File: /home/mbp/domains/mbp.ac.th/public_html/old/main/lib/excellib.class.php
<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.com //
// //
// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
// (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com //
// //
// 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: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
//setup.php icludes our hacked pear libs first
require_once 'Spreadsheet/Excel/Writer.php';
/**
* Define and operate over one Moodle Workbook.
*
* A big part of this class acts as a wrapper over the PEAR
* Spreadsheet_Excel_Writer_Workbook and OLE libraries
* maintaining Moodle functions isolated from underlying code.
*/
class MoodleExcelWorkbook {
var $pear_excel_workbook;
var $latin_output;
/**
* Constructs one Moodle Workbook.
*
* @param string $filename The name of the file
*/
function MoodleExcelWorkbook($filename) {
global $CFG;
/// Internally, create one PEAR Spreadsheet_Excel_Writer_Workbook class
$this->pear_excel_workbook = new Spreadsheet_Excel_Writer($filename);
/// Prepare it to accept UTF-16LE data and to encode it properly
if (empty($CFG->latinexcelexport)) { /// Only if don't want to use latin (win1252) stronger output
$this->pear_excel_workbook->setVersion(8);
$this->latin_output = false;
} else { /// We want latin (win1252) output
$this->latin_output = true;
}
/// Choose our temporary directory - see MDL-7176, found by paulo.matos
make_upload_directory('temp/excel', false);
$this->pear_excel_workbook->setTempDir($CFG->dataroot.'/temp/excel');
}
/**
* Create one Moodle Worksheet
*
* @param string $name Name of the sheet
*/
function &add_worksheet($name = '') {
/// Create the Moodle Worksheet. Returns one pointer to it
$ws =& new MoodleExcelWorksheet ($name, $this->pear_excel_workbook, $this->latin_output);
return $ws;
}
/**
* Create one Moodle Format
*
* @param array $properties array of properties [name]=value;
* valid names are set_XXXX existing
* functions without the set_ part
* i.e: [bold]=1 for set_bold(1)...Optional!
*/
function &add_format($properties = array()) {
/// Create the Moodle Format. Returns one pointer to it
$ft =& new MoodleExcelFormat ($this->pear_excel_workbook, $properties);
return $ft;
}
/**
* Close the Moodle Workbook
*/
function close() {
$this->pear_excel_workbook->close();
}
/**
* Write the correct HTTP headers
*
* @param string $name Name of the downloaded file
*/
function send($filename) {
$this->pear_excel_workbook->send($filename);
}
}
/**
* Define and operate over one Worksheet.
*
* A big part of this class acts as a wrapper over the PEAR
* Spreadsheet_Excel_Writer_Workbook and OLE libraries
* maintaining Moodle functions isolated from underlying code.
*/
class MoodleExcelWorksheet {
var $pear_excel_worksheet;
var $latin_output;
/**
* Constructs one Moodle Worksheet.
*
* @param string $filename The name of the file
* @param object $workbook The internal PEAR Workbook onject we are creating
*/
function MoodleExcelWorksheet($name, &$workbook, $latin_output=false) {
if (strlen($name) > 31) {
// Excel does not seem able to cope with sheet names > 31 chars.
// With $latin_output = false, it does not cope at all.
// With $latin_output = true it is supposed to work, but in our experience,
// it doesn't. Therefore, truncate in all circumstances.
$textlib = textlib_get_instance();
$name = $textlib->substr($name, 0, 31);
}
/// Internally, add one sheet to the workbook
$this->pear_excel_worksheet =& $workbook->addWorksheet($name);
$this->latin_output = $latin_output;
/// Set encoding to UTF-16LE
if (!$this->latin_output) { /// Only if don't want to use latin (win1252) stronger output
$this->pear_excel_worksheet->setInputEncoding('UTF-16LE');
}
}
/**
* Write one string somewhere in the worksheet
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $str The string to write
* @param mixed $format The XF format for the cell
*/
function write_string($row, $col, $str, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Loading the textlib singleton instance. We are going to need it.
