Create DescriptionGenerator in package com.vaadin.ui (#10346)

Deprecate com.vaadin.ui.components.grid.DescriptionGenerator
and subclass it from the new DescriptionGenerator.

server/src/main/java/com/vaadin/ui/CheckBoxGroup.java

@@ -35,7 +35,6 @@ import com.vaadin.server.SerializablePredicate;
 import com.vaadin.shared.Registration;
 import com.vaadin.shared.ui.ListingJsonConstants;
 import com.vaadin.shared.ui.optiongroup.CheckBoxGroupState;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 import com.vaadin.ui.declarative.DesignContext;
 import com.vaadin.ui.declarative.DesignFormatter;
 

server/src/main/java/com/vaadin/ui/DescriptionGenerator.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2000-2016 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.ui;
+
+import com.vaadin.server.SerializableFunction;
+
+/**
+ * A callback interface for generating description texts for an item.
+ *
+ * @author Vaadin Ltd
+ * @since 8.2
+ *
+ * @param <T>
+ *            the item type
+ */
+@FunctionalInterface
+public interface DescriptionGenerator<T>
+        extends SerializableFunction<T, String> {
+}

server/src/main/java/com/vaadin/ui/Grid.java

@@ -97,7 +97,6 @@ import com.vaadin.shared.ui.grid.SectionState;
 import com.vaadin.ui.components.grid.ColumnReorderListener;
 import com.vaadin.ui.components.grid.ColumnResizeListener;
 import com.vaadin.ui.components.grid.ColumnVisibilityChangeListener;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 import com.vaadin.ui.components.grid.DetailsGenerator;
 import com.vaadin.ui.components.grid.Editor;
 import com.vaadin.ui.components.grid.EditorImpl;

server/src/main/java/com/vaadin/ui/RadioButtonGroup.java

@@ -38,7 +38,6 @@ import com.vaadin.server.SerializablePredicate;
 import com.vaadin.shared.Registration;
 import com.vaadin.shared.ui.ListingJsonConstants;
 import com.vaadin.shared.ui.optiongroup.RadioButtonGroupState;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 import com.vaadin.ui.declarative.DesignContext;
 import com.vaadin.ui.declarative.DesignFormatter;
 

server/src/main/java/com/vaadin/ui/Tree.java

@@ -59,7 +59,6 @@ import com.vaadin.shared.ui.grid.ScrollDestination;
 import com.vaadin.shared.ui.tree.TreeMultiSelectionModelState;
 import com.vaadin.shared.ui.tree.TreeRendererState;
 import com.vaadin.ui.Grid.SelectionMode;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 import com.vaadin.ui.components.grid.MultiSelectionModelImpl;
 import com.vaadin.ui.components.grid.NoSelectionModel;
 import com.vaadin.ui.components.grid.SingleSelectionModelImpl;

server/src/main/java/com/vaadin/ui/components/grid/DescriptionGenerator.java

@@ -15,8 +15,6 @@
  */
 package com.vaadin.ui.components.grid;
 
-import com.vaadin.server.SerializableFunction;
-
 /**
  * A callback interface for generating description texts for an item.
  *
@@ -25,8 +23,11 @@ import com.vaadin.server.SerializableFunction;
  *
  * @param <T>
  *            the grid bean type
+ * @deprecated as of 8.2, use the DescriptionGenerator found in package
+ *             com.vaadin.ui instead.
  */
 @FunctionalInterface
+@Deprecated
 public interface DescriptionGenerator<T>
-        extends SerializableFunction<T, String> {
+        extends com.vaadin.ui.DescriptionGenerator<T> {
 }

uitest/src/main/java/com/vaadin/tests/components/checkbox/CheckBoxGroupTestUI.java

@@ -20,8 +20,8 @@ import java.util.LinkedHashMap;
 import com.vaadin.icons.VaadinIcons;
 import com.vaadin.tests.components.abstractlisting.AbstractMultiSelectTestUI;
 import com.vaadin.ui.CheckBoxGroup;
+import com.vaadin.ui.DescriptionGenerator;
 import com.vaadin.ui.IconGenerator;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 
 /**
  * Test UI for CheckBoxGroup component

uitest/src/main/java/com/vaadin/tests/components/grid/basics/GridBasics.java

@@ -29,6 +29,7 @@ import com.vaadin.shared.ui.grid.HeightMode;
 import com.vaadin.tests.components.AbstractTestUIWithLog;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
+import com.vaadin.ui.DescriptionGenerator;
 import com.vaadin.ui.Grid;
 import com.vaadin.ui.Grid.Column;
 import com.vaadin.ui.Grid.SelectionMode;
@@ -43,7 +44,6 @@ import com.vaadin.ui.SingleSelect;
 import com.vaadin.ui.StyleGenerator;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 import com.vaadin.ui.components.grid.DetailsGenerator;
 import com.vaadin.ui.components.grid.FooterCell;
 import com.vaadin.ui.components.grid.FooterRow;

uitest/src/main/java/com/vaadin/tests/components/radiobutton/RadioButtonGroupTestUI.java

@@ -20,9 +20,9 @@ import java.util.stream.IntStream;
 
 import com.vaadin.icons.VaadinIcons;
 import com.vaadin.tests.components.abstractlisting.AbstractListingTestUI;
+import com.vaadin.ui.DescriptionGenerator;
 import com.vaadin.ui.ItemCaptionGenerator;
 import com.vaadin.ui.RadioButtonGroup;
-import com.vaadin.ui.components.grid.DescriptionGenerator;
 
 /**
  * Test UI for RadioButtonGroup component