<?php

// EasyGiant is a PHP framework for creating and managing dynamic content
//
// Copyright (C) 2009 - 2011  Antonio Gallo
// See COPYRIGHT.txt and LICENSE.txt.
//
// This file is part of EasyGiant
//
// EasyGiant 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 3 of the License, or
// (at your option) any later version.
//
// EasyGiant 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 EasyGiant.  If not, see <http://www.gnu.org/licenses/>.

if (!defined('EG')) die('Direct access not allowed!');

class Theme {

	protected $_data = array();
	protected $_viewFiles = array(); //view files to require
	protected $_lastView = null;
	
	public $baseUrl = null; //the base url of the website: http://domainname
	public $baseUrlSrc = null; //the base url of the website (http://domainname) in the case MOD_REWRITE_MODULE has been set to false

	public $viewArgs = array();
	public $viewStatus = '';
	public $controller = 'controller';
	public $action = '';
	public $currPage; //the URL of the current page
	
	function __construct($controller) {

		$this->controller = $controller;
		$this->baseUrl = MOD_REWRITE_MODULE === true ? '': '/index.php';
		$this->baseUrlSrc = '';
	}


	public function set($values)
	{
		$this->_data = $values;
	}

	public function append($values)
	{
		$this->_data = array_merge($this->_data,$values);
	}

	//clean the $this->viewFiles array
	public function clean() {
		$this->_viewFiles = array();
		$this->_lastView = null;
	}

	public function load($fileName,$option = 'none') {
		if ((strcmp($option,'last') !== 0) and (strcmp($option,'none') !== 0)) {
			throw new Exception('"'.$option. '" argument not allowed in '.__METHOD__.' method');
		}
		if ($option === 'last') {
			$this->_lastView = $fileName;
		} else {
			$this->_viewFiles[] = $fileName;
		}
	}


	public function render() {
		extract($this->_data);

		//find the View subfolder where to look for view files
		$subfolder = isset(Params::$viewSubfolder) ? Params::$viewSubfolder . DS : null;

		foreach ($this->_viewFiles as $file) {
			if (file_exists(ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. ucwords($this->controller) . DS . $file . '.php')) {
				include (ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. ucwords($this->controller) . DS . $file . '.php');
			} else {
				include (ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. $file . '.php');
			}
		}

		if (isset($this->_lastView)) {
			if (file_exists(ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. ucwords($this->controller) . DS . $this->_lastView . '.php')) {
				include (ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. ucwords($this->controller) . DS . $this->_lastView . '.php');
			} else {
				include (ROOT . DS . APPLICATION_PATH . DS . 'Views' . DS .$subfolder. $this->_lastView . '.php');
			}
		}

    }

}