function views_handler_argument_term_node_tid_depth::query
Overrides views_handler_argument::query
File
-
modules/
taxonomy/ views_handler_argument_term_node_tid_depth.inc, line 99
Class
- views_handler_argument_term_node_tid_depth
- Argument handler for taxonomy terms with depth.
Code
public function query($group_by = FALSE) {
$this->ensure_my_table();
if (!empty($this->options['break_phrase'])) {
$tids = new stdClass();
$tids->value = $this->argument;
$tids = views_break_phrase($this->argument, $tids);
if ($tids->value == array(
-1,
)) {
return FALSE;
}
if (is_array($tids->value) && count($tids->value) > 1) {
$operator = 'IN';
}
else {
$operator = '=';
}
$tids = $tids->value;
}
else {
$operator = "=";
$tids = $this->argument;
}
// Now build the subqueries.
$subquery = db_select('taxonomy_index', 'tn');
$subquery->addField('tn', 'nid');
$where = db_or()->condition('tn.tid', $tids, $operator);
$last = "tn";
if ($this->options['depth'] > 0) {
$subquery->leftJoin('taxonomy_term_hierarchy', 'th', "th.tid = tn.tid");
$last = "th";
foreach (range(1, abs($this->options['depth'])) as $count) {
$subquery->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.parent = th{$count}.tid");
$where->condition("th{$count}.tid", $tids, $operator);
$last = "th{$count}";
}
}
elseif ($this->options['depth'] < 0) {
foreach (range(1, abs($this->options['depth'])) as $count) {
$subquery->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.tid = th{$count}.parent");
$where->condition("th{$count}.tid", $tids, $operator);
$last = "th{$count}";
}
}
$subquery->condition($where);
$this->query
->add_where(0, "{$this->table_alias}.{$this->real_field}", $subquery, 'IN');
}