Fix Editor overlay position when footer is displayed on top (#19491)

Change-Id: I6ad09f0d69073042e76bb208b951824333cba230

2 files changed, 26 insertions, 3 deletions

diff --git a/client/src/com/vaadin/client/widgets/Grid.java b/client/src/com/vaadin/client/widgets/Grid.java
index 0de5e7a239..252bcfed3c 100644
--- a/client/src/com/vaadin/client/widgets/Grid.java
+++ b/client/src/com/vaadin/client/widgets/Grid.java
@@ -1817,9 +1817,7 @@ public class Grid<T> extends ResizeComposite implements
                 @Override
                 public void onScroll(ScrollEvent event) {
                     updateHorizontalScrollPosition();
-                    if (!isBuffered()) {
-                        updateVerticalScrollPosition();
-                    }
+                    updateVerticalScrollPosition();
                 }
             });
 
@@ -2109,6 +2107,10 @@ public class Grid<T> extends ResizeComposite implements
          * row container if the edited row is scrolled out of the visible area.
          */
         private void updateVerticalScrollPosition() {
+            if (isBuffered()) {
+                return;
+            }
+
             double newScrollTop = grid.getScrollTop();
 
             int gridTop = grid.getElement().getAbsoluteTop();
diff --git a/uitest/src/com/vaadin/tests/fieldgroup/BasicCrudGridEditorRowTest.java b/uitest/src/com/vaadin/tests/fieldgroup/BasicCrudGridEditorRowTest.java
index 769fa52323..df250357d8 100644
--- a/uitest/src/com/vaadin/tests/fieldgroup/BasicCrudGridEditorRowTest.java
+++ b/uitest/src/com/vaadin/tests/fieldgroup/BasicCrudGridEditorRowTest.java
@@ -15,6 +15,8 @@
  */
 package com.vaadin.tests.fieldgroup;
 
+import static org.junit.Assert.assertFalse;
+
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -89,4 +91,23 @@ public class BasicCrudGridEditorRowTest extends MultiBrowserTest {
         Assert.assertNotEquals("Checkbox value did not change", value,
                 cb.getValue());
     }
+
+    @Test
+    public void testNoTopStyleSetOnEditorOpenWithFooterOnTop() {
+        GridCellElement cell = grid.getCell(2, 3);
+        // Open editor row
+        new Actions(getDriver()).doubleClick(cell).perform();
+
+        // Close editor
+        new Actions(getDriver()).sendKeys(Keys.ESCAPE).perform();
+
+        cell = grid.getCell(14, 3);
+
+        // Open editor row
+        new Actions(getDriver()).doubleClick(cell).perform();
+
+        String attribute = grid.getEditor().getAttribute("style").toLowerCase();
+        assertFalse("Style should not contain top.", attribute.contains("top:"));
+    }
+
 }