views_handler_field_term_node_tid.inc in Views (for Drupal 7) 6.3

File

modules/taxonomy/views_handler_field_term_node_tid.inc

<?php

/**
 * Field handler to display all taxonomy terms of a node.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_term_node_tid extends views_handler_field_prerender_list {
  function init(&$view, $options) {
    parent::init($view, $options);
    if ($view->base_table == 'node_revisions') {
      $this->additional_fields['vid'] = array(
        'table' => 'node_revisions',
        'field' => 'vid',
      );
    }
    else {
      $this->additional_fields['vid'] = array(
        'table' => 'node',
        'field' => 'vid',
      );
    }
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['link_to_taxonomy'] = array(
      'default' => TRUE,
    );
    $options['limit'] = array(
      'default' => FALSE,
    );
    $options['vids'] = array(
      'default' => array(),
    );
    return $options;
  }

  /**
   * Provide "link to term" option.
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['link_to_taxonomy'] = array(
      '#title' => t('Link this field to its term page'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_to_taxonomy']),
    );
    $form['limit'] = array(
      '#type' => 'checkbox',
      '#title' => t('Limit terms by vocabulary'),
      '#default_value' => $this->options['limit'],
    );
    $options = array();
    $vocabularies = taxonomy_get_vocabularies();
    foreach ($vocabularies as $voc) {
      $options[$voc->vid] = check_plain($voc->name);
    }
    $form['vids'] = array(
      '#prefix' => '<div><div id="edit-options-vids">',
      '#suffix' => '</div></div>',
      '#type' => 'checkboxes',
      '#title' => t('Vocabularies'),
      '#options' => $options,
      '#default_value' => $this->options['vids'],
      '#process' => array(
        'expand_checkboxes',
        'views_process_dependency',
      ),
      '#dependency' => array(
        'edit-options-limit' => array(
          TRUE,
        ),
      ),
    );
  }

  /**
   * Add this term to the query
   */
  function query() {
    $this
      ->add_additional_fields();
  }
  function pre_render($values) {
    $this->field_alias = $this->aliases['vid'];
    $vids = array();
    foreach ($values as $result) {
      if (!empty($result->{$this->aliases['vid']})) {
        $vids[] = $result->{$this->aliases['vid']};
      }
    }
    if ($vids) {
      $voc = '';
      $voc_ids = array_filter($this->options['vids']);
      if (!empty($this->options['limit']) && !empty($voc_ids)) {
        $voc = " AND td.vid IN (" . implode(', ', array_keys($voc_ids)) . ")";
      }
      $result = db_query("SELECT tn.vid AS node_vid, td.*, v.name as vocabulary FROM {term_data} td INNER JOIN {term_node} tn ON td.tid = tn.tid INNER JOIN {vocabulary} v ON v.vid = td.vid WHERE tn.vid IN (" . implode(', ', $vids) . "){$voc} ORDER BY td.weight, td.name");
      while ($term = db_fetch_object($result)) {
        $this->items[$term->node_vid][$term->tid]['name'] = check_plain($term->name);
        $this->items[$term->node_vid][$term->tid]['tid'] = $term->tid;
        $this->items[$term->node_vid][$term->tid]['vid'] = $term->vid;
        $this->items[$term->node_vid][$term->tid]['vocabulary'] = check_plain($term->vocabulary);
        if (!empty($this->options['link_to_taxonomy'])) {
          $this->items[$term->node_vid][$term->tid]['make_link'] = TRUE;
          $this->items[$term->node_vid][$term->tid]['path'] = taxonomy_term_path($term);
        }
      }
    }
  }
  function render_item($count, $item) {
    return $item['name'];
  }
  function document_self_tokens(&$tokens) {
    $tokens['[' . $this->options['id'] . '-tid' . ']'] = t('The taxonomy term ID for the term.');
    $tokens['[' . $this->options['id'] . '-name' . ']'] = t('The taxonomy term name for the term.');
    $tokens['[' . $this->options['id'] . '-vid' . ']'] = t('The vocabulary ID for the vocabulary the term belongs to.');
    $tokens['[' . $this->options['id'] . '-vocabulary' . ']'] = t('The name for the vocabulary the term belongs to.');
  }
  function add_self_tokens(&$tokens, $item) {
    foreach (array(
      'tid',
      'name',
      'vid',
      'vocabulary',
    ) as $token) {
      $tokens['[' . $this->options['id'] . '-' . $token . ']'] = isset($item[$token]) ? $item[$token] : '';
    }
  }

}

Classes

Name	Description
views_handler_field_term_node_tid	Field handler to display all taxonomy terms of a node.