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<?php |
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// obliged to rewrite the whole WordPress function as there is no filter on sql queries and only a filter on final output |
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// a request for making a filter on sql queries exists: http://core.trac.wordpress.org/ticket/15202 |
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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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// 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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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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class Polylang_Widget_Calendar extends WP_Widget_Calendar { |
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|
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function widget( $args, $instance ) { |
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extract($args); |
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$title = apply_filters('widget_title', empty($instance['title']) ? ' ' : $instance['title'], $instance, $this->id_base); |
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echo $before_widget; |
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if ( $title ) |
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echo $before_title . $title . $after_title; |
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echo '<div id="calendar_wrap">'; |
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$this->get_calendar(); #modified# |
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echo '</div>'; |
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echo $after_widget; |
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} |
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|
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// modified version of WP get_calendar function to filter the query |
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function get_calendar($initial = true, $echo = true) { |
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global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; |
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global $polylang; #added# |
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$lang = $polylang->get_current_language()->term_taxonomy_id; #added# |
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|
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$cache = array(); |
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$key = md5( $lang . $m . $monthnum . $year ); #modified# |
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if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) { |
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if ( is_array($cache) && isset( $cache[ $key ] ) ) { |
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if ( $echo ) { |
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echo apply_filters( 'get_calendar', $cache[$key] ); |
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return; |
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} else { |
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return apply_filters( 'get_calendar', $cache[$key] ); |
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} |
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} |
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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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// Quick check. If we have no posts at all, abort! |
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if ( !$posts ) { |
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$gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1"); |
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if ( !$gotsome ) { |
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$cache[ $key ] = ''; |
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wp_cache_set( 'get_calendar', $cache, 'calendar' ); |
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return; |
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} |
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} |
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|
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if ( isset($_GET['w']) ) |
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$w = ''.intval($_GET['w']); |
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|
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// week_begins = 0 stands for Sunday |
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$week_begins = intval(get_option('start_of_week')); |
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|
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// Let's figure out when we are |
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if ( !empty($monthnum) && !empty($year) ) { |
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$thismonth = ''.zeroise(intval($monthnum), 2); |
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$thisyear = ''.intval($year); |
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} elseif ( !empty($w) ) { |
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// We need to get the month from MySQL |
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$thisyear = ''.intval(substr($m, 0, 4)); |
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$d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's |
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$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')"); |
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} elseif ( !empty($m) ) { |
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$thisyear = ''.intval(substr($m, 0, 4)); |
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if ( strlen($m) < 6 ) |
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$thismonth = '01'; |
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else |
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$thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2); |
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} else { |
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$thisyear = gmdate('Y', current_time('timestamp')); |
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$thismonth = gmdate('m', current_time('timestamp')); |
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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 = date('t', $unixmonth); |
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|
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// Get the next and previous month and year with at least one post |
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$previous = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year |
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FROM $wpdb->posts |
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INNER JOIN $wpdb->term_relationships AS tr ON tr.object_id = ID |
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WHERE post_date < '$thisyear-$thismonth-01' |
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AND post_type = 'post' AND post_status = 'publish' AND tr.term_taxonomy_id = $lang |
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ORDER BY post_date DESC |
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LIMIT 1"); #modified# |
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$next = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year |
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FROM $wpdb->posts |
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INNER JOIN $wpdb->term_relationships AS tr ON tr.object_id = ID |
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WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' |
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AND post_type = 'post' AND post_status = 'publish' AND tr.term_taxonomy_id = $lang |
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ORDER BY post_date ASC |
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LIMIT 1"); #modified# |
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|
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/* translators: Calendar caption: 1: month name, 2: 4-digit year */ |
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$calendar_caption = _x('%1$s %2$s', 'calendar caption'); |
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$calendar_output = '<table id="wp-calendar"> |
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<caption>' . sprintf($calendar_caption, $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '</caption> |
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<thead> |
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<tr>'; |
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|
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$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 = (true == $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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$calendar_output .= "\n\t\t<th scope=\"col\" title=\"$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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|
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<tfoot> |
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<tr>'; |
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|
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if ( $previous ) { |
