| 1 |
<?php |
| 2 |
|
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// all modifications of the WordPress admin ui |
| 4 |
class Polylang_Admin_Filters extends Polylang_Base { |
| 5 |
function __construct() { |
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// additionnal filters and actions |
| 7 |
add_action('admin_init', array(&$this, 'admin_init')); |
| 8 |
|
| 9 |
// setup js scripts andd css styles |
| 10 |
add_action('admin_print_scripts', array(&$this,'admin_js')); |
| 11 |
add_action('admin_print_styles', array(&$this,'admin_css')); |
| 12 |
|
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// add the language column (as well as a filter by language) in 'All Posts' an 'All Pages' panels |
| 14 |
add_filter('manage_posts_columns', array(&$this, 'add_post_column'), 10, 2); |
| 15 |
add_filter('manage_pages_columns', array(&$this, 'add_post_column')); |
| 16 |
add_action('manage_posts_custom_column', array(&$this, 'post_column'), 10, 2); |
| 17 |
add_action('manage_pages_custom_column', array(&$this, 'post_column'), 10, 2); |
| 18 |
add_filter('parse_query',array(&$this,'parse_query')); |
| 19 |
add_action('restrict_manage_posts', array(&$this, 'restrict_manage_posts')); |
| 20 |
|
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// adds the Languages box in the 'Edit Post' and 'Edit Page' panels |
| 22 |
add_action('add_meta_boxes', array(&$this, 'add_meta_boxes')); |
| 23 |
|
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// ajax response for changing the language in the post metabox |
| 25 |
add_action('wp_ajax_post_lang_choice', array(&$this,'post_lang_choice')); |
| 26 |
|
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// adds actions related to languages when saving or deleting posts and pages |
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add_action('save_post', array(&$this, 'save_post')); |
| 29 |
add_action('before_delete_post', array(&$this, 'delete_post')); |
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|
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// filters categories and post tags by language |
| 32 |
add_filter('terms_clauses', array(&$this, 'terms_clauses'), 10, 3); |
| 33 |
|
| 34 |
// ajax response for edit term form |
| 35 |
add_action('wp_ajax_term_lang_choice', array(&$this,'term_lang_choice')); |
| 36 |
|
| 37 |
// modifies the theme location nav menu metabox |
| 38 |
add_filter('admin_head-nav-menus.php', array(&$this, 'nav_menu_theme_locations')); |
| 39 |
|
| 40 |
// widgets languages filter |
| 41 |
add_action('in_widget_form', array(&$this, 'in_widget_form')); |
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add_filter('widget_update_callback', array(&$this, 'widget_update_callback'), 10, 4); |
| 43 |
|
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// language management for users |
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add_filter('locale', array(&$this, 'get_locale')); |
| 46 |
add_action('personal_options_update', array(&$this, 'personal_options_update')); |
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add_action('personal_options', array(&$this, 'personal_options')); |
| 48 |
|
| 49 |
// refresh rewrite rules if the 'page_on_front' option is modified |
| 50 |
add_action('update_option', array(&$this, 'update_option')); |
| 51 |
} |
| 52 |
|
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// add these actions and filters here and not in the constructor to be sure that all taxonomies are registered |
| 54 |
function admin_init() { |
| 55 |
foreach (get_taxonomies(array('show_ui'=>true)) as $tax) { |
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// adds the language field in the 'Categories' and 'Post Tags' panels |
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add_action($tax.'_add_form_fields', array(&$this, 'add_term_form')); |
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|
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// adds the language field and translations tables in the 'Edit Category' and 'Edit Tag' panels |
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add_action($tax.'_edit_form_fields', array(&$this, 'edit_term_form')); |
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|
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// adds the language column in the 'Categories' and 'Post Tags' tables |
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add_filter('manage_edit-'.$tax.'_columns', array(&$this, 'add_term_column')); |
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add_action('manage_'.$tax.'_custom_column', array(&$this, 'term_column'), 10, 3); |
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|
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// adds actions related to languages when saving or deleting categories and post tags |
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add_action('created_'.$tax, array(&$this, 'save_term')); |
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add_action('edited_'.$tax, array(&$this, 'save_term')); |
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add_action('delete_'.$tax, array(&$this, 'delete_term')); |
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} |
| 71 |
} |
| 72 |
|
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// setup js scripts |
| 74 |
function admin_js() { |
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wp_enqueue_script('polylang_admin', WP_PLUGIN_URL .'/polylang/js/admin.js'); |
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} |
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|
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// setup css styles |
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function admin_css() { |
