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<?php |
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|
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/** |
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* Base class for both admin |
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* |
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* @since 1.8 |
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*/ |
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class PLL_Admin_Base extends PLL_Base { |
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public $filter_lang, $curlang, $pref_lang; |
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|
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/** |
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* Loads the polylang text domain |
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* Setups actions needed on all admin pages |
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* |
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* @since 1.8 |
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* |
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* @param object $links_model |
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*/ |
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public function __construct( &$links_model ) { |
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parent::__construct( $links_model ); |
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|
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// Plugin i18n, only needed for backend |
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load_plugin_textdomain( 'polylang', false, basename( POLYLANG_DIR ).'/languages' ); |
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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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// Setup js scripts and css styles |
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add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) ); |
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add_action( 'admin_print_footer_scripts', array( $this, 'admin_print_footer_scripts' ) ); |
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|
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// Lingotek |
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if ( ! defined( 'PLL_LINGOTEK_AD' ) || PLL_LINGOTEK_AD ) { |
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require_once( POLYLANG_DIR . '/lingotek/lingotek.php' ); |
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} |
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} |
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|
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/** |
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* Setups filters and action needed on all admin pages and on plugins page |
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* Loads the settings pages or the filters base on the request |
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* |
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* @since 1.2 |
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* |
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* @param object $links_model |
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*/ |
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public function init() { |
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if ( ! $this->model->get_languages_list() ) { |
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return; |
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} |
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|
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$this->links = new PLL_Admin_Links( $this ); // FIXME needed here ? |
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$this->static_pages = new PLL_Admin_Static_Pages( $this ); // FIXME needed here ? |
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$this->filters_links = new PLL_Filters_Links( $this ); // FIXME needed here ? |
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|
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// Filter admin language for users |
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// We must not call user info before WordPress defines user roles in wp-settings.php |
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add_filter( 'setup_theme', array( $this, 'init_user' ) ); |
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add_filter( 'request', array( $this, 'request' ) ); |
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|
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// Adds the languages in admin bar |
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add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 100 ); // 100 determines the position |
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} |
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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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* |
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* @since 0.1 |
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*/ |
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public function add_menus() { |
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add_submenu_page( 'options-general.php', $title = __( 'Languages', 'polylang' ), $title, 'manage_options', 'mlang', '__return_null' ); |
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} |
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|
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/** |
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* Setup js scripts & css styles ( only on the relevant pages ) |
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* |
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* @since 0.6 |
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*/ |
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public function admin_enqueue_scripts() { |
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$screen = get_current_screen(); |
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if ( empty( $screen ) ) { |
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return; |
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} |
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|
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$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; |
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|
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// For each script: |
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// 0 => the pages on which to load the script |
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// 1 => the scripts it needs to work |
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// 2 => 1 if loaded even if languages have not been defined yet, 0 otherwise |
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// 3 => 1 if loaded in footer |
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// FIXME: check if I can load more scripts in footer |
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$scripts = array( |
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'post' => array( array( 'post', 'media', 'async-upload', 'edit' ), array( 'jquery', 'wp-ajax-response', 'post', 'jquery-ui-autocomplete' ), 0 , 1 ), |
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'media' => array( array( 'upload' ), array( 'jquery' ), 0 , 1 ), |
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'term' => array( array( 'edit-tags', 'term' ), array( 'jquery', 'wp-ajax-response', 'jquery-ui-autocomplete' ), 0, 1 ), |
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'user' => array( array( 'profile', 'user-edit' ), array( 'jquery' ), 0 , 0 ), |
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); |
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|
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foreach ( $scripts as $script => $v ) { |
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if ( in_array( $screen->base, $v[0] ) && ( $v[2] || $this->model->get_languages_list() ) ) { |
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wp_enqueue_script( 'pll_' . $script, POLYLANG_URL . '/js/' . $script . $suffix . '.js', $v[1], POLYLANG_VERSION, $v[3] ); |
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} |
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} |
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|
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wp_enqueue_style( 'polylang_admin', POLYLANG_URL . '/css/admin' . $suffix . '.css', array(), POLYLANG_VERSION ); |
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} |
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|
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/** |
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* Sets pll_ajax_backend on all backend ajax request |
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* The final goal is to detect if an ajax request is made on admin or frontend |
