--- /dev/null
+<?php
+
+namespace Drupal\environment_indicator_ui\Form;
+
+use Drupal\Core\Form\FormInterface;
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+class EnvironmentIndicatorUISettingsForm extends ConfigFormBase implements FormInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormID() {
+ return 'environment_indicator_ui_settings_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $config = $this->config('environment_indicator.indicator');
+ $form = parent::buildForm($form, $form_state);
+ $form['name'] = [
+ '#type' => 'textfield',
+ '#title' => $this->t('Environment Name'),
+ '#description' => $this->t('Enter a name for this environment to be displayed in the admin toolbar.'),
+ '#default_value' => $config->get('name'),
+ ];
+ $form['fg_color'] = [
+ '#type' => 'color',
+ '#title' => $this->t('Foreground Color'),
+ '#description' => $this->t('Foreground color for the admin toolbar. Ex: #0D0D0D.'),
+ '#default_value' => $config->get('fg_color'),
+ ];
+ $form['bg_color'] = [
+ '#type' => 'color',
+ '#title' => $this->t('Background Color'),
+ '#description' => $this->t('Background color for the admin toolbar. Example: #4298f4.'),
+ '#default_value' => $config->get('bg_color'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getEditableConfigNames() {
+ return ['environment_indicator.indicator'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validateForm(array &$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, $this->t('Please enter a valid hex value.'));
+ }
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $config = $this->config('environment_indicator.indicator');
+ $properties = ['name', 'fg_color', 'bg_color'];
+ array_walk($properties, function ($property) use ($config, $form_state) {
+ $config->set($property, $form_state->getValue($property));
+ });
+ $config->save();
+ parent::submitForm($form, $form_state);
+ }
+
+}