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wp_enqueue_style('polylang_admin', WP_PLUGIN_URL .'/polylang/css/admin.css'); |
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} |
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|
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// adds the language column (before the date column) in the posts and pages list table |
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function add_post_column($columns, $post_type ='') { |
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if ($post_type == '' || get_post_type_object($post_type)->show_ui) { |
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foreach (array( 'date', 'comments' ) as $k) { |
| 87 |
if (array_key_exists($k, $columns)) |
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$end[$k] = array_pop($columns); |
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} |
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|
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$columns['language'] = __('Language', 'polylang'); |
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|
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if (isset($end)) |
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$columns = array_merge($columns, $end); |
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} |
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return $columns; |
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} |
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|
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// fills the language column in the posts table |
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function post_column($column, $post_id) { |
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if ($column == 'language' && $lang = $this->get_post_language($post_id)) |
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echo esc_html($lang->name); |
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} |
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|
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// converts language term_id to slug in $query |
| 106 |
// needed to filter the posts by language with wp_dropdown_categories in restrict_manage_posts |
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function parse_query($query) { |
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global $pagenow; |
| 109 |
$qvars = &$query->query_vars; |
| 110 |
if ($pagenow=='edit.php' && isset($qvars['lang']) && $qvars['lang'] && is_numeric($qvars['lang']) && $lang = $this->get_language($qvars['lang'])) |
| 111 |
$qvars['lang'] = $lang->slug; |
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} |
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|
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// adds a filter for languages in the Posts and Pages panels |
| 115 |
function restrict_manage_posts() { |
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global $wp_query; |
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$screen = get_current_screen(); // since WP 3.1 |
| 118 |
$languages = $this->get_languages_list(); |
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|
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if (!empty($languages) && $screen->base == 'edit') { |
| 121 |
$qvars = $wp_query->query; |
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wp_dropdown_categories(array( |
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'show_option_all' => __('Show all languages', 'polylang'), |
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'name' => 'lang', |
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'selected' => isset($qvars['lang']) ? $qvars['lang'] : 0, |
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'taxonomy' => 'language', |
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'hide_empty' => 0 |
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)); |
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} |
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} |
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|
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// adds the Languages box in the 'Edit Post' and 'Edit Page' panels (as well as in custom post types panels |
| 133 |
function add_meta_boxes() { |
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foreach(get_post_types( array( 'show_ui' => true ) ) as $ptype) |
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add_meta_box('ml_box', __('Languages','polylang'), array(&$this,'post_language'), $ptype, 'side','high'); |
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} |
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|
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// the Languages metabox in the 'Edit Post' and 'Edit Page' panels |
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function post_language() { |
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global $post_ID; |
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$post_type = get_post_type($post_ID); |
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|
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$lang = $this->get_post_language($post_ID); |
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if (isset($_GET['new_lang'])) |
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$lang = $this->get_language($_GET['new_lang']); |
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|
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if (!isset($lang)) { |
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$options = get_option('polylang'); |
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$lang = $this->get_language($options['default_lang']); |
