diff --git a/lib/classes/module/prod/route/records/edit.class.php b/lib/classes/module/prod/route/records/edit.class.php
index c7dd2df9f0..13f6112e5e 100644
--- a/lib/classes/module/prod/route/records/edit.class.php
+++ b/lib/classes/module/prod/route/records/edit.class.php
@@ -59,9 +59,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
    * @var boolean
    */
   protected $works_on_unique_sbas = true;
-  protected $has_thesaurus = false;
-
-
+  protected $has_thesaurus        = false;
 
   public function __construct(Symfony\Component\HttpFoundation\Request $request)
   {
@@ -72,7 +70,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
 
     if ($this->is_single_grouping())
     {
-      $record = array_pop($this->selection->get_elements());
+      $record   = array_pop($this->selection->get_elements());
       $children = $record->get_children();
       foreach ($children as $child)
       {
@@ -85,9 +83,9 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     if ($this->is_possible())
     {
       $this->generate_javascript_fields()
-              ->generate_javascript_sugg_values()
-              ->generate_javascript_status()
-              ->generate_javascript_elements();
+        ->generate_javascript_sugg_values()
+        ->generate_javascript_status()
+        ->generate_javascript_elements();
     }
 
     return $this;
@@ -181,19 +179,19 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
   protected function generate_javascript_elements()
   {
     $_lst = array();
-    $appbox = appbox::get_instance();
+    $appbox  = appbox::get_instance();
     $session = $appbox->get_session();
-    $user = User_Adapter::getInstance($session->get_usr_id(), $appbox);
-    $twig = new supertwig();
+    $user    = User_Adapter::getInstance($session->get_usr_id(), $appbox);
+    $twig    = new supertwig();
 
     foreach ($this->selection as $record)
     {
-      $indice = $record->get_number();
+      $indice        = $record->get_number();
       $_lst[$indice] = array(
-          'bid' => $record->get_base_id(),
-          'rid' => $record->get_record_id(),
-          'sselcont_id' => null,
-          '_selected' => false
+        'bid'         => $record->get_base_id(),
+        'rid'         => $record->get_record_id(),
+        'sselcont_id' => null,
+        '_selected'   => false
       );
 
       $_lst[$indice]['statbits'] = array();
@@ -201,12 +199,12 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
       {
         foreach ($this->javascript_status as $n => $s)
         {
-          $tmp_val = substr(strrev($record->get_status()), $n, 1);
+          $tmp_val                                = substr(strrev($record->get_status()), $n, 1);
           $_lst[$indice]['statbits'][$n]['value'] = ($tmp_val == '1') ? '1' : '0';
           $_lst[$indice]['statbits'][$n]['dirty'] = false;
         }
       }
-      $_lst[$indice]['fields'] = array();
+      $_lst[$indice]['fields']                = array();
       $_lst[$indice]['originalname'] = '';
 
       $_lst[$indice]['originalname'] = $record->get_original_name();
@@ -220,22 +218,22 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
         }
 
         $_lst[$indice]['fields'][$meta_struct_id] = array(
-            'dirty' => false,
-            'meta_id' => $field->get_meta_id(),
-            'meta_struct_id' => $meta_struct_id,
-            'value' => $field->get_value()
+          'dirty'          => false,
+          'meta_id'        => $field->get_meta_id(),
+          'meta_struct_id' => $meta_struct_id,
+          'value'          => $field->get_value()
         );
       }
 
-      $_lst[$indice]['subdefs'] = array('thumbnail' => null, 'preview' => null);
+      $_lst[$indice]['subdefs'] = array('thumbnail' => null, 'preview'   => null);
 
       $thumbnail = $record->get_thumbnail();
 
 
       $_lst[$indice]['subdefs']['thumbnail'] = array(
-          'url' => $thumbnail->get_url()
-          , 'w' => $thumbnail->get_width()
-          , 'h' => $thumbnail->get_height()
+        'url' => $thumbnail->get_url()
+        , 'w'   => $thumbnail->get_width()
+        , 'h'   => $thumbnail->get_height()
       );
 
