Form: add required attribute to select input gui. (#35821) https://mantis.ilias.de/view.php?id=35821 (ILIAS-eLearning#7171)

Author: lukastocker

Services/Form/classes/class.ilSelectInputGUI.php

@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /**
  * This file is part of ILIAS, a powerful learning management system
  * published by ILIAS open source e-Learning e.V.
@@ -18,6 +16,8 @@
  *
  *********************************************************************/
 
+declare(strict_types=1);
+
 /**
  * This class represents a selection list property in a property form.
  *
@@ -150,6 +150,12 @@ public function render($a_mode = ""): string
             $tpl->parseCurrentBlock();
         }
 
+        if ($this->getRequired()) {
+            $tpl->setCurrentBlock('required_attribute');
+            $tpl->setVariable('REQUIRED', 'required');
+            $tpl->parseCurrentBlock();
+        }
+
         // determine value to select. Due to accessibility reasons we
         // should always select a value (per default the first one)
         $first = true;

Services/Form/templates/default/tpl.prop_select.html

@@ -1,7 +1,7 @@
 <!-- BEGIN inline_in_bl -->
 <div class="form-inline">
 <!-- END inline_in_bl -->	
-	<select aria-label="{ARIA_LABEL}" class="form-control" id="{ID}" name="{POST_VAR}" <!-- BEGIN cust_attr -->{CUSTOM_ATTR}<!-- END cust_attr --> {DISABLED}>
+	<select aria-label="{ARIA_LABEL}" class="form-control" id="{ID}" name="{POST_VAR}" <!-- BEGIN cust_attr -->{CUSTOM_ATTR}<!-- END cust_attr --> {DISABLED} <!-- BEGIN required_attribute --> required="{REQUIRED}" <!-- END required_attribute -->>
 	<!-- BEGIN prop_select_option -->
 	<option value="{VAL_SELECT_OPTION}" {CHK_SEL_OPTION}>{TXT_SELECT_OPTION}</option>
 	<!-- END prop_select_option -->