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} |
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|
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$listlanguages = $this->get_languages_list(); |
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|
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include(PLL_INC.'/post-metabox.php'); |
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} |
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|
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// ajax response for changing the language in the post metabox |
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function post_lang_choice() { |
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global $post_ID; // obliged to use the global variable for wp_popular_terms_checklist |
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$post_ID = $_POST['post_id']; |
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$post_type = get_post_type($post_ID); |
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$listlanguages = $this->get_languages_list(); |
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$lang = $this->get_language($_POST['lang']); |
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|
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ob_start(); |
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if ($lang && !is_wp_error($lang)) |
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include(PLL_INC.'/post-translations.php'); |
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$x = new WP_Ajax_Response(array('what' => 'translations', 'data' => ob_get_contents())); |
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ob_end_clean(); |
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|
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if (isset($_POST['taxonomies'])) { |
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// not set for pages |
| 173 |
foreach ($_POST['taxonomies'] as $taxname) { |
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$taxonomy = get_taxonomy($taxname); |
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|
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ob_start(); |
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$popular_ids = wp_popular_terms_checklist($taxonomy->name); |
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$supplemental['populars'] = ob_get_contents(); |
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ob_end_clean(); |
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|
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ob_start(); |
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// use $post_ID to remember ckecked terms in case we come back to the original language |
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wp_terms_checklist( $post_ID, array( 'taxonomy' => $taxonomy->name, 'popular_cats' => $popular_ids )); |
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$supplemental['all'] = ob_get_contents(); |
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ob_end_clean(); |
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|
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ob_start(); |
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wp_dropdown_categories( array( |
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'taxonomy' => $taxonomy->name, 'hide_empty' => 0, 'name' => 'new'.$taxonomy->name.'_parent', 'orderby' => 'name', |
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'hierarchical' => 1, 'show_option_none' => '— '.$taxonomy->labels->parent_item.' —' |
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) ); |
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$supplemental['dropdown'] = ob_get_contents(); |
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ob_end_clean(); |
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|
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$x->Add(array('what' => 'taxonomy', 'data' => $taxonomy->name, 'supplemental' => $supplemental)); |
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} |
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} |
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|
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$x->send(); |
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} |
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|
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// saves translations for posts or terms |
| 203 |
// the underscore in '_lang' hides the post meta in the Custom Fields metabox in the Edit Post screen |
| 204 |
function save_translations($type, $id) { |
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$lang = call_user_func(array(&$this, 'get_'.$type.'_language'), $id); |
| 206 |
if (!$lang) |
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return; |
| 208 |
|
| 209 |
if (isset($_POST['tr_lang']) && is_array($_POST['tr_lang'])) { |
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$tr = serialize(array_merge(array($lang->slug => $id), $_POST['tr_lang'])); |
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update_metadata($type, $id, '_translations', $tr); |
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|
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foreach($_POST['tr_lang'] as $key=>$p) |
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update_metadata($type, $p, '_translations', $tr); |
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} |
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} |
| 217 |
|
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// called when a post (or page) is saved, published or updated |
| 219 |
function save_post($post_id) { |
