<?php

	class ThemesEventHandler extends kDBEventHandler {
	
		/**
		 * Allows to override standart permission mapping
		 *
		 */
		function mapPermissions()
		{
			parent::mapPermissions();
			$permissions = Array(
				'OnItemBuild' => Array('self' => true),
			);
				
			$this->permMapping = array_merge($this->permMapping, $permissions);
		}
		
		/**
		 * Allows to set selected theme as primary
		 *
		 * @param kEvent $event
		 */
		function OnSetPrimary(&$event)
		{
			if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
				return;
			}

			$ids = $this->StoreSelectedIDs($event);
			if ($ids) {
				$id = array_shift($ids);
				$this->setPrimary($id);
			}
			
			$this->clearSelectedIDs($event);
		}
		
		function setPrimary($id)
		{
			$id_field = $this->Application->getUnitOption($this->Prefix, 'IDField');
			$table_name = $this->Application->getUnitOption($this->Prefix, 'TableName');
			
			$sql = 'UPDATE '.$table_name.'
					SET PrimaryTheme = 0';
			$this->Conn->Query($sql);
		

			$sql = 'UPDATE '.$table_name.'
					SET PrimaryTheme = 1, Enabled = 1
					WHERE '.$id_field.' = '.$id;
			$this->Conn->Query($sql);
		}
		
		/**
		 * Set correct parent path for newly created categories
		 *
		 * @param kEvent $event
		 */
		function OnAfterCopyToLive(&$event)
		{
			$object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true, 'live_table' => true));
			/* @var $object kDBItem */
			
			$object->Load($event->getEventParam('id'));
			
			if ($object->GetDBField('PrimaryTheme')) {
				$this->setPrimary($event->getEventParam('id'));
			}
		}
	}

?>