Index: branches/RC/core/units/general/helpers/controls/controls_config.php
===================================================================
diff -u -N
--- branches/RC/core/units/general/helpers/controls/controls_config.php	(revision 0)
+++ branches/RC/core/units/general/helpers/controls/controls_config.php	(revision 10022)
@@ -0,0 +1,11 @@
+<?php
+
+	$config	=	Array(
+					'Prefix'			=>	'control-helpers',
+					'EventHandlerClass'	=>	Array('class' => 'kEventHandler', 'file' => '', 'build_event' => 'OnBuild'),
+
+					'RegisterClasses'	=>	Array(
+						Array('pseudo'=>'MInputHelper','class'=>'MInputHelper','file'=>'minput_helper.php','build_event'=>'','require_classes'=>'kHelper'),
+						Array('pseudo' => 'EditPickerHelper', 'class' => 'EditPickerHelper', 'file' => 'edit_picker_helper.php', 'build_event' => '', 'require_classes' => Array('kHelper')),
+					),
+	);
\ No newline at end of file
Index: branches/RC/core/units/general/helpers/controls/edit_picker_helper.php
===================================================================
diff -u -N
--- branches/RC/core/units/general/helpers/controls/edit_picker_helper.php	(revision 0)
+++ branches/RC/core/units/general/helpers/controls/edit_picker_helper.php	(revision 10022)
@@ -0,0 +1,69 @@
+<?php
+
+	class EditPickerHelper extends kHelper {
+
+
+		function getTable($prefix, $temp=false)
+		{
+			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
+			return $temp ? $this->Application->GetTempName($table_name, 'prefix:'.$prefix) : $table_name;
+		}
+
+		/**
+		 * Applies filter for multiple lists in inp_edit_picker control.
+		 * Called from SetCustomQuery of prefix, that contains all available items.
+		 *
+		 * @param kEvent $event
+		 * @param string $storage_field main item's field name, where values are located
+		 */
+		function applyFilter(&$event, $storage_field)
+		{
+			if ($event->Special != 'selected' && $event->Special != 'available') {
+				return ;
+			}
+
+			$object =& $event->getObject();
+			/* @var $object kDBList */
+
+			$main_object =& $this->Application->recallObject($event->getEventParam('link_to_prefix'));
+			/* @var $main_object kDBItem */
+
+			$selected_items = $main_object->GetDBField($storage_field);
+			if ($selected_items) {
+				$filter_type = $event->Special == 'selected' ? 'IN' : 'NOT IN';
+				$selected_items = explode('|', substr($selected_items, 1, -1));
+				$filter_clause = $object->IDField.' '.$filter_type.' ('.implode(',', $selected_items).')';
+			}
+			else {
+				$filter_clause = ($event->Special == 'selected') ? 'FALSE' : 'TRUE';
+			}
+
+			$object->addFilter('edit_picker_filter', $filter_clause);
+		}
+
+		/**
+		 * Loads selected values from sub_prefix to main item virtual field.
+		 * Called from OnAfterItemLoad of main prefix.
+		 *
+		 * @param kEvent $event
+		 * @param string $store_field main item's field name, to store values into
+		 * @param string $source_field prefix and it's field used to store info about selected items (format: prefix.field)
+		 */
+		function LoadValues(&$event, $store_field, $source_field)
+		{
+			$object =& $event->getObject();
+			/* @var $object kDBItem */
+
+			list ($sub_prefix, $sub_prefix_field) = explode('.', $source_field);
+			$foreign_key = $this->Application->getUnitOption($sub_prefix, 'ForeignKey');
+
+			$sql = 'SELECT '.$sub_prefix_field.'
+					FROM '.$this->getTable($sub_prefix, $object->IsTempTable()).'
