File: //home/undanet/dump/data/wp-content/plugins/polylang/admin/admin-filters.php
<?php
/**
* @package Polylang
*/
/**
* Setup miscellaneous admin filters as well as filters common to admin and frontend
*
* @since 1.2
*/
class PLL_Admin_Filters extends PLL_Filters {
/**
* Constructor: setups filters and actions
*
* @since 1.2
*
* @param object $polylang
*/
public function __construct( &$polylang ) {
parent::__construct( $polylang );
// Widgets languages filter
add_action( 'in_widget_form', array( $this, 'in_widget_form' ), 10, 3 );
add_filter( 'widget_update_callback', array( $this, 'widget_update_callback' ), 10, 4 );
// Language management for users
add_action( 'personal_options_update', array( $this, 'personal_options_update' ) );
add_action( 'edit_user_profile_update', array( $this, 'personal_options_update' ) );
add_action( 'personal_options', array( $this, 'personal_options' ) );
// Upgrades languages files after a core upgrade ( timing is important )
// Backward compatibility WP < 4.0 *AND* Polylang < 1.6
add_action( '_core_updated_successfully', array( $this, 'upgrade_languages' ), 1 ); // since WP 3.3
// Upgrades plugins and themes translations files
add_filter( 'themes_update_check_locales', array( $this, 'update_check_locales' ) );
add_filter( 'plugins_update_check_locales', array( $this, 'update_check_locales' ) );
add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
// Add post state for translations of the privacy policy page
add_filter( 'display_post_states', array( $this, 'display_post_states' ), 10, 2 );
}
/**
* Modifies the widgets forms to add our language dropdown list
*
* @since 0.3
*
* @param object $widget Widget instance
* @param null $return Not used
* @param array $instance Widget settings
*/
public function in_widget_form( $widget, $return, $instance ) {
$screen = get_current_screen();
// Test the Widgets screen and the Customizer to avoid displaying the option in page builders
// Saving the widget reloads the form. And curiously the action is in $_REQUEST but neither in $_POST, nor in $_GET.
if ( ( isset( $screen ) && 'widgets' === $screen->base ) || ( isset( $_REQUEST['action'] ) && 'save-widget' === $_REQUEST['action'] ) || isset( $GLOBALS['wp_customize'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
$dropdown = new PLL_Walker_Dropdown();
$dropdown_html = $dropdown->walk(
array_merge(
array( (object) array( 'slug' => 0, 'name' => __( 'All languages', 'polylang' ) ) ),
$this->model->get_languages_list()
),
-1,
array(
'name' => $widget->id . '_lang_choice',
'class' => 'tags-input pll-lang-choice',
'selected' => empty( $instance['pll_lang'] ) ? '' : $instance['pll_lang'],
)
);
printf(
'<p><label for="%1$s">%2$s %3$s</label></p>',
esc_attr( $widget->id . '_lang_choice' ),
esc_html__( 'The widget is displayed for:', 'polylang' ),
$dropdown_html // phpcs:ignore WordPress.Security.EscapeOutput
);
}
}
/**
* Called when widget options are saved
* saves the language associated to the widget
*
* @since 0.3
*
* @param array $instance Widget options
* @param array $new_instance Not used
* @param array $old_instance Not used
* @param object $widget WP_Widget object
* @return array Widget options
*/
public function widget_update_callback( $instance, $new_instance, $old_instance, $widget ) {
$key = $widget->id . '_lang_choice';
if ( ! empty( $_POST[ $key ] ) && $lang = $this->model->get_language( sanitize_key( $_POST[ $key ] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification
$instance['pll_lang'] = $lang->slug;
} else {
unset( $instance['pll_lang'] );
}
return $instance;
}
/**
* Updates language user preference set in user profile
*
* @since 0.4
*
* @param int $user_id
*/
public function personal_options_update( $user_id ) {
// Biography translations
foreach ( $this->model->get_languages_list() as $lang ) {
$meta = $lang->slug == $this->options['default_lang'] ? 'description' : 'description_' . $lang->slug;
$description = empty( $_POST[ 'description_' . $lang->slug ] ) ? '' : trim( $_POST[ 'description_' . $lang->slug ] ); // phpcs:ignore WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput
/** This filter is documented in wp-includes/user.php */
$description = apply_filters( 'pre_user_description', $description ); // Applies WP default filter wp_filter_kses
update_user_meta( $user_id, $meta, $description );
}
}
/**
* Outputs hidden information to modify the biography form with js
*
* @since 0.4
*
* @param object $profileuser
*/
public function personal_options( $profileuser ) {
foreach ( $this->model->get_languages_list() as $lang ) {
$meta = $lang->slug == $this->options['default_lang'] ? 'description' : 'description_' . $lang->slug;
/** This filter is documented in wp-includes/user.php */
$description = apply_filters( 'user_description', get_user_meta( $profileuser->ID, $meta, true ) ); // Applies WP default filter wp_kses_data
printf(
'<input type="hidden" class="biography" name="%s___%s" value="%s" />',
esc_attr( $lang->slug ),
esc_attr( $lang->name ),
esc_attr( $description )
);
}
}
/**
* Upgrades languages files after a core upgrade
* only for backward compatibility WP < 4.0 *AND* Polylang < 1.6
*
* @since 0.6
*
* @param string $version new WP version
*/
public function upgrade_languages( $version ) {
// $GLOBALS['wp_version'] is the old WP version
if ( version_compare( $version, '4.0', '>=' ) && version_compare( $GLOBALS['wp_version'], '4.0', '<' ) ) {
/** This filter is documented in wp-admin/includes/update-core.php */
apply_filters( 'update_feedback', __( 'Upgrading language files…', 'polylang' ) );
PLL_Upgrade::download_language_packs();
}
}
/**
* Allows to update translations files for plugins and themes.
*
* @since 1.6
*
* @param array $locales List of locales to update for plugins and themes.
* @return array
*/
public function update_check_locales( $locales ) {
return array_merge( $locales, $this->model->get_languages_list( array( 'fields' => 'locale' ) ) );
}
/**
* Adds a text direction dependent class to the body
*
* @since 2.2
*
* @param string $classes Space-separated list of CSS classes.
* @return string
*/
public function admin_body_class( $classes ) {
if ( ! empty( $this->curlang ) ) {
$classes .= ' pll-dir-' . ( $this->curlang->is_rtl ? 'rtl' : 'ltr' );
}
return $classes;
}
/**
* Add post state for translations of the privacy policy page
*
* @since 2.7
*
* @param array $post_states An array of post display states.
* @param object $post The current post object.
* @return array
*/
public function display_post_states( $post_states, $post ) {
$page_for_privacy_policy = get_option( 'wp_page_for_privacy_policy' );
if ( $page_for_privacy_policy && in_array( $post->ID, $this->model->post->get_translations( $page_for_privacy_policy ) ) ) {
$post_states['page_for_privacy_policy'] = __( 'Privacy Policy Page', 'polylang' );
}
return $post_states;
}
}