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<?php |
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/** |
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* @package Polylang |
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*/ |
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|
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/** |
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* A class to manage admin notices |
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* displayed only to admin, based on 'manage_options' capability |
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* and only on dashboard, plugins and Polylang admin pages |
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* |
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* @since 2.3.9 |
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* @since 2.7 Dismissed notices are stored in an option instead of a user meta |
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*/ |
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class PLL_Admin_Notices { |
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private static $notices = array(); |
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|
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/** |
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* Constructor |
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* Setup actions |
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* |
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* @since 2.3.9 |
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* |
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* @param object $polylang |
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*/ |
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public function __construct( $polylang ) { |
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$this->options = &$polylang->options; |
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|
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add_action( 'admin_init', array( $this, 'hide_notice' ) ); |
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add_action( 'admin_notices', array( $this, 'display_notices' ) ); |
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} |
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|
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/** |
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* Add a custom notice |
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* |
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* @since 2.3.9 |
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* |
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* @param string $name Notice name |
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* @param string $html Content of the notice |
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*/ |
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public static function add_notice( $name, $html ) { |
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self::$notices[ $name ] = $html; |
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} |
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|
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/** |
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* Get custom notices |
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* |
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* @since 2.3.9 |
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* |
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* @return array |
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*/ |
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public static function get_notices() { |
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return self::$notices; |
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} |
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|
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/** |
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* Has a notice been dismissed? |
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* |
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* @since 2.3.9 |
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* |
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* @param string $notice Notice name |
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* @return bool |
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*/ |
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public static function is_dismissed( $notice ) { |
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$dismissed = get_option( 'pll_dismissed_notices', array() ); |
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|
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// Handle legacy user meta |
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$dismissed_meta = get_user_meta( get_current_user_id(), 'pll_dismissed_notices', true ); |
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if ( is_array( $dismissed_meta ) ) { |
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if ( array_diff( $dismissed_meta, $dismissed ) ) { |
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$dismissed = array_merge( $dismissed, $dismissed_meta ); |
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update_option( 'pll_dismissed_notices', $dismissed ); |
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} |
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if ( ! is_multisite() ) { |
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// Don't delete on multisite to avoid the notices to appear in other sites. |
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delete_user_meta( get_current_user_id(), 'pll_dismissed_notices' ); |
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} |
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} |
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|
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return in_array( $notice, $dismissed ); |
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} |
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|
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/** |
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* Should we display notices on this screen? |
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* |
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* @since 2.3.9 |
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* |
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* @param string $notice The notice name. |
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* @return bool |
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*/ |
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protected function can_display_notice( $notice ) { |
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$screen = get_current_screen(); |
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$screen_id = sanitize_title( __( 'Languages', 'polylang' ) ); |
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|
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/** |
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* Filter admin notices which can be displayed |
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* |
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* @since 2.7.0 |
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* |
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* @param bool $display Whether the notice should be displayed or not. |
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* @param string $notice The notice name. |
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*/ |
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return apply_filters( |
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'pll_can_display_notice', |
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in_array( |
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$screen->id, |
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array( |
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'dashboard', |
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'plugins', |
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'toplevel_page_mlang', |
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$screen_id . '_page_mlang_strings', |
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$screen_id . '_page_mlang_settings', |
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) |
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), |
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$notice |
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); |
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} |
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|
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/** |
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* Stores a dismissed notice in database |
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* |
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* @since 2.3.9 |
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* |
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* @param string $notice |
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*/ |
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public static function dismiss( $notice ) { |
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$dismissed = get_option( 'pll_dismissed_notices', array() ); |
