<?php
/*
 * This file is part of EC-CUBE
 *
 * Copyright(c) 2000-2010 LOCKON CO.,LTD. All Rights Reserved.
 *
 * http://www.lockon.co.jp/
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

/**
 * Http コンテンツ出力を制御するクラス.
 *
 * @author Ryuichi Tokugami
 * @version $Id$
 */
class SC_Display{

    var $response;

    var $device;

    var $autoSet;

    /** SC_View インスタンス */
    var $view;

    var $deviceSeted = false;

    /*
     * TODO php4を捨てたときに ここのコメントアウトを外してね。
     * const('MOBILE',1);
     * const('SMARTPHONE',2);
     * const('PC',10);
     * const('ADMIN',99);
     */

    function SC_Display($hasPrevURL = true, $autoGenerateHttpHeaders = true) {
        require_once(CLASS_EX_REALDIR . "SC_Response_Ex.php");
        $this->response = new SC_Response_Ex();
        $this->autoSet = $autoGenerateHttpHeaders;
        if ($hasPrevURL) {
            $this->setPrevURL();
        }
    }

    function setPrevURL(){
        // TODO SC_SiteSession で実装した方が良さげ
        $objCartSess = new SC_CartSession();
        $objCartSess->setPrevURL($_SERVER['REQUEST_URI']);
    }

    /**
     * LC_Page のパラメータを, テンプレートに設定し, 出力の準備を行う.
     *
     * @param LC_Page $page LC_Page インスタンス
     * @param $is_admin boolean 管理画面を扱う場合 true
     */
    function prepare($page, $is_admin = false){
        if(!$this->deviceSeted || !is_null($this->view)){
            $device = ($is_admin) ? DEVICE_TYPE_ADMIN : $this->detectDevice();
            $this->setDevice($device);
        }
        $this->assignobj($page);
        $this->response->setResposeBody($this->view->getResponse($page->getTemplate()));
    }

    /**
     * リダイレクトを行う.
     *
     * SC_Response::sendRedirect() のラッパーです.
     */
    function redirect($location){
        $this->response->sendRedirect($location);
    }

    /**
     * リロードを行う.
     *
     * SC_Response::reload() のラッパーです.
     */
    function reload($queryString = array(), $removeQueryString = false){
        $this->response->reload($queryString, $removeQueryString);
    }

    function noAction(){
        return;
    }

    /**
     * ヘッダを追加する.
     */
    function addHeader($name, $value){
        $this->response->addHeader($name, $value);
    }

    /**
     * デバイス毎の出力方法を自動で変更する、ファサード
     * Enter description here ...
     */
    function setDevice($device = DEVICE_TYPE_PC){

        switch ($device){
            case DEVICE_TYPE_MOBILE:
                $this->response->setContentType("text/html");
                $this->setView(new SC_MobileView());
                break;
            case DEVICE_TYPE_SMARTPHONE:
                $this->setView(new SC_SmartphoneView());
                break;
            case DEVICE_TYPE_PC:
                $this->setView(new SC_SiteView());
                break;
            case DEVICE_TYPE_ADMIN:
                $this->setView(new SC_AdminView());
        }
        $this->deviceSeted = true;
    }

    /**
     * SC_View インスタンスを設定する.
     */
    function setView($view){
        $this->view = $view;
    }

    /**
     * 機種を判別する。
     * SC_Display::MOBILE = ガラケー = 1
     * SC_Display::SMARTPHONE = スマホ = 2
     * SC_Display::PC = PC = 10
     * ※PHP4の為にconstは使っていません。 1がガラケーで、2がスマホで4がPCです。
     * @return
     */
    function detectDevice(){
        $nu = new Net_UserAgent_Mobile();
        $su = new SC_SmartphoneUserAgent();
        $retDevice = 0;
        if($nu->isMobile()){
            $retDevice = DEVICE_TYPE_MOBILE;
        }elseif ($su->isSmartphone()){
            $retDevice = DEVICE_TYPE_SMARTPHONE;
        }else{
            $retDevice = DEVICE_TYPE_PC;
        }

        if($this->autoSet){
            $this->setDevice($retDevice);
        }
        return $retDevice;
    }

    function assign($val1,$val2){
        $this->view->assign($val1, $val2);
    }

    function assignobj($obj){
        $this->view->assignobj($obj);
    }

    function assignarray($array){
        $this->view->assignarray($array);
    }
}