/**
* ngTableExcelExport 1.0.0
* JavaScript export to Excel or CSV from HTML tables automatically in the browser and also compatible with all browsers.
*
* @author: Murugavel Ramachandran (blsrm@yahoo.com)
* @url: https://github.com/blsrm/ngTableExcelExport
*
*/
/*jslint browser: true, bitwise: true, vars: true, white: true */
/*global define, exports, module */
(function (global) {
'use strict';
var ngTableExcelExport = (function() {
function b64toBlob(b64Data, contentType, sliceSize) {
// function taken from http://stackoverflow.com/a/16245768/2591950
// author Jeremy Banks http://stackoverflow.com/users/1114/jeremy-banks
contentType = contentType || '';
sliceSize = sliceSize || 512;
var byteCharacters = window.atob(b64Data);
var byteArrays = [];
var offset;
for (offset = 0; offset < byteCharacters.length; offset += sliceSize) {
var slice = byteCharacters.slice(offset, offset + sliceSize);
var byteNumbers = new Array(slice.length);
var i;
for (i = 0; i < slice.length; i = i + 1) {
byteNumbers[i] = slice.charCodeAt(i);
}
var byteArray = new window.Uint8Array(byteNumbers);
byteArrays.push(byteArray);
}
var blob = new window.Blob(byteArrays, {
type: contentType
});
return blob;
}
var version = "1.5.0";
var uri = {excel: 'data:application/vnd.ms-excel;base64,', csv: 'data:application/csv;base64,'};
var template = {excel: ' '};
var csvDelimiter = ",";
var csvNewLine = "\r\n";
var base64 = function(s) {
return window.btoa(window.unescape(encodeURIComponent(s)));
};
var format = function(s, c) {
return s.replace(new RegExp("{(\\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(csvDelimiter) !== -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 = "SEP="+csvDelimiter+csvNewLine;
var i, j, row, col;
var columnStart = 0;
for (i = 0; i < table.rows.length; i=i+1) {
row = table.rows[i];
var rowData = '';
//Checking ng table style for filters
if(row.className.indexOf('ng-table-filters') !== -1) {
continue;
}
//remove first column having check box in angular JS, in future will provide option from UI to control
if(table.rows[0].cells[0].textContent.trim() === '') {
columnStart = 1;
}else {
columnStart = 0;
}
for (j = columnStart; j < row.cells.length; j=j+1) {
col = row.cells[j];
rowData = rowData + fixCSVField(col.textContent.trim()) + (j ? csvDelimiter : ' ');
}
rowData = rowData.slice(0, rowData.length - 1); //remove last semicolon
data += rowData + csvNewLine;
}
return data;
};
var tableToHTML = function(table) {
var data = "";
var i, j, row, col;
var columnStart = 5;
for (i = 0; i < table.rows.length; i=i+1) {
row = table.rows[i];
var rowData = '';
//Checking ng table style for filters
if(row.className.indexOf('ng-table-filters') !== -1) {
continue;
}
//remove first column having check box in angular JS, in future will provide option from UI to control
if(table.rows[0].cells[0].textContent.trim() === '') {
columnStart = 1;
}else {
columnStart = 0;
}
for (j = columnStart; j < row.cells.length; j=j+1) {
col = row.cells[j];
if (i === 0) {
rowData += '| ' + col.textContent.trim() + ' | ';
} else {
rowData += '' + col.textContent.trim() + ' | ';
}
}
data += '' + rowData + '
';
}
// return data;
};
function createDownloadLink(anchor, base64data, exporttype, filename) {
var blob;
if (window.navigator.msSaveBlob) {
blob = b64toBlob(base64data, exporttype);
window.navigator.msSaveBlob(blob, filename);
return false;
} else if(window.URL.createObjectURL) {
blob = b64toBlob(base64data, exporttype);
var blobUrl = window.URL.createObjectURL(blob, exporttype, filename);
anchor.href = blobUrl;
} else {
var hrefvalue = "data:" + exporttype + ";base64," + base64data;
anchor.download = filename;
anchor.href = hrefvalue;
}
// Return true to allow the link to work
return true;
}
var ee = {
/** @export */
excel: function(anchor, table, name) {
table = get(table);
var htmlTableData = tableToHTML(table);
var ctx = {worksheet: name || 'Worksheet', table: htmlTableData};
var b64 = base64(format(template.excel, ctx));
return createDownloadLink(anchor, b64, 'application/vnd.ms-excel',name+'.xls');
},
/** @export */
csv: function(anchor, table, name, delimiter, newLine) {
if (delimiter !== undefined && delimiter) {
csvDelimiter = delimiter;
}
if (newLine !== undefined && newLine) {
csvNewLine = newLine;
}
table = get(table);
var csvData = tableToCSV(table);
var b64 = base64(csvData);
return createDownloadLink(anchor,b64,'application/csv',name+'.csv');
}
};
return ee;
}());
// AMD support
if (typeof define === 'function' && define.amd) {
define(function () { return ngTableExcelExport; });
// CommonJS and Node.js module support.
} else if (typeof exports !== 'undefined') {
// Support Node.js specific `module.exports` (which can be a function)
if (typeof module !== 'undefined' && module.exports) {
exports = module.exports = ngTableExcelExport;
}
// But always support CommonJS module 1.1.1 spec (`exports` cannot be a function)
exports.ngTableExcelExport = ngTableExcelExport;
} else {
global.ngTableExcelExport = ngTableExcelExport;
}
})(this);