/**
* ExcellentExport.
* A client side Javascript export to Excel.
*
* @author: Jordi Burgos (jordiburgos@gmail.com)
*
* Based on:
* https://gist.github.com/insin/1031969
* http://jsfiddle.net/insin/cmewv/
*
* CSV: http://en.wikipedia.org/wiki/Comma-separated_values
*/
/*
* Base64 encoder/decoder from: http://jsperf.com/base64-optimized
*/
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
var fromCharCode = String.fromCharCode;
var INVALID_CHARACTER_ERR = ( function() {
// fabricate a suitable error object
try {
document.createElement('$');
} catch (error) {
return error;
}
}());
// encoder
window.btoa || (window.btoa = function(string) {
var a, b, b1, b2, b3, b4, c, i = 0, len = string.length, max = Math.max, result = '';
while (i < len) {
a = string.charCodeAt(i++) || 0;
b = string.charCodeAt(i++) || 0;
c = string.charCodeAt(i++) || 0;
if (max(a, b, c) > 0xFF) {
throw INVALID_CHARACTER_ERR;
}
b1 = (a >> 2) & 0x3F;
b2 = ((a & 0x3) << 4) | ((b >> 4) & 0xF);
b3 = ((b & 0xF) << 2) | ((c >> 6) & 0x3);
b4 = c & 0x3F;
if (!b) {
b3 = b4 = 64;
} else if (!c) {
b4 = 64;
}
result += characters.charAt(b1) + characters.charAt(b2) + characters.charAt(b3) + characters.charAt(b4);
}
return result;
});
// decoder
window.atob || (window.atob = function(string) {
string = string.replace(/=+$/, '');
var a, b, b1, b2, b3, b4, c, i = 0, len = string.length, chars = [];
if (len % 4 === 1)
throw INVALID_CHARACTER_ERR;
while (i < len) {
b1 = characters.indexOf(string.charAt(i++));
b2 = characters.indexOf(string.charAt(i++));
b3 = characters.indexOf(string.charAt(i++));
b4 = characters.indexOf(string.charAt(i++));
a = ((b1 & 0x3F) << 2) | ((b2 >> 4) & 0x3);
b = ((b2 & 0xF) << 4) | ((b3 >> 2) & 0xF);
c = ((b3 & 0x3) << 6) | (b4 & 0x3F);
chars.push(fromCharCode(a));
b && chars.push(fromCharCode(b));
c && chars.push(fromCharCode(c));
}
return chars.join('');
});
ExcellentExport = (function() {
var version = "1.3";
var uri = {excel: 'data:application/vnd.ms-excel;base64,', csv: 'data:application/csv;base64,'};
var template = {excel: ''};
var base64 = function(s) {
return window.btoa(unescape(encodeURIComponent(s)));
};
var format = function(s, c) {
return s.replace(/{(\w+)}/g, function(m, p) {
return c[p];
});
};
var get = function(element) {
if (!element.nodeType) {
return document.getElementById(element);
}
return element;
};
var fixCSVField = function(value) {
var fixedValue = value;
var addQuotes = (value.indexOf(',') !== -1) || (value.indexOf('\r') !== -1) || (value.indexOf('\n') !== -1);
var replaceDoubleQuotes = (value.indexOf('"') !== -1);
if (replaceDoubleQuotes) {
fixedValue = fixedValue.replace(/"/g, '""');
}
if (addQuotes || replaceDoubleQuotes) {
fixedValue = '"' + fixedValue + '"';
}
return fixedValue;
};
var tableToCSV = function(table) {
var data = "";
for (var i = 0, row; row = table.rows[i]; i++) {
for (var j = 0, col; col = row.cells[j]; j++) {
data = data + (j ? ',' : '') + fixCSVField(col.innerHTML);
}
data = data + "\r\n";
}
return data;
};
var ee = {
/** @expose */
excel: function(anchor, table, name) {
table = get(table);
// var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML};
var tablestr = table.innerHTML;
tablestr = tablestr.replace(/