*
* Copyright (C) 2000, 2001 Joseph Engo *
* -------------------------------------------------------------------------*
* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class config
{
var $db;
var $appname;
var $config_data; // actual config-data
var $read_data; // config-data as read from db
var $table = 'egw_config';
function config($appname = '')
{
if (! $appname)
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if (is_object($GLOBALS['egw']->db))
{
$this->db = clone($GLOBALS['egw']->db);
}
else
{
$this->db = clone($GLOBALS['egw_setup']->db);
}
$this->db->set_app('phpgwapi');
$this->appname = $appname;
}
/**
* reads the whole repository for $this->appname, appname has to be set via the constructor
*
* the whole config-array for that app
*/
function read_repository()
{
$this->config_data = array();
$this->db->select($this->table,'*',array('config_app'=>$this->appname),__LINE__,__FILE__);
while ($this->db->next_record())
{
$test = @unserialize($this->db->f('config_value'));
if($test)
{
$this->config_data[$this->db->f('config_name')] = $test;
}
else
{
$this->config_data[$this->db->f('config_name')] = $this->db->f('config_value');
}
}
return $this->read_data = $this->config_data;
}
/**
* updates the whole repository for $this->appname, you have to call read_repository() before (!)
*/
function save_repository()
{
if (is_array($this->config_data))
{
$this->db->lock(array($this->table));
foreach($this->config_data as $name => $value)
{
$this->save_value($name,$value);
}
foreach($this->read_data as $name => $value)
{
if (!isset($this->config_data[$name])) // has been deleted
{
$this->db->delete($this->table,array('config_app'=>$this->appname,'config_name'=>$name),__LINE__,__FILE__);
}
}
$this->db->unlock();
if ($this->appname == 'phpgwapi')
{
$GLOBALS['egw']->invalidate_session_cache(); // in case egw_info is cached in the session (phpgwapi is in egw_info[server])
}
}
$this->read_data = $this->config_data;
}
/**
* updates or insert a single config-value
*
* @param $name string name of the config-value
* @param $value mixed content
* @param $app string app-name, defaults to $this->appname set via the constructor
*/
function save_value($name,$value,$app=False)
{
//echo "config::save_value('$name','".print_r($value,True)."','$app')
\n";
if (!$app || $app == $this->appname)
{
$app = $this->appname;
$this->config_data[$name] = $value;
}
if ($app == $this->appname && $this->read_data[$name] == $value)
{
return True; // no change ==> exit
}
//echo "config::save_value('$name','".print_r($value,True)."','$app')
\n";
if(is_array($value))
{
$value = serialize($value);
}
return $this->db->insert($this->table,array('config_value'=>$value),array('config_app'=>$app,'config_name'=>$name),__LINE__,__FILE__);
}
/**
* deletes the whole repository for $this->appname, appname has to be set via the constructor
*
*/
function delete_repository()
{
$this->db->delete($this->table,array('config_app' => $this->appname),__LINE__,__FILE__);
}
/**
* deletes a single value from the repository, you need to call save_repository after
*
* @param $variable_name string name of the config
*/
function delete_value($variable_name)
{
unset($this->config_data[$variable_name]);
}
/**
* sets a single value in the repositry, you need to call save_repository after
*
* @param $variable_name string name of the config
* @param $variable_data mixed the content
*/
function value($variable_name,$variable_data)
{
$this->config_data[$variable_name] = $variable_data;
}
}