Moved code from blog into wcf

diff --git a/wcfsetup/install/files/acp/templates/categoryMultiSelectOptionType.tpl b/wcfsetup/install/files/acp/templates/categoryMultiSelectOptionType.tpl
new file mode 100644 (file)
index 0000000..4913510
--- /dev/null
+++ b/wcfsetup/install/files/acp/templates/categoryMultiSelectOptionType.tpl
@@ -0,0 +1,11 @@
+<select id="{$option->optionName}" name="values[{$option->optionName}][]" multiple="multiple" size="10">
+       {foreach from=$categoryList item=categoryItem}
+               <option value="{@$categoryItem->categoryID}"{if $categoryItem->categoryID|in_array:$value} selected="selected"{/if}>{$categoryItem->getTitle()}</option>
+               
+               {if $categoryItem->hasChildren()}
+                       {foreach from=$categoryItem item=subCategoryItem}
+                               <option value="{@$subCategoryItem->categoryID}"{if $subCategoryItem->categoryID|in_array:$value} selected="selected"{/if}>&nbsp;&nbsp;&nbsp;&nbsp;{$subCategoryItem->getTitle()}</option>
+                       {/foreach}
+               {/if}
+       {/foreach}
+</select>
\ No newline at end of file

diff --git a/wcfsetup/install/files/lib/system/option/AbstractCategoryMultiSelectOptionType.class.php b/wcfsetup/install/files/lib/system/option/AbstractCategoryMultiSelectOptionType.class.php
new file mode 100644 (file)
index 0000000..b76b62c
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/option/AbstractCategoryMultiSelectOptionType.class.php
@@ -0,0 +1,70 @@
+<?php
+namespace wcf\system\option;
+use wcf\data\option\Option;
+use wcf\system\category\CategoryHandler;
+use wcf\system\exception\UserInputException;
+use wcf\system\option\AbstractOptionType;
+use wcf\system\WCF;
+use wcf\util\ArrayUtil;
+
+/**
+ * Option type implementation for multi select lists.
+ * 
+ * @author     Marcel Werk
+ * @copyright  2001-2013 WoltLab GmbH
+ * @license    GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package    com.woltlab.wcf
+ * @subpackage system.option
+ * @category   Community Framework
+ */
+class AbstractCategoryMultiSelectOptionType extends AbstractOptionType {
+       /**
+        * object type name
+        * @var string
+        */
+       public $objectType = '';
+       
+       /**
+        * node tree class
+        * @var string
+        */
+       public $nodeTreeClassname = 'wcf\data\category\CategoryNodeTree';
+       
+       /**
+        * @see wcf\system\option\IOptionType::getFormElement()
+        */
+       public function getFormElement(Option $option, $value) {
+               $categoryTree = new $this->nodeTreeClassname($this->objectType);
+               $categoryList = $categoryTree->getIterator();
+               $categoryList->setMaxDepth(0);
+               
+               WCF::getTPL()->assign(array(
+                       'categoryList' => $categoryList,
+                       'option' => $option,
+                       'value' => (!is_array($value) ? explode("\n", $value) : $value)
+               ));
+               return WCF::getTPL()->fetch('categoryMultiSelectOptionType');
+       }
+       
+       /**
+        * @see wcf\system\option\IOptionType::validate()
+        */
+       public function validate(Option $option, $newValue) {
+               if (!is_array($newValue)) $newValue = array();
+               $newValue = ArrayUtil::toIntegerArray($newValue);
+               
+               foreach ($newValue as $categoryID) {
+                       $category = CategoryHandler::getInstance()->getCategory($categoryID);
+                       if ($category === null) throw new UserInputException($option->optionName, 'validationFailed');
+                       if ($category->getObjectType()->objectType != $this->objectType) throw new UserInputException($option->optionName, 'validationFailed');
+               }
+       }
+       
+       /**
+        * @see wcf\system\option\IOptionType::getData()
+        */
+       public function getData(Option $option, $newValue) {
+               if (!is_array($newValue)) $newValue = array();
+               return implode("\n", ArrayUtil::toIntegerArray($newValue));
+       }
+}