cashless2ecash

cashless2ecash: pay with cards for digital cash (experimental)
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buttons.html5.js (42036B)


      1 /*!
      2  * HTML5 export buttons for Buttons and DataTables.
      3  * 2016 SpryMedia Ltd - datatables.net/license
      4  *
      5  * FileSaver.js (1.3.3) - MIT license
      6  * Copyright © 2016 Eli Grey - http://eligrey.com
      7  */
      8 
      9 (function( factory ){
     10 	if ( typeof define === 'function' && define.amd ) {
     11 		// AMD
     12 		define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
     13 			return factory( $, window, document );
     14 		} );
     15 	}
     16 	else if ( typeof exports === 'object' ) {
     17 		// CommonJS
     18 		module.exports = function (root, $, jszip, pdfmake) {
     19 			if ( ! root ) {
     20 				root = window;
     21 			}
     22 
     23 			if ( ! $ || ! $.fn.dataTable ) {
     24 				$ = require('datatables.net')(root, $).$;
     25 			}
     26 
     27 			if ( ! $.fn.dataTable.Buttons ) {
     28 				require('datatables.net-buttons')(root, $);
     29 			}
     30 
     31 			return factory( $, root, root.document, jszip, pdfmake );
     32 		};
     33 	}
     34 	else {
     35 		// Browser
     36 		factory( jQuery, window, document );
     37 	}
     38 }(function( $, window, document, jszip, pdfmake, undefined ) {
     39 'use strict';
     40 var DataTable = $.fn.dataTable;
     41 
     42 // Allow the constructor to pass in JSZip and PDFMake from external requires.
     43 // Otherwise, use globally defined variables, if they are available.
     44 function _jsZip () {
     45 	return jszip || window.JSZip;
     46 }
     47 function _pdfMake () {
     48 	return pdfmake || window.pdfMake;
     49 }
     50 
     51 
     52 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     53  * FileSaver.js dependency
     54  */
     55 
     56 /*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
     57 
     58 var _saveAs = (function(view) {
     59 	"use strict";
     60 	// IE <10 is explicitly unsupported
     61 	if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
     62 		return;
     63 	}
     64 	var
     65 		  doc = view.document
     66 		  // only get URL when necessary in case Blob.js hasn't overridden it yet
     67 		, get_URL = function() {
     68 			return view.URL || view.webkitURL || view;
     69 		}
     70 		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
     71 		, can_use_save_link = "download" in save_link
     72 		, click = function(node) {
     73 			var event = new MouseEvent("click");
     74 			node.dispatchEvent(event);
     75 		}
     76 		, is_safari = /constructor/i.test(view.HTMLElement) || view.safari
     77 		, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
     78 		, throw_outside = function(ex) {
     79 			(view.setImmediate || view.setTimeout)(function() {
     80 				throw ex;
     81 			}, 0);
     82 		}
     83 		, force_saveable_type = "application/octet-stream"
     84 		// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
     85 		, arbitrary_revoke_timeout = 1000 * 40 // in ms
     86 		, revoke = function(file) {
     87 			var revoker = function() {
     88 				if (typeof file === "string") { // file is an object URL
     89 					get_URL().revokeObjectURL(file);
     90 				} else { // file is a File
     91 					file.remove();
     92 				}
     93 			};
     94 			setTimeout(revoker, arbitrary_revoke_timeout);
     95 		}
     96 		, dispatch = function(filesaver, event_types, event) {
     97 			event_types = [].concat(event_types);
     98 			var i = event_types.length;
     99 			while (i--) {
    100 				var listener = filesaver["on" + event_types[i]];
    101 				if (typeof listener === "function") {
    102 					try {
    103 						listener.call(filesaver, event || filesaver);
    104 					} catch (ex) {
    105 						throw_outside(ex);
    106 					}
    107 				}
    108 			}
    109 		}
    110 		, auto_bom = function(blob) {
    111 			// prepend BOM for UTF-8 XML and text/* types (including HTML)
    112 			// note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
    113 			if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
    114 				return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
    115 			}
    116 			return blob;
    117 		}
    118 		, FileSaver = function(blob, name, no_auto_bom) {
    119 			if (!no_auto_bom) {
    120 				blob = auto_bom(blob);
    121 			}
    122 			// First try a.download, then web filesystem, then object URLs
    123 			var
    124 				  filesaver = this
    125 				, type = blob.type
    126 				, force = type === force_saveable_type
    127 				, object_url
    128 				, dispatch_all = function() {
    129 					dispatch(filesaver, "writestart progress write writeend".split(" "));
    130 				}
    131 				// on any filesys errors revert to saving with object URLs
    132 				, fs_error = function() {
    133 					if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
