draft of materio_sapi autocomplete

web/modules/custom/materio_sapi/src/Form/MaterioSapiSearchForm.php

@@ -24,14 +24,18 @@ class MaterioSapiSearchForm extends FormBase {
   public function buildForm(array $form, FormStateInterface $form_state) {
     $form['search'] = [
       '#type' => 'textfield',
-      '#title' => $this->t('Search'),
+      // '#title' => $this->t('Search'),
       '#maxlength' => 64,
-      '#size' => 64,
+      '#size' => 25,
       '#weight' => '0',
+      '#attributes' => [
+        "placeholder" => $this->t('Search'),
+      ],
+      '#autocomplete_route_name' => 'materio_sapi.search_autocomplete',
     ];
     $form['submit'] = [
       '#type' => 'submit',
-      '#value' => $this->t('Submit'),
+      '#value' => $this->t('Search'),
     ];
 
     return $form;