Html::jsConfirmCallback PHP Method

    static function jsConfirmCallback($msg, $title, $yesCallback = null, $noCallback = null)
    {
        return "\n         // the Dialog and its properties.\n         \$('<div></div>').dialog({\n            open: function(event, ui) { \$('.ui-dialog-titlebar-close').hide(); },\n            close: function(event, ui) { \$(this).remove(); },\n            resizable: false,\n            modal: true,\n            title: '" . Toolbox::addslashes_deep($title) . "',\n            buttons: {\n               'Yes': function () {\n                     \$(this).dialog('close');\n                     " . ($yesCallback !== null ? '(' . $yesCallback . ')()' : '') . "\n                  },\n               'No': function () {\n                     \$(this).dialog('close');\n                     " . ($noCallback !== null ? '(' . $noCallback . ')()' : '') . "\n                  }\n            }\n         }).text('" . Toolbox::addslashes_deep($msg) . "');\n      ";
    }

 /**
  * Summary of setLockedByMessage
  * Shows 'Locked by ' message and proposes to request unlock from locker
  **/
 private function setLockedByMessage()
 {
     global $CFG_GLPI;
     // should get locking user info
     $user = new User();
     $user->getFromDBByQuery(" WHERE id = " . $this->fields['users_id']);
     $useremail = new UserEmail();
     $showAskUnlock = $useremail->getFromDBByQuery(" WHERE users_id = " . $this->fields['users_id'] . "\n                                                            AND is_default = 1 ") && $CFG_GLPI['use_mailing'] == 1;
     $completeUserName = formatUserName(0, $user->fields['name'], $user->fields['realname'], $user->fields['firstname']);
     if ($showAskUnlock) {
         $ret = Html::scriptBlock("\n         function askUnlock() {\n            \$('#message_after_lock').fadeToggle() ;\n            " . Html::jsConfirmCallback(__('Ask for unlock item?'), $this->itemtypename . " #" . $this->itemid, "function() {\n                  \$.ajax({\n                     url: '" . $CFG_GLPI['root_doc'] . "/ajax/unlockobject.php',\n                     cache: false,\n                     data: 'requestunlock=1&id=" . $this->fields['id'] . "',\n                     success: function( jqXHR, textStatus ) {\n                           " . Html::jsAlertCallback($completeUserName, __('Request sent to'), "function() { \$('#message_after_lock').fadeToggle() ; }") . "\n                        }\n                     });\n               }", "function() {\n                  \$('#message_after_lock').fadeToggle() ;\n               }") . "\n         }\n\n         ");
         echo $ret;
     }
     $msg = "<table><tr><td class=red nowrap>";
     $msg .= __('Locked by ') . "<a href='" . $user->getLinkURL() . "'>{$completeUserName}</a> -> " . Html::convDateTime($this->fields['date_mod']);
     $msg .= "</td><td nowrap>";
     if ($showAskUnlock) {
         $msg .= "<a class='vsubmit' onclick='javascript:askUnlock();'>" . __('Ask for unlock') . "</a>";
     }
     $msg .= "</td></tr></table>";
     $this->displayLockMessage($msg);
 }