public function views_handler_field_field::groupby_form in Views (for Drupal 7) 7.3

Extend the groupby form with group columns.

Overrides views_handler::groupby_form

File

modules/field/views_handler_field_field.inc, line 612

Definition of views_handler_field_field.

Class

views_handler_field_field

A field that displays fieldapi fields.

Code

public function groupby_form(&$form, &$form_state) {
  parent::groupby_form($form, $form_state);

  // With "field API" fields, the column target of the grouping function
  // and any additional grouping columns must be specified.
  $group_columns = array(
    'entity_id' => t('Entity ID'),
  ) + drupal_map_assoc(array_keys($this->field_info['columns']), 'ucfirst');
  $form['group_column'] = array(
    '#type' => 'select',
    '#title' => t('Group column'),
    '#default_value' => $this->options['group_column'],
    '#description' => t('Select the column of this field to apply the grouping function selected above.'),
    '#options' => $group_columns,
  );
  $options = drupal_map_assoc(array(
    'bundle',
    'language',
    'entity_type',
  ), 'ucfirst');

  // Add on defined fields, noting that they're prefixed with the field name.
  $form['group_columns'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Group columns (additional)'),
    '#default_value' => $this->options['group_columns'],
    '#description' => t('Select any additional columns of this field to include in the query and to group on.'),
    '#options' => $options + $group_columns,
  );
}