Index: branches/1.3.x/units/widgets/widget_eh.php
===================================================================
diff -u -N -r16172 -r16396
--- branches/1.3.x/units/widgets/widget_eh.php	(.../widget_eh.php)	(revision 16172)
+++ branches/1.3.x/units/widgets/widget_eh.php	(.../widget_eh.php)	(revision 16396)
@@ -18,9 +18,10 @@
 	{
 		parent::mapPermissions();
 
-		$permissions = Array (
-			'OnItemBuild' => Array ('self' => true),
-			'OnCustomEvent' => Array ('self' => true),
+		$permissions = array(
+			'OnItemBuild' => array('self' => true),
+			'OnRecalculatePriorities' => array('self' => 'add|edit'),
+			'OnCustomEvent' => array('self' => true),
 		);
 
 		$this->permMapping = array_merge($this->permMapping, $permissions);
@@ -47,6 +48,65 @@
 	}
 
 	/**
+	 * Define alternative event processing method names
+	 *
+	 * @return void
+	 */
+	protected function mapEvents()
+	{
+		parent::mapEvents();
+
+		$events_map = array(
+			'OnMassMoveUp' => 'OnChangePriority',
+			'OnMassMoveDown' => 'OnChangePriority',
+		);
+
+		$this->eventMethods = array_merge($this->eventMethods, $events_map);
+	}
+
+	/**
+	 * Processes OnMassMoveUp, OnMassMoveDown events
+	 *
+	 * @param kEvent $event Event.
+	 *
+	 * @return void
+	 */
+	protected function OnChangePriority(kEvent $event)
+	{
+		$this->Application->SetVar('priority_prefix', $event->getPrefixSpecial());
+		$event->CallSubEvent('priority:' . $event->Name);
+	}
+
+	/**
+	 * Completely recalculates priorities in current category
+	 *
+	 * @param kEvent $event Event.
+	 *
+	 * @return void
+	 */
+	protected function OnRecalculatePriorities(kEvent $event)
+	{
+		$this->Application->SetVar('priority_prefix', $event->getPrefixSpecial());
+		$event->CallSubEvent('priority:' . $event->Name);
+	}
+
+	/**
+	 * [HOOK] Connects to priority unit.
+	 *
+	 * @param kEvent $event Event.
+	 *
+	 * @return void
+	 */
+	protected function OnModifyPrioritiesConfig(kEvent $event)
+	{
+		$config = $event->MasterEvent->getUnitConfig();
+
+		$prefixes = $config->getProcessPrefixes();
+		$prefixes[] = $event->Prefix;
+		$config->setProcessPrefixes($prefixes);
+	}
+
+	/**
 	 * Set custom query for the list
 	 *
 	 * @param kEvent $event