2 files changed, 39 insertions, 0 deletions
diff --git a/server/src/com/vaadin/ui/AbstractComponent.java b/server/src/com/vaadin/ui/AbstractComponent.java
index 57416e3a06..4a3aba3cf4 100644
--- a/server/src/com/vaadin/ui/AbstractComponent.java
+++ b/server/src/com/vaadin/ui/AbstractComponent.java
@@ -197,6 +197,16 @@ public abstract class AbstractComponent extends AbstractClientConnector
     }
 
     @Override
+    public void setPrimaryStyleName(String style) {
+        getState().primaryStyleName = style;
+    }
+
+    @Override
+    public String getPrimaryStyleName() {
+        return getState().primaryStyleName;
+    }
+
+    @Override
     public void addStyleName(String style) {
         if (style == null || "".equals(style)) {
             return;
diff --git a/server/src/com/vaadin/ui/Component.java b/server/src/com/vaadin/ui/Component.java
index 320a9dc97c..186aaa0219 100644
--- a/server/src/com/vaadin/ui/Component.java
+++ b/server/src/com/vaadin/ui/Component.java
@@ -198,6 +198,35 @@ public interface Component extends ClientConnector, Sizeable, Serializable {
     public void removeStyleName(String style);
 
     /**
+     * Gets the primary style name of the component. See
+     * {@link Component#setPrimaryStyleName(String)} for a better description of
+     * the primary stylename.
+     */
+    public String getPrimaryStyleName();
+
+    /**
+     * Changes the primary style name of the component.
+     * 
+     * <p>
+     * The primary style name identifies the component when applying the CSS
+     * theme to the Component. By changing the style name all CSS rules targeted
+     * for that style name will no longer apply, and might result in the
+     * component not working as intended.
+     * </p>
+     * 
+     * <p>
+     * To preserve the original style of the component when changing to a new
+     * primary style you should make your new primary style inherit the old
+     * primary style using the SASS @include directive. See more in the SASS
+     * tutorials.
+     * </p>
+     * 
+     * @param style
+     *            The new primary style name
+     */
+    public void setPrimaryStyleName(String style);
+
+    /**
      * Tests whether the component is enabled or not. A user can not interact
      * with disabled components. Disabled components are rendered in a style
      * that indicates the status, usually in gray color. Children of a disabled