From 0885640cef19c995e561a0900d1ae262b47ff864 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <timwolla@arcor.de>
Date: Wed, 7 Dec 2011 17:21:23 +0100
Subject: [PATCH] Implements an fileSize option-type for easier handling of
 file sizes.

It transparently converts inputs like 42 kB or 1337 MiB to Integers to
save in the database and converts the back to strings in the ACP.
---
 .../option/FileSizeOptionType.class.php       | 57 +++++++++++++++++++
 .../FileSizeUserGroupOptionType.class.php     | 23 ++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/option/FileSizeOptionType.class.php
 create mode 100644 wcfsetup/install/files/lib/system/option/user/group/FileSizeUserGroupOptionType.class.php

diff --git a/wcfsetup/install/files/lib/system/option/FileSizeOptionType.class.php b/wcfsetup/install/files/lib/system/option/FileSizeOptionType.class.php
new file mode 100644
index 0000000000..0d20ef10c7
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/option/FileSizeOptionType.class.php
@@ -0,0 +1,57 @@
+<?php
+namespace wcf\system\option;
+use wcf\data\option\Option;
+use wcf\util\FileUtil;
+use wcf\util\StringUtil;
+
+/**
+ * FileSizeOptionType is an implementation of IOptionType for file sizes.
+ *
+ * @author	Tim Düsterhus
+ * @copyright	2011 Tim Düsterhus
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	system.option
+ * @category 	Community Framework
+ */
+class FileSizeOptionType extends IntegerOptionType {
+	/**
+	 * @see wcf\system\option\IOptionType::getData()
+	 */
+	public function getData(Option $option, $newValue) {
+		$number = intval($newValue);
+		if (preg_match('/[kmgt]i?b$/i', $newValue, $multiplier)) {
+			switch (StringUtil::toLowerCase($multiplier[0])) {
+				case 'tb':
+					$number *= 1000;
+				case 'gb':
+					$number *= 1000;
+				case 'mb':
+					$number *= 1000;
+				case 'kb':
+					$number *= 1000;
+				break;
+				case 'tib':
+					$number *= 1024;
+				case 'gib':
+					$number *= 1024;
+				case 'mib':
+					$number *= 1024;
+				case 'kib':
+					$number *= 1024;
+				break;
+			}
+		}
+		
+		return $number;
+	}
+	
+	/**
+	 * @see wcf\system\option\IOptionType::getFormElement()
+	 */
+	public function getFormElement(Option $option, $value) {
+		// TODO: Maybe show more digits after the comma?
+		$value = FileUtil::formatFileSize($value);
+		return parent::getFormElement($option, $value);
+	}
+}
diff --git a/wcfsetup/install/files/lib/system/option/user/group/FileSizeUserGroupOptionType.class.php b/wcfsetup/install/files/lib/system/option/user/group/FileSizeUserGroupOptionType.class.php
new file mode 100644
index 0000000000..6af706ce24
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/option/user/group/FileSizeUserGroupOptionType.class.php
@@ -0,0 +1,23 @@
+<?php
+namespace wcf\system\option\user\group;
+use wcf\system\option\FileSizeOptionType;
+
+/**
+ * FileSizeUserGroupOptionType is an implementation of IUserGroupOptionType for file sizes.
+ * The merge of option values returns the highest value.
+ * 
+ * @author	Tim Düsterhus
+ * @copyright	2011 Tim Düsterhus
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	system.option.user.group
+ * @category 	Community Framework
+ */
+class FileSizeUserGroupOptionType extends FileSizeOptionType implements IUserGroupOptionType {
+	/**
+	 * @see wcf\system\option\user.group\IUserGroupOptionType::merge()
+	 */
+	public function merge(array $values) {
+		return max($values);
+	}
+}
-- 
2.20.1