情報を追記している場合はありますが、古い情報を訂正はしていませんので、公開年月日を参照してください。プラグイン・タグ、いずれもワードプレス・PHPのバージョン等によって動作しない場合もあります。
カレンダーに特定のカテゴリーのみを表示し、日別アーカイブでもそのカテゴリーのみを表示する。
カレンダーのコードはhttp://wordpress.org/support/topic/edit-get_calendar-function-to-allow-show-posts-from-specific-category?replies=11参照
functions.php
function widget_customCalendar($args) {
extract($args);
echo $before_widget;
echo get_calendar_custom(7); /* 7 is the category id you want to limit posts to */
echo $after_widget;
}
if ( function_exists('register_sidebar_widget') ) {
register_sidebar_widget('Customized Calendar', 'widget_customCalendar');
}
function get_calendar_custom($catid,$initial = true) {
global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
$key = md5( $m . $monthnum . $year );
if ( $cache = wp_cache_get( 'get_calendar_custom', 'calendar_custom' ) ) {
if ( isset( $cache[ $key ] ) ) {
echo $cache[ $key ];
return;
}
}
ob_start();
// Quick check. If we have no posts at all, abort!
if ( !$posts ) {
$gotsome = $wpdb->get_var("SELECT ID from $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1");
if ( !$gotsome )
return;
}
if ( isset($_GET['w']) )
$w = ''.intval($_GET['w']);
// week_begins = 0 stands for Sunday
$week_begins = intval(get_option('start_of_week'));
// Let's figure out when we are
if ( !empty($monthnum) && !empty($year) ) {
$thismonth = ''.zeroise(intval($monthnum), 2);
$thisyear = ''.intval($year);
} elseif ( !empty($w) ) {
// We need to get the month from MySQL
$thisyear = ''.intval(substr($m, 0, 4));
$d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's
$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('${thisyear}0101', INTERVAL $d DAY) ), '%m')");
} elseif ( !empty($m) ) {
$thisyear = ''.intval(substr($m, 0, 4));
if ( strlen($m) < 6 )
$thismonth = '01';
else
$thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2);
} else {
$thisyear = gmdate('Y', current_time('timestamp'));
$thismonth = gmdate('m', current_time('timestamp'));
}
$unixmonth = mktime(0, 0 , 0, $thismonth, 1, $thisyear);
// Get the next and previous month and year with at least one post
$previous = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
LEFT JOIN $wpdb->term_relationships ON($wpdb->posts.ID = $wpdb->term_relationships.object_id)
LEFT JOIN $wpdb->term_taxonomy ON($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)
WHERE post_date < '$thisyear-$thismonth-01'
AND $wpdb->term_taxonomy.term_id IN ($catid)
AND $wpdb->term_taxonomy.taxonomy = 'category'
AND post_type = 'post' AND post_status = 'publish'
ORDER BY post_date DESC
LIMIT 1");
$next = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
LEFT JOIN $wpdb->term_relationships ON($wpdb->posts.ID = $wpdb->term_relationships.object_id)
LEFT JOIN $wpdb->term_taxonomy ON($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)
WHERE post_date > '$thisyear-$thismonth-01'
AND $wpdb->term_taxonomy.term_id IN ($catid)
AND $wpdb->term_taxonomy.taxonomy = 'category'
AND MONTH( post_date ) != MONTH( '$thisyear-$thismonth-01' )
AND post_type = 'post' AND post_status = 'publish'
ORDER BY post_date ASC
LIMIT 1");
echo '<div id="calendar_wrap">
<table id="wp-calendar" summary="' . __('Calendar') . '">
<caption>' . sprintf(_c('%1$s %2$s|Used as a calendar caption'), $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '</caption>
<thead>
<tr>';
$myweek = array();
for ( $wdcount=0; $wdcount<=6; $wdcount++ ) {
$myweek[] = $wp_locale->get_weekday(($wdcount+$week_begins)%7);
}
foreach ( $myweek as $wd ) {
$day_name = (true == $initial) ? $wp_locale->get_weekday_initial($wd) : $wp_locale->get_weekday_abbrev($wd);
echo "ntt<th abbr="$wd" scope="col" title="$wd">$day_name</th>";
}
echo '
</tr>
</thead>
<tfoot>
<tr>';
if ( $previous ) {
echo "ntt".'<td abbr="' . $wp_locale->get_month($previous->month) . '" colspan="3" id="prev"><a href="' .
get_month_link($previous->year, $previous->month) . '" title="' . sprintf(__('View posts for %1$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>';
} else {
echo "ntt".'<td colspan="3" id="prev" class="pad"> </td>';
}
echo "ntt".'<td class="pad"> </td>';
if ( $next ) {
echo "ntt".'<td abbr="' . $wp_locale->get_month($next->month) . '" colspan="3" id="next"><a href="' .
