Bug 493040 - Multi Select search in Hierarchy behaves inconsistently for

References and Declarations

Change-Id: I59500be2a0b712107994edc0d3f0ca12a609b0f9
Signed-off-by: Sarika Sinha <sarika.sinha@in.ibm.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindDeclarationsInHierarchyAction.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindDeclarationsInHierarchyAction.java
index ff0ef2af2c..1be6d7a0c1 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindDeclarationsInHierarchyAction.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindDeclarationsInHierarchyAction.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * Copyright (c) 2000, 2016 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -10,6 +10,8 @@
  *******************************************************************************/
 package org.eclipse.jdt.ui.actions;
 
+import org.eclipse.jface.viewers.IStructuredSelection;
+
 import org.eclipse.ui.IWorkbenchSite;
 import org.eclipse.ui.PlatformUI;
 
@@ -92,4 +94,12 @@ public class FindDeclarationsInHierarchyAction extends FindDeclarationsAction {
 		String description= factory.getHierarchyScopeDescription(type);
 		return new ElementQuerySpecification(element, getLimitTo(), scope, description);
 	}
+	
+	@Override
+	boolean canOperateOn(IStructuredSelection sel) {
+		if (sel == null || sel.isEmpty() || sel.size() > 1) {
+			return false;
+		}
+		return super.canOperateOn(sel);
+	}
 }