    134 						// Safari doesn't allow downloading of blob urls
    135 						var reader = new FileReader();
    136 						reader.onloadend = function() {
    137 							var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
    138 							var popup = view.open(url, '_blank');
    139 							if(!popup) view.location.href = url;
    140 							url=undefined; // release reference before dispatching
    141 							filesaver.readyState = filesaver.DONE;
    142 							dispatch_all();
    143 						};
    144 						reader.readAsDataURL(blob);
    145 						filesaver.readyState = filesaver.INIT;
    146 						return;
    147 					}
    148 					// don't create more object URLs than needed
    149 					if (!object_url) {
    150 						object_url = get_URL().createObjectURL(blob);
    151 					}
    152 					if (force) {
    153 						view.location.href = object_url;
    154 					} else {
    155 						var opened = view.open(object_url, "_blank");
    156 						if (!opened) {
    157 							// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
    158 							view.location.href = object_url;
    159 						}
    160 					}
    161 					filesaver.readyState = filesaver.DONE;
    162 					dispatch_all();
    163 					revoke(object_url);
    164 				}
    165 			;
    166 			filesaver.readyState = filesaver.INIT;
    167 
    168 			if (can_use_save_link) {
    169 				object_url = get_URL().createObjectURL(blob);
    170 				setTimeout(function() {
    171 					save_link.href = object_url;
    172 					save_link.download = name;
    173 					click(save_link);
    174 					dispatch_all();
    175 					revoke(object_url);
    176 					filesaver.readyState = filesaver.DONE;
    177 				});
    178 				return;
    179 			}
    180 
    181 			fs_error();
    182 		}
    183 		, FS_proto = FileSaver.prototype
    184 		, saveAs = function(blob, name, no_auto_bom) {
    185 			return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
    186 		}
    187 	;
    188 	// IE 10+ (native saveAs)
    189 	if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
    190 		return function(blob, name, no_auto_bom) {
    191 			name = name || blob.name || "download";
    192 
    193 			if (!no_auto_bom) {
    194 				blob = auto_bom(blob);
    195 			}
    196 			return navigator.msSaveOrOpenBlob(blob, name);
    197 		};
    198 	}
    199 
    200 	FS_proto.abort = function(){};
    201 	FS_proto.readyState = FS_proto.INIT = 0;
    202 	FS_proto.WRITING = 1;
    203 	FS_proto.DONE = 2;
    204 
    205 	FS_proto.error =
    206 	FS_proto.onwritestart =
    207 	FS_proto.onprogress =
    208 	FS_proto.onwrite =
    209 	FS_proto.onabort =
    210 	FS_proto.onerror =
    211 	FS_proto.onwriteend =
    212 		null;
    213 
    214 	return saveAs;
    215 }(
    216 	   typeof self !== "undefined" && self
    217 	|| typeof window !== "undefined" && window
    218 	|| this.content
    219 ));
    220 
    221 
    222 // Expose file saver on the DataTables API. Can't attach to `DataTables.Buttons`
    223 // since this file can be loaded before Button's core!
    224 DataTable.fileSave = _saveAs;
    225 
    226 
    227 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
    228  * Local (private) functions
    229  */
    230 
    231 /**
    232  * Get the file name for an exported file.
    233  *
    234  * @param {object}	config Button configuration
    235  * @param {boolean} incExtension Include the file name extension
    236  */
    237 var _filename = function ( config, incExtension )
    238 {
    239 	// Backwards compatibility
    240 	var filename = config.filename === '*' && config.title !== '*' && config.title !== undefined ?
    241 		config.title :
    242 		config.filename;
    243 
    244 	if ( typeof filename === 'function' ) {
    245 		filename = filename();
    246 	}
    247 
    248 	if ( filename.indexOf( '*' ) !== -1 ) {
    249 		filename = $.trim( filename.replace( '*', $('title').text() ) );
    250 	}
    251 
    252 	// Strip characters which the OS will object to
    253 	filename = filename.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
    254 
    255 	return incExtension === undefined || incExtension === true ?
    256 		filename+config.extension :
    257 		filename;
    258 };
    259 
    260 /**
    261  * Get the sheet name for Excel exports.
    262  *
    263  * @param {object}	config Button configuration
    264  */
    265 var _sheetname = function ( config )
    266 {
    267 	var sheetName = 'Sheet1';
    268 
    269 	if ( config.sheetName ) {
    270 		sheetName = config.sheetName.replace(/[\[\]\*\/\\\?\:]/g, '');
    271 	}
    272 
    273 return sheetName;
    274 };
    275 
    276 /**
    277  * Get the title for an exported file.
    278  *
    279  * @param {object} config	Button configuration
    280  */
    281 var _title = function ( config )
    282 {
    283 	var title = config.title;
    284 
    285 	if ( typeof title === 'function' ) {
    286 		title = title();
    287 	}
    288 
    289 	return title.indexOf( '*' ) !== -1 ?
