<?
/************************************************************************************/
/* ArbCMS									   										*/
/* ======									   										*/
/*										   											*/
/* Copyright (C) 2004-2005 by ArbCMS developers					   					*/
/* For more information visit: http://sourceforge.net/projects/arbcms/         	    */
/*										   											*/
/* This program is free software; you can redistribute it and/or		   			*/
/* modify it under the terms of the GNU General Public License			   			*/
/* as published by the Free Software Foundation; either version 2		   			*/
/* of the License, or (at your option) any later version.			   				*/
/*										   											*/
/* This program is distributed in the hope that it will be useful,		   			*/
/* but WITHOUT ANY WARRANTY; without even the implied warranty of		   			*/
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		   			*/
/* GNU General Public License for more details.					   					*/
/*										   											*/
/* You should have received a copy of the GNU General Public License		   		*/
/* along with this program; if not, write to the Free Software			   			*/
/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 	*/
/************************************************************************************/

class CMS_Page {

	var $URL = '';
	var $PARAMS = array();
	var $PAGEHREF = '';
	var $PRINTHREF = '';
	var $id;
	var $page;
	var $type;
	var $template;
	var $keywords;
	var $description;
	var $charset;
	var $title;
	var $path = SITE_NAME;
	var $activePage = array(0);
	var $home_id = 0;

	function CMS_Page() {
		$this->page = (isset($_REQUEST['page']) ? (int)$_REQUEST['page'] : 0);
		if ($this->page < 1) {
			$this->URL = $this->Format_URL($_SERVER["REQUEST_URI"]);
			if (('/'.SITE_PREFIX .$this->URL) == $_SERVER['PHP_SELF']) $this->URL = '';
		} else $this->PARAMS = $_REQUEST;
		$this->POST = $_POST;
		$this->PAGEHREF = $this->BuildUrl($this->URL, $this->PARAMS);
		$print_params = $this->PARAMS;
		$print_params['print'] = 1;
		$this->PRINTHREF = $this->BuildUrl($this->URL, $print_params, false);
	}

	function BuildUrl($address, $params, $ignorePrintUrl = true) {
		$url = '';
		While (list($key, $val) = each($params)) {
			if (!($ignorePrintUrl && ($key == "print")) && $key != 'lang') {
				if ($url != '') $url .= '&';
				$url .= "$key=$val";
			}
		}
		if ($url != '') $url = '/' . SITE_PREFIX . $address . '?' . $url . '&';
		else $url = '/' . SITE_PREFIX . $address . '?';
		return $url;
	}


	function Extract_params($URL) {
		$URLs = explode("?", $URL);
		$paramStr = (isset($URLs[1]) ? $URLs[1] : '');
		if ($paramStr != '') {
			$params = explode('&', $paramStr);
			While (list($key, $val) = each($params)) {
				$statment = explode('=', $val);
				if ($statment[0] != '' && $statment[1] != '')
					$this->PARAMS[urldecode($statment[0])]=urldecode($statment[1]);
			}
		}
		return $URLs[0];
	}

	function Format_URL($URL) {
		$URL = $this->Extract_params($URL);
		$URL = str_replace("\\", "/", $URL);
		$URL = str_replace("\"", "", $URL);
		$URL = str_replace("'", "", $URL);
		$URL = ereg_replace("/+", "/", $URL);
		$URL = trim($URL, '/');
		$URL = strtolower($URL);
		$URL = substr($URL, strlen(SITE_PREFIX));
		return $URL;
	}

	function ProcessParent($id) {
		global $mysql;
		$query = $mysql->Query("SELECT file_id, file_parent_id FROM arb_file WHERE file_id = '" . (int)$id . "' and file_visible = 'T'");
		if ($mysql->NumRows($query) == 1) {
			$this->activePage[] = $res['file_id'];
			$res = $mysql->Fetch();
			if ($res['file_parent_id'] > 0) {
				$this->ProcessParent($res['file_parent_id']);
			}
			return true;
		}
		return true;
	}
	
