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<?php |
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|
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/** |
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* It is best practice that plugins do nothing before plugins_loaded is fired |
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* so it is what Polylang intends to do |
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* but some plugins load their text domain as soon as loaded, thus before plugins_loaded is fired |
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* this class differs text domain loading until the language is defined |
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* either in a plugins_loaded action or in a wp action ( when the language is set from content on frontend ) |
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* |
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* @since 1.2 |
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*/ |
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class PLL_OLT_Manager { |
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static protected $instance; // For singleton |
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protected $default_locale; |
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protected $list_textdomains = array(); // All text domains |
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public $labels = array(); // Post types and taxonomies labels to translate |
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|
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/** |
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* Constructor: setups relevant filters |
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* |
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* @since 1.2 |
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*/ |
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public function __construct() { |
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// Saves the default locale before we start any language manipulation |
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$this->default_locale = get_locale(); |
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|
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// Filters for text domain management |
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add_filter( 'load_textdomain_mofile', array( $this, 'load_textdomain_mofile' ), 10, 2 ); |
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add_filter( 'gettext', array( $this, 'gettext' ), 10, 3 ); |
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add_filter( 'gettext_with_context', array( $this, 'gettext_with_context' ), 10, 4 ); |
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|
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// Loads text domains |
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add_action( 'pll_language_defined', array( $this, 'load_textdomains' ), 2 ); // After PLL_Frontend::pll_language_defined |
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add_action( 'pll_no_language_defined', array( $this, 'load_textdomains' ) ); |
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|
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// Allows Polylang to be the first plugin loaded ;-) |
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add_filter( 'pre_update_option_active_plugins', array( $this, 'make_polylang_first' ) ); |
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add_filter( 'pre_update_option_active_sitewide_plugins', array( $this, 'make_polylang_first' ) ); |
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} |
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|
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/** |
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* Access to the single instance of the class |
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* |
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* @since 1.7 |
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* |
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* @return object |
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*/ |
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static public function instance() { |
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if ( empty( self::$instance ) ) { |
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self::$instance = new self(); |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* Loads text domains |
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* |
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* @since 0.1 |
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*/ |
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public function load_textdomains() { |
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// Our load_textdomain_mofile filter has done its job. let's remove it before calling load_textdomain |
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remove_filter( 'load_textdomain_mofile', array( $this, 'load_textdomain_mofile' ), 10, 2 ); |
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remove_filter( 'gettext', array( $this, 'gettext' ), 10, 3 ); |
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remove_filter( 'gettext_with_context', array( $this, 'gettext_with_context' ), 10, 4 ); |
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$new_locale = get_locale(); |
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|
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// Don't try to save time for en_US as some users have theme written in another language |
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// Now we can load all overriden text domains with the right language |
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if ( ! empty( $this->list_textdomains ) ) { |
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foreach ( $this->list_textdomains as $textdomain ) { |
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// Since WP 4.6, plugins translations are first loaded from wp-content/languages |
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if ( ! load_textdomain( $textdomain['domain'], str_replace( "{$this->default_locale}.mo", "$new_locale.mo", $textdomain['mo'] ) ) ) { |
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// Since WP 3.5 themes may store languages files in /wp-content/languages/themes |
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if ( ! load_textdomain( $textdomain['domain'], WP_LANG_DIR . "/themes/{$textdomain['domain']}-$new_locale.mo" ) ) { |
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// Since WP 3.7 plugins may store languages files in /wp-content/languages/plugins |
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load_textdomain( $textdomain['domain'], WP_LANG_DIR . "/plugins/{$textdomain['domain']}-$new_locale.mo" ); |
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} |
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} |
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} |
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} |
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|
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// First remove taxonomies and post_types labels that we don't need to translate |
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$taxonomies = array( 'language', 'term_language', 'term_translations', 'post_translations' ); |
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$post_types = array( 'polylang_mo' ); |
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|
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// We don't need to translate core taxonomies and post types labels when setting the language from the url |
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// As they will be translated when registered the second time |
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if ( ! did_action( 'setup_theme' ) ) { |
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$taxonomies = array_merge( array( 'category', 'post_tag', 'nav_menu', 'link_category', 'post_format' ), $taxonomies ); |
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$post_types = array_merge( array( 'post', 'page', 'attachment', 'revision', 'nav_menu_item' ), $post_types ); |
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} |
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|
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// Translate labels of post types and taxonomies |
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foreach ( array_diff_key( $GLOBALS['wp_taxonomies'], array_flip( $taxonomies ) ) as $tax ) { |
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$this->translate_labels( $tax ); |
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} |
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foreach ( array_diff_key( $GLOBALS['wp_post_types'], array_flip( $post_types ) ) as $pt ) { |
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$this->translate_labels( $pt ); |
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} |
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|
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// Act only if the language has not been set early ( before default textdomain loading and $wp_locale creation ) |
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if ( did_action( 'after_setup_theme' ) ) { |
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// Reinitializes wp_locale for weekdays and months |
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unset( $GLOBALS['wp_locale'] ); |
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$GLOBALS['wp_locale'] = new WP_Locale(); |
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} |
