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/**
* Converter
*
* Library of spreadsheet range conversion functions to return cell contents as strings, applying the spreadsheet formats defined for the cell(s).
*
* <pre>
* Usage:
* var converter = Converter.init(ss.getSpreadsheetTimeZone(),
* ss.getSpreadsheetLocale());
* // Get formats from range
* var numberFormats = range.getNumberFormats();
* for (row=0;row<data.length;row++) {
* for (col=0;col<data[row].length;col++) {
* // Get formatted data
* var cellText = converter.convertCell(data[row][col],numberFormats[row][col]);
* Logger.log(cellText);
* }
* }
* </pre>
*
* Copyright (c) 2014, David Bingham, All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
var thisInstance_ = this;
/**
* Utility function to test object class.
* Note: does not work on Google Apps Script service classes.
*
* Example: Logger.log(toClass_.call(someday)); logs [object Date]
* if (objIsClass_(someday,"Date")) ...
*
* from http://javascript.info/tutorial/type-detection
*/
var toClass_ = {}.toString;
function objIsClass_(object,class) {
return (toClass_.call(object).indexOf(class) !== -1);
}
/**
* Initialize Converter to use a specific time zone and locale. This is optional, as
* the library will use the script Session settings by default. Those defaults may
* be different than the Spreadsheet settings, which could result in incorrect
* dates and times.
*
* Caveat: localization stubbed for future development.
*
<pre>
Usage:
var values = Converter.init(ss.getSpreadsheetTimeZone(),
ss.getSpreadsheetLocale())
.convertRange(range);
</pre>
*
* @param {String} tzone Timezone to use for date/time interpretation
* @param {String} locale Locale to use for default date/time/currency.
*
* @return {Converter} this object, for chaining
*/
function init( tzone, locale ) { // Constructor
thisInstance_.tzone = tzone || thisInstance_.tzone || Session.getScriptTimeZone();
thisInstance_.locale = locale || thisInstance_.locale || Session.getActiveUserLocale(); // For future localization of numbers, times, dates.
return thisInstance_;
}
/**
* Performs conversion of range values according to range formats.
*
<pre>
Usage:
var values = Converter.convertRange(range);
</pre>
*
*
* @param {Object} range Spreadsheet range to convert
*
* @return {Array} 2-D array of Strings. e.g.
<pre>
[["Stock", "Company", "Shares", "Value", "% Port", "% Goal", "C. Price"],
["AAPL", "Apple Inc.", "200", "$19596.00", "15.73%", "15.00%", "$97.98"],
["AMZN", "Amazon.com, Inc.", "25", "$8340.75", "6.70%", "15.00%", "$333.63"],
["Totals", "", "", "$124571.28", "100.00%", "100.00%", ""]]
</pre>
*/
function convertRange(range){
// Must have 1 parameter that is a range object
if (arguments.length !== 1 || Object.keys(range).indexOf("getValues") === -1)
throw new Error( 'Invalid parameter(s)' );
// Read range contents
var data = range.getValues();
// Get formats from range
var numberFormats = range.getNumberFormats();
// Build output array
var result = [];
// Populate rows
for (row=0;row<data.length;row++) {
result[row] = [];
for (col=0;col<data[row].length;col++) {
// Get formatted data
result[row][col] = convertCell(data[row][col],numberFormats[row][col]);
}
}
//debugger;
return result;
}
function test_convertRange_() {
var ss = SpreadsheetApp.openById('1ujI8lmwj1SBiNA1Sg99RXYOECEIbDGAFCnR4ISRCjuE');
var range = ss.getActiveSheet().getDataRange();
// Get ready to convert data
var converter = init(ss.getSpreadsheetTimeZone(),
ss.getSpreadsheetLocale());
var vals = converter.convertRange(range);
debugger;
}
/**
* Return a string containing an HTML table representation
* of the given range, preserving style settings.
*
<pre>
Usage:
var values = Converter.convertRange2html(range);
</pre>
*
* @param {Range} range Spreadsheet range to render as HTML
*
* @returns {String} HTML version of range, e.g.
