taxonomy_entity_index_handler_argument_tid_depth.inc in Taxonomy Entity Index 7

Handler to filter all entities which has a certain term with depth.

File

includes/views/handlers/taxonomy_entity_index_handler_argument_tid_depth.inc

<?php

/**
 * @file
 * Handler to filter all entities which has a certain term with depth.
 */
class taxonomy_entity_index_handler_argument_tid_depth extends views_handler_argument_term_node_tid_depth {
  function init(&$view, &$options) {
    parent::init($view, $options);
    $this->base_table_info = views_fetch_data($this->table);
  }
  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 (count($tids->value) > 1) {
        $operator = 'IN';
      }
      else {
        $operator = '=';
      }
      $tids = $tids->value;
    }
    else {
      $operator = "=";
      $tids = $this->argument;
    }

    // Now build the subqueries.
    $subquery = db_select('taxonomy_entity_index', 'tn');
    $subquery
      ->addField('tn', 'entity_id');
    if (isset($this->base_table_info['table']['entity type'])) {
      $subquery
        ->condition('entity_type', $this->base_table_info['table']['entity type']);
    }
    $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');
  }

}

Classes

Name	Description
taxonomy_entity_index_handler_argument_tid_depth	@file Handler to filter all entities which has a certain term with depth.