<?php
namespace MailPoet\Form;
if (!defined('ABSPATH')) exit;
use MailPoet\API\JSON\API;
use MailPoet\Config\Renderer as ConfigRenderer;
use MailPoet\DI\ContainerWrapper;
use MailPoet\Entities\FormEntity;
use MailPoet\Form\Renderer as FormRenderer;
use MailPoet\Models\Form;
use MailPoet\Settings\SettingsController;
use MailPoet\Util\Security;
use MailPoet\WP\Functions as WPFunctions;
class Widget extends \WP_Widget {
private $renderer;
private $wp;
/** @var AssetsController */
private $assetsController;
/** @var FormRenderer */
private $formRenderer;
public function __construct() {
parent::__construct(
'mailpoet_form',
WPFunctions::get()->__('MailPoet 3 Form', 'mailpoet'),
['description' => WPFunctions::get()->__('Add a newsletter subscription form', 'mailpoet')]
);
$this->wp = new WPFunctions;
$this->renderer = new \MailPoet\Config\Renderer(!WP_DEBUG, !WP_DEBUG);
$this->assetsController = new AssetsController($this->wp, $this->renderer, SettingsController::getInstance());
$this->formRenderer = ContainerWrapper::getInstance()->get(FormRenderer::class);
if (!is_admin()) {
$this->setupIframe();
} else {
WPFunctions::get()->addAction('widgets_admin_page', [
$this->assetsController,
'setupAdminWidgetPageDependencies',
]);
}
}
public function setupIframe() {
$formId = (isset($_GET['mailpoet_form_iframe']) ? (int)$_GET['mailpoet_form_iframe'] : 0);
if (!$formId || !Form::findOne($formId)) return;
$formHtml = $this->widget(
[
'form' => $formId,
'form_type' => 'iframe',
]
);
$scripts = $this->assetsController->printScripts();
// language attributes
$languageAttributes = [];
$isRtl = (bool)(function_exists('is_rtl') && WPFunctions::get()->isRtl());
if ($isRtl) {
$languageAttributes[] = 'dir="rtl"';
}
if (get_option('html_type') === 'text/html') {
$languageAttributes[] = sprintf('lang="%s"', WPFunctions::get()->getBloginfo('language'));
}
$languageAttributes = WPFunctions::get()->applyFilters(
'language_attributes', implode(' ', $languageAttributes)
);
$data = [
'language_attributes' => $languageAttributes,
'scripts' => $scripts,
'form' => $formHtml,
'mailpoet_form' => [
'ajax_url' => WPFunctions::get()->adminUrl('admin-ajax.php', 'absolute'),
'is_rtl' => $isRtl,
],
];
try {
echo $this->renderer->render('form/iframe.html', $data);
} catch (\Exception $e) {
echo $e->getMessage();
}
exit();
}
/**
* Save the new widget's title.
*/
public function update($newInstance, $oldInstance) {
$instance = $oldInstance;
$instance['title'] = strip_tags($newInstance['title']);
$instance['form'] = (int)$newInstance['form'];
return $instance;
}
/**
* Output the widget's option form.
