Update the tab caption widths when necessary (#13402)

Change-Id: I9c319625da3e4cfc5b49c339f54393f7e12effed

1 files changed, 28 insertions, 14 deletions

diff --git a/client/src/com/vaadin/client/ui/VTabsheet.java b/client/src/com/vaadin/client/ui/VTabsheet.java
index f2e4003e7f..a523287101 100644
--- a/client/src/com/vaadin/client/ui/VTabsheet.java
+++ b/client/src/com/vaadin/client/ui/VTabsheet.java
@@ -92,7 +92,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Representation of a single "tab" shown in the TabBar
-     * 
+     *
      */
     public static class Tab extends SimplePanel implements HasFocusHandlers,
             HasBlurHandlers, HasKeyDownHandlers {
@@ -194,7 +194,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
         /**
          * Toggles the style names for the Tab
-         * 
+         *
          * @param selected
          *            true if the Tab is selected
          * @param first
@@ -581,7 +581,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
         /**
          * Returns the index of the first visible tab
-         * 
+         *
          * @return
          */
         private int getFirstVisibleTab() {
@@ -590,7 +590,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
         /**
          * Find the next visible tab. Returns -1 if none is found.
-         * 
+         *
          * @param i
          * @return
          */
@@ -609,7 +609,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
         /**
          * Find the previous visible tab. Returns -1 if none is found.
-         * 
+         *
          * @param i
          * @return
          */
@@ -721,7 +721,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Load the content of a tab of the provided index.
-     * 
+     *
      * @param index
      *            of the tab to load
      */
@@ -747,7 +747,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Returns the currently displayed widget in the tab panel.
-     * 
+     *
      * @since 7.2
      * @return currently displayed content widget
      */
@@ -757,7 +757,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Returns the client to server RPC proxy for the tabsheet.
-     * 
+     *
      * @since 7.2
      * @return RPC proxy
      */
@@ -767,10 +767,10 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * For internal use only.
-     * 
+     *
      * Avoid using this method directly and use appropriate superclass methods
      * where applicable.
-     * 
+     *
      * @deprecated since 7.2 - use more specific methods instead (getRpcProxy(),
      *             getConnectorForWidget(Widget) etc.)
      * @return ApplicationConnection
@@ -885,7 +885,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
     /**
      * Checks if the tab with the selected index has been scrolled out of the
      * view (on the left side).
-     * 
+     *
      * @param index
      * @return
      */
@@ -1018,7 +1018,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Renders the widget content for a tab sheet.
-     * 
+     *
      * @param newWidget
      */
     public void renderContent(Widget newWidget) {
@@ -1045,6 +1045,16 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
         VTabsheet.this.removeStyleDependentName("loading");
     }
 
+    /**
+     * Recalculates the sizes of tab captions, causing the tabs to be
+     * rendered the correct size.
+     */
+    private void updateTabCaptionSizes() {
+        for (int tabIx = 0; tabIx < tb.getTabCount(); tabIx++) {
+            tb.getTab(tabIx).recalculateCaptionWidth();
+        }
+    }
+
     /** For internal use only. May be removed or replaced in the future. */
     public void updateContentNodeHeight() {
         if (!isDynamicHeight()) {
@@ -1062,8 +1072,12 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
         }
     }
 
+    /**
+     * Run internal layouting.
+     */
     public void iLayout() {
         updateTabScroller();
+        updateTabCaptionSizes();
     }
 
     /**
@@ -1379,7 +1393,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Makes tab bar visible.
-     * 
+     *
      * @since 7.2
      */
     public void showTabs() {
@@ -1390,7 +1404,7 @@ public class VTabsheet extends VTabsheetBase implements Focusable,
 
     /**
      * Makes tab bar invisible.
-     * 
+     *
      * @since 7.2
      */
     public void hideTabs() {