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class-admin.php
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<?php
class Sublanguage_admin extends Sublanguage_rewrite {
/**
* @from 1.0
*/
var $disable_postmeta_filter = false;
/**
* @from 1.0
*/
var $sublanguage_data;
/**
* @from 1.0
*/
public function __construct() {
add_action( 'plugins_loaded', array($this, 'load'));
}
/**
* @from 1.4.7
*/
public function load() {
// updater is disabled in 2.10
// $this->update();
if ($this->get_language()) {
parent::load();
add_filter('get_post_metadata', array($this, 'translate_meta_data'), 10, 4);
add_filter('sublanguage_postmeta_override', '__return_true');
add_filter('the_posts', array($this, 'translate_the_posts'), 20, 2);
add_filter('the_post', array($this, 'translate_post'));
add_filter('page_link', array($this, 'translate_page_link'), 10, 3);
add_filter('post_type_link', array($this, 'translate_custom_post_link'), 10, 3);
add_filter('attachment_link', array($this, 'translate_attachment_link'), 10, 2);
add_filter('single_term_title', array($this, 'filter_single_term_title')); // filter term title
add_filter('single_cat_title', array($this, 'filter_single_term_title')); // filter term title
add_filter('single_tag_title', array($this, 'filter_single_term_title')); // filter term title
add_filter('get_edit_post_link', array($this, 'translate_edit_post_link'), 10, 3);
// @from 2.6 -> prevent skip post updating when post fields are empty
add_filter('wp_insert_post_empty_content', array($this, 'empty_content'), 10, 2);
// restore post data before post saves
add_filter('wp_insert_post_data', array($this, 'insert_post'), 10, 2);
// save post translation after post saves
add_action('save_post', array($this, 'save_translation_post_data'), 10, 2);
// Save original title in meta data for ordering post translations by title. @from 2.0
add_action('save_post', array($this, 'save_translations_title_cache'), 10, 2);
// delete all translation when deleting language post
add_action('before_delete_post', array($this, 'delete_language'));
add_filter('preview_post_link', array($this, 'translate_preview_post_link'), 10 , 2);
// @from 2.4 moved from admin-ui to allow ajax
add_filter('get_sample_permalink', array($this, 'translate_sample_permalink'), 10, 5);
// add/update/delete post meta data
add_filter('update_post_metadata', array($this, 'update_translated_postmeta'), 10, 5);
add_filter('add_post_metadata', array($this, 'add_translated_postmeta'), 10, 5);
add_filter('delete_post_metadata', array($this, 'delete_translated_meta_data'), 10, 5);
add_filter('terms_clauses', array($this, 'terms_clauses'), 10, 3); // -> added in 1.4.4
add_filter('pre_insert_term', array($this, 'cancel_term'), 10, 2); // -> added in 1.4.5
// translate walker for pages dropdown
add_filter('list_pages', array($this, 'translate_list_pages'), 10 , 2);
// when upgrading upgrade all languages (instead of just the admin language)
add_filter('themes_update_check_locales', array($this, 'update_all_languages'));
add_filter('plugins_update_check_locales', array($this, 'update_all_languages'));
// update db on slug change (must also be fired on upgrade)
add_action('post_updated', array($this, 'update_language_slug'), 9, 3);
// set posts, pages and taxonomy translatable by default
add_filter('sublanguage_default-post', array($this, 'set_post_type_translatable'));
add_filter('sublanguage_default-page', array($this, 'set_post_type_translatable'));
add_filter('sublanguage_taxonomy_default-category', array($this, 'set_post_type_translatable'));
// Attachments
if ($this->is_post_type_translatable('attachment')) {
add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_media_scripts'));
add_filter('ajax_query_attachments_args', array($this, 'ajax_query_attachments'));
add_filter('wp_prepare_attachment_for_js', array($this, 'prepare_attachment_for_js'), 10, 3);
add_filter('wp_insert_attachment_data', array($this, 'insert_attachment'), 10, 2);
add_action('edit_attachment', array($this, 'edit_attachment'));
// set attachment alt field translatable by default
add_filter('sublanguage_default-attachment', array($this, 'set_attachment_altfield_translatable'));
// alt field always appear in option meta-data
add_filter('sublanguage_post_type_metakeys', array($this, 'attachment_post_type_metakeys'), 10, 2);
// translate caption when send to editor
add_filter('image_add_caption_text', array($this, 'add_caption'), 10, 2);
// translate alt when send to editor
add_filter('get_image_tag', array($this, 'get_image_tag'), 10, 6);
}
// Public API
