labs: show a text that there are no active labs settings

rhodecode/templates/admin/settings/settings_labs.html

@@ -1,54 +1,58 b''
 <div class="panel panel-default">
     <div class="panel-heading">
         <h3 class="panel-title">${_('Labs Settings')}</h3>
     </div>
     <div class="panel-body">
         ${h.secure_form(url('admin_settings_labs'), method='post')}
           <div class="form">
             <div class="fields">
+              % if not c.lab_settings:
+                ${_('There are no Labs settings currently')}
+              % else:
               % for lab_setting in c.lab_settings:
               <div class="field">
                 <div class="label">
                   <label>${lab_setting.group}:</label>
                 </div>
                 % if lab_setting.type == 'bool':
                   <div class="checkboxes">
                     <div class="checkbox">
                       ${h.checkbox(lab_setting.key, 'True')}
                       % if lab_setting.label:
                         <label for="${lab_setting.key}">${lab_setting.label}</label>
                       % endif
                     </div>
                     % if lab_setting.help:
                       <p class="help-block">${lab_setting.help}</p>
                     % endif
                   </div>
                 % else:
                   <div class="input">
                     ${h.text(lab_setting.key, size=60)}
 
                     ## TODO: johbo: This style does not yet exist for our forms,
                     ## the lab settings seem not to adhere to the structure which
                     ## we use in other places.
                     % if lab_setting.label:
                       <label for="${lab_setting.key}">${lab_setting.label}</label>
                     % endif
 
                     % if lab_setting.help:
                       <p class="help-block">${lab_setting.help}</p>
                     % endif
                   </div>
                 % endif
               </div>
               % endfor
               <div class="buttons">
                 ${h.submit('save', _('Save settings'), class_='btn')}
                 ${h.reset('reset', _('Reset'), class_='btn')}
               </div>
+              % endif
             </div>
           </div>
         ${h.end_form()}
     </div>
 </div>