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.

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 (file)
index 0000000..0d20ef1
--- /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 (file)
index 0000000..6af706c
--- /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);
+       }
+}