public function ThemeSwitcherRuleForm::form in Theme Switcher Rules 8

Gets the actual form array to be built.

Overrides EntityForm::form

See also

\Drupal\Core\Entity\EntityForm::processForm()

\Drupal\Core\Entity\EntityForm::afterBuild()

File

src/Form/ThemeSwitcherRuleForm.php, line 105

Class

ThemeSwitcherRuleForm

Form handler for the ThemeSwitcherRule add and edit forms.

Namespace

Drupal\theme_switcher\Form

Code

public function form(array $form, FormStateInterface $form_state) {
  $available_contexts = $this->contextRepository
    ->getAvailableContexts();
  $form_state
    ->setTemporaryValue('gathered_contexts', $available_contexts);

  /** @var \Drupal\theme_switcher\Entity\ThemeSwitcherRule $entity */
  $entity = $this->entity;
  $form['#tree'] = TRUE;
  $form['label'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Theme Switcher Rule'),
    '#maxlength' => 255,
    '#default_value' => $entity
      ->label(),
    '#description' => $this
      ->t('The human-readable name is shown in the Theme Switcher list.'),
    '#required' => TRUE,
  ];
  $form['id'] = [
    '#type' => 'machine_name',
    '#default_value' => $entity
      ->id(),
    '#machine_name' => [
      'source' => [
        'label',
      ],
      'exists' => [
        $this,
        'exist',
      ],
    ],
    '#disabled' => !$entity
      ->isNew(),
  ];
  $form['status'] = [
    '#type' => 'radios',
    '#title' => $this
      ->t('Theme Switcher Rule status'),
    '#options' => [
      1 => $this
        ->t('Active'),
      0 => $this
        ->t('Inactive'),
    ],
    '#default_value' => (int) $entity
      ->status(),
    '#description' => $this
      ->t('The Theme Switcher Rule will only work if the active option is set.'),
  ];
  $form['weight'] = [
    '#type' => 'weight',
    '#title' => $this
      ->t('Weight'),
    '#access' => FALSE,
    '#default_value' => $entity
      ->getWeight(),
    '#description' => $this
      ->t('The sort order for this record. Lower values display first.'),
  ];
  $form['theme'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Theme'),
    '#description' => $this
      ->t('The theme to apply in all pages that meet the conditions below.'),
    '#options' => $this
      ->getThemeOptions(),
    '#default_value' => $entity
      ->getTheme() ?? '',
    '#required' => TRUE,
  ];
  $form['admin_theme'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Admin Theme'),
    '#description' => $this
      ->t('The theme to apply in just the admin pages that meet the conditions below.'),
    '#options' => $this
      ->getThemeOptions(),
    '#default_value' => $entity
      ->getAdminTheme() ?? '',
  ];

  // Build the visibility UI form and follow this
  // https://www.drupal.org/node/2284687
  $form['visibility'] = [
    'visibility_tabs' => [
      '#type' => 'vertical_tabs',
      '#title' => $this
        ->t('Conditions'),
      '#parents' => [
        'visibility_tabs',
      ],
    ],
  ];
  $visibility = $entity
    ->getVisibility();
  $definitions = $this->conditionPluginManager
    ->getFilteredDefinitions('theme_switcher_ui', $form_state
    ->getTemporaryValue('gathered_contexts'), [
    'theme_switcher_rule' => $entity,
  ]);

  // Allows modules to alter the number the conditions.
  $this->moduleHandler
    ->alter('available_conditions', $definitions);
  foreach ($definitions as $condition_id => $definition) {

    /** @var \Drupal\Core\Condition\ConditionInterface $condition */
    $condition = $this->conditionPluginManager
      ->createInstance($condition_id, $visibility[$condition_id] ?? []);
    $form_state
      ->set([
      'conditions',
      $condition_id,
    ], $condition);
    $condition_form = $condition
      ->buildConfigurationForm([], $form_state);
    $form['visibility'][$condition_id] = [
      '#type' => 'details',
      '#title' => $condition
        ->getPluginDefinition()['label'],
      '#group' => 'visibility_tabs',
    ] + $condition_form;
  }
  return $form;
}