From 760b7a11b1dff82ec4b9292c033dd373c0c56ef5 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 20 Dec 2020 10:57:38 +0100
Subject: [PATCH] Add field CSS class support for `MultipleSelectionFormField`

---
 com.woltlab.wcf/templates/__multipleSelectionFormField.tpl     | 2 ++
 .../files/acp/templates/__multipleSelectionFormField.tpl       | 2 ++
 .../form/builder/field/MultipleSelectionFormField.class.php    | 3 ++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/com.woltlab.wcf/templates/__multipleSelectionFormField.tpl b/com.woltlab.wcf/templates/__multipleSelectionFormField.tpl
index c13cdd7bef..514fea2b30 100644
--- a/com.woltlab.wcf/templates/__multipleSelectionFormField.tpl
+++ b/com.woltlab.wcf/templates/__multipleSelectionFormField.tpl
@@ -22,6 +22,7 @@
 						*}type="checkbox" {*
 						*}name="{@$field->getPrefixedId()}[]" {*
 						*}value="{$__fieldNestedOption[value]}"{*
+						*}{if !$field->getFieldClasses()|empty} class="{implode from=$field->getFieldClasses() item='class' glue=' '}{$class}{/implode}"{/if}{*
 						*}{if $field->getValue() !== null && $__fieldNestedOption[value]|in_array:$field->getValue() && $__fieldNestedOption[isSelectable]} checked{/if}{*
 						*}{if $field->isImmutable() || !$__fieldNestedOption[isSelectable]} disabled{/if}{*
 					*}> {@$__fieldNestedOption[label]}</label>
@@ -34,6 +35,7 @@
 			<input type="checkbox" {*
 				*}name="{@$field->getPrefixedId()}[]" {*
 				*}value="{$__fieldNestedOption[value]}"{*
+				*}{if !$field->getFieldClasses()|empty} class="{implode from=$field->getFieldClasses() item='class' glue=' '}{$class}{/implode}"{/if}{*
 				*}{if $field->getValue() !== null && $__fieldNestedOption[value]|in_array:$field->getValue() && $__fieldNestedOption[isSelectable]} checked{/if}{*
 				*}{if $field->isImmutable() || !$__fieldNestedOption[isSelectable]} disabled{/if}{*
 			*}> {@$__fieldNestedOption[label]}
diff --git a/wcfsetup/install/files/acp/templates/__multipleSelectionFormField.tpl b/wcfsetup/install/files/acp/templates/__multipleSelectionFormField.tpl
index c13cdd7bef..514fea2b30 100644
--- a/wcfsetup/install/files/acp/templates/__multipleSelectionFormField.tpl
+++ b/wcfsetup/install/files/acp/templates/__multipleSelectionFormField.tpl
@@ -22,6 +22,7 @@
 						*}type="checkbox" {*
 						*}name="{@$field->getPrefixedId()}[]" {*
 						*}value="{$__fieldNestedOption[value]}"{*
+						*}{if !$field->getFieldClasses()|empty} class="{implode from=$field->getFieldClasses() item='class' glue=' '}{$class}{/implode}"{/if}{*
 						*}{if $field->getValue() !== null && $__fieldNestedOption[value]|in_array:$field->getValue() && $__fieldNestedOption[isSelectable]} checked{/if}{*
 						*}{if $field->isImmutable() || !$__fieldNestedOption[isSelectable]} disabled{/if}{*
 					*}> {@$__fieldNestedOption[label]}</label>
@@ -34,6 +35,7 @@
 			<input type="checkbox" {*
 				*}name="{@$field->getPrefixedId()}[]" {*
 				*}value="{$__fieldNestedOption[value]}"{*
+				*}{if !$field->getFieldClasses()|empty} class="{implode from=$field->getFieldClasses() item='class' glue=' '}{$class}{/implode}"{/if}{*
 				*}{if $field->getValue() !== null && $__fieldNestedOption[value]|in_array:$field->getValue() && $__fieldNestedOption[isSelectable]} checked{/if}{*
 				*}{if $field->isImmutable() || !$__fieldNestedOption[isSelectable]} disabled{/if}{*
 			*}> {@$__fieldNestedOption[label]}
diff --git a/wcfsetup/install/files/lib/system/form/builder/field/MultipleSelectionFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/MultipleSelectionFormField.class.php
index 29ad395b50..247cdc4b17 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/MultipleSelectionFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/MultipleSelectionFormField.class.php
@@ -13,7 +13,8 @@ use wcf\system\form\builder\IFormDocument;
  * @package	WoltLabSuite\Core\System\Form\Builder\Field
  * @since	5.2
  */
-class MultipleSelectionFormField extends AbstractFormField implements IFilterableSelectionFormField, IImmutableFormField {
+class MultipleSelectionFormField extends AbstractFormField implements ICssClassFormField, IFilterableSelectionFormField, IImmutableFormField {
+	use TCssClassFormField;
 	use TFilterableSelectionFormField;
 	use TImmutableFormField;
 	
-- 
2.20.1