function blockreference_field_settings in Block reference 6

Implementation of hook_field_settings().

File

./blockreference.module, line 111

Defines a field type for referencing a block from a node.

Code

function blockreference_field_settings($op, $field) {
  switch ($op) {
    case 'form':
      $form = array();
      $form['referenceable_regions'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Regions containing blocks that can be referenced'),
        '#multiple' => TRUE,
        '#default_value' => !empty($field['referenceable_regions']) ? $field['referenceable_regions'] : array(),
        '#options' => array(
          '' => '(Disabled)',
        ) + system_region_list(variable_get('theme_default', 'garland')),
        '#description' => t('If no regions are selected, blocks from all regions will be available.'),
      );
      $form['referenceable_modules'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Modules defining blocks that can be referenced'),
        '#multiple' => TRUE,
        '#default_value' => !empty($field['referenceable_modules']) ? $field['referenceable_modules'] : array(),
        '#options' => blockreference_get_block_modules(),
        '#description' => t('If no modules are selected, blocks from all modules will be available.'),
      );
      $form['referenceable_operator'] = array(
        '#type' => 'radios',
        '#title' => t('Operator to use if referenceable regions and referenceable modules are selected.'),
        '#default_value' => !empty($field['referenceable_operator']) ? $field['referenceable_operator'] : 'AND',
        '#options' => array(
          'AND' => '<strong>AND</strong> - ' . t('Block must be both contained in a referenceable region and defined by a referenceable module.'),
          'OR' => '<strong>OR</strong> - ' . t('Block must be either contained in a referenceable region or defined by a referenceable module.'),
        ),
        '#description' => t('If regions and modules are selected, choose operator to use when retrieving blocks list.'),
      );
      return $form;
    case 'save':
      $settings = array(
        'referenceable_regions',
        'referenceable_modules',
        'referenceable_operator',
      );
      return $settings;
    case 'database columns':
      $columns = array(
        'bid' => array(
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => FALSE,
        ),
      );
      return $columns;
    case 'views data':
      $data = content_views_field_views_data($field);
      $db_info = content_database_info($field);
      $table_alias = content_views_tablename($field);

      // Filter: swap the handler to the 'in' operator.
      $data[$table_alias][$field['field_name'] . '_bid']['filter']['handler'] = 'content_handler_filter_many_to_one';
      $data["node_{$table_alias}"]['table']['join']['node'] = array(
        'table' => 'node',
        'field' => 'vid',
        'left_table' => $table_alias,
        'left_field' => 'vid',
      );
      $data[$table_alias][$field['field_name'] . '_bid']['argument']['handler'] = 'content_handler_argument_reference';
      $data[$table_alias][$field['field_name'] . '_bid']['argument']['name table'] = "node_{$table_alias}";
      $data[$table_alias][$field['field_name'] . '_bid']['argument']['name field'] = 'title';

      // Relationship: add a relationship for related block.
      $data[$table_alias][$field['field_name'] . '_bid']['relationship'] = array(
        'base' => 'blocks',
        'field' => $db_info['columns']['bid']['column'],
        'handler' => 'content_handler_relationship',
        'label' => t($field['widget']['label']),
        'content_field_name' => $field['field_name'],
      );
      return $data;
  }
}