ouatterrir-api/src/web/modules/custom/ouatt_admin/ouatt_admin.module

<?php

/**
 * @file
 * Contains admin_menus.module.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Field\FieldFilteredMarkup;

/**
 * Implements hook_help().
 */
function ouatt_admin_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the editors_menus module.
    case 'help.page.ouatt_admin':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Où Atterrir admin twicks module') . '</p>';
      return $output;

    default:
  }
}


/**
 * Implements hook_form_FORM_ID_alter().
 */
// function ouatt_admin_form_alter(&$form, $form_state, $form_id) {
  
// }
function ouatt_admin_form_node_concernement_edit_form_alter(&$form, $form_state, $form_id) {
  $concernement_node = $form_state->getFormObject()->getEntity();
  // concernement title
  $concernement_title = $concernement_node->getTitle();
  $form_state->setTemporaryValue("concernement_title", $concernement_title);
  // menace/maintien
  $field_entite_widget = $form['field_entite']['widget'];
  $i = 0;
  while (isset($field_entite_widget[$i]) && $item = $field_entite_widget[$i]) {
    $ief_id = $item['subform']['field_entite']['widget']['#ief_id'];
    $mm = $item['subform']['field_menace_maintien_degres']['widget'][0]['value']['#default_value'];
    $form_state->setTemporaryValue($ief_id . "_mm", $mm);
    $i++;
  }
  // actuel/future

}


/**
 * Perform alterations before an entity form is included in the IEF widget.
 *
 * @param array $entity_form
 *   Nested array of form elements that comprise the entity form.
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 *   The form state of the parent form.
 */
function ouatt_admin_inline_entity_form_entity_form_alter(&$entity_form, &$form_state) {
  // concernement title
  $concernement_title = $form_state->getTemporaryValue("concernement_title");
  
  // menace maintient
  $ief_id = $entity_form['#ief_id'];
  $mm = $form_state->getTemporaryValue($ief_id . "_mm");

  // field menace / maintient
  $mm_string = "menace / maintient";
  if ($mm > 0) {
    $mm_string = "maintient";
  } else if ($mm < 0) {
    $mm_string = "menace";
  }
  $entity_form['field_menace_maintien']['widget']['#description'] = FieldFilteredMarkup::create("Pouvez-vous décrire en quoi l'action $mm_string \"$concernement_title\" ?");
  $entity_form['field_menace_maintien']['widget'][0]['#description'] = FieldFilteredMarkup::create("Pouvez-vous décrire en quoi l'action $mm_string \"$concernement_title\" ?");
  $entity_form['field_menace_maintien']['widget'][0]['value']['#description'] = FieldFilteredMarkup::create("Pouvez-vous décrire en quoi l'action $mm_string \"$concernement_title\" ?");
  

  // field SOURCES 
  // Comment avez-vous eu connaissance de cette menace / ce maintient ?
  $mm_string = "cette menace / ce maintient";
  if ($mm > 0) {
    $mm_string = "ce maintient";
  } else if ($mm < 0) {
    $mm_string = "cette menace";
  }

  $entity_form['field_sources']['widget']['#description'] = FieldFilteredMarkup::create("Comment avez-vous eu connaissance de $mm_string ?");
}


/**
 * Perform alterations before the reference form is included in the IEF widget.
 *
 * The reference form is used to add existing entities through an autocomplete
 * field.
 *
 * @param array $reference_form
 *   Nested array of form elements that comprise the reference form.
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 *   The form state of the parent form.
 */
// function ouatt_admin_inline_entity_form_reference_form_alter(&$reference_form, &$form_state) {
//   $t="t";
// }

/**
 * Alter the fields used to represent an entity in the IEF table.
 *
 * @param array $fields
 *   The fields, keyed by field name.
 * @param array $context
 *   An array with the following keys:
 *   - parent_entity_type: The type of the parent entity.
 *   - parent_bundle: The bundle of the parent entity.
 *   - field_name: The name of the reference field on which IEF is operating.
 *   - entity_type: The type of the referenced entities.
 *   - allowed_bundles: Bundles allowed on the reference field.
 *
 * @see \Drupal\inline_entity_form\InlineFormInterface::getTableFields()
 */
// function ouatt_admin_inline_entity_form_table_fields_alter($fields, $context) {
//   $t="t";
// }

/**
 * Provide post-processing of auto generated titles (labels).
 *
 * @param string $label
 *   The auto-generated label to be altered.
 * @param object $entity
 *   The entity that the label is from.
 *
 * @see \Drupal\auto_entitylabel\AutoEntityLabelManager::generateLabel()
 */
function ouatt_admin_auto_entitylabel_label_alter(&$label, $entity) {
  if (strlen($label) > 50) {
    // if ($html) {
    //     // Grabs the original and escapes any quotes
    //     $original = str_replace('"', '\"', $label);
    // }

    // Truncates the string
    $label = substr(strip_tags($label), 0, 50);

    $label .= '...';
  }
}