Source for file _genericorderedcache.class.php

Documentation is available at _genericorderedcache.class.php

<?php
/**
* This file implements the Generic Ordered Cache class.
*
* This file is part of the evoCore framework - {@link http://evocore.net/}
* See also {@link http://sourceforge.net/projects/evocms/}.
*
* Parts of this file are copyright (c)2005-2006 by PROGIDISTRI - {@link http://progidistri.com/}.
*
* {@internal License choice
* - If you have received this file as part of a package, please find the license.txt file in
* the same folder or the closest folder above for complete license terms.
* - If you have received this file individually (e-g: from http://evocms.cvs.sourceforge.net/)
* then you must choose one of the following licenses before using the file:
* - GNU General Public License 2 (GPL) - http://www.opensource.org/licenses/gpl-license.php
* - Mozilla Public License 1.1 (MPL) - http://www.opensource.org/licenses/mozilla1.1.php
* }}}
*
* {@internal Open Source relicensing agreement:
* PROGIDISTRI S.A.S. grants Francois PLANQUE the right to license
* PROGIDISTRI S.A.S.'s contributions to this file and the b2evolution project
* under any OSI approved OSS license (http://www.opensource.org/licenses/).
* }}}
*
* @package evocore
*
* {@internal Below is a list of authors who have contributed to design/coding of this file: }}
* @author fplanque: Francois PLANQUE.
* @author mbruneau: Marc BRUNEAU / PROGIDISTRI
*
* @version $Id: _genericorderedcache.class.php,v 1.6 2010/02/08 17:53:03 efy-yury Exp $
*/
if( !defined('EVO_MAIN_INIT') ) die( 'Please, do not access this page directly.' );
load_class( 'generic/model/_genericcache.class.php', 'GenericCache' );
/**
* GenericOrderedCache Class
* @package evocore
*/
class GenericOrderedCache extends GenericCache
{
/**
* Constructor
*/
function GenericOrderedCache( $objtype, $load_all, $tablename, $prefix = '', $dbIDname = 'ID', $name_field = NULL )
{
parent::GenericCache( $objtype, $load_all, $tablename, $prefix, $dbIDname, $name_field );
}
/**
* Move up the element order in database
*
* @param integer id element
* @return unknown
*/
function move_up_by_ID( $id )
{
global $DB, $Messages, $result_fadeout;
$DB->begin();
if( ($obj_sup = & $this->get_by_ID( $id )) === false )
{
$Messages->add( sprintf( T_('Requested «%s» object does not exist any longer.'), T_('Entry') ), 'error' );
$DB->commit();
return false;
}
$order = $obj_sup->order;
// Get the ID of the inferior element which his order is the nearest
$rows = $DB->get_results( 'SELECT '.$this->dbIDname
.' FROM '.$this->dbtablename
.' WHERE '.$this->dbprefix.'order < '.$order
.' ORDER BY '.$this->dbprefix.'order DESC
LIMIT 0,1' );
if( count( $rows ) )
{
// instantiate the inferior element
$obj_inf = & $this->get_by_ID( $rows[0]->{$this->dbIDname} );
// Update element order
$obj_sup->set( 'order', $obj_inf->order );
$obj_sup->dbupdate();
// Update inferior element order
$obj_inf->set( 'order', $order );
$obj_inf->dbupdate();
// EXPERIMENTAL FOR FADEOUT RESULT
$result_fadeout[$this->dbIDname][] = $id;
$result_fadeout[$this->dbIDname][] = $obj_inf->ID;
}
else
{
$Messages->add( T_('This element is already at the top.'), 'error' );
}
$DB->commit();
}
/**
* Move down the element order in database
*
* @param integer id element
* @return unknown
*/
function move_down_by_ID( $id )
{
global $DB, $Messages, $result_fadeout;
$DB->begin();
if( ($obj_inf = & $this->get_by_ID( $id )) === false )
{
$Messages->add( sprintf( T_('Requested «%s» object does not exist any longer.'), T_('Entry') ), 'error' );
$DB->commit();
return false;
}
$order = $obj_inf->order;
// Get the ID of the inferior element which his order is the nearest
$rows = $DB->get_results( 'SELECT '.$this->dbIDname
.' FROM '.$this->dbtablename
.' WHERE '.$this->dbprefix.'order > '.$order
.' ORDER BY '.$this->dbprefix.'order ASC
LIMIT 0,1' );
if( count( $rows ) )
{
// instantiate the inferior element
$obj_sup = & $this->get_by_ID( $rows[0]->{$this->dbIDname} );
// Update element order
$obj_inf->set( 'order', $obj_sup->order );
$obj_inf->dbupdate();
// Update inferior element order
$obj_sup->set( 'order', $order );
$obj_sup->dbupdate();
// EXPERIMENTAL FOR FADEOUT RESULT
$result_fadeout[$this->dbIDname][] = $id;
$result_fadeout[$this->dbIDname][] = $obj_sup->ID;
}
else
{
$Messages->add( T_('This element is already at the bottom.'), 'error' );
}
$DB->commit();
}
}
/*
* $Log: _genericorderedcache.class.php,v $
* Revision 1.6 2010/02/08 17:53:03 efy-yury
*
* Revision 1.5 2009/09/14 13:11:37 efy-arrin
* Included the ClassName in load_class() call with proper UpperCase
*
* Revision 1.4 2009/08/30 19:54:25 fplanque
* less translation messgaes for infrequent errors
*
* Revision 1.3 2009/03/08 23:57:43 fplanque
* 2009
*
* Revision 1.2 2008/01/21 09:35:30 fplanque
* (c) 2008
*
* Revision 1.1 2007/06/25 11:00:18 fplanque
* MODULES (refactored MVC)
*
* Revision 1.7 2007/06/11 22:01:53 blueyed
* doc fixes
*
* Revision 1.6 2007/04/26 00:11:11 fplanque
* (c) 2007
*
* Revision 1.5 2006/11/26 01:42:09 fplanque
* doc
*/
?>

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Source for file _genericorderedcache.class.php

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