Add getSelected functionality to SelectionEvents (#15513)

Change-Id: If88af88b55063f7178b32579963303ee0d621492

1 files changed, 10 insertions, 0 deletions

diff --git a/server/src/com/vaadin/event/SelectionEvent.java b/server/src/com/vaadin/event/SelectionEvent.java
index b6ade2aa9c..e75369e6da 100644
--- a/server/src/com/vaadin/event/SelectionEvent.java
+++ b/server/src/com/vaadin/event/SelectionEvent.java
@@ -17,6 +17,7 @@ package com.vaadin.event;
 
 import java.io.Serializable;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.EventObject;
 import java.util.LinkedHashSet;
 import java.util.Set;
@@ -67,6 +68,15 @@ public class SelectionEvent extends EventObject {
     }
 
     /**
+     * A {@link Collection} of all the itemIds that are currently selected.
+     * 
+     * @return a Collection of the itemIds that are currently selected
+     */
+    public Set<Object> getSelected() {
+        return Collections.unmodifiableSet(newSelection);
+    }
+
+    /**
      * The listener interface for receiving {@link SelectionEvent
      * SelectionEvents}.
      */