Prevent table from scrolling on selectionChange when in Multiselect mode (#13341)

Change-Id: Ie3df61fab6d76dce3e2027cd732d0e6e7dd299e9

3 files changed, 170 insertions, 3 deletions

diff --git a/client/src/com/vaadin/client/ui/VScrollTable.java b/client/src/com/vaadin/client/ui/VScrollTable.java
index d3317abd4d..f8b1ff8d83 100644
--- a/client/src/com/vaadin/client/ui/VScrollTable.java
+++ b/client/src/com/vaadin/client/ui/VScrollTable.java
@@ -1082,12 +1082,20 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
                         selected = true;
                         keyboardSelectionOverRowFetchInProgress = true;
                     }
-                    if (selected) {
+                    if (isSingleSelectMode() && selected) {
+
                         if (focusedRow == null
                                 || !selectedRowKeys.contains(focusedRow
                                         .getKey())) {
-                            // The focus is no longer on a selected row,
-                            // move focus to first selected row
+                            /*
+                             * The focus is no longer on a selected row. If we
+                             * are in single select mode, move focus to the
+                             * selected row. (#10522)
+                             * 
+                             * Don't modify the focused row when in multiselect
+                             * mode. (#13341)
+                             */
+
                             setRowFocus(row);
                         }
                     }
diff --git a/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewport.java b/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewport.java
new file mode 100644
index 0000000000..5a406eac48
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewport.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.table;
+
+import com.vaadin.data.Property.ValueChangeListener;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUIWithLog;
+import com.vaadin.ui.CheckBox;
+import com.vaadin.ui.CssLayout;
+import com.vaadin.ui.Table;
+
+/**
+ * 
+ * @since
+ * @author Vaadin Ltd
+ */
+public class SelectAllConstantViewport extends AbstractTestUIWithLog {
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see com.vaadin.tests.components.AbstractTestUI#setup(com.vaadin.server.
+     * VaadinRequest)
+     */
+    @Override
+    protected void setup(VaadinRequest request) {
+
+        final Table table = new Table();
+        table.addContainerProperty("", Integer.class, null);
+        table.setSizeFull();
+        table.setMultiSelect(true);
+        table.setNullSelectionAllowed(true);
+        table.setSelectable(true);
+
+        CheckBox selectAllCheckbox = new CheckBox("Select All");
+        selectAllCheckbox.addValueChangeListener(new ValueChangeListener() {
+            @Override
+            public void valueChange(
+                    com.vaadin.data.Property.ValueChangeEvent event) {
+                Object checked = event.getProperty().getValue();
+                if (checked instanceof Boolean) {
+                    if (((Boolean) checked).booleanValue()) {
+                        table.setValue(table.getItemIds());
+                    } else {
+                        table.setValue(null);
+                    }
+                }
+            }
+        });
+
+        for (int i = 0; i < 200; i++) {
+            table.addItem(new Object[] { new Integer(i) }, new Integer(i));
+        }
+
+        table.setCurrentPageFirstItemIndex(185);
+
+        final CssLayout layout = new CssLayout();
+        layout.addComponent(selectAllCheckbox);
+        layout.addComponent(table);
+        layout.setSizeFull();
+        addComponent(layout);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see com.vaadin.tests.components.AbstractTestUI#getTestDescription()
+     */
+    @Override
+    protected String getTestDescription() {
+
+        return "The scroll position of a table with many items should remain constant if all items are selected.";
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see com.vaadin.tests.components.AbstractTestUI#getTicketNumber()
+     */
+    @Override
+    protected Integer getTicketNumber() {
+        return 13341;
+    }
+
+}
diff --git a/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewportTest.java b/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewportTest.java
new file mode 100644
index 0000000000..0e7a7c08a4
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/table/SelectAllConstantViewportTest.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.table;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import java.io.IOException;
+
+import org.junit.Test;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.support.ui.ExpectedCondition;
+
+import com.vaadin.testbench.By;
+import com.vaadin.testbench.elements.CheckBoxElement;
+import com.vaadin.testbench.elements.TableElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class SelectAllConstantViewportTest extends MultiBrowserTest {
+
+    @Test
+    public void testViewportUnchanged() throws IOException {
+        openTestURL();
+
+        CheckBoxElement checkbox = $(CheckBoxElement.class).first();
+
+        WebElement row = $(TableElement.class).first().getCell(190, 0);
+        final WebElement scrollPositionDisplay = getDriver().findElement(
+                By.className("v-table-scrollposition"));
+        waitUntilNot(new ExpectedCondition<Boolean>() {
+
+            @Override
+            public Boolean apply(WebDriver input) {
+                return scrollPositionDisplay.isDisplayed();
+            }
+        }, 10);
+
+        int rowLocation = row.getLocation().getY();
+
+        // use click x,y with non-zero offset to actually toggle the checkbox. (#13763)
+        checkbox.click(5, 5);
+        int newRowLocation = row.getLocation().getY();
+
+        assertThat(newRowLocation, is(rowLocation));
+
+    }
+}