*/
public function form($instance) {
$instance = WPFunctions::get()->wpParseArgs(
(array)$instance,
[
'title' => WPFunctions::get()->__('Subscribe to Our Newsletter', 'mailpoet'),
]
);
$formEditUrl = WPFunctions::get()->adminUrl('admin.php?page=mailpoet-form-editor&id=');
// set title
$title = isset($instance['title']) ? strip_tags($instance['title']) : '';
// set form
$selectedForm = isset($instance['form']) ? (int)($instance['form']) : 0;
// get forms list
$forms = Form::getPublished()->orderByAsc('name')->findArray();
?><p>
<label for="<?php $this->get_field_id( 'title' ) ?>"><?php WPFunctions::get()->_e('Title:', 'mailpoet'); ?></label>
<input
type="text"
class="widefat"
id="<?php echo $this->get_field_id('title') ?>"
name="<?php echo $this->get_field_name('title'); ?>"
value="<?php echo WPFunctions::get()->escAttr($title); ?>"
/>
</p>
<p>
<select class="widefat" id="<?php echo $this->get_field_id('form') ?>" name="<?php echo $this->get_field_name('form'); ?>">
<?php
foreach ($forms as $form) {
$isSelected = ($selectedForm === (int)$form['id']) ? 'selected="selected"' : '';
$formName = $form['name'] ? $this->wp->escHtml($form['name']) : "({$this->wp->_x('no name', 'fallback for forms without a name in a form list')})"
?>
<option value="<?php echo (int)$form['id']; ?>" <?php echo $isSelected; ?>><?php echo $formName; ?></option>
<?php } ?>
</select>
</p>
<p>
<a href="javascript:;" onClick="createSubscriptionForm()" class="mailpoet_form_new"><?php WPFunctions::get()->_e('Create a new form', 'mailpoet'); ?></a>
</p>
<script type="text/javascript">
function createSubscriptionForm() {
MailPoet.Ajax.post({
endpoint: 'forms',
action: 'create',
api_version: window.mailpoet_api_version
}).done(function(response) {
if (response.data && response.data.id) {
window.location =
"<?php echo $formEditUrl; ?>" + response.data.id;
}
}).fail((response) => {
if (response.errors.length > 0) {
MailPoet.Notice.error(
response.errors.map((error) => { return error.message; }),
{ scroll: true }
);
}
});
return false;
}
</script>
<?php
return '';
}
/**
* Output the widget itself.
*/
public function widget($args, $instance = null) {
$this->assetsController->setupFrontEndDependencies();
$beforeWidget = !empty($args['before_widget']) ? $args['before_widget'] : '';
$afterWidget = !empty($args['after_widget']) ? $args['after_widget'] : '';
$beforeTitle = !empty($args['before_title']) ? $args['before_title'] : '';
$afterTitle = !empty($args['after_title']) ? $args['after_title'] : '';
if ($instance === null) {
$instance = $args;
}
$title = $this->wp->applyFilters(
'widget_title',
!empty($instance['title']) ? $instance['title'] : '',
$instance,
$this->id_base // phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
);
// get form
$form = Form::getPublished()->findOne($instance['form']);
if (!$form) return '';
if ($form->status !== FormEntity::STATUS_ENABLED) return '';
$form = $form->asArray();
$formType = 'widget';
if (isset($instance['form_type']) && in_array(
$instance['form_type'],
[
'html',
'php',
'iframe',
'shortcode',
]
)) {
$formType = $instance['form_type'];
}
$body = (isset($form['body']) ? $form['body'] : []);
$output = '';
if (!empty($body) && isset($form['settings']) && is_array($form['settings'])) {
$formId = $this->id_base . '_' . $form['id']; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
$data = [
'form_html_id' => $formId,
'form_id' => $form['id'],
'form_type' => $formType,
'form_success_message' => $form['settings']['success_message'],
'title' => $title,
'styles' => $this->formRenderer->renderStyles($form, '#' . $formId, FormEntity::DISPLAY_TYPE_OTHERS),
'html' => $this->formRenderer->renderHTML($form),
'before_widget' => $beforeWidget,
'after_widget' => $afterWidget,
'before_title' => $beforeTitle,
'after_title' => $afterTitle,
];
// (POST) non ajax success/error variables
$data['success'] = (
(isset($_GET['mailpoet_success']))
&&
((int)$_GET['mailpoet_success'] === (int)$form['id'])
);
$data['error'] = (
(isset($_GET['mailpoet_error']))
&&
((int)$_GET['mailpoet_error'] === (int)$form['id'])
);
// generate security token
$data['token'] = Security::generateToken();
// add API version
$data['api_version'] = API::CURRENT_VERSION;
// render form
$renderer = new ConfigRenderer();
try {
$output = $renderer->render('form/front_end_form.html', $data);
$output = WPFunctions::get()->doShortcode($output);
$output = $this->wp->applyFilters('mailpoet_form_widget_post_process', $output);
} catch (\Exception $e) {
$output = $e->getMessage();
}
}
if ($formType === 'widget') {
echo $output;
} else {
return $output;
}
}
}