function calendar_validate_hex_color in Calendar 7.3

Same name and namespace in other branches

1. 5.2 calendar.module \calendar_validate_hex_color()
2. 6.2 calendar.module \calendar_validate_hex_color()
3. 7 calendar.module \calendar_validate_hex_color()
4. 7.2 calendar.module \calendar_validate_hex_color()

Check to make sure the user has entered a valid 6 digit hex color.

1 string reference to 'calendar_validate_hex_color'

calendar_plugin_row::options_form in includes/calendar_plugin_row.inc

Provide a form for setting options.

File

./calendar.module, line 544

Adds calendar filtering and displays to Views.

Code

function calendar_validate_hex_color($element, &$form_state) {
  if (!$element['#required'] && empty($element['#value'])) {
    return;
  }
  if (!preg_match('/^#(?:(?:[a-f\\d]{3}){1,2})$/i', $element['#value'])) {
    form_error($element, t("'@color' is not a valid hex color", array(
      '@color' => $element['#value'],
    )));
  }
  else {
    form_set_value($element, $element['#value'], $form_state);
  }
}