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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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namespace WP_Syntex\Polylang\Widgets; |
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|
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if ( ! class_exists( 'WP_Widget_Calendar' ) ) { |
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require_once ABSPATH . '/wp-includes/default-widgets.php'; |
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} |
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|
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/** |
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* This classes rewrite the whole Calendar widget functionality as there is no filter on sql queries and only a filter on final output. |
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* Code last checked: WP 7.2. |
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* |
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* A request to add filters on SQL queries exists: http://core.trac.wordpress.org/ticket/15202, closed in favor of https://core.trac.wordpress.org/ticket/29319. |
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* Method used in 0.4.x: use of the get_calendar filter and overwrite the output of get_calendar function -> not very efficient (add 4 to 5 sql queries). |
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* Method used since 0.5: remove the WP widget and replace it by our own -> our language filter will not work if get_calendar is called directly by a theme. |
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* |
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* @since 0.5 |
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*/ |
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class Calendar extends \WP_Widget_Calendar { |
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protected static $pll_instance = 0; // Can't use $instance of WP_Widget_Calendar as it's private :/. |
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|
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/** |
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* Outputs the content for the current Calendar widget instance. |
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* Modified version of the parent function to call our own get_calendar() method. |
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* |
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* @since 0.5 |
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* |
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* @param array $args Display arguments including 'before_title', 'after_title', |
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* 'before_widget', and 'after_widget'. |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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public function widget( $args, $instance ) { |
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$title = ! empty( $instance['title'] ) ? $instance['title'] : ''; |
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|
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
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|
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echo $args['before_widget']; |
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if ( $title ) { |
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echo $args['before_title'] . $title . $args['after_title']; |
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} |
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if ( 0 === self::$pll_instance ) { #modified# |
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echo '<div id="calendar_wrap" class="calendar_wrap">'; |
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} else { |
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echo '<div class="calendar_wrap">'; |
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} |
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empty( PLL()->curlang ) ? get_calendar() : self::get_calendar(); #modified# |
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echo '</div>'; |
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echo $args['after_widget']; |
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|
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++self::$pll_instance; #modified# |
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} |
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|
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/** |
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* Modified version of the WP `get_calendar()` function to filter the queries. |
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* |
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* @since 0.5 |
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* @since 3.8 New argument $args added, with backward compatibility (WP 6.8). |
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* |
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* @param array $args { |
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* Optional. Arguments for the `get_calendar` function. |
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* |
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* @type bool $initial Whether to use initial calendar names. Default true. |
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* @type bool $display Whether to display the calendar output. Default true. |
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* @type string $post_type Optional. Post type. Default 'post'. |
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* } |
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* @return string|void Calendar HTML when `$display` is false, null when the site has |
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* no posts. Nothing otherwise. |
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* @phpstan-return ( $args is array{ display: false|0|''|'0', ... } ? string|null : void ) |
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*/ |
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public static function get_calendar( $args = array() ) { |
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global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; |
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|
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$defaults = array( |
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'initial' => true, |
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'display' => true, |
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'post_type' => 'post', |
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); |
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|
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$original_args = func_get_args(); |
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$args = array(); |
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|
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if ( ! empty( $original_args ) ) { |
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if ( ! is_array( $original_args[0] ) ) { |
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if ( isset( $original_args[0] ) && is_bool( $original_args[0] ) ) { |
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$defaults['initial'] = $original_args[0]; |
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} |
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if ( isset( $original_args[1] ) && is_bool( $original_args[1] ) ) { |
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$defaults['display'] = $original_args[1]; |
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} |
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} else { |
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$args = $original_args[0]; |
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} |
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} |
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|
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/** This filter is documented in wp-includes/general-template.php */ |
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$args = apply_filters( 'get_calendar_args', wp_parse_args( $args, $defaults ) ); |
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|
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$args['lang'] = PLL()->curlang->slug; #added# |
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|
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if ( ! post_type_exists( $args['post_type'] ) ) { |
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$args['post_type'] = 'post'; |
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} |
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|
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$w = 0; |
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if ( isset( $_GET['w'] ) ) { |
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$w = (int) $_GET['w']; |
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} |
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|
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/* |
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* Normalize the cache key. |
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* |
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* The following ensures the same cache key is used for the same parameter |
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* and parameter equivalents. This prevents `post_type > post, initial > true` |
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* from generating a different key from the same values in the reverse order. |
