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456
phpMyAdmin/libraries/classes/ThemeManager.php
Executable file
456
phpMyAdmin/libraries/classes/ThemeManager.php
Executable file
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* phpMyAdmin theme manager
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*
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* @package PhpMyAdmin
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*/
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namespace PhpMyAdmin;
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use PhpMyAdmin\Theme;
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use PhpMyAdmin\Url;
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/**
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* phpMyAdmin theme manager
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*
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* @package PhpMyAdmin
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*/
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class ThemeManager
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{
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/**
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* ThemeManager instance
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*
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* @access private
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* @static
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* @var ThemeManager
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*/
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private static $_instance;
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/**
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* @var string path to theme folder
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* @access protected
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*/
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private $_themes_path = './themes/';
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/**
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* @var array available themes
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*/
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var $themes = array();
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/**
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* @var string cookie name
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*/
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var $cookie_name = 'pma_theme';
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/**
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* @var boolean
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*/
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var $per_server = false;
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/**
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* @var string name of active theme
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*/
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var $active_theme = '';
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/**
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* @var Theme Theme active theme
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*/
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var $theme = null;
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/**
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* @var string
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*/
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var $theme_default;
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/**
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* @const string The name of the fallback theme
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*/
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const FALLBACK_THEME = 'pmahomme';
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/**
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* Constructor for Theme Manager class
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*
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* @access public
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*/
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public function __construct()
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{
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$this->themes = array();
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$this->theme_default = self::FALLBACK_THEME;
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$this->active_theme = '';
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if (! $this->setThemesPath('./themes/')) {
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return;
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}
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$this->setThemePerServer($GLOBALS['cfg']['ThemePerServer']);
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$this->loadThemes();
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$this->theme = new Theme;
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if (! $this->checkTheme($GLOBALS['cfg']['ThemeDefault'])) {
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trigger_error(
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sprintf(
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__('Default theme %s not found!'),
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htmlspecialchars($GLOBALS['cfg']['ThemeDefault'])
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),
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E_USER_ERROR
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);
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$GLOBALS['cfg']['ThemeDefault'] = false;
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}
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$this->theme_default = $GLOBALS['cfg']['ThemeDefault'];
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// check if user have a theme cookie
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$cookie_theme = $this->getThemeCookie();
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if (! $cookie_theme || ! $this->setActiveTheme($cookie_theme)) {
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if ($GLOBALS['cfg']['ThemeDefault']) {
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// otherwise use default theme
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$this->setActiveTheme($this->theme_default);
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} else {
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// or fallback theme
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$this->setActiveTheme(self::FALLBACK_THEME);
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}
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}
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}
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/**
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* Returns the singleton Response object
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*
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* @return Response object
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*/
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public static function getInstance()
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{
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if (empty(self::$_instance)) {
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self::$_instance = new ThemeManager();
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}
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return self::$_instance;
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}
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/**
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* sets path to folder containing the themes
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*
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* @param string $path path to themes folder
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*
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* @access public
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* @return boolean success
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*/
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public function setThemesPath($path)
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{
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if (! $this->_checkThemeFolder($path)) {
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return false;
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}
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$this->_themes_path = trim($path);
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return true;
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}
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/**
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* sets if there are different themes per server
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*
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* @param boolean $per_server Whether to enable per server flag
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*
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* @access public
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* @return void
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*/
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public function setThemePerServer($per_server)
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{
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$this->per_server = (bool) $per_server;
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}
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/**
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* Sets active theme
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*
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* @param string $theme theme name
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*
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* @access public
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* @return bool true on success
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*/
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public function setActiveTheme($theme = null)
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{
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if (! $this->checkTheme($theme)) {
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trigger_error(
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sprintf(
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__('Theme %s not found!'),
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htmlspecialchars($theme)
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),
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E_USER_ERROR
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);
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return false;
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}
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$this->active_theme = $theme;
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$this->theme = $this->themes[$theme];
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// need to set later
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//$this->setThemeCookie();
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return true;
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}
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/**
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* Returns name for storing theme
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*
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* @return string cookie name
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* @access public
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*/
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public function getThemeCookieName()
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{
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// Allow different theme per server
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if (isset($GLOBALS['server']) && $this->per_server) {
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return $this->cookie_name . '-' . $GLOBALS['server'];
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}
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return $this->cookie_name;
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}
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/**
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* returns name of theme stored in the cookie
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*
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* @return string theme name from cookie
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* @access public
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*/
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public function getThemeCookie()
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{
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/** @var Config $PMA_Config */
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global $PMA_Config;
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$name = $this->getThemeCookieName();
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if ($PMA_Config->issetCookie($name)) {
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return $PMA_Config->getCookie($name);
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}
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return false;
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}
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/**
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* save theme in cookie
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*
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* @return bool true
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* @access public
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*/
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public function setThemeCookie()
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{
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$GLOBALS['PMA_Config']->setCookie(
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$this->getThemeCookieName(),
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$this->theme->id,
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$this->theme_default
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);
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// force a change of a dummy session variable to avoid problems
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// with the caching of phpmyadmin.css.php
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$GLOBALS['PMA_Config']->set('theme-update', $this->theme->id);
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return true;
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}
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/**
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* Checks whether folder is valid for storing themes
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*
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* @param string $folder Folder name to test
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*
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* @return boolean
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* @access private
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*/
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private function _checkThemeFolder($folder)
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{
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if (! is_dir($folder)) {
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trigger_error(
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sprintf(
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__('Theme path not found for theme %s!'),
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htmlspecialchars($folder)
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),
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E_USER_ERROR
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);
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return false;
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}
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return true;
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}
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/**
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* read all themes
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*
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* @return bool true
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* @access public
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*/
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public function loadThemes()
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{
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$this->themes = array();
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if (false === ($handleThemes = opendir($this->_themes_path))) {
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trigger_error(
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'phpMyAdmin-ERROR: cannot open themes folder: '
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. $this->_themes_path,
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E_USER_WARNING
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);
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return false;
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}
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// check for themes directory
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while (false !== ($PMA_Theme = readdir($handleThemes))) {
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// Skip non dirs, . and ..