// API import post
add_action('sublanguage_import_post', array($this, 'import_post'));
// API import term
add_action('sublanguage_import_term', array($this, 'import_term'), 10, 2);
// API init sublanguage admin
add_action('init', array($this, 'init'));
}
}
/**
* @from 2.0
*/
public function init() {
load_plugin_textdomain('sublanguage', false, dirname(plugin_basename(__FILE__)).'/languages');
/**
* Hook called after initializing most hooks and filters
*
* @from 2.0
*
* @param Sublanguage_admin object
*/
do_action('sublanguage_admin_init', $this);
}
/**
* Update Option
*
* @from 2.0
*/
public function update_option($option_name, $value) {
$options = get_option($this->option_name);
$options[$option_name] = $value;
update_option($this->option_name, $options);
}
/**
* Delete Option
*
* @from 2.0
*/
public function delete_option($option_name) {
$options = get_option($this->option_name);
unset($options[$option_name]);
update_option($this->option_name, $options);
}
/**
* @from 1.1
*/
public function activate() {
require_once( plugin_dir_path( __FILE__ ) . 'activation.php');
Sublanguage_Activation::activate();
}
/**
* @from 1.1
*/
public function desactivate() {
require_once( plugin_dir_path( __FILE__ ) . 'activation.php');
Sublanguage_Activation::desactivate();
}
/**
* Upgrades if required
*
* Hook for 'init'
*
* @from 1.2
* @from 2.10 upgrader is disabled
*/
public function update() {
}
/**
* delete all translations when deleting a language post
* @hook 'before_delete_post'
*
* @from 1.1
*/
public function delete_language($language_id) {
global $wpdb;
$language = get_post($language_id);
if ($language->post_type === $this->language_post_type) {
$translations = $this->get_option('translations', array());
if (isset($translations['taxonomy'])) {
foreach ($translations['taxonomy'] as $taxonomy => $translation) {
if (isset($translations['taxonomy'][$taxonomy][$language_id])) {
unset($translations['taxonomy'][$taxonomy][$language_id]);
}
}
}
if (isset($translations['post_type'])) {
foreach ($translations['post_type'] as $cpt => $translation) {
if (isset($translations['post_type'][$cpt][$language_id])) {
unset($translations['post_type'][$cpt][$language_id]);
}
}
}
$this->update_option('translations', $translations);
$prefix = $this->get_prefix($language);
// DELETE ALL POST TRANSLATIONS !
$post_meta_keys = array_merge($this->fields, $this->get_all_translatable_post_meta_keys());
if ($post_meta_keys) {
$post_meta_keys = esc_sql($this->prefix_array($post_meta_keys, $prefix));
$wpdb->query("DELETE FROM $wpdb->postmeta WHERE meta_key IN ('".implode("','", $post_meta_keys)."')");
}
// DELETE ALL TERM TRANSLATIONS !
$term_meta_keys = array_merge($this->taxonomy_fields, $this->get_all_translatable_term_meta_keys());
if ($term_meta_keys) {
$term_meta_keys = esc_sql($this->prefix_array($term_meta_keys, $prefix));
$wpdb->query("DELETE FROM $wpdb->termmeta WHERE meta_key IN ('".implode("','", $term_meta_keys)."')");
}
}
}
/**
* Update db on slug change
*
* @hook 'post_updated'
*
* @from 1.5.1
*/
public function update_language_slug($post_ID, $post_after, $post_before) {
global $wpdb;
if ($post_after->post_type === $this->language_post_type && $post_after->post_name !== $post_before->post_name) {
if (!$this->get_language_by($post_after->post_name, 'post_name')) { // -> cancel if language slug already exists
$prefix_before = $this->create_prefix($post_before->post_name);
$prefix_after = $this->create_prefix($post_after->post_name);
// Change all post meta keys prefixes
$post_meta_keys = array_merge($this->fields, $this->get_all_translatable_post_meta_keys());
if ($post_meta_keys) {
$post_meta_keys = esc_sql($this->prefix_array($post_meta_keys, $prefix_before));
$wpdb->query($wpdb->prepare(
"UPDATE $wpdb->postmeta SET meta_key = REPLACE(meta_key, %s, %s) WHERE meta_key IN ('".implode("','", $post_meta_keys)."')",
$prefix_before,
$prefix_after
));
}
// Change all term meta keys prefixes
$term_meta_keys = array_merge($this->taxonomy_fields, $this->get_all_translatable_term_meta_keys());
if ($term_meta_keys) {
$term_meta_keys = esc_sql($this->prefix_array($term_meta_keys, $prefix_before));
$wpdb->query($wpdb->prepare(
"UPDATE $wpdb->termmeta SET meta_key = REPLACE(meta_key, %s, %s) WHERE meta_key IN ('".implode("','", $term_meta_keys)."')",
$prefix_before,
$prefix_after
));
}
}
}
}
/**
* Helper. Get translatable meta keys from all post types
*
* @from 2.0
*/
public function get_all_translatable_post_meta_keys() {
$post_types_options = $this->get_option('post_type', array());
$meta_keys = array();