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* |
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* `display` is excluded from the cache key as the cache contains the same |
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* HTML regardless of this function's need to echo or return the output. |
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* |
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* The global values contain data generated by the URL query string variables. |
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*/ |
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$cache_args = $args; |
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unset( $cache_args['display'] ); |
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|
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$cache_args['globals'] = array( |
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'm' => $m, |
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'monthnum' => $monthnum, |
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'year' => $year, |
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'week' => $w, |
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); |
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|
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wp_recursive_ksort( $cache_args ); |
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$key = md5( serialize( $cache_args ) ); |
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$cache = wp_cache_get( 'get_calendar', 'calendar' ); |
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|
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if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) { |
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/** This filter is documented in wp-includes/general-template.php */ |
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$output = apply_filters( 'get_calendar', $cache[ $key ], $args ); |
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|
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if ( $args['display'] ) { |
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echo $output; |
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return; |
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} |
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|
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return $output; |
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} |
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|
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if ( ! is_array( $cache ) ) { |
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$cache = array(); |
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} |
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|
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$post_type = $args['post_type']; |
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|
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// Quick check. If we have no posts at all, abort! |
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if ( ! $posts ) { |
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$gotsome = $wpdb->get_var( |
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$wpdb->prepare( |
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"SELECT 1 as test |
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FROM $wpdb->posts |
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WHERE post_type = %s |
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AND post_status = 'publish' |
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LIMIT 1", |
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$post_type |
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) |
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); |
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|
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if ( ! $gotsome ) { |
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$cache[ $key ] = ''; |
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wp_cache_set( 'get_calendar', $cache, 'calendar' ); |
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return null; |
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} |
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} |
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|
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// week_begins = 0 stands for Sunday. |
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$week_begins = (int) get_option( 'start_of_week' ); |
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|
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// Read the current date. |
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list( $current_year, $current_month, $current_day ) = array_map( 'intval', explode( '-', current_time( 'Y-m-j' ) ) ); |
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|
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// Let's figure out when we are. |
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if ( ! empty( $monthnum ) && ! empty( $year ) ) { |
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$thismonth = (int) $monthnum; |
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$thisyear = (int) $year; |
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} elseif ( ! empty( $w ) ) { |
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// We need to get the month from MySQL. |
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$thisyear = (int) substr( $m, 0, 4 ); |
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// It seems MySQL's weeks disagree with PHP's. |
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$d = ( ( $w - 1 ) * 7 ) + 6; |
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$thismonth = (int) $wpdb->get_var( |
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$wpdb->prepare( |
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"SELECT DATE_FORMAT((DATE_ADD('%d0101', INTERVAL %d DAY) ), '%%m')", |
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$thisyear, |
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$d |
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) |
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); |
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} elseif ( ! empty( $m ) ) { |
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$thisyear = (int) substr( $m, 0, 4 ); |
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if ( strlen( $m ) < 6 ) { |
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$thismonth = 1; |
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} else { |
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$thismonth = (int) substr( $m, 4, 2 ); |
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} |
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} else { |
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$thisyear = $current_year; |
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$thismonth = $current_month; |
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} |
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|
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$unixmonth = mktime( 0, 0, 0, $thismonth, 1, $thisyear ); |
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$last_day = gmdate( 't', $unixmonth ); |
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|
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$join_clause = PLL()->model->post->join_clause(); #added# |
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$where_clause = PLL()->model->post->where_clause( PLL()->curlang ); #added# |
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|
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// Get the next and previous month and year with at least one post. |
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$previous = $wpdb->get_row( |
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$wpdb->prepare( |
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"SELECT MONTH(post_date) AS month, YEAR(post_date) AS year |
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FROM $wpdb->posts $join_clause |
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WHERE post_date < '%d-%d-01' |
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AND post_type = %s AND post_status = 'publish' $where_clause |
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ORDER BY post_date DESC |
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LIMIT 1", |
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$thisyear, |
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zeroise( $thismonth, 2 ), |
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$post_type |
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) |
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); #modified# |
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|
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$next = $wpdb->get_row( |
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$wpdb->prepare( |
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"SELECT MONTH(post_date) AS month, YEAR(post_date) AS year |
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FROM $wpdb->posts $join_clause |
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WHERE post_date > '%d-%d-%d 23:59:59' |
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AND post_type = %s AND post_status = 'publish' $where_clause |
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ORDER BY post_date ASC |
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LIMIT 1", |
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$thisyear, |
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zeroise( $thismonth, 2 ), |
