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<?php
namespace Zotlabs\Render;
use App;
use Zotlabs\Lib\PConfig;
class Theme {
static $system_theme = null;
static $session_theme = null;
/**
* @brief Array with base or fallback themes.
*/
static $base_themes = array('redbasic');
/**
* @brief Figure out the best matching theme and return it.
*
* The theme will depend on channel settings, mobile, session, core compatibility, etc.
*
* @return array
*/
static public function current() {
self::$system_theme = ((isset(App::$config['system']['theme']))
? App::$config['system']['theme'] : '');
self::$session_theme = ((isset($_SESSION) && x($_SESSION, 'theme'))
? $_SESSION['theme'] : self::$system_theme);
$page_theme = null;
// Find the theme that belongs to the channel whose stuff we are looking at
if(App::$profile_uid) {
$r = q("select channel_theme from channel where channel_id = %d limit 1",
intval(App::$profile_uid)
);
if($r) {
$page_theme = $r[0]['channel_theme'];
}
}
// Themes from Comanche layouts over-ride the channel theme
if(array_key_exists('theme', App::$layout) && App::$layout['theme']) {
$page_theme = App::$layout['theme'];
}
$chosen_theme = self::$session_theme;
if($page_theme) {
$chosen_theme = $page_theme;
}
if(array_key_exists('theme_preview', $_GET))
$chosen_theme = $_GET['theme_preview'];
// Allow theme selection of the form 'theme_name:schema_name'
$themepair = explode(':', $chosen_theme);
// Check if $chosen_theme is compatible with core. If not fall back to default
$info = get_theme_info($themepair[0]);
$compatible = check_plugin_versions($info);
if(!$compatible) {
$chosen_theme = '';
}
App::$theme_info = $info;
if($chosen_theme && (file_exists('view/theme/' . $themepair[0] . '/css/style.css') || file_exists('view/theme/' . $themepair[0] . '/php/style.php'))) {
return($themepair);
}
foreach(self::$base_themes as $t) {
if(file_exists('view/theme/' . $t . '/css/style.css') ||
file_exists('view/theme/' . $t . '/php/style.php')) {
return(array($t));
}
}
// Worst case scenario, the default base theme or themes don't exist; perhaps somebody renamed it/them.
// Find any theme at all and use it.
$fallback = array_merge(glob('view/theme/*/css/style.css'), glob('view/theme/*/php/style.php'));
if(count($fallback))
return(array(str_replace('view/theme/', '', substr($fallback[0], 0, -14))));
}
/**
* @brief Return full URL to theme which is currently in effect.
*
* Provide a sane default if nothing is chosen or the specified theme does not exist.
*
* @return string
*/
static public function url() {
$uid = App::$profile_uid ?: local_channel();
$theme = self::current();
$t = $theme[0];
$s = ((count($theme) > 1) ? $theme[1] : '');
$opts = '';
$opts = (($uid) ? '?puid=' . $uid : '');
$schema_str = ((x(App::$layout,'schema')) ? '&schema=' . App::$layout['schema'] : '');
if(($s) && (! $schema_str))
$schema_str = '&schema=' . $s;
$opts .= $schema_str;
if ($uid) {
$timestamp = PConfig::Get($uid, 'system', 'style_update', false);
if ($timestamp) {
$opts .= '&updt=' . $timestamp;
}
}
if(file_exists('view/theme/' . $t . '/php/style.php'))
return('/view/theme/' . $t . '/php/style.css' . $opts);
return('/view/theme/' . $t . '/css/style.css');
}
function debug() {
logger('system_theme: ' . self::$system_theme);
logger('session_theme: ' . self::$session_theme);
}
}
|