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* |
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* Takes care to various situations: |
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* when the ajax request has no options.data thanks to ScreenfeedFr |
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* see: https://wordpress.org/support/topic/ajaxprefilter-may-not-work-as-expected |
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* when options.data is a json string |
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* see: https://wordpress.org/support/topic/polylang-breaking-third-party-ajax-requests-on-admin-panels |
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* when options.data is an empty string (GET request with the method 'load') |
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* see: https://wordpress.org/support/topic/invalid-url-during-wordpress-new-dashboard-widget-operation |
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* |
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* @since 1.4 |
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*/ |
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public function admin_print_footer_scripts() { |
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global $post_ID; |
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|
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$params = array( 'pll_ajax_backend' => 1 ); |
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if ( ! empty( $post_ID ) ) { |
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$params = array_merge( $params, array( 'pll_post_id' => (int) $post_ID ) ); |
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} |
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|
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$str = http_build_query( $params ); |
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$arr = json_encode( $params ); |
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?> |
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<script type="text/javascript"> |
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if (typeof jQuery != 'undefined') { |
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(function($){ |
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$.ajaxPrefilter(function (options, originalOptions, jqXHR) { |
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if ( -1 != options.url.indexOf( ajaxurl ) ) { |
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if ( 'undefined' === typeof options.data ) { |
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options.data = ( 'get' === options.type.toLowerCase() ) ? '<?php echo $str;?>' : <?php echo $arr;?>; |
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} else { |
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if ( 'string' === typeof options.data ) { |
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if ( '' === options.data && 'get' === options.type.toLowerCase() ) { |
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options.url = options.url+'&<?php echo $str;?>'; |
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} else { |
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try { |
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o = $.parseJSON(options.data); |
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o = $.extend(o, <?php echo $arr;?>); |
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options.data = JSON.stringify(o); |
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} |
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catch(e) { |
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options.data = '<?php echo $str;?>&'+options.data; |
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} |
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} |
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} else { |
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options.data = $.extend(options.data, <?php echo $arr;?>); |
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} |
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} |
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} |
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}); |
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})(jQuery) |
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} |
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</script><?php |
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} |
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|
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/** |
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* Sets the admin current language, used to filter the content |
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* |
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* @since 2.0 |
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*/ |
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public function set_current_language() { |
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$this->curlang = $this->filter_lang; |
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|
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// Edit Post |
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if ( isset( $_REQUEST['pll_post_id'] ) ) { |
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$this->curlang = $this->model->post->get_language( (int) $_REQUEST['pll_post_id'] ); |
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} elseif ( 'post.php' === $GLOBALS['pagenow'] && isset( $_GET['post'] ) && is_numeric( $_GET['post'] ) ) { |
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$this->curlang = $this->model->post->get_language( (int) $_GET['post'] ); |
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} elseif ( 'post-new.php' === $GLOBALS['pagenow'] ) { |
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$this->curlang = empty( $_GET['new_lang'] ) ? $this->pref_lang : $this->model->get_language( $_GET['new_lang'] ); |
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} |
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|
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// Edit Term |
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// FIXME 'edit-tags.php' for backward compatibility with WP < 4.5 |
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elseif ( in_array( $GLOBALS['pagenow'], array( 'edit-tags.php', 'term.php' ) ) && isset( $_GET['tag_ID'] ) ) { |
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$this->curlang = $this->model->term->get_language( (int) $_GET['tag_ID'] ); |
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} elseif ( 'edit-tags.php' === $GLOBALS['pagenow'] ) { |
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if ( ! empty( $_GET['new_lang'] ) ) { |
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$this->curlang = $this->model->get_language( $_GET['new_lang'] ); |
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} elseif ( empty( $this->curlang ) ) { |
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$this->curlang = $this->pref_lang; |
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} |
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} |
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|
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// Ajax |
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if ( defined( 'DOING_AJAX' ) && DOING_AJAX && ! empty( $_REQUEST['lang'] ) ) { |
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$this->curlang = $this->model->get_language( $_REQUEST['lang'] ); |
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} |
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} |
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|
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/** |
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* Defines the backend language and the admin language filter based on user preferences |
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* |
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* @since 1.2.3 |
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*/ |
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public function init_user() { |
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// Backend locale |
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add_filter( 'locale', array( $this, 'get_locale' ) ); |
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|
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// Language for admin language filter: may be empty |
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// $_GET['lang'] is numeric when editing a language, not when selecting a new language in the filter |
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if ( ! defined( 'DOING_AJAX' ) && ! empty( $_GET['lang'] ) && ! is_numeric( $_GET['lang'] ) && current_user_can( 'edit_user', $user_id = get_current_user_id() ) ) { |
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update_user_meta( $user_id, 'pll_filter_content', ( $lang = $this->model->get_language( $_GET['lang'] ) ) ? $lang->slug : '' ); |
