Add method for refreshing all Grid rows (#8406)

* Add method for refreshing all Grid rows

Fixes #8350

3 files changed, 53 insertions, 1 deletions

diff --git a/server/src/main/java/com/vaadin/ui/Grid.java b/server/src/main/java/com/vaadin/ui/Grid.java
index f96b485cc0..4b7793893d 100644
--- a/server/src/main/java/com/vaadin/ui/Grid.java
+++ b/server/src/main/java/com/vaadin/ui/Grid.java
@@ -6859,6 +6859,13 @@ public class Grid extends AbstractFocusable implements SelectionNotifier,
         }
     }
 
+    /**
+     * Refreshes, i.e. causes the client side to re-render all rows.
+     */
+    public void refreshAllRows() {
+        datasourceExtension.refreshCache();
+    }
+
     private static Logger getLogger() {
         return Logger.getLogger(Grid.class.getName());
     }
diff --git a/uitest/src/main/java/com/vaadin/tests/components/grid/GridRefreshRow.java b/uitest/src/main/java/com/vaadin/tests/components/grid/GridRefreshRow.java
index 0084e33360..2104218d9b 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/grid/GridRefreshRow.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/grid/GridRefreshRow.java
@@ -70,13 +70,20 @@ public class GridRefreshRow extends AbstractTestUIWithLog {
             }
         });
         refresh10.setId("refresh10");
+        Button refreshAll = new Button("Refresh all", new ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                grid.refreshAllRows();
+            }
+        });
+        refreshAll.setId("refreshAll");
         addComponents(new HorizontalLayout(refresh(0), refresh(1), refresh(2),
                 new Button("Refresh non-existant", new ClickListener() {
                     @Override
                     public void buttonClick(ClickEvent event) {
                         grid.refreshRows("foobar");
                     }
-                })), refresh10);
+                })), refresh10, refreshAll);
         addComponents(new HorizontalLayout(style(0), style(1), style(2)));
     }
 
diff --git a/uitest/src/test/java/com/vaadin/tests/components/grid/GridRefreshRowTest.java b/uitest/src/test/java/com/vaadin/tests/components/grid/GridRefreshRowTest.java
index 3b1e2b9c88..9ea393c7b9 100644
--- a/uitest/src/test/java/com/vaadin/tests/components/grid/GridRefreshRowTest.java
+++ b/uitest/src/test/java/com/vaadin/tests/components/grid/GridRefreshRowTest.java
@@ -55,6 +55,40 @@ public class GridRefreshRowTest extends SingleBrowserTest {
         Assert.assertEquals("!!Marge", grid.getCell(2, 1).getText());
     }
 
+    @Test
+    public void refreshAllRows() {
+        openTestURL();
+        grid = $(GridElement.class).first();
+        update(0);
+        update(1);
+        update(2);
+        style(1);
+        style(2);
+
+        Assert.assertEquals("Lisa", grid.getCell(0, 1).getText());
+        Assert.assertEquals("Joshua", grid.getCell(1, 1).getText());
+        Assert.assertEquals("Marge", grid.getCell(2, 1).getText());
+
+        Assert.assertFalse(hasCssClass(grid.getRow(0), "rowstyle"));
+        Assert.assertFalse(hasCssClass(grid.getRow(1), "rowstyle"));
+        Assert.assertFalse(hasCssClass(grid.getRow(2), "rowstyle"));
+        Assert.assertFalse(hasCssClass(grid.getCell(0, 0), "cellstyle"));
+        Assert.assertFalse(hasCssClass(grid.getCell(1, 0), "cellstyle"));
+        Assert.assertFalse(hasCssClass(grid.getCell(2, 0), "cellstyle"));
+
+        refreshAll();
+        Assert.assertEquals("!Lisa", grid.getCell(0, 1).getText());
+        Assert.assertEquals("!Joshua", grid.getCell(1, 1).getText());
+        Assert.assertEquals("!Marge", grid.getCell(2, 1).getText());
+
+        Assert.assertFalse(hasCssClass(grid.getRow(0), "rowstyle"));
+        Assert.assertTrue(hasCssClass(grid.getRow(1), "rowstyle"));
+        Assert.assertTrue(hasCssClass(grid.getRow(2), "rowstyle"));
+        Assert.assertFalse(hasCssClass(grid.getCell(0, 0), "cellstyle"));
+        Assert.assertTrue(hasCssClass(grid.getCell(1, 0), "cellstyle"));
+        Assert.assertTrue(hasCssClass(grid.getCell(2, 0), "cellstyle"));
+    }
+
     private void refresh10First() {
         $(ButtonElement.class).id("refresh10").click();
     }
@@ -70,4 +104,8 @@ public class GridRefreshRowTest extends SingleBrowserTest {
     private void refresh(int i) {
         $(ButtonElement.class).id("refresh" + i).click();
     }
+
+    private void refreshAll() {
+        $(ButtonElement.class).id("refreshAll").click();
+    }
 }