<pre>
<table cellspacing...>
<colgroup>
<col width="62">
<col width="150">
</colgroup>
<tbody>
<tr style="height: 21px;">
<td style="...>Stock</td>
<td style="...>Company</td>
</tr>
<tr style=3D"height: 21px;">
<td style="...>AAPL</td>
<td style="...>Apple Inc.</td>
</tr>
</tbody>
</table>
</pre>
*/
function convertRange2html(range){
var ss = range.getSheet().getParent();
var sheet = range.getSheet();
startRow = range.getRow();
startCol = range.getColumn();
lastRow = range.getLastRow();
lastCol = range.getLastColumn();
// Get ready to convert data
var converter = thisInstance_.init();
// Read table contents
var data = range.getValues();
// Get css style attributes from range
var fontColors = range.getFontColors();
var backgrounds = range.getBackgrounds();
var fontFamilies = range.getFontFamilies();
var fontSizes = range.getFontSizes();
// getFontLines() ignores strike-through if cell also uses underline
// https://code.google.com/p/google-apps-script-issues/issues/detail?id=4200
var fontLines = range.getFontLines();
var fontStyles = range.getFontStyles();
var fontWeights = range.getFontWeights();
var horizontalAlignments = range.getHorizontalAlignments();
var verticalAlignments = range.getVerticalAlignments();
// https://code.google.com/p/google-apps-script-issues/issues/detail?id=4187
// Reported widths and heights can be incorrect, with "default" values.
// If we read GAS defaults (120 wide, 17 high) replace with sheets defaults
// (100 wide, 21 high). Will be wrong sometimes, but not with defaults!
// Get column widths in pixels
var colWidths = [];
var tableWidth = 0;
for (var col=startCol; col<=lastCol; col++) {
colWidths.push(120==sheet.getColumnWidth(col)?100:sheet.getColumnWidth(col));
tableWidth += colWidths[colWidths.length-1];
}
// Get Row heights in pixels
var rowHeights = [];
for (var row=startRow; row<=lastRow; row++) {
rowHeights.push(17==sheet.getRowHeight(row)?21:sheet.getRowHeight(row));
}
// Get formats from range
var numberFormats = range.getNumberFormats();
// Future consideration...
//var wraps = range.getWraps();
// Build HTML Table, with inline styling for each cell
// Default cell styling appears in table or row, so only minimal overrides need to be given for each cell
var tableFormat = 'cellspacing="0" cellpadding="0" dir="ltr" border="1" style="width:TABLEWIDTHpx;table-layout:fixed;font-size:10pt;font-family:arial,sans,sans-serif;border-collapse:collapse;border:1px solid #ccc;font-weight:normal;color:black;background-color:white;text-align:right;text-decoration:none;font-style:normal;"';
var html = ['<table '+tableFormat+'>'];
// Column widths appear outside of table rows
html.push('<colgroup>');
for (col=0;col<colWidths.length;col++) {
html.push('<col width=XXX>'.replace('XXX',colWidths[col]))
}
html.push('</colgroup>');
html.push('<tbody>');
// Populate rows
for (row=0;row<data.length;row++) {
html.push('<tr style="height:XXXpx;vertical-align:bottom;">'.replace('XXX',rowHeights[row]));
for (col=0;col<data[row].length;col++) {
// Get formatted data
var cellText = converter.convertCell(data[row][col],numberFormats[row][col],true);
var style = 'style="'
+ 'padding:2px 3px; '
+ 'color:XXX;'.replace('XXX',fontColors[row][col].replace('general-','')).replace('color:black;','')
+ 'font-family:XXX;'.replace('XXX',fontFamilies[row][col]).replace('font-family:arial,sans,sans-serif;','')
+ 'font-size:XXXpt;'.replace('XXX',fontSizes[row][col]).replace('font-size:10pt;','')
+ 'font-weight:XXX;'.replace('XXX',fontWeights[row][col]).replace('font-weight:normal;','')
+ 'background-color:XXX;'.replace('XXX',backgrounds[row][col]).replace('background-color:white;','')
+ 'text-align:XXX;'.replace('XXX', horizontalAlignments[row][col]
.replace('general-','')
.replace('general','center')).replace('text-align:right;','')
+ 'vertical-align:XXX;'.replace('XXX',verticalAlignments[row][col]).replace('vertical-align:bottom;','')
+ 'text-decoration:XXX;'.replace('XXX',fontLines[row][col]).replace('text-decoration:none;','')
+ 'font-style:XXX;'.replace('XXX',fontStyles[row][col]).replace('font-style:normal;','')
+ 'border:1px solid black;' // Need this, to override caja-guest td border-bottom
+ 'overflow:hidden;'
+'"';
html.push('<td XXX>'.replace('XXX',style)
+String(cellText)
+'</td>');
}
html.push('</tr>');
}
html.push('</tbody>');
html.push('</table>');
//debugger;
