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<?php |
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|
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require_once(PLL_INC.'/list-table.php'); |
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require_once(PLL_INC.'/admin-filters.php'); |
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|
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// setups the Polylang admin panel and calls for other admin related classes |
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class Polylang_Admin extends Polylang_Base { |
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function __construct() { |
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new Polylang_Admin_Filters(); |
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|
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// adds a 'settings' link in the plugins table |
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$plugin_file = basename(POLYLANG_DIR).'/polylang.php'; |
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add_filter('plugin_action_links_'.$plugin_file, array(&$this, 'plugin_action_links')); |
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|
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// adds the link to the languages panel in the wordpress admin menu |
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add_action('admin_menu', array(&$this, 'add_menus')); |
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} |
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|
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// adds a 'settings' link in the plugins table |
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function plugin_action_links($links) { |
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$settings_link = '<a href="admin.php?page=mlang">' . __('Settings') . '</a>'; |
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array_unshift( $links, $settings_link ); |
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return $links; |
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} |
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|
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// adds the link to the languages panel in the wordpress admin menu |
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function add_menus() { |
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add_submenu_page('options-general.php', __('Languages', 'polylang'), __('Languages', 'polylang'), 'manage_options', 'mlang', array(&$this, 'languages_page')); |
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} |
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|
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// used to update the translation when a language slug has been modified |
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function update_translations($type, $ids, $old_slug) { |
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foreach ($ids as $id) { |
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$tr = get_metadata($type, $id, '_translations', true); |
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if($tr) { |
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$tr = unserialize($tr); |
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$tr[$_POST['slug']] = $tr[$old_slug]; |
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unset($tr[$old_slug]); |
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update_metadata($type, $id, '_translations', serialize($tr)); |
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} |
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} |
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} |
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|
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// used to delete the translation when a language is deleted |
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function delete_translations($type, $ids, $old_slug) { |
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foreach ($ids as $id) { |
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$tr = get_metadata($type, $id, '_translations', true); |
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if($tr) { |
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$tr = unserialize($tr); |
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unset($tr[$old_slug]); |
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update_metadata($type, $id, '_translations', serialize($tr)); |
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} |
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} |
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} |
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|
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// the languages panel |
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function languages_page() { |
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global $wp_rewrite; |
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$options = get_option('polylang'); |
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|
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$listlanguages = $this->get_languages_list(); |
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$list_table = new Polylang_List_Table(); |
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|
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// for nav menus form |
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$locations = get_registered_nav_menus(); |
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$menus = wp_get_nav_menus(); |
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$menu_lang = get_option('polylang_nav_menus'); |
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|
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$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : ''; |
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|
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switch ($action) { |
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case 'add': |
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check_admin_referer( 'add-lang', '_wpnonce_add-lang' ); |
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$error = $this->validate_lang(); |
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|
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if ($error == 0) { |
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wp_insert_term($_POST['name'],'language',array('slug'=>$_POST['slug'], 'description'=>$_POST['description'])); |
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$wp_rewrite->flush_rules(); // refresh rewrite rules |
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|
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if (!isset($options['default_lang'])) { // if this is the first language created, set it as default language |
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$options['default_lang'] = $_POST['slug']; |
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update_option('polylang', $options); |
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} |
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} |
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|
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wp_redirect('admin.php?page=mlang'. ($error ? '&error='.$error : '') ); // to refresh the page (possible thanks to the $_GET['noheader']=true) |
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exit; |
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break; |
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|
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case 'delete': |
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check_admin_referer('delete-lang'); |
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|
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if (isset($_GET['lang']) && $_GET['lang']) { |
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$lang_id = (int) $_GET['lang']; |
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$lang = $this->get_language($lang_id); |
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$lang_slug = $lang->slug; |
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|
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// update the language slug in posts meta |
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$posts = get_posts(array('numberposts'=>-1, 'fields' => 'ids', 'meta_key'=>'_translations', 'post_type'=>'any', 'post_status'=>'any')); |
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$this->delete_translations('post', $posts, $lang_slug); |
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|
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// update the language slug in categories & post tags meta |
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$terms= get_terms(get_taxonomies(array('show_ui'=>true)), array('get'=>'all', 'fields'=>'ids')); |
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$this->delete_translations('term', $terms, $lang_slug); |
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|
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foreach ($terms as $id) |
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$this->delete_term_language($id); // delete language of this term |
