private boolean isJavascriptTag(HTMLSpecialNode item) {
if (item == null) {
return false;
}
if (!item.getName().equalsIgnoreCase("script")) // $NON-NLS-1$
{
return false;
}
String type = item.getAttributeValue("type"); // $NON-NLS-1$
if (type != null && !HTMLParser.isJavaScript(item)) {
return false;
}
return true;
}
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof HTMLOutlineItem) {
// delegates to the parse node it references to
return getChildren(((HTMLOutlineItem) parentElement).getReferenceNode());
}
// Handle expansion of link tags pointing to stylesheets
if (parentElement instanceof HTMLElementNode) {
HTMLElementNode item = (HTMLElementNode) parentElement;
if (isStylesheetLinkTag(item)) {
String attribute = getExternalCSSReference(item);
if (attribute != null && attribute.length() > 0) {
return getExternalChildren(item, attribute, ICSSConstants.CONTENT_TYPE_CSS);
}
} else {
IParseNode[] styleNodes = item.getCSSStyleNodes();
IParseNode[] jsAttrNodes = item.getJSAttributeNodes();
if (styleNodes.length > 0 || jsAttrNodes.length > 0) {
List<IParseNode> children = new ArrayList<IParseNode>();
children.addAll(Arrays.asList(styleNodes));
children.addAll(Arrays.asList(jsAttrNodes));
children.addAll(Arrays.asList(item.getChildren()));
return filter(children.toArray(new IParseNode[children.size()]));
}
}
}
// Handle embedded languages (JS and CSS)
if (parentElement instanceof HTMLSpecialNode) {
// HTMLSpecialNode always has the root node of the nested language as its child; we want to
// skip that and
// get the content below
HTMLSpecialNode item = (HTMLSpecialNode) parentElement;
// Special case of external JS file
String attribute = getExternalJSReference(item);
if (attribute != null && attribute.length() > 0) {
return getExternalChildren(item, attribute, IJSConstants.CONTENT_TYPE_JS);
}
return getChildren(item.getChild(0));
}
return super.getChildren(parentElement);
}
private String getExternalJSReference(HTMLSpecialNode item) {
if (!isJavascriptTag(item)) {
return null;
}
return item.getAttributeValue("src"); // $NON-NLS-1$
}