From b014111d93cd18ff05c345a87e6481f45ec673c9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Mon, 15 Jun 2020 10:23:31 +0200
Subject: [PATCH] Preserve the scroll position in styleGlobalValues when saving

Closes #3267
---
 .../files/acp/templates/styleGlobalValues.tpl        |  1 +
 .../lib/acp/form/StyleGlobalValuesForm.class.php     | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/acp/templates/styleGlobalValues.tpl b/wcfsetup/install/files/acp/templates/styleGlobalValues.tpl
index 0408d87e34..51e53478cb 100644
--- a/wcfsetup/install/files/acp/templates/styleGlobalValues.tpl
+++ b/wcfsetup/install/files/acp/templates/styleGlobalValues.tpl
@@ -28,6 +28,7 @@
 			<dd>
 				<div dir="ltr">
 					<textarea id="styles" rows="20" cols="40" name="styles" style="visibility: hidden">{$styles}</textarea>
+					<input class="codeMirrorScrollOffset" name="stylesScrollOffset" value="{$stylesScrollOffset}" type="hidden">
 				</div>
 			</dd>
 		</dl>
diff --git a/wcfsetup/install/files/lib/acp/form/StyleGlobalValuesForm.class.php b/wcfsetup/install/files/lib/acp/form/StyleGlobalValuesForm.class.php
index 491d76b578..a86b2b551e 100644
--- a/wcfsetup/install/files/lib/acp/form/StyleGlobalValuesForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/StyleGlobalValuesForm.class.php
@@ -26,6 +26,12 @@ class StyleGlobalValuesForm extends AbstractForm {
 	 * @var string
 	 */
 	public $styles = '';
+
+	/**
+	 * current scroll offset before submitting the form
+	 * @var integer
+	 */
+	public $stylesScrollOffset = 0;
 	
 	/**
 	 * @inheritDoc
@@ -36,6 +42,9 @@ class StyleGlobalValuesForm extends AbstractForm {
 		if (isset($_POST['styles'])) {
 			$this->styles = StringUtil::unifyNewlines(StringUtil::trim($_POST['styles']));
 		}
+		if (isset($_POST['stylesScrollOffset'])) {
+			$this->stylesScrollOffset = intval($_POST['stylesScrollOffset']);
+		}
 	}
 	
 	/**
@@ -84,7 +93,8 @@ class StyleGlobalValuesForm extends AbstractForm {
 		parent::assignVariables();
 		
 		WCF::getTPL()->assign([
-			'styles' => $this->styles
+			'styles' => $this->styles,
+			'stylesScrollOffset' => $this->stylesScrollOffset,
 		]);
 	}
 }
-- 
2.20.1