feat: Backport of HasLabel interface to v14.

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/main/java/com/vaadin/flow/component/checkbox/Checkbox.java

@@ -16,6 +16,7 @@
 package com.vaadin.flow.component.checkbox;
 
 import com.vaadin.flow.component.AbstractField;
+import com.vaadin.flow.component.HasLabel;
 import com.vaadin.flow.component.HasSize;
 
 /**
@@ -30,7 +31,7 @@
  * @author Vaadin Ltd
  */
 public class Checkbox extends GeneratedVaadinCheckbox<Checkbox, Boolean>
-        implements HasSize {
+        implements HasSize, HasLabel {
 
     /**
      * Default constructor.
@@ -106,6 +107,7 @@ public Checkbox(String label,
      *
      * @return the current label text
      */
+    @Override
     public String getLabel() {
         return getElement().getText();
     }
@@ -116,6 +118,7 @@ public String getLabel() {
      * @param label
      *            the label text to set
      */
+    @Override
     public void setLabel(String label) {
         getElement().setText(label);
     }

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/main/java/com/vaadin/flow/component/checkbox/CheckboxGroup.java

@@ -25,6 +25,7 @@
 import com.vaadin.flow.component.AttachEvent;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.HasHelper;
+import com.vaadin.flow.component.HasLabel;
 import com.vaadin.flow.component.HasSize;
 import com.vaadin.flow.component.HasValidation;
 import com.vaadin.flow.component.ItemLabelGenerator;
@@ -56,7 +57,8 @@
 public class CheckboxGroup<T>
         extends GeneratedVaadinCheckboxGroup<CheckboxGroup<T>, Set<T>>
         implements HasItemsAndComponents<T>, HasSize, HasValidation,
-        MultiSelect<CheckboxGroup<T>, T>, HasDataProvider<T>, HasHelper {
+        MultiSelect<CheckboxGroup<T>, T>, HasDataProvider<T>, HasHelper,
+        HasLabel {
 
     private static final String VALUE = "value";
 
@@ -257,6 +259,12 @@ public ItemLabelGenerator<T> getItemLabelGenerator() {
         return itemLabelGenerator;
     }
 
+    /**
+     * Sets the label for the checkbox group.
+     *
+     * @param label
+     *            value for the {@code label} property in the checkbox group
+     */
     @Override
     public void setLabel(String label) {
         super.setLabel(label);
@@ -267,6 +275,7 @@ public void setLabel(String label) {
      *
      * @return the {@code label} property of the checkbox group
      */
+    @Override
     public String getLabel() {
         return super.getLabelString();
     }

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/test/java/com/vaadin/flow/component/checkbox/tests/HasLabelTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2000-2022 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.flow.component.checkbox.tests;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.vaadin.flow.component.HasLabel;
+import com.vaadin.flow.component.checkbox.Checkbox;
+import com.vaadin.flow.component.checkbox.CheckboxGroup;
+
+public class HasLabelTest {
+
+    @Test
+    public void checkbox() {
+        Checkbox c = new Checkbox();
+        Assert.assertTrue(c instanceof HasLabel);
+    }
+
+    @Test
+    public void checkboxGroup() {
+        CheckboxGroup<String> c = new CheckboxGroup<>();
+        Assert.assertTrue(c instanceof HasLabel);
+    }
+
+}

vaadin-combo-box-flow-parent/vaadin-combo-box-flow/src/main/java/com/vaadin/flow/component/combobox/ComboBox.java

@@ -26,8 +26,9 @@
 import com.vaadin.flow.component.AttachEvent;
 import com.vaadin.flow.component.ClientCallable;
 import com.vaadin.flow.component.ComponentEventListener;
-import com.vaadin.flow.component.HasHelper;
 import com.vaadin.flow.component.DetachEvent;
+import com.vaadin.flow.component.HasHelper;
+import com.vaadin.flow.component.HasLabel;
 import com.vaadin.flow.component.HasSize;
 import com.vaadin.flow.component.HasValidation;
 import com.vaadin.flow.component.ItemLabelGenerator;
@@ -91,7 +92,7 @@
 @JsModule("./comboBoxConnector-es6.js")
 public class ComboBox<T> extends GeneratedVaadinComboBox<ComboBox<T>, T>
         implements HasSize, HasValidation, HasFilterableDataProvider<T, String>,
-        HasHelper {
+        HasHelper, HasLabel {
 
     private static final String PROP_SELECTED_ITEM = "selectedItem";
     private static final String PROP_VALUE = "value";
@@ -643,7 +644,8 @@ public void setDataProvider(ListDataProvider<T> listDataProvider) {
      * size callback.
      * <p>
      * This method is a shorthand for making a {@link CallbackDataProvider} that
-     * handles a partial {@link com.vaadin.data.provider.Query Query} object.
+     * handles a partial {@link com.vaadin.flow.data.provider.Query Query}
+     * object.
      * <p>
      * Changing the combo box's data provider resets its current value to
      * {@code null}.
@@ -952,6 +954,12 @@ public boolean isRequired() {
         return isRequiredBoolean();
     }
 
