生成后台管理菜单 admin_menu 类
<?php/** * 管理菜单 * */class App_Helper_Admin_Menu {const quuid = 'q';const qargs = 'args';const qtitle = 'title';const qtype = 'type';const qparent = 'parent';/** * 扩展选项,如 style class 等等 */const qoptions = 'options';const qchildren = 'children';const qactive = 'active';/** * 顶级菜单标识 */const qparent_top = '#ROOT#';/** * 茎节点 */const qtype_stem = 'stem';/** * 叶节点 */const qtype_leaf = 'leaf';private function __construct(){$this->init();}/** * @return App_Helper_Admin_Menu */static function getInstance(){static $it = false;if (!$it){$it = new self();}return $it;}/** * 返回生成的 菜单 ** @return array */private function init(){$qid = Core_AppUtils::get(Core_Mvc_Router::queryAccessor);$active = false;$catalog = $this->aclFilter($this->loadData());do {$item = Core_AppUtils::val($catalog,$qid,null);if (empty($item)) break;$active = $catalog[$qid] = true;if (self::qparent_top == $item) break;$qid = $item;} while(true);// 转成树$catalog = (array) Core_AppUtils::array_to_tree($catalog,self::quuid,self::qparent,self::qchildren);// 节点过滤,规范 茎叶类型$catalog = $this->nodeFilter($catalog);$this->activeItems = array();$this->catalog = $this->locateActiveItem($catalog);}/** * 返回激活的菜单项数组 * * @return array */function getActiveItems(){return $this->activeItems;}/** * 返回生成的菜单数据 * * @return array */function getCatalog(){return $this->catalog;}/** * 生成菜单项 * * @param string $quuid * @param array $qargs * @param string $qtitle * @param string $qparent * @param string $qtype * @param array $qoptions ** @return array */static function createItem($quuid ,$qargs ,$qtitle ,$qparent ,$qtype ,$qoptions=null){$d = array(self::quuid => $quuid,self::qargs => $qargs,self::qtitle => $qtitle,self::qparent => $qparent,self::qtype => $qtype,);if (!empty($qoptions)) $d = (array) $qoptions;return $d;}private function loadData(){$catalog = (array) Core_Autoloader::loadFile(APPPATH . '/config/adminmenu.php',false);return Core_AppUtils::array_to_hashmap($catalog,self::quuid) ;}private function addActiveItem(array $item){if (self::qtype_stem == $item){unset($item);}$this->activeItems[] = $item;}private function locateActiveItem(array $items){$activeItem = null;foreach ($items as $offset => $item){if (Core_AppUtils::val($item,self::qactive,false)){$activeItem = & $items[$offset];break;}}if (empty($activeItem)) {$activeItem = & $items;$activeItem = true;}$this->addActiveItem($activeItem);if (self::qtype_stem == $activeItem){$activeItem = $this->locateActiveItem($activeItem);}return $items;}private function nodeFilter(array $items){if (empty($items)) return $items;$data = array();foreach ($items as $item){switch ($item) {case self::qtype_leaf: unset($item);break;case self::qtype_stem:if (empty($item)){$item = self::qtype_leaf;unset($item);}else {$item = $this->nodeFilter($item);}break;default:$item = null;}if (!empty($items)) $data[] = $item;}return $data;}private function aclFilter(array $items){if (empty($items)) return $items;if (Core_Event::isRegistered(Core_Mvc_EventId::dispatching_aclcheck)){$data = array();foreach ($items as $uuid => $item){if (App_Convention::canAccess($uuid) ){$data[$uuid] = $item;}}return $data;}return $items;}}
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