       $_lst[$indice]['preview'] = $twig->render('common/preview.html', array('record' => $record));
@@ -246,7 +244,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
       }
       catch (Exception $e)
       {
-
+        
       }
       $_lst[$indice]['type'] = $record->get_type();
     }
@@ -268,16 +266,16 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     foreach ($this->selection as $record)
     {
       /* @var $record record_adapter */
-      $base_id = $record->get_base_id();
+      $base_id   = $record->get_base_id();
       $record_id = $record->get_record_id();
-      $databox = $record->get_databox();
+      $databox   = $record->get_databox();
 
       if (isset($done[$base_id]))
         continue;
 
       $T_sgval['b' . $base_id] = array();
       $collection = collection::get_from_base_id($base_id);
-      
+
       if ($sxe = simplexml_load_string($collection->get_prefs()))
       {
         $z = $sxe->xpath('/baseprefs/sugestedValues');
@@ -287,7 +285,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
 
         foreach ($z[0] as $ki => $vi) // les champs
         {
-        
+
           $field = $databox->get_meta_structure()->get_element_by_name($ki);
           if (!$field)
             continue; // champ inconnu dans la structure ?
@@ -298,12 +296,12 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
           foreach ($vi->value as $oneValue) // les valeurs sug
           {
             $T_sgval['b' . $base_id][$field->get_id()][] =
-                    (string) $oneValue;
+              (string) $oneValue;
           }
         }
       }
       unset($collection);
-      $done[$base_id] = true;
+      $done[$base_id]                              = true;
     }
     $this->javascript_sugg_values = $T_sgval;
 
@@ -318,9 +316,9 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
   protected function generate_javascript_status()
   {
     $_tstatbits = array();
-    $appbox = appbox::get_instance();
+    $appbox  = appbox::get_instance();
     $session = $appbox->get_session();
-    $user = User_Adapter::getInstance($session->get_usr_id(), $appbox);
+    $user    = User_Adapter::getInstance($session->get_usr_id(), $appbox);
 
     if ($user->ACL()->has_right('changestatus'))
     {
@@ -330,11 +328,11 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
         foreach ($status[$this->get_sbas_id()] as $n => $statbit)
         {
           $_tstatbits[$n] = array();
-          $_tstatbits[$n]['label0'] = $statbit['labeloff'];
-          $_tstatbits[$n]['label1'] = $statbit['labelon'];
+          $_tstatbits[$n]['label0']  = $statbit['labeloff'];
+          $_tstatbits[$n]['label1']  = $statbit['labelon'];
           $_tstatbits[$n]['img_off'] = $statbit['img_off'];
-          $_tstatbits[$n]['img_on'] = $statbit['img_on'];
-          $_tstatbits[$n]['_value'] = 0;
+          $_tstatbits[$n]['img_on']  = $statbit['img_on'];
+          $_tstatbits[$n]['_value']  = 0;
         }
       }
     }
@@ -351,11 +349,11 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
    */
   protected function generate_javascript_fields()
   {
-    $_tfields = $fields = array();
+    $_tfields = $fields   = array();
 
     $this->has_thesaurus = false;
 
-    $databox = databox::get_instance($this->get_sbas_id());
+    $databox     = databox::get_instance($this->get_sbas_id());
     $meta_struct = $databox->get_meta_structure();
 
     foreach ($meta_struct as $meta)
@@ -376,19 +374,19 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     switch ($meta->get_type())
     {
       case 'datetime':
-        $format = _('phraseanet::technique::datetime-edit-format');
+        $format  = _('phraseanet::technique::datetime-edit-format');
         $explain = _('phraseanet::technique::datetime-edit-explain');
         break;
       case 'date':
-        $format = _('phraseanet::technique::date-edit-format');
+        $format  = _('phraseanet::technique::date-edit-format');
         $explain = _('phraseanet::technique::date-edit-explain');
         break;
       case 'time':
-        $format = _('phraseanet::technique::time-edit-format');
+        $format  = _('phraseanet::technique::time-edit-format');
         $explain = _('phraseanet::technique::time-edit-explain');
         break;
       default:
-        $format = $explain = "";
+        $format  = $explain = "";
         break;
     }
 
@@ -398,22 +396,22 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     $separator = $meta->get_separator();
 
