function wpm_append_nodes($id)
{
global $wpm_options;
$wpm_options->update_option = false;
$item = wpm_readnode($id);
switch ($item->type) {
case 'TagList':
$item->down = 0;
_wpm_update_links($item);
$node->type = 'Heading';
$node->name = wpm_display_name($item);
wpm_update_node($item->id, $node);
$tags = wpm_get_tags();
foreach ($tags as $tag) {
if (in_array($tag->term_id, (array) $item->exclude)) {
continue;
}
$node->type = 'Tag';
$node->name = $tag->name;
$node->selection = $tag->term_id;
wpm_create_child($item->id, $node);
}
break;
case 'CategoryTree':
$item->down = 0;
_wpm_update_links($item);
$node->type = !$item->selection || in_array($item->selection, (array) $item->headings) ? 'Heading' : 'Category';
$node->name = wpm_display_name($item);
wpm_update_node($item->id, $node);
$cats = wpm_get_cats();
$newparents = array($item->selection);
while (++$level) {
if ($item->depth > 0 && $level > $item->depth) {
break;
}
if (count($newparents) == 0) {
break;
}
$parents = $newparents;
$newparents = array();
foreach ($cats as $cat) {
if (in_array($cat->term_id, (array) $item->exclude)) {
continue;
}
if (in_array($cat->parent, $parents)) {
$newparents[] = $cat->term_id;
$node->type = in_array($cat->term_id, (array) $item->headings) ? 'Heading' : 'Category';
$node->name = get_cat_name($cat->term_id);
$node->selection = $cat->term_id;
$parent = wpm_find_node($item->id, 'selection', $cat->parent);
wpm_create_child($parent->id, $node);
}
}
}
break;
case 'PageTree':
$item->down = 0;
_wpm_update_links($item);
$node->type = !$item->selection || in_array($item->selection, (array) $item->headings) ? 'Heading' : 'Page';
$node->name = wpm_display_name($item);
wpm_update_node($item->id, $node);
$pages = wpm_get_pages();
$newparents = array($item->selection);
while (++$level) {
if ($item->depth > 0 && $level > $item->depth) {
break;
}
if (count($newparents) == 0) {
break;
}
$parents = $newparents;
$newparents = array();
foreach ($pages as $page) {
if (in_array($page->ID, (array) $item->exclude)) {
continue;
}
if (in_array($page->post_parent, $parents)) {
$newparents[] = $page->ID;
$node->type = in_array($page->ID, (array) $item->headings) ? 'Heading' : 'Page';
$node->name = get_the_title($page->ID);
$node->selection = $page->ID;
$parent = wpm_find_node($item->id, 'selection', $page->post_parent);
wpm_create_child($parent->id, $node);
}
}
}
break;
}
$wpm_options->update_option = true;
}
function wpm_find_node($node_id, $field, $value)
{
if ($node_id == 0) {
return null;
}
$node = wpm_read_node($node_id);
if ($node->{$field} == $value) {
return $node;
}
if ($down = wpm_find_node($node->down, $field, $value)) {
return $down;
}
if ($side = wpm_find_node($node->side, $field, $value)) {
return $side;
}
return null;
}
