class views_handler_relationship_entity_reverse

A relationship handlers which reverse entity references.

Hierarchy

Expanded class hierarchy of views_handler_relationship_entity_reverse

Related topics

3 string references to 'views_handler_relationship_entity_reverse'
file_field_views_data_views_data_alter in modules/file.views.inc
Implements hook_field_views_data_views_data_alter().
image_field_views_data_views_data_alter in modules/image.views.inc
Implements hook_field_views_data_views_data_alter().
taxonomy_field_views_data_views_data_alter in modules/taxonomy.views.inc
Implements hook_field_views_data_views_data_alter().

File

modules/field/views_handler_relationship_entity_reverse.inc, line 13

View source
class views_handler_relationship_entity_reverse extends views_handler_relationship {
    
    /**
     * {@inheritdoc}
     */
    public function init(&$view, &$options) {
        parent::init($view, $options);
        $this->field_info = field_info_field($this->definition['field_name']);
    }
    
    /**
     * Called to implement a relationship in a query.
     */
    public function query() {
        $this->ensure_my_table();
        // First, relate our base table to the current base table to the
        // field, using the base table's id field to the field's column.
        $views_data = views_fetch_data($this->table);
        $left_field = $views_data['table']['base']['field'];
        $first = array(
            'left_table' => $this->table_alias,
            'left_field' => $left_field,
            'table' => $this->definition['field table'],
            'field' => $this->definition['field field'],
        );
        if (!empty($this->options['required'])) {
            $first['type'] = 'INNER';
        }
        if (!empty($this->definition['join_extra'])) {
            $first['extra'] = $this->definition['join_extra'];
        }
        if (!empty($this->definition['join_handler']) && class_exists($this->definition['join_handler'])) {
            $first_join = new $this->definition['join_handler']();
        }
        else {
            $first_join = new views_join();
        }
        $first_join->definition = $first;
        $first_join->construct();
        $first_join->adjusted = TRUE;
        $this->first_alias = $this->query
            ->add_table($this->definition['field table'], $this->relationship, $first_join);
        // Second, relate the field table to the entity specified using
        // the entity id on the field table and the entity's id field.
        $second = array(
            'left_table' => $this->first_alias,
            'left_field' => 'entity_id',
            'table' => $this->definition['base'],
            'field' => $this->definition['base field'],
        );
        if (!empty($this->options['required'])) {
            $second['type'] = 'INNER';
        }
        if (!empty($this->definition['join_handler']) && class_exists($this->definition['join_handler'])) {
            $second_join = new $this->definition['join_handler']();
        }
        else {
            $second_join = new views_join();
        }
        $second_join->definition = $second;
        $second_join->construct();
        $second_join->adjusted = TRUE;
        // Use a short alias for this.
        $alias = $this->definition['field_name'] . '_' . $this->table;
        $this->alias = $this->query
            ->add_relationship($alias, $second_join, $this->definition['base'], $this->relationship);
    }

}

Members

Title Sort descending Deprecated Modifiers Object type Summary Overriden Title 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::options_form public function Provide the label widget that all fields should have. Overrides views_handler::options_form 4
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_handler_relationship_entity_reverse::init public function Let relationships live on tables other than the table they operate on. Overrides views_handler_relationship::init
views_handler_relationship_entity_reverse::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 public 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