function hook_field_formatter_settings_summary in Drupal 7

Return a short summary for the current formatter settings of an instance.

If an empty result is returned, the formatter is assumed to have no configurable settings, and no UI will be provided to display a settings form.

Parameters

$field: The field structure.

$instance: The instance structure.

$view_mode: The view mode for which a settings summary is requested.

Return value

A string containing a short summary of the formatter settings.

Related topics

4 functions implement hook_field_formatter_settings_summary()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

field_test_field_formatter_settings_summary in modules/field/tests/field_test.field.inc

Implements hook_field_formatter_settings_summary().

image_field_formatter_settings_summary in modules/image/image.field.inc

Implements hook_field_formatter_settings_summary().

number_field_formatter_settings_summary in modules/field/modules/number/number.module

Implements hook_field_formatter_settings_summary().

text_field_formatter_settings_summary in modules/field/modules/text/text.module

Implements hook_field_formatter_settings_summary().

1 invocation of hook_field_formatter_settings_summary()

field_ui_display_overview_form in modules/field_ui/field_ui.admin.inc

Form constructor for the field display settings for a given view mode.

File

modules/field_ui/field_ui.api.php, line 192

Hooks provided by the Field UI module.

Code

function hook_field_formatter_settings_summary($field, $instance, $view_mode) {
  $display = $instance['display'][$view_mode];
  $settings = $display['settings'];
  $summary = '';
  if ($display['type'] == 'text_trimmed' || $display['type'] == 'text_summary_or_trimmed') {
    $summary = t('Length: @chars chars', array(
      '@chars' => $settings['trim_length'],
    ));
  }
  return $summary;
}