From 55c934efb3519285d8acbcf40bb13ddd14c6f8af Mon Sep 17 00:00:00 2001
From: NicoHood <git@nicohood.de>
Date: Sat, 9 Jan 2021 10:13:14 +0100
Subject: [PATCH 1/2] Fix #471 checkboxes state when all boxes are empty

---
 classes/Form.php                                       | 3 +++
 templates/forms/fields/checkboxes/checkboxes.html.twig | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/classes/Form.php b/classes/Form.php
index dad2974b..51a689c6 100644
--- a/classes/Form.php
+++ b/classes/Form.php
@@ -870,6 +870,9 @@ public function post()
                 if ($field['type'] === 'checkbox' || $field['type'] === 'switch') {
                     $data[$name] = isset($data[$name]) ? true : false;
                 }
+                if ($field['type'] === 'checkboxes' && !isset($data[$name])) {
+                    $data[$name] = [];
+                }
                 $i++;
             }
 
diff --git a/templates/forms/fields/checkboxes/checkboxes.html.twig b/templates/forms/fields/checkboxes/checkboxes.html.twig
index ba9a6506..8f548598 100644
--- a/templates/forms/fields/checkboxes/checkboxes.html.twig
+++ b/templates/forms/fields/checkboxes/checkboxes.html.twig
@@ -2,7 +2,7 @@
 
 {% set originalValue = value %}
 {% set value = (value is null ? field.default : value) %}
-{% if field.use == 'keys' and field.default %}
+{% if field.use == 'keys' and field.default and value is null %}
     {% set value = field.default|merge(value) %}
 {% endif %}
 

From c107f268c1365a28cf42026cace308d8737fcf20 Mon Sep 17 00:00:00 2001
From: NicoHood <git@nicohood.de>
Date: Tue, 12 Jan 2021 18:26:20 +0100
Subject: [PATCH 2/2] Remove not required default setting

---
 templates/forms/fields/checkboxes/checkboxes.html.twig | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/templates/forms/fields/checkboxes/checkboxes.html.twig b/templates/forms/fields/checkboxes/checkboxes.html.twig
index 8f548598..60597ebd 100644
--- a/templates/forms/fields/checkboxes/checkboxes.html.twig
+++ b/templates/forms/fields/checkboxes/checkboxes.html.twig
@@ -1,10 +1,6 @@
 {% extends "forms/field.html.twig" %}
 
 {% set originalValue = value %}
-{% set value = (value is null ? field.default : value) %}
-{% if field.use == 'keys' and field.default and value is null %}
-    {% set value = field.default|merge(value) %}
-{% endif %}
 
 {% block global_attributes %}
     {{ parent() }}