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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2011 Bharat Mediratta
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This is the API for handling themes.
*
* Note: by design, this class does not do any permission checking.
*/
class theme_Core {
public static $admin_theme_name;
public static $site_theme_name;
public static $is_admin;
/**
* Load the active theme. This is called at bootstrap time. We will only ever have one theme
* active for any given request.
*/
static function load_themes() {
$input = Input::instance();
$path = $input->server("PATH_INFO");
if (empty($path)) {
$path = "/" . $input->get("kohana_uri");
}
$config = Kohana_Config::instance();
$modules = $config->get("core.modules");
// Normally Router::find_uri() strips off the url suffix for us, but we're working off of the
// PATH_INFO here so we need to strip it off manually
if ($suffix = Kohana::config("core.url_suffix")) {
$path = preg_replace("#" . preg_quote($suffix) . "$#u", "", $path);
}
self::$is_admin = $path == "/admin" || !strncmp($path, "/admin/", 7);
self::$site_theme_name = module::get_var("gallery", "active_site_theme");
// If the site theme doesn't exist, fall back to wind.
if (!file_exists(THEMEPATH . self::$site_theme_name . "/theme.info")) {
site_status::error(t("Theme '%name' is missing. Falling back to the Wind theme.",
array("name" => self::$site_theme_name)), "missing_site_theme");
module::set_var("gallery", "active_site_theme", self::$site_theme_name = "wind");
}
if (self::$is_admin) {
// Load the admin theme
self::$admin_theme_name = module::get_var("gallery", "active_admin_theme");
// If the admin theme doesn't exist, fall back to admin_wind.
if (!file_exists(THEMEPATH . self::$admin_theme_name . "/theme.info")) {
site_status::error(t("Admin theme '%name' is missing! Falling back to the Wind theme.",
array("name" => self::$admin_theme_name)), "missing_admin_theme");
module::set_var("gallery", "active_admin_theme", self::$admin_theme_name = "admin_wind");
}
array_unshift($modules, THEMEPATH . self::$admin_theme_name);
// If the site theme has an admin subdir, load that as a module so that
// themes can provide their own code.
if (file_exists(THEMEPATH . self::$site_theme_name . "/admin")) {
array_unshift($modules, THEMEPATH . self::$site_theme_name . "/admin");
}
// Admins can override the site theme, temporarily. This lets us preview themes.
if (identity::active_user()->admin && $override = $input->get("theme")) {
if (file_exists(THEMEPATH . $override)) {
self::$admin_theme_name = $override;
array_unshift($modules, THEMEPATH . self::$admin_theme_name);
} else {
Kohana_Log::add("error", "Missing override admin theme: '$override'");
}
}
} else {
// Admins can override the site theme, temporarily. This lets us preview themes.
if (identity::active_user()->admin && $override = $input->get("theme")) {
if (file_exists(THEMEPATH . $override)) {
self::$site_theme_name = $override;
} else {
Kohana_Log::add("error", "Missing override site theme: '$override'");
}
}
array_unshift($modules, THEMEPATH . self::$site_theme_name);
}
$config->set("core.modules", $modules);
}
static function get_info($theme_name) {
$theme_name = preg_replace("/[^a-zA-Z0-9\._-]/", "", $theme_name);
$file = THEMEPATH . "$theme_name/theme.info";
$theme_info = new ArrayObject(parse_ini_file($file), ArrayObject::ARRAY_AS_PROPS);
$theme_info->description = t($theme_info->description);
$theme_info->name = t($theme_info->name);
return $theme_info;
}
}
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