<?php
/* Copyright (C) 2006-2009 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

/**
 *	\file       htdocs/includes/modules/export/export_excel.modules.php
 *	\ingroup    export
 *	\brief      File of class to generate export file with Excel format
 *	\author	    Laurent Destailleur
 */

require_once(DOL_DOCUMENT_ROOT."/includes/modules/export/modules_export.php");


/**
 *	\class      ExportExcel
 *	\brief      Class to build export files with Excel format
 */
class ExportExcel extends ModeleExports
{
	var $id;
	var $label;
	var $extension;
	var $version;

	var $label_lib;
	var $version_lib;

	var $workbook;      // Handle fichier
	var $worksheet;     // Handle onglet
	var $row;
	var $col;
    var $file;          // To save filename


	/**
	 *	Constructor
	 *
	 *	@param	    db      databse handler
	 */
	function ExportExcel($db)
	{
		global $conf;
		$this->db = $db;

		$this->id='excel';                  // Same value then xxx in file name export_xxx.modules.php
		$this->label='Excel';               // Label of driver
		$this->desc='<b>Excel</b> file format (.xls)<br>This is native Excel 95 format.';
		$this->extension='xls';             // Extension for generated file by this driver
        $this->picto='mime/xls';					// Picto
		$this->version='1.30';             // Driver version

		// If driver use an external library, put its name here
		$this->label_lib='PhpExcel';
		$this->version_lib='1.7.2';

		$this->row=0;
	}

	function getDriverId()
	{
		return $this->id;
	}

	function getDriverLabel()
	{
		return $this->label;
	}

    function getDriverDesc()
    {
        return $this->desc;
    }

	function getDriverExtension()
	{
		return $this->extension;
	}

	function getDriverVersion()
	{
		return $this->version;
	}

	function getLibLabel()
	{
		return $this->label_lib;
	}

	function getLibVersion()
	{
		return $this->version_lib;
	}


	/**
	 *	Open output file
	 *
	 *	@param		file		Path of filename
	 *	@return		int			<0 if KO, >=0 if OK
	 */
	function open_file($file,$outputlangs)
	{
		global $user,$conf,$langs;

		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
		{
		    $outputlangs->charset_output='ISO-8859-1';	// Because Excel 5 format is ISO
		}

		dol_syslog("ExportExcel::open_file file=".$file);
        $this->file=$file;

		$ret=1;

    	$outputlangs->load("exports");
		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
		{
            require_once(PHP_WRITEEXCEL_PATH."class.writeexcel_workbookbig.inc.php");
            require_once(PHP_WRITEEXCEL_PATH."class.writeexcel_worksheet.inc.php");
            require_once(PHP_WRITEEXCEL_PATH."functions.writeexcel_utility.inc.php");
		    $this->workbook = new writeexcel_workbookbig($file);
    		$this->workbook->set_tempdir($conf->export->dir_temp);			// Set temporary directory
    		$this->workbook->set_sheetname($outputlangs->trans("Sheet"));
    		$this->worksheet = &$this->workbook->addworksheet();
		}
		else
		{
            require_once(PHPEXCEL_PATH."PHPExcel.php");
            require_once(PHPEXCEL_PATH."PHPExcel/Style/Alignment.php");
            $this->workbook = new PHPExcel();
            $this->workbook->getProperties()->setCreator($user->getFullName($outputlangs).' - Dolibarr '.DOL_VERSION);
            //$this->workbook->getProperties()->setLastModifiedBy('Dolibarr '.DOL_VERSION);
            $this->workbook->getProperties()->setTitle($outputlangs->trans("Export").' - '.$file);
            $this->workbook->getProperties()->setSubject($outputlangs->trans("Export").' - '.$file);
            $this->workbook->getProperties()->setDescription($outputlangs->trans("Export").' - '.$file);

            $this->workbook->setActiveSheetIndex(0);
            $this->workbook->getActiveSheet()->setTitle($outputlangs->trans("Sheet"));
            $this->workbook->getActiveSheet()->getDefaultRowDimension()->setRowHeight(15);
		}
		return $ret;
	}

	/**
	 *	Write header
	 *
     *	@param      outputlangs                 Object lang to translate values
	 */
	function write_header($outputlangs)
	{
		//$outputlangs->charset_output='ISO-8859-1';	// Because Excel 5 format is ISO

		return 0;
	}


	/**
     *     Output title line into file
     *
     *     @param      array_export_fields_label   Array with list of label of fields
     *     @param      array_selected_sorted       Array with list of field to export
     *     @param      outputlangs                 Object lang to translate values
	 */
	function write_title($array_export_fields_label,$array_selected_sorted,$outputlangs)
	{
		// Create a format for the column headings
		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
		{
		    $outputlangs->charset_output='ISO-8859-1';	// Because Excel 5 format is ISO

		    $formatheader =$this->workbook->addformat();
    		$formatheader->set_bold();
    		$formatheader->set_color('blue');
    		//$formatheader->set_size(12);
    		//$formatheader->set_font("Courier New");
    		//$formatheader->set_align('center');
		}
		else
		{
            $this->workbook->getActiveSheet()->getStyle('1')->getFont()->setBold(true);
		    $this->workbook->getActiveSheet()->getStyle('1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
		}

