View source
<?php
class menu_node_views_argument_nid extends views_handler_argument_node_nid {
function option_definition() {
$options = parent::option_definition();
$options['depth'] = array(
'default' => 1,
);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['depth'] = array(
'#type' => 'select',
'#title' => t('Depth'),
'#options' => drupal_map_assoc(array(
1,
2,
3,
4,
5,
6,
7,
8,
9,
)),
'#default_value' => $this->options['depth'],
'#description' => t('The depth will match nodes tagged with terms in the hierarchy. For example, if you have the term "fruit" and a child term "apple", with a depth of 1 (or higher) then filtering for the term "fruit" will get nodes that are tagged with "apple" as well as "fruit". If negative, the reverse is true; searching for "apple" will also pick up nodes tagged with "fruit" if depth is -1 (or lower).'),
);
unset($form['break_phrase']);
}
function query($group_by = FALSE) {
$this
->ensure_my_table();
$nid = $this->argument;
$depth = $this->options['depth'];
$pid_list = db_query("SELECT mlid FROM {menu_node} WHERE nid = :nid", array(
':nid' => $nid,
));
foreach ($pid_list as $pid) {
$item_list = db_query("SELECT * FROM {menu_links} WHERE mlid = :pid", array(
':pid' => $pid->mlid,
));
foreach ($item_list as $item) {
$max_depth = menu_link_children_relative_depth((array) $item);
if ($max_depth < $this->options['depth']) {
$depth = $max_depth;
}
$i = (int) $item->depth;
$depth = (int) ($i + $depth);
$this->query
->add_where(0, $this->table_alias . '.p' . $i, (int) $item->mlid, '=');
$this->query
->add_where(0, $this->table_alias . '.depth', $i, '>');
$this->query
->add_where(0, $this->table_alias . '.depth', $depth, '<=');
}
}
}
}