//return '<!--StartFragment--><meta name="generator" content="Sheets"><style type="text/css"><!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--></style><table cellspacing="0" cellpadding="0" dir="ltr" border="1" style="table-layout:fixed;font-size:13px;font-family:arial,sans,sans-serif;border-collapse:collapse;border:1px solid #ccc"><colgroup><col width="100"><col width="155"><col width="100"></colgroup><tbody><tr style="height:21px;"><td style="padding:2px 3px 2px 3px;vertical-align:bottom;background-color:#ffff00;border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:1px solid #000000;border-left:1px solid #000000;" data-sheets-value="[null,2,"100px wide"]">100px wide</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;background-color:#000000;border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:1px solid #000000;font-family:georgia;font-size:140%;font-style:italic;color:#00ffff;" data-sheets-value="[null,2,"Blue/Black"]">Blue/Black</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-top:1px solid #000000;border-right:1px solid #000000;border-bottom:1px solid #000000;text-align:right;" data-sheets-value="[null,3,null,2]">2</td></tr><tr style="height:21px;"><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;border-left:1px solid #000000;text-align:right;" data-sheets-value="[null,3,null,2.3]">2.3</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;font-family:courier new,monospace;text-decoration:underline line-through;" data-sheets-value="[null,2,"155 px wide"]">155 px wide</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;text-align:right;" data-sheets-value="[null,3,null,41839]" data-sheets-numberformat="[null,5]" data-sheets-formula="=today()">7/19/2014</td></tr><tr style="height:30px;"><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;border-left:1px solid #000000;font-weight:bold;color:#ff0000;text-align:center;" data-sheets-value="[null,3,null,41822]" data-sheets-numberformat="[null,5,"M/d/yyyy",1]">7/2/2014</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;"></td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;font-family:georgia;font-weight:bold;" data-sheets-value="[null,2,"sadf"]">sadf</td></tr><tr style="height:50px;"><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;border-left:1px solid #000000;text-decoration:underline line-through;vertical-align:top;text-align:right;" data-sheets-value="[null,2,"asr"]">asr</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;font-size:360%;vertical-align:bottom;" data-sheets-value="[null,2,"asdf"]">asdf</td><td style="padding:2px 3px 2px 3px;vertical-align:bottom;border-right:1px solid #000000;border-bottom:1px solid #000000;vertical-align:middle;text-align:center;" data-sheets-value="[null,2,"100 px wide"]">100 px wide</td></tr></tbody></table><!--EndFragment-->'
return html.join('').replace('TABLEWIDTH',tableWidth);
}
/**
* Performs conversion of cell contents according to their spreadsheet format.
*
<pre>
Usage:
Logger.log( Converter.convertCell(1234.56,"0.00E+00") );
... logs "1.23E+3"
</pre>
*
* @param {Object} cellText Contents of a cell
* @param {String} format Spreadsheet format to use in conversion
* @param {Boolean} htmlReady (optional) Set true if strings should be html-friendly.
* Default is false, output is plain text.
*
* @return {String} Formatted string. May contain HTML, depending on
* htmlReady.
*/
function convertCell(cellText,format,htmlReady) {
// Must have 2 or 3 parameters, format must be string
if (arguments.length < 2 || !objIsClass_(format,"String"))
throw new Error( 'Invalid parameter(s)' );
htmlReady = htmlReady || false;
thisInstance_.init(); // Ensure instance variables are set
if (cellText === null) return ''; // Not much to do with blank cells - just return an empty string
// Treat all dates & times the same; we can adapt the spreadsheet formats
if (objIsClass_(cellText,"Date")) {
return( convertDateTime_(cellText,format) );
}
// Numbers come in many flavours; which do we have?
if (objIsClass_(cellText,"Number")){
// General - Not so much a format, more of a guideline.
if (format === "0.###############" || format === '') {
if (Math.abs(cellText) >= 1000000000000010 )
return convertExponential_(cellText,5); // Overflow - automatic exponential, 5 fraction digits
else
return String(cellText);
}
// Padded decimal numbers
// Interpret Default number format as a padded decimal
if (format === '@') format = '0.###############';
// Padded decimal numbers; zero or more of # and/or 0 and optional ','
// separators, optionally followed by a radix '.' and one or more of # and/or 0.