    290 		title.replace( '*', $('title').text() || 'Exported data' ) :
    291 		title;
    292 };
    293 
    294 /**
    295  * Get the newline character(s)
    296  *
    297  * @param {object}	config Button configuration
    298  * @return {string}				Newline character
    299  */
    300 var _newLine = function ( config )
    301 {
    302 	return config.newline ?
    303 		config.newline :
    304 		navigator.userAgent.match(/Windows/) ?
    305 			'\r\n' :
    306 			'\n';
    307 };
    308 
    309 /**
    310  * Combine the data from the `buttons.exportData` method into a string that
    311  * will be used in the export file.
    312  *
    313  * @param	{DataTable.Api} dt		 DataTables API instance
    314  * @param	{object}				config Button configuration
    315  * @return {object}							 The data to export
    316  */
    317 var _exportData = function ( dt, config )
    318 {
    319 	var newLine = _newLine( config );
    320 	var data = dt.buttons.exportData( config.exportOptions );
    321 	var boundary = config.fieldBoundary;
    322 	var separator = config.fieldSeparator;
    323 	var reBoundary = new RegExp( boundary, 'g' );
    324 	var escapeChar = config.escapeChar !== undefined ?
    325 		config.escapeChar :
    326 		'\\';
    327 	var join = function ( a ) {
    328 		var s = '';
    329 
    330 		// If there is a field boundary, then we might need to escape it in
    331 		// the source data
    332 		for ( var i=0, ien=a.length ; i<ien ; i++ ) {
    333 			if ( i > 0 ) {
    334 				s += separator;
    335 			}
    336 
    337 			s += boundary ?
    338 				boundary + ('' + a[i]).replace( reBoundary, escapeChar+boundary ) + boundary :
    339 				a[i];
    340 		}
    341 
    342 		return s;
    343 	};
    344 
    345 	var header = config.header ? join( data.header )+newLine : '';
    346 	var footer = config.footer && data.footer ? newLine+join( data.footer ) : '';
    347 	var body = [];
    348 
    349 	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
    350 		body.push( join( data.body[i] ) );
    351 	}
    352 
    353 	return {
    354 		str: header + body.join( newLine ) + footer,
    355 		rows: body.length
    356 	};
    357 };
    358 
    359 /**
    360  * Older versions of Safari (prior to tech preview 18) don't support the
    361  * download option required.
    362  *
    363  * @return {Boolean} `true` if old Safari
    364  */
    365 var _isDuffSafari = function ()
    366 {
    367 	var safari = navigator.userAgent.indexOf('Safari') !== -1 &&
    368 		navigator.userAgent.indexOf('Chrome') === -1 &&
    369 		navigator.userAgent.indexOf('Opera') === -1;
    370 
    371 	if ( ! safari ) {
    372 		return false;
    373 	}
    374 
    375 	var version = navigator.userAgent.match( /AppleWebKit\/(\d+\.\d+)/ );
    376 	if ( version && version.length > 1 && version[1]*1 < 603.1 ) {
    377 		return true;
    378 	}
    379 
    380 	return false;
    381 };
    382 
    383 /**
    384  * Convert from numeric position to letter for column names in Excel
    385  * @param  {int} n Column number
    386  * @return {string} Column letter(s) name
    387  */
    388 function createCellPos( n ){
    389 	var ordA = 'A'.charCodeAt(0);
    390 	var ordZ = 'Z'.charCodeAt(0);
    391 	var len = ordZ - ordA + 1;
    392 	var s = "";
    393 
    394 	while( n >= 0 ) {
    395 		s = String.fromCharCode(n % len + ordA) + s;
    396 		n = Math.floor(n / len) - 1;
    397 	}
    398 
    399 	return s;
    400 }
    401 
    402 try {
    403 	var _serialiser = new XMLSerializer();
    404 	var _ieExcel;
    405 }
    406 catch (t) {}
    407 
    408 /**
    409  * Recursively add XML files from an object's structure to a ZIP file. This
    410  * allows the XSLX file to be easily defined with an object's structure matching
    411  * the files structure.
