Refactor Grid SelectionModels as extensions (#18624)

This patch removes all selection related variables and API from several
core parts of Grid.

Change-Id: Idb7aa48fda69ded1ef58a69c1f7dbc78b7f52a54

3 files changed, 156 insertions, 0 deletions

diff --git a/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModel.java b/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModel.java
new file mode 100644
index 0000000000..008c24cdd3
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModel.java
@@ -0,0 +1,37 @@
+/*
+ * 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.grid;
+
+import com.vaadin.annotations.Widgetset;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.tests.widgetset.TestingWidgetSet;
+import com.vaadin.ui.Grid.MultiSelectionModel;
+
+@Widgetset(TestingWidgetSet.NAME)
+public class GridCustomSelectionModel extends AbstractTestUI {
+
+    public static class MySelectionModel extends MultiSelectionModel {
+    }
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        PersonTestGrid grid = new PersonTestGrid(500);
+        grid.setSelectionModel(new MySelectionModel());
+        addComponent(grid);
+    }
+
+}
diff --git a/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModelTest.java b/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModelTest.java
new file mode 100644
index 0000000000..976e1e78fe
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/grid/GridCustomSelectionModelTest.java
@@ -0,0 +1,58 @@
+/*
+ * 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.grid;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.Keys;
+
+import com.vaadin.testbench.elements.GridElement;
+import com.vaadin.testbench.elements.GridElement.GridCellElement;
+import com.vaadin.testbench.parallel.TestCategory;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+@TestCategory("grid")
+public class GridCustomSelectionModelTest extends MultiBrowserTest {
+
+    @Test
+    public void testCustomSelectionModel() {
+        setDebug(true);
+        openTestURL();
+
+        GridElement grid = $(GridElement.class).first();
+        GridCellElement cell = grid.getCell(0, 0);
+        assertTrue("First column of Grid should not have an input element",
+                cell.findElements(By.className("input")).isEmpty());
+
+        assertFalse("Row should not be selected initially", grid.getRow(0)
+                .isSelected());
+
+        cell.click(5, 5);
+        assertTrue("Click should select row", grid.getRow(0).isSelected());
+        cell.click(5, 5);
+        assertFalse("Click should deselect row", grid.getRow(0).isSelected());
+
+        grid.sendKeys(Keys.SPACE);
+        assertTrue("Space should select row", grid.getRow(0).isSelected());
+        grid.sendKeys(Keys.SPACE);
+        assertFalse("Space should deselect row", grid.getRow(0).isSelected());
+
+        assertNoErrorNotifications();
+    }
+}
diff --git a/uitest/src/com/vaadin/tests/widgetset/client/grid/MySelectionModelConnector.java b/uitest/src/com/vaadin/tests/widgetset/client/grid/MySelectionModelConnector.java
new file mode 100644
index 0000000000..81a9ab5bf1
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/widgetset/client/grid/MySelectionModelConnector.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.widgetset.client.grid;
+
+import com.vaadin.client.ServerConnector;
+import com.vaadin.client.connectors.MultiSelectionModelConnector;
+import com.vaadin.client.renderers.ComplexRenderer;
+import com.vaadin.client.widget.grid.selection.ClickSelectHandler;
+import com.vaadin.client.widget.grid.selection.SelectionModel.Multi;
+import com.vaadin.client.widgets.Grid;
+import com.vaadin.shared.ui.Connect;
+import com.vaadin.tests.components.grid.GridCustomSelectionModel.MySelectionModel;
+
+import elemental.json.JsonObject;
+
+@Connect(MySelectionModel.class)
+public class MySelectionModelConnector extends MultiSelectionModelConnector {
+
+    private ClickSelectHandler<JsonObject> handler;
+
+    @Override
+    protected void extend(ServerConnector target) {
+        super.extend(target);
+        handler = new ClickSelectHandler<JsonObject>(getGrid());
+    }
+
+    @Override
+    public void onUnregister() {
+        super.onUnregister();
+        handler.removeHandler();
+        handler = null;
+    }
+
+    @Override
+    protected Multi<JsonObject> createSelectionModel() {
+        return new MySelectionModel();
+    }
+
+    public class MySelectionModel extends MultiSelectionModel {
+
+        @Override
+        protected ComplexRenderer<Boolean> createSelectionColumnRenderer(
+                Grid<JsonObject> grid) {
+            // No Selection Column.
+            return null;
+        }
+    }
+}