foreach ($post_types_options as $post_type => $post_types_option) {
$meta_keys = array_merge($meta_keys, $this->get_post_type_metakeys($post_type));
}
return array_unique($meta_keys);
}
/**
* Helper. Get translatable meta keys from all taxonomies
*
* @from 2.0
*/
public function get_all_translatable_term_meta_keys() {
$tax_options = $this->get_option('taxonomy', array());
$meta_keys = array();
foreach ($tax_options as $taxonomy => $tax_option) {
$meta_keys = array_merge($meta_keys, $this->get_taxonomy_metakeys($taxonomy));
}
return array_unique($meta_keys);
}
/**
* Helper. Prefix all strings in an array
*
* @from 2.0
*/
public function prefix_array($array, $prefix) {
$output = array();
foreach ($array as $string) {
$output[] = $prefix . $string;
}
return $output;
}
/**
* Ask to get all registered languages when upgrading (instead of just admin language)
*
* Filter for 'themes_update_check_locales', 'plugins_update_check_locales'
*
* @from 1.1
*/
public function update_all_languages($locales) {
return $this->get_language_column('post_content');
}
/**
* Prevent post to be considered empty and skipped when inserted or updated
*
* @filter 'wp_insert_post_empty_content'
*
* @from 2.6
*/
public function empty_content($maybe_empty, $postarr) {
return false; // @todo -> should check if original content is also empty when editing sub language
}
/**
* Restore main language post data before post saves.
* Filter for 'wp_insert_post_data'
*
* @from 1.0
*/
public function insert_post($data, $postarr) {
if (!isset($data['post_type']) || !is_string($data['post_type'])) { // -> not sure if needed
return $data;
}
if (isset($postarr['sublanguage_gutenberg_metabox'])) {
// @from 2.5 -> skip when gutenberg updates compat metaboxes
return $data;
}
if ($data['post_type'] === 'revision') {
$post = get_post($data['post_parent']);
} else {
$post = get_post($postarr['ID']);
}
if ($this->is_sub() && $this->is_post_type_translatable($post->post_type) && empty($this->sublanguage_data[$post->ID])) {
// @from 2.6 -> skip if sublanguage_data already exists (when parsing revision data except autosave)
$language = $this->get_language();
// set default post name
if ($data['post_title'] == '') {
if (empty($_POST['post_name']) || $_POST['post_name'] == '') {
if ($post->post_name) {
$data['post_name'] = $post->post_name;
} else if ($post->post_title) {
$data['post_name'] = sanitize_title($post->post_title);
}
}
} else if ($data['post_name'] == '') {
$data['post_name'] = sanitize_title($data['post_title']);
}
foreach ($this->fields as $field) {
// store translated data
$this->sublanguage_data[$post->ID][$language->ID][$field] = $data[$field];
// and restore original data
$data[$field] = wp_slash($post->$field);
}
}
return $data;
}
/**
* @override Sublanguage_current::save_post_revision
*
* @hook 'save_post_revision'
*
* @from 2.6
*/
public function save_post_revision($revision_id, $revision) {
$post = get_post($revision->post_parent);
if ($this->is_post_type_translatable($post->post_type) && $this->get_post_type_option($post->post_type, 'enable_revisions')) {
$post_id = $post->ID;
foreach ($this->get_languages() as $language) {
foreach (array('post_title', 'post_content', 'post_excerpt') as $field) {
if ($this->is_sub($language)) {
$language_field = $this->get_prefix($language).$field;
if (isset($this->sublanguage_data[$post_id][$language->ID][$field])) {
if ($this->sublanguage_data[$post_id][$language->ID][$field]) {
update_metadata('post', $revision_id, $language_field, $this->sublanguage_data[$post_id][$language->ID][$field]);
} else {
delete_metadata('post', $revision_id, $language_field);
}
} else {
$meta_value = get_metadata('post', $post_id, $language_field, true);
if ($meta_value) {
update_metadata('post', $revision_id, $language_field, $meta_value);
}
}
}
}
}
}
}
/**
* @override Sublanguage_current::revision_post_has_changed
*
* @filter 'wp_save_post_revision_post_has_changed'
*
* @from 2.6
*/
public function revision_post_has_changed($post_has_changed, $last_revision, $post) {
if (!$post_has_changed && $this->is_sub() && $this->get_post_type_option($post->post_type, 'enable_revisions')) {
$language = $this->get_language();
$prefix = $this->get_prefix($language);
foreach (array('post_title', 'post_content', 'post_excerpt') as $field) {
if (isset($this->sublanguage_data[$post->ID][$language->ID][$field]) && $this->sublanguage_data[$post->ID][$language->ID][$field] !== get_metadata('post', $last_revision->ID, $prefix.$field, true)) {
return true;
}
}
}
return $post_has_changed;
}
/**
* Save translation data after post saves.
