class community_tags_views_handler_field_tags in Community Tags 6.2

Hierarchy

• class \community_tags_views_handler_field_tags extends \views_handler_field_prerender_list

1 string reference to 'community_tags_views_handler_field_tags'

community_tags_views_data in community_tags_views/community_tags_views.views.inc

File

community_tags_views/views/handlers/community_tags_views_handler_field_tags.inc, line 3

class community_tags_views_handler_field_tags extends views_handler_field_prerender_list {

  /**
   * Called to add the field to a query.
   */
  function query() {
    $this
      ->ensure_my_table();

    // Add the field.
    $aggregate_field = 'GROUP_CONCAT(' . $this->table_alias . '.tid)';

    // dpm($this->field);
    $this->field_alias = $this->query
      ->add_field(NULL, $aggregate_field, $this->field, array(
      'aggregate' => TRUE,
    ));
    $this->query->distinct = TRUE;

    // The following would be alot quicker but what about i18n etc?
    // $join = new views_join();
    //
    // $def = array();
    // $def['table'] = 'term_data';
    // $def['field'] = 'tid';
    // $def['left_table'] = 'community_tags_aggregates';
    // $def['left_field'] = 'tid';
    // $def['type'] = 'INNER';
    //
    // $join->definition = $def;
    // $join->construct();
    // $join->adjusted = TRUE;
    //
    // // use a short alias for this:
    // $alias = 'term_data_community_tags_aggregates';
    //
    // $relationship_alias = $this->query->add_relationship($alias, $join, 'term_data');
    //
    // $aggregated_term_name_field = 'GROUP_CONCAT('.$relationship_alias.'.name)';
    // $this->field_alias = $this->query->add_field(NULL, $aggregated_term_name_field, 'ct_tag_names', array('aggregate' => TRUE));
  }
  function get_items($values) {
    $tids_str = $values->{$this->field};
    $tids = explode(',', $tids_str);
    $tid_counts = array_count_values($tids);
    asort($tid_counts, SORT_NUMERIC);
    $n = $this->options['limit'];
    $top_n_tid_counts = !empty($n) ? array_slice($tid_counts, $n * -1, $n, true) : $tid_counts;
    $top_n_tids = array_keys($top_n_tid_counts);
    $result = db_query("SELECT td.* FROM {term_data} td WHERE td.tid IN (" . db_placeholders($top_n_tids) . ")", $top_n_tids);
    $items = array();
    while ($term = db_fetch_object($result)) {
      $item = array();
      $item['name'] = check_plain($term->name);
      $item['tid'] = $term->tid;
      $item['vid'] = $term->vid;
      $item['count'] = $top_n_tid_counts[$term->tid];
      if (!empty($this->options['link_to_taxonomy'])) {
        $item['make_link'] = TRUE;
        $item['path'] = taxonomy_term_path($term);
      }
      $items[] = $item;
    }
    return $items;
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['link_to_taxonomy'] = array(
      'default' => TRUE,
    );
    $options['limit'] = array(
      'default' => FALSE,
    );
    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' => 'textfield',
      '#title' => t('Limit terms'),
      '#default_value' => $this->options['limit'],
    );
  }
  function render_item($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'] . '-count' . ']'] = t('Tag count.');

    // $tokens['[' . $this->options['id'] . '-vocabulary' . ']'] = t('The name for the vocabulary the term belongs to.');
  }
  function add_self_tokens(&$tokens, $item) {
    $tokens['[' . $this->options['id'] . '-tid' . ']'] = $item['tid'];
    $tokens['[' . $this->options['id'] . '-name' . ']'] = $item['name'];
    $tokens['[' . $this->options['id'] . '-vid' . ']'] = $item['vid'];
    $tokens['[' . $this->options['id'] . '-count' . ']'] = $item['count'];

    // $tokens['[' . $this->options['id'] . '-vocabulary' . ']'] = $item['vocabulary'];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
community_tags_views_handler_field_tags::add_self_tokens		function
community_tags_views_handler_field_tags::document_self_tokens		function
community_tags_views_handler_field_tags::get_items		function
community_tags_views_handler_field_tags::options_form		function	Provide "link to term" option.
community_tags_views_handler_field_tags::option_definition		function
community_tags_views_handler_field_tags::query		function	Called to add the field to a query.
community_tags_views_handler_field_tags::render_item		function