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<?php |
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/* |
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Plugin Name: Multisite Language Switcher |
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Plugin URI: http://msls.co/ |
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Description: A simple but powerful plugin that will help you to manage the relations of your contents in a multilingual multisite-installation. |
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Version: 1.0.6 |
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Author: Dennis Ploetner |
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Author URI: http://lloc.de/ |
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*/ |
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/* |
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Copyright 2013 Dennis Ploetner (email : [email protected]) |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* MultisiteLanguageSwitcher |
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* |
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* @author Dennis Ploetner <[email protected]> |
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*/ |
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if ( ! defined( 'MSLS_PLUGIN_VERSION' ) ) { |
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define( 'MSLS_PLUGIN_VERSION', '1.0.5' ); |
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if ( ! defined( 'MSLS_PLUGIN_PATH' ) ) { |
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define( 'MSLS_PLUGIN_PATH', plugin_basename( __FILE__ ) ); |
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} |
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if ( ! defined( 'MSLS_PLUGIN__FILE__' ) ) { |
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define( 'MSLS_PLUGIN__FILE__', __FILE__ ); |
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} |
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/** |
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* The Autoloader does all the magic when it comes to include a file |
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* @since 0.9.8 |
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* @package Msls |
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*/ |
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class MslsAutoloader { |
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/** |
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* Static loader method |
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* @param string $class |
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*/ |
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public static function load( $class ) { |
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if ( 'Msls' == substr( $class, 0, 4 ) ) { |
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require_once dirname( __FILE__ ) . '/includes/' . $class . '.php'; |
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} |
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} |
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} |
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/** |
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* The autoload-stack could be inactive so the function will return false |
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*/ |
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if ( in_array( '__autoload', (array) spl_autoload_functions() ) ) { |
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spl_autoload_register( '__autoload' ); |
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} |
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spl_autoload_register( array( 'MslsAutoloader', 'load' ) ); |
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/** |
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* Interface for classes which are to register in the MslsRegistry-instance |
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* |
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* get_called_class is just avalable in php >= 5.3 so I defined an interface here |
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* @package Msls |
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*/ |
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interface IMslsRegistryInstance { |
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/** |
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* Returnse an instance |
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* @return object |
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*/ |
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public static function instance(); |
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} |
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register_uninstall_hook( __FILE__, array( 'MslsPlugin', 'uninstall' ) ); |
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add_action( 'plugins_loaded', array( 'MslsPlugin', 'init_i18n_support' ) ); |
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if ( function_exists( 'is_multisite' ) && is_multisite() ) { |
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add_action( 'widgets_init', array( 'MslsPlugin', 'init_widget' ) ); |
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add_filter( 'locale', array( 'MslsPlugin', 'set_admin_language' ) ); |
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if ( is_admin() ) { |
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add_action( 'admin_menu', array( 'MslsPlugin', 'init' ) ); |
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add_action( 'admin_menu', array( 'MslsAdmin', 'init' ) ); |
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add_action( 'load-post.php', array( 'MslsMetaBox', 'init' ) ); |
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add_action( 'load-post-new.php', array( 'MslsMetaBox', 'init' ) ); |
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add_action( 'load-edit.php', array( 'MslsCustomColumn', 'init' ) ); |
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add_action( 'load-edit.php', array( 'MslsCustomFilter', 'init' ) ); |
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add_action( 'load-edit-tags.php', array( 'MslsCustomColumnTaxonomy', 'init' ) ); |
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add_action( 'load-edit-tags.php', array( 'MslsPostTag', 'init' ) ); |
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if ( filter_has_var( INPUT_POST, 'action' ) ) { |
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$action = filter_input( INPUT_POST, 'action', FILTER_SANITIZE_STRING ); |
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if ( 'add-tag' == $action ) { |
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add_action( 'admin_init', array( 'MslsPostTag', 'init' ) ); |
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} |
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elseif ( 'inline-save' == $action ) { |
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add_action( 'admin_init', array( 'MslsCustomColumn', 'init' ) ); |
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} |
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elseif ( 'inline-save-tax' == $action ) { |
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add_action( 'admin_init', array( 'MslsCustomColumnTaxonomy', 'init' ) ); |
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} |
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} |
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add_action( 'wp_ajax_suggest_posts', array( 'MslsMetaBox', 'suggest' ) ); |
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add_action( 'wp_ajax_suggest_terms', array( 'MslsPostTag', 'suggest' ) ); |
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} |
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/** |
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* Filter for the_content() |
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* |
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* @package Msls |
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* @uses MslsOptions |
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* @param string $content |
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* @return string |
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*/ |
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function msls_content_filter( $content ) { |
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if ( ! is_front_page() && is_singular() ) { |
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$options = MslsOptions::instance(); |
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if ( $options->is_content_filter() ) { |
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$content .= msls_filter_string(); |
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} |
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} |
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return $content; |
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} |
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add_filter( 'the_content', 'msls_content_filter' ); |
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/** |
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* Create filterstring for msls_content_filter() |
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* |
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* @package Msls |
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* @uses MslsOutput |
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* @param string $pref |
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* @param string $post |
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* @return string |
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*/ |
