| Server IP : 134.29.175.74 / Your IP : 216.73.216.160 Web Server : nginx/1.10.2 System : Windows NT CST-WEBSERVER 10.0 build 19045 (Windows 10) i586 User : Administrator ( 0) PHP Version : 7.1.0 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : C:/nginx/html/Student/JimMartinson/Lab12/drupal/core/lib/Drupal/Core/Render/Element/ |
Upload File : |
<?php
namespace Drupal\Core\Render\Element;
use Drupal\Core\Form\FormStateInterface;
/**
* Provides a matched path render element.
*
* Provides a form element to enter a path which can be optionally validated and
* stored as either a \Drupal\Core\Url value object or a array containing a
* route name and route parameters pair.
*
* @FormElement("path")
*/
class PathElement extends Textfield {
/**
* Do not convert the submitted value from the user-supplied path.
*/
const CONVERT_NONE = 0;
/**
* Convert the submitted value into a route name and parameter pair.
*/
const CONVERT_ROUTE = 1;
/**
* Convert the submitted value into a \Drupal\Core\Url value object.
*/
const CONVERT_URL = 2;
/**
* {@inheritdoc}
*/
public function getInfo() {
$info = parent::getInfo();
$class = get_class($this);
$info['#validate_path'] = TRUE;
$info['#convert_path'] = self::CONVERT_ROUTE;
$info['#element_validate'] = [
[$class, 'validateMatchedPath'],
];
return $info;
}
/**
* {@inheritdoc}
*/
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
return NULL;
}
/**
* Form element validation handler for matched_path elements.
*
* Note that #maxlength is validated by _form_validate() already.
*
* This checks that the submitted value matches an active route.
*/
public static function validateMatchedPath(&$element, FormStateInterface $form_state, &$complete_form) {
if (!empty($element['#value']) && ($element['#validate_path'] || $element['#convert_path'] != self::CONVERT_NONE)) {
/** @var \Drupal\Core\Url $url */
if ($url = \Drupal::service('path.validator')->getUrlIfValid($element['#value'])) {
if ($url->isExternal()) {
$form_state->setError($element, t('You cannot use an external URL, please enter a relative path.'));
return;
}
if ($element['#convert_path'] == self::CONVERT_NONE) {
// Url is valid, no conversion required.
return;
}
// We do the value conversion here whilst the Url object is in scope
// after validation has occurred.
if ($element['#convert_path'] == self::CONVERT_ROUTE) {
$form_state->setValueForElement($element, [
'route_name' => $url->getRouteName(),
'route_parameters' => $url->getRouteParameters(),
]);
return;
}
elseif ($element['#convert_path'] == self::CONVERT_URL) {
$form_state->setValueForElement($element, $url);
return;
}
}
$form_state->setError($element, t('This path does not exist or you do not have permission to link to %path.', [
'%path' => $element['#value'],
]));
}
}
}