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$last_day, |
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$post_type |
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) |
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); #modified# |
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|
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/* translators: Calendar caption: 1: Month name, 2: 4-digit year. */ |
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$calendar_caption = _x( '%1$s %2$s', 'calendar caption' ); |
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$calendar_output = '<table id="wp-calendar" class="wp-calendar-table"> |
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<caption>' . sprintf( |
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$calendar_caption, |
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$wp_locale->get_month( $thismonth ), |
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gmdate( 'Y', $unixmonth ) |
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) . '</caption> |
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<thead> |
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<tr>'; |
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|
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$myweek = array(); |
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|
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for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) { |
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$myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 ); |
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} |
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|
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foreach ( $myweek as $wd ) { |
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$day_name = $args['initial'] ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd ); |
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$wd = esc_attr( $wd ); |
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$calendar_output .= "\n\t\t<th scope=\"col\" aria-label=\"$wd\">$day_name</th>"; |
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} |
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|
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$calendar_output .= ' |
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</tr> |
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</thead> |
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<tbody> |
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<tr>'; |
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|
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$daywithpost = array(); |
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|
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// Get days with posts. |
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$dayswithposts = $wpdb->get_results( |
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$wpdb->prepare( |
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"SELECT DISTINCT DAYOFMONTH(post_date) |
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FROM $wpdb->posts $join_clause WHERE post_date >= '%d-%d-01 00:00:00' |
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AND post_type = %s AND post_status = 'publish' |
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AND post_date <= '%d-%d-%d 23:59:59' $where_clause", |
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$thisyear, |
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zeroise( $thismonth, 2 ), |
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$post_type, |
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$thisyear, |
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zeroise( $thismonth, 2 ), |
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$last_day |
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), |
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ARRAY_N |
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); #modified# |
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|
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if ( $dayswithposts ) { |
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foreach ( (array) $dayswithposts as $daywith ) { |
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$daywithpost[] = (int) $daywith[0]; |
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} |
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} |
| 300 |
|
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// See how much we should pad in the beginning. |
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$pad = calendar_week_mod( (int) gmdate( 'w', $unixmonth ) - $week_begins ); |
| 303 |
if ( $pad > 0 ) { |
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$calendar_output .= "\n\t\t" . '<td colspan="' . esc_attr( $pad ) . '" class="pad"> </td>'; |
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} |
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|
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$newrow = false; |
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$daysinmonth = (int) gmdate( 't', $unixmonth ); |
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|
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for ( $day = 1; $day <= $daysinmonth; ++$day ) { |
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if ( $newrow ) { |
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$calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; |
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} |
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|
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$newrow = false; |
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|
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if ( $current_day === $day |
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&& $current_month === $thismonth |
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&& $current_year === $thisyear |
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) { |
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$calendar_output .= '<td id="today">'; |
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} else { |
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$calendar_output .= '<td>'; |
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} |
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|
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if ( in_array( $day, $daywithpost, true ) ) { |
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// Any posts today? |
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$date_format = gmdate( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) ); |
| 329 |
/* translators: Post calendar label. %s: Date. */ |
| 330 |
$label = sprintf( __( 'Posts published on %s' ), $date_format ); |
| 331 |
$calendar_output .= sprintf( |
| 332 |
'<a href="%s" aria-label="%s">%s</a>', |
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get_day_link( $thisyear, $thismonth, $day ), |
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esc_attr( $label ), |
| 335 |
$day |
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); |
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} else { |
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$calendar_output .= $day; |
| 339 |
} |
| 340 |
|
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$calendar_output .= '</td>'; |
| 342 |
|
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if ( 6 === (int) calendar_week_mod( (int) gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) { |
| 344 |
$newrow = true; |
| 345 |
} |
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} |
| 347 |
|
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$pad = 7 - calendar_week_mod( (int) gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ); |
| 349 |
if ( 0 < $pad && $pad < 7 ) { |
| 350 |
$calendar_output .= "\n\t\t" . '<td class="pad" colspan="' . esc_attr( $pad ) . '"> </td>'; |
| 351 |
} |
| 352 |
|
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$calendar_output .= "\n\t</tr>\n\t</tbody>"; |
| 354 |
|
| 355 |
$calendar_output .= "\n\t</table>"; |
| 356 |
|
| 357 |
$calendar_output .= '<nav aria-label="' . __( 'Previous and next months' ) . '" class="wp-calendar-nav">'; |
| 358 |
|
| 359 |
if ( $previous ) { |
| 360 |
$calendar_output .= "\n\t\t" . sprintf( |
| 361 |
'<span class="wp-calendar-nav-prev"><a href="%1$s">« %2$s</a></span>', |
| 362 |
get_month_link( $previous->year, $previous->month ), |
| 363 |
$wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) |
| 364 |
); |
| 365 |
} else { |
| 366 |
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"> </span>'; |
| 367 |
} |
| 368 |
|
| 369 |
$calendar_output .= "\n\t\t" . '<span class="pad"> </span>'; |
| 370 |
|
| 371 |
if ( $next ) { |
| 372 |
$calendar_output .= "\n\t\t" . sprintf( |
| 373 |
'<span class="wp-calendar-nav-next"><a href="%1$s">%2$s »</a></span>', |
| 374 |
get_month_link( $next->year, $next->month ), |
| 375 |
$wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) |
| 376 |
); |
| 377 |
} else { |
| 378 |
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"> </span>'; |
| 379 |
} |
| 380 |
|
| 381 |
$calendar_output .= ' |
| 382 |
</nav>'; |
| 383 |
|
| 384 |
$cache[ $key ] = $calendar_output; |
| 385 |
wp_cache_set( 'get_calendar', $cache, 'calendar' ); |
| 386 |
|
| 387 |
/** This filter is documented in wp-includes/general-template.php */ |
| 388 |
$calendar_output = apply_filters( 'get_calendar', $calendar_output, $args ); |
| 389 |
|
| 390 |
if ( $args['display'] ) { |
| 391 |
echo $calendar_output; |
| 392 |
return; |
| 393 |
} |
| 394 |
|
| 395 |
return $calendar_output; |
| 396 |
} |
| 397 |
} |
| 398 |
|