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function msls_filter_string( $pref = '<p id="msls">', $post = '</p>' ) { |
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$obj = new MslsOutput(); |
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$links = $obj->get( 1, true, true ); |
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$output = __( 'This post is also available in %s.', 'msls' ); |
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if ( has_filter( 'msls_filter_string' ) ) { |
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/** |
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* Overrides the string for the output of the translation hint |
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* @since 1.0 |
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* @param string $output |
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* @param array $links |
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*/ |
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$output = apply_filters( 'msls_filter_string', $output, $links ); |
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} |
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else { |
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if ( count( $links ) > 1 ) { |
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$last = array_pop( $links ); |
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$output = sprintf( |
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$output, |
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sprintf( |
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__( '%s and %s', 'msls' ), |
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implode( ', ', $links ), |
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$last |
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) |
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); |
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} |
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elseif ( 1 == count( $links ) ) { |
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$output = sprintf( |
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$output, |
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$links[0] |
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); |
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} |
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else { |
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$output = ''; |
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} |
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} |
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return( ! empty( $output ) ? $pref . $output . $post : '' ); |
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} |
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/** |
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* Get the output for using the links to the translations in your code |
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* |
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* @package Msls |
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* @param array $arr |
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* @return string |
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*/ |
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function get_the_msls( $arr = array() ) { |
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$obj = MslsOutput::init()->set_tags( (array) $arr ); |
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return( sprintf( '%s', $obj ) ); |
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} |
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add_shortcode( 'sc_msls', 'get_the_msls' ); |
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/** |
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* Output the links to the translations in your template |
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* |
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* You can call this function directly like that |
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* |
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* if ( function_exists ( 'the_msls' ) ) |
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* the_msls(); |
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* |
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* or just use it as shortcode [sc_msls] |
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* |
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* @package Msls |
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* @uses get_the_msls |
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* @param array $arr |
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*/ |
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function the_msls( $arr = array() ) { |
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echo get_the_msls( $arr ); // xss ok |
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} |
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/** |
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* Help searchengines to index and to serve the localized version with |
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* rel="alternate"-links in the html-header |
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*/ |
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function msls_head() { |
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$blogs = MslsBlogCollection::instance(); |
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$mydata = MslsOptions::create(); |
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foreach ( $blogs->get_objects() as $blog ) { |
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$language = $blog->get_language(); |
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$url = $mydata->get_current_link(); |
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$current = ( $blog->userblog_id == MslsBlogCollection::instance()->get_current_blog_id() ); |
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$title = $blog->get_description(); |
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if ( ! $current ) { |
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switch_to_blog( $blog->userblog_id ); |
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if ( 'MslsOptions' != get_class( $mydata ) && ( is_null( $mydata ) || ! $mydata->has_value( $language ) ) ) { |
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restore_current_blog(); |
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continue; |
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} |
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$url = $mydata->get_permalink( $language ); |
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$title = $blog->get_description(); |
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restore_current_blog(); |
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} |
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if ( has_filter( 'msls_head_hreflang' ) ) { |
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/** |
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* Overrides the hreflang value |
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* @since 0.9.9 |
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* @param string $language |
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*/ |
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$hreflang = (string) apply_filters( 'msls_head_hreflang', $language ); |
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} |
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else { |
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$hreflang = $blog->get_alpha2(); |
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} |
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printf( |
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'<link rel="alternate" hreflang="%s" href="%s" title="%s" />', |
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$hreflang, |
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$url, |
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esc_attr( $title ) |
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); |
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echo "\n"; |
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} |
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} |
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add_action( 'wp_head', 'msls_head' ); |
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} |
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else { |
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/** |
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* Prints a message that the Multisite Language Switcher needs an |
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* active multisite to work properly. |
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*/ |
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function plugin_needs_multisite() { |
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MslsPlugin::message_handler( |
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__( 'The Multisite Language Switcher needs the activation of the multisite-feature for working properly. Please read <a onclick="window.open(this.href); return false;" href="http://codex.wordpress.org/Create_A_Network">this post</a> if you don\'t know the meaning.', 'msls' ) |
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); |
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} |
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add_action( 'admin_notices', 'plugin_needs_multisite' ); |
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} |
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} |
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