102 lines
3.2 KiB
PHP
102 lines
3.2 KiB
PHP
<?php
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/*
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* Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
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*
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* PERL Spreadsheet::WriteExcel module.
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*
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* The author of the Spreadsheet::WriteExcel module is John McNamara
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* <jmcnamara@cpan.org>
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*
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* I _DO_ maintain this code, and John McNamara has nothing to do with the
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* porting of this code to PHP. Any questions directly related to this
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* class library should be directed to me.
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*
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* License Information:
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*
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* Spreadsheet_Excel_Writer: A library for generating Excel Spreadsheets
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* Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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require_once __DIR__ . '/Writer/Workbook.php';
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/**
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* Class for writing Excel Spreadsheets. This class should change COMPLETELY.
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*
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* @author Xavier Noguer <xnoguer@rezebra.com>
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* @category FileFormats
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* @package Spreadsheet_Excel_Writer
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*/
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class Spreadsheet_Excel_Writer extends Spreadsheet_Excel_Writer_Workbook
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{
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/**
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* The constructor. It just creates a Workbook
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*
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* @param string $fileName The optional filename for the Workbook.
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*/
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public function __construct($fileName = '')
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{
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$this->fileName = $fileName;
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parent::__construct($fileName);
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}
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/**
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* Send HTTP headers for the Excel file.
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*
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* @param string $filename The filename to use for HTTP headers
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* @access public
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*/
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public function send($filename)
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{
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header('Content-type: application/vnd.ms-excel');
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header('Content-Disposition: attachment; filename="' . $filename .'"');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check=0,pre-check=0');
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header('Pragma: public');
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}
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/**
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* Utility function for writing formulas
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* Converts a cell's coordinates to the A1 format.
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*
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* @access public
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* @static
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* @param integer $row Row for the cell to convert (0-indexed).
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* @param integer $column Column for the cell to convert (0-indexed).
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* @return string The cell identifier in A1 format
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*/
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public function rowcolToCell($row, $column)
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{
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if ($column > 255) { //maximum column value exceeded
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return new PEAR_Error('Maximum column value exceeded: ' . $column);
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}
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$int = (int)($column / 26);
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$frac = $column % 26;
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$chr1 = '';
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if ($int > 0) {
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$chr1 = chr(ord('A') + $int - 1);
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}
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$chr2 = chr(ord('A') + $frac);
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++$row;
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return $chr1 . $chr2 . $row;
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}
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}
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