From 45c2f4e8aabe6db9aab85e39c0cd57b61dc13d4d Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Fri, 2 Sep 2016 12:11:21 +0200
Subject: [PATCH] Added dynamic table overflow

---
 .../output/node/HtmlOutputNodeTable.class.php | 43 +++++++++++++++++++
 wcfsetup/install/files/style/ui/message.scss  |  7 +++
 2 files changed, 50 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeTable.class.php

diff --git a/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeTable.class.php b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeTable.class.php
new file mode 100644
index 0000000000..d8f49aa08e
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeTable.class.php
@@ -0,0 +1,43 @@
+<?php
+namespace wcf\system\html\output\node;
+use wcf\system\html\node\AbstractHtmlNodeProcessor;
+
+/**
+ * Adds wrapper div for tables to allow content overflow with scrollbars.
+ * 
+ * @author      Alexander Ebert
+ * @copyright   2001-2016 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package     WoltLabSuite\Core\System\Html\Output\Node
+ * @since       3.0
+ */
+class HtmlOutputNodeTable extends AbstractHtmlOutputNode {
+	/**
+	 * @inheritDoc
+	 */
+	protected $tagName = 'table';
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function process(array $elements, AbstractHtmlNodeProcessor $htmlNodeProcessor) {
+		if ($this->outputType === 'text/html' || $this->outputType === 'text/simplified-html') {
+			/** @var \DOMElement $element */
+			foreach ($elements as $element) {
+				// check if table is not contained within another table
+				$parent = $element;
+				while ($parent = $parent->parentNode) {
+					if ($parent->nodeName === 'table') {
+						continue;
+					}
+				}
+				
+				$div = $element->ownerDocument->createElement('div');
+				$div->setAttribute('class', 'messageTableOverflow');
+				
+				$element->parentNode->insertBefore($div, $element);
+				$div->appendChild($element);
+			}
+		}
+	}
+}
diff --git a/wcfsetup/install/files/style/ui/message.scss b/wcfsetup/install/files/style/ui/message.scss
index 1b27e71564..f52b324778 100644
--- a/wcfsetup/install/files/style/ui/message.scss
+++ b/wcfsetup/install/files/style/ui/message.scss
@@ -620,3 +620,10 @@
 		}
 	}
 }
+
+@include screen-sm-down {
+	/* allow tables to overflow on small screens */
+	.messageTableOverflow {
+		overflow: auto;
+	}
+}
-- 
2.20.1