* Hook for 'save_post'
*
* @from 1.0
*/
public function save_translation_post_data($post_id, $post) {
if ($this->is_post_type_translatable($post->post_type) && current_user_can('edit_post', $post_id)) {
$language = $this->get_language();
if ($this->is_sub($language) && isset($this->sublanguage_data[$post_id][$language->ID])) {
$this->update_post_translation($post_id, $this->sublanguage_data[$post_id][$language->ID], $language);
}
}
}
/**
* Update post translation
*
* @param int $post_id Post ID
* @param array $data {
* List of field to save.
* @string $post_name Post name
* @string $post_title Post title
* @string $post_content Post content
* @string $post_excerpt Post excerpt
* @string $custom_meta_key Post meta
* }
* @param object WP_Post $language Language. Optional
*
* @from 2.0
*/
public function update_post_translation($post_id, $data, $language = null) {
if (empty($language)) {
$language = $this->get_language();
}
if ($this->is_sub($language)) {
foreach ($data as $field => $value) {
if (in_array($field, $this->fields)) {
/**
* Filter before a translation field is updated.
* @param int $post_id. Original post id.
* @param string $field. Field name.
* @param string $value. Value.
*
* @from 2.0
*/
update_post_meta($post_id, $this->get_prefix($language).$field, apply_filters('sublanguage_admin_update_post', $value, $post_id, $field, $language, $this));
}
}
}
}
/**
* Save original title in meta data for ordering post translations by title.
*
* @hook for 'save_post'
*
* @from 2.0
*/
public function save_translations_title_cache($post_id, $post) {
if ($this->get_post_type_option($post->post_type, 'title_cached')) {
if ($this->is_main()) {
foreach ($this->get_languages() as $language) {
if ($this->is_sub($language)) {
$key = $this->get_prefix($language) . 'order_title';
if (get_post_meta($post->ID, $key, true) === '') {
update_post_meta($post->ID, $key, $post->post_title);
}
}
}
} else if ($this->is_sub()) {
$language_id = $this->get_language()->ID;
if (isset($this->sublanguage_data[$post_id][$language_id]['post_title']) && $this->sublanguage_data[$post_id][$language_id]['post_title']) {
$key = $this->get_prefix() . 'order_title';
update_post_meta($post->ID, $key, $this->sublanguage_data[$post_id][$language_id]['post_title']);
}
}
}
}
/**
* Update term translation
*
* @param int $term_id Term ID
* @param array $data {
* List of field to save.
* @string $name Name
* @string $slug Slug
* @string $description Description
* @string $custom_meta_key Post meta
* }
* @param object WP_Post $language Language. Optional
*
* @from 2.0
*/
public function update_term_translation($term_id, $data, $language = null) {
if (empty($language)) {
$language = $this->get_language();
}
if ($this->is_sub($language)) {
foreach ($data as $field => $value) {
if ($field === 'slug') {
$value = sanitize_title($value);
}
/**
* Filter before a term translation field is updated.
* @param int $post_id. Original post id.
* @param string $field. Field name.
* @param string $value. Value.
