fixed getParentElement behaviour

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/KernelModelElementUtils.java

@@ -38,7 +38,7 @@ import org.fortiss.tooling.kernel.service.IPersistencyService;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: AF4108116CA2222CFBF5FD1A83E6C48E
+ * @ConQAT.Rating YELLOW Hash: BC56E7A75A6B5ECC3B37218EEA28B9C2
  */
 public final class KernelModelElementUtils {
 
@@ -109,7 +109,10 @@ public final class KernelModelElementUtils {
 	 *            the class of the parent that is returned.
 	 * @return instance of class <code>targetClass</code> or <code>null</code> if no such parent
 	 *         element was found.
+	 * 
+	 * @deprecated use {@link #getParentElement(EObject, Class, boolean)} instead
 	 */
+	@Deprecated
 	@SuppressWarnings("unchecked")
 	public static <T extends EObject> T getParentElement(EObject element, Class<T> targetClass) {
 		EObject currentParent = element;
@@ -119,6 +122,33 @@ public final class KernelModelElementUtils {
 		return (T)currentParent;
 	}
 
+	/**
+	 * Returns the parent of an element with a certain type.
+	 * 
+	 * @param element
+	 *            a model element.
+	 * @param targetClass
+	 *            the class of the parent that is returned.
+	 * @param isReflexive
+	 *            boolean indicating if a parent can be a parent to itself
+	 * @return instance of class <code>targetClass</code> or <code>null</code> if no such parent
+	 *         element was found.
+	 */
+	@SuppressWarnings("unchecked")
+	public static <T extends EObject> T getParentElement(EObject element, Class<T> targetClass,
+			boolean isReflexive) {
+		EObject currentParent;
+		if(isReflexive)
+			currentParent = element;
+		else
+			currentParent = element.eContainer();
+
+		while(currentParent != null && !(targetClass.isAssignableFrom(currentParent.getClass()))) {
+			currentParent = currentParent.eContainer();
+		}
+		return (T)currentParent;
+	}
+
 	/**
 	 * Finds the model element referenced by the given {@link IIdLabeledReference} element or
 	 * <code>null</code> if no such element exists. The reference's model project is searched from