2021-12-04 00:05:10 +01:00
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<?php
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namespace Grav\Plugin;
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use Composer\Autoload\ClassLoader;
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use Grav\Common\Language\LanguageCodes;
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use Grav\Common\Page\Page;
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use \Grav\Common\Plugin;
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class LangSwitcherPlugin extends Plugin
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{
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/**
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* @return array
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*/
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public static function getSubscribedEvents()
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{
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return [
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'onPluginsInitialized' => [
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['autoload', 100001],
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['onPluginsInitialized', 0]
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]
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];
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}
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/**
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* [onPluginsInitialized:100000] Composer autoload.
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*
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* @return ClassLoader
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*/
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public function autoload()
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{
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return require __DIR__ . '/vendor/autoload.php';
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}
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/**
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* Initialize configuration
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*/
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public function onPluginsInitialized()
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{
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if ($this->isAdmin()) {
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$this->active = false;
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return;
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}
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$this->enable([
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'onTwigInitialized' => ['onTwigInitialized', 0],
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'onTwigTemplatePaths' => ['onTwigTemplatePaths', 0],
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'onTwigSiteVariables' => ['onTwigSiteVariables', 0]
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]);
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}
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/** Add the native_name function */
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public function onTwigInitialized()
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{
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$this->grav['twig']->twig()->addFunction(
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new \Twig_SimpleFunction('native_name', function($key) {
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return LanguageCodes::getNativeName($key);
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})
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);
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}
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/**
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* Add current directory to twig lookup paths.
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*/
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public function onTwigTemplatePaths()
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{
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$this->grav['twig']->twig_paths[] = __DIR__ . '/templates';
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}
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2022-08-14 01:03:40 +02:00
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/**
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* Generate localized route based on the translated slugs found through the pages hierarchy
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*/
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protected function getTranslatedUrl($lang, $path)
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{
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$translated_url_parts = array();
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$pages = $this->grav['pages'];
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$page = $pages->get($path);
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$current_node = $page;
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$max_recursions = 10;
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while ($max_recursions > 0 && $current_node !== null && $current_node->slug() != 'pages' && $path != 'pages') {
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$translated_md_filepath = "{$path}/{$current_node->template()}.{$lang}.md";
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if (file_exists($translated_md_filepath)) {
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$translated_page = new Page();
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$translated_page->init(new \SplFileInfo($translated_md_filepath));
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$translated_slug = $translated_page->slug();
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if (!empty($translated_slug)) {
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array_unshift($translated_url_parts, $translated_slug);
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} else {
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$untranslated_slug = $current_node->slug();
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if (!empty($untranslated_slug)) {
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array_unshift($translated_url_parts, $untranslated_slug);
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}
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}
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$current_node = $current_node->parent();
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$path = dirname($path);
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}
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$max_recursions--;
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}
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if (!empty($translated_url_parts)) {
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array_unshift($translated_url_parts, '');
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return implode('/', $translated_url_parts);
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} else {
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return '';
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}
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}
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2021-12-04 00:05:10 +01:00
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/**
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* Set needed variables to display Langswitcher.
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*/
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public function onTwigSiteVariables()
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{
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$data = new \stdClass;
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$page = $this->grav['page'];
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$data->page_route = $page->rawRoute();
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if ($page->home()) {
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$data->page_route = '/';
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}
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$languages = $this->grav['language']->getLanguages();
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$data->languages = $languages;
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if ($this->config->get('plugins.langswitcher.untranslated_pages_behavior') !== 'none') {
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$translated_pages = [];
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foreach ($languages as $language) {
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$translated_pages[$language] = null;
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$page_name_without_ext = substr($page->name(), 0, -(strlen($page->extension())));
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$translated_page_path = $page->path() . DS . $page_name_without_ext . '.' . $language . '.md';
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if (file_exists($translated_page_path)) {
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$translated_page = new Page();
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$translated_page->init(new \SplFileInfo($translated_page_path), $language . '.md');
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$translated_pages[$language] = $translated_page;
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}
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}
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$data->translated_pages = $translated_pages;
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}
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2022-08-14 01:03:40 +02:00
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$data->translated_routes = array();
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foreach ($data->languages as $language) {
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$data->translated_routes[$language] = $this->getTranslatedUrl($language, $page->path());
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if (empty($data->translated_routes[$language])) {
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$data->translated_routes[$language] = $data->page_route;
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}
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}
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2021-12-04 00:05:10 +01:00
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$data->current = $this->grav['language']->getLanguage();
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$this->grav['twig']->twig_vars['langswitcher'] = $this->grav['langswitcher'] = $data;
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if ($this->config->get('plugins.langswitcher.built_in_css')) {
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$this->grav['assets']->add('plugin://langswitcher/css/langswitcher.css');
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}
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}
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public function getNativeName($code) {
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}
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}
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