Create ComboBoxServerRpc stub (#19229)

Create an empty client to server RPC implementation for ComboBox.

Change-Id: I1ccce4875682b8ba2541acdc42d361edb30ca458

1 files changed, 14 insertions, 6 deletions

diff --git a/server/src/main/java/com/vaadin/ui/ComboBox.java b/server/src/main/java/com/vaadin/ui/ComboBox.java
index a6a562f2d2..d448f23ac7 100644
--- a/server/src/main/java/com/vaadin/ui/ComboBox.java
+++ b/server/src/main/java/com/vaadin/ui/ComboBox.java
@@ -34,6 +34,7 @@ import com.vaadin.event.FieldEvents.FocusListener;
 import com.vaadin.server.PaintException;
 import com.vaadin.server.PaintTarget;
 import com.vaadin.server.Resource;
+import com.vaadin.shared.ui.combobox.ComboBoxServerRpc;
 import com.vaadin.shared.ui.combobox.ComboBoxState;
 import com.vaadin.shared.ui.combobox.FilteringMode;
 
@@ -74,6 +75,10 @@ public class ComboBox extends AbstractSelect implements
         public String getStyle(ComboBox source, Object itemId);
     }
 
+    private ComboBoxServerRpc rpc = new ComboBoxServerRpc() {
+
+    };
+
     /**
      * Holds value of property pageLength. 0 disables paging.
      */
@@ -130,28 +135,31 @@ public class ComboBox extends AbstractSelect implements
     private ItemStyleGenerator itemStyleGenerator = null;
 
     public ComboBox() {
-        initDefaults();
+        init();
     }
 
     public ComboBox(String caption, Collection<?> options) {
         super(caption, options);
-        initDefaults();
+        init();
     }
 
     public ComboBox(String caption, Container dataSource) {
         super(caption, dataSource);
-        initDefaults();
+        init();
     }
 
     public ComboBox(String caption) {
         super(caption);
-        initDefaults();
+        init();
     }
 
     /**
-     * Initialize the ComboBox with default settings
+     * Initialize the ComboBox with default settings and register client to
+     * server RPC implementation.
      */
-    private void initDefaults() {
+    private void init() {
+        registerRpc(rpc);
+
         setNewItemsAllowed(false);
         setImmediate(true);
     }