function post_addItem()
 {
     global $DB, $LANG;
     // Get netpoint for $sport and $dport
     $sport = $this->fields['networkports_id_1'];
     $dport = $this->fields['networkports_id_2'];
     $ps = new NetworkPort();
     if (!$ps->getFromDB($sport)) {
         return false;
     }
     $pd = new NetworkPort();
     if (!$pd->getFromDB($dport)) {
         return false;
     }
     // Check netpoint for copy
     $source = "";
     $destination = "";
     if (isset($ps->fields['netpoints_id']) && $ps->fields['netpoints_id'] != 0) {
         $source = $ps->fields['netpoints_id'];
     }
     if (isset($pd->fields['netpoints_id']) && $pd->fields['netpoints_id'] != 0) {
         $destination = $pd->fields['netpoints_id'];
     }
     // Update Item
     $updates[0] = 'netpoints_id';
     if (empty($source) && !empty($destination)) {
         $ps->fields['netpoints_id'] = $destination;
         $ps->updateInDB($updates);
         addMessageAfterRedirect($LANG['connect'][15] . " : " . $LANG['networking'][51]);
     } else {
         if (!empty($source) && empty($destination)) {
             $pd->fields['netpoints_id'] = $source;
             $pd->updateInDB($updates);
             addMessageAfterRedirect($LANG['connect'][15] . " : " . $LANG['networking'][51]);
         } else {
             if ($source != $destination) {
                 addMessageAfterRedirect($LANG['connect'][16] . " : " . $LANG['networking'][51]);
             }
         }
     }
     // Manage VLAN : use networkings one as defaults
     $npnet = -1;
     $npdev = -1;
     if ($ps->fields["itemtype"] != 'NetworkEquipment' && $pd->fields["itemtype"] == 'NetworkEquipment') {
         $npnet = $dport;
         $npdev = $sport;
     }
     if ($pd->fields["itemtype"] != 'NetworkEquipment' && $ps->fields["itemtype"] == 'NetworkEquipment') {
         $npnet = $sport;
         $npdev = $dport;
     }
     if ($npnet > 0 && $npdev > 0) {
         // Get networking VLAN
         // Unset MAC and IP from networking device
         $query = "SELECT *\n                   FROM `glpi_networkports_vlans`\n                   WHERE `networkports_id` = '{$npnet}'";
         if ($result = $DB->query($query)) {
             if ($DB->numrows($result) > 0) {
                 // Found VLAN : clean vlan device and add found ones
                 $query = "DELETE\n                         FROM `glpi_networkports_vlans`\n                         WHERE `networkports_id` = '{$npdev}' ";
                 $DB->query($query);
                 while ($data = $DB->fetch_array($result)) {
                     $query = "INSERT INTO `glpi_networkports_vlans`\n                                   (`networkports_id`, `vlans_id`)\n                            VALUES ('{$npdev}', '" . $data['vlans_id'] . "')";
                     $DB->query($query);
                 }
             }
         }
     }
     // end manage VLAN
     // Manage History
     $sourcename = NOT_AVAILABLE;
     $destname = NOT_AVAILABLE;
     $sourcehistory = false;
     $desthistory = false;
     if (class_exists($ps->fields['itemtype'])) {
         $sourceitem = new $ps->fields['itemtype']();
         if ($sourceitem->getFromDB($ps->fields['items_id'])) {
             $sourcename = $sourceitem->getName();
             $sourcehistory = $sourceitem->dohistory;
         }
     }
     if (class_exists($pd->fields['itemtype'])) {
         $destitem = new $pd->fields['itemtype']();
         if ($destitem->getFromDB($pd->fields['items_id'])) {
             $destname = $destitem->getName();
             $desthistory = $destitem->dohistory;
         }
     }
     $changes[0] = 0;
     $changes[1] = "";
     if ($sourcehistory) {
         $changes[2] = $destname;
         if ($ps->fields["itemtype"] == 'NetworkEquipment') {
             $changes[2] = "#" . $ps->fields["name"] . " > " . $changes[2];
         }
         if ($pd->fields["itemtype"] == 'NetworkEquipment') {
             $changes[2] = $changes[2] . " > #" . $pd->fields["name"];
         }
         Log::history($ps->fields["items_id"], $ps->fields["itemtype"], $changes, $pd->fields["itemtype"], HISTORY_CONNECT_DEVICE);
     }
     if ($desthistory) {
         $changes[2] = $sourcename;
         if ($pd->fields["itemtype"] == 'NetworkEquipment') {
             $changes[2] = "#" . $pd->fields["name"] . " > " . $changes[2];
         }
         if ($ps->fields["itemtype"] == 'NetworkEquipment') {
             $changes[2] = $changes[2] . " > #" . $ps->fields["name"];
         }
         Log::history($pd->fields["items_id"], $pd->fields["itemtype"], $changes, $ps->fields["itemtype"], HISTORY_CONNECT_DEVICE);
     }
 }