theme.php

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<?php
# This file is part of the Savane project
# <http://gna.org/projects/savane/>
#
# $Id: theme.php 5187 2005-12-01 16:22:29Z yeupou $
#
#  Copyright 2002-2004 (c) Mathieu Roy <yeupou--at--gnu.org>
# 
# The Savane project is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# The Savane project 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the Savane project; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

# theme value is fetched by getting the cookie. But we keep in the
# database the setting, so someone using another computer can easily
# remember the theme he previously chose.

# Jump to the next theme available and set cookie appropriately
function theme_rotate_jump($num) 
{

  utils_get_content("forbidden_theme");
  $theme = theme_list(1);
 
  $num++;
        
  # if the num is a value superior of the number of themes
  # we reset to 0
  if ($num == count($theme)) 
    { $num = "0"; }
  
  # keep in mind the new number
  setcookie("SV_THEME_ROTATE_NUMERIC", $num, time() + 60*60*24*365, $GLOBALS['sys_home']);

  # associate this number with a theme
  setcookie("SV_THEME_ROTATE", $theme[$num], time() + 60*60*24, $GLOBALS['sys_home']);
}

# Return an array with all the themes, but not the special case "rotate" 
# and "random"
# By default, it does not skip forbidden themes (strict=0), in order to
# avoid doing too many unrequired tests.
function theme_list ($strict=0) 
{
  if ($strict)
    { utils_get_content("forbidden_theme"); }

  # Feed the array
  $theme = array();
  $dir = opendir($GLOBALS['sys_www_topdir']."/css/");
  while ($file = readdir($dir)) 
    {
      # take only correct css files
      if (preg_match("/^(.*)\.css$/", $file, $matches)) 
        {
          # base.css and printer.css are always ignored
          if ($matches[1] != "base" && $matches[1] != "printer") {
            if (!$strict)
              {
                $theme[] = $matches[1];
              }
            elseif (!preg_match($GLOBALS['forbid_theme_regexp'], $matches[1]))
              {
                $theme[] = $matches[1];
              }
          }
        }
    }
  closedir($dir);
  
  # Sort themes
  asort($theme);

  # No result? Return only the default theme. 
  # (If there were no result, there is a problem anyway somewhere in the
  # installation)
  if (!count($theme))
    {
      $theme[] = $GLOBALS['sys_themedefault'];
    }
  return $theme;
}



##### THEME SELECTION

---