     $datas = array(
-        'meta_struct_id' => $meta->get_id()
-        , 'name' => $meta->get_name()
-        , '_status' => 0
-        , '_value' => ''
-        , '_sgval' => array()
-        , 'required' => $meta->is_required()
-        , 'readonly' => $meta->is_readonly()
-        , 'type' => $meta->get_type()
-        , 'format' => $format
-        , 'explain' => $explain
-        , 'tbranch' => $meta->get_tbranch()
-        , 'maxLength' => $meta->get_source()->maxlength()
-        , 'minLength' => $meta->get_source()->minLength()
-        , 'regfield' => $regfield
-        , 'multi' => $meta->is_multi()
-        , 'separator' => $separator
+      'meta_struct_id' => $meta->get_id()
+      , 'name'           => $meta->get_name()
+      , '_status'        => 0
+      , '_value'         => ''
+      , '_sgval'         => array()
+      , 'required'  => $meta->is_required()
+      , 'readonly'  => $meta->is_readonly()
+      , 'type'      => $meta->get_type()
+      , 'format'    => $format
+      , 'explain'   => $explain
+      , 'tbranch'   => $meta->get_tbranch()
+      , 'maxLength' => $meta->get_source()->maxlength()
+      , 'minLength' => $meta->get_source()->minLength()
+      , 'regfield'  => $regfield
+      , 'multi'     => $meta->is_multi()
+      , 'separator' => $separator
     );
 
     if (trim($meta->get_tbranch()) !== '')
@@ -435,7 +433,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     {
       try
       {
-        $reg_record = $this->get_grouping_head();
+        $reg_record  = $this->get_grouping_head();
         $reg_sbas_id = $reg_record->get_sbas_id();
 
         $newsubdef_reg = new record_adapter($reg_sbas_id, $request->get('newrepresent'));
@@ -445,7 +443,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
 
         foreach ($newsubdef_reg->get_subdefs() as $name => $value)
         {
-          $pathfile = $value->get_pathfile();
+          $pathfile    = $value->get_pathfile();
           $system_file = new system_file($pathfile);
           $reg_record->substitute_subdef($name, $system_file);
         }
@@ -457,14 +455,13 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
     }
 
     if (!is_array($request->get('mds')))
-
       return $this;
 
-    $sbas_id = (int) $request->get('sbid');
-    $databox = databox::get_instance($sbas_id);
-    $meta_struct = $databox->get_meta_structure();
+    $sbas_id       = (int) $request->get('sbid');
+    $databox       = databox::get_instance($sbas_id);
+    $meta_struct   = $databox->get_meta_structure();
     $write_edit_el = false;
-    $date_obj = new DateTime();
+    $date_obj      = new DateTime();
     foreach ($meta_struct->get_elements() as $meta_struct_el)
     {
       if ($meta_struct_el->get_metadata_namespace() == "PHRASEANET" && $meta_struct_el->get_metadata_tagname() == 'tf-editdate')
@@ -490,7 +487,7 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
       if (!array_key_exists($key, $elements))
         continue;
 
-      $statbits = $rec['status'];
+      $statbits  = $rec['status'];
       $editDirty = $rec['edit'];
 
       if ($editDirty == '0')
@@ -500,7 +497,21 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
 
       if (is_array($rec['metadatas']))
       {
-        $record->set_metadatas($rec['metadatas']);
+        try
+        {
+          $db_field = \databox_field::get_instance($databox, $rec['metadatas']['meta_struct_id']);
+
+          if ($db_field->is_readonly())
+          {
+            throw new \Exception('Can not write a readonly field');
+          }
+
+          $record->set_metadatas($rec['metadatas']);
+        }
+        catch (\Exception $e)
+        {
+          
+        }
       }
 
       if ($write_edit_el instanceof databox_field)
@@ -509,22 +520,22 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
         $field = array_pop($fields);
 
         $metas = array(
-            array(
-                'meta_struct_id' => $write_edit_el->get_id()
-                , 'meta_id' => ($field ? $field->get_meta_id() : null)
-                , 'value' => array($date_obj->format('Y-m-d h:i:s'))
-            )
+          array(
+            'meta_struct_id' => $write_edit_el->get_id()
+            , 'meta_id'        => ($field ? $field->get_meta_id() : null)
+            , 'value'          => array($date_obj->format('Y-m-d h:i:s'))
+          )
         );
 
