function views_handler_filter_term_edge_node_tid_depth::query in Taxonomy Edge 6

Same name and namespace in other branches

1. 8 views_taxonomy_edge/handlers/views_handler_filter_term_edge_node_tid_depth.inc \views_handler_filter_term_edge_node_tid_depth::query()
2. 7.2 views_taxonomy_edge/handlers/views_handler_filter_term_edge_node_tid_depth.inc \views_handler_filter_term_edge_node_tid_depth::query()
3. 7 views_taxonomy_edge/handlers/views_handler_filter_term_edge_node_tid_depth.inc \views_handler_filter_term_edge_node_tid_depth::query()

File

views_taxonomy_edge/handlers/views_handler_filter_term_edge_node_tid_depth.inc, line 12

This file is a copy/override of the default views taxonomy filter handler.

Class

views_handler_filter_term_edge_node_tid_depth

@file

Code

function query() {

  // If no filter values are present, then do nothing.
  if (count($this->value) == 0) {
    return;
  }
  elseif (count($this->value) == 1) {
    $placeholder = " = %d";
  }
  else {
    $placeholder = " IN (" . implode(', ', array_fill(0, sizeof($this->value), '%d')) . ")";
  }

  // The normal use of ensure_my_table() here breaks Views.
  // So instead we trick the filter into using the alias of the base table.
  // See http://drupal.org/node/271833
  // If a relationship is set, we must use the alias it provides.
  if (!empty($this->relationship)) {
    $this->table_alias = $this->relationship;
  }
  elseif (isset($this->query->table_queue[$this->query->base_table]['alias'])) {
    $this->table_alias = $this->query->table_queue[$this->query->base_table]['alias'];
  }
  else {
    return;
  }

  // Now build the subqueries.
  $tids = $this->value;
  $subquery = "\n  SELECT tn.vid FROM {term_node} tn\n";
  $where = "  WHERE \n";
  if ($this->options['depth'] == 'all') {
    $subquery .= "    INNER JOIN {term_edge} te ON te.tid = tn.tid\n";
    $where .= "    te.parent {$placeholder}\n";
    $args = $tids;
  }
  elseif ($this->options['depth'] > 0) {
    $subquery .= "    INNER JOIN {term_edge} te ON te.tid = tn.tid\n";
    $where .= "    te.parent {$placeholder}\n";
    $where .= "    AND te.distance <= %d\n";
    $args = $tids;
    $args[] = $this->options['depth'];
  }
  elseif ($this->options['depth'] < 0) {
    $subquery .= "    INNER JOIN {term_edge} te ON te.tid = tn.tid\n";
    $where .= "    te.parent = (SELECT parent FROM {term_edge} WHERE tid {$placeholder} AND distance = %d)\n";
    $where .= "    AND te.distance <= %d\n";
    $args = $tids;
    $args[] = abs($this->options['depth']);
    $args[] = abs($this->options['depth']);
  }
  else {
    $where .= "    tn.tid {$placeholder}\n";
    $args = $tids;
  }
  $this->query
    ->add_where(0, "{$this->table_alias}.{$this->real_field} IN ({$subquery}{$where}  )", $args);
}