diff --git a/sites/all/modules/gui/idmaterio/idmaterio.info b/sites/all/modules/gui/idmaterio/idmaterio.info
new file mode 100644
index 00000000..f1a2418b
--- /dev/null
+++ b/sites/all/modules/gui/idmaterio/idmaterio.info
@@ -0,0 +1,29 @@
+name = Idmaterio
+description = "The description of this module"
+
+; Core version (required)
+core = 7.x
+
+; Package name (see http://drupal.org/node/542202 for a list of names)
+; package = 
+
+; PHP version requirement (optional)
+; php = 5.2
+
+; Loadable code files
+; files[] = idmaterio.module
+; files[] = idmaterio.admin.inc
+; files[] = idmaterio.class.inc
+
+; Module dependencies
+; dependencies[] = mymodule
+; dependencies[] = theirmodule (1.2)
+; dependencies[] = anothermodule (>=2.4)
+; dependencies[] = views (3.x)
+
+; Configuration page
+; configure = admin/config/idmaterio
+
+
+; For further information about configuration options, see
+; - http://drupal.org/node/542202
diff --git a/sites/all/modules/gui/idmaterio/idmaterio.module b/sites/all/modules/gui/idmaterio/idmaterio.module
new file mode 100644
index 00000000..a474c545
--- /dev/null
+++ b/sites/all/modules/gui/idmaterio/idmaterio.module
@@ -0,0 +1,121 @@
+<?php
+/**
+ * @file
+ * This is the file description for Idmaterio module.
+ *
+ * In this more verbose, multi-line description, you can specify what this
+ * file does exactly. Make sure to wrap your documentation in column 78 so
+ * that the file can be displayed nicely in default-sized consoles.
+ */
+
+
+function computed_field_field_identifiant_compute(&$entity_field, $entity_type, $entity, $field, $instance, $langcode, $items) {
+	// dsm('-- computed --');
+	// dsm($entity_field, '$entity_field');
+	// dsm($entity_type, '$entity_type');
+	// dsm($entity, '$entity');
+	// dsm($field, '$field');
+	// dsm($instance, '$instance');
+	// dsm($items, '$items');
+
+	// dsm($entity_field[0]['value'], 'entity_field value');
+	
+	if (!empty($entity_field[0]['value'])) {  // the node is not new
+
+	  return $entity_field[0]['value'];
+	}
+	else {  // the node is new
+	  // get all same entities in same family
+		$query = new EntityFieldQuery();
+		$query
+			->entityCondition('entity_type', $entity_type)
+			->entityCondition('bundle', $entity->type)
+			->fieldCondition('field_famille', 'value', $entity->field_famille['und'][0]['value']);
+		$result = $query->execute();
+		if(is_array($result[$entity_type])){
+			$entities = entity_load($entity_type, array_keys($result[$entity_type]));
+
+			// get identifiants fo these entities
+			$ids = array();
+			foreach ($entities as $id => $e) {
+				$identifiant = field_view_field($entity_type, $e, 'field_identifiant');
+				$ids[] = $identifiant[0]['#markup'] ? intval($identifiant[0]['#markup']) : 0;
+			}
+			sort($ids);
+
+			$value = strval(array_pop($ids) + 1);
+		}else{
+			$value = '1';
+		}
+
+		// parse the value to a string as 0023 or 4458 or 0001
+		$value_parts = str_split($value);
+		while (count($value_parts) < 4) {
+			array_unshift($value_parts, "0");
+		}
+
+			// record the result
+			$entity_field[0]['value'] = implode('', $value_parts);
+	}
+}
+
+function computed_field_field_identifiant_display($field, $entity_field_item, $entity_lang = "en", $langcode = "en") {
+	return $entity_field_item['value'];
+}
+
+function computed_field_field_reference_materio_compute(&$entity_field, $entity_type, $entity, $field, $instance, $langcode, $items) {
+	// dsm('-- computed --');
+	// 	dsm($entity_field, '$entity_field');
+	// 	dsm($entity_type, '$entity_type');
+	// 	dsm($entity, '$entity');
+	// 	dsm($field, '$field');
+	// 	dsm($instance, '$instance');
+	// 	dsm($items, '$items');
+	if (!empty($entity_field[0]['value'])) {  // the node is not new
+	  return $entity_field[0]['value'];
+	}
+	else {  // the node is new
+		$entity_field[0]['value'] = $entity->field_famille['und'][0]['value'].'-'.$entity->field_identifiant['und'][0]['value'];
+	}
+	
+}
+
+function computed_field_field_reference_materio_display($field, $entity_field_item, $entity_lang = "en", $langcode = "en") {
+	return $entity_field_item['value'];
+}
+
+/**
+ * Implements hook_form_alter().
+ */
+function idmaterio_form_alter(&$form, &$form_state, $form_id) {
+	if($form_id == "materiau_node_form"){
+		// dsm($form, '$form');
+		// dsm($form_state, '$form_state');
+		$ref = $form['field_reference_materio']['und'][0]['value']['#default_value'];
+		if($ref != ''){
+			$title = t('Edit').' '.$form['title']['#default_value'].' ('.$form['type']['#value'].' '.$ref.')';
+			// dsm($title, '$title');
+
+			drupal_set_title($title);
+
+			$form['reference'] = array(
+			  '#markup' => t('Materio Reference').' : <span>'.$ref.'</span>',
+			  '#prefix' => '<div class="form-item materio-ref">',
+			  '#suffix' => '</div>',
+			);
+			$form['reference']['#placement'] = array(
+		    'region' => 'right',
+		    'weight' => 0,
+		    'has_required' => FALSE,
+		    'hidden' => FALSE,
+		  );
+		
+			// dsm(synonyms_get_synonyms(4346), 'synonyms_get_synonyms');
+			// dsm(synonyms_get_synonym_root('fenouille'), 'synonyms_get_synonym_root');
+			//dsm(synonyms_node_update_index($form['#node']));
+		
+		}
+		
+	}
+}
+