app/views/spaces/_setting_delete.erb
<div class="panel panel-default">
<div class="panel-heading"><b>Delete namespace</b></div>
<div class="panel-body">
<small>Do you need delete all the projects or transfer they to other account.</small>
<%= form_for @space, url: '/' + param_user + '/' + @space.name + '/setting/delete', method: :delete do |f| %>
<div class="form-group">
<%= div_for(@space, class: 'form-group col-lg-9') do %>
<button type="button" class="btn btn-danger" data-toggle="modal" data-target="#myModal">
Delete
</button>
<%end%>
</div>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel">Confirm delete</h4>
</div>
<div class="modal-body">
<label>Enter your namespace to confirm </label>
<div>
<%= f.text_field :name, class: 'form-control', placeholder: 'Name', value: '' %>
</div>
</div>
<div class="modal-footer">
<%= submit_tag 'Comfirmation', class: 'btn btn-danger' %>
</div>
</div>
</div>
</div>
<%end%>
</div>
</div>