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$calendar_output .= "\n\t\t".'<td colspan="3" id="prev"><a href="' . get_month_link($previous->year, $previous->month) . '" title="' . esc_attr( sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($previous->month), date('Y', mktime(0, 0 , 0, $previous->month, 1, $previous->year)))) . '">« ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '</a></td>'; |
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} else { |
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$calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad"> </td>'; |
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} |
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|
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$calendar_output .= "\n\t\t".'<td class="pad"> </td>'; |
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|
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if ( $next ) { |
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$calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link($next->year, $next->month) . '" title="' . esc_attr( sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($next->month), date('Y', mktime(0, 0 , 0, $next->month, 1, $next->year))) ) . '">' . $wp_locale->get_month_abbrev($wp_locale->get_month($next->month)) . ' »</a></td>'; |
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} else { |
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$calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad"> </td>'; |
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} |
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|
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$calendar_output .= ' |
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</tr> |
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</tfoot> |
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|
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<tbody> |
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<tr>'; |
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|
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// Get days with posts |
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$dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date) |
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FROM $wpdb->posts |
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INNER JOIN $wpdb->term_relationships AS tr ON tr.object_id = ID |
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WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' |
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AND post_type = 'post' AND post_status = 'publish' AND tr.term_taxonomy_id = $lang |
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AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N); #modified# |
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if ( $dayswithposts ) { |
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foreach ( (array) $dayswithposts as $daywith ) { |
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$daywithpost[] = $daywith[0]; |
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} |
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} else { |
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$daywithpost = array(); |
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} |
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|
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'camino') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false) |
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$ak_title_separator = "\n"; |
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else |
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$ak_title_separator = ', '; |
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|
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$ak_titles_for_day = array(); |
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$ak_post_titles = $wpdb->get_results("SELECT ID, post_title, DAYOFMONTH(post_date) as dom " |
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."FROM $wpdb->posts " |
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."INNER JOIN $wpdb->term_relationships AS tr ON tr.object_id = ID " |
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."WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' " |
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."AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59' " |
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."AND post_type = 'post' AND post_status = 'publish' AND tr.term_taxonomy_id = $lang" |
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); #modified# |
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if ( $ak_post_titles ) { |
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foreach ( (array) $ak_post_titles as $ak_post_title ) { |
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|
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$post_title = esc_attr( apply_filters( 'the_title', $ak_post_title->post_title, $ak_post_title->ID ) ); |
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|
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if ( empty($ak_titles_for_day['day_'.$ak_post_title->dom]) ) |
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$ak_titles_for_day['day_'.$ak_post_title->dom] = ''; |
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if ( empty($ak_titles_for_day["$ak_post_title->dom"]) ) // first one |
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$ak_titles_for_day["$ak_post_title->dom"] = $post_title; |
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else |
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$ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $post_title; |
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} |
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} |
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|
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// See how much we should pad in the beginning |
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$pad = calendar_week_mod(date('w', $unixmonth)-$week_begins); |
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if ( 0 != $pad ) |
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$calendar_output .= "\n\t\t".'<td colspan="'. esc_attr($pad) .'" class="pad"> </td>'; |
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|
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$daysinmonth = intval(date('t', $unixmonth)); |
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for ( $day = 1; $day <= $daysinmonth; ++$day ) { |
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if ( isset($newrow) && $newrow ) |
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$calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; |
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$newrow = false; |
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|
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if ( $day == gmdate('j', current_time('timestamp')) && $thismonth == gmdate('m', current_time('timestamp')) && $thisyear == gmdate('Y', current_time('timestamp')) ) |
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$calendar_output .= '<td id="today">'; |
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else |
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$calendar_output .= '<td>'; |
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|
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if ( in_array($day, $daywithpost) ) // any posts today? |
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$calendar_output .= '<a href="' . get_day_link( $thisyear, $thismonth, $day ) . '" title="' . esc_attr( $ak_titles_for_day[ $day ] ) . "\">$day</a>"; |
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else |
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$calendar_output .= $day; |
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$calendar_output .= '</td>'; |
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|
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if ( 6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins) ) |
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$newrow = true; |
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} |
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|
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$pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins); |
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if ( $pad != 0 && $pad != 7 ) |
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$calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr($pad) .'"> </td>'; |
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|
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$calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>"; |
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|
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$cache[ $key ] = $calendar_output; |
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wp_cache_set( 'get_calendar', $cache, 'calendar' ); |
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|
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if ( $echo ) |
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echo apply_filters( 'get_calendar', $calendar_output ); |
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else |
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return apply_filters( 'get_calendar', $calendar_output ); |
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} |
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} |
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|
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?> |
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|