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// avoids breaking translations when using inline or bulk edit |
| 221 |
if(isset($_POST['_inline_edit']) || isset($_GET['bulk_edit'])) |
| 222 |
return; |
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|
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if ($id = wp_is_post_revision($post_id)) |
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$post_id = $id; |
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|
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if (isset($_POST['post_lang_choice'])) |
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wp_set_post_terms($post_id, $_POST['post_lang_choice'], 'language' ); |
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|
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$this->save_translations('post', $post_id); |
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} |
| 232 |
|
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// called when a post (or page) is deleted |
| 234 |
function delete_post($post_id) { |
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if ($id = wp_is_post_revision($post_id)) |
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$post_id = $id; |
| 237 |
|
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$this->delete_translation('post', $post_id); |
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} |
| 240 |
|
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// filters categories and post tags by language when needed |
| 242 |
function terms_clauses($clauses, $taxonomies, $args) { |
| 243 |
// does nothing except on taxonomies which have show_ui set to 1 (includes category and post_tags) |
| 244 |
foreach ($taxonomies as $tax) { |
| 245 |
if(!get_taxonomy($tax)->show_ui) |
| 246 |
return $clauses; |
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} |
| 248 |
|
| 249 |
if (function_exists('get_current_screen')) |
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$screen = get_current_screen(); // since WP 3.1, may not be available the first time(s) get_terms is called |
| 251 |
|
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// does nothing in the Categories, Post tags, Languages and Posts* admin panels |
| 253 |
// I test $_POST['action'] for ajax since $screen not defined in this case |
| 254 |
// FIXME Can I improve the way I do that ? |
| 255 |
if (!isset($_POST['action']) && (!isset($screen) || $screen->base == 'edit-tags' || $screen->base == 'toplevel_page_mlang' || $screen->base == 'edit')) |
| 256 |
return $clauses; |
| 257 |
|
| 258 |
// *FIXME I want all categories in the dropdown list and only the ones in the right language in the inline edit |
| 259 |
// It seems that I need javascript to get the post_id as inline edit data are manipulated in inline-edit-post.js |
| 260 |
|
| 261 |
global $post_ID; |
| 262 |
$options = get_option('polylang'); |
| 263 |
|
| 264 |
// ajax response for changing the language in the post metabox |
| 265 |
if (isset($_POST['lang'])) |
| 266 |
$lang = $this->get_language($_POST['lang']); |
| 267 |
|
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// the post is created with the 'add new' (translation) link |
| 269 |
elseif (isset($_GET['new_lang'])) |
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$lang = $this->get_language($_GET['new_lang']); |
| 271 |
|
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elseif (isset($_GET['post'])) |
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$lang = $this->get_post_language($_GET['post']); |
| 274 |
|
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// when a new category is created in the edit post panel |
| 276 |
elseif (isset($_POST['term_lang_choice'])) |
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$lang = $this->get_language($_POST['term_lang_choice']); |
| 278 |
|
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// for a new post |
| 280 |
elseif ($screen->base == 'post' && !PLL_DISPLAY_ALL) |
| 281 |
$lang = $this->get_language($options['default_lang']); |
| 282 |
|
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// adds our clauses to filter by current language |
| 284 |
return isset($lang) ? $this->_terms_clauses($clauses, $lang) : $clauses; |
| 285 |
} |
| 286 |
|
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// adds the language field in the 'Categories' and 'Post Tags' panels |
| 288 |
function add_term_form() { |
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$taxonomy = $_GET['taxonomy']; |
| 290 |
|
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if (isset($_GET['new_lang'])) |
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$lang = $this->get_language($_GET['new_lang']); |
| 293 |
else { |
| 294 |
$options = get_option('polylang'); |
| 295 |
$lang = $this->get_language($options['default_lang']); |
| 296 |
} |
| 297 |
|
| 298 |
$listlanguages = $this->get_languages_list(); |
| 299 |
|
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// displays the language field |
| 301 |
include(PLL_INC.'/add-term-form.php'); |
| 302 |
} |
| 303 |
|
| 304 |
// adds the language field and translations tables in the 'Edit Category' and 'Edit Tag' panels |
| 305 |
function edit_term_form($tag) { |
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$term_id = $tag->term_id; |
| 307 |
$lang = $this->get_term_language($term_id); |
| 308 |
$taxonomy = $tag->taxonomy; |
| 309 |
$listlanguages = $this->get_languages_list(); |
| 310 |
|
| 311 |
include(PLL_INC.'/edit-term-form.php'); |
| 312 |
} |
| 313 |
|
| 314 |
// adds the language column (before the posts column) in the 'Categories' or Post Tags table |
| 315 |
function add_term_column($columns) { |
| 316 |
if (array_key_exists('posts', $columns)) |
| 317 |
$end = array_pop($columns); |
| 318 |
|
| 319 |
