PHP Tree::factory方法代码示例

 /**
  * Get a branch
  * @param int $node
  * @param bool $include include the wanted node itself
  * @return Tree
  */
 public function branch($id, $include = FALSE)
 {
     // get descendant ids
     $descendants = isset($this->_map[$id]) ? $this->_map[$id]['descendants'] : array();
     // get all descendants
     $data = array();
     $map = array();
     foreach ($descendants as $descendant) {
         $data[] = $this->_map[$descendant]['item'];
         $map[$descendant] = $this->_map[$descendant];
     }
     // new root is the wanted node
     $root = $id;
     if ($include == TRUE) {
         // prepend items with from item
         if (isset($this->_map[$id]['item']) && $this->_map[$id]['item'] !== FALSE) {
             // when the parent is an actual element
             // prepend data
             array_unshift($data, $this->_map[$id]['item']);
             // new root is the node's parent
             $root = $this->_map[$id]['parent'];
         }
         if (isset($this->_map[$id])) {
             $map[$id] = $this->_map[$id];
         }
     }
     // new tree with prepared map
     return Tree::factory($data, $map, $root);
 }

 /**
  * Model_Item::_tree()
  * select all items and pass them to a tree
  * 
  * @return void
  */
 public function tree($reload = FALSE)
 {
     // return cached tree if that's ok
     if ($this->_tree !== FALSE && $reload === FALSE) {
         return $this->_tree;
     }
     // clear all
     $this->clear();
     //  sort items by rank
     if ($this->_sortable === TRUE) {
         $this->order_by($this->_table_name . '.rank', 'ASC');
     }
     //get items
     $items = $this->find_all()->as_array();
     // fill up & cache tree
     $this->_tree = Tree::factory($items);
     // return it
     return $this->_tree;
 }

 /**
  * Creates a Tree structure using a Reader driver.
  *
  * @param  RecursiveIterator $it   Iterator to create tree from
  * @param  mixed             $node Internal use only
  * @return Tree                    Tree object
  */
 public static function factory(Tree_Factory_Iterator $it, $node = null)
 {
     if (is_null($node)) {
         $node = new Tree();
     }
     foreach ($it as $v) {
         $newNode = $node->nodes->add(new Tree_Node($v->getTag()));
         if ($v->hasChildren()) {
             Tree::factory($v->getChildren(), $newNode);
         }
     }
     return $node;
 }

 function fetch()
 {
     $config =& $this->locator->get('config');
     $image =& $this->locator->get('image');
     $language =& $this->locator->get('language');
     $url =& $this->locator->get('url');
     $request =& $this->locator->get('request');
     $template =& $this->locator->get('template');
     $head_def =& $this->locator->get('HeaderDefinition');
     $this->modelCore = $this->model->get('model_core');
     if ($config->get('categorymenu_status')) {
         $view = $this->locator->create('template');
         $categorymenu_data = array();
         $list_data = array();
         if (isset($_GET['path'])) {
             $pathlvl = $_GET['path'];
         } else {
             $pathlvl = 0;
         }
         $results = $this->modelCore->get_menucategories();
         $level = explode('_', $pathlvl);
         $level_count = count($level);
         $level_path = $level_count > 1 ? array_slice($level, 0, $level_count - 1) : $level;
         foreach ($results as $result) {
             $path_count = count(explode('_', $result['path']));
             $class = '';
             if ($result['parent_id'] == 0) {
                 // the main menu
                 $class = 'menu_lvl_0';
                 // id of the <ul> tags and class of the <a> tags
                 $id = 'menu_level_0';
                 // id of the <li> tags
                 $type = "block";
                 // display:block or display:none
                 $status = "enabled";
                 $cat_image = $config->get('categorymenu_catimage') ? $image->resize($result['filename'], 16, 16) : '';
             } else {
                 if (in_array($result['parent_id'], $level) && $path_count < 3) {
                     // subcategory if selected
                     $class = 'menu_lvl_' . ($path_count - 1);
                     $id = 'menu_level_' . ($path_count - 1);
                     $type = "none";
                     // by default. Onhover --> block --> <ul> visible
                     $status = "disabled";
                     $cat_image = $config->get('categorymenu_subcatimage') ? $image->resize($result['filename'], 16, 16) : '';
                 } else {
                     // subcategory if not selected
                     $class = 'menu_lvl_' . ($path_count - 1);
                     $id = 'menu_level_' . ($path_count - 1);
                     $type = "none";
                     $status = "disabled";
                     $cat_image = $config->get('categorymenu_subcatimage') ? $image->resize($result['filename'], 16, 16) : '';
                 }
             }
             if ($request->get('path') == $result['path']) {
                 $state = 'active';
                 // if the menu element is selected add new class "active"
             } else {
                 $state = '';
             }
             $products_in_category = $config->get('categorymenu_mcount') ? $this->modelCore->getPrInCat($result['category_id']) : 0;
             if ($class) {
                 $categorymenu_data[$result['category_id']] = array('state' => $state, 'name' => $result['name'], 'href' => $url->href('category', false, array('path' => $result['path'])), 'class' => $class, 'id' => $id, 'type' => $type, 'level' => $path_count - 1, 'status' => $status, 'sort_order' => (int) $result['sort_order'], 'image' => $cat_image, 'products_in_category' => $products_in_category);
                 $list_data[] = $result['path'];
             }
         }
         $new_categorymenu_data = array();
         if ($list_data) {
             $rit = new Tree_Factory_List($list_data, '_');
             $tree = Tree::factory($rit);
             $tree->nodes->traverse('setTags2', $categorymenu_data);
             $tree->usortNodes('cmp2');
             $flatList = $tree->nodes->getFlatList();
             foreach ($flatList as $node) {
                 $tag = $node->getTag();
                 $new_categorymenu_data[] = $tag;
             }
         }
         $view->set('menus', $new_categorymenu_data);
         $view->set('location', $this->modelCore->module_location['categorymenu']);
         // Template Manager
         $view->set('head_def', $head_def);
         $template->set('head_def', $head_def);
         return $view->fetch('module/categorymenu.tpl');
     }
 }