         $record->set_metadatas($metas);
       }
 
-      $newstat = $record->get_status();
+      $newstat  = $record->get_status();
       $statbits = ltrim($statbits, 'x');
       if (!in_array($statbits, array('', 'null')))
       {
         $mask_and = ltrim(str_replace(
-                        array('x', '0', '1', 'z'), array('1', 'z', '0', '1'), $statbits), '0');
+            array('x', '0', '1', 'z'), array('1', 'z', '0', '1'), $statbits), '0');
         if ($mask_and != '')
           $newstat = databox_status::operation_and_not($newstat, $mask_and);
 
@@ -541,14 +552,14 @@ class module_prod_route_records_edit extends module_prod_route_records_abstract
       if ($statbits != '')
       {
         $appbox->get_session()
-                ->get_logger($record->get_databox())
-                ->log($record, Session_Logger::EVENT_STATUS, '', '');
+          ->get_logger($record->get_databox())
+          ->log($record, Session_Logger::EVENT_STATUS, '', '');
       }
       if ($editDirty)
       {
         $appbox->get_session()
-                ->get_logger($record->get_databox())
-                ->log($record, Session_Logger::EVENT_EDIT, '', '');
+          ->get_logger($record->get_databox())
+          ->log($record, Session_Logger::EVENT_EDIT, '', '');
       }
     }
 
diff --git a/templates/web/prod/actions/edit_default.twig b/templates/web/prod/actions/edit_default.twig
index 7d4c3854da..15d2416a52 100644
--- a/templates/web/prod/actions/edit_default.twig
+++ b/templates/web/prod/actions/edit_default.twig
@@ -69,17 +69,19 @@
   {% endif %}
   {% for field in editing.get_fields() %}
     {% set i = field.get_id() %}
-    <div class="edit_field" id="EditFieldBox_{{i}}" onclick="return(edit_mdwn_fld(event, {{i}}, '{{field.get_name()}}'));" >
-      <img id="editSGtri_{{i}}" style="visibility:hidden;" src="/skins/prod/{{cssfile}}/images/suggested.gif" />
-      <img src="/skins/icons/info.gif" tooltipsrc="/prod/tooltip/metas/FieldInfos/{{field.get_databox().get_sbas_id()}}/{{field.get_id()}}/" class="fieldTips" alt=""/>
-      {% if field.get_dces_element %}
-      <img src="/skins/icons/dublincore.png" tooltipsrc="/prod/tooltip/DCESInfos/{{field.get_databox().get_sbas_id()}}/{{field.get_id()}}/" alt="{% trans 'Ce champ est decrit comme un element DublinCore' %}" class="DCESTips" alt=""/>
-      {% endif %}
-      <span id="spanidEditFieldBox_{{i}}">
-        {{field.get_name()}} {% if field.is_required() %}<span style="font-weight:bold;font-size:16px;"> * </span>{% endif %} :
-      </span>
-      <span class="fieldvalue" id="idEditField_{{i}}" >???</span>
-    </div>
+    {% if field.is_readonly() is empty %}
+      <div class="edit_field" id="EditFieldBox_{{i}}" onclick="return(edit_mdwn_fld(event, {{i}}, '{{field.get_name()}}'));" >
+        <img id="editSGtri_{{i}}" style="visibility:hidden;" src="/skins/prod/{{cssfile}}/images/suggested.gif" />
+        <img src="/skins/icons/info.gif" tooltipsrc="/prod/tooltip/metas/FieldInfos/{{field.get_databox().get_sbas_id()}}/{{field.get_id()}}/" class="fieldTips" alt=""/>
+        {% if field.get_dces_element %}
+        <img src="/skins/icons/dublincore.png" tooltipsrc="/prod/tooltip/DCESInfos/{{field.get_databox().get_sbas_id()}}/{{field.get_id()}}/" alt="{% trans 'Ce champ est decrit comme un element DublinCore' %}" class="DCESTips" alt=""/>
+        {% endif %}
+        <span id="spanidEditFieldBox_{{i}}">
+          {{field.get_name()}} {% if field.is_required() %}<span style="font-weight:bold;font-size:16px;"> * </span>{% endif %} :
+        </span>
+        <span class="fieldvalue" id="idEditField_{{i}}" >???</span>
+      </div>
+    {% endif %}
   {% endfor %}
 {% endmacro %}