Index: branches/RC/core/units/general/cat_event_handler.php
===================================================================
diff -u -N -r11751 -r11821
--- branches/RC/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 11751)
+++ branches/RC/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 11821)
@@ -17,6 +17,7 @@
 			'OnResetSettings' => Array ('self' => 'add|edit|advanced:import'),
 			'OnBeforeDeleteOriginal' => Array ('self' => 'edit|advanced:approve'),
 
+			'OnCopy' => Array ('self' => true),
 			'OnDownloadFile' => Array ('self' => 'view'),
 			'OnCancelAction' => Array ('self' => true),
 			'OnItemBuild' => Array ('self' => true),
@@ -81,7 +82,7 @@
 			else {
 				// leave only items, that can be edited
 				$ids = Array ();
-				$check_method = ($event->Name == 'OnMassDelete') ? 'DeleteCheckPermission' : 'ModifyCheckPermission';
+				$check_method = in_array($event->Name, Array ('OnMassDelete', 'OnCut')) ? 'DeleteCheckPermission' : 'ModifyCheckPermission';
 				foreach ($items as $item_id => $item_data) {
 					if ($perm_helper->$check_method($item_data['CreatedById'], $item_data['CategoryId'], $event->Prefix) > 0) {
 						$ids[] = $item_id;
@@ -125,7 +126,8 @@
 	{
 		return Array (
 			'OnEdit', 'OnSave', 'OnMassDelete', 'OnMassApprove',
-			'OnMassDecline', 'OnMassMoveUp', 'OnMassMoveDown'
+			'OnMassDecline', 'OnMassMoveUp', 'OnMassMoveDown',
+			'OnCut',
 		);
 	}
 
@@ -197,6 +199,7 @@
 		$this->Application->RemoveVar('clipboard');
 		$clipboard_helper =& $this->Application->recallObject('ClipboardHelper');
 		$clipboard_helper->setClipboard($event, 'copy', $this->StoreSelectedIDs($event));
+		$this->clearSelectedIDs($event);
 	}
 
 	/**
@@ -209,16 +212,37 @@
 		$this->Application->RemoveVar('clipboard');
 		$clipboard_helper =& $this->Application->recallObject('ClipboardHelper');
 		$clipboard_helper->setClipboard($event, 'cut', $this->StoreSelectedIDs($event));
+		$this->clearSelectedIDs($event);
 	}
 
 	/**
+	 * Checks permission for OnPaste event
+	 *
+	 * @param kEvent $event
+	 * @return bool
+	 */
+	function _checkPastePermission(&$event)
+	{
+		$perm_helper =& $this->Application->recallObject('PermissionsHelper');
+		/* @var $perm_helper kPermissionsHelper */
+
+		$category_id = $this->Application->GetVar('m_cat_id');
+		if ($perm_helper->AddCheckPermission($category_id, $event->Prefix) == 0) {
+			// no items left for editing -> no permission
+			return $perm_helper->finalizePermissionCheck($event, false);
+		}
+
+		return true;
+	}
+
+	/**
 	 * Performs category item paste
 	 *
 	 * @param kEvent $event
 	 */
 	function OnPaste(&$event)
 	{
-		if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
+		if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) || !$this->_checkPastePermission($event)) {
 			return;
 		}
 
@@ -230,7 +254,9 @@
 
 		if ($clipboard_data['copy']) {
 			$temp =& $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
-			$this->Application->SetVar('ResetCatBeforeClone', 1);
+			/* @var $temp kTempTablesHandler */
+
+			$this->Application->SetVar('ResetCatBeforeClone', 1); // used in "kCatDBEventHandler::OnBeforeClone"
 			$temp->CloneItems($event->Prefix, $event->Special, $clipboard_data['copy']);
 		}