app/views/my/_my_page_text_modal.html.erb
<h3 class="title"><%= l(:label_string) %></h3>
<%= form_tag('block_path',
remote: true,
method: :put,
id: 'my-page-text-form') do %>
<div class="my-page-text">
<%= text_area_tag 'my_page_text_area',
'text',
rows: 10,
accesskey: accesskey(:edit),
class: 'wiki-edit',
no_label: true %>
<%= wikitoolbar_for 'my_page_text_area' %>
</div>
<p class="buttons">
<%= submit_tag l(:button_save),
id: 'my-page-text-submit',
name: nil,
onclick: 'hideModal(this);' %>
<%= submit_tag l(:button_cancel),
id: 'my-page-text-cancel',
name: nil,
onclick: 'hideModal(this);',
type: 'button' %>
</p>
<% end %>