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|
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if ( ! in_array( $notice, $dismissed ) ) { |
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$dismissed[] = $notice; |
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update_option( 'pll_dismissed_notices', array_unique( $dismissed ) ); |
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} |
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} |
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|
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/** |
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* Handle a click on the dismiss button |
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* |
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* @since 2.3.9 |
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*/ |
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public function hide_notice() { |
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if ( isset( $_GET['pll-hide-notice'], $_GET['_pll_notice_nonce'] ) ) { |
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$notice = sanitize_key( $_GET['pll-hide-notice'] ); |
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check_admin_referer( $notice, '_pll_notice_nonce' ); |
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self::dismiss( $notice ); |
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wp_safe_redirect( remove_query_arg( array( 'pll-hide-notice', '_pll_notice_nonce' ), wp_get_referer() ) ); |
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exit; |
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} |
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} |
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|
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/** |
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* Displays notices |
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* |
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* @since 2.3.9 |
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*/ |
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public function display_notices() { |
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if ( current_user_can( 'manage_options' ) ) { |
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// Core notices |
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if ( defined( 'WOOCOMMERCE_VERSION' ) && ! defined( 'PLLWC_VERSION' ) && $this->can_display_notice( 'pllwc' ) && ! $this->is_dismissed( 'pllwc' ) ) { |
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$this->pllwc_notice(); |
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} |
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|
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if ( ! defined( 'POLYLANG_PRO' ) && $this->can_display_notice( 'review' ) && ! $this->is_dismissed( 'review' ) && ! empty( $this->options['first_activation'] ) && time() > $this->options['first_activation'] + 15 * DAY_IN_SECONDS ) { |
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$this->review_notice(); |
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} |
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|
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// Custom notices |
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foreach ( $this->get_notices() as $notice => $html ) { |
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if ( $this->can_display_notice( $notice ) && ! $this->is_dismissed( $notice ) ) { |
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?> |
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<div class="pll-notice notice notice-info"> |
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<?php |
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$this->dismiss_button( $notice ); |
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echo wp_kses_post( $html ); |
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?> |
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</div> |
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<?php |
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} |
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} |
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} |
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} |
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|
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/** |
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* Displays a dismiss button |
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* |
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* @since 2.3.9 |
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* |
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* @param string $name Notice name |
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*/ |
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public function dismiss_button( $name ) { |
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printf( |
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'<a class="notice-dismiss" href="%s"><span class="screen-reader-text">%s</span></a>', |
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esc_url( wp_nonce_url( add_query_arg( 'pll-hide-notice', $name ), $name, '_pll_notice_nonce' ) ), |
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/* translators: accessibility text */ |
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esc_html__( 'Dismiss this notice.', 'polylang' ) |
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); |
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} |
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|
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/** |
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* Displays a notice if WooCommerce is activated without Polylang for WooCommerce |
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* |
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* @since 2.3.9 |
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*/ |
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private function pllwc_notice() { |
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?> |
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<div class="pll-notice notice notice-warning"> |
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<?php $this->dismiss_button( 'pllwc' ); ?> |
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<p> |
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<?php |
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printf( |
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/* translators: %1$s is link start tag, %2$s is link end tag. */ |
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esc_html__( 'We have noticed that you are using Polylang with WooCommerce. To ensure compatibility, we recommend you use %1$sPolylang for WooCommerce%2$s.', 'polylang' ), |
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'<a href="https://polylang.pro/downloads/polylang-for-woocommerce/">', |
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'</a>' |
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); |
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?> |
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</p> |
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</div> |
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<?php |
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} |
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|
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/** |
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* Displays a notice asking for a review |
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* |
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* @since 2.3.9 |
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*/ |
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private function review_notice() { |
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?> |
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<div class="pll-notice notice notice-info"> |
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<?php $this->dismiss_button( 'review' ); ?> |
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<p> |
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<?php |
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printf( |
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/* translators: %1$s is link start tag, %2$s is link end tag. */ |
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esc_html__( 'We have noticed that you have been using Polylang for some time. We hope you love it, and we would really appreciate it if you would %1$sgive us a 5 stars rating%2$s.', 'polylang' ), |
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'<a href="https://wordpress.org/support/plugin/polylang/reviews/?rate=5#new-post">', |
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'</a>' |
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); |
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?> |
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</p> |
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</div> |
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<?php |
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} |
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} |
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|
