Index: trunk/core/units/categories/categories_event_handler.php
===================================================================
diff -u -r5514 -r6093
--- trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 5514)
+++ trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 6093)
@@ -11,11 +11,62 @@
 		parent::mapPermissions();
 		$permissions = Array(
 								'OnRebuildCache'	=>	Array('self' => 'add|edit'),
+//								'OnSave' => Array('self' => 'add|edit')
 						);
 		$this->permMapping = array_merge($this->permMapping, $permissions);
 	}
 
 	/**
+	 * Checks permissions of user
+	 *
+	 * @param kEvent $event
+	 */
+	function CheckPermission(&$event)
+	{
+		if (!$this->Application->IsAdmin()) {
+			if ($event->Name == 'OnSetSortingDirect') {
+				// allow sorting on front event without view permission
+				return true;
+			}
+		}
+
+		if ($event->Name == 'OnEdit' || $event->Name == 'OnSave') {
+			// check each id from selected individually and only if all are allowed proceed next
+			if ($event->Name == 'OnEdit') {
+				$selected_ids = implode(',', $this->StoreSelectedIDs($event));
+			}
+			else {
+				$selected_ids = $this->Application->RecallVar($event->getPrefixSpecial().'_selected_ids');
+			}
+
+			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
+			$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
+			$sql = 'SELECT '.$id_field.', CreatedById
+					FROM '.$table_name.' item_table
+					WHERE '.$id_field.' IN ('.$selected_ids.')';
+			$items = $this->Conn->Query($sql, $id_field);
+
+			$perm_value = true;
+			$perm_helper =& $this->Application->recallObject('PermissionsHelper');
+			foreach ($items as $item_id => $item_data) {
+				if ($perm_helper->ModifyCheckPermission($item_data['CreatedById'], $item_data[$id_field], $event->Prefix) == 0) {
+					// one of items selected has no permission
+					$perm_value = false;
+					break;
+				}
+			}
+
+			if (!$perm_value) {
+				$event->status = erPERM_FAIL;
+			}
+
+			return $perm_value;
+		}
+
+		return parent::CheckPermission($event);
+	}
+
+	/**
 	 * Apply system filter to categories list
 	 *
 	 * @param kEvent $event
@@ -51,7 +102,7 @@
 			}
 		}
 
-		if ($parent_cat_id != 'any') {
+		if ("$parent_cat_id" != 'any') {
 			if ($event->getEventParam('recursive')) {
 				$current_path = $this->Conn->GetOne('SELECT ParentPath FROM '.TABLE_PREFIX.'Category WHERE CategoryId='.$parent_cat_id);
 				$subcats = $this->Conn->GetCol('SELECT CategoryId FROM '.TABLE_PREFIX.'Category WHERE ParentPath LIKE "'.$current_path.'%" ');
@@ -62,10 +113,8 @@
 			}
 		}
 
-		$object->addFilter('parent_filter', 'ParentId = '.$parent_cat_id);
-
 		$object->addFilter('perm_filter', 'PermId = 1'); // check for CATEGORY.VIEW permission
-		if ($this->Application->GetVar('u_id') > 0) {
+		if ($this->Application->GetVar('u_id') != -1) {
 			// apply permission filters to all users except "root"
 			$groups = explode(',',$this->Application->RecallVar('UserGroups'));
 			foreach ($groups as $group) {
@@ -79,7 +128,7 @@
 			// apply status filter only on front
 			$object->addFilter('status_filter', $object->TableName.'.Status = 1');
 		}
-		
+
 		if(strpos($types, 'category_related') !== false)
 		{
 			$object->removeFilter('parent_filter');
@@ -237,9 +286,11 @@
 		if ($event->getEventParam('temp_id') == 0) {
 			$object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true, 'live_table' => true));
 			$object->Load($event->getEventParam('id'));
-
-			$fields_hash = Array('ParentPath' => $object->buildParentPath());
-			$this->Conn->doUpdate($fields_hash, $object->TableName, 'CategoryId = '.$object->GetID());
+			if ($object->isLoaded()) {
+				// update path only for real categories (not including "Home" root category)
+				$fields_hash = Array('ParentPath' => $object->buildParentPath());
+				$this->Conn->doUpdate($fields_hash, $object->TableName, 'CategoryId = '.$object->GetID());
+			}
 		}
 	}
 
@@ -251,20 +302,24 @@
 	function OnBeforeDeleteFromLive(&$event)
 	{
 		$id = $event->getEventParam('id');
+
+		// loding anyway, because this object is needed by "c-perm:OnBeforeDeleteFromLive" event
+		$temp_object =& $event->getObject( Array('skip_autoload' => true) );
+		$temp_object->Load($id);
+
 		if ($id == 0) {
-			// new category -> update chache
-			$this->Application->StoreVar('PermCache_UpdateRequired', 1);
+			if ($temp_object->isLoaded()) {
+				// new category -> update chache (not loaded when "Home" category)
+				$this->Application->StoreVar('PermCache_UpdateRequired', 1);
+			}
 			return ;
 		}
 
 		// existing category was edited, check if in-cache fields are modified
-		$temp_object =& $event->getObject( Array('skip_autoload' => true) );
-		$temp_object->Load($id);
-
-		$live_object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('live_table' => true));
+		$live_object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('live_table' => true, 'skip_autoload' => true));
 		$live_object->Load($id);
 
