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Hierarchical category count fixes from andy. fixes #2738 

git-svn-id: http://svn.automattic.com/wordpress/trunk@4707 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2007-01-09 08:45:05 +00:00
parent 7ba967ebd2
commit 509a601439
3 changed files with 55 additions and 10 deletions
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2
wp-content/themes/default/sidebar.php
View File

@ -46,7 +46,7 @@
</ul>
</li>
<?php wp_list_categories('optioncount=1&title_li=<h2>Categories</h2>'); ?>
<?php wp_list_categories('show_count=1&title_li=<h2>Categories</h2>'); ?>
<?php /* If this is the frontpage */ if ( is_home() || is_page() ) { ?>
<?php wp_list_bookmarks(); ?>

2
wp-includes/category-template.php
View File

@ -221,6 +221,8 @@ function wp_list_categories($args = '') {
'child_of' => 0, 'feed' => '', 'feed_image' => '', 'exclude' => '',
'hierarchical' => true, 'title_li' => __('Categories'));
$r = array_merge($defaults, $r);
if ( !isset($r['pad_counts']) && $r['show_count'] && $r['hierarchical'] )
$r['pad_counts'] = true;
if ( isset($r['show_date']) )
$r['include_last_update_time'] = $r['show_date'];
extract($r);

61
wp-includes/category.php
View File

@ -21,7 +21,7 @@ function &get_categories($args = '') {
$defaults = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC',
'hide_empty' => true, 'include_last_update_time' => false, 'hierarchical' => 1, 'exclude' => '', 'include' => '',
'number' => '');
'number' => '', 'pad_counts' => false);
$r = array_merge($defaults, $r);
if ( 'count' == $r['orderby'] )
$r['orderby'] = 'category_count';
@ -109,17 +109,21 @@ function &get_categories($args = '') {
$categories = & _get_cat_children($child_of, $categories);
// Update category counts to include children.
if ( $hierarchical ) {
if ( $pad_counts )
_pad_category_counts($type, $categories);
// Make sure we show empty categories that have children.
if ( $hierarchical && $hide_empty ) {
foreach ( $categories as $k => $category ) {
$progeny = 'link' == $type ? $category->link_count : $category->category_count;
if ( $children = _get_cat_children($category->cat_ID, $categories) ) {
if ( ! $category->{'link' == $type ? 'link_count' : 'category_count'} ) {
$children = _get_cat_children($category->cat_ID, $categories);
foreach ( $children as $child )
$progeny += 'link' == $type ? $child->link_count : $child->category_count;
}
if ( !$progeny && $hide_empty )
if ( $child->{'link' == $type ? 'link_count' : 'category_count'} )
continue 2;
// It really is empty
unset($categories[$k]);
else
$categories[$k]->{'link' == $type ? 'link_count' : 'category_count'} = $progeny;
}
}
}
reset ( $categories );
@ -256,4 +260,43 @@ function &_get_cat_children($category_id, $categories) {
return $category_list;
}
// Recalculates link or post counts by including items from child categories
// Assumes all relevant children are already in the $categories argument
function _pad_category_counts($type, &$categories) {
global $wpdb;
// Set up some useful arrays
foreach ( $categories as $key => $cat ) {
$cats[$cat->cat_ID] = & $categories[$key];
$cat_IDs[] = $cat->cat_ID;
}
// Get the relevant post2cat or link2cat records and stick them in a lookup table
if ( $type == 'post' ) {
$results = $wpdb->get_results("SELECT post_id, category_id FROM $wpdb->post2cat LEFT JOIN $wpdb->posts ON post_id = ID WHERE category_id IN (".join(',', $cat_IDs).") AND post_type = 'post' AND post_status = 'publish'");
foreach ( $results as $row )
++$cat_items[$row->category_id][$row->post_id];
} else {
$results = $wpdb->get_results("SELECT $wpdb->link2cat.link_id, category_id FROM $wpdb->link2cat LEFT JOIN $wpdb->links USING (link_id) WHERE category_id IN (".join(',', $cat_IDs).") AND link_visible = 'Y'");
foreach ( $results as $row )
++$cat_items[$row->category_id][$row->link_id];
}
// Touch every ancestor's lookup row for each post in each category
foreach ( $cat_IDs as $cat_ID ) {
$child = $cat_ID;
while ( $parent = $cats[$child]->category_parent ) {
if ( !empty($cat_items[$cat_ID]) )
foreach ( $cat_items[$cat_ID] as $item_id => $touches )
++$cat_items[$parent][$item_id];
$child = $parent;
}
}
// Transfer the touched cells
foreach ( $cat_items as $id => $items )
if ( isset($cats[$id]) )
$cats[$id]->{'link' == $type ? 'link_count' : 'category_count'} = count($items);
}
?>