You are here

Home » API reference » Entity API 7 » entity_views_handler_relationship.inc

class entity_views_handler_relationship in Entity API 7

Relationship handler for data selection tables.

This handler may only be used in conjunction with data selection based Views tables or other base tables using a query plugin that supports data selection.

Hierarchy

Expanded class hierarchy of entity_views_handler_relationship

See also

entity_views_field_definition()

1 string reference to 'entity_views_handler_relationship'
entity_views_get_field_handlers in views/entity.views.inc

File

views/handlers/entity_views_handler_relationship.inc, line 19
Contains the entity_views_handler_relationship class.

View source 
class entity_views_handler_relationship extends views_handler_relationship {

  /**
   * Slightly modify the options form provided by the parent handler.
   */
  public function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);

    // This won't work with data selector-based relationships, as we only
    // inspect those *after* the results are known.
    $form['required']['#access'] = FALSE;

    // Notify the user of our restrictions regarding lists of entities, if
    // appropriate.
    if (!empty($this->definition['multiple'])) {
      $form['multiple_note'] = array(
        '#markup' => t('<strong>Note:</strong> This is a multi-valued relationship, which is currently not supported. ' . 'Only the first related entity will be shown.'),
        '#weight' => -5,
      );
    }
  }

  /**
   * Called to implement a relationship in a query.
   *
   * As we don't add any data to the query itself, we don't have to do anything
   * here. Views just don't thinks we have been called unless we set our
   * $alias property. Otherwise, this override is just here to keep PHP from
   * blowing up by calling inexistent methods on the query plugin.
   */
  public function query() {
    $this->alias = $this->options['id'];
  }

}

Members

Namesort descending Modifiers Type Description Overrides
entity_views_handler_relationship::options_form public function Slightly modify the options form provided by the parent handler. Overrides views_handler_relationship::options_form
entity_views_handler_relationship::query public function Called to implement a relationship in a query. Overrides views_handler_relationship::query
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::init public function Let relationships live on tables other than the table they operate on. Overrides views_handler::init 2
views_handler_relationship::label public function Get this field's label.
views_handler_relationship::option_definition public function Information about options for all kinds of purposes will be held here. Overrides views_handler::option_definition 3
views_handler_relationship::use_group_by public function You can't groupby a relationship. Overrides views_handler::use_group_by
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