gen_get_parent_id
... for the guys that don't have the page tools
plugin installed (Thanks to Krischan, again :))
Released under the GPL license
http://www.gnu.org/licenses/gpl.txt
This file is part of WordPress.
WordPress is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* gen_the_time
* Same as the_time but echoes nothing. A string is returned instead.
*/
function gen_the_time( $d = '' ) {
return apply_filters('the_time', get_the_time( $d ), $d);
}
/*
* gen_bloginfo
* Same as bloginfo but echoes nothing. A string is returned instead.
*/
function gen_bloginfo($show='') {
$info = get_bloginfo($show);
$info = apply_filters('bloginfo', $info, $show);
return convert_chars($info);
}
/*
* gen_get_parents
* - $before, $after are chunks of text (HTML) that are placed before
* and after the link to each page. (-> page tools)
*
* Prints HTML with links to the parents of the current page.
*/
function gen_get_parents(
$args = '',
$value = '',
$before = "\n\n" )
{
global $id;
$result = '';
$home = '';
parse_str($args, $r);
if (!isset($r['title'])) {
$r['title'] = 'Trace';
}
if (!empty($r['title'])) {
$result .= "\n" . $r['title'] . "
\n";
}
$home = 'home';
if (gen_is_page($id)) {
$result .= $before . $home . __gen_get_parents($id, 0, $value, $before, $after) . $after;
} else {
$result .= $before . $home . $after;
}
if (!empty($r['title'])) {
$result .= '';
}
return $result; //($id != 1 ? $result : '');
}
function __gen_get_parents($id, $depth, $value, $before, $after) {
$result = $value;
$links = array();
if (($id > 0)) {// && (is_page($id))) {
$link = get_permalink( $id );
$title = get_the_title( $id );
if ($depth == 0) {
$result = $before . $title . $value . $after;
} else {
$result = $before . '' . $title . '' . $value . $after;
}
$result = __gen_get_parents(page_get_parent_id($id), $depth + 1, $result, $before, $after);
}
return $result;
}
/*
* gen_get_children
* - $before, $after are chunks of HTML that will be placed before
* and after the link to each page.
*
* Prints HTML with links to the children of the current page.
*/
function gen_get_children ( $before = "", $after = "" ) {
global $id;
$children = gen_get_child_ids( $id );
$links = array();
if ( ! $children ) return;
foreach ( $children as $child ) {
$cid = $child->ID;
if ( $cid == 0 ) next;
$link = get_permalink( $cid );
$title = get_the_title( $cid );
$links[] = "$title";
}
$s = "";
foreach ( $links as $link ) {
$s .= $before.$link.$after."\n";
}
return $s;
}
/*
* gen_get_child_ids
* - $parent the ID of the parent page
* - returns an associative array containing the IDs of the children
* of the parent page
*/
function gen_get_child_ids ( $parent = 0 ) {
global $wpdb;
// Return if no ID was specified.
if ( $parent == 0 ) return 0;
// Get the ID of the parent.
return $wpdb->get_results("
SELECT ID
FROM $wpdb->posts
WHERE post_parent = $parent AND post_status = 'static'
ORDER BY menu_order, post_title
");
}
function gen_is_page($page = 0) {
global $wpdb;
if ($page > 0) {
$result = $wpdb->get_results("
SELECT ID
FROM $wpdb->posts
WHERE ID = $page AND post_status = 'static'");
return (!empty($result));
}
return false;
}
function gen_last_modified($page = 0, $gmt = false) {
global $wpdb;
$result = 0;
$format = get_settings('date_format');
if ($page > 0) {
$ts = $wpdb->get_var("
SELECT post_modified
FROM $wpdb->posts
WHERE ID = $page");
$result = mysql2date($format, $ts);
}
return apply_filters('get_the_time', $result, $format, $gmt);
}
function gen_get_parent_id($page) {
global $wpdb;
if ($page > 0) {
$parent = $wpdb->get_var("SELECT post_parent FROM $wpdb->posts WHERE ID=$page");
if ($parent) {
return $parent;
}
}
return -1;
}
function gen_get_page_id() {
global $wp_query;
if (is_home()) {
return 0;
} else {
return $wp_query->post->ID;
}
}
/*
* Same as _page_level_out except that an additional parameter is accepted: mark_id.
* It can be used to mark active pages in a page tree...
*/
function gen_page_level_out($parent, $page_tree, $args, $depth = 0, $echo = true) {
global $wp_query;
$queried_obj = $wp_query->get_queried_object();
$output = '';
$mark = -1;
if (isset($args['mark_id'])) {
$mark = $args['mark_id'];
}
if($depth)
$indent = str_repeat("\t", $depth);
//$indent = join('', array_fill(0,$depth,"\t"));
if (isset($page_tree[$parent]['children'])) {
foreach($page_tree[$parent]['children'] as $page_id) {
$cur_page = $page_tree[$page_id];
$title = $cur_page['title'];
$css_class = 'page_item';
if (($page_id == $queried_obj->ID) || ($mark == $page_id)) {
$css_class .= ' current_page_item';
}
$output .= $indent . '' . $title . '';
if(isset($cur_page['ts'])) {
$format = get_settings('date_format');
if(isset($args['date_format']))
$format = $args['date_format'];
$output .= " " . mysql2date($format, $cur_page['ts']);
}
echo "\n";
if(isset($cur_page['children']) && is_array($cur_page['children'])) {
$new_depth = $depth + 1;
if(!$args['depth'] || $depth < ($args['depth']-1)) {
$output .= "$indent\n";
$output .= gen_page_level_out($page_id, $page_tree, $args, $new_depth, false);
$output .= "$indent
\n";
}
}
$output .= "$indent\n";
}
if ( $echo )
echo $output;
else
return $output;
}
}
function gen_get_permalink($id) {
if ($id == 0) {
return get_settings('home') . "/";
} else if ($id == -1) {
return NULL;
} else {
return get_permalink($id);
}
}
?>