/**
* Search the child's markup in the header section of the markup
*
* @param container
* @param child
* @return Null, if not found
*/
public IMarkupFragment findMarkupInAssociatedFileHeader(
final MarkupContainer container, final Component child) {
// Get the associated markup
IMarkupFragment markup = container.getAssociatedMarkup();
IMarkupFragment childMarkup = null;
// MarkupStream is good at searching markup
MarkupStream stream = new MarkupStream(markup);
while (stream.skipUntil(ComponentTag.class) && (childMarkup == null)) {
ComponentTag tag = stream.getTag();
if (TagUtils.isWicketHeadTag(tag)) {
if (tag.getMarkupClass() == null) {
// find() can still fail an return null => continue the search
childMarkup = stream.getMarkupFragment().find(child.getId());
}
} else if (TagUtils.isHeadTag(tag)) {
// find() can still fail an return null => continue the search
childMarkup = stream.getMarkupFragment().find(child.getId());
}
// Must be a direct child. We are not interested in grand children
if (tag.isOpen() && !tag.hasNoCloseTag()) {
stream.skipToMatchingCloseTag(tag);
}
stream.next();
}
return childMarkup;
}
/**
* @param container
* @param markupStream
* @return The header id
*/
private String getHeaderId(final Component container, final MarkupStream markupStream) {
Class<?> markupClass = markupStream.getTag().getMarkupClass();
if (markupClass == null) {
markupClass = markupStream.getContainerClass();
}
// create a unique id for the HtmlHeaderContainer
StringBuilder builder = new StringBuilder(100);
builder.append('_');
builder.append(Classes.simpleName(markupClass));
if (container.getVariation() != null) {
builder.append(container.getVariation());
}
builder.append("Header");
builder.append(markupStream.getCurrentIndex());
return builder.toString();
}
/**
* Resolves the child component which is the controller of this Enclosure
*
* @param markupStream the markup stream of this Enclosure
* @param enclosureParent the non-auto parent component of this Enclosure
* @return The component associated with the {@linkplain #childId}
*/
private Component getChildComponent(
final MarkupStream markupStream, MarkupContainer enclosureParent) {
String fullChildId = getChildId();
Component controller = enclosureParent.get(fullChildId);
if (controller == null) {
int orgIndex = markupStream.getCurrentIndex();
try {
while (markupStream.hasMore()) {
markupStream.next();
if (markupStream.skipUntil(ComponentTag.class)) {
ComponentTag tag = markupStream.getTag();
if ((tag != null) && (tag.isOpen() || tag.isOpenClose())) {
String tagId = tag.getId();
if (fullChildId.equals(tagId)) {
ComponentTag fullComponentTag = new ComponentTag(tag);
fullComponentTag.setId(childId.toString());
controller =
ComponentResolvers.resolve(
enclosureParent,
markupStream,
fullComponentTag,
new ResolverFilter() {
@Override
public boolean ignoreResolver(final IComponentResolver resolver) {
return resolver instanceof EnclosureHandler;
}
});
break;
} else if (fullChildId.startsWith(tagId + PATH_SEPARATOR)) {
fullChildId = Strings.afterFirst(fullChildId, PATH_SEPARATOR);
}
}
}
}
} finally {
markupStream.setCurrentIndex(orgIndex);
}
}
checkChildComponent(controller);
return controller;
}
/**
* Search for <wicket:panel ...> on the same level.
*
* @param markup
* @return null, if not found
*/
private final IMarkupFragment findStartTag(final IMarkupFragment markup) {
MarkupStream stream = new MarkupStream(markup);
while (stream.skipUntil(ComponentTag.class)) {
ComponentTag tag = stream.getTag();
if (tag.isOpen() || tag.isOpenClose()) {
if (tag instanceof WicketTag) {
WicketTag wtag = (WicketTag) tag;
if (tagName.equalsIgnoreCase(wtag.getName())) {
return stream.getMarkupFragment();
}
}
stream.skipToMatchingCloseTag(tag);
}
stream.next();
}
return null;
}
@Override
public IMarkupFragment getMarkup() {
if (getParent() == null) {
throw new WicketRuntimeException(
"Bug: The Wicket internal instance of HtmlHeaderContainer is not connected to a parent");
}
// Get the page markup
IMarkupFragment markup = getPage().getMarkup();
if (markup == null) {
throw new MarkupException("Unable to get page markup: " + getPage().toString());
}
// Find the markup fragment
MarkupStream stream = new MarkupStream(markup);
IMarkupFragment headerMarkup = null;
while (stream.skipUntil(ComponentTag.class) && (headerMarkup == null)) {
ComponentTag tag = stream.getTag();
if (tag.isOpen() || tag.isOpenClose()) {
if (tag instanceof WicketTag) {
WicketTag wtag = (WicketTag) tag;
if (wtag.isHeadTag()) {
if (tag.getMarkupClass() == null) {
headerMarkup = stream.getMarkupFragment();
}
}
} else if (tag.getName().equalsIgnoreCase("head")) {
headerMarkup = stream.getMarkupFragment();
}
}
stream.next();
}
setMarkup(headerMarkup);
return headerMarkup;
}
/** {@inheritDoc} */
@Override
public ComponentTag getComponentTag(Component c) {
IMarkupFragment markup = c.getMarkup();
MarkupStream stream = new MarkupStream(markup);
return stream.getTag();
}