function _fraction_decimal_widget_validate in Fraction 7

Validation function for the fraction_decimal widget to convert the decimal to a fraction.

1 string reference to '_fraction_decimal_widget_validate'

fraction_field_widget_form in ./fraction.field.inc

Implements hook_field_widget_form().

File

./fraction.field.inc, line 281

Fraction Field API functions

Code

function _fraction_decimal_widget_validate($element, &$form_state) {

  // Search through the form values to find the current field value.
  $parents = $element['#parents'];
  $values = drupal_array_get_nested_value($form_state['values'], $parents);

  // If the decimal is not an empty string, convert the value to a fraction.
  if (trim($values['decimal']) !== "") {
    $fraction = fraction_from_decimal($values['decimal']);
    $values['numerator'] = $fraction
      ->getNumerator();
    $values['denominator'] = $fraction
      ->getDenominator();
  }

  // Set the numerator and denominator values for the form.
  form_set_value($element, $values, $form_state);
}