first commit

layouts/joomla/system/message.php

@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  Layout
+ *
+ * @copyright   (C) 2014 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+
+/* @var $displayData array */
+$msgList   = $displayData['msgList'];
+$document  = Factory::getDocument();
+$msgOutput = '';
+$alert     = [
+    CMSApplication::MSG_EMERGENCY => 'danger',
+    CMSApplication::MSG_ALERT     => 'danger',
+    CMSApplication::MSG_CRITICAL  => 'danger',
+    CMSApplication::MSG_ERROR     => 'danger',
+    CMSApplication::MSG_WARNING   => 'warning',
+    CMSApplication::MSG_NOTICE    => 'info',
+    CMSApplication::MSG_INFO      => 'info',
+    CMSApplication::MSG_DEBUG     => 'info',
+    'message'                     => 'success'
+];
+
+// Load JavaScript message titles
+Text::script('ERROR');
+Text::script('MESSAGE');
+Text::script('NOTICE');
+Text::script('WARNING');
+
+// Load other Javascript message strings
+Text::script('JCLOSE');
+Text::script('JOK');
+Text::script('JOPEN');
+
+// Alerts progressive enhancement
+$document->getWebAssetManager()
+    ->useStyle('webcomponent.joomla-alert')
+    ->useScript('messages');
+
+if (is_array($msgList) && !empty($msgList)) {
+    $messages = [];
+
+    foreach ($msgList as $type => $msgs) {
+        // JS loaded messages
+        $messages[] = [$alert[$type] ?? $type => $msgs];
+        // Noscript fallback
+        if (!empty($msgs)) {
+            $msgOutput .= '<div class="alert alert-' . ($alert[$type] ?? $type) . '">';
+            foreach ($msgs as $msg) :
+                $msgOutput .= $msg;
+            endforeach;
+            $msgOutput .= '</div>';
+        }
+    }
+
+    if ($msgOutput !== '') {
+        $msgOutput = '<noscript>' . $msgOutput . '</noscript>';
+    }
+
+    $document->addScriptOptions('joomla.messages', $messages);
+}
+?>
+<div id="system-message-container" aria-live="polite"><?php echo $msgOutput; ?></div>