diff --git a/entityreference.info b/entityreference.info index 561d74a..dc35475 100644 --- a/entityreference.info +++ b/entityreference.info @@ -13,6 +13,7 @@ files[] = plugins/selection/abstract.inc files[] = plugins/selection/views.inc files[] = plugins/behavior/abstract.inc +files[] = views/entityreference_handler_relationship.inc files[] = views/entityreference_plugin_display.inc files[] = views/entityreference_plugin_style.inc files[] = views/entityreference_plugin_row_fields.inc diff --git a/views/entityreference.views.inc b/views/entityreference.views.inc index df38395..8b254ca 100644 --- a/views/entityreference.views.inc +++ b/views/entityreference.views.inc @@ -21,9 +21,11 @@ function entityreference_field_views_data($field) { $field_name = $field['field_name'] . '_target_id'; $parameters = array('@entity' => $entity, '!field_name' => $field['field_name']); $data[$table_name][$field_name]['relationship'] = array( - 'handler' => 'views_handler_relationship', + 'handler' => 'entityreference_handler_relationship', 'base' => $entity_info['base table'], 'base field' => $entity_info['entity keys']['id'], + 'field' => $field_name, + 'field_name' => $field['field_name'], 'label' => t('@entity entity referenced from !field_name', $parameters), 'group' => t('Entity Reference'), 'title' => t('Referenced Entity'), diff --git a/views/entityreference_handler_relationship.inc b/views/entityreference_handler_relationship.inc new file mode 100644 index 0000000..d1062b9 --- /dev/null +++ b/views/entityreference_handler_relationship.inc @@ -0,0 +1,59 @@ + -1); + + return $options; + } + + /** + * Add a delta selector for multiple fields. + */ + function options_form(&$form, &$form_state) { + parent::options_form($form, $form_state); + + $field = field_info_field($this->definition['field_name']); + + // Only add the delta selector if the field is multiple. + if ($field['cardinality']) { + $max_delta = ($field['cardinality'] == FIELD_CARDINALITY_UNLIMITED) ? 10 : $field['cardinality']; + + $options = array('-1' => t('All')); + for ($i = 0; $i < $max_delta; $i++) { + $options[$i] = $i + 1; + } + $form['delta'] = array( + '#type' => 'select', + '#options' => $options, + '#default_value' => $this->options['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() { + $field = field_info_field($this->definition['field_name']); + + if (!isset($this->table_alias)) { + $join = $this->get_join(); + if ($this->options['delta'] != -1 && $field['cardinality']) { + $join->extra[] = array( + 'field' => 'delta', + 'value' => $this->options['delta'], + 'numeric' => TRUE, + ); + } + $this->table_alias = $this->query->add_table($this->table, $this->relationship, $join); + } + return $this->table_alias; + } +}