Version 1
[yaffs-website] / web / core / lib / Drupal / Core / Render / Element / Textfield.php
diff --git a/web/core/lib/Drupal/Core/Render/Element/Textfield.php b/web/core/lib/Drupal/Core/Render/Element/Textfield.php
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+<?php
+
+namespace Drupal\Core\Render\Element;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Render\Element;
+
+/**
+ * Provides a one-line text field form element.
+ *
+ * Properties:
+ * - #maxlength: Maximum number of characters of input allowed.
+ * - #size: The size of the input element in characters.
+ * - #autocomplete_route_name: A route to be used as callback URL by the
+ *   autocomplete JavaScript library.
+ * - #autocomplete_route_parameters: An array of parameters to be used in
+ *   conjunction with the route name.
+ *
+ * Usage example:
+ * @code
+ * $form['title'] = array(
+ *   '#type' => 'textfield',
+ *   '#title' => $this->t('Subject'),
+ *   '#default_value' => $node->title,
+ *   '#size' => 60,
+ *   '#maxlength' => 128,
+ * '#required' => TRUE,
+ * );
+ * @endcode
+ *
+ * @see \Drupal\Core\Render\Element\Color
+ * @see \Drupal\Core\Render\Element\Email
+ * @see \Drupal\Core\Render\Element\MachineName
+ * @see \Drupal\Core\Render\Element\Number
+ * @see \Drupal\Core\Render\Element\Password
+ * @see \Drupal\Core\Render\Element\PasswordConfirm
+ * @see \Drupal\Core\Render\Element\Range
+ * @see \Drupal\Core\Render\Element\Tel
+ * @see \Drupal\Core\Render\Element\Url
+ *
+ * @FormElement("textfield")
+ */
+class Textfield extends FormElement {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getInfo() {
+    $class = get_class($this);
+    return [
+      '#input' => TRUE,
+      '#size' => 60,
+      '#maxlength' => 128,
+      '#autocomplete_route_name' => FALSE,
+      '#process' => [
+        [$class, 'processAutocomplete'],
+        [$class, 'processAjaxForm'],
+        [$class, 'processPattern'],
+        [$class, 'processGroup'],
+      ],
+      '#pre_render' => [
+        [$class, 'preRenderTextfield'],
+        [$class, 'preRenderGroup'],
+      ],
+      '#theme' => 'input__textfield',
+      '#theme_wrappers' => ['form_element'],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
+    if ($input !== FALSE && $input !== NULL) {
+      // This should be a string, but allow other scalars since they might be
+      // valid input in programmatic form submissions.
+      if (!is_scalar($input)) {
+        $input = '';
+      }
+      return str_replace(["\r", "\n"], '', $input);
+    }
+    return NULL;
+  }
+
+  /**
+   * Prepares a #type 'textfield' render element for input.html.twig.
+   *
+   * @param array $element
+   *   An associative array containing the properties of the element.
+   *   Properties used: #title, #value, #description, #size, #maxlength,
+   *   #placeholder, #required, #attributes.
+   *
+   * @return array
+   *   The $element with prepared variables ready for input.html.twig.
+   */
+  public static function preRenderTextfield($element) {
+    $element['#attributes']['type'] = 'text';
+    Element::setAttributes($element, ['id', 'name', 'value', 'size', 'maxlength', 'placeholder']);
+    static::setAttributes($element, ['form-text']);
+
+    return $element;
+  }
+
+}