Make FormLayout work with HTML captions (#17143)

Change-Id: I334441fd2f8d5f6d9e0629f5d7b564e9008f3fe5

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

@@ -223,7 +223,7 @@ public class Caption extends HTML {
 
         private Icon icon;
 
-        private Element captionText;
+        private Element captionContent;
 
         /**
          * 
@@ -274,26 +274,30 @@ public void updateCaption(AbstractComponentState state, boolean enabled) {
             }
 
             if (state.caption != null) {
-                if (captionText == null) {
-                    captionText = DOM.createSpan();
+                if (captionContent == null) {
+                    captionContent = DOM.createSpan();
 
-                    AriaHelper.bindCaption(owner.getWidget(), captionText);
+                    AriaHelper.bindCaption(owner.getWidget(), captionContent);
 
-                    DOM.insertChild(getElement(), captionText, icon == null ? 0
-                            : 1);
+                    DOM.insertChild(getElement(), captionContent,
+                            icon == null ? 0 : 1);
                 }
                 String c = state.caption;
                 if (c == null) {
                     c = "";
                 } else {
                     isEmpty = false;
                 }
-                DOM.setInnerText(captionText, c);
+                if (state.captionAsHtml) {
+                    captionContent.setInnerHTML(c);
+                } else {
+                    captionContent.setInnerText(c);
+                }
             } else {
                 // TODO should span also be removed
             }
 
-            if (state.description != null && captionText != null) {
+            if (state.description != null && captionContent != null) {
                 addStyleDependentName("hasdescription");
             } else {
                 removeStyleDependentName("hasdescription");

uitest/src/com/vaadin/tests/components/formlayout/HtmlCaptionInFormLayout.java

@@ -0,0 +1,43 @@
+/*
+ * 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.formlayout;
+
+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.FormLayout;
+import com.vaadin.ui.TextField;
+
+public class HtmlCaptionInFormLayout extends AbstractTestUI {
+    @Override
+    protected void setup(VaadinRequest request) {
+        final TextField asHtml = new TextField("Contains <b>HTML</b>");
+        asHtml.setCaptionAsHtml(true);
+
+        final TextField asText = new TextField("Contains <b>HTML</b>");
+
+        addComponent(new FormLayout(asHtml, asText));
+
+        addComponent(new Button("Toggle", new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                asHtml.setCaptionAsHtml(!asHtml.isCaptionAsHtml());
+                asText.setCaptionAsHtml(!asText.isCaptionAsHtml());
+            }
+        }));
+    }
+}

uitest/src/com/vaadin/tests/components/formlayout/HtmlCaptionInFormLayoutTest.java

@@ -0,0 +1,59 @@
+/*
+ * 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.formlayout;
+
+import java.util.List;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.tests.tb3.SingleBrowserTest;
+
+public class HtmlCaptionInFormLayoutTest extends SingleBrowserTest {
+    @Test
+    public void testHtmlCaptions() {
+        openTestURL();
+
+        List<WebElement> captions = getDriver().findElements(
+                By.cssSelector(".v-formlayout-captioncell span"));
+
+        Assert.assertEquals("Should be two formlayout captions", 2,
+                captions.size());
+
+        Assert.assertEquals("Contains HTML", captions.get(0).getText());
+        Assert.assertEquals("Contains <b>HTML</b>", captions.get(1).getText());
+    }
+
+    @Test
+    public void testHtmlCaptionToggle() {
+        openTestURL();
+
+        $(ButtonElement.class).caption("Toggle").first().click();
+
+        List<WebElement> captions = getDriver().findElements(
+                By.cssSelector(".v-formlayout-captioncell span"));
+
+        Assert.assertEquals("Should be two formlayout captions", 2,
+                captions.size());
+
+        Assert.assertEquals("Contains <b>HTML</b>", captions.get(0).getText());
+        Assert.assertEquals("Contains HTML", captions.get(1).getText());
+    }
+
+}