Disables selection when Grid's editor is open (#17132).

Change-Id: Ibbbffbfe2e8bcb763031ac277c2c36ce4eb4e3fc

client/src/com/vaadin/client/widget/grid/selection/MultiSelectionRenderer.java

@@ -569,6 +569,7 @@ public class MultiSelectionRenderer<T> extends ComplexRenderer<Boolean> {
         InputElement checkbox = InputElement.as(cell.getElement()
                 .getFirstChildElement());
         checkbox.setChecked(data.booleanValue());
+        checkbox.setDisabled(grid.isEditorActive());
         checkbox.setPropertyInt(LOGICAL_ROW_PROPERTY_INT, cell.getRowIndex());
     }
 

client/src/com/vaadin/client/widgets/Grid.java

@@ -1157,6 +1157,7 @@ public class Grid<T> extends ResizeComposite implements
                                     + "Grid editor");
                     grid.getEscalator().setScrollLocked(Direction.VERTICAL,
                             false);
+                    updateSelectionCheckboxesAsNeeded(true);
                 }
             }
         };
@@ -1256,6 +1257,16 @@ public class Grid<T> extends ResizeComposite implements
                     null);
             handler.cancel(request);
             state = State.INACTIVE;
+            updateSelectionCheckboxesAsNeeded(true);
+        }
+
+        private void updateSelectionCheckboxesAsNeeded(boolean isEnabled) {
+            if (grid.getSelectionModel() instanceof Multi) {
+                grid.refreshBody();
+                CheckBox checkBox = (CheckBox) grid.getDefaultHeaderRow()
+                        .getCell(grid.selectionColumn).getWidget();
+                checkBox.setEnabled(isEnabled);
+            }
         }
 
         /**
@@ -1282,6 +1293,7 @@ public class Grid<T> extends ResizeComposite implements
             EditorRequest<T> request = new EditorRequestImpl<T>(grid, rowIndex,
                     saveRequestCallback);
             handler.save(request);
+            updateSelectionCheckboxesAsNeeded(true);
         }
 
         /**
@@ -1346,6 +1358,7 @@ public class Grid<T> extends ResizeComposite implements
                         rowIndex, bindRequestCallback);
                 handler.bind(request);
                 grid.getEscalator().setScrollLocked(Direction.VERTICAL, true);
+                updateSelectionCheckboxesAsNeeded(false);
             }
         }
 

uitest/src/com/vaadin/tests/components/grid/GridEditorMultiselect.java

@@ -0,0 +1,35 @@
+package com.vaadin.tests.components.grid;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Grid;
+
+public class GridEditorMultiselect extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        Grid grid = new Grid();
+
+        grid.addColumn("name");
+        grid.addColumn("age", Integer.class);
+
+        for (int i = 0; i < 30; i++) {
+            grid.addRow("name " + i, i);
+        }
+
+        grid.setEditorEnabled(true);
+        grid.setSelectionMode(Grid.SelectionMode.MULTI);
+
+        addComponent(grid);
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 17132;
+    }
+
+    @Override
+    public String getDescription() {
+        return "Grid Multiselect: Edit mode allows invalid selection";
+    }
+}

uitest/src/com/vaadin/tests/components/grid/GridEditorMultiselectTest.java

@@ -0,0 +1,55 @@
+package com.vaadin.tests.components.grid;
+
+import java.util.List;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openqa.selenium.WebElement;
+
+import com.vaadin.testbench.By;
+import com.vaadin.testbench.elements.GridElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class GridEditorMultiselectTest extends MultiBrowserTest {
+
+    @Test
+    public void testSelectCheckboxesDisabled() {
+        openTestURL();
+        GridElement grid = openEditor();
+        assertCheckboxesEnabled(grid, false);
+    }
+
+    @Test
+    public void testSelectCheckboxesEnabledBackOnSave() {
+        openTestURL();
+        GridElement grid = openEditor();
+        grid.getEditor().save();
+        assertCheckboxesEnabled(grid, true);
+    }
+
+    @Test
+    public void testSelectCheckboxesEnabledBackOnCancel() {
+        openTestURL();
+        GridElement grid = openEditor();
+        grid.getEditor().cancel();
+        assertCheckboxesEnabled(grid, true);
+    }
+
+    private GridElement openEditor() {
+        GridElement grid = $(GridElement.class).first();
+        grid.getRow(0).doubleClick();
+        Assert.assertTrue("Grid editor should be displayed.", grid.getEditor()
+                .isDisplayed());
+        return grid;
+    }
+
+    private void assertCheckboxesEnabled(GridElement grid, boolean isEnabled) {
+        List<WebElement> checkboxes = grid.findElements(By
+                .xpath("//input[@type='checkbox']"));
+        for (WebElement checkbox : checkboxes) {
+            Assert.assertEquals("Select checkboxes should be "
+                    + (isEnabled ? "enabled" : "disabled"), isEnabled,
+                    checkbox.isEnabled());
+        }
+    }
+}