class nodereferrer_view_handler_relationship in NodeReferrer 6

@file nodereferrer.module Views integration

Hierarchy

• class \nodereferrer_view_handler_relationship extends \views_handler_relationship

1 string reference to 'nodereferrer_view_handler_relationship'

nodereferrer_views_data_alter in views/nodereferrer.views.inc

@file nodereferrer.module Views integration

File

views/nodereferrer_view_handler_relationship.inc, line 7

nodereferrer.module Views integration

class nodereferrer_view_handler_relationship extends views_handler_relationship {
  var $content_field;
  function construct() {
    parent::construct();
    if (isset($this->definition['content_field_name'])) {
      $this->content_field = content_fields($this->definition['content_field_name']);
    }
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['referrer_delta'] = array(
      'default' => -1,
    );
    $options['referrer_field'] = array(
      'default' => '',
    );
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['referrer_field'] = array(
      '#type' => 'select',
      '#title' => t('Using field'),
      '#options' => nodereferrer_nodereference_field_options(),
      '#default_value' => empty($this->options['referrer_field']) ? array() : $this->options['referrer_field'],
    );
    $options = array(
      '-1' => t('All'),
    );
    for ($i = 0; $i < 10; $i++) {
      $options[$i] = $i + 1;
    }
    $form['referrer_delta'] = array(
      '#type' => 'select',
      '#options' => $options,
      '#default_value' => $this->options['referrer_delta'],
      '#title' => t('Delta'),
      '#description' => t('The delta allows you to select which item in a multiple value field to key the relationship off of. Select "1" to use the first item, "2" for the second item, and so on. If you select "All", each item in the field will create a new row, which may appear to cause duplicates.'),
    );
  }
  function ensure_my_table() {
    if (!isset($this->table_alias)) {
      $fieldname = $this->options['referrer_field'];
      $field = content_fields($fieldname);
      $db_info = content_database_info($field);
      $join = new views_join();
      $join
        ->construct($db_info['table'], 'node', 'nid', $db_info['columns']['nid']['column']);

      // Add delta condition.
      if (!isset($join->extra)) {
        $join->extra = array();
      }
      $delta = isset($this->options['referrer_delta']) ? $this->options['referrer_delta'] : -1;
      if ($delta != -1) {
        $join->extra[] = array(
          'field' => 'delta',
          'value' => $delta,
          'numeric' => TRUE,
        );
      }
      $this->table_alias = $this->query
        ->add_table($this->table, $this->relationship, $join);
    }
    return $this->table_alias;
  }

  /**
   * Called to implement a relationship in a query.
   */
  function query() {

    // Figure out what base table this relationship brings to the party.
    $table_data = views_fetch_data($this->definition['base']);
    $base_field = empty($this->definition['base field']) ? $table_data['table']['base']['field'] : $this->definition['base field'];
    $this
      ->ensure_my_table();
    $def = $this->definition;
    $def['table'] = $this->definition['base'];
    $def['field'] = 'vid';
    $def['left_table'] = $this->table_alias;
    $def['left_field'] = 'vid';
    if (!empty($this->options['required'])) {
      $def['type'] = 'INNER';
    }
    if (!empty($def['join_handler']) && class_exists($def['join_handler'])) {
      $join = new $def['join_handler']();
    }
    else {
      $join = new views_join();
    }
    $join->definition = $def;
    $join
      ->construct();
    $join->adjusted = TRUE;

    // use a short alias for this:
    $alias = $def['table'] . '_' . $this->table;
    $this->alias = $this->query
      ->add_relationship($alias, $join, $this->definition['base'], $this->relationship);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
nodereferrer_view_handler_relationship::$content_field		property
nodereferrer_view_handler_relationship::construct		function
nodereferrer_view_handler_relationship::ensure_my_table		function
nodereferrer_view_handler_relationship::options_form		function
nodereferrer_view_handler_relationship::option_definition		function
nodereferrer_view_handler_relationship::query		function	Called to implement a relationship in a query.