$textlib = textlib_get_instance();
/// Convert the text from its original encoding to UTF-16LE
if (!$this->latin_output) { /// Only if don't want to use latin (win1252) stronger output
$str = $textlib->convert($str, 'utf-8', 'utf-16le');
} else { /// else, convert to latin (win1252)
$str = $textlib->convert($str, 'utf-8', 'windows-1252');
}
/// Add the string safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeString($row, $col, $str, $format);
}
/**
* Write one number somewhere in the worksheet
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param float $num The number to write
* @param mixed $format The XF format for the cell
*/
function write_number($row, $col, $num, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Add the number safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeNumber($row, $col, $num, $format);
}
/**
* Write one url somewhere in the worksheet
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $url The url to write
* @param mixed $format The XF format for the cell
*/
function write_url($row, $col, $url, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Add the url safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeUrl($row, $col, $url, $format);
}
/**
* Write one date somewhere in the worksheet
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $date The date to write in UNIX timestamp format
* @param mixed $format The XF format for the cell
*/
function write_date($row, $col, $date, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Convert the date to Excel format
$timezone = get_user_timezone_offset();
if ($timezone == 99) {
// system timezone offset in seconds
$offset = (int)date('Z');
} else {
$offset = (int)($timezone * HOURSECS * 2);
}
$value = ((usertime($date) + $offset) / 86400) + 25569;
/// Add the date safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeNumber($row, $col, $value, $format);
}
/**
* Write one formula somewhere in the worksheet
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $formula The formula to write
* @param mixed $format The XF format for the cell
*/
function write_formula($row, $col, $formula, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Add the formula safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeFormula($row, $col, $formula, $format);
}
/**
* Write one blanck somewhere in the worksheet
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param mixed $format The XF format for the cell
*/
function write_blank($row, $col, $format=null) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Add the blank safely to the PEAR Worksheet
$this->pear_excel_worksheet->writeBlank($row, $col, $format);
}
/**
* Write anything somewhere in the worksheet
* Type will be automatically detected
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param mixed $token What we are writing
* @param mixed $format The XF format for the cell
*/
function write($row, $col, $token, $format=null) {
/// Analyse what are we trying to send
if (preg_match("/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/", $token)) {
/// Match number
return $this->write_number($row, $col, $token, $format);
} elseif (preg_match("/^[fh]tt?p:\/\//", $token)) {
/// Match http or ftp URL
return $this->write_url($row, $col, $token, '', $format);
} elseif (preg_match("/^mailto:/", $token)) {
/// Match mailto:
return $this->write_url($row, $col, $token, '', $format);
} elseif (preg_match("/^(?:in|ex)ternal:/", $token)) {
/// Match internal or external sheet link
return $this->write_url($row, $col, $token, '', $format);
} elseif (preg_match("/^=/", $token)) {
/// Match formula
return $this->write_formula($row, $col, $token, $format);
} elseif (preg_match("/^@/", $token)) {
/// Match formula
return $this->write_formula($row, $col, $token, $format);
} elseif ($token == '') {
/// Match blank
return $this->write_blank($row, $col, $format);
} else {
/// Default: match string
return $this->write_string($row, $col, $token, $format);
}
}
/**
* Sets the height (and other settings) of one row
*
* @param integer $row The row to set
* @param integer $height Height we are giving to the row (null to set just format withouth setting the height)
* @param mixed $format The optional XF format we are giving to the row
* @param bool $hidden The optional hidden attribute
* @param integer $level The optional outline level (0-7)
*/
function set_row ($row, $height, $format = null, $hidden = false, $level = 0) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Set the row safely to the PEAR Worksheet
$this->pear_excel_worksheet->setRow($row, $height, $format, $hidden, $level);
}
/**
* Sets the width (and other settings) of one column
*
* @param integer $firstcol first column on the range
* @param integer $lastcol last column on the range
* @param integer $width width to set
* @param mixed $format The optional XF format to apply to the columns
* @param integer $hidden The optional hidden atribute
* @param integer $level The optional outline level (0-7)
*/
function set_column ($firstcol, $lastcol, $width, $format = null, $hidden = false, $level = 0) {
/// Calculate the internal PEAR format
$format = $this->MoodleExcelFormat2PearExcelFormat($format);
/// Set the column safely to the PEAR Worksheet
$this->pear_excel_worksheet->setColumn($firstcol, $lastcol, $width, $format, $hidden, $level);
}
/**
* Set the option to hide gridlines on the printed page.
*
* @access public
*/
function hide_gridlines() {
$this->pear_excel_worksheet->hideGridLines();
}
/**
* Set the option to hide gridlines on the worksheet (as seen on the screen).
