<li class="nav-item">
<button type="button" class="nav-link" data-bs-toggle="tab" data-bs-target="#<%= id %>_preview"><%= t(".preview") %></button>
</li>
- <li class="nav-item">
+ <li class="nav-item d-block d-sm-none">
<button type="button" class="nav-link" data-bs-toggle="tab" data-bs-target="#<%= id %>_help"><%= t(".help") %></button>
</li>
</ul>
<div id="<%= id %>_edit" class="tab-pane show active">
<%= builder.text_area(attribute, options.merge(:wrapper => false, "data-preview-url" => preview_url(:type => type))) %>
</div>
- <div id="<%= id %>_preview" class="tab-pane richtext text-break"></div>
+ <div id="<%= id %>_preview" class="tab-pane">
+ <div class="richtext_placeholder text-center py-5" hidden>
+ <div class="spinner-border" role="status">
+ <span class="visually-hidden"><%= t("browse.start_rjs.loading") %></span>
+ </div>
+ </div>
+ <div class="richtext text-break"></div>
+ </div>
<div id="<%= id %>_help" class="tab-pane">
<div class="card bg-body-tertiary h-100">
<div class="card-body">
</div>
</div>
</div>
- <aside class="col-sm-4 d-none d-sm-block"></aside>
+ <aside class="col-sm-4 d-none d-sm-block richtext_help_sidebar"></aside>
</div>
</div>