<?php
/*
* Module written by Herman Kuiper <herman@ozuzo.net>
*
* License Information:
*
* Spreadsheet_Excel_Writer: A library for generating Excel Spreadsheets
* Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//require_once('PEAR.php');
// Possible operator types
/*
FIXME: change prefixes
*/
define("OP_BETWEEN", 0x00);
define("OP_NOTBETWEEN", 0x01);
define("OP_EQUAL", 0x02);
define("OP_NOTEQUAL", 0x03);
define("OP_GT", 0x04);
define("OP_LT", 0x05);
define("OP_GTE", 0x06);
define("OP_LTE", 0x07);
/**
* Baseclass for generating Excel DV records (validations)
*
* @author Herman Kuiper
* @category FileFormats
* @package Spreadsheet_Excel_Writer
*/
class Spreadsheet_Excel_Writer_Validator
{
var $_type;
var $_style;
var $_fixedList;
var $_blank;
var $_incell;
var $_showprompt;
var $_showerror;
var $_title_prompt;
var $_descr_prompt;
var $_title_error;
var $_descr_error;
var $_operator;
var $_formula1;
var $_formula2;
/**
* The parser from the workbook. Used to parse validation formulas also
* @var Spreadsheet_Excel_Writer_Parser
*/
var $_parser;
function Spreadsheet_Excel_Writer_Validator(&$parser)
{
$this->_parser = $parser;
$this->_type = 0x01; // FIXME: add method for setting datatype
$this->_style = 0x00;
$this->_fixedList = false;
$this->_blank = false;
$this->_incell = false;
$this->_showprompt = false;
$this->_showerror = true;
$this->_title_prompt = "\x00";
$this->_descr_prompt = "\x00";
$this->_title_error = "\x00";
$this->_descr_error = "\x00";
$this->_operator = 0x00; // default is equal
$this->_formula1 = '';
$this->_formula2 = '';
}
function setPrompt($promptTitle = "\x00", $promptDescription = "\x00", $showPrompt = true)
{
$this->_showprompt = $showPrompt;
$this->_title_prompt = $promptTitle;
$this->_descr_prompt = $promptDescription;
}
function setError($errorTitle = "\x00", $errorDescription = "\x00", $showError = true)
{
$this->_showerror = $showError;
$this->_title_error = $errorTitle;
$this->_descr_error = $errorDescription;
}
function allowBlank()
{
$this->_blank = true;
}
function onInvalidStop()
{
$this->_style = 0x00;
}
function onInvalidWarn()
{
$this->_style = 0x01;
}
function onInvalidInfo()
{
$this->_style = 0x02;
}
function setFormula1($formula)
{
// Parse the formula using the parser in Parser.php
$error = $this->_parser->parse($formula);
if (PEAR::isError($error)) {
return $this->_formula1;
}
$this->_formula1 = $this->_parser->toReversePolish();
if (PEAR::isError($this->_formula1)) {
return $this->_formula1;
}
return true;
}
function setFormula2($formula)
{
// Parse the formula using the parser in Parser.php
$error = $this->_parser->parse($formula);
if (PEAR::isError($error)) {
return $this->_formula2;
}
$this->_formula2 = $this->_parser->toReversePolish();
if (PEAR::isError($this->_formula2)) {
return $this->_formula2;
}
return true;
}
function _getOptions()
{
$options = $this->_type;
$options |= $this->_style << 3;
if ($this->_fixedList) {
$options |= 0x80;
}
if ($this->_blank) {
$options |= 0x100;
}
if (!$this->_incell) {
$options |= 0x200;
}
if ($this->_showprompt) {
$options |= 0x40000;
}
if ($this->_showerror) {
$options |= 0x80000;
}
$options |= $this->_operator << 20;
return $options;
}
function _getData()
{
$title_prompt_len = strlen($this->_title_prompt);
$descr_prompt_len = strlen($this->_descr_prompt);
$title_error_len = strlen($this->_title_error);
$descr_error_len = strlen($this->_descr_error);
$formula1_size = strlen($this->_formula1);
$formula2_size = strlen($this->_formula2);
$data = pack("V", $this->_getOptions());
$data .= pack("vC", $title_prompt_len, 0x00) . $this->_title_prompt;
$data .= pack("vC", $title_error_len, 0x00) . $this->_title_error;
$data .= pack("vC", $descr_prompt_len, 0x00) . $this->_descr_prompt;
$data .= pack("vC", $descr_error_len, 0x00) . $this->_descr_error;
$data .= pack("vv", $formula1_size, 0x0000) . $this->_formula1;
$data .= pack("vv", $formula2_size, 0x0000) . $this->_formula2;
return $data;
}
}
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