// Also need to allow for misplaced ',' in fraction.
var re = /^([#0,]+)([\.]?)([#0,]*)$/
var paddedDecimal = re.test(format);
if (paddedDecimal) {
var thous = format.match(/,/) ? ',' : ''; // Check for thousand separators, remember
format = format.replace(/,/g,''); // and remove them
var parts = format.match(re); // Parts[1] is integer part, parts[2] is radix (null if none), parts[3] is fraction
var whole = parts[1];
var wholeMin = whole.replace(/[^0]/g,'').length; // minimum digits in whole part expressed by count of zeros
var wholeMax = whole.length; // max digits in whole is length of zeros & #
var fract = parts[3];
var fractMin = fract.replace(/[^0]/g,'').length; // min digits in frac expressed by count of zeros
var fractMax = fract.length; // max digits in frac is length of zeros & #
return convertPadded_(cellText,fractMax,fractMin,wholeMin,thous);
}
// Currency
if (format.indexOf('$') !== -1) {
var options = {htmlReady:htmlReady};
// find out position of currency symbol
if (format.slice(-1) === "]") options.symLoc = "after";
// and what the symbol is - the default $ will be handled by the converter,
// here we are looking for the symbol mapper, e.g. [$€], and isolating the
// target currency symbol, e.g. €, along with any included text or punctuation.
var matches = format.match(/\[\$(.*?)\]/);
if (matches) options.symbol = matches[1];
// find the fraction precision
matches = format.match(/\.(0*?)($|[^0])/);
var fract = matches ? matches[1].length : 0;
// are brackets in use?
matches = format.match(/\(.*\)/);
if (matches) options.negBrackets = true;
/* how about coloring negatives?
* Color# (where # is replaced by a number between 1-56 to choose from a different variety of colors)
* ... this is problematic. Should find out what the RGB of those 56 colors are,
* and map them. In the mean time, can result in browser console messages.
*/
matches = format.match(/;\[(.*?)\]/);
if (matches) options.negColor = matches[1];
// Then call the currency converter
return convertCurrency_(cellText,fract,options);
}
// Percent
if (format.indexOf('%') !== -1) {
var matches = format.match(/\.(0*?)%/);
var fract = matches ? matches[1].length : 0; // Fractional part
return convertPercent_(cellText,fract);
}
// Exponentials
var expon = format.match(/\.(0*?)E\+/);
if (expon) {
//var fract = format.match(/\.(0*?)E\+/)[1].length; // Fractional part
var fract = expon[1].length; // Fractional part
return convertExponential_(cellText,fract);
}
// Fraction
if (format.indexOf('?\/?') !== -1) {
matches = format.match(/(\?*?)\//);
var precision = matches ? matches[1].length : 1; // Fractional part
return convertFraction_(cellText,precision);
}
if (this[format]) { // TODO: kill off, then stop calling stand-alone converters
return converter_[format](cellText);
}
else {
Logger.log("Unsupported format '"+format+"', cell='"+cellText+"'");
return cellText;
}
}
// No previous condition met, cell contains a string.
var result = String(cellText);
// Sanitize string if output is for html
if (htmlReady) result = result.replace(/ /g," ").replace(/</g,"<").replace(/\n/g,"<br>");
return result;
}
function convertDateTime_(date,format) {
// The 'general' format for dates is blank
if ('' == format) format = 'M/d/yyyy'; // TODO: Should be getSpreadsheetLocale() based
// Translate spreadsheet date format elements to SimpleDateFormat
// http://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html
// From the documentation for the "TEXT" spreadsheet function...