get_month_link($next->year, $next->month) . '" title="' . sprintf(__('View posts for %1$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>';
} else {
echo "ntt".'<td colspan="3" id="next" class="pad"> </td>';
}
echo '
</tr>
</tfoot>
<tbody>
<tr>';
// Get days with posts
$dyp_sql = "SELECT DISTINCT DAYOFMONTH(post_date)
FROM $wpdb->posts
LEFT JOIN $wpdb->term_relationships ON($wpdb->posts.ID = $wpdb->term_relationships.object_id)
LEFT JOIN $wpdb->term_taxonomy ON($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)
WHERE MONTH(post_date) = '$thismonth'
AND $wpdb->term_taxonomy.term_id IN ($catid)
AND $wpdb->term_taxonomy.taxonomy = 'category'
AND YEAR(post_date) = '$thisyear'
AND post_type = 'post' AND post_status = 'publish'
AND post_date < '" . current_time('mysql') . "'";
$dayswithposts = $wpdb->get_results($dyp_sql, ARRAY_N);
if ( $dayswithposts ) {
foreach ( (array) $dayswithposts as $daywith ) {
$daywithpost[] = $daywith[0];
}
} else {
$daywithpost = array();
}
if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'camino') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false)
$ak_title_separator = "n";
else
$ak_title_separator = ', ';
$ak_titles_for_day = array();
$ak_post_titles = $wpdb->get_results("SELECT post_title, DAYOFMONTH(post_date) as dom "
."FROM $wpdb->posts "
."LEFT JOIN $wpdb->term_relationships ON($wpdb->posts.ID = $wpdb->term_relationships.object_id) "
."LEFT JOIN $wpdb->term_taxonomy ON($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) "
."WHERE YEAR(post_date) = '$thisyear' "
."AND $wpdb->term_taxonomy.term_id IN ($catid) "
."AND $wpdb->term_taxonomy.taxonomy = 'category' "
."AND MONTH(post_date) = '$thismonth' "
."AND post_date < '".current_time('mysql')."' "
."AND post_type = 'post' AND post_status = 'publish'"
);
if ( $ak_post_titles ) {
foreach ( (array) $ak_post_titles as $ak_post_title ) {
$post_title = apply_filters( "the_title", $ak_post_title->post_title );
$post_title = str_replace('"', '"', wptexturize( $post_title ));
if ( empty($ak_titles_for_day['day_'.$ak_post_title->dom]) )
$ak_titles_for_day['day_'.$ak_post_title->dom] = '';
if ( empty($ak_titles_for_day["$ak_post_title->dom"]) ) // first one
$ak_titles_for_day["$ak_post_title->dom"] = $post_title;
else
$ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $post_title;
}
}
// See how much we should pad in the beginning
$pad = calendar_week_mod(date('w', $unixmonth)-$week_begins);
if ( 0 != $pad )
echo "ntt".'<td colspan="'.$pad.'" class="pad"> </td>';
$daysinmonth = intval(date('t', $unixmonth));
for ( $day = 1; $day <= $daysinmonth; ++$day ) {
if ( isset($newrow) && $newrow )
echo "nt</tr>nt<tr>ntt";
$newrow = false;
if ( $day == gmdate('j', (time() + (get_option('gmt_offset') * 3600))) && $thismonth == gmdate('m', time()+(get_option('gmt_offset') * 3600)) && $thisyear == gmdate('Y', time()+(get_option('gmt_offset') * 3600)) )
echo '<td id="today">';
else
echo '<td>';
if ( in_array($day, $daywithpost) ) // any posts today?
echo '<a href="' . get_day_link($thisyear, $thismonth, $day) . "" title="$ak_titles_for_day[$day]">$day</a>";
else
echo $day;
echo '</td>';
if ( 6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins) )
$newrow = true;
}
$pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins);
if ( $pad != 0 && $pad != 7 )
echo "ntt".'<td class="pad" colspan="'.$pad.'"> </td>';
echo "nt</tr>nt</tbody>nt</table></div>";
$output = ob_get_contents();
ob_end_clean();
echo $output;
$cache[ $key ] = $output;
wp_cache_set( 'get_calendar_custom', $cache, 'calendar_custom' );
}
表示
<?php echo get_calendar_custom('7,8'); ?>
date.php
<? if (have_posts()) {
while (have_posts()) {
the_post();
if (in_category_family(7) || in_category_family(8)) {
$link = get_permalink();
$title = the_title(NULL,NULL,FALSE);
$content = get_the_excerpt();
$post_id = $post->ID;
$date = get_the_date('Y年n月j日');
$results[] = Array('id' => $post_id, 'title' => $title, 'link' => $link, 'content' => $content, 'date' => $date);
}
}
}
if ($results) {
foreach ( $results as $result ) {
?>
<h2><span class="right"><?=$result['date'];?></span><?=$result['title'];?></h2>
<div class="box">
<?=$result['content'];?>
<p class="postData"><a href="<?=$result['link'];?>" title="<?=$result['title'];?>">続きを読む</a></p>
</div>
<?
}
} else {
?>
<p>Sorry, no posts found</p>
<?
}
?>