From fe4a84d541eed2a6c542f995ec4e6bd4bcd4cfbe Mon Sep 17 00:00:00 2001
From: Tim Otten <totten@civicrm.org>
Date: Wed, 8 Jul 2020 18:23:37 -0700
Subject: [PATCH] Setup UI - Validate that the "components" list is not empty
 (jQuery)

---
 setup/plugins/blocks/components.tpl.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/setup/plugins/blocks/components.tpl.php b/setup/plugins/blocks/components.tpl.php
index 0c129709b4..2949a48c22 100644
--- a/setup/plugins/blocks/components.tpl.php
+++ b/setup/plugins/blocks/components.tpl.php
@@ -2,6 +2,8 @@
 endif; ?>
 <h2 id="components"><?php echo ts('Components'); ?></h2>
 
+<p class="comp-error-required"><?php echo ts('At least one component must be enabled.'); ?></p>
+
 <div>
   <?php foreach ($model->getField('components', 'options') as $comp => $label): ?>
     <input class="comp-cb sr-only" style="display: none;" type="checkbox" name="civisetup[components][<?php echo $comp; ?>]" id="civisetup[components][<?php echo $comp; ?>]" <?php echo in_array($comp, $model->components) ? 'checked' : '' ?>>
@@ -16,3 +18,11 @@ endif; ?>
   <strong><?php echo ts('Tip'); ?></strong>:
   <?php echo ts('Not sure? That\'s OK. After installing, you can enable and disable components at any time.'); ?>
 </p>
+
+<script type="text/javascript">
+  csj$(function($){
+    $('.comp-cb').useValidator(function(){
+      $('.comp-error-required').toggleError($('.comp-cb:checked').length == 0);
+    });
+  });
+</script>
-- 
2.25.1