-		$cached_fields = Array('Name', 'Filename', 'CategoryTemplate', 'ItemTemplate');
+		$cached_fields = Array('Name', 'Filename', 'CategoryTemplate');
 
 		foreach ($cached_fields as $cached_field) {
 			if ($live_object->GetDBField($cached_field) != $temp_object->GetDBField($cached_field)) {
@@ -283,6 +338,11 @@
 	 */
 	function OnSave(&$event)
 	{
+		$object =& $event->getObject();
+		if ($object->IsRoot()) {
+			$event->setEventParam('master_ids', Array(0));
+		}
+
 		parent::OnSave($event);
 		if ($event->status == erSUCCESS && $this->Application->RecallVar('PermCache_UpdateRequired')) {
 			// "catalog" should be in opener stack by now
@@ -317,6 +377,129 @@
 		}
 		$this->clearSelectedIDs($event);
 	}
+
+	/**
+	 * Add selected items to clipboard with mode = COPY (CLONE)
+	 *
+	 * @param kEvent $event
+	 */
+	function OnCopy(&$event)
+	{
+		$this->Application->RemoveVar('clipboard');
+		$clipboard_helper =& $this->Application->recallObject('ClipboardHelper');
+		$clipboard_helper->setClipboard($event, 'copy', $this->StoreSelectedIDs($event));
+	}
+
+	/**
+	 * Add selected items to clipboard with mode = CUT
+	 *
+	 * @param kEvent $event
+	 */
+	function OnCut(&$event)
+	{
+		$this->Application->RemoveVar('clipboard');
+		$clipboard_helper =& $this->Application->recallObject('ClipboardHelper');
+		$clipboard_helper->setClipboard($event, 'cut', $this->StoreSelectedIDs($event));
+	}
+
+	/**
+	 * Controls all item paste operations. Can occur only with filled clipbord.
+	 *
+	 * @param kEvent $event
+	 */
+	function OnPasteClipboard(&$event)
+	{
+		$clipboard = unserialize( $this->Application->RecallVar('clipboard') );
+		foreach ($clipboard as $prefix => $clipboard_data) {
+			$paste_event = new kEvent($prefix.':OnPaste', Array('clipboard_data' => $clipboard_data));
+			$this->Application->HandleEvent($paste_event);
+
+			$event->redirect = $paste_event->redirect;
+			$event->redirect_params = $paste_event->redirect_params;
+			$event->status = $paste_event->status;
+		}
+	}
+
+	/**
+	 * Paste categories with subitems from clipboard
+	 *
+	 * @param kEvent $event
+	 */
+	function OnPaste(&$event)
+	{
+		if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
+			return;
+		}
+
+		$clipboard_data = $event->getEventParam('clipboard_data');
+
+		if (!$clipboard_data['cut'] && !$clipboard_data['copy']) {
+			return false;
+		}
+
+		$recursive_helper =& $this->Application->recallObject('RecursiveHelper');
+		if ($clipboard_data['cut']) {
+			$recursive_helper->MoveCategories($clipboard_data['cut'], $this->Application->GetVar('m_cat_id'));
+		}
+
+		if ($clipboard_data['copy']) {
+			foreach ($clipboard_data['copy'] as $id) {
+				$recursive_helper->PasteCategory($id);
+			}
+		}
+
+		if ($clipboard_data['cut'] || $clipboard_data['copy']) {
+			$event->redirect = 'categories/cache_updater';
+		}
+	}
+
+	/**
+	 * Occurs when pasting category
+	 *
+	 * @param kEvent $event
+	 */
+	/*function OnCatPaste(&$event)
+	{
+		$inp_clipboard = $this->Application->RecallVar('ClipBoard');
+		$inp_clipboard = explode('-', $inp_clipboard, 2);
+
+		if($inp_clipboard[0] == 'COPY')
+		{
+			$saved_cat_id = $this->Application->GetVar('m_cat_id');
+			$cat_ids = $event->getEventParam('cat_ids');
+
+			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
+			$table = $this->Application->getUnitOption($event->Prefix, 'TableName');
+			$ids_sql = 'SELECT '.$id_field.' FROM '.$table.' WHERE ResourceId IN (%s)';
+			$resource_ids_sql = 'SELECT ItemResourceId FROM '.TABLE_PREFIX.'CategoryItems WHERE CategoryId = %s AND PrimaryCat = 1';
+
+			$object =& $this->Application->recallObject($event->Prefix.'.item', $event->Prefix, Array('skip_autoload' => true));
+
+			foreach($cat_ids as $source_cat => $dest_cat)
+			{
+				$item_resource_ids = $this->Conn->GetCol( sprintf($resource_ids_sql, $source_cat) );
+				if(!$item_resource_ids) continue;
+
+				$this->Application->SetVar('m_cat_id', $dest_cat);
+				$item_ids = $this->Conn->GetCol( sprintf($ids_sql, implode(',', $item_resource_ids) ) );
+
+				$temp =& $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
+				if($item_ids) $temp->CloneItems($event->Prefix, $event->Special, $item_ids);
+			}
+
+			$this->Application->SetVar('m_cat_id', $saved_cat_id);
+		}
+	}*/
+
+	/**
+	 * Cleares clipboard content
+	 *
+	 * @param kEvent $event
+	 */
+	function OnClearClipboard(&$event)
+	{
+		$this->Application->RemoveVar('clipboard');
+	}
 }
 
 ?>
\ No newline at end of file