fix for BIESt closes #519

Merge request studip/studip!664

templates/sidebar/list-widget.php

-<ul class="<?= implode(' ', $css_classes) ?>">
+<ul class="<?= implode(' ', $css_classes) ?>" aria-label="<?= htmlReady($title) ?>">
 <? foreach ($elements as $index => $element): ?>
     <? if ($element instanceof LinkElement): ?>
         <? $icon = $element->icon ?? null ?>

templates/sidebar/options-widget-form.php

@@ -21,7 +21,7 @@
         <? elseif ($element['type'] == 'select'): ?>
             <label>
                 <?= htmlReady($element['label']) ?>
-                <select name="<?= htmlReady($element['name']) ?>">
+                <select name="<?= htmlReady($element['name']) ?>" aria-label="<?= htmlReady($title) ?>">
                     <? foreach ($element['options'] as $key => $name): ?>
                         <option value="<?= htmlReady($key) ?>">
                             <?= htmlReady($name) ?>

templates/sidebar/select-widget.php

@@ -2,7 +2,8 @@
     <?= \SelectWidget::arrayToHiddenInput($params) ?>
     <?= (strtolower($method) == 'post') ?  CSRFProtection::tokenTag() : ''; ?>
     <select class="sidebar-selectlist <?= $class ?> <? if ($__is_nested): ?>nested-select<? endif; ?>" <? !empty($size) ? printf('size="%u"', $size) : '' ?> <?= !empty($attributes) ? arrayToHtmlAttributes($attributes) : '' ?>
-        name="<?= sprintf('%s%s', htmlReady($name), $multiple ? '[]' : '') ?>" <? if ($multiple) echo 'multiple'; ?>>
+            name="<?= sprintf('%s%s', htmlReady($name), $multiple ? '[]' : '') ?>" <? if ($multiple) echo 'multiple'; ?>
+            aria-label="<?= htmlReady($title) ?>">
 
     <? foreach ($elements as $element): ?>
         <? if ($element instanceof SelectGroupElement && count($element->getElements()) > 0): ?>

templates/sidebar/sidebar.php

 <div id="layout-sidebar">
-    <section class="sidebar">
+    <section class="sidebar" role="complementary" aria-label="<?= _('Seitenleiste') ?>">
         <div class="sidebar-image <? if ($avatar) echo 'sidebar-image-with-context'; ?>">
         <? if ($avatar) : ?>
             <div class="sidebar-context">