--- /dev/null
+<?php
+/**
+ * wallabag, self hostable application allowing you to not miss any content anymore
+ *
+ * @category wallabag
+ * @author Nicolas Lœuillet <nicolas@loeuillet.org>
+ * @copyright 2013
+ * @license http://opensource.org/licenses/MIT see COPYING file
+ */
+
+class Template extends Twig_Environment
+{
+ protected $wallabag;
+
+ private $canRenderTemplates = TRUE;
+ private $currentTheme = '';
+
+ public function __construct(Poche $wallabag)
+ {
+ $this->wallabag = $wallabag;
+
+ // Set up theme
+ $pocheUser = Session::getParam('poche_user');
+
+ $themeDirectory = (is_null($pocheUser) ? DEFAULT_THEME : $pocheUser->getConfigValue('theme'));
+
+ if ($themeDirectory === false) {
+ $themeDirectory = DEFAULT_THEME;
+ }
+
+ $this->currentTheme = $themeDirectory;
+
+ if ($this->_themeIsInstalled() === array()) {
+ $this->_init();
+ }
+ }
+
+ /**
+ * Returns true if selected theme is installed
+ *
+ * @return bool
+ */
+ private function _themeIsInstalled()
+ {
+ $errors = array();
+
+ // Twig is an absolute requirement for wallabag to function.
+ // Abort immediately if the Composer installer hasn't been run yet
+ if (!$this->canRenderTemplates) {
+ $errors[] = 'Twig does not seem to be installed. Please initialize the Composer installation to automatically fetch dependencies. You can also download <a href="http://wllbg.org/vendor">vendor.zip</a> and extract it in your wallabag folder.';
+ }
+
+ // Check if the selected theme and its requirements are present
+ $theme = $this->getTheme();
+ if ($theme != '' && !is_dir(THEME . '/' . $theme)) {
+ $errors[] = 'The currently selected theme (' . $theme . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $theme . ')';
+ $this->canRenderTemplates = FALSE;
+ }
+
+ $themeInfo = $this->getThemeInfo($theme);
+ if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
+ foreach ($themeInfo['requirements'] as $requiredTheme) {
+ if (! is_dir(THEME . '/' . $requiredTheme)) {
+ $errors[] = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')';
+ $this->canRenderTemplates = FALSE;
+ }
+ }
+ }
+
+ $currentErrors = (is_null(Session::getParam('errors'))? array() : Session::getParam('errors'));
+ Session::setParam('errors', array_merge($errors, $currentErrors));
+
+ return $errors;
+ }
+
+ /**
+ * Initialization for templates
+ */
+ private function _init()
+ {
+ $loaderChain = new Twig_Loader_Chain();
+ $theme = $this->getTheme();
+
+ // add the current theme as first to the loader chain
+ // so Twig will look there first for overridden template files
+ try {
+ $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $theme));
+ } catch (Twig_Error_Loader $e) {
+ # @todo isInstalled() should catch this, inject Twig later
+ die('The currently selected theme (' . $theme . ') does not seem to be properly installed (' . THEME . '/' . $theme .' is missing)');
+ }
+
+ // add all required themes to the loader chain
+ $themeInfo = $this->getThemeInfo($theme);
+ if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
+ foreach ($themeInfo['requirements'] as $requiredTheme) {
+ try {
+ $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $requiredTheme));
+ } catch (Twig_Error_Loader $e) {
+ # @todo isInstalled() should catch this, inject Twig later
+ die('The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')');
+ }
+ }
+ }
+
+ if (DEBUG_POCHE) {
+ $twigParams = array();
+ } else {
+ $twigParams = array('cache' => CACHE);
+ }
+
+ parent::__construct($loaderChain, $twigParams);
+
+ //$tpl = new Twig_Environment($loaderChain, $twigParams);
+ $this->addExtension(new Twig_Extensions_Extension_I18n());
+
+ # filter to display domain name of an url
+ $filter = new Twig_SimpleFilter('getDomain', 'Tools::getDomain');
+ $this->addFilter($filter);
+
+ # filter for reading time
+ $filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
+ $this->addFilter($filter);
+ }
+
+ /**
+ * Returns current theme
+ *
+ * @return string
+ */
+ public function getTheme()
+ {
+ return $this->currentTheme;
+ }
+
+ /**
+ * Provides theme information by parsing theme.ini file if present in the theme's root directory.
+ * In all cases, the following data will be returned:
+ * - name: theme's name, or key if the theme is unnamed,
+ * - current: boolean informing if the theme is the current user theme.
+ *
+ * @param string $theme Theme key (directory name)
+ * @return array|boolean Theme information, or false if the theme doesn't exist.
+ */
+ public function getThemeInfo($theme)
+ {
+ if (!is_dir(THEME . '/' . $theme)) {
+ return false;
+ }
+
+ $themeIniFile = THEME . '/' . $theme . '/theme.ini';
+ $themeInfo = array();
+
+ if (is_file($themeIniFile) && is_readable($themeIniFile)) {
+ $themeInfo = parse_ini_file($themeIniFile);
+ }
+
+ if ($themeInfo === false) {
+ $themeInfo = array();
+ }
+
+ if (!isset($themeInfo['name'])) {
+ $themeInfo['name'] = $theme;
+ }
+
+ $themeInfo['current'] = ($theme === $this->getTheme());
+
+ return $themeInfo;
+ }
+
+ /**
+ * Returns an array with installed themes
+ *
+ * @return array
+ */
+ public function getInstalledThemes()
+ {
+ $handle = opendir(THEME);
+ $themes = array();
+
+ while (($theme = readdir($handle)) !== false) {
+ # Themes are stored in a directory, so all directory names are themes
+ # @todo move theme installation data to database
+ if (!is_dir(THEME . '/' . $theme) || in_array($theme, array('.', '..'))) {
+ continue;
+ }
+
+ $themes[$theme] = $this->getThemeInfo($theme);
+ }
+
+ ksort($themes);
+
+ return $themes;
+ }
+
+ /**
+ * Update theme for the current user
+ *
+ * @param $newTheme
+ */
+ public function updateTheme($newTheme)
+ {
+ # we are not going to change it to the current theme...
+ if ($newTheme == $this->getTheme()) {
+ $this->wallabag->messages->add('w', _('still using the "' . $this->getTheme() . '" theme!'));
+ Tools::redirect('?view=config');
+ }
+
+ $themes = $this->getInstalledThemes();
+ $actualTheme = false;
+
+ foreach (array_keys($themes) as $theme) {
+ if ($theme == $newTheme) {
+ $actualTheme = true;
+ break;
+ }
+ }
+
+ if (!$actualTheme) {
+ $this->wallabag->messages->add('e', _('that theme does not seem to be installed'));
+ Tools::redirect('?view=config');
+ }
+
+ $this->wallabag->store->updateUserConfig($this->wallabag->user->getId(), 'theme', $newTheme);
+ $this->wallabag->messages->add('s', _('you have changed your theme preferences'));
+
+ $currentConfig = $_SESSION['poche_user']->config;
+ $currentConfig['theme'] = $newTheme;
+
+ $_SESSION['poche_user']->setConfig($currentConfig);
+
+ $this->wallabag->emptyCache();
+
+ Tools::redirect('?view=config');
+ }
+}
\ No newline at end of file
projects / github / wallabag / wallabag.git / blobdiff