+    /**
+     * Sets the label for the combobox.
+     *
+     * @param label
+     *            value for the {@code label} property in the combobox
+     */
     @Override
     public void setLabel(String label) {
         super.setLabel(label);
@@ -962,6 +970,7 @@ public void setLabel(String label) {
      *
      * @return the {@code label} property of the combobox
      */
+    @Override
     public String getLabel() {
         return getLabelString();
     }

vaadin-combo-box-flow-parent/vaadin-combo-box-flow/src/test/java/com/vaadin/flow/component/combobox/HasLabelTest.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2000-2022 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.flow.component.combobox;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.vaadin.flow.component.HasLabel;
+
+public class HasLabelTest {
+
+    @Test
+    public void comboBox() {
+        ComboBox c = new ComboBox();
+        Assert.assertTrue(c instanceof HasLabel);
+    }
+
+}

vaadin-custom-field-flow-parent/vaadin-custom-field-flow/src/main/java/com/vaadin/flow/component/customfield/CustomField.java

@@ -22,20 +22,21 @@
 
 import java.util.Objects;
 
-import com.vaadin.flow.component.HasHelper;
-import com.vaadin.flow.component.dependency.JsModule;
-import com.vaadin.flow.component.dependency.NpmPackage;
 import org.slf4j.LoggerFactory;
 
 import com.vaadin.flow.component.AbstractField;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.Focusable;
+import com.vaadin.flow.component.HasHelper;
+import com.vaadin.flow.component.HasLabel;
 import com.vaadin.flow.component.HasSize;
 import com.vaadin.flow.component.HasValidation;
 import com.vaadin.flow.component.HasValue;
 import com.vaadin.flow.component.Synchronize;
 import com.vaadin.flow.component.Tag;
 import com.vaadin.flow.component.dependency.HtmlImport;
+import com.vaadin.flow.component.dependency.JsModule;
+import com.vaadin.flow.component.dependency.NpmPackage;
 import com.vaadin.flow.dom.Element;
 
 /**
@@ -55,7 +56,8 @@
 @JsModule("@vaadin/vaadin-custom-field/src/vaadin-custom-field.js")
 @HtmlImport("frontend://bower_components/vaadin-custom-field/src/vaadin-custom-field.html")
 public abstract class CustomField<T> extends AbstractField<CustomField<T>, T>
-        implements HasSize, HasValidation, Focusable<CustomField>, HasHelper {
+        implements HasSize, HasValidation, Focusable<CustomField>, HasHelper,
+        HasLabel {
 
     /**
      * Default constructor.
@@ -210,6 +212,7 @@ public String getErrorMessage() {
      *
      * @return the {@code label} property from the webcomponent
      */
+    @Override
     public String getLabel() {
         return getElement().getProperty("label", null);
     }
@@ -220,6 +223,7 @@ public String getLabel() {
      * @param label
      *            value for the {@code label} property in the webcomponent
      */
+    @Override
     public void setLabel(String label) {
         getElement().setProperty("label", label);
     }

vaadin-custom-field-flow-parent/vaadin-custom-field-flow/src/test/java/com/vaadin/flow/component/customfield/HasLabelTest.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2000-2022 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.flow.component.customfield;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.vaadin.flow.component.HasLabel;
+
+public class HasLabelTest {
+
+    @Test
+    public void customField() {
+        CustomField<String> c = new CustomField<String>() {
+            @Override
+            protected String generateModelValue() {
+                return null;
+            }
+
+            @Override
+            protected void setPresentationValue(String newPresentationValue) {
+
+            }
+        };
+        Assert.assertTrue(c instanceof HasLabel);
+    }
+
+}

vaadin-date-picker-flow-parent/vaadin-date-picker-flow/src/main/java/com/vaadin/flow/component/datepicker/DatePicker.java

@@ -18,15 +18,16 @@
 import java.io.Serializable;
 import java.time.LocalDate;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
-import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import com.vaadin.flow.component.AttachEvent;
 import com.vaadin.flow.component.ComponentEventListener;
 import com.vaadin.flow.component.HasHelper;
+import com.vaadin.flow.component.HasLabel;
 import com.vaadin.flow.component.HasSize;
 import com.vaadin.flow.component.HasValidation;
 import com.vaadin.flow.component.HasValue;
@@ -56,7 +57,7 @@
 @JavaScript("frontend://date-picker-datefns.js")
 @JavaScript("frontend://datepickerConnector.js")
 public class DatePicker extends GeneratedVaadinDatePicker<DatePicker, LocalDate>
-        implements HasSize, HasValidation, HasHelper {
+        implements HasSize, HasValidation, HasHelper, HasLabel {
 
     private static final String PROP_AUTO_OPEN_DISABLED = "autoOpenDisabled";
 
@@ -482,6 +483,12 @@ public boolean isClearButtonVisible() {
         return super.isClearButtonVisibleBoolean();
     }
 
+    /**
+     * Sets the label for the datepicker.
+     *
+     * @param label
+     *            value for the {@code label} property in the datepicker
+     */
     @Override
     public void setLabel(String label) {
         super.setLabel(label);
@@ -492,6 +499,7 @@ public void setLabel(String label) {
      *
      * @return the {@code label} property of the datePicker
      */
+    @Override
     public String getLabel() {
         return getLabelString();
     }

vaadin-date-picker-flow-parent/vaadin-date-picker-flow/src/test/java/com/vaadin/flow/component/datepicker/HasLabelTest.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2000-2022 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.flow.component.datepicker;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.vaadin.flow.component.HasLabel;
+
+public class HasLabelTest {
+
+    @Test
+    public void datePicker() {
+        DatePicker d = new DatePicker();
+        Assert.assertTrue(d instanceof HasLabel);
+    }
+
+}