$columns['language'] = __('Language', 'polylang'); |
| 320 |
|
| 321 |
if (isset($end)) |
| 322 |
$columns['posts'] = $end; |
| 323 |
|
| 324 |
return $columns; |
| 325 |
} |
| 326 |
|
| 327 |
// fills the language column in the 'Categories' or Post Tags table |
| 328 |
function term_column($empty, $column, $term_id) { |
| 329 |
if ($column == 'language' && $lang = $this->get_term_language($term_id)) |
| 330 |
echo esc_html($lang->name); |
| 331 |
} |
| 332 |
|
| 333 |
// called when a category or post tag is created or edited |
| 334 |
function save_term($term_id) { |
| 335 |
// avoids breaking translations when using inline edit |
| 336 |
if(isset($_POST['_inline_edit'])) |
| 337 |
return; |
| 338 |
|
| 339 |
if (isset($_POST['term_lang_choice']) && $_POST['term_lang_choice']) |
| 340 |
$this->update_term_language($term_id, $_POST['term_lang_choice']); |
| 341 |
else |
| 342 |
$this->delete_term_language($term_id); |
| 343 |
|
| 344 |
$this->save_translations('term', $term_id); |
| 345 |
} |
| 346 |
|
| 347 |
// called when a category or post tag is deleted |
| 348 |
function delete_term($term_id) { |
| 349 |
$this->delete_term_language($term_id); |
| 350 |
$this->delete_translation('term', $term_id); |
| 351 |
} |
| 352 |
|
| 353 |
// returns all terms in the $taxonomy in the $term_language which have no translation in the $translation_language |
| 354 |
function get_terms_not_translated($taxonomy, $term_language, $translation_language) { |
| 355 |
$new_terms = array(); |
| 356 |
foreach (get_terms($taxonomy, 'hide_empty=0') as $term) { |
| 357 |
$lang = $this->get_term_language($term->term_id); |
| 358 |
if ($lang && $lang->name == $term_language->name && !$this->get_translation('term', $term->term_id, $translation_language)) |
| 359 |
$new_terms[] = $term; |
| 360 |
} |
| 361 |
return $new_terms; |
| 362 |
} |
| 363 |
|
| 364 |
// ajax response for edit term form |
| 365 |
function term_lang_choice() |
| 366 |
{ |
| 367 |
if ($_POST['lang']) { |
| 368 |
$lang = $this->get_language($_POST['lang']); |
| 369 |
$term_id = isset($_POST['term_id']) ? $_POST['term_id'] : null; |
| 370 |
$taxonomy = $_POST['taxonomy']; |
| 371 |
|
| 372 |
$listlanguages = $this->get_languages_list(); |
| 373 |
|
| 374 |
include(PLL_INC.'/term-translations.php'); |
| 375 |
} |
| 376 |
die(); |
| 377 |
} |
| 378 |
|
| 379 |
// modifies the theme location nav menu metabox |
| 380 |
// thanks to: http://wordpress.stackexchange.com/questions/2770/how-to-add-a-custom-metabox-to-the-menu-management-admin-screen |
| 381 |
function nav_menu_theme_locations() { |
| 382 |
// only if the theme supports nav menus and a nav menu exists |
| 383 |
if ( ! current_theme_supports( 'menus' ) || ! $metabox = &$GLOBALS['wp_meta_boxes']['nav-menus']['side']['default']['nav-menu-theme-locations'] ) |
| 384 |
return; |
| 385 |
|
| 386 |
$metabox['callback'] = array(&$this,'nav_menu_language'); |
| 387 |
$metabox['title'] = __('Theme locations and languages', 'polylang'); |
| 388 |
} |
| 389 |
|
| 390 |
// displays a message to redirect to the languages options page |
| 391 |
function nav_menu_language() { |
| 392 |
echo '<p class="howto">' . sprintf (__('Please go to the %slanguages page%s to set theme locations and languages', 'polylang'), |
| 393 |
'<a href="' . esc_url(admin_url('options-general.php?page=mlang&tab=menus')) . '">', '</a>') . '</p>'; |
| 394 |
} |
| 395 |
|
| 396 |
// modifies the widgets forms to add our language dropdwown list |
| 397 |
function in_widget_form($widget) { |
| 398 |
$widget_lang = get_option('polylang_widgets'); |
| 399 |
|
| 400 |
printf( |
| 401 |
'<p><label for="%1$s">%2$s<select name="%1$s" id="%1$s" class="tags-input"><option value="0">%3$s</option>', |
| 402 |
esc_attr($widget->id.'_lang_choice'), |
| 403 |
__('The widget is displayed for:', 'polylang'), |
| 404 |
__('All languages', 'polylang') |
| 405 |
); |
| 406 |
foreach ($this->get_languages_list() as $language) { |
| 407 |
printf( |
| 408 |
"<option value='%s'%s>%s</option>\n", |
| 409 |
esc_attr($language->slug), |
| 410 |
isset($widget_lang[$widget->id]) && $language->slug == $widget_lang[$widget->id] ? ' selected="selected"' : '', |
| 411 |
esc_html($language->name) |
| 412 |
); |
| 413 |
} |
| 414 |
echo '</select></label></p>'; |
| 415 |
} |
| 416 |
|
| 417 |
// called when widget options are saved |
| 418 |
function widget_update_callback($instance, $new_instance, $old_instance, $widget) { |
| 419 |
$widget_lang = get_option('polylang_widgets'); |
| 420 |
$widget_lang[$widget->id] = $_POST[$widget->id.'_lang_choice']; |
| 421 |
update_option('polylang_widgets', $widget_lang); |
| 422 |
return $instance; |
| 423 |
} |
| 424 |
|
| 425 |
// returns the locale based on user preference |
| 426 |
function get_locale($locale) { |
| 427 |
// get_current_user_id uses wp_get_current_user which may not be available the first time(s) get_locale is called |
| 428 |
if (function_exists('wp_get_current_user')) |
| 429 |
$loc = get_user_meta(get_current_user_id(), 'user_lang', 'true'); |
| 430 |
return isset($loc) && $loc ? $loc : $locale; |
| 431 |
} |
| 432 |
|
| 433 |
// updates language user preference |
| 434 |
function personal_options_update($user_id) { |
| 435 |
update_user_meta($user_id, 'user_lang', $_POST['user_lang']); |
| 436 |
} |
| 437 |
|
| 438 |
// form for language user preference |
| 439 |
function personal_options($profileuser) { |
| 440 |
include(PLL_INC.'/personal-options.php'); |
| 441 |
} |
| 442 |
|
| 443 |
// refresh rewrite rules if the 'page_on_front' option is modified |
| 444 |
function update_option($option) { |
| 445 |
global $wp_rewrite; |
| 446 |
if ($option == 'page_on_front') |
| 447 |
$wp_rewrite->flush_rules(); |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
?> |
| 452 |
|
