[Sommaire] [Imprimer]

   1  <?php
   2      /**************************************************************************\
   3      * eGroupWare API - Application configuration in a centralized location     *
   4      * This file written by Joseph Engo <jengo@phpgroupware.org>                *
   5      * Copyright (C) 2000, 2001 Joseph Engo                                     *
   6      * -------------------------------------------------------------------------*
   7      * This library is part of the eGroupWare API                               *
   8      * http://www.egroupware.org/api                                            * 
   9      * ------------------------------------------------------------------------ *
  10      * This library is free software; you can redistribute it and/or modify it  *
  11      * under the terms of the GNU Lesser General Public License as published by *
  12      * the Free Software Foundation; either version 2.1 of the License,         *
  13      * or any later version.                                                    *
  14      * This library is distributed in the hope that it will be useful, but      *
  15      * WITHOUT ANY WARRANTY; without even the implied warranty of               *
  16      * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     *
  17      * See the GNU Lesser General Public License for more details.              *
  18      * You should have received a copy of the GNU Lesser General Public License *
  19      * along with this library; if not, write to the Free Software Foundation,  *
  20      * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA            *
  21      \**************************************************************************/
  22  
  23      /* $Id: class.config.inc.php 20295 2006-02-15 12:31:25Z  $ */
  24  
  25      class config
  26      {
  27          var $db;
  28          var $appname;
  29          var $config_data;    // actual config-data
  30          var $read_data;        // config-data as read from db
  31          var $table = 'egw_config';
  32  
  33  		function config($appname = '')
  34          {
  35              if (! $appname)
  36              {
  37                  $appname = $GLOBALS['egw_info']['flags']['currentapp'];
  38              }
  39              if (is_object($GLOBALS['egw']->db))
  40              {
  41                  $this->db = clone($GLOBALS['egw']->db);
  42              }
  43              else
  44              {
  45                  $this->db = clone($GLOBALS['egw_setup']->db);
  46              }
  47              $this->db->set_app('phpgwapi');
  48              $this->appname = $appname;
  49          }
  50  
  51          /**
  52           * reads the whole repository for $this->appname, appname has to be set via the constructor
  53           *
  54           * the whole config-array for that app
  55           */
  56  		function read_repository()
  57          {
  58              $this->config_data = array();
  59  
  60              $this->db->select($this->table,'*',array('config_app'=>$this->appname),__LINE__,__FILE__);
  61              while ($this->db->next_record())
  62              {
  63                  $test = @unserialize($this->db->f('config_value'));
  64                  if(is_array($test))
  65                  {
  66                      $this->config_data[$this->db->f('config_name')] = $test;
  67                  }
  68                  else
  69                  {
  70                      $this->config_data[$this->db->f('config_name')] = $this->db->f('config_value');
  71                  }
  72              }
  73              return $this->read_data = $this->config_data;
  74          }
  75  
  76          /**
  77           * updates the whole repository for $this->appname, you have to call read_repository() before (!)
  78           */
  79  		function save_repository()
  80          {
  81              if (is_array($this->config_data))
  82              {
  83                  $this->db->lock(array($this->table));
  84                  foreach($this->config_data as $name => $value)
  85                  {
  86                      $this->save_value($name,$value);
  87                  }
  88                  foreach($this->read_data as $name => $value)
  89                  {
  90                      if (!isset($this->config_data[$name]))    // has been deleted
  91                      {
  92                          $this->db->delete($this->table,array('config_app'=>$this->appname,'config_name'=>$name),__LINE__,__FILE__);
  93                      }
  94                  }
  95                  $this->db->unlock();
  96  
  97                  if ($this->appname == 'phpgwapi' && method_exists($GLOBALS['egw'],'invalidate_session_cache'))    // egw object in setup is limited
  98                  {
  99                      $GLOBALS['egw']->invalidate_session_cache();    // in case egw_info is cached in the session (phpgwapi is in egw_info[server])
 100                  }
 101              }
 102              $this->read_data = $this->config_data;
 103          }
 104  
 105          /**
 106           * updates or insert a single config-value
 107           *
 108           * @param $name string name of the config-value
 109           * @param $value mixed content
 110           * @param $app string app-name, defaults to $this->appname set via the constructor
 111           */
 112  		function save_value($name,$value,$app=False)
 113          {
 114              //echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n";
 115              if (!$app || $app == $this->appname)
 116              {
 117                  $app = $this->appname;
 118                  $this->config_data[$name] = $value;
 119              }
 120              if ($app == $this->appname && $this->read_data[$name] == $value)
 121              {
 122                  return True;    // no change ==> exit
 123              }
 124              //echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n";
 125  
 126              if(is_array($value))
 127              {
 128                  $value = serialize($value);
 129              }
 130              return $this->db->insert($this->table,array('config_value'=>$value),array('config_app'=>$app,'config_name'=>$name),__LINE__,__FILE__);
 131          }
 132  
 133          /**
 134           * deletes the whole repository for $this->appname, appname has to be set via the constructor
 135           *
 136           */
 137  		function delete_repository()
 138          {
 139              $this->db->delete($this->table,array('config_app' => $this->appname),__LINE__,__FILE__);
 140          }
 141  
 142          /**
 143           * deletes a single value from the repository, you need to call save_repository after
 144           *
 145           * @param $variable_name string name of the config
 146           */
 147  		function delete_value($variable_name)
 148          {
 149              unset($this->config_data[$variable_name]);
 150          }
 151  
 152          /**
 153           * sets a single value in the repositry, you need to call save_repository after
 154           *
 155           * @param $variable_name string name of the config
 156           * @param $variable_data mixed the content
 157           */
 158  		function value($variable_name,$variable_data)
 159          {
 160              $this->config_data[$variable_name] = $variable_data;
 161          }
 162      }