public function ModuleConfigForm::buildForm in Field Label 8

Form constructor.

Parameters

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

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

Return value

array The form structure.

Overrides ConfigFormBase::buildForm

File

src/Form/ModuleConfigForm.php, line 70

Class

ModuleConfigForm

Class ModuleConfigForm.

Namespace

Drupal\field_label\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $config = $this
    ->config(static::SETTINGS);

  // Field state helper.
  $depends_on = function ($name, $states) {
    $conditions = [];
    foreach ($states as $state) {
      $conditions[$state] = [
        ':input[name="' . $name . '"]' => [
          'checked' => TRUE,
        ],
      ];
    }
    return $conditions;
  };

  // Label value settings.
  $form['label_value'] = [
    '#type' => 'fieldset',
    '#title' => $this
      ->t('Label Values'),
  ];
  $form['label_value']['label_value_enabled'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Enable label value'),
    '#description' => $this
      ->t('Allow authorized users to change the field label text.'),
    '#default_value' => $config
      ->get('label_value_enabled'),
  ];

  // Label class settings.
  $form['label_class'] = [
    '#type' => 'fieldset',
    '#title' => $this
      ->t('Label Classes'),
  ];
  $form['label_class']['label_class_enabled'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Enable label classes field'),
    '#description' => $this
      ->t('Allow authorized users to add "free-form" list of CSS classes to the label tag.'),
    '#default_value' => $config
      ->get('label_class_enabled'),
  ];
  $form['label_class']['label_class_select_enabled'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Enable label class select list'),
    '#description' => $this
      ->t('Allow authorized users to select a CSS class from a list of configured classes.'),
    '#default_value' => $config
      ->get('label_class_select_enabled'),
  ];

  // Classs list container.
  $form['label_class']['container'] = [
    '#type' => 'container',
    '#states' => $depends_on('label_class_select_enabled', [
      'visible',
    ]),
  ];
  $form['label_class']['container']['class_list'] = [
    '#type' => 'textarea',
    '#title' => $this
      ->t('Class list'),
    '#description' => $this
      ->t('Enter one or more classes on each line in the format: <code>.classA.classB|Label</code>. <b>Example:</b><br><code>.title|Title<br>.title.title--large|Large title</code>'),
    '#default_value' => $config
      ->get('class_list'),
    '#states' => $depends_on('label_class_select_enabled', [
      'required',
    ]),
  ];

  // Label tag settings.
  $form['label_tag'] = [
    '#type' => 'fieldset',
    '#title' => $this
      ->t('Label Tags'),
  ];
  $form['label_tag']['label_tag_enabled'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Enable label tag selection'),
    '#description' => $this
      ->t('Allow authorized users to select a wrapper from a list of allowed HTML tags.'),
    '#default_value' => $config
      ->get('label_tag_enabled'),
  ];
  $form['label_tag']['container'] = [
    '#type' => 'container',
    '#states' => $depends_on('label_tag_enabled', [
      'visible',
    ]),
  ];
  $form['label_tag']['container']['allowed_tags'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Allowed label tags'),
    '#description' => $this
      ->t('A space-separated list of HTML tags that should appear in the "Label tag" setting dropdown.'),
    '#default_value' => implode(' ', array_filter($config
      ->get('allowed_tags'))),
    '#states' => $depends_on('label_tag_enabled', [
      'required',
    ]),
  ];
  $form['label_tag']['container']['instructions'] = [
    '#type' => 'html_tag',
    '#tag' => 'p',
    '#value' => $this
      ->t("<strong>IMPORTANT:</strong><br>If your theme provides/overrides field templates, you may need to modify them to use Field Label's <code><b>label_tag</b></code> twig variable. For example:<br><code>&lt;{{ <b>label_tag</b>|default('div') }}{{ title_attributes }}&gt;{{ label }}&lt;/{{ <b>label_tag</b>|default('div') }}&gt;</code>"),
  ];
  return parent::buildForm($form, $form_state);
}