// "mm for the month of the year as two digits or the number
// of minutes in a time. Month will be used unless this code
// is provided with hours or seconds as part of a time."
if (format.indexOf(/am\/pm|AM\/PM/) === -1) {
format = format.replace(/h/g,'H'); // Hour of day, 0-23
}
// Check for elapsed time
if (format.indexOf("[") !== -1)
format = updFormatElapsedTime_(date,format);
var jsFormat = format
.replace(/am\/pm|AM\/PM/,'a') // Am/pm marker
.replace('dddd','EEEE') // Day name in week (long)
.replace('ddd','EEE') // Day name in week (short)
.replace(/S/g,'s') // In Sheets, upper & lower s means Seconds
.replace(/D/g,'d') // In Sheets, upper & lower d means Day
.replace(/M/g,'m') // In Sheets, upper & lower m are the same, what matters is quantity & neighbors
.replace(/([hH]+)"*(.)"*(m+)/g,tempMinute_) // ... so find "minutes" around "hours"
.replace(/(m+)"*(.)"*(s+)/g,tempMinute_) // ... or "seconds", and change to 'b' temporarily
.replace('mmmmm','"@"MMM"@"') // first letter in month - google-ism?
.replace(/m/g,"M") // All remaining "m"s are months, so M for SimpleDateFormat
.replace(/b/g,'m') // reassert temporary minutes
.replace(/0+/,'S') // Milliseconds are 0 in Sheets, upper S in SimpleDateFormat
.replace(/"/g,"'") // Change double to single quotes on filler
var result = Utilities.formatDate(
date,
thisInstance_.tzone,
jsFormat)
.replace(/@.*@/g,firstChOfMonth_); // Tidy first char in month, in post-processing
return result;
}
/**
* Replace all occurences of m with b. To be used as a function parameter
* for String.replace(). Helper for convertDateTime_.
*
* @param {string} match Regex match containing 'm's and other stuff
* @returns {string} replacement for match.
*/
function tempMinute_(match){
return match.replace(/m/g,'b');
}
/**
* Return first character of month. Helper for convertDateTime_.
*
* @param {string} match Regex match, formatted @Month@
* @returns {string} replacement for match.
*/
function firstChOfMonth_(match){
return match.charAt(1)
}
/**
* Replace elapsed-time signatures in the given format with SimpleDateFormat
* compatible versions. SimpleDateFormat understands elapsed Hours (H), but
* not minutes or seconds, so we replace elapsed minutes & seconds with
* calculated values.
*/
function updFormatElapsedTime_(date,format) {
// For elapsed time, we are interested in the time since midnight.
var elapsedMs = getMsSinceMidnight_(date);
// Generate elapsed seconds & minutes, just in case. While we could optimize these
// operations to be performed only when needed, the tests are as expensive.
// Check for elapsed second signature, determine its length for padding.
var matches = format.match(/\[([sS]+)\]/);
var pad = matches ? matches[1].length : 1;
var elapsedSec = convertPadded_(Math.floor(elapsedMs/1000),0,0,pad);
// Check for elapsed minute signature, determine its length for padding.
matches = format.match(/\[([mM]+)\]/);
pad = matches ? matches[1].length : 1;
var elapsedMin = convertPadded_(Math.floor(elapsedMs/60000),0,0,pad);
//var matches = format.match(/\[([^\]]+)\]/g); // Regex finds all elapsed time notations
var format = format.replace(/\[([hH]+)\]/,elapsedHours_)
.replace(/\[([mM]+)\]/,elapsedMin)
.replace(/\[([sS]+)\]/,elapsedSec)
return format;
}
/**
* Replace all occurences of the elapsed hours pattern (e.g. "[h]")
* with 'H', and remove braces. To be used as a function parameter
* for String.replace(). Helper for convertDateTime_.
*
* @param {string} match Regex match containing '[h]'s and other stuff
* @returns {string} replacement for match.
*/
function elapsedHours_(match){
return match.replace(/[hH]/g,'H').replace(/[\[\]]/g,'');
}
/**
* Calculate elapsed time since midnight. Helper for updFormatElapsedTime_.
* From http://stackoverflow.com/a/10946213/1677912.
*
* @param {Date} d time to test
* @returns {Number} milliseconds elapsed since midnight
*/
function getMsSinceMidnight_(d) {
var e = new Date(d);
return d - e.setHours(0,0,0,0);
}
/**
* Return string representation of a padded decimal number.
