175 lines
4.5 KiB
PHP
175 lines
4.5 KiB
PHP
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<?php
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/**
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* @version $Id: AbstractRokMenuFormatter.php 4585 2012-10-27 01:44:54Z btowles $
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* @author RocketTheme http://www.rockettheme.com
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* @copyright Copyright (C) 2007 - 2013 RocketTheme, LLC
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
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*/
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require_once(dirname(__FILE__) . '/RokMenuFormatter.php');
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/**
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*
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*/
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abstract class AbstractRokMenuFormatter implements RokMenuFormatter
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{
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protected $active_branch = array();
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protected $args = array();
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protected $current_node = 0;
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/**
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* @param $args
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* @return void
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*/
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public function __construct(&$args)
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{
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$this->args =& $args;
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}
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/**
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* @param $current_node
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* @return void
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*/
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public function setCurrentNodeId($current_node)
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{
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$this->current_node = $current_node;
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}
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/**
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* @param $active_branch
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* @return void
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*/
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public function setActiveBranch(array $active_branch)
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{
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$this->active_branch = $active_branch;
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}
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/**
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* @param $menu
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* @return void
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*/
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public function format_tree(&$menu)
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{
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if (!empty($menu) && $menu !== false)
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{
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$this->_default_format_menu($menu);
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$this->format_menu($menu);
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$nodeIterator = new RecursiveIteratorIterator($menu, RecursiveIteratorIterator::SELF_FIRST);
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foreach ($nodeIterator as $node)
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{
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$this->_format_subnodes($node);
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}
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}
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}
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/**
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* @param $node
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* @return void
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*/
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protected function _format_subnodes(&$node)
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{
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if ($node->getId() == $this->current_node)
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{
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$node->setCssId('current');
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}
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if (array_key_exists($node->getId(), $this->active_branch))
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{
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$node->addListItemClass('active');
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}
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$this->format_subnode($node);
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}
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/**
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* @param $menu
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* @return void
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*/
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protected function _default_format_menu(&$menu)
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{
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// Limit the levels of the tree is called for By limitLevels
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$start = $this->args['startLevel'];
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$end = $this->args['endLevel'];
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if ($this->args['limit_levels'])
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{
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//Limit to the active path if the start is more the level 0
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if ($start > 0)
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{
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$found = false;
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// get active path and find the start level that matches
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if (count($this->active_branch))
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{
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foreach ($this->active_branch as $active_child)
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{
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if ($active_child->getLevel() == $start - 1)
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{
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$menu->resetTop($active_child->getId());
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$found = true;
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break;
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}
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}
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}
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if (!$found)
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{
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$menu->setChildren(array());
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}
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}
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//remove lower then the defined end level
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$menu->removeLevel($end);
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}
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$always_show_menu = false;
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if (!array_key_exists('showAllChildren', $this->args) && $start==0)
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{
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$always_show_menu = true;
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}
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elseif (array_key_exists('showAllChildren', $this->args))
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{
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$always_show_menu = $this->args['showAllChildren'];
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}
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if (!$always_show_menu)
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{
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if ($menu->hasChildren())
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{
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if (count($this->active_branch) == 0 || empty($this->active_branch))
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{
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$menu->removeLevel($start);
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}
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else
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{
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$active = array_keys($this->active_branch);
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foreach ($menu->getChildren() as $toplevel)
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{
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if (array_key_exists($toplevel->getId(), $this->active_branch) !== false)
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{
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end($active);
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$menu->removeIfNotInTree($active, current($active));
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}
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else
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{
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if (count($this->active_branch) > 0)
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$menu->removeLevelFromNonActive($this->active_branch, end($this->active_branch)->getLevel());
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}
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}
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}
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}
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}
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}
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/**
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* @param $menu
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* @return void
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*/
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public function format_menu(&$menu)
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{
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}
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}
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