Deprecate Button#setHtmlContentAllowed (#104)

Fixes vaadin/framework8-issues#525

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

      * @param htmlContentAllowed
      *            <code>true</code> if caption is rendered as HTML,
      *            <code>false</code> otherwise
+     *
+     * @deprecated as of 8.0.0, use {@link #setCaptionAsHtml(boolean)} instead.
      */
+    @Deprecated
     public void setHtmlContentAllowed(boolean htmlContentAllowed) {
         getState().captionAsHtml = htmlContentAllowed;
     }
      *
      * @return <code>true</code> if the caption text is to be rendered as HTML,
      *         <code>false</code> otherwise
+     *
+     * @deprecated as of 8.0.0, use {@link #isCaptionAsHtml()} instead.
      */
+    @Deprecated
     public boolean isHtmlContentAllowed() {
         return getState(false).captionAsHtml;
     }
         Boolean plain = DesignAttributeHandler
                 .readAttribute(DESIGN_ATTR_PLAIN_TEXT, attr, Boolean.class);
         if (plain == null || !plain) {
-            setHtmlContentAllowed(true);
+            setCaptionAsHtml(true);
             content = design.html();
         } else {
             // content is not intended to be interpreted as HTML,

server/src/test/java/com/vaadin/tests/server/component/button/ButtonDeclarativeTest.java

         Assert.assertEquals(expectedCaptionHtml, nativeButton.getCaption());
 
         read = new Button("& Test");
-        read.setHtmlContentAllowed(true);
+        read.setCaptionAsHtml(true);
         Element root = new Element(Tag.valueOf("vaadin-button"), "");
         read.writeDesign(root, new DesignContext());
         assertEquals("& Test", root.html());
 
-        read.setHtmlContentAllowed(false);
+        read.setCaptionAsHtml(false);
         root = new Element(Tag.valueOf("vaadin-button"), "");
         read.writeDesign(root, new DesignContext());
         assertEquals("& Test", root.html());

uitest/src/main/java/com/vaadin/tests/components/button/ButtonHtml.java

 
         b = new Button(
                 "<span style=\"color: red; font-weight: bold;\">HTML</span> button");
-        b.setHtmlContentAllowed(true);
+        b.setCaptionAsHtml(true);
         addComponent(b);
 
         final Button swapButton = new Button("<i>Swap button<i>");
 
             @Override
             public void buttonClick(ClickEvent event) {
-                swapButton.setHtmlContentAllowed(
-                        !swapButton.isHtmlContentAllowed());
+                swapButton.setCaptionAsHtml(!swapButton.isCaptionAsHtml());
             }
         });
         addComponent(swapButton);

uitest/src/main/java/com/vaadin/tests/components/nativebutton/NativeButtonHtml.java

 
         b = new NativeButton(
                 "<span style=\"color: red; font-weight: bold;\">HTML</span> button");
-        b.setHtmlContentAllowed(true);
+        b.setCaptionAsHtml(true);
         addComponent(b);
 
         final NativeButton swapButton = new NativeButton("<i>Swap button<i>");
 
             @Override
             public void buttonClick(ClickEvent event) {
-                swapButton.setHtmlContentAllowed(
-                        !swapButton.isHtmlContentAllowed());
+                swapButton.setCaptionAsHtml(!swapButton.isCaptionAsHtml());
             }
         });
         addComponent(swapButton);

uitest/src/main/java/com/vaadin/tests/themes/valo/ValoThemeUI.java

 import com.vaadin.ui.Label;
 import com.vaadin.ui.MenuBar;
 import com.vaadin.ui.MenuBar.MenuItem;
-import com.vaadin.ui.themes.ValoTheme;
 import com.vaadin.ui.Notification;
 import com.vaadin.ui.UI;
+import com.vaadin.ui.themes.ValoTheme;
 import com.vaadin.v7.data.Container;
 import com.vaadin.v7.data.Container.Hierarchical;
 import com.vaadin.v7.data.Item;
         b.setIcon(FontAwesome.TH_LIST);
         b.setPrimaryStyleName(ValoTheme.MENU_ITEM);
         b.addStyleName("selected");
-        b.setHtmlContentAllowed(true);
+        b.setCaptionAsHtml(true);
         menu.addComponent(b);
 
         b = new Button("API");
                 b.setCaption(b.getCaption()
                         + " <span class=\"valo-menu-badge\">123</span>");
             }
-            b.setHtmlContentAllowed(true);
+            b.setCaptionAsHtml(true);
             b.setPrimaryStyleName(ValoTheme.MENU_ITEM);
             b.setIcon(testIcon.get());
             menuItemsLayout.addComponent(b);