    412  *
    413  * @param {JSZip} zip ZIP package
    414  * @param {object} obj Object to add (recursive)
    415  */
    416 function _addToZip( zip, obj ) {
    417 	if ( _ieExcel === undefined ) {
    418 		// Detect if we are dealing with IE's _awful_ serialiser by seeing if it
    419 		// drop attributes
    420 		_ieExcel = _serialiser
    421 			.serializeToString(
    422 				$.parseXML( excelStrings['xl/worksheets/sheet1.xml'] )
    423 			)
    424 			.indexOf( 'xmlns:r' ) === -1;
    425 	}
    426 
    427 	$.each( obj, function ( name, val ) {
    428 		if ( $.isPlainObject( val ) ) {
    429 			var newDir = zip.folder( name );
    430 			_addToZip( newDir, val );
    431 		}
    432 		else {
    433 			if ( _ieExcel ) {
    434 				// IE's XML serialiser will drop some name space attributes from
    435 				// from the root node, so we need to save them. Do this by
    436 				// replacing the namespace nodes with a regular attribute that
    437 				// we convert back when serialised. Edge does not have this
    438 				// issue
    439 				var worksheet = val.childNodes[0];
    440 				var i, ien;
    441 				var attrs = [];
    442 
    443 				for ( i=worksheet.attributes.length-1 ; i>=0 ; i-- ) {
    444 					var attrName = worksheet.attributes[i].nodeName;
    445 					var attrValue = worksheet.attributes[i].nodeValue;
    446 
    447 					if ( attrName.indexOf( ':' ) !== -1 ) {
    448 						attrs.push( { name: attrName, value: attrValue } );
    449 
    450 						worksheet.removeAttribute( attrName );
    451 					}
    452 				}
    453 
    454 				for ( i=0, ien=attrs.length ; i<ien ; i++ ) {
    455 					var attr = val.createAttribute( attrs[i].name.replace( ':', '_dt_b_namespace_token_' ) );
    456 					attr.value = attrs[i].value;
    457 					worksheet.setAttributeNode( attr );
    458 				}
    459 			}
    460 
    461 			var str = _serialiser.serializeToString(val);
    462 
    463 			// Fix IE's XML
    464 			if ( _ieExcel ) {
    465 				// IE doesn't include the XML declaration
    466 				if ( str.indexOf( '<?xml' ) === -1 ) {
    467 					str = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+str;
    468 				}
    469 
    470 				// Return namespace attributes to being as such
    471 				str = str.replace( /_dt_b_namespace_token_/g, ':' );
    472 			}
    473 
    474 			// Safari, IE and Edge will put empty name space attributes onto
    475 			// various elements making them useless. This strips them out
    476 			str = str.replace( /<([^<>]*?) xmlns=""([^<>]*?)>/g, '<$1 $2>' );
    477 
    478 			zip.file( name, str );
    479 		}
    480 	} );
    481 }
    482 
    483 /**
    484  * Create an XML node and add any children, attributes, etc without needing to
    485  * be verbose in the DOM.
    486  *
    487  * @param  {object} doc      XML document
    488  * @param  {string} nodeName Node name
    489  * @param  {object} opts     Options - can be `attr` (attributes), `children`
    490  *   (child nodes) and `text` (text content)
    491  * @return {node}            Created node
    492  */
    493 function _createNode( doc, nodeName, opts ) {
    494 	var tempNode = doc.createElement( nodeName );
    495 
    496 	if ( opts ) {
    497 		if ( opts.attr ) {
    498 			$(tempNode).attr( opts.attr );
    499 		}
    500 
    501 		if( opts.children ) {
    502 			$.each( opts.children, function ( key, value ) {
    503 				tempNode.appendChild( value );
    504 			});
    505 		}
    506 
    507 		if( opts.text ) {
    508 			tempNode.appendChild( doc.createTextNode( opts.text ) );
    509 		}
    510 	}
    511 
    512 	return tempNode;
    513 }
    514 
    515 /**
    516  * Get the width for an Excel column based on the contents of that column
    517  * @param  {object} data Data for export
    518  * @param  {int}    col  Column index
    519  * @return {int}         Column width
    520  */
    521 function _excelColWidth( data, col ) {
    522 	var max = data.header[col].length;
    523 	var len, lineSplit, str;
    524 
    525 	if ( data.footer && data.footer[col].length > max ) {
    526 		max = data.footer[col].length;
    527 	}
    528 
    529 	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
    530 		var point = data.body[i][col];
    531 		str = point !== null && point !== undefined ?