*
* @access public
*/
function hide_screen_gridlines() {
$this->pear_excel_worksheet->hideScreenGridlines();
}
/**
* Insert a 24bit bitmap image in a worksheet.
*
* @access public
* @param integer $row The row we are going to insert the bitmap into
* @param integer $col The column we are going to insert the bitmap into
* @param string $bitmap The bitmap filename
* @param integer $x The horizontal position (offset) of the image inside the cell.
* @param integer $y The vertical position (offset) of the image inside the cell.
* @param integer $scale_x The horizontal scale
* @param integer $scale_y The vertical scale
*/
function insert_bitmap($row, $col, $bitmap, $x = 0, $y = 0, $scale_x = 1, $scale_y = 1) {
/// Add the bitmap safely to the PEAR Worksheet
$this->pear_excel_worksheet->insertBitmap($row, $col, $bitmap, $x, $y, $scale_x, $scale_y);
}
/**
* Merges the area given by its arguments.
* This is an Excel97/2000 method. It is required to perform more complicated
* merging than the normal setAlign('merge').
*
* @access public
* @param integer $first_row First row of the area to merge
* @param integer $first_col First column of the area to merge
* @param integer $last_row Last row of the area to merge
* @param integer $last_col Last column of the area to merge
*/
function merge_cells($first_row, $first_col, $last_row, $last_col) {
/// Merge cells safely to the PEAR Worksheet
$this->pear_excel_worksheet->mergeCells($first_row, $first_col, $last_row, $last_col);
}
/**
* Returns the PEAR Excel Format for one Moodle Excel Format
*
* @param mixed MoodleExcelFormat object
* @return mixed PEAR Excel Format object
*/
function MoodleExcelFormat2PearExcelFormat($format) {
if ($format) {
return $format->pear_excel_format;
} else {
return null;
}
}
}
/**
* Define and operate over one Format.
*
* A big part of this class acts as a wrapper over the PEAR
* Spreadsheet_Excel_Writer_Workbook and OLE libraries
* maintaining Moodle functions isolated from underlying code.
*/
class MoodleExcelFormat {
var $pear_excel_format;
/**
* Constructs one Moodle Format.
*
* @param object $workbook The internal PEAR Workbook onject we are creating
*/
function MoodleExcelFormat(&$workbook, $properties = array()) {
/// Internally, add one sheet to the workbook
$this->pear_excel_format =& $workbook->addFormat();
/// If we have something in the array of properties, compute them
foreach($properties as $property => $value) {
if(method_exists($this,"set_$property")) {
$aux = 'set_'.$property;
$this->$aux($value);
}
}
}
/**
* Set the size of the text in the format (in pixels).
* By default all texts in generated sheets are 10px.
*
* @param integer $size Size of the text (in pixels)
*/
function set_size($size) {
/// Set the size safely to the PEAR Format
$this->pear_excel_format->setSize($size);
}
/**
* Set weight of the format
*
* @param integer $weight Weight for the text, 0 maps to 400 (normal text),
* 1 maps to 700 (bold text). Valid range is: 100-1000.
* It's Optional, default is 1 (bold).
*/
function set_bold($weight = 1) {
/// Set the bold safely to the PEAR Format
$this->pear_excel_format->setBold($weight);
}
/**
* Set underline of the format
*
* @param integer $underline The value for underline. Possible values are:
* 1 => underline, 2 => double underline
*/
function set_underline($underline) {
/// Set the underline safely to the PEAR Format
$this->pear_excel_format->setUnderline($underline);
}
/**
* Set italic of the format
*/
function set_italic() {
/// Set the italic safely to the PEAR Format
$this->pear_excel_format->setItalic();
}
/**
* Set strikeout of the format
*/
function set_strikeout() {
/// Set the strikeout safely to the PEAR Format
$this->pear_excel_format->setStrikeOut();
}
/**
* Set outlining of the format
*/
function set_outline() {
/// Set the outlining safely to the PEAR Format
$this->pear_excel_format->setOutLine();
}
/**
* Set shadow of the format
*/
function set_shadow() {
/// Set the shadow safely to the PEAR Format
$this->pear_excel_format->setShadow();
}
/**
* Set the script of the text
*
* @param integer $script The value for script type. Possible values are:
* 1 => superscript, 2 => subscript
*/
function set_script($script) {
/// Set the script safely to the PEAR Format
$this->pear_excel_format->setScript($script);
}
/**
* Set color of the format. Used to specify the color of the text to be formatted.