		$this->col=0;
		foreach($array_selected_sorted as $code => $value)
		{
            $alias=$array_export_fields_label[$code];
			//print "dd".$alias;
			if (empty($alias)) dol_print_error('','Bad value for field with code='.$code.'. Try to redefine export.');
    		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
    		{
    			$this->worksheet->write($this->row, $this->col, $outputlangs->transnoentities($alias), $formatheader);
    		}
    		else
    		{
                $this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($this->col, $this->row+1, $outputlangs->transnoentities($alias));
    		}
			$this->col++;
		}
		$this->row++;
		return 0;
	}

	/**
     *     Output record line into file
     *
     *     @param      array_selected_sorted       Array with list of field to export
     *     @param      objp                        A record from a fetch with all fields from select
     *     @param      outputlangs                 Object lang to translate values
	 */
	function write_record($array_selected_sorted,$objp,$outputlangs)
	{
		// Create a format for the column headings
		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
		{
		    $outputlangs->charset_output='ISO-8859-1';	// Because Excel 5 format is ISO
		}

		// Define first row
		$this->col=0;

		foreach($array_selected_sorted as $code => $value)
		{
			$alias=str_replace(array('.','-'),'_',$code);
            if (empty($alias)) dol_print_error('','Bad value for field with code='.$code.'. Try to redefine export.');
            $newvalue=$objp->$alias;

			$newvalue=$this->excel_clean($newvalue);

			// Traduction newvalue
			if (preg_match('/^\((.*)\)$/i',$newvalue,$reg))
			{
				$newvalue=$outputlangs->transnoentities($reg[1]);
			}
			else
			{
				$newvalue=$outputlangs->convToOutputCharset($newvalue);
			}

			if (preg_match('/^[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]$/i',$newvalue))
			{
        		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
        		{
            		$formatdate=$this->workbook->addformat();
            		$formatdate->set_num_format('yyyy-mm-dd');
            		//$formatdate->set_num_format(0x0f);
        		    $arrayvalue=preg_split('/[.,]/',xl_parse_date($newvalue));
    				//print "x".$arrayvalue[0].'.'.strval($arrayvalue[1]).'<br>';
    				$newvalue=strval($arrayvalue[0]).'.'.strval($arrayvalue[1]);	// $newvalue=strval(36892.521); directly does not work because . will be convert into , later
        		    $this->worksheet->write($this->row, $this->col, $newvalue, PHPExcel_Shared_Date::PHPToExcel($formatdate));
        		}
        		else
        		{
        		    $newvalue=dol_stringtotime($newvalue);
        		    $this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($this->col, $this->row+1, PHPExcel_Shared_Date::PHPToExcel($newvalue));
        		    $coord=$this->workbook->getActiveSheet()->getCellByColumnAndRow($this->col, $this->row+1)->getCoordinate();
        		    $this->workbook->getActiveSheet()->getStyle($coord)->getNumberFormat()->setFormatCode('yyyy-mm-dd');
        		}
			}
			elseif (preg_match('/^[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9]$/i',$newvalue))
			{
				if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
    		    {
            		$formatdatehour=$this->workbook->addformat();
            		$formatdatehour->set_num_format('yyyy-mm-dd hh:mm:ss');
            		//$formatdatehour->set_num_format(0x0f);
            		$arrayvalue=preg_split('/[.,]/',xl_parse_date($newvalue));
    				//print "x".$arrayvalue[0].'.'.strval($arrayvalue[1]).'<br>';
    				$newvalue=strval($arrayvalue[0]).'.'.strval($arrayvalue[1]);	// $newvalue=strval(36892.521); directly does not work because . will be convert into , later
    		        $this->worksheet->write($this->row, $this->col, $newvalue, $formatdatehour);
    		    }
    		    else
    		    {
        		    $newvalue=dol_stringtotime($newvalue);
    		        $this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($this->col, $this->row+1, PHPExcel_Shared_Date::PHPToExcel($newvalue));
        		    $coord=$this->workbook->getActiveSheet()->getCellByColumnAndRow($this->col, $this->row+1)->getCoordinate();
        		    $this->workbook->getActiveSheet()->getStyle($coord)->getNumberFormat()->setFormatCode('yyyy-mm-dd h:mm:ss');
    		    }
			}
			else
			{
				if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
    		    {
			        $this->worksheet->write($this->row, $this->col, $newvalue);
    		    }
    		    else
    		    {
        		    $this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($this->col, $this->row+1, $newvalue);
    		    }
			}
			$this->col++;
		}
		$this->row++;
		return 0;
	}


	/**
     *	Write footer
     *
     *  @param      outputlangs                 Object lang to translate values
     */
	function write_footer($outputlangs)
	{
		return 0;
	}


	/**
     *	Close Excel file
     */
	function close_file()
	{
		if (! empty($conf->global->MAIN_USE_PHP_WRITEEXCEL))
    	{
	        $this->workbook->close();
    	}
    	else
    	{
            require_once(PHPEXCEL_PATH."PHPExcel/Writer/Excel5.php");
    	    $objWriter = new PHPExcel_Writer_Excel5($this->workbook);
            $objWriter->save($this->file);
            $this->workbook->disconnectWorksheets();
            unset($this->workbook);
    	}
		return 0;
	}


	/**
     * Clean a cell to respect rules of Excel file cells
     *
     * @param 	newvalue	String to clean
     * @return 	string		Value cleaned
     */
    function excel_clean($newvalue)
    {
		// Rule Dolibarr: No HTML
    	$newvalue=dol_string_nohtmltag($newvalue);

    	return $newvalue;
    }
}

?>