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|
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/** |
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* Fires after the post types and taxonomies labels have been translated |
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* This allows plugins to translate text the same way we do for post types and taxonomies labels |
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* |
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* @since 1.2 |
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* |
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* @param array $labels list of strings to trnaslate |
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*/ |
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do_action_ref_array( 'pll_translate_labels', array( &$this->labels ) ); |
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|
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// Free memory |
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unset( $this->default_locale, $this->list_textdomains, $this->labels ); |
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} |
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|
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/** |
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* FIXME: Backward compatibility with Polylang for WooCommerce < 0.3.4 |
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* To remove in Polylang 2.1 |
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* |
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* @since 0.1 |
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* |
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* @param bool $bool not used |
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* @param string $domain text domain name |
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* @param string $mofile translation file name |
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* @return bool |
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*/ |
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public function mofile( $bool, $domain, $mofile ) { |
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return $bool; |
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} |
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|
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/** |
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* Saves all text domains in a table for later usage |
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* It replaces the 'override_load_textdomain' filter used since 0.1 |
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* |
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* @since 2.0.4 |
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* |
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* @param string $mofile translation file name |
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* @param string $domain text domain name |
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* @return bool |
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*/ |
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public function load_textdomain_mofile( $mofile, $domain ) { |
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$this->list_textdomains[ $domain ] = array( 'mo' => $mofile, 'domain' => $domain ); |
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return ''; // Hack to prevent WP loading text domains as we will load them all later |
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} |
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|
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/** |
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* Saves post types and taxonomies labels for a later usage |
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* |
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* @since 0.9 |
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* |
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* @param string $translation not used |
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* @param string $text string to translate |
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* @param string $domain text domain |
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* @return string unmodified $translation |
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*/ |
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public function gettext( $translation, $text, $domain ) { |
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if ( is_string( $text ) ) { // Avoid a warning with some buggy plugins which pass an array |
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$this->labels[ $text ] = array( 'domain' => $domain ); |
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} |
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return $translation; |
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} |
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|
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/** |
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* Saves post types and taxonomies labels for a later usage |
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* |
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* @since 0.9 |
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* |
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* @param string $translation not used |
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* @param string $text string to translate |
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* @param string $context some comment to describe the context of string to translate |
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* @param string $domain text domain |
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* @return string unmodified $translation |
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*/ |
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public function gettext_with_context( $translation, $text, $context, $domain ) { |
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$this->labels[ $text ] = array( 'domain' => $domain, 'context' => $context ); |
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return $translation; |
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} |
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|
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/** |
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* Translates post types and taxonomies labels once the language is known |
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* |
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* @since 0.9 |
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* |
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* @param object $type either a post type or a taxonomy |
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*/ |
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public function translate_labels( $type ) { |
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// Use static array to avoid translating several times the same ( default ) labels |
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static $translated = array(); |
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|
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foreach ( $type->labels as $key => $label ) { |
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if ( is_string( $label ) && isset( $this->labels[ $label ] ) ) { |
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if ( empty( $translated[ $label ] ) ) { |
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$type->labels->$key = $translated[ $label ] = isset( $this->labels[ $label ]['context'] ) ? |
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_x( $label, $this->labels[ $label ]['context'], $this->labels[ $label ]['domain'] ) : |
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__( $label, $this->labels[ $label ]['domain'] ); |
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} |
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else { |
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$type->labels->$key = $translated[ $label ]; |
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} |
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} |
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} |
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} |
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|
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/** |
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* Allows Polylang to be the first plugin loaded ;- ) |
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* |
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* @since 1.2 |
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* |
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* @param array $plugins list of active plugins |
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* @return array list of active plugins |
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*/ |
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public function make_polylang_first( $plugins ) { |
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if ( $key = array_search( POLYLANG_BASENAME, $plugins ) ) { |
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unset( $plugins[ $key ] ); |
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array_unshift( $plugins, POLYLANG_BASENAME ); |
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} |
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return $plugins; |
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} |
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} |
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