<?php
/**
 * The control file of file module of ZenTaoMS.
 *
 * ZenTaoMS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *                                                                             
 * ZenTaoMS 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with ZenTaoMS.  If not, see <http://www.gnu.org/licenses/>.  
 *
 * @copyright   Copyright 2009-2010 青岛易软天创网络科技有限公司(www.cnezsoft.com)
 * @author      Chunsheng Wang <chunsheng@cnezsoft.com>
 * @package     file
 * @version     $Id$
 * @link        http://www.zentaoms.com
 */
class file extends control
{
    /* 生成文件上传的表单。*/
    public function buildForm($fileCount = 2)
    {
        $this->view->fileCount = $fileCount;
        $this->display();
    }

    /* 下载一个文件。*/
    public function download($fileID)
    {
        $file = $this->file->getById($fileID);
        if(file_exists($file->realPath))$this->locate($file->webPath);
        $this->app->error("The file you visit $fileID not found.", __FILE__, __LINE__, true);
    }

    /* 导出csv格式的文件。*/
    public function export2csv($agent)
    {
        $fileName   = $this->post->fileName;
        $csvData    = stripslashes($this->post->csvData);

        /* 如果是中文，尝试将编码转为gbk. */
        $clientLang = $this->app->getClientLang();
        if($clientLang == 'zh-cn' or $clientLang == 'zh-tw')
        {
            if(function_exists('mb_convert_encoding'))
            {
                $csvData = @mb_convert_encoding($csvData, 'gbk', 'utf-8');
            }
            elseif(function_exists('iconv'))
            {
                $csvData = @iconv('utf-8', 'gbk', $csvData);
            }
        }

        if(strpos($fileName, '.csv') === false) $fileName .= '.csv';
        if($agent == 'ie') $fileName = urlencode($fileName);
        header('Content-type: application/csv');
        header("Content-Disposition: attachment; filename=$fileName");
        header("Pragma: no-cache");
        header("Expires: 0");
        echo $csvData;
        die();
    }
}