/**
* This method is similar to enclosingPageOfClass. It differs in that it is generic and it
* inspects the sender argument as well as its parents.
*
* @param <T> The class type
* @param sender the sender component
* @param c the class
* @return sender or the first of sender's parents that is assignable from class c
*/
public static <T> T enclosingComponentOfClass(WOComponent sender, Class<T> c) {
WOComponent p = sender;
while (p != null) {
if (c.isAssignableFrom(p.getClass())) return (T) p;
p = p.parent();
}
return null;
}
/**
* Utility to return the first enclosing component that matches the given class, if there is one.
*/
public static WOComponent enclosingPageOfClass(WOComponent sender, Class c) {
WOComponent p = sender.parent();
while (p != null) {
if (c.isAssignableFrom(p.getClass())) return p;
p = p.parent();
}
return null;
}
