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<?php
/**
* ChronoCMS version 1.0
* Copyright (c) 2012 ChronoCMS.com, All rights reserved.
* Author: (ChronoCMS.com Team)
* license: Please read LICENSE.txt
* Visit http://www.ChronoCMS.com for regular updates and information.
**/
namespace GCore\Libs;
/* @copyright:ChronoEngine.com @license:GPLv2 */defined('_JEXEC') or die('Restricted access');
defined("GCORE_SITE") or die;
class Document {
	var $cssfiles = array();
	var $csscodes = array();
	var $jsfiles = array();
	var $jscodes = array();
	var $headertags = array();
	var $modules = null;
	var $lang = '';
	var $url = '';
	var $direction = '';
	var $site = '';
	var $thread = 'gcore';
	var $title = array();
	var $meta = array();
	var $base = '';
	var $theme = '';

public static function getInstance($site = GCORE_SITE, $thread = 'gcore'){
		static $instances;
		if(!isset($instances)){
			$instances = array();
		}
		if(empty($instances[$site][$thread])){
			$instances[$site][$thread] = new Document($site, $thread);
			return $instances[$site][$thread];
		}else{
			return $instances[$site][$thread];
		}
	}

function addHeaderTag($code = ''){
		if(!empty($code)){
			$this->headertags[] = $code;
		}
	}

function _reset(){
		$this->cssfiles = array();
		$this->csscodes = array();
		$this->jsfiles = array();
		$this->jscodes = array();
		$this->headertags = array();
	}

function addCssCode($content, $media = 'screen'){
		if(!isset($this->csscodes[$media])){
			$this->csscodes[$media] = array();
		}
		if(!in_array($content, $this->csscodes[$media])){
			$this->csscodes[$media][] = $content;
		}
	}

function addJsCode($content, $type = 'text/javascript'){
		if(!isset($this->jscodes[$type])){
			$this->jscodes[$type] = array();
		}
		if(!in_array($content, $this->jscodes[$type])){
			$this->jscodes[$type][] = $content;
		}
	}

function addMeta($params = array()){
		if(!empty($params)){
			$this->meta[] = $params;
		}
	}

function getFavicon(){
		$data = array('rel' => 'shortcut icon', 'href' => \GCore\Helpers\Assets::image('favicon.ico'));
		return \GCore\Helpers\Html::_concat($data, array_keys($data), '<link ', ' />');
	}

function setTitle($title = ''){
		$this->title[] = $title;
	}

function getTitle(){
		if(Base::getConfig('prepend_site_title', 1) == 1){
			array_unshift($this->title, Base::getConfig('site_title'));
		}
		return '<title>'.implode(' - ', array_filter($this->title)).'</title>';
	}

function getBase(){
		if(!empty($this->base)){
			return '<base href="'.$this->base.'" />';
		}
		if($this->site != 'admin'){
			return '<base href="'.Url::root().'" />';
		}
		return '';
	}

function getHeader(){
		return '__GCORE_HEADER__';
	}

function getBody(){
		$app = App::getInstance($this->site, $this->thread);
		return $app->getBuffer();
	}

function fetchModules($site = ''){
		if(!is_null($this->modules)){
			return $this->modules;
		}

if(empty($site)){
			$site = $this->site;
		}
		$module_model = new \GCore\Admin\Models\Module();
		$modules = $module_model->find('all', array(
			'conditions' => array('Module.site' => $site, 'Module.published' => 1),
			'order' => array('Module.level'),
			'recursive' => -1,
			'cache' => true,
		));
		return $this->modules = $modules;
	}

function getSystemMessages(){
		return '__GCORE_SYSTEM_MESSAGES__';
	}
}