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} |
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|
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$this->filter_lang = $this->model->get_language( get_user_meta( get_current_user_id(), 'pll_filter_content', true ) ); |
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|
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// Set preferred language for use when saving posts and terms: must not be empty |
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$this->pref_lang = empty( $this->filter_lang ) ? $this->model->get_language( $this->options['default_lang'] ) : $this->filter_lang; |
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|
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/** |
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* Filter the preferred language on amin side |
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* The preferred language is used for example to determine the language of a new post |
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* |
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* @since 1.2.3 |
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* |
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* @param object $pref_lang preferred language |
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*/ |
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$this->pref_lang = apply_filters( 'pll_admin_preferred_language', $this->pref_lang ); |
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|
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$this->set_current_language(); |
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|
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// Inform that the admin language has been set |
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// Only if the admin language is one of the Polylang defined language |
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if ( $curlang = $this->model->get_language( get_locale() ) ) { |
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$GLOBALS['text_direction'] = $curlang->is_rtl ? 'rtl' : 'ltr'; // force text direction according to language setting |
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/** This action is documented in frontend/choose-lang.php */ |
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do_action( 'pll_language_defined', $curlang->slug, $curlang ); |
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} |
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else { |
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/** This action is documented in include/class-polylang.php */ |
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do_action( 'pll_no_language_defined' ); // to load overriden textdomains |
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} |
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} |
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|
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/** |
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* Avoids parsing a tax query when all languages are requested |
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* Fixes https://wordpress.org/support/topic/notice-undefined-offset-0-in-wp-includesqueryphp-on-line-3877 introduced in WP 4.1 |
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* @see the suggestion of @boonebgorges, https://core.trac.wordpress.org/ticket/31246 |
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* |
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* @since 1.6.5 |
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* |
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* @param array $qvars |
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* @return array |
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*/ |
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public function request( $qvars ) { |
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if ( isset( $qvars['lang'] ) && 'all' === $qvars['lang'] ) { |
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unset( $qvars['lang'] ); |
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} |
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|
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return $qvars; |
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} |
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|
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/** |
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* Get the locale based on user preference |
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* |
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* @since 0.4 |
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* |
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* @param string $locale |
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* @return string modified locale |
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*/ |
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public function get_locale( $locale ) { |
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return ( $loc = get_user_meta( get_current_user_id(), 'user_lang', 'true' ) ) ? $loc : $locale; |
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} |
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|
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/** |
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* Adds the languages list in admin bar for the admin languages filter |
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* |
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* @since 0.9 |
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* |
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* @param object $wp_admin_bar |
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*/ |
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public function admin_bar_menu( $wp_admin_bar ) { |
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$url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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|
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$all_item = (object) array( |
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'slug' => 'all', |
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'name' => __( 'Show all languages', 'polylang' ), |
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'flag' => '<span class="ab-icon"></span>', |
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); |
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|
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$selected = empty( $this->filter_lang ) ? $all_item : $this->filter_lang; |
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|
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$title = sprintf( |
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'<span class="ab-label"%s>%s</span>', |
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'all' === $selected->slug ? '' : sprintf( ' lang="%s"', esc_attr( $selected->get_locale( 'display' ) ) ), |
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esc_html( $selected->name ) |
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); |
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|
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$wp_admin_bar->add_menu( array( |
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'id' => 'languages', |
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'title' => $selected->flag . $title, |
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'meta' => array( 'title' => __( 'Filters content by language', 'polylang' ) ), |
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) ); |
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|
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foreach ( array_merge( array( $all_item ), $this->model->get_languages_list() ) as $lang ) { |
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if ( $selected->slug === $lang->slug ) { |
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continue; |
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} |
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|
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$wp_admin_bar->add_menu( array( |
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'parent' => 'languages', |
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'id' => $lang->slug, |
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'title' => $lang->flag . esc_html( $lang->name ), |
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'href' => esc_url( add_query_arg( 'lang', $lang->slug, remove_query_arg( 'paged', $url ) ) ), |
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'meta' => 'all' === $lang->slug ? array() : array( 'lang' => esc_attr( $lang->get_locale( 'display' ) ) ), |
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) ); |
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} |
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} |
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} |
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|
