private Component createContentWrapper(final Component content) {
    final CssLayout slot = new CssLayout();
    slot.setWidth("100%");
    slot.addStyleName("dashboard-panel-slot");
    slot.addStyleName("max");

    CssLayout card = new CssLayout();
    card.setWidth("100%");
    card.addStyleName(ValoTheme.LAYOUT_CARD);

    Label caption = new Label(content.getCaption());
    caption.addStyleName(ValoTheme.LABEL_H4);
    caption.addStyleName(ValoTheme.LABEL_COLORED);
    caption.addStyleName(ValoTheme.LABEL_NO_MARGIN);
    content.setCaption(null);

    card.addComponents(content);
    slot.addComponent(card);
    return slot;
  }
  private Component createContentWrapper(final Component content) {
    final CssLayout slot = new CssLayout();
    slot.setWidth("100%");
    slot.addStyleName("dashboard-panel-slot");

    CssLayout card = new CssLayout();
    card.setWidth("100%");
    card.addStyleName(ValoTheme.LAYOUT_CARD);

    HorizontalLayout toolbar = new HorizontalLayout();
    toolbar.addStyleName("dashboard-panel-toolbar");
    toolbar.setWidth("100%");
    toolbar.setSpacing(false);

    Label caption = new Label(content.getCaption());
    caption.addStyleName(ValoTheme.LABEL_H4);
    caption.addStyleName(ValoTheme.LABEL_COLORED);
    caption.addStyleName(ValoTheme.LABEL_NO_MARGIN);
    content.setCaption(null);

    MenuBar tools = new MenuBar();
    tools.addStyleName(ValoTheme.MENUBAR_BORDERLESS);
    MenuItem max =
        tools.addItem(
            "",
            FontAwesome.EXPAND,
            new Command() {

              @Override
              public void menuSelected(final MenuItem selectedItem) {
                if (!slot.getStyleName().contains("max")) {
                  selectedItem.setIcon(FontAwesome.COMPRESS);
                  toggleMaximized(slot, true);
                } else {
                  slot.removeStyleName("max");
                  selectedItem.setIcon(FontAwesome.EXPAND);
                  toggleMaximized(slot, false);
                }
              }
            });
    max.setStyleName("icon-only");
    MenuItem root = tools.addItem("", FontAwesome.COG, null);
    root.addItem(
        "Configure",
        new Command() {
          @Override
          public void menuSelected(final MenuItem selectedItem) {
            Notification.show("Not implemented in this demo");
          }
        });
    root.addSeparator();
    root.addItem(
        "Close",
        new Command() {
          @Override
          public void menuSelected(final MenuItem selectedItem) {
            Notification.show("Not implemented in this demo");
          }
        });

    toolbar.addComponents(caption, tools);
    toolbar.setExpandRatio(caption, 1);
    toolbar.setComponentAlignment(caption, Alignment.MIDDLE_LEFT);

    card.addComponents(toolbar, content);
    slot.addComponent(card);
    return slot;
  }