fav.setIcon(testIcon.get());
fav.setStyleName("icon-only");
fav.setCheckable(true);
fav.setCheckable(true);
menubar.addItem("Attach", click).setIcon(FontAwesome.PAPERCLIP);
menubar.addItem("Undo", click).setIcon(FontAwesome.UNDO);
MenuItem redo = menubar.addItem("Redo", click);
redo.setIcon(FontAwesome.REPEAT);
redo.setEnabled(false);
menubar.addItem("Upload", click).setIcon(FontAwesome.UPLOAD);