    532 			point.toString() :
    533 			'';
    534 
    535 		// If there is a newline character, workout the width of the column
    536 		// based on the longest line in the string
    537 		if ( str.indexOf('\n') !== -1 ) {
    538 			lineSplit = str.split('\n');
    539 			lineSplit.sort( function (a, b) {
    540 				return b.length - a.length;
    541 			} );
    542 
    543 			len = lineSplit[0].length;
    544 		}
    545 		else {
    546 			len = str.length;
    547 		}
    548 
    549 		if ( len > max ) {
    550 			max = len;
    551 		}
    552 
    553 		// Max width rather than having potentially massive column widths
    554 		if ( max > 40 ) {
    555 			return 52; // 40 * 1.3
    556 		}
    557 	}
    558 
    559 	max *= 1.3;
    560 
    561 	// And a min width
    562 	return max > 6 ? max : 6;
    563 }
    564 
    565 // Excel - Pre-defined strings to build a basic XLSX file
    566 var excelStrings = {
    567 	"_rels/.rels":
    568 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    569 		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
    570 			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>'+
    571 		'</Relationships>',
    572 
    573 	"xl/_rels/workbook.xml.rels":
    574 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    575 		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
    576 			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>'+
    577 			'<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>'+
    578 		'</Relationships>',
    579 
    580 	"[Content_Types].xml":
    581 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    582 		'<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">'+
    583 			'<Default Extension="xml" ContentType="application/xml" />'+
    584 			'<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml" />'+
    585 			'<Default Extension="jpeg" ContentType="image/jpeg" />'+
    586 			'<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml" />'+
    587 			'<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml" />'+
    588 			'<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml" />'+
    589 		'</Types>',
    590 
    591 	"xl/workbook.xml":
    592 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    593 		'<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">'+
    594 			'<fileVersion appName="xl" lastEdited="5" lowestEdited="5" rupBuild="24816"/>'+
    595 			'<workbookPr showInkAnnotation="0" autoCompressPictures="0"/>'+
    596 			'<bookViews>'+
    597 				'<workbookView xWindow="0" yWindow="0" windowWidth="25600" windowHeight="19020" tabRatio="500"/>'+
    598 			'</bookViews>'+
    599 			'<sheets>'+
    600 				'<sheet name="" sheetId="1" r:id="rId1"/>'+
    601 			'</sheets>'+
    602 		'</workbook>',
    603 
    604 	"xl/worksheets/sheet1.xml":
    605 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    606 		'<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">'+
    607 			'<sheetData/>'+
    608 		'</worksheet>',
    609 
    610 	"xl/styles.xml":
    611 		'<?xml version="1.0" encoding="UTF-8"?>'+
    612 		'<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">'+
    613 			'<numFmts count="6">'+
    614 				'<numFmt numFmtId="164" formatCode="#,##0.00_-\ [$$-45C]"/>'+
    615 				'<numFmt numFmtId="165" formatCode="&quot;£&quot;#,##0.00"/>'+
    616 				'<numFmt numFmtId="166" formatCode="[$€-2]\ #,##0.00"/>'+
    617 				'<numFmt numFmtId="167" formatCode="0.0%"/>'+
    618 				'<numFmt numFmtId="168" formatCode="#,##0;(#,##0)"/>'+
    619 				'<numFmt numFmtId="169" formatCode="#,##0.00;(#,##0.00)"/>'+
    620 			'</numFmts>'+
    621 			'<fonts count="5" x14ac:knownFonts="1">'+
    622 				'<font>'+
    623 					'<sz val="11" />'+
    624 					'<name val="Calibri" />'+
    625 				'</font>'+
    626 				'<font>'+
    627 					'<sz val="11" />'+
    628 					'<name val="Calibri" />'+
    629 					'<color rgb="FFFFFFFF" />'+
    630 				'</font>'+
    631 				'<font>'+
    632 					'<sz val="11" />'+
    633 					'<name val="Calibri" />'+
    634 					'<b />'+
    635 				'</font>'+
    636 				'<font>'+
    637 					'<sz val="11" />'+
    638 					'<name val="Calibri" />'+
    639 					'<i />'+
    640 				'</font>'+
    641 				'<font>'+
    642 					'<sz val="11" />'+
    643 					'<name val="Calibri" />'+
    644 					'<u />'+
    645 				'</font>'+
    646 			'</fonts>'+
    647 			'<fills count="6">'+
    648 				'<fill>'+
    649 					'<patternFill patternType="none" />'+
    650 				'</fill>'+
    651 				'<fill/>'+ // Excel appears to use this as a dotted background regardless of values
    652 				'<fill>'+
    653 					'<patternFill patternType="solid">'+
    654 						'<fgColor rgb="FFD9D9D9" />'+
    655 						'<bgColor indexed="64" />'+
    656 					'</patternFill>'+
    657 				'</fill>'+
    658 				'<fill>'+
    659 					'<patternFill patternType="solid">'+
    660 						'<fgColor rgb="FFD99795" />'+
    661 						'<bgColor indexed="64" />'+
    662 					'</patternFill>'+
    663 				'</fill>'+
    664 				'<fill>'+
    665 					'<patternFill patternType="solid">'+
    666 						'<fgColor rgb="ffc6efce" />'+
    667 						'<bgColor indexed="64" />'+
    668 					'</patternFill>'+
    669 				'</fill>'+
    670 				'<fill>'+
    671 					'<patternFill patternType="solid">'+
    672 						'<fgColor rgb="ffc6cfef" />'+
    673 						'<bgColor indexed="64" />'+
    674 					'</patternFill>'+
    675 				'</fill>'+
    676 			'</fills>'+
    677 			'<borders count="2">'+
    678 				'<border>'+
    679 					'<left />'+
    680 					'<right />'+
    681 					'<top />'+
    682 					'<bottom />'+
    683 					'<diagonal />'+
    684 				'</border>'+
    685 				'<border diagonalUp="false" diagonalDown="false">'+
    686 					'<left style="thin">'+
    687 						'<color auto="1" />'+
    688 					'</left>'+
    689 					'<right style="thin">'+
    690 						'<color auto="1" />'+
    691 					'</right>'+
    692 					'<top style="thin">'+
    693 						'<color auto="1" />'+
    694 					'</top>'+
    695 					'<bottom style="thin">'+
    696 						'<color auto="1" />'+
    697 					'</bottom>'+
    698 					'<diagonal />'+
    699 				'</border>'+
    700 			'</borders>'+
    701 			'<cellStyleXfs count="1">'+
    702 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" />'+
    703 			'</cellStyleXfs>'+
    704 			'<cellXfs count="67">'+