*
* @param {number} num Number to be converted
* @param {number} fractMax Max digits in fraction (round)
* @param {number} fractMin Min digits in fraction (pad)
* @param {number} wholeMin Min digits in whole, default 1 (pad)
* @param {char} thous Thousand separator char, blank default
*/
function convertPadded_(num,fractMax,fractMin,wholeMin,thous) {
fractMin = fractMin || 0; // Set defaults for optional parameters
wholeMin = wholeMin || 1;
thous = thous || '';
var numStr = String(1*Utilities.formatString("%.Xf".replace('X',String(fractMax)), num));
var parts = numStr.split('.');
var whole = pad0_(parts[0],wholeMin,true);
var frac = pad0_((parts.length > 1) ? parts[1] : '',fractMin);
var thouGroups = /(\d+)(\d{3})/;
while (thous&&thouGroups.test(whole)) {
whole = whole.replace(thouGroups, '$1' + thous + '$2');
}
var result = whole + (frac ? ('.'+frac) : '');
return result;
}
/**
* Pad an integer with leading or trailing zeros.
*
* @param {number} num Number to pad
* @param {number} width Final width of padded number
* @param {Boolean} leading (optional) true for leading zeros,
* default is false for trailing zeros
*/
function pad0_(num, width, left) {
var num = String(num);
// Check whether input is already wide enough
if (num.length >= width) return num;
var bunchazeros = '0000000000000000000000000000000000000';
if (left) {
var result = (bunchazeros + num).substr(-width);
} else {
result = (num + bunchazeros).substr(0,width);
}
return result;
}
function convertExponential_(num,fract) { return num.toExponential(fract).replace('e','E'); }
function convertPercent_(num,fract) { return Utilities.formatString("%.Xf%".replace('X',String(fract)), 100*num); }
/**
* Options: an optional object with optional properties...
* symbol {string} default '$'
* symLoc {'before','after','none'} default before
* negBrackets {boolean} default false
* negColor {string} color for negative numbers
*/
function convertCurrency_(num,fract,options) {
options = options || {};
var result = "#RESULT#";
var symbol = options.symbol ? options.symbol : '$';
if (!options.symLoc || options.symLoc === 'before') {
result = symbol + "#RESULT#";
}
else if (options.symLoc === 'after') {
result = "#RESULT#" + symbol;
}
else {
// no symbol
}
if (num < 0) {
num = -num;
if (options.negBrackets) {
result = "("+result+")";
}
else {
result = '-'+result;
}
}
if (options.negColor && options.htmlReady) {
result = ("<span style=\"color:XXX;\">"+result+"</span>").replace("XXX",options.negColor.toLowerCase());
}
num = convertPadded_(num,fract);
return result.replace("#RESULT#",num);
}
// "# ?/?", "# ??/??"
function convertFraction_(num,precision) {
if (!thisInstance_.fracEst) thisInstance_.fracEst = new FractionEstimator_();
var sign = (num < 0) ? -1 : 1;
num = sign * num;
var whole = Math.floor(num);
// var whole = String(num).match(/(.*?)\./)[1]+' ';
var frac = num%1; // introduces small rounding errors
var result = ((whole === 0) ? '' : String(sign*whole) + ' ') + thisInstance_.fracEst.estimate(frac,precision);
return result
}
/********************************************************************************************/
// Stand-alone converters, left-overs from a by-gone era. TODO: eliminate these
var converter_ = {};
// TODO: this is just so similar to currency, some refactoring would take care of it.
// should break out negBracket & color identification to be general
converter_["#,##0.00;(#,##0.00)"] = function(num) {
if (num > 0) {
var result = 'XXX';
}
else {
num = -num;
result = '(XXX)';
}
return result.replace('XXX', Utilities.formatString("%.2f", num));
}
/********************************************************************************************/
/**
* A fraction estimator to provide fraction strings that are a close
* representations of given decimal values.
*
* To restrict outcomes to "friendly fractions" (i.e. with easily-
* read denominators), estimates are found by identifying them
* in a list.
*
* Caveat: Construction of a new estimator for fractions with 2 or more significant digit
* denominators is S.L.O.W. Subsequent estimates are very quick, O(Ln(N)).
