function units_field_field_formatter_settings_form in Units of Measurement 7.2

Implements hook_field_formatter_settings_form().

File

units_field/units_field.module, line 226

Provide field type for storing measured values.

Code

function units_field_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
  $display = $instance['display'][$view_mode];
  $settings = $display['settings'];
  $element = array();
  switch ($display['type']) {
    case 'units_value_expression':
      $mathematical_expression = NULL;
      if (isset($settings['expression_postfix'])) {
        $mathematical_expression = units_mathematical_expression_create_from_postfix($settings['expression_postfix']);
      }
      $element['expression_postfix'] = array(
        '#type' => 'units_mathematical_expression',
        '#title' => t('Output as the following'),
        '#value_format' => 'postfix',
        '#default_value' => $mathematical_expression,
        '#description' => t('Specify here mathematical expression. All constant members of this mathematical expression will be replaced by real values from the field data. Leave empty to output in original format.'),
        '#allowed_dimension' => units_field_dimension($field),
      );
      break;
  }
  return $element;
}