_form.html.erb

<%= form_for(suggestion, url: url) do |f| %>
  <div class='form-group'>
    <%= f.text_field :title, placeholder: "#{t('suggestions.card._form.title_placeholder')}", class: 'form-control input-lg' %>
  </div>

  <div class='form-group'>
    <%= f.text_area :description, placeholder: "#{t('suggestions.card._form.description_placeholder')}", class: 'form-control', rows: 4 %>
  </div>

  <div class='row'>
    <div class='col-sm-8'>
      <div class='input-switch' ng-switch='suggestion_link' ng-init='suggestion=<%= suggestion.link.present? %>'>
        <div ng-hide='suggestion_link' ng-click="suggestion_link=true" class='media'>
          <div class='media-left'>
            <span class="fa-stack">
              <i class="fa fa-stack-2x fa-circle-thin"></i>
              <i class="fa fa-stack-1x fa-plus"></i>
            </span>
          </div>
          <div class='media-body'>
            <span class='help-text'><%= t('suggestions.card._form.link_description') %></span>
          </div>
        </div>

        <div ng-show='suggestion_link' class='form-group'>
          <%= f.text_field :link, placeholder: "#{t('suggestions.card._form.url')}", class: 'form-control' %>
          <span class='help-block'><%= t('suggestions.card._form.link_placeholder') %></span>
        </div>
      </div>
    </div>

    <div class='col-sm-2 col-xs-6'>
      <%= link_to "#{t('suggestions.card._form.cancel')}", '#', class: 'btn btn-rounded btn-sm btn-block btn-default', "ng-click" => cancel_path, onclick: 'return false;' %>
    </div>

    <div class='col-sm-2 col-xs-6'>
      <%= f.submit submit_text, class: 'btn btn-rounded btn-sm btn-block btn-info' %>
    </div>
  </div>
<% end %>