Improve LSldapObject::getDisplayValue() method to match with getValue() method's parameters

src/includes/class/class.LSattribute.php

@@ -256,15 +256,9 @@ class LSattribute extends LSlog_staticLoggerClass {
       return false;
     }
 
-    if ($data !== false) {
-      $data = $this -> ldap -> getDisplayValue($data);
-    }
-    elseif ($this -> isUpdate()) {
-      $data = $this -> ldap -> getDisplayValue($this -> updateData);
-    }
-    else {
-      $data = $this -> ldap -> getDisplayValue($this -> data);
-    }
+    $data = $this -> ldap -> getDisplayValue(
+      $data !== false ? $data : $this -> getValue()
+    );
 
     $onDisplay = $this -> getConfig('onDisplay');
     if ($onDisplay) {

src/includes/class/class.LSldapObject.php

@@ -1079,24 +1079,29 @@ class LSldapObject extends LSlog_staticLoggerClass {
   }
 
   /**
-   * Retourne une valeur d'affichage de l'objet
+   * Return an objet displayed value
+   *
+   * The value returned depends of the $val parameter. If the requested value is unknown, the returned value
+   * will be $default (default: a space caracter = ' ').
+   *
+   * Supported values:
+   * - [attribute name] : the displayed value of the corresponding attribute
    *
    * @author Benjamin Renard <brenard@easter-eggs.com>
    *
-   * @param string $val Le nom de la valeur demandee
+   * @param string $val The requested value
+   * @param boolean $first If true and the result is an array, return only the first value (optional, default: false)
+   * @param string $default Default value if unknown (optional, default: a space caracter = ' ')
    *
-   * @return string la valeur demandee ou ' ' si celle-ci est inconnue.
+   * @return mixed The requested value or $default if unknown
    */
-  public function getDisplayValue($val) {
-    if(isset($this ->  attrs[$val])){
-      if (method_exists($this ->  attrs[$val],'getDisplayValue'))
-        return $this -> attrs[$val] -> getDisplayValue();
-      else
-        return ' ';
-    }
-    else {
-      return $this -> getValue($val);
-    }
+  public function getDisplayValue($val, $first=false, $default=' ') {
+    $return = $default;
+    if(isset($this -> attrs[$val]) && method_exists($this -> attrs[$val], 'getDisplayValue'))
+      $return = ensureIsArray($this -> attrs[$val] -> getDisplayValue());
+    if (is_array($return) && $first)
+      $return = (count($return) >= 1?$return[0]:null);
+    return $return;
   }
 
   /**