Same name and namespace in other branches
  1. 6.x-3.x modules/taxonomy/views_handler_relationship_node_term_data.inc \views_handler_relationship_node_term_data

Relationship handler to return the taxonomy terms of nodes.

Hierarchy

Expanded class hierarchy of views_handler_relationship_node_term_data

Related topics

Views relationship handlers
Handlers to tell Views how to create alternate relationships.
1 string reference to 'views_handler_relationship_node_term_data'
taxonomy_views_data_alter in modules/taxonomy.views.inc
Implements hook_views_data_alter().

File

modules/taxonomy/views_handler_relationship_node_term_data.inc, line 13
Definition of views_handler_relationship_node_term_data.

View source 
class views_handler_relationship_node_term_data extends views_handler_relationship {

  /**
   * {@inheritdoc}
   */
  public function init(&$view, &$options) {
    parent::init($view, $options);

    // Convert legacy vids option to machine name vocabularies.
    if (!empty($this->options['vids'])) {
      $vocabularies = taxonomy_get_vocabularies();
      foreach ($this->options['vids'] as $vid) {
        if (isset($vocabularies[$vid], $vocabularies[$vid]->machine_name)) {
          $this->options['vocabularies'][$vocabularies[$vid]->machine_name] = $vocabularies[$vid]->machine_name;
        }
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function option_definition() {
    $options = parent::option_definition();
    $options['vocabularies'] = array(
      'default' => array(),
    );
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function options_form(&$form, &$form_state) {
    $vocabularies = taxonomy_get_vocabularies();
    $options = array();
    foreach ($vocabularies as $voc) {
      $options[$voc->machine_name] = check_plain($voc->name);
    }
    $form['vocabularies'] = array(
      '#type' => 'checkboxes',
      '#title' => t('Vocabularies'),
      '#options' => $options,
      '#default_value' => $this->options['vocabularies'],
      '#description' => t('Choose which vocabularies you wish to relate. Remember that every term found will create a new record, so this relationship is best used on just one vocabulary that has only one term per node.'),
    );
    parent::options_form($form, $form_state);
  }

  /**
   * Called to implement a relationship in a query.
   */
  public function query() {
    $this
      ->ensure_my_table();
    $def = $this->definition;
    $def['table'] = 'taxonomy_term_data';
    if (!array_filter($this->options['vocabularies'])) {
      $taxonomy_index = $this->query
        ->add_table('taxonomy_index', $this->relationship);
      $def['left_table'] = $taxonomy_index;
      $def['left_field'] = 'tid';
      $def['field'] = 'tid';
      $def['type'] = empty($this->options['required']) ? 'LEFT' : 'INNER';
    }
    else {