*
* @from 2.0
*/
update_term_meta($term_id, $this->get_prefix($language).$field, apply_filters('sublanguage_admin_update_term', $value, $term_id, $field));
}
}
}
/**
* Rectify preview post link
* Filter for 'preview_post_link'
*
* @from 1.0
*/
public function translate_preview_post_link($url, $post) {
// var_dump($url);
// Now using uncanonical link
return $url;
}
/**
* translate post meta on add
* Filter for "add_{$meta_type}_metadata"
*
* @from 1.0
*/
public function add_translated_postmeta($null, $object_id, $meta_key, $meta_value, $unique) {
$post = get_post($object_id);
if ($post && $this->is_sub() && $this->is_meta_key_translatable($post->post_type, $meta_key)) {
add_post_meta($object_id, $this->get_prefix().$meta_key, $meta_value, $unique);
return true; // -> exit;
}
return $null;
}
/**
* update post meta translation
* Filter for "update_{$meta_type}_metadata"
*
* @from 1.0
*/
public function update_translated_postmeta($null, $object_id, $meta_key, $meta_value, $prev_value) {
$post = get_post($object_id);
if ($post && $this->is_sub() && $this->is_meta_key_translatable($post->post_type, $meta_key)) {
update_post_meta($object_id, $this->get_prefix().$meta_key, $meta_value, $prev_value);
return true; // -> exit;
}
return $null;
}
/**
* delete post meta translation
* Filter for "delete_{$meta_type}_metadata"
*
* @from 1.0
*/
public function delete_translated_meta_data($null, $object_id, $meta_key, $meta_value, $delete_all) {
$post = get_post($object_id);
if ($post && $this->is_sub() && $this->is_meta_key_translatable($post->post_type, $meta_key)) {
delete_metadata('post', $object_id, $this->get_prefix().$meta_key, $meta_value, $delete_all);
return true; // -> exit;
}
return $null;
}
/**
* set post_type translatable by default
*
* @filter "sublanguage_default-$post_type"
* @from 2.3
*/
public function set_post_type_translatable($defaults) {
$defaults['translatable'] = true;
return $defaults;
}
/**
* Translate post slug
*
* @filter 'get_sample_permalink'
* @from 2.0
*/
public function translate_sample_permalink($permalink, $post_id, $title, $name, $post) {
if ($this->is_post_type_translatable($post->post_type)) {
$translation = $this->translate_cpt($post->post_type, null, $post->post_type);
$permalink[0] = str_replace("%{$post->post_type}-slug%", $translation, $permalink[0]);
if ($this->is_sub()) {
// translate ancestors slugs
$current = $post;
while ($current->post_parent) {
$current = get_post($current->post_parent);
$original_name = $current->post_name;
$translated_name = $this->translate_post_field($current, 'post_name');
if ($original_name !== $translated_name) {
$permalink[0] = str_replace("/$original_name/", "/$translated_name/", $permalink[0]);
}
}
$permalink[1] = $name ? $name : $this->translate_post_field($post, 'post_name');
}
}
return $permalink;
}
/* Terms
----------------------------------------------- */
/**
* When a post with tags is saved while not in main language, a new term with the translated name is going to be created for each tags.
* This function prevent this term creation by faking an error
*
* No better alternative found so far
*
* @hook 'pre_insert_term'
*
* @from 1.4.5
*/
public function cancel_term($term_name, $taxonomy) {
return $term_name;
if ($this->is_sub() && $this->is_taxonomy_translatable($taxonomy)) { // -> translatable taxonomy
return new WP_Error('sublanguage_cancel_term', 'Prevent term duplication (Sublanguage)');
}
return $term_name;
}
/**
* when terms are queried by name, join translations to the query.
* This is needed in admin when receiving a translated post tags
*
* @filter 'terms_clauses'
* @from 1.4.5
*/
public function terms_clauses($pieces, $taxonomies, $args) {
global $wpdb;
if ($this->is_sub() && array_filter($taxonomies, array($this, 'is_taxonomy_translatable'))) { // -> not main language & translatable taxonomy
$translation_args = $args;
if (empty($translation_args['meta_query'])) {
$translation_args['meta_query'] = array();
}
if (!is_array($translation_args['meta_query'])) {
return $pieces;
}
foreach (array('name', 'slug') as $field) {
if (isset($args[$field]) && $args[$field]) {
$translation_args['meta_query'][] = array(
'key' => $this->get_prefix() . $field,
'value' => $args[$field]
);
$translation_args[$field] = '';
}
}
if (isset($args['name__like']) && $args['name__like']) {
$translation_args['meta_query'][] = array(
'key' => $this->get_prefix() . 'name',
'value' => $args['name__like'],
'compare' => 'LIKE'
);
$translation_args['name__like'] = '';
}
if (isset($args['description__like']) && $args['description__like']) {
$translation_args['meta_query'][] = array(
'key' => $this->get_prefix() . 'description',
'value' => $args['description__like'],
'compare' => 'LIKE'
);
$translation_args['description__like'] = '';
}
if ($translation_args !== $args) {
$translation_args['fields'] = 'ids';
$translation_ids = get_terms($taxonomies, $translation_args);
if ($translation_ids) {
$pieces['where'] .= " OR t.term_id in (" . implode(', ', array_filter(array_map('intval', $translation_ids))) . ")";
}
}
}
return $pieces;
}