1 files changed, 24 insertions, 1 deletions
diff --git a/src/com/vaadin/terminal/gwt/client/ui/button/ButtonState.java b/src/com/vaadin/terminal/gwt/client/ui/button/ButtonState.java
index fdc053b3ae..2daceea0e8 100644
--- a/src/com/vaadin/terminal/gwt/client/ui/button/ButtonState.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/button/ButtonState.java
@@ -5,6 +5,7 @@
 package com.vaadin.terminal.gwt.client.ui.button;
 
 import com.vaadin.terminal.gwt.client.ComponentState;
+import com.vaadin.terminal.gwt.client.ui.TabIndexState;
 import com.vaadin.ui.Button;
 
 /**
@@ -14,10 +15,14 @@ import com.vaadin.ui.Button;
  * 
  * @since 7.0
  */
-public class ButtonState extends ComponentState {
+public class ButtonState extends ComponentState implements TabIndexState {
     private boolean disableOnClick = false;
     private int clickShortcutKeyCode = 0;
     /**
+     * The tab order number of this field.
+     */
+    private int tabIndex = 0;
+    /**
      * If caption should be rendered in HTML
      */
     private boolean htmlContentAllowed = false;
@@ -92,4 +97,22 @@ public class ButtonState extends ComponentState {
         return htmlContentAllowed;
     }
 
+    /*
+     * (non-Javadoc)
+     * 
+     * @see com.vaadin.terminal.gwt.client.ui.TabIndexState#getTabIndex()
+     */
+    public int getTabIndex() {
+        return tabIndex;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see com.vaadin.terminal.gwt.client.ui.TabIndexState#setTabIndex(int)
+     */
+    public void setTabIndex(int tabIndex) {
+        this.tabIndex = tabIndex;
+    }
+
 }