Index: branches/5.3.x/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -N -r16600 -r16718
--- branches/5.3.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 16600)
+++ branches/5.3.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 16718)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_tag_processor.php 16600 2017-07-29 06:19:27Z alex $
+* @version	$Id: db_tag_processor.php 16718 2022-07-20 07:09:39Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1207,6 +1207,9 @@
 		if ( isset($params['selected_only']) && $params['selected_only'] ) {
 			$options = $this->getSelectedOptions($options, $selected_option_keys);
 		}
+		elseif ( isset($params['unselected_only']) && $params['unselected_only'] ) {
+			$options = $this->getUnselectedOptions($options, $selected_option_keys);
+		}
 
 		$column_changed = false;
 		$option_number = $column_number = 1;
@@ -1279,6 +1282,27 @@
 	}
 
 	/**
+	 * Returns only options, that have not been selected.
+	 *
+	 * @param array $options              All options.
+	 * @param array $selected_option_keys Selected options.
+	 *
+	 * @return array
+	 */
+	protected function getUnselectedOptions(array $options, array $selected_option_keys)
+	{
+		$ret = array();
+
+		foreach ( $options as $option_key => $option_title ) {
+			if ( !$this->isOptionSelected($option_key, $selected_option_keys) ) {
+				$ret[$option_key] = $option_title;
+			}
+		}
+
+		return $ret;
+	}
+
+	/**
 	 * Determines if given option is among selected ones.
 	 *
 	 * @param mixed $option_key           Option key.
@@ -2157,6 +2181,7 @@
 			case 'select':
 			case 'multiselect':
 			case 'radio':
+			case 'picker':
 				if ($object->GetDBField('DirectOptions')) {
 					// used for custom fields
 					$options = $object->GetDBField('DirectOptions');