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|
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// delete menus locations |
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foreach ($locations as $location => $description) { |
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unset($menu_lang[$location][$lang_slug]); |
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} |
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update_option('polylang_nav_menus', $menu_lang); |
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|
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// delete the language itself |
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wp_delete_term($lang_id, 'language'); |
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$wp_rewrite->flush_rules(); // refresh rewrite rules |
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|
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// oops ! we deleted the default language... |
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if ($options['default_lang'] == $lang_slug) { |
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if (!empty($listlanguages)) |
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$options['default_lang'] = reset($this->get_languages_list())->slug; // arbitrary choice... |
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else |
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unset($options['default_lang']); |
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update_option('polylang', $options); |
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} |
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} |
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wp_redirect('admin.php?page=mlang'); // to refresh the page (possible thanks to the $_GET['noheader']=true) |
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exit; |
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break; |
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|
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case 'edit': |
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if (isset($_GET['lang']) && $_GET['lang']) |
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$edit_lang = $this->get_language((int) $_GET['lang']); |
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break; |
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|
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case 'update': |
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check_admin_referer( 'add-lang', '_wpnonce_add-lang' ); |
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$lang_id = (int) $_POST['lang_id']; |
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$lang = $this->get_language($lang_id); |
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$error = $this->validate_lang($lang); |
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|
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if ($error == 0) { |
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// Update links to this language in posts and terms in case the slug has been modified |
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$old_slug = $lang->slug; |
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|
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if ($old_slug != $_POST['slug']) { |
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// update the language slug in posts meta |
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$posts = get_posts(array('numberposts'=>-1, 'fields' => 'ids', 'meta_key'=>'_translations', 'post_type'=>'any', 'post_status'=>'any')); |
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$this->update_translations('post', $posts, $old_slug); |
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|
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// update the language slug in categories & post tags meta |
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$terms = get_terms(get_taxonomies(array('show_ui'=>true)), array('get'=>'all', 'fields'=>'ids')); |
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$this->update_translations('term', $terms, $old_slug); |
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|
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// update menus locations |
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foreach ($locations as $location => $description) { |
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if (isset($menu_lang[$location][$old_slug])) { |
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$menu_lang[$location][$_POST['slug']] = $menu_lang[$location][$old_slug]; |
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unset($menu_lang[$location][$old_slug]); |
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} |
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} |
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update_option('polylang_nav_menus', $menu_lang); |
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|
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// update the default language option if necessary |
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if ($options['default_lang'] == $old_slug) { |
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$options['default_lang'] = $_POST['slug']; |
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update_option('polylang', $options); |
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} |
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} |
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|
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// and finally update the language itself |
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wp_update_term($lang_id, 'language', array('name'=>$_POST['name'], 'slug'=>$_POST['slug'], 'description'=>$_POST['description'])); |
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$wp_rewrite->flush_rules(); // refresh rewrite rules |
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} |
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|
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wp_redirect('admin.php?page=mlang'. ($error ? '&error='.$error : '') ); // to refresh the page (possible thanks to the $_GET['noheader']=true) |
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exit; |
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break; |
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|
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case 'nav-menus': |
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check_admin_referer( 'nav-menus-lang', '_wpnonce_nav-menus-lang' ); |
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|
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$menu_lang = $_POST['menu-lang']; |
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foreach ($locations as $location => $description) |
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foreach (array('switcher', 'show_names', 'show_flags', 'force_home') as $key) |
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$menu_lang[$location][$key] = isset($menu_lang[$location][$key]) ? 1 : 0; |
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|
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update_option('polylang_nav_menus', $menu_lang); |
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break; |
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|
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case 'options': |
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check_admin_referer( 'options-lang', '_wpnonce_options-lang' ); |
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|
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$options['default_lang'] = $_POST['default_lang']; |
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$options['browser'] = isset($_POST['browser']) ? 1 : 0; |
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$options['rewrite'] = $_POST['rewrite']; |
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$options['hide_default'] = isset($_POST['hide_default']) ? 1 : 0; |
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update_option('polylang', $options); |
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|
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// refresh refresh permalink structure and rewrite rules in case rewrite or hide_default options have been modified |
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$wp_rewrite->extra_permastructs['language'][0] = $options['rewrite'] ? '%language%' : '/language/%language%'; |
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$wp_rewrite->flush_rules(); |
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|
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// fills existing posts & terms with default language |
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if (isset($_POST['fill_languages'])) { |
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if(isset($_POST['posts'])) { |
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foreach(explode(',', $_POST['posts']) as $post_id) { |
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wp_set_post_terms($post_id, $options['default_lang'], 'language' ); |
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} |
