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Add get_pages(). Improve wp_list_pages(). Props: Adi Sieker and Chris Waigl. 

git-svn-id: https://develop.svn.wordpress.org/trunk@2022 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2004-12-30 19:41:14 +00:00
parent 5b811de7b8
commit a7c5546375
1 changed files with 60 additions and 25 deletions
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77
wp-includes/template-functions-post.php
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@ -321,17 +321,15 @@ function the_meta() {
// Pages // Pages
// //
function wp_list_pages($args = '') { function get_pages($args = '') {
global $wpdb; global $wpdb;
parse_str($args, $r); parse_str($args, $r);
if (!isset($r['child_of'])) $r['child_of'] = 0; if (!isset($r['child_of'])) $r['child_of'] = 0;
if (!isset($r['depth'])) $r['depth'] = 0;
if (!isset($r['show_date'])) $r['show_date'] = '';
if (!isset($r['sort_column'])) $r['sort_column'] = 'post_title'; if (!isset($r['sort_column'])) $r['sort_column'] = 'post_title';
if (!isset($r['sort_order'])) $r['sort_order'] = 'ASC'; if (!isset($r['sort_order'])) $r['sort_order'] = 'ASC';
$exclusions = ''; $exclusions = '';
if (!empty($r['exclude'])) { if (!empty($r['exclude'])) {
$expages = preg_split('/[\s,]+/',$r['exclude']); $expages = preg_split('/[\s,]+/',$r['exclude']);
@ -342,46 +340,84 @@ function wp_list_pages($args = '') {
} }
} }
$option_dates = ''; $dates = ",UNIX_TIMESTAMP(post_modified) AS time_modified";
if (! empty($r['show_date'])) { $dates .= ",UNIX_TIMESTAMP(post_date) AS time_created";
if ('modified' == $r['show_date'])
$option_dates = ",UNIX_TIMESTAMP(post_modified) AS ts";
else
$option_dates = ",UNIX_TIMESTAMP(post_date) AS ts";
}
$post_parent = ''; $post_parent = '';
if ($r['child_of']) { if ($r['child_of']) {
$post_parent = ' AND post_parent=' . $r['child_of'] . ' '; $post_parent = ' AND post_parent=' . $r['child_of'] . ' ';
} }
$pages = $wpdb->get_results("SELECT " . $pages = $wpdb->get_results("SELECT " .
"ID, post_title,post_parent " . "ID, post_title,post_parent " .
"$option_dates " . "$dates " .
"FROM $wpdb->posts " . "FROM $wpdb->posts " .
"WHERE post_status = 'static' " . "WHERE post_status = 'static' " .
"$post_parent" . "$post_parent" .
"$exclusions " . "$exclusions " .
"ORDER BY " . $r['sort_column'] . " " . $r['sort_order']); "ORDER BY " . $r['sort_column'] . " " . $r['sort_order']);
return $pages;
}
function wp_list_pages($args = '') {
parse_str($args, $r);
if (!isset($r['depth'])) $r['depth'] = 0;
if (!isset($r['show_date'])) $r['show_date'] = '';
if (!isset($r['child_of'])) $r['child_of'] = 0;
// Query pages.
$pages = get_pages($args);
// Now loop over all pages that were selected
$page_tree = Array(); $page_tree = Array();
foreach($pages as $page) { foreach($pages as $page) {
// set the title for the current page
$page_tree[$page->ID]['title'] = $page->post_title; $page_tree[$page->ID]['title'] = $page->post_title;
// set the selected date for the current page
// depending on the query arguments this is either
// the createtion date or the modification date
// as a unix timestamp. It will also always be in the
// ts field.
if (! empty($r['show_date'])) { if (! empty($r['show_date'])) {
$page_tree[$page->ID]['ts'] = $page->ts; if ('modified' == $r['show_date'])
} $page_tree[$page->ID]['ts'] = $page->date_modified;
$page_tree[$page->post_parent]['children'][] = $page->ID; else
} $page_tree[$page->ID]['ts'] = $page->date_created;
page_level_out($r['child_of'],$page_tree, $r);
} }
function page_level_out($parent, $page_tree, $args, $depth = 0) { // The tricky bit!!
// Using the parent ID of the current page as the
// array index we set the curent page as a child of that page.
// We can now start looping over the $page_tree array
// with any ID which will output the page links from that ID downwards.
$page_tree[$page->post_parent]['children'][] = $page->ID;
}
// Output of the pages starting with child_of as the root ID.
// child_of defaults to 0 if not supplied in the query.
_page_level_out($r['child_of'],$page_tree, $r);
}
function _page_level_out($parent, $page_tree, $args, $depth = 0) {
global $wp_query;
$queried_obj = $wp_query->get_queried_object();
if($depth) if($depth)
$indent = join(array_fill(0,$depth,"\t")); $indent = join(array_fill(0,$depth,"\t"));
foreach($page_tree[$parent]['children'] as $page_id) { foreach($page_tree[$parent]['children'] as $page_id) {
$cur_page = $page_tree[$page_id]; $cur_page = $page_tree[$page_id];
$title = $cur_page['title']; $title = $cur_page['title'];
echo $indent . '<li><a href="' . get_page_link($page_id) . '" title="' . wp_specialchars($title) . '">' . $title . '</a>';
$css_class = 'page_item';
if( $page_id == $queried_obj->ID) {
$css_class .= ' current_page_item';
}
echo $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page_id) . '" title="' . wp_specialchars($title) . '">' . $title . '</a>';
if(isset($cur_page['ts'])) { if(isset($cur_page['ts'])) {
$format = get_settings('date_format'); $format = get_settings('date_format');
if(isset($args['date_format'])) if(isset($args['date_format']))
@ -395,12 +431,11 @@ function page_level_out($parent, $page_tree, $args, $depth = 0) {
$new_depth = $depth + 1; $new_depth = $depth + 1;
if(!$args['depth'] || $depth < ($args['depth']-1)) { if(!$args['depth'] || $depth < ($args['depth']-1)) {
page_level_out($page_id,$page_tree, $args, $new_depth); _page_level_out($page_id,$page_tree, $args, $new_depth);
} }
echo "$indent</ul>\n"; echo "$indent</ul>\n";
} }
echo "$indent</li>\n"; echo "$indent</li>\n";
} }
} }