public function EnvironmentIndicatorUISettingsForm::validateForm in Environment Indicator 8.3

Same name and namespace in other branches

1. 4.x modules/environment_indicator_ui/src/Form/EnvironmentIndicatorUISettingsForm.php \Drupal\environment_indicator_ui\Form\EnvironmentIndicatorUISettingsForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

modules/environment_indicator_ui/src/Form/EnvironmentIndicatorUISettingsForm.php, line 59

Class

EnvironmentIndicatorUISettingsForm

Configuration form for Environment Indicator.

Namespace

Drupal\environment_indicator_ui\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $colors = [
    'fg_color' => $form_state
      ->getValue('fg_color'),
    'bg_color' => $form_state
      ->getValue('bg_color'),
  ];
  foreach ($colors as $property_name => $color) {
    if (!preg_match('/^#[a-f0-9]{6}$/i', $color)) {
      $form_state
        ->setErrorByName($property_name, $this
        ->t('Please enter a valid hex value.'));
    }
  }
}