      // If vocabularies are supplied join a subselect instead.
      $def['left_table'] = $this->table_alias;
      $def['left_field'] = 'nid';
      $def['field'] = 'nid';
      $def['type'] = empty($this->options['required']) ? 'LEFT' : 'INNER';
      $query = db_select('taxonomy_term_data', 'td');
      $query
        ->addJoin($def['type'], 'taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
      $query
        ->addJoin($def['type'], 'taxonomy_index', 'tn', 'tn.tid = td.tid');
      $query
        ->condition('tv.machine_name', array_filter($this->options['vocabularies']));
      if (empty($this->query->options['disable_sql_rewrite'])) {
        $query
          ->addTag('taxonomy_term_access');
      }
      $query
        ->fields('td');
      $query
        ->fields('tn', array(
        'nid',
      ));
      $def['table formula'] = $query;
    }
    $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, 'taxonomy_term_data', $this->relationship);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
views_handler::$handler_type public property The type of the handler, for example filter/footer/field.
views_handler::$query public property Where the $query object will reside:. 1
views_handler::$real_field public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
views_handler::$relationship public property The relationship used for this field.
views_handler::$table_alias public property The alias of the table of this handler which is used in the query.
views_handler::$view public property The top object of a view. Overrides views_object::$view
views_handler::accept_exposed_input public function Take input from exposed handlers and assign to this handler, if necessary. 1
views_handler::access public function Check whether current user has access to this handler. 10
views_handler::admin_summary public function Provide text for the administrative summary. 4
views_handler::broken public function Determine if the handler is considered 'broken'. 6
views_handler::can_expose public function Determine if a handler can be exposed. 2
views_handler::case_transform public function Transform a string by a certain method.
views_handler::ensure_my_table public function Ensure the main table for this handler is in the query. This is used a lot. 8
views_handler::exposed_form public function Render our chunk of the exposed handler form when selecting. 1
views_handler::exposed_info public function Get information about the exposed form for the form renderer. 1
views_handler::exposed_submit public function Submit the exposed handler form.
views_handler::exposed_validate public function Validate the exposed handler form. 4
views_handler::expose_form public function Form for exposed handler options. 2
views_handler::expose_options public function Set new exposed option defaults when exposed setting is flipped on. 2
views_handler::expose_submit public function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
views_handler::expose_validate public function Validate the options form. 1
views_handler::extra_options public function Provide defaults for the handler.
views_handler::extra_options_form public function Provide a form for setting options. 1
views_handler::extra_options_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler::extra_options_validate public function Validate the options form.
views_handler::get_field public function Shortcut to get a handler's raw field value.
views_handler::get_join public function Get the join object that should be used for this handler.
views_handler::groupby_form public function Provide a form for aggregation settings. 1
views_handler::groupby_form_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
views_handler::has_extra_options public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
views_handler::is_a_group public function Returns TRUE if the exposed filter works like a grouped filter. 1
views_handler::is_exposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::multiple_exposed_input public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
views_handler::needs_style_plugin public function Determine if the argument needs a style plugin. 1
views_handler::options_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 5
views_handler::options_validate public function Validate the options form. 4
views_handler::placeholder public function Provides a unique placeholders for handlers.
views_handler::post_execute public function Run after the view is executed, before the result is cached. 1
views_handler::pre_query public function Run before the view is built. 1
views_handler::sanitize_value public function Sanitize the value for output.
views_handler::set_relationship public function Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_button public function Shortcut to display the expose/hide button. 2
views_handler::show_expose_form public function Shortcut to display the exposed options form.
views_handler::store_exposed_input public function If set to remember exposed input in the session, store it there. 1
views_handler::ui_name public function Return a string representing this handler's name in the UI. 9
views_handler::validate public function Validates the handler against the complete View. 1
views_handler_relationship::label public function Get this field's label.
views_handler_relationship::use_group_by public function You can't groupby a relationship. Overrides views_handler::use_group_by
views_handler_relationship_node_term_data::init public function Let relationships live on tables other than the table they operate on. Overrides views_handler_relationship::init
views_handler_relationship_node_term_data::options_form public function Provide the label widget that all fields should have. Overrides views_handler_relationship::options_form
views_handler_relationship_node_term_data::option_definition public function Information about options for all kinds of purposes will be held here. Overrides views_handler_relationship::option_definition
views_handler_relationship_node_term_data::query public function Called to implement a relationship in a query. Overrides views_handler_relationship::query
views_object::$definition public property Handler's definition.
views_object::$options public property Except for displays, options for the object will be held here. 1
views_object::altered_option_definition function Collect this handler's option definition and alter them, ready for use.
views_object::construct public function Views handlers use a special construct function. 4
views_object::destroy public function Destructor. 2
views_object::export_option public function 1
views_object::export_options public function
views_object::export_option_always public function Always exports the option, regardless of the default value.
views_object::options Deprecated public function Set default options on this object. 1
views_object::set_default_options public function Set default options.
views_object::set_definition public function Let the handler know what its full definition is.
views_object::unpack_options public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable public function Unpack a single option definition.
views_object::unpack_translatables public function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults public function