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php-e107/e107_handlers/menu_class.php
2012-05-14 21:02:08 +00:00

296 lines
6.5 KiB
PHP

<?php
/*
* e107 website system
*
* Copyright (C) 2008-2012 e107 Inc (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
*
* e107 Menu Class
*
* $URL$
* $Id$
*/
if(!defined('e107_INIT'))
{
exit();
}
/**
* Retrieve and render site menus
*
* @package e107
* @category e107_handlers
* @version 1.0
* @author Cameron
* @copyright Copyright (c) 2009, e107 Inc.
*
*/
class e_menu
{
/**
* Runtime cached menu data
*
* @var array
*/
public $eMenuActive = array();
/**
* Visibility check cache
*
* @var array
*/
protected $_visibility_cache = array();
/**
* Constructor
*
*/
function __construct()
{
}
/**
* Retrieve menus, check visibility against
* current user classes and current page url
*
*/
public function init()
{
global $_E107;
if(vartrue($_E107['cli']))
{
return;
}
$menu_layout_field = THEME_LAYOUT!=e107::getPref('sitetheme_deflayout') ? THEME_LAYOUT : "";
$menu_data = e107::getCache()->retrieve_sys("menus_".USERCLASS_LIST."_".md5(e_LANGUAGE.$menu_layout_field));
$menu_data = e107::getArrayStorage()->ReadArray($menu_data);
$eMenuArea = array();
// $eMenuList = array();
// $eMenuActive = array(); // DEPRECATED
if(!is_array($menu_data))
{
$menu_qry = 'SELECT * FROM #menus WHERE menu_location > 0 AND menu_class IN ('.USERCLASS_LIST.') AND menu_layout = "'.$menu_layout_field.'" ORDER BY menu_location,menu_order';
if(e107::getDb()->db_Select_gen($menu_qry))
{
while($row = e107::getDb()->db_Fetch())
{
$eMenuArea[$row['menu_location']][] = $row;
}
}
$menu_data['menu_area'] = $eMenuArea;
$menuData = e107::getArrayStorage()->WriteArray($menu_data, false);
e107::getCache()->set_sys('menus_'.USERCLASS_LIST.'_'.md5(e_LANGUAGE.$menu_layout_field), $menuData);
}
else
{
$eMenuArea = $menu_data['menu_area'];
}
$total = array();
foreach($eMenuArea as $area => $val)
{
foreach($val as $row)
{
if($this->isVisible($row))
{
$path = str_replace("/", "", $row['menu_path']);
if(!isset($total[$area]))
{
$total[$area] = 0;
}
$this->eMenuActive[$area][] = $row;
$total[$area]++;
}
}
}
e107::getRender()->eMenuTotal = $total;
}
/**
* Check visibility of a menu against URL
*
* @param array $row menu data
* @return boolean
*/
protected function isVisible($row, $url = '')
{
$iD = varset($row['menu_id']);
if(isset($this->_visibility_cache[$iD]))
{
return $this->_visibility_cache[$iD];
}
$show_menu = TRUE;
$tp = e107::getParser();
if($row['menu_pages'])
{
list ($listtype, $listpages) = explode("-", $row['menu_pages'], 2);
$pagelist = explode("|", $listpages);
// TODO - check against REQUEST_URI, see what would get broken
$check_url = $url ? $url : ($_SERVER['REQUEST_URI'] ? SITEURLBASE.$_SERVER['REQUEST_URI'] : e_SELF.(e_QUERY ? "?".e_QUERY : ''));
switch($listtype)
{
case '1': //show menu
$show_menu = false;
foreach($pagelist as $p)
{
$p = $tp->replaceConstants($p, 'full');
if(substr($p, -1)==='!')
{
$p = substr($p, 0, -1);
if(substr($check_url, strlen($p)*-1) == $p)
{
$show_menu = true;
break 2;
}
}
elseif(strpos($check_url, $p) !== false)
{
$show_menu = true;
break 2;
}
}
break;
case '2': //hide menu
$show_menu = true;
foreach($pagelist as $p)
{
$p = $tp->replaceConstants($p, 'full');
if(substr($p, -1)=='!')
{
$p = substr($p, 0, -1);
if(substr($check_url, strlen($p)*-1) == $p)
{
$show_menu = false;
break 2;
}
}
elseif(strpos($check_url, $p) !== false)
{
$show_menu = false;
break 2;
}
}
break;
} //end switch
} //endif menu_pages
$this->_visibility_cache[$iD] = $show_menu;
return $show_menu;
}
/**
* Render menu area
*
* @param string $parm
* @return string
*/
public function renderArea($parm = '')
{
global $sql, $ns, $tp, $sc_style;
global $error_handler;
$e107 = e107::getInstance();
$tmp = explode(':', $parm);
$buffer_output = true; // Default - return all output.
if(isset($tmp[1])&&$tmp[1]=='echo')
{
$buffer_output = false;
}
if(!array_key_exists($tmp[0], $this->eMenuActive))
{
return;
}
if($buffer_output)
{
ob_start();
}
e107::getRender()->eMenuArea = $tmp[0];
foreach($this->eMenuActive[$tmp[0]] as $row)
{
$this->renderMenu($row['menu_path'], $row['menu_name'], $row['menu_parms']);
}
e107::getRender()->eMenuCount = 0;
e107::getRender()->eMenuArea = null;
if($buffer_output)
{
$ret = ob_get_contents();
ob_end_clean();
return $ret;
}
}
/**
* Render menu
*
* @param string $mpath menu path
* @param string $mname menu name
* @param string $parm menu parameters
* @param boolean $return
* return string if required
*/
public function renderMenu($mpath, $mname, $parm = '', $return = false)
{
global $sql; // required at the moment.
global $ns, $tp, $sc_style, $e107_debug;
$e107 = e107::getInstance();
if($return)
{
ob_start();
}
if(vartrue($error_handler->debug))
{
echo "\n<!-- Menu Start: ".$mname." -->\n";
}
e107::getDB()->db_Mark_Time($mname);
if(is_numeric($mpath))
{
$sql->db_Select("page", "*", "page_id=".intval($mpath)." ");
$page = $sql->db_Fetch();
$caption = $e107->tp->toHTML($page['page_title'], true, 'parse_sc, constants');
$text = $e107->tp->toHTML($page['page_text'], true, 'parse_sc, constants');
e107::getRender()->tablerender($caption, $text);
}
else
{
// not sure what would break this, but it's good idea to go away
e107::loadLanFiles($mpath);
//include once is not an option anymore
//e107_include will break many old menus (evil globals), so we'll wait for a while...
//e107_include(e_PLUGIN.$mpath."/".$mname.".php");
//if(substr($mpath,-1)!='/')
//{
// $mpath .= '/';
//}
$mpath = trim($mpath, '/').'/'; // faster...
$e107_debug ? include(e_PLUGIN.$mpath.$mname.'.php') : @include(e_PLUGIN.$mpath.$mname.'.php');
/*if(file_exists(e_PLUGIN.$mpath."/".$mname.".php"))
{
include_once (e_PLUGIN.$mpath."/".$mname.".php");
}*/
}
e107::getDB()->db_Mark_Time("(After ".$mname.")");
if($error_handler->debug==true)
{
echo "\n<!-- Menu End: ".$mname." -->\n";
}
if($return)
{
$ret = ob_get_contents();
ob_end_clean();
return $ret;
}
}
}