Index: trunk/core/units/general/helpers/priority_helper.php
===================================================================
diff -u -N
--- trunk/core/units/general/helpers/priority_helper.php	(revision 7855)
+++ trunk/core/units/general/helpers/priority_helper.php	(revision 0)
@@ -1,132 +0,0 @@
-<?php
-
-	class kPriorityHelper extends kHelper {
-	
-		
-		/**
-		 * Prepares options for priority dropdown
-		 *
-		 * @param kEvent $event
-		 * @param bool $is_new for newly created items add new priority to the end
-		 * @param string $constrain constrain for priority selection (if any)
-		 * 
-		 */
-		function preparePriorities(&$event, $is_new = false, $constrain = '')
-		{
-			$object =& $event->getObject();
-			
-			$field_options = $object->GetFieldOptions('Priority');
-			$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
-			
-			$sql = 'SELECT COUNT(*)
-					FROM '.$table_name;
-			if ($constrain) {
-				$sql .= ' WHERE '.$constrain;	
-			
-			}
-					
-			$items_count = $this->Conn->GetOne($sql);
-			if ($is_new) {
-				// add new item to the end of list
-				$items_count++;
-				$object->SetDBField('Priority', -$items_count);
-				$object->SetDBField('OldPriority', -$items_count);
-			}
-			
-			for ($i = 1; $i <= $items_count; $i++) {
-				$field_options['options'][-$i] = $i;
-			}
-			
-			$object->SetFieldOptions('Priority', $field_options);
-		}
-		
-		/**
-		 * Updates priorities for changed items
-		 *
-		 * @param kEvent $event
-		 * @param Array $changes = Array (CategoryID => Array ('parent' => ..., 'new' => ..., 'old' => ...), ...)
-		 * @param Array $new_ids = Array (temp_id => live_id)
-		 * @param string $constrain
-		 */
-		function updatePriorities(&$event, $changes, $new_ids, $constrain = '')
-		{
-			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
-			$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
-			
-			$not_processed = array_keys($changes);
-			
-			foreach ($changes as $id => $pair) {
-				$constrain = 'ParentId = '.$pair['parent'].' AND ';
-				
-				if ($pair['old'] == 'new') {
-					// replace 0 with newly created item id (from $new_ids mapping)
-					$not_processed[ array_search($id, $not_processed) ] = $new_ids[$id];
-					$id = $new_ids[$id];
-					
-					$sql = 'SELECT MIN(Priority)
-							FROM '.$table_name.'
-							WHERE '.$constrain.' CategoryId NOT IN ('.implode(',', $not_processed).')';
-					$min_priority = (int)$this->Conn->GetOne($sql) - 1;
-					
-					if ($pair['new'] < $min_priority) {
-						$pair['new'] = $min_priority;
-					}
-					$pair['old'] = $min_priority;
-				}
-				
-				if ($pair['new'] < $pair['old']) {
-					$q = '	SET Priority = Priority + 1
-							WHERE '.$constrain.'
-								Priority >= '.$pair['new'].'
-								AND
-								Priority < '.$pair['old'].'
-								AND
-								CategoryId NOT IN ('.implode(',', $not_processed).')';
-				}
-				elseif ($pair['new'] > $pair['old']) {
-					$q = '	SET Priority = Priority - 1
-							WHERE '.$constrain.'
-								Priority > '.$pair['old'].'
-								AND
-								Priority <= '.$pair['new'].'
-								AND
-								CategoryId NOT IN ('.implode(',', $not_processed).')';
-				}
-				else {
-					$q = 'SET Priority = '.$pair['new'].' WHERE '.$id_field.' = '.$id;
-				}
-				$q = 'UPDATE '.$table_name.' '.$q;
-				$this->Conn->Query($q);
-				
-				unset( $not_processed[array_search($id, $not_processed)] );
-			}
-		}
-		
-		/**
-		 * Recalculates priorities
-		 *
-		 * @param kEvent $event
-		 * @param string $constrain
-		 */
-		function recalculatePriorities(&$event, $constrain = '')
-		{
-			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
-			$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
-			
-			$sql = 'SELECT '.$id_field.'
-					FROM '.$table_name.
-					($constrain ? ' WHERE '.$constrain : '').'
-					ORDER BY Priority DESC';
-			
-			$items = $this->Conn->GetCol($sql);
-			
-			foreach ($items as $item_number => $item_id) {
-				$sql = 'UPDATE '.$table_name.'
-						SET Priority = '.-($item_number + 1).'
-						WHERE '.$id_field.' = '.$item_id;
-				$this->Conn->Query($sql);
-			}
-		}
-		
-	}
-?>
\ No newline at end of file