+					WHERE '.$foreign_key.' = '.$object->GetID();
+			$selected_items = array_unique($this->Conn->GetCol($sql));
+
+			$object->SetDBField($store_field, $selected_items ? '|'.implode('|', $selected_items).'|' : '');
+		}
+	}
+
+?>
\ No newline at end of file
Index: branches/RC/core/units/general/helpers/controls/minput_helper.php
===================================================================
diff -u -N
--- branches/RC/core/units/general/helpers/controls/minput_helper.php	(revision 0)
+++ branches/RC/core/units/general/helpers/controls/minput_helper.php	(revision 10022)
@@ -0,0 +1,124 @@
+<?php
+
+	class MInputHelper extends kHelper {
+
+
+		/**
+		 * Returns user education table name
+		 *
+		 * @param kDBItem $object
+		 * @return string
+		 */
+		function getTable($prefix, $temp=false)
+		{
+			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
+			return $temp ? $this->Application->GetTempName($table_name, 'prefix:'.$prefix) : $table_name;
+		}
+
+		function prepareMInputXML($records, $use_fields)
+		{
+			$xml = '';
+			foreach ($records as $record) {
+				$xml .= '<record>';
+				foreach ($record as $field_name => $field_value) {
+					if (!in_array($field_name, $use_fields)) {
+						continue;
+					}
+					$xml .= '<field name="'.$field_name.'">'.$field_value.'</field>';
+				}
+				$xml .= '</record>';
+			}
+
+			return $xml ? '<records>'.$xml.'</records>' : '';
+		}
+
+		function prepareErrorsXML(&$object, $fields_hash)
+		{
+			$xml = '';
+			foreach ($fields_hash as $field_name => $field_value) {
+				$object->SetField($field_name, $field_value);
+				if (!$object->ValidateField($field_name)) {
+					$xml .= '<field name="'.$field_name.'">'.$object->GetErrorMsg($field_name, false).'</field>';
+				}
+			}
+
+			return '<errors>'.$xml.'</errors>';
+		}
+
+		/**
+		 * Validates MInput control fields
+		 *
+		 * @param kEvent $event
+		 */
+		function OnValidateMInputFields(&$event)
+		{
+			$object =& $event->getObject();
+			/* @var $object kDBItem */
+
+			$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
+			if ($items_info) {
+				list ($id, $field_values) = each($items_info);
+
+				echo $this->prepareErrorsXML($object, $field_values);
+			}
+
+			$event->status = erSTOP;
+		}
+
+		function parseMInputXML($xml)
+		{
+			$xml_helper =& $this->Application->recallObject('kXMLHelper');
+			/* @var $xml_helper kXMLHelper */
+
+			$root_node =& $xml_helper->Parse($xml);
+			$root_node =& $root_node->FindChild('records');
+			if (!$root_node || !$root_node->firstChild) {
+				return false;
+			}
+
+			$records = Array ();
+			$current_node = $root_node->firstChild;
+			/* @var $current_node kXMLNode */
+
+			do {
+				$record = Array();
+				$sub_node =& $current_node->firstChild;
+				/* @var $current_node kXMLNode */
+
+				do {
+					$record[$sub_node->Attributes['NAME']] = $sub_node->Data;
+
+				}while ( ($sub_node =& $sub_node->NextSibling()) );
+
+				$records[] = $record;
+			} while (($current_node =& $current_node->NextSibling()));
+
+			return $records;
+		}
+
+		/**
+		 * Loads selected values from sub_prefix to main item virtual field.
+		 * Called from OnAfterItemLoad of main prefix.
+		 *
+		 * @param kEvent $event
+		 * @param string $store_field main item's field name, to store values into
+		 * @param string $sub_prefix prefix used to store info about selected items
+		 * @param Array $use_fields fields, used in value string building
+		 */
+		function LoadValues(&$event, $store_field, $sub_prefix, $use_fields)
+		{
+			$object =& $event->getObject();
+			/* @var $object kDBItem */
+
+			$foreign_key = $this->Application->getUnitOption($sub_prefix, 'ForeignKey');
+
+			$sql = 'SELECT *
+					FROM '.$this->getTable($sub_prefix, $object->IsTempTable()).'
+					WHERE '.$foreign_key.' = '.$object->GetID();
+			$selected_items = $this->Conn->Query($sql);
+
+			$object->SetDBField($store_field, $this->prepareMInputXML($selected_items, $use_fields));
+		}
+	}
+
+?>
\ No newline at end of file