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if ($PMA_Theme == '.'
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|| $PMA_Theme == '..'
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|| ! @is_dir($this->_themes_path . $PMA_Theme)
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) {
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continue;
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}
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if (array_key_exists($PMA_Theme, $this->themes)) {
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continue;
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}
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$new_theme = Theme::load(
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$this->_themes_path . $PMA_Theme
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);
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if ($new_theme) {
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$new_theme->setId($PMA_Theme);
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$this->themes[$PMA_Theme] = $new_theme;
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}
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} // end get themes
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closedir($handleThemes);
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ksort($this->themes);
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return true;
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}
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/**
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* checks if given theme name is a known theme
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*
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* @param string $theme name fo theme to check for
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*
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* @return bool
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* @access public
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*/
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public function checkTheme($theme)
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{
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return array_key_exists($theme, $this->themes);
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}
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/**
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* returns HTML selectbox, with or without form enclosed
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*
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* @param boolean $form whether enclosed by from tags or not
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*
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* @return string
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* @access public
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*/
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public function getHtmlSelectBox($form = true)
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{
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$select_box = '';
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if ($form) {
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$select_box .= '<form name="setTheme" method="post"';
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$select_box .= ' action="index.php" class="disableAjax">';
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$select_box .= Url::getHiddenInputs();
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}
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$theme_preview_path= './themes.php';
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$theme_preview_href = '<a href="'
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. $theme_preview_path . '" target="themes" class="themeselect">';
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$select_box .= $theme_preview_href . __('Theme:') . '</a>' . "\n";
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$select_box .= '<select name="set_theme" lang="en" dir="ltr"'
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. ' class="autosubmit">';
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foreach ($this->themes as $each_theme_id => $each_theme) {
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$select_box .= '<option value="' . $each_theme_id . '"';
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if ($this->active_theme === $each_theme_id) {
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$select_box .= ' selected="selected"';
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}
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$select_box .= '>' . htmlspecialchars($each_theme->getName())
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. '</option>';
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}
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$select_box .= '</select>';
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if ($form) {
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$select_box .= '</form>';
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}
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return $select_box;
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}
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/**
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* Renders the previews for all themes
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*
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* @return string
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* @access public
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*/
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public function getPrintPreviews()
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{
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$retval = '';
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foreach ($this->themes as $each_theme) {
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$retval .= $each_theme->getPrintPreview();
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} // end 'open themes'
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return $retval;
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}
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/**
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* returns Theme object for fall back theme
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*
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* @return Theme fall back theme
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* @access public
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*/
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public function getFallBackTheme()
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{
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if (isset($this->themes[self::FALLBACK_THEME])) {
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return $this->themes[self::FALLBACK_THEME];
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}
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return false;
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}
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/**
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* prints css data
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*
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* @return bool
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* @access public
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*/
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public function printCss()
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{
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if ($this->theme->loadCss()) {
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return true;
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}
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// if loading css for this theme failed, try default theme css
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$fallback_theme = $this->getFallBackTheme();
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if ($fallback_theme && $fallback_theme->loadCss()) {
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return true;
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}
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return false;
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}
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/**
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* Theme initialization
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*
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* @return void
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* @access public
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*/
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public static function initializeTheme()
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{
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$tmanager = self::getInstance();
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/**
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* the theme object
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*
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* @global Theme $GLOBALS['PMA_Theme']
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*/
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$GLOBALS['PMA_Theme'] = $tmanager->theme;
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// BC
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/**
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* the theme path
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* @global string $GLOBALS['pmaThemePath']
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*/
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$GLOBALS['pmaThemePath'] = $GLOBALS['PMA_Theme']->getPath();
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/**
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* the theme image path
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* @global string $GLOBALS['pmaThemeImage']
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*/
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$GLOBALS['pmaThemeImage'] = $GLOBALS['PMA_Theme']->getImgPath();
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/**
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* load layout file if exists
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*/
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if (@file_exists($GLOBALS['PMA_Theme']->getLayoutFile())) {
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include $GLOBALS['PMA_Theme']->getLayoutFile();
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}
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}
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}
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