.
if (tag.isOpen()
&& (tag.getId() != null)
&& !(tag instanceof WicketTag)
&& !tag.isAutoComponentTag()) {
Iterator<ComponentTag> componentTagIterator = enclosures.descendingIterator();
while (componentTagIterator.hasNext()) {
ComponentTag lastEnclosure = componentTagIterator.next();
String attr = getAttribute(lastEnclosure, null);
if (Strings.isEmpty(attr) == true) {
lastEnclosure.getAttributes().put(getInlineEnclosureAttributeName(null), tag.getId());
lastEnclosure.setModified(true);
}
}
} else if (tag.isClose() && tag.closes(enclosures.peek())) {
ComponentTag lastEnclosure = enclosures.pop();
String attr = getAttribute(lastEnclosure, null);
if (Strings.isEmpty(attr) == true) {
throw new ParseException(
"Did not find any child for InlineEnclosure. Tag:" + lastEnclosure.toString(),
tag.getPos());
}
}
}
return tag;
}