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} |
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if(isset($_POST['terms'])) { |
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foreach(explode(',', $_POST['terms']) as $term_id) { |
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$this->update_term_language($term_id, $this->get_language($options['default_lang'])); |
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} |
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} |
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} |
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break; |
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|
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default: |
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break; |
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} |
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|
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// prepare the list of tabs |
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$tabs = array( |
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'lang' => __('Languages','polylang'), |
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'menus' => __('Menus','polylang'), |
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'settings' => __('Settings', 'polylang') |
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); |
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if (!current_theme_supports( 'menus' )) |
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unset($tabs['menus']); // don't display the menu tab if the active them does not support nav menus |
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|
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$active_tab = isset($_GET['tab']) && $_GET['tab'] ? $_GET['tab'] : 'lang'; |
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|
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switch($active_tab) { |
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case 'lang': |
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// prepare the list table of languages |
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$data = array(); |
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foreach ($listlanguages as $lang) |
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$data[] = array_merge( (array) $lang, array('flag' => $this->get_flag($lang)) ) ; |
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|
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$list_table->prepare_items($data); |
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|
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$errors[1] = __('Enter a valid WorPress locale', 'polylang'); |
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$errors[2] = __('The language code must be 2 characters long', 'polylang'); |
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$errors[3] = __('The language code must be unique', 'polylang'); |
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$errors[4] = __('The language must have a name', 'polylang'); |
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break; |
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|
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case 'menus': |
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// prepare the list of options for the language switcher |
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// FIXME do not include the dropdown yet as I need to create a better script (only available for the widget now) |
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$menu_options = array( |
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'switcher' => __('Displays a language switcher at the end of the menu', 'polylang'), |
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'show_names' => __('Displays language names', 'polylang'), |
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'show_flags' => __('Displays flags', 'polylang'), |
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'force_home' => __('Forces link to front page', 'polylang') |
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); |
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|
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// default values |
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foreach ($locations as $key=>$location) |
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$menu_lang[$key] = wp_parse_args($menu_lang[$key], array('switcher'=> 0, 'show_names'=>1, 'show_flags'=>0, 'force_home'=>0)); |
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|
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break; |
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|
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case 'settings': |
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//FIXME rework this as it would not be efficient in case of thousands posts or terms ! |
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// detects posts & pages without language set |
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$q = array( |
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'numberposts'=>-1, |
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'post_type' => 'any', |
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'post_status'=>'any', |
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'fields' => 'ids', |
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'tax_query' => array(array( |
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'taxonomy'=> 'language', |
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'terms'=> get_terms('language', array('fields'=>'ids')), |
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'operator'=>'NOT IN' |
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)) |
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); |
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$posts = implode(',', get_posts($q)); |
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|
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// detects categories & post tags without language set |
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$terms = get_terms(get_taxonomies(array('show_ui'=>true)), array('get'=>'all', 'fields'=>'ids')); |
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|
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foreach ($terms as $key => $term_id) { |
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if ($this->get_term_language($term_id)) |
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unset($terms[$key]); |
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} |
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$terms = implode(',', $terms); |
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break; |
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|
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default: |
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break; |
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} |
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// displays the page |
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include(PLL_INC.'/languages-form.php'); |
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} |
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|
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// validates data entered when creating or updating a language |
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function validate_lang($lang = null) { |
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// validate locale |
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$loc = $_POST['description']; |
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if ( !preg_match('#^[a-z]{2}$#', $loc) && !preg_match('#^[a-z]{2}_[A-Z]{2}$#', $loc) ) |
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$error = 1; |
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|
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// validate slug length |
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if (strlen($_POST['slug']) != 2) |
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$error = 2; |
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|
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// validate slug is unique |
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if ($this->get_language($_POST['slug']) != null && isset($lang) && $lang->slug != $_POST['slug']) |
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$error = 3; |
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|
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// validate name |
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if ($_POST['name'] == '') |
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$error = 4; |
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|
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return isset($error) ? $error : 0; |
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} |
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|
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} // class Polylang_Admin |
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|
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?> |
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|