	function ProcessStartUp() {
		global $mysql;
		$query = $mysql->Query("SELECT file_id, file_parent_id FROM arb_file WHERE file_visible = 'T' AND file_type = 'D' AND file_index = 'T'");
		if ($mysql->NumRows($query) == 1) {
			$res = $mysql->Fetch($query);
			$this->activePage[] = $res['file_id'];
			if ($this->getIndex($res['file_id']) == true) {
				if ($res['file_parent_id'] > 0) {
					$this->ProcessParent($res['file_parent_id']);
				}
			}
		}
		return true;
	}

	function ProcessUrl($URL, $parent = 0) {
		global $mysql, $gnr;
		if ($URL == '') exit;
		$nameLeft = '';
		$pos = strpos($URL, '/');
		if (!($pos===false)) {
			$name = substr($URL, 0, $pos);
			$nameLeft = substr($URL, $pos+1);
		} else $name = $URL;
		if ($name == '') exit;

		$query = $mysql->Query("SELECT file_id, file_type, file_title, file_template_id, file_keywords, file_description, file_lang FROM arb_file WHERE file_name = '" . $name . "' AND file_parent_id = '" . (int)$parent . "' AND file_visible = 'T'");
		if ($mysql->NumRows($query) > 0) {
			$res = $mysql->Fetch($query);
			if ($res['file_type'] == 'D') {
				$this->activePage[] 	= $res['file_id'];
				$this->path 			= $this->path . ' &#187; ' . $res['file_title'];
				$this->title 			= $res['file_title'];
				$this->nameLeft			= $nameLeft;
				if ($nameLeft == '') 	$nameLeft = $this->Index($res['file_id']);
				if ($nameLeft != '') {
					if ($this->ProcessUrl($nameLeft, $res['file_id']) == false) {
						$nameLeft = $this->Index($res['file_id']);
						return $this->ProcessUrl($nameLeft, $res['file_id']);
					} 
					return true;
				}
				else return true;
			} else {
				$this->activePage[] 	= $res['file_id'];
				$this->id				= $res['file_id'];
				$this->type 			= $res['file_type'];
				$this->template			= $res['file_template_id'];
				$this->keywords			= $res['file_keywords'];
				$this->description		= $res['file_description'];
				$this->lang				= $res['file_lang'];
				$this->title			= $res['file_title'];
				if ($nameLeft != '') $this->nameLeft = $nameLeft;
				if ($name != 'index') $this->path = $this->path . ' &#187; ' . $res['file_title'];
				return true;
			}
		} else return false;
	}
	
	function Index($parent) {
		global $mysql;
		$c_query = $mysql->Query("SELECT count(*) as count FROM arb_file WHERE file_parent_id = '" . (int)$parent . "' AND file_name = 'index' AND file_visible = 'T'");
		$c_result = $mysql->Fetch($c_query);
		
		if ($c_result['count'] <= 0) {
			$query = $mysql->Query("SELECT file_name FROM arb_file WHERE file_parent_id = '" . (int)$parent . "' AND file_index = 'T' AND file_visible = 'T' LIMIT 1");	
			if ($mysql->NumRows() == 1) {
				$res = $mysql->Fetch($query);
				return $res['file_name'];
			}
		}
		return 'index';
	}

	function getIndex($parent) {
		global $mysql, $gnr;
		$iQuery = $mysql->Query("SELECT file_id, file_type, file_lang, file_title, file_template_id, file_keywords, file_description, file_lang FROM arb_file WHERE (file_name = 'index' OR file_index = 'T') AND file_parent_id = '$parent' AND file_type = 'F' AND file_visible = 'T' ORDER BY file_id LIMIT 1");
		if ($mysql->NumRows($iQuery) == 1) {
			$iRes = $mysql->Fetch($iQuery);
			$this->activePage[] = $iRes['file_id'];
			$this->id			= $iRes['file_id'];
			$this->type 		= $iRes['file_type'];
			$this->template		= $iRes['file_template_id'];
			$this->keywords		= $iRes['file_keywords'];
			$this->description	= $iRes['file_description'];
			$this->lang			= $iRes['file_lang'];
			$this->title		= $iRes['file_title'];
			$this->path 		= $this->path . ' &#187; ' . $iRes['file_title'];
			return true;
		} else return false;
	}

	function GetUrl() {
		if (!$this->getIndex($this->home_id)) return false;
		if (!empty($this->URL)) {
			$result = $this->ProcessUrl($this->URL);
		} else {
			$result = $this->ProcessStartUp();
		}
		return $result;
	}
}
?>