*
* <pre>
* Usage:
* var fracEst = new FractionEstimator_();
* var value = 0.56;
* var precision = 2; // 2 digit denominator
* var frac = fracEst.estimate(value,precision); // "14/25"
* </pre>
*/
function FractionEstimator_() { // constructor
this.fracList = {}; // Object holds lists of acceptable fractions
}
/**
* Get a string containing a fraction estimate for the given
* value, with indicated precision of denominator.
*
* @param {number} value Number to be estimated, 0 < value < 1
* @param {number} precision # digits in denominator, 1 (default) or 2
*
* @return {String} e.g. "14/25"
*/
FractionEstimator_.prototype.estimate = function(value,precision) {
if (1 <= value || 0 > value) throw new Error( 'invalid fraction, 0 < fraction < 1' );
precision = precision || 1;
if (precision > 2) throw new Error('beyond max precision');
var list = this.fracList_(precision); // Get a handle on list of acceptable fractions
// Use bisection to find first value equal to or larger than value
var lo=0,hi=list.length-1;
while (lo<hi) {
var mid = (lo+hi)>>1;
if (value < list[mid].val) hi=mid;
else lo = mid+1;
}
// pick the closer of the found 'lo', and the element before that
if (Math.abs(list[lo-1].val - value) < Math.abs(list[lo].val - value))
var frac=list[lo-1].frac;
else
frac=list[lo].frac;
return frac;
}
// Return acceptable fraction list for given precision, build if needed.
FractionEstimator_.prototype.fracList_ = function(precision) {
if (!this.fracList[precision]) {
var max = Math.pow(10, precision);
var list = [];
for (var denom=2; denom<max; denom++) {
for (var nom = 1; nom<denom; nom++) {
var dec = nom/denom;
if (!list[dec]) list[dec]=Utilities.formatString("%u/%u", nom, denom);
if (!(denom%2)) nom++; // skip even/even, since they would reduce
// Same case for any factors... but not worth the cycles to calculate
}
}
var a = Object.keys(list).sort();
this.fracList[precision] = [];
for (var i=0;i<a.length;i++) {
this.fracList[precision].push({"val":parseFloat(a[i]),"frac":list[a[i]]});
}
}
return this.fracList[precision];
}
function test_Frac_() {
var fracEst = new FractionEstimator_();
var value = 0.56;
var precision = 2; // 1 digit denominator
var frac = fracEst.estimate(value,precision);
debugger;
}
# SheetConverter library (formerly "Spreadsheet to HTML") #
This is the source repository for the [SheetConverter Google Apps Script library](https://sites.google.com/site/scriptsexamples/custom-methods/sheetconverter).
Libary documentation is [available here](https://script.google.com/macros/library/d/Mo6Ljr7ZKrMeYO9mHqOdo9oxc-w7mEonb/5).
## Caveats ##
This script is incomplete, ignoring some types of formatting. (Feel free to fork and enhance it, if you wish! Broadly applicable enhancements can be merged and the library updated) There are also some known issues:
- It produces <del>WAY too much</del> *a minimal amount* of inline style for each cell. It would be nicer if it could optionally generate and reuse css class styles where possible. (On the flip side - this is just what is needed for embedding into gmail, so if it's changed, it should support both.)
- The general table style, including borders, is set in the `tableFormat` variable. Since there is no way to determine what borders are in place on a spreadsheet, it isn't possible to transfer them. (Possible enhancement: support a parameter for borders.)
- <del>Numeric formatting can be read from a spreadsheet, but is not directly adaptable in Javascript, so numbers aren't rendered as they appear in the spreadsheet</del>. Most formats are now supported! Fractions are very slow. Custom formats can only be supported best-effort. Further extension of special negative numbering is needed (e.g. support for brackets & colours). Locale-based radix & thousand separators are also a future extension.
- No special treatment for table headers - that would be a nice addition, allowing adoption of existing css.
- No handling of Merged cells.
- Overflow is not supported; wrap is applied to all cells.
- Images and charts aren't supported.
## License ##
A BSD 2-clause license applies.
Copyright (c) 2014, David Bingham
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
## To use ##
var ss = SpreadsheetApp.getActiveSpreadsheet();
var sheet = ss.getActiveSheet();
var range = sheet.getDataRange();
var htmlTable = getHtmlTable(range); // Produce HTML table of entire spreadsheet
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