Introduce empty selection functionality for NativeSelect. (#8336)

* Introduce empty selection functionality for NativeSelect.

Fixes vaadin/framework8-issues#545

1 files changed, 12 insertions, 0 deletions

diff --git a/shared/src/main/java/com/vaadin/shared/ui/nativeselect/NativeSelectState.java b/shared/src/main/java/com/vaadin/shared/ui/nativeselect/NativeSelectState.java
index e4ff336e4d..c33cc66f82 100644
--- a/shared/src/main/java/com/vaadin/shared/ui/nativeselect/NativeSelectState.java
+++ b/shared/src/main/java/com/vaadin/shared/ui/nativeselect/NativeSelectState.java
@@ -31,6 +31,18 @@ public class NativeSelectState extends AbstractSingleSelectState {
      */
     public static final String STYLE_NAME = "v-select";
 
+    /**
+     * True to allow selecting nothing (a special empty selection item is shown
+     * at the beginning of the list), false not to allow empty selection by the
+     * user.
+     */
+    public boolean emptySelectionAllowed = true;
+
+    /**
+     * Caption for item which represents empty selection.
+     */
+    public String emptySelectionCaption = "";
+
     {
         primaryStyleName = STYLE_NAME;
     }