Issue #3156614 by gausarts, inst: add icon to field label

Linkicon 8.x-1.0-dev, 2021-12-24

--------------------------------

- Issue #3156614 by gausarts, inst: add icon to field label.

Linkicon 8.x-1.0-dev, 2021-12-19

--------------------------------

- Added Drupal ^10.

    linkicon_icon_class:

      type: string

      label: 'Additional icon classes'

    linkicon_label_class:

      type: string

      label: 'Additional label classes'

    linkicon_load:

      type: boolean

      label: 'Allow linkicon to provide CSS assets'

  }

}

/**

 * Implements hook_preprocess_field().

 */

function linkicon_preprocess_field(array &$variables) {

  $element = $variables['element'];

  if (!$variables['label_hidden'] && isset($variables['title_attributes'])) {

    $config = isset($element[0], $element[0]['#config']) ? $element[0]['#config'] : [];

    if (!empty($config['label_class'])) {

      $variables['title_attributes']['class'][] = trim($config['label_class']);

    }

  }

}

/**

 * Implements hook_field_widget_WIDGET_TYPE_form_alter().

 */

namespace Drupal\linkicon\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;

use Drupal\Core\Path\PathValidatorInterface;

use Drupal\Core\Field\FieldDefinitionInterface;

use Drupal\Core\Render\RendererInterface;

use Drupal\Component\Utility\Html;

use Drupal\Component\Utility\Unicode;

use Drupal\link\Plugin\Field\FieldFormatter\LinkFormatter;

   * {@inheritdoc}

   */

  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {

    return new static(

      $plugin_id,

      $plugin_definition,

      $configuration['field_definition'],

      $configuration['settings'],

      $configuration['label'],

      $configuration['view_mode'],

      $configuration['third_party_settings'],

      $container->get('path.validator'),

      $container->get('renderer'),

      $container->get('linkicon.manager')

    );

  }

  /**

   * {@inheritdoc}

   */

  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, PathValidatorInterface $path_validator, RendererInterface $renderer, LinkIconManagerInterface $linkicon_manager) {

    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $path_validator);

    $this->renderer        = $renderer;

    $this->linkIconManager = $linkicon_manager;

    $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);

    $instance->renderer = $container->get('renderer');

    $instance->linkIconManager = $container->get('linkicon.manager');

    return $instance;

  }

  /**

      $element = array_merge($info, $element);

    }

    return $element;

    return empty($config['label_class']) ? $element : [$element];

  }

}

      'target'                 => '',

      'linkicon_prefix'        => 'icon',

      'linkicon_icon_class'    => '',

      'linkicon_label_class'   => '',

      'linkicon_wrapper_class' => '',

      'linkicon_load'          => FALSE,

      'linkicon_vertical'      => FALSE,

      '#description' => $this->t('Additional icon class for the actual icon apart from <strong>linkicon__icon icon</strong> separated by spaces, e.g: fab fas far.'),

    ];

    $elements['linkicon_label_class'] = [

      '#type'        => 'textfield',

      '#title'       => $this->t('Label classes'),

      '#description' => $this->t('Additional icon class for the field label apart from Drupal <strong>field__label</strong> separated by spaces, e.g: <code>fa far fa-BLAH or icon icon-BLAH</code> depending on vendors. If using Layout Builder, be sure to disable <b>Display title</b> to avoid duplicated labels.'),

    ];

    $elements['linkicon_link'] = [

      '#type'        => 'checkbox',

      '#title'       => $this->t('Add the classes to the A tag.'),