Add possibility to configure the content mode of TabSheet tabs (#8920)

Fixes #8590 

1 files changed, 28 insertions, 0 deletions

diff --git a/server/src/main/java/com/vaadin/ui/TabSheet.java b/server/src/main/java/com/vaadin/ui/TabSheet.java
index b48d35592a..ec018e5fbf 100644
--- a/server/src/main/java/com/vaadin/ui/TabSheet.java
+++ b/server/src/main/java/com/vaadin/ui/TabSheet.java
@@ -40,6 +40,7 @@ import com.vaadin.server.KeyMapper;
 import com.vaadin.server.Resource;
 import com.vaadin.shared.ComponentConstants;
 import com.vaadin.shared.Registration;
+import com.vaadin.shared.ui.ContentMode;
 import com.vaadin.shared.ui.tabsheet.TabState;
 import com.vaadin.shared.ui.tabsheet.TabsheetClientRpc;
 import com.vaadin.shared.ui.tabsheet.TabsheetServerRpc;
@@ -1011,6 +1012,11 @@ public class TabSheet extends AbstractComponentContainer
          * Sets the description for the tab. The description can be used to
          * briefly describe the state of the tab to the user, and is typically
          * shown as a tooltip when hovering over the tab.
+         * <p>
+         * Setting a description through this method will additionally set the
+         * content mode of the description to preformatted. For setting a
+         * different content mode see the overload
+         * {@link #setDescription(String, ContentMode)}.
          *
          * @param description
          *            the new description string for the tab.
@@ -1018,6 +1024,22 @@ public class TabSheet extends AbstractComponentContainer
         public void setDescription(String description);
 
         /**
+         * Sets the description for the tab. The description can be used to
+         * briefly describe the state of the tab to the user, and is typically
+         * shown as a tooltip when hovering over the tab.
+         *
+         * @see ContentMode
+         *
+         * @param description
+         *            the new description string for the tab
+         * @param mode
+         *            content mode used to display the description
+         *
+         * @since 8.1
+         */
+        public void setDescription(String description, ContentMode mode);
+
+        /**
          * Sets an error indicator to be shown in the tab. This can be used e.g.
          * to communicate to the user that there is a problem in the contents of
          * the tab.
@@ -1217,7 +1239,13 @@ public class TabSheet extends AbstractComponentContainer
 
         @Override
         public void setDescription(String description) {
+            setDescription(description, ContentMode.PREFORMATTED);
+        }
+
+        @Override
+        public void setDescription(String description, ContentMode mode) {
             tabState.description = description;
+            tabState.descriptionContentMode = mode;
             markAsDirty();
         }