public void extend(TemplateDocument doc, FragmentList f, boolean normalize)
throws BehaviorInstantiationException {
ParentNode extended;
if (extendedTag == null) {
extended = extendedDocument;
} else {
extended = extendedTag;
}
ArrayList<TemplateNode> children = doc.getChildren();
for (TemplateNode node : children) {
if (node instanceof Tag) {
Tag tag = (Tag) node;
Tag overriden = null;
Attribute overrides =
tag.getDynamicAttribute(
new DynamicAttributeKey(Cambridge.DefaultNamespaceURI, "a", "overrides"));
if (overrides != null) {
overriden = extendedDocument.locateTag(overrides.getValue());
} else {
Attribute id = tag.getAttribute("id");
if (id == null && tag.isDynamic()) {
id = tag.getAttribute(tag.getNameSpace(), "id");
}
if (id != null) {
overriden = extended.getElementById(id.getValue());
}
}
if (overriden != null) {
overriden.getParent().replaceChild((TemplateNode) overriden, (TemplateNode) tag);
}
} else if (node instanceof SetDirective) {
int index = 0;
if (extended == extendedDocument
&& extendedDocument.getChildren().size() > 0
&& extendedDocument.getChildren().get(0) instanceof ExtendsDirective) {
index = 1;
}
extended.insertChild(index, node);
}
}
if (extendedDocument.getChildren().size() > 0
&& extendedDocument.getChildren().get(0) instanceof ExtendsDirective) {
((ExtendsDirective) extendedDocument.getChildren().get(0)).extend(extendedDocument, f, false);
}
if (normalize) {
if (extendedTag != null) {
extendedTag.normalize(extendedDocument, f);
} else {
f.addAll(extendedDocument.normalize());
}
}
}
public ExtendsDirective(
TemplateLoader templateLoader,
String fileName,
String selector,
ExpressionLanguage expressionLanguage)
throws TemplateLoadingException, BehaviorInstantiationException {
extendedDocument = templateLoader.parseTemplate(fileName, expressionLanguage);
if (selector != null) {
extendedTag = extendedDocument.locateTag(selector);
}
}