    705 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    706 				'<xf numFmtId="0" fontId="1" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    707 				'<xf numFmtId="0" fontId="2" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    708 				'<xf numFmtId="0" fontId="3" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    709 				'<xf numFmtId="0" fontId="4" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    710 				'<xf numFmtId="0" fontId="0" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    711 				'<xf numFmtId="0" fontId="1" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    712 				'<xf numFmtId="0" fontId="2" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    713 				'<xf numFmtId="0" fontId="3" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    714 				'<xf numFmtId="0" fontId="4" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    715 				'<xf numFmtId="0" fontId="0" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    716 				'<xf numFmtId="0" fontId="1" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    717 				'<xf numFmtId="0" fontId="2" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    718 				'<xf numFmtId="0" fontId="3" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    719 				'<xf numFmtId="0" fontId="4" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    720 				'<xf numFmtId="0" fontId="0" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    721 				'<xf numFmtId="0" fontId="1" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    722 				'<xf numFmtId="0" fontId="2" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    723 				'<xf numFmtId="0" fontId="3" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    724 				'<xf numFmtId="0" fontId="4" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    725 				'<xf numFmtId="0" fontId="0" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    726 				'<xf numFmtId="0" fontId="1" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    727 				'<xf numFmtId="0" fontId="2" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    728 				'<xf numFmtId="0" fontId="3" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    729 				'<xf numFmtId="0" fontId="4" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
    730 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    731 				'<xf numFmtId="0" fontId="1" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    732 				'<xf numFmtId="0" fontId="2" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    733 				'<xf numFmtId="0" fontId="3" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    734 				'<xf numFmtId="0" fontId="4" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    735 				'<xf numFmtId="0" fontId="0" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    736 				'<xf numFmtId="0" fontId="1" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    737 				'<xf numFmtId="0" fontId="2" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    738 				'<xf numFmtId="0" fontId="3" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    739 				'<xf numFmtId="0" fontId="4" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    740 				'<xf numFmtId="0" fontId="0" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    741 				'<xf numFmtId="0" fontId="1" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    742 				'<xf numFmtId="0" fontId="2" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    743 				'<xf numFmtId="0" fontId="3" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    744 				'<xf numFmtId="0" fontId="4" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    745 				'<xf numFmtId="0" fontId="0" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    746 				'<xf numFmtId="0" fontId="1" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    747 				'<xf numFmtId="0" fontId="2" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    748 				'<xf numFmtId="0" fontId="3" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    749 				'<xf numFmtId="0" fontId="4" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    750 				'<xf numFmtId="0" fontId="0" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    751 				'<xf numFmtId="0" fontId="1" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    752 				'<xf numFmtId="0" fontId="2" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    753 				'<xf numFmtId="0" fontId="3" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    754 				'<xf numFmtId="0" fontId="4" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
    755 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    756 					'<alignment horizontal="left"/>'+
    757 				'</xf>'+
    758 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    759 					'<alignment horizontal="center"/>'+
    760 				'</xf>'+
    761 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    762 					'<alignment horizontal="right"/>'+
    763 				'</xf>'+
    764 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    765 					'<alignment horizontal="fill"/>'+
    766 				'</xf>'+
    767 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    768 					'<alignment textRotation="90"/>'+
    769 				'</xf>'+
    770 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
    771 					'<alignment wrapText="1"/>'+
    772 				'</xf>'+
    773 				'<xf numFmtId="9"   fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    774 				'<xf numFmtId="164" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    775 				'<xf numFmtId="165" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    776 				'<xf numFmtId="166" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    777 				'<xf numFmtId="167" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    778 				'<xf numFmtId="168" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    779 				'<xf numFmtId="169" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    780 				'<xf numFmtId="3" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    781 				'<xf numFmtId="4" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    782 				'<xf numFmtId="1" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    783 				'<xf numFmtId="2" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
    784 			'</cellXfs>'+
    785 			'<cellStyles count="1">'+
    786 				'<cellStyle name="Normal" xfId="0" builtinId="0" />'+
    787 			'</cellStyles>'+
    788 			'<dxfs count="0" />'+
    789 			'<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4" />'+
    790 		'</styleSheet>'
    791 };
    792 // Note we could use 3 `for` loops for the styles, but when gzipped there is
    793 // virtually no difference in size, since the above can be easily compressed
    794 
    795 // Pattern matching for special number formats. Perhaps this should be exposed
    796 // via an API in future?
