/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren(Object element) {
if (element instanceof ClassGroupElement) {
ClassGroupElement classGroup = (ClassGroupElement) element;
return classGroup.hasChildren();
} else {
return getChildren(element).length > 0;
}
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object parentElement) {
List<? extends Object> result = Collections.emptyList();
if (parentElement instanceof JSElement) {
JSElement root = (JSElement) parentElement;
// @formatter:off
result =
CollectionsUtil.newList(
new ClassGroupElement(
Messages.JSIndexViewContentProvider_WorkspaceGroupLabel,
JSIndexQueryHelper.getJSCoreIndex()),
new ClassGroupElement(
Messages.JSIndexViewContentProvider_ProjectGroupLabel, root.getIndex()));
// @formatter:on
} else if (parentElement instanceof ClassGroupElement) {
ClassGroupElement group = (ClassGroupElement) parentElement;
result = group.getClasses();
} else if (parentElement instanceof ClassElement) {
TypeElement type = (ClassElement) parentElement;
// NOTE: have to do this "temp" acrobatics to make the compiler happy, due to use of generics
// and differing
// return types when grabbing properties vs events
List<Object> temp = new ArrayList<Object>();
temp.addAll(type.getProperties());
temp.addAll(type.getEvents());
result = temp;
} else if (parentElement instanceof EventElement) {
EventElement event = (EventElement) parentElement;
result = event.getProperties();
}
return result.toArray(new Object[result.size()]);
}