lib/lurker/templates/lurker/rendering/_param_form_element.html.erb
<div className="form-group">
<label className="control-label col-sm-3" htmlFor="<%= label %>"><%= defined?(label_text) ? label_text : label %></label>
<div className="col-sm-9">
<% if value === :file %>
<input type="file" name="<%= label %>" ></input>
<% else %>
<input type="text" name="<%= label %>" defaultValue="<%= value.to_s %>" valueLink={this.linkState('payload.<%= accessor %>')} className="form-control"></input>
<% end %>
</div>
</div>