    797 // Ref: section 3.8.30 - built in formatters in open spreadsheet
    798 //   https://www.ecma-international.org/news/TC45_current_work/Office%20Open%20XML%20Part%204%20-%20Markup%20Language%20Reference.pdf
    799 var _excelSpecials = [
    800 	{ match: /^\-?\d+\.\d%$/,       style: 60, fmt: function (d) { return d/100; } }, // Precent with d.p.
    801 	{ match: /^\-?\d+\.?\d*%$/,     style: 56, fmt: function (d) { return d/100; } }, // Percent
    802 	{ match: /^\-?\$[\d,]+.?\d*$/,  style: 57 }, // Dollars
    803 	{ match: /^\-?£[\d,]+.?\d*$/,   style: 58 }, // Pounds
    804 	{ match: /^\-?€[\d,]+.?\d*$/,   style: 59 }, // Euros
    805 	{ match: /^\-?\d+$/,            style: 65 }, // Numbers without thousand separators
    806 	{ match: /^\-?\d+\.\d{2}$/,     style: 66 }, // Numbers 2 d.p. without thousands separators
    807 	{ match: /^\([\d,]+\)$/,        style: 61, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets
    808 	{ match: /^\([\d,]+\.\d{2}\)$/, style: 62, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets - 2d.p.
    809 	{ match: /^\-?[\d,]+$/,         style: 63 }, // Numbers with thousand separators
    810 	{ match: /^\-?[\d,]+\.\d{2}$/,  style: 64 }  // Numbers with 2 d.p. and thousands separators
    811 ];
    812 
    813 
    814 
    815 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
    816  * Buttons
    817  */
    818 
    819 //
    820 // Copy to clipboard
    821 //
    822 DataTable.ext.buttons.copyHtml5 = {
    823 	className: 'buttons-copy buttons-html5',
    824 
    825 	text: function ( dt ) {
    826 		return dt.i18n( 'buttons.copy', 'Copy' );
    827 	},
    828 
    829 	action: function ( e, dt, button, config ) {
    830 		this.processing( true );
    831 
    832 		var that = this;
    833 		var exportData = _exportData( dt, config );
    834 		var output = exportData.str;
    835 		var hiddenDiv = $('<div/>')
    836 			.css( {
    837 				height: 1,
    838 				width: 1,
    839 				overflow: 'hidden',
    840 				position: 'fixed',
    841 				top: 0,
    842 				left: 0
    843 			} );
    844 
    845 		if ( config.customize ) {
    846 			output = config.customize( output, config );
    847 		}
    848 
    849 		var textarea = $('<textarea readonly/>')
    850 			.val( output )
    851 			.appendTo( hiddenDiv );
    852 
    853 		// For browsers that support the copy execCommand, try to use it
    854 		if ( document.queryCommandSupported('copy') ) {
    855 			hiddenDiv.appendTo( dt.table().container() );
    856 			textarea[0].focus();
    857 			textarea[0].select();
    858 
    859 			try {
    860 				var successful = document.execCommand( 'copy' );
    861 				hiddenDiv.remove();
    862 
    863 				if (successful) {
    864 					dt.buttons.info(
    865 						dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),
    866 						dt.i18n( 'buttons.copySuccess', {
    867 							1: 'Copied one row to clipboard',
    868 							_: 'Copied %d rows to clipboard'
    869 						}, exportData.rows ),
    870 						2000
    871 					);
    872 
    873 					this.processing( false );
    874 					return;
    875 				}
    876 			}
    877 			catch (t) {}
    878 		}
    879 
    880 		// Otherwise we show the text box and instruct the user to use it
    881 		var message = $('<span>'+dt.i18n( 'buttons.copyKeys',
    882 				'Press <i>ctrl</i> or <i>\u2318</i> + <i>C</i> to copy the table data<br>to your system clipboard.<br><br>'+
    883 				'To cancel, click this message or press escape.' )+'</span>'
    884 			)
    885 			.append( hiddenDiv );
    886 
    887 		dt.buttons.info( dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ), message, 0 );
    888 
    889 		// Select the text so when the user activates their system clipboard
    890 		// it will copy that text
    891 		textarea[0].focus();
    892 		textarea[0].select();
    893 
    894 		// Event to hide the message when the user is done
    895 		var container = $(message).closest('.dt-button-info');
    896 		var close = function () {
