Club Drupal

<?php

/**

 * @file

 * Definition of views_handler_argument_term_node_tid.

 */

/**

 * Allow taxonomy term ID(s) as argument.

 *

 * @ingroup views_argument_handlers

 */

class views_handler_argument_term_node_tid extends views_handler_argument_many_to_one {

  function option_definition() {

    $options = parent::option_definition();

    $options['set_breadcrumb'] = array('default' => FALSE, 'bool' => TRUE);

    return $options;

  }

  function options_form(&$form, &$form_state) {

    parent::options_form($form, $form_state);

    $form['set_breadcrumb'] = array(

      '#type' => 'checkbox',

      '#title' => t("Set the breadcrumb for the term parents"),

      '#description' => t('If selected, the breadcrumb trail will include all parent terms, each one linking to this view. Note that this only works if just one term was received.'),

      '#default_value' => !empty($this->options['set_breadcrumb']),

    );

  }

  function set_breadcrumb(&$breadcrumb) {

    if (empty($this->options['set_breadcrumb']) || !is_numeric($this->argument)) {

      return;

    }

    return views_taxonomy_set_breadcrumb($breadcrumb, $this);

  }

  function title_query() {

    $titles = array();

    $result = db_select('taxonomy_term_data', 'td')

      ->addTag('term_access')

      ->fields('td', array('name'))

      ->condition('td.tid', $this->value)

      ->execute();

    foreach ($result as $term) {

      $titles[] = check_plain($term->name);

    }

    return $titles;

  }

}