function field_extractor_field_formatter_settings_form in Field Extractor 7

Implements hook_field_formatter_settings_form().

File

./field_extractor.module, line 41

Provides a formatter that displays a field from the referenced entities.

Code

function field_extractor_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
  $settings = field_extractor_settings($field, $instance);
  $display = $instance['display'][$view_mode];
  $extractor_settings = $display['settings'];

  // If the form was rebuilt via AJAX, use the values from the form state.
  if (!empty($form_state['values']['fields'][$field['field_name']]['settings_edit_form'])) {
    $defaults = array(
      'field_name' => '',
      'formatter' => '',
      'settings' => array(),
    );
    $extractor_settings = $form_state['values']['fields'][$field['field_name']]['settings_edit_form']['settings'] + $defaults;
  }

  // Build a list of available fields for all bundles available to the field.
  $fields = array();
  foreach (field_info_instances($settings['entity_type']) as $bundle => $instances) {
    if (in_array($bundle, $settings['bundles'])) {
      foreach ($instances as $field_name => $field_instance) {
        $fields[$field_name] = $field_name;
      }
    }
  }

  // If no field has been selected yet, or the current one is no longer
  // available, default to the first one.
  if (empty($extractor_settings['field_name']) || !isset($fields[$extractor_settings['field_name']])) {
    $field_names = array_keys($fields);
    $extractor_settings['field_name'] = reset($field_names);
  }

  // Determine if the formatter settings are being embedded inside Views.
  // That is not supported.
  if ($instance['entity_type'] == 'ctools' && $instance['bundle'] == 'ctools') {
    return array(
      '#markup' => t("This formatter can't be used inside Views. Use the provided Views field instead."),
    );
  }
  $id = 'field-extractor-' . $instance['entity_type'] . '-' . $field['field_name'];
  $element = array();
  $element['#prefix'] = '<div id="' . $id . '">';
  $element['#suffix'] = '</div>';
  $element['field_name'] = array(
    '#type' => 'select',
    '#title' => t('Field'),
    '#options' => $fields,
    '#default_value' => $extractor_settings['field_name'],
    '#ajax' => array(
      'wrapper' => $id,
      'callback' => 'field_extractor_ajax',
    ),
    // Data for the #ajax callback.
    '#reference_field' => $field['field_name'],
  );
  $selected_field = field_info_field($extractor_settings['field_name']);
  $formatters = _field_extractor_formatters($selected_field['type']);

  // No recursion.
  unset($formatters['field_extractor']);

  // If no formatter has been selected yet, or doesn't fit the current field,
  // default to the first one.
  if (empty($extractor_settings['formatter']) || !isset($formatters[$extractor_settings['formatter']])) {
    $formatter_names = array_keys($formatters);
    $extractor_settings['formatter'] = reset($formatter_names);
  }
  $element['formatter'] = array(
    '#type' => 'select',
    '#title' => t('Formatter'),
    '#options' => $formatters,
    '#default_value' => $extractor_settings['formatter'],
    '#ajax' => array(
      'wrapper' => $id,
      'callback' => 'field_extractor_ajax',
    ),
    // Data for the #ajax callback.
    '#reference_field' => $field['field_name'],
  );
  $formatter = field_info_formatter_types($extractor_settings['formatter']);
  $formatter_settings = $extractor_settings['settings'] + field_info_formatter_settings($extractor_settings['formatter']);

  // Provide an instance array for hook_field_formatter_settings_form().
  ctools_include('fields');
  $instance = ctools_fields_fake_field_instance($extractor_settings['field_name'], '_dummy', $formatter, $formatter_settings);

  // Store the settings in a '_dummy' view mode.
  $instance['display']['_dummy'] = array(
    'type' => $extractor_settings['formatter'],
    'settings' => $formatter_settings,
  );

  // Get the settings form.
  $settings_form = array(
    '#value' => array(),
  );
  $function = $formatter['module'] . '_field_formatter_settings_form';
  if (function_exists($function)) {
    $settings_form = $function($selected_field, $instance, '_dummy', $element, $form_state);
  }
  $element['settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Formatter settings'),
  ) + $settings_form;
  return $element;
}