*
* @param mixed $color either a string (like 'blue'), or an integer (range is [8...63])
*/
function set_color($color) {
/// Set the background color safely to the PEAR Format
$this->pear_excel_format->setColor($color);
}
/**
* Set foreground color (top layer) of the format. About formatting colors note that cells backgrounds
* have TWO layers, in order to support patterns and paint them with two diferent colors.
* This method set the color of the TOP layer of the background format. So, when filling
* cells with plain colors (no patterns) this is the method to use.
*
* @param mixed $color either a string (like 'blue'), or an integer (range is [8...63])
*/
function set_fg_color($color) {
/// Set the foreground color safely to the PEAR Format
$this->pear_excel_format->setFgColor($color);
}
/**
* Set background color (bottom layer) of the format. About formatting colors note that cells backgrounds
* have TWO layers, in order to support patterns and paint them with two diferent colors.
* This method set the color of the BOTTOM layer of the background format. So, the color
* specified here only will be visible if using patterns. Use set_fg_color() to fill
* cells with plain colors (no patterns).
*
* @param mixed $color either a string (like 'blue'), or an integer (range is [8...63])
*/
function set_bg_color($color) {
/// Set the background color safely to the PEAR Format
$this->pear_excel_format->setBgColor($color);
}
/**
* Set the fill pattern of the format
* @param integer Optional. Defaults to 1. Meaningful values are: 0-18
* 0 meaning no background.
*/
function set_pattern($pattern=1) {
/// Set the fill pattern safely to the PEAR Format
$this->pear_excel_format->setPattern($pattern);
}
/**
* Set text wrap of the format
*/
function set_text_wrap() {
/// Set the shadow safely to the PEAR Format
$this->pear_excel_format->setTextWrap();
}
/**
* Set the cell alignment of the format
*
* @param string $location alignment for the cell ('left', 'right', etc...)
*/
function set_align($location) {
/// Set the alignment of the cell safely to the PEAR Format
$this->pear_excel_format->setAlign($location);
}
/**
* Set the cell horizontal alignment of the format
*
* @param string $location alignment for the cell ('left', 'right', etc...)
*/
function set_h_align($location) {
/// Set the alignment of the cell safely to the PEAR Format
$this->pear_excel_format->setHAlign($location);
}
/**
* Set the cell vertical alignment of the format
*
* @param string $location alignment for the cell ('top', 'vleft', etc...)
*/
function set_v_align($location) {
/// Set the alignment of the cell safely to the PEAR Format
$this->pear_excel_format->setVAlign($location);
}
/**
* Set the top border of the format
*
* @param integer $style style for the cell. 1 => thin, 2 => thick
*/
function set_top($style) {
/// Set the top border of the cell safely to the PEAR Format
$this->pear_excel_format->setTop($style);
}
/**
* Set the bottom border of the format
*
* @param integer $style style for the cell. 1 => thin, 2 => thick
*/
function set_bottom($style) {
/// Set the bottom border of the cell safely to the PEAR Format
$this->pear_excel_format->setBottom($style);
}
/**
* Set the left border of the format
*
* @param integer $style style for the cell. 1 => thin, 2 => thick
*/
function set_left($style) {
/// Set the left border of the cell safely to the PEAR Format
$this->pear_excel_format->setLeft($style);
}
/**
* Set the right border of the format
*
* @param integer $style style for the cell. 1 => thin, 2 => thick
*/
function set_right($style) {
/// Set the right border of the cell safely to the PEAR Format
$this->pear_excel_format->setRight($style);
}
/**
* Set cells borders to the same style
*
* @param integer $style style to apply for all cell borders. 1 => thin, 2 => thick.
*/
function set_border($style) {
/// Set all the borders of the cell safely to the PEAR Format
$this->pear_excel_format->setBorder($style);
}
/**
* Set the numerical format of the format
* It can be date, time, currency, etc...
*
* @param integer $num_format The numeric format
*/
function set_num_format($num_format) {
/// Set the numerical format safely to the PEAR Format
$this->pear_excel_format->setNumFormat($num_format);
}
}
?>