scinote-web/app/views/result_assets/_new.html.erb

<div class="well">
  <%= form_for(@result, url: my_module_result_assets_path(format: :json), data: { type: :json }) do |f| %>
    <div id="new-result-assets-select" class="text-center new-asset-box">
      <span>
        <label>
        <h2 class="inline-block"><%= t('assets.drag_n_drop.label_html') %></h2>
          <span class="btn btn-default new-asset-upload-button">
            <span class="fas fa-file-upload new-asset-upload-icon"></span>
            <%= t('assets.drag_n_drop.browse_label') %>
          </span>
          <%= f.file_field :file,
                           id: 'drag-n-drop-assets',
                           class: 'drag-n-drop-file-input',
                           direct_upload: true,
                           multiple: true,
                           onchange: "DragNDropResults.init(this.files);" %>
        </label>
      </span>
    </div>
    <br />
    <div class="align-right">
      <%= f.button t('result_assets.new.create'),
                class: 'btn btn-primary save-result',
                onclick: 'DragNDropResults.processResult(event);',
                data: { href: my_module_result_assets_path(page: params[:page], order: params[:order], format: :json) } %>
      <%= f.button t('general.cancel'),
                   class: 'btn btn-secondary cancel-new',
                   onclick: 'DragNDropResults.destroyAll();',
                   type: 'button '%>

    </div>
  <% end %>
</div>