429 lines
8.8 KiB
PHP
429 lines
8.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use const E_USER_ERROR;
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use function file_exists;
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use function file_get_contents;
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use function filemtime;
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use function filesize;
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use function in_array;
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use function is_array;
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use function is_dir;
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use function is_readable;
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use function json_decode;
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use function sprintf;
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use function trigger_error;
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use function trim;
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use function version_compare;
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/**
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* handles theme
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*
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* @todo add the possibility to make a theme depend on another theme
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* and by default on original
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* @todo make all components optional - get missing components from 'parent' theme
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*/
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class Theme
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{
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/**
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* @var string theme version
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* @access protected
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*/
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public $version = '0.0.0.0';
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/**
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* @var string theme name
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* @access protected
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*/
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public $name = '';
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/**
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* @var string theme id
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* @access protected
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*/
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public $id = '';
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/**
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* @var string theme path
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* @access protected
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*/
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public $path = '';
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/** @var string file system theme path */
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private $fsPath = '';
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/**
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* @var string image path
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* @access protected
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*/
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public $imgPath = '';
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/**
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* @var int last modification time for info file
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* @access protected
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*/
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public $mtimeInfo = 0;
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/**
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* needed because sometimes, the mtime for different themes
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* is identical
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*
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* @var int filesize for info file
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* @access protected
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*/
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public $filesizeInfo = 0;
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/**
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* @var array List of css files to load
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* @access private
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*/
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public $cssFiles = [
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'common',
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'enum_editor',
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'gis',
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'navigation',
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'designer',
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'rte',
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'codemirror',
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'jqplot',
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'resizable-menu',
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'icons',
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];
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/** @var Template */
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public $template;
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public function __construct()
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{
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$this->template = new Template();
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}
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/**
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* Loads theme information
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*
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* @return bool whether loading them info was successful or not
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*
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* @access public
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*/
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public function loadInfo()
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{
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$infofile = $this->getFsPath() . 'theme.json';
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if (! @file_exists($infofile)) {
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return false;
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}
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if ($this->mtimeInfo === filemtime($infofile)) {
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return true;
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}
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$content = @file_get_contents($infofile);
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if ($content === false) {
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return false;
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}
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$data = json_decode($content, true);
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// Did we get expected data?
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if (! is_array($data)) {
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return false;
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}
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// Check that all required data are there
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$members = [
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'name',
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'version',
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'supports',
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];
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foreach ($members as $member) {
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if (! isset($data[$member])) {
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return false;
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}
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}
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// Version check
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if (! is_array($data['supports'])) {
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return false;
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}
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if (! in_array(PMA_MAJOR_VERSION, $data['supports'])) {
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return false;
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}
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$this->mtimeInfo = filemtime($infofile);
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$this->filesizeInfo = filesize($infofile);
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$this->setVersion($data['version']);
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$this->setName($data['name']);
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return true;
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}
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/**
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* returns theme object loaded from given folder
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* or false if theme is invalid
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*
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* @param string $folder path to theme
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* @param string $fsPath file-system path to theme
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*
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* @return Theme|false
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*
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* @static
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* @access public
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*/
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public static function load(string $folder, string $fsPath)
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{
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$theme = new Theme();
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$theme->setPath($folder);
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$theme->setFsPath($fsPath);
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if (! $theme->loadInfo()) {
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return false;
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}
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$theme->checkImgPath();
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return $theme;
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}
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/**
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* checks image path for existence - if not found use img from fallback theme
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*
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* @return bool
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*
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* @access public
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*/
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public function checkImgPath()
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{
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// try current theme first
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if (is_dir($this->getFsPath() . 'img/')) {
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$this->setImgPath($this->getPath() . '/img/');
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return true;
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}
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// try fallback theme
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$fallback = ThemeManager::getThemesDir() . ThemeManager::FALLBACK_THEME . '/img/';
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if (is_dir(ThemeManager::getThemesFsDir() . ThemeManager::FALLBACK_THEME . '/img/')) {
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$this->setImgPath($fallback);
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return true;
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}
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// we failed
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trigger_error(
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sprintf(
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__('No valid image path for theme %s found!'),
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$this->getName()
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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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/**
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* returns path to theme
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*
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* @return string path to theme
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*
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* @access public
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*/
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public function getPath()
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{
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return $this->path;
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}
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/**
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* returns file system path to the theme
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*
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* @return string file system path to theme
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*/
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public function getFsPath(): string
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{
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return $this->fsPath;
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}
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/**
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* set path to theme
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*
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* @param string $path path to theme
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*
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* @return void
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*
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* @access public
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*/
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public function setPath($path)
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{
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$this->path = trim($path);
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}
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/**
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* set file system path to the theme
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*
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* @param string $path path to theme
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*/
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public function setFsPath(string $path): void
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{
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$this->fsPath = trim($path);
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}
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/**
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* sets version
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*
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* @param string $version version to set
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*
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* @return void
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*
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* @access public
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*/
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public function setVersion($version)
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{
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$this->version = trim($version);
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}
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/**
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* returns version
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*
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* @return string version
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*
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* @access public
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*/
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public function getVersion()
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{
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return $this->version;
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}
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/**
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* checks theme version against $version
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* returns true if theme version is equal or higher to $version
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*
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* @param string $version version to compare to
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*
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* @return bool true if theme version is equal or higher to $version
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*
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* @access public
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*/
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public function checkVersion($version)
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{
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return version_compare($this->getVersion(), $version, 'lt');
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}
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/**
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* sets name
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*
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* @param string $name name to set
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*
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* @return void
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*
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* @access public
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*/
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public function setName($name)
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{
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$this->name = trim($name);
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}
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/**
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* returns name
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*
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* @return string name
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*
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* @access public
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* sets id
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*
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* @param string $id new id
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*
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* @return void
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*
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* @access public
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*/
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public function setId($id)
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{
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$this->id = trim($id);
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}
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/**
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* returns id
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*
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* @return string id
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*
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* @access public
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*/
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public function getId()
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{
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return $this->id;
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}
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/**
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* Sets path to images for the theme
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*
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* @param string $path path to images for this theme
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*
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* @return void
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*
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* @access public
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*/
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public function setImgPath($path)
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{
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$this->imgPath = $path;
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}
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/**
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* Returns the path to image for the theme.
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* If filename is given, it possibly fallbacks to fallback
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* theme for it if image does not exist.
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*
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* @param string $file file name for image
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* @param string $fallback fallback image
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*
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* @return string image path for this theme
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*
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* @access public
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*/
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public function getImgPath($file = null, $fallback = null)
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{
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if ($file === null) {
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return $this->imgPath;
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}
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if (is_readable($this->imgPath . $file)) {
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return $this->imgPath . $file;
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}
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if ($fallback !== null) {
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return $this->getImgPath($fallback);
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}
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return './themes/' . ThemeManager::FALLBACK_THEME . '/img/' . $file;
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}
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/**
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* Renders the preview for this theme
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*
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* @return string
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*
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* @access public
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*/
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public function getPrintPreview()
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{
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$url_params = ['set_theme' => $this->getId()];
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$screen = null;
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if (@file_exists($this->getFsPath() . 'screen.png')) {
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$screen = $this->getPath() . '/screen.png';
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}
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return $this->template->render('theme_preview', [
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'url_params' => $url_params,
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'name' => $this->getName(),
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'version' => $this->getVersion(),
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'id' => $this->getId(),
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'screen' => $screen,
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]);
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}
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}
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