    897 			container.off( 'click.buttons-copy' );
    898 			$(document).off( '.buttons-copy' );
    899 			dt.buttons.info( false );
    900 		};
    901 
    902 		container.on( 'click.buttons-copy', close );
    903 		$(document)
    904 			.on( 'keydown.buttons-copy', function (e) {
    905 				if ( e.keyCode === 27 ) { // esc
    906 					close();
    907 					that.processing( false );
    908 				}
    909 			} )
    910 			.on( 'copy.buttons-copy cut.buttons-copy', function () {
    911 				close();
    912 				that.processing( false );
    913 			} );
    914 	},
    915 
    916 	exportOptions: {},
    917 
    918 	fieldSeparator: '\t',
    919 
    920 	fieldBoundary: '',
    921 
    922 	header: true,
    923 
    924 	footer: false
    925 };
    926 
    927 //
    928 // CSV export
    929 //
    930 DataTable.ext.buttons.csvHtml5 = {
    931 	bom: false,
    932 
    933 	className: 'buttons-csv buttons-html5',
    934 
    935 	available: function () {
    936 		return window.FileReader !== undefined && window.Blob;
    937 	},
    938 
    939 	text: function ( dt ) {
    940 		return dt.i18n( 'buttons.csv', 'CSV' );
    941 	},
    942 
    943 	action: function ( e, dt, button, config ) {
    944 		this.processing( true );
    945 
    946 		// Set the text
    947 		var output = _exportData( dt, config ).str;
    948 		var charset = config.charset;
    949 
    950 		if ( config.customize ) {
    951 			output = config.customize( output, config );
    952 		}
    953 
    954 		if ( charset !== false ) {
    955 			if ( ! charset ) {
    956 				charset = document.characterSet || document.charset;
    957 			}
    958 
    959 			if ( charset ) {
    960 				charset = ';charset='+charset;
    961 			}
    962 		}
    963 		else {
    964 			charset = '';
    965 		}
    966 
    967 		if ( config.bom ) {
    968 			output = '\ufeff' + output;
    969 		}
    970 
    971 		_saveAs(
    972 			new Blob( [output], {type: 'text/csv'+charset} ),
    973 			_filename( config ),
    974 			true
    975 		);
    976 
    977 		this.processing( false );
    978 	},
    979 
    980 	filename: '*',
    981 
    982 	extension: '.csv',
    983 
    984 	exportOptions: {},
    985 
    986 	fieldSeparator: ',',
    987 
    988 	fieldBoundary: '"',
    989 
    990 	escapeChar: '"',
    991 
    992 	charset: null,
    993 
    994 	header: true,
    995 
    996 	footer: false
    997 };
    998 
    999 //
   1000 // Excel (xlsx) export
   1001 //
   1002 DataTable.ext.buttons.excelHtml5 = {
   1003 	className: 'buttons-excel buttons-html5',
   1004 
   1005 	available: function () {
   1006 		return window.FileReader !== undefined && _jsZip() !== undefined && ! _isDuffSafari() && _serialiser;
   1007 	},
   1008 
   1009 	text: function ( dt ) {
   1010 		return dt.i18n( 'buttons.excel', 'Excel' );
   1011 	},
   1012 
   1013 	action: function ( e, dt, button, config ) {
   1014 		this.processing( true );
   1015 
   1016 		var that = this;
   1017 		var rowPos = 0;
   1018 		var getXml = function ( type ) {
   1019 			var str = excelStrings[ type ];
   1020 
   1021 			//str = str.replace( /xmlns:/g, 'xmlns_' ).replace( /mc:/g, 'mc_' );
   1022 
   1023 			return $.parseXML( str );
   1024 		};
   1025 		var rels = getXml('xl/worksheets/sheet1.xml');
   1026 		var relsGet = rels.getElementsByTagName( "sheetData" )[0];
   1027 
   1028 		var xlsx = {
   1029 			_rels: {
   1030 				".rels": getXml('_rels/.rels')
   1031 			},
   1032 			xl: {
   1033 				_rels: {
   1034 					"workbook.xml.rels": getXml('xl/_rels/workbook.xml.rels')
   1035 				},
   1036 				"workbook.xml": getXml('xl/workbook.xml'),
   1037 				"styles.xml": getXml('xl/styles.xml'),
   1038 				"worksheets": {
   1039 					"sheet1.xml": rels
   1040 				}
   1041 
   1042 			},
   1043 			"[Content_Types].xml": getXml('[Content_Types].xml')
   1044 		};
   1045 
   1046 		var data = dt.buttons.exportData( config.exportOptions );
   1047 		var currentRow, rowNode;
   1048 		var addRow = function ( row ) {
   1049 			