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This issue is so old that I am assuming it is outdated.
Hello !
I am new in Drupal world and I'm trying to use the Drupal From API to create a contact form with Ajax validation.
I'm facing an issues:
Here is the form I created:
namespace Drupal\dalcom_contact\Form;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\HtmlCommand;
use Drupal\Core\Ajax\InvokeCommand;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
class DalcomContactForm extends FormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'dlcm_cform';
}
public function buildForm(array $form, FormStateInterface $form_state, $params = NULL) {
// Disable caching.
$form['#cache']['max-age'] = 0;
// Disable browser HTML5 validation.
$form['#attributes']['novalidate'] = 'novalidate';
// This will generate an anchor scroll to the form when submitting.
$form['#action'] = '#dlcm_cform';
$form['mail_visitor'] = [
'#type' => 'email',
'#placeholder' => t('E-mail*'),
'#description' => 'Your mail',
'#required' => TRUE,
'#ajax' => [
'callback' => 'Drupal\dalcom_contact\Form\DalcomContactForm::mailValidateCallback',
'effect' => 'fade',
'event' => 'change',
'progress' => [
'type' => 'throbber',
'message' => NULL,
],
],
];
$form['message_visitor'] = [
'#type' => 'textarea',
'#placeholder' => t('Message*'),
'#description' => 'Your message',
'#required' => TRUE,
'#ajax' => [
'callback' => 'Drupal\dalcom_contact\Form\DalcomContactForm::messValidateCallback',
'effect' => 'fade',
'event' => 'change',
'progress' => [
'type' => 'throbber',
'message' => NULL,
],
],
];
$form['accept_box'] = [
'#type' => 'checkbox',
'#title' => $this
->t('I accept the CME terms of use'),
'#required' => TRUE,
'#ajax' => [
'callback' => 'Drupal\dalcom_contact\Form\DalcomContactForm::acceptboxalidateCallback',
'effect' => 'fade',
'event' => 'change',
'progress' => [
'type' => 'throbber',
'message' => NULL,
],
],
];
$form['candidate_copy'] = [
'#type' => 'checkbox',
'#title' => t('Send me a copy of my message.'),
];
$form['actions']['#type'] = 'actions';
$form['actions']['submit'] = [
'#type' => 'button',
'#value' => $this->t('Send'),
'#ajax' => [
'event' => 'click',
'progress' => [
'type' => 'throbber',
'message' => 'Sending...',
],
],
];
$form['#theme'] = 'dalcom_contact_theme';
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
foreach ($form_state->getValues() as $key => $value) {
drupal_set_message($key . ': ' . $value);
}
}
public function mailValidateCallback(array &$form, FormStateInterface $form_state) {
$ajax_response = new AjaxResponse();
if (!$form_state->getValue('mail_visitor') || empty($form_state->getValue('mail_visitor'))) {
$text = 'No email registered';
$color = 'red';
}
elseif (!filter_var($form_state->getValue('mail_visitor'), FILTER_VALIDATE_EMAIL)) {
$text = 'Invalid email address';
$color = 'red';
}
else {
$text = 'Valid mail';
$color = 'green';
}
$ajax_response->addCommand(new HtmlCommand('#edit-mail-visitor--description', $text));
$ajax_response->addCommand(new InvokeCommand('#edit-mail-visitor--description', 'css', ['color', $color]));
return $ajax_response;
}
public function messValidateCallback(array &$form, FormStateInterface $form_state) {
$ajax_response = new AjaxResponse();
if (!$form_state->getValue('message_visitor') || empty($form_state->getValue('message_visitor'))) {
$text = 'No messages written';
$color = 'red';
}
elseif (strlen($form_state->getValue('message_visitor')) < 6) {
$text = 'At least 7 characters';
$color = 'red';
}
else {
$text = 'Messages written';
$color = 'green';
}
$ajax_response->addCommand(new HtmlCommand('#edit-message-visitor--description', $text));
$ajax_response->addCommand(new InvokeCommand('#edit-message-visitor--description', 'css', ['color', $color]));
return $ajax_response;
}
public function acceptboxValidateCallback(array &$form, FormStateInterface $form_state) {
$ajax_response = new AjaxResponse();
if (empty($form_state->getValue('accept-box'))) {
$text = 'You must accept our termes of use to continue';
$color = 'red';
}
$ajax_response->addCommand(new HtmlCommand('#edit-accept-box--description', $text));
$ajax_response->addCommand(new InvokeCommand('#edit-accept-box--description', 'css', ['color', $color]));
return $ajax_response;
}
}
It works very well. But Ajax validation only works when I am connected. When I am not logged in as an administrator, it does not work.
Here is the block to display the form in my footer.
namespace Drupal\dalcom_contact_block\Plugin\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormInterface;
/**
* Provides a 'dalcom contact' block.
*
* @Block(
* id = "dalcom_contact_block",
* admin_label = @Translation("Dalcom Contact Block"),
* category = @Translation("Block du formulaire Dalcom Contact")
* )
*/
class DalcomContactBlock extends BlockBase {
/**
* {@inheritdoc}
*/
public function build() {
$form = \Drupal::formBuilder()->getForm('\Drupal\dalcom_contact\Form\DalcomContactForm');
return $form;
}
}
Here is the module.routing.yml file
dalcom_contact.form:
path: '/contact-us.html'
defaults:
_title: 'Contact Us'
_form: 'Drupal\dalcom_contact\Form\DalcomContactForm'
requirements:
_permission: 'access content'
block.info.yml
name: Dalcom Contact Block
type: module
description: Block du formulaire Dalcom Contact.
core: 8.x
package: Custom
dependencies:
- node
- block
Does anyone have any idea what could cause this? Please help me.
Closed: outdated
9.5
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This issue is so old that I am assuming it is outdated.