ComboBox no longer displays input prompt if disabled or read-only (#10573)

Change-Id: I3e0ad83bc5ec4a98a0c8e7658dfb606c6c5dc191

client/src/com/vaadin/client/ui/VFilterSelect.java

@@ -1716,7 +1716,7 @@ public class VFilterSelect extends Composite implements Field, KeyDownHandler,
             setPromptingOff(text);
             selectedOptionKey = currentSuggestion.key;
         } else {
-            if (focused) {
+            if (focused || readonly || !enabled) {
                 setPromptingOff("");
             } else {
                 setPromptingOn();

client/src/com/vaadin/client/ui/combobox/ComboBoxConnector.java

@@ -303,8 +303,10 @@ public class ComboBoxConnector extends AbstractFieldConnector implements
                  * ALWAYS set the prompting style at this point, even though we
                  * think it has been set already...
                  */
-                getWidget().prompting = false;
-                getWidget().setPromptingOn();
+                getWidget().setPromptingOff("");
+                if (getWidget().enabled && !getWidget().readonly) {
+                    getWidget().setPromptingOn();
+                }
             } else {
                 // we have focus in field, prompting can't be set on, instead
                 // just clear the input if the value has changed from something

uitest/src/com/vaadin/tests/components/combobox/ComboBoxInputPrompt.java

@@ -0,0 +1,62 @@
+/*
+ * 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.combobox;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.ComboBox;
+
+public class ComboBoxInputPrompt extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        final ComboBox cb1 = new ComboBox("Normal");
+        cb1.setInputPrompt("Normal input prompt");
+
+        final ComboBox cb2 = new ComboBox("Disabled");
+        cb2.setEnabled(false);
+        cb2.setInputPrompt("Disabled input prompt");
+
+        final ComboBox cb3 = new ComboBox("Read-only");
+        cb3.setReadOnly(true);
+        cb3.setInputPrompt("Read-only input prompt");
+
+        Button enableButton = new Button("Toggle enabled",
+                new Button.ClickListener() {
+
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        cb2.setEnabled(!cb2.isEnabled());
+                        cb3.setReadOnly(!cb3.isReadOnly());
+                    }
+                });
+
+        addComponents(cb1, cb2, cb3, enableButton);
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "ComboBox should not display the input prompt if disabled or read-only.";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 10573;
+    }
+
+}

uitest/src/com/vaadin/tests/components/combobox/ComboBoxInputPromptTest.java

@@ -0,0 +1,70 @@
+/*
+ * 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.combobox;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.isEmptyString;
+import static org.junit.Assert.assertEquals;
+
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.testbench.elements.ComboBoxElement;
+import com.vaadin.testbench.elements.TextFieldElement;
+import com.vaadin.tests.tb3.AbstractTB3Test;
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class ComboBoxInputPromptTest extends MultiBrowserTest {
+
+    @Test
+    public void promptIsHiddenForDisabledAndReadonly() {
+        openTestURL();
+
+        ComboBoxElement normalComboBox = getComboBoxWithCaption("Normal");
+        ComboBoxElement disabledComboBox = getComboBoxWithCaption("Disabled");
+        ComboBoxElement readOnlyComboBox = getComboBoxWithCaption("Read-only");
+
+        assertThat(getInputPromptValue(normalComboBox), is("Normal input prompt"));
+        assertThat(getInputPromptValue(disabledComboBox), isEmptyString());
+        assertThat(getInputPromptValue(readOnlyComboBox), isEmptyString());
+
+        toggleDisabledAndReadonly();
+        assertThat(getInputPromptValue(disabledComboBox), is("Disabled input prompt"));
+        assertThat(getInputPromptValue(readOnlyComboBox), is("Read-only input prompt"));
+
+        toggleDisabledAndReadonly();
+        assertThat(getInputPromptValue(disabledComboBox), isEmptyString());
+        assertThat(getInputPromptValue(readOnlyComboBox), isEmptyString());
+    }
+
+    private void toggleDisabledAndReadonly() {
+        $(ButtonElement.class).first().click();
+    }
+
+    private String getInputPromptValue(ComboBoxElement comboBox) {
+        WebElement input = comboBox.findElement(By.tagName("input"));
+
+        return input.getAttribute("value");
+    }
+
+    private ComboBoxElement getComboBoxWithCaption(String caption) {
+        return $(ComboBoxElement.class).caption(caption).first();
+    }
+
+}