 function fetch()
 {
     $config =& $this->locator->get('config');
     $language =& $this->locator->get('language');
     $url =& $this->locator->get('url');
     $request =& $this->locator->get('request');
     $template =& $this->locator->get('template');
     $head_def =& $this->locator->get('HeaderDefinition');
     $this->modelCore = $this->model->get('model_core');
     if ($config->get('category_status')) {
         $language->load('extension/module/category.php');
         $view = $this->locator->create('template');
         $view->set('heading_title', $language->get('heading_title'));
         $category_data = array();
         $list_data = array();
         if (isset($_GET['path'])) {
             $pathlvl = $_GET['path'];
         } else {
             $pathlvl = 0;
         }
         $results = $this->modelCore->get_categories();
         $level = explode('_', $pathlvl);
         $level_count = count($level);
         $level_path = $level_count > 1 ? array_slice($level, 0, $level_count - 1) : $level;
         foreach ($results as $result) {
             $path_count = count(explode('_', $result['path']));
             $class = '';
             if ($result['parent_id'] == 0) {
                 $class = 'cat_lvl_0';
                 $type = "block";
                 $status = "enabled";
             } else {
                 if (in_array($result['parent_id'], $level)) {
                     $class = 'cat_lvl_' . ($path_count - 1);
                     $type = "block";
                     $status = "enabled";
                 } else {
                     $class = 'cat_lvl_' . ($path_count - 1);
                     $type = "none";
                     $status = "disabled";
                 }
             }
             if ($request->get('path') == $result['path']) {
                 $state = 'active';
             } else {
                 $state = '';
             }
             $products_in_category = $config->get('category_mcount') ? $this->modelCore->getPrInCat($result['category_id']) : 0;
             if ($class) {
                 $category_data[$result['category_id']] = array('state' => $state, 'name' => $result['name'], 'href' => $url->href('category', false, array('path' => $result['path'])), 'class' => $class, 'type' => $type, 'level' => $path_count - 1, 'status' => $status, 'sort_order' => (int) $result['sort_order'], 'products_in_category' => $products_in_category);
                 $list_data[] = $result['path'];
             }
         }
         $new_category_data = array();
         if ($list_data) {
             $rit = new Tree_Factory_List($list_data, '_');
             $tree = Tree::factory($rit);
             $tree->nodes->traverse('setTags', $category_data);
             $tree->usortNodes('cmp');
             $flatList = $tree->nodes->getFlatList();
             foreach ($flatList as $node) {
                 $tag = $node->getTag();
                 $new_category_data[] = $tag;
             }
         }
         $view->set('categories', $new_category_data);
         $view->set('head_def', $head_def);
         $template->set('head_def', $head_def);
         return $view->fetch('module/category.tpl');
     }
 }