function units_field_field_formatter_view in Units of Measurement 7.2

Implements hook_field_formatter_view().

File

units_field/units_field.module, line 274

Provide field type for storing measured values.

Code

function units_field_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
  $element = array();
  switch ($display['type']) {
    case 'units_value_expression':
      foreach ($items as $delta => $item) {
        $output_mathematical_expression = units_field_display_mathematical_expression($display);
        if (is_object($output_mathematical_expression)) {
          $output_mathematical_expression = $output_mathematical_expression
            ->getExpression();
          units_mathematical_expression_format_as($item['expression']
            ->getExpression(), $output_mathematical_expression);
        }
        else {

          // Since no output format was given, we output it in original
          // mathematical expression.
          $output_mathematical_expression = $item['expression']
            ->getExpression();
        }
        $element[$delta] = array(
          '#markup' => check_plain($output_mathematical_expression
            ->toInfix()),
        );
      }
      break;
  }
  return $element;
}