Add preview mode

lang/de_de.lang

@@ -86,3 +86,5 @@ maintenance_allowed_yrewrite_domains_label = Liste erlaubter YRewrite-Domains
 maintenance_allowed_yrewrite_domains_notice = YRewrite-Domains eintragen, die nicht gesperrt werden sollen.
 
 maintenance_copy_url_title = URL kopieren
+
+maintenance_preview_title = Vorschau

package.yml

@@ -17,6 +17,10 @@ page:
         backend:
             title: translate:maintenance_backend_title
             icon: rex-icon fa-user-gear
+        preview:
+            title: translate:maintenance_preview_title
+            icon: rex-icon fa-eye
+            hidden: true
         help:
             title: translate:maintenance_docs_title
             subPath: README.md

pages/frontend.php

@@ -136,7 +136,16 @@
 
 
 		<?php
+/* Vorschau des Wartungsmodus */
+$preview = '<a target="_blank" href="' . rex_url::backendPage('maintenance/preview') . '" class="btn btn-primary">' . rex_i18n::msg('maintenance_preview') . '</a>';
 
+$fragment = new rex_fragment();
+$fragment->setVar('class', 'info', false);
+$fragment->setVar('title', rex_i18n::msg('maintenance_preview_title'), false);
+$fragment->setVar('body', $preview, false);
+echo $fragment->parse('core/page/section.php');
+
+/* Kopieren der URL für den Wartungsmodus */
         $copy = '<ul class="list-group">';
 $url = '' . rex::getServer() . '?maintenance_secret=' . rex_config::get('maintenance', 'maintenance_secret');
 $copy .= '<li class="list-group-item"><label for="maintenance-mode-url">REDAXO config.yml</label>
@@ -172,6 +181,7 @@
 $fragment->setVar('title', rex_i18n::msg('maintenance_copy_url_title'), false);
 $fragment->setVar('body', $copy, false);
 echo $fragment->parse('core/page/section.php');
+
 ?>
 	</div>
 </div>

pages/preview.php

@@ -0,0 +1,7 @@
+<?php
+
+ob_clean();
+
+$fragment = new rex_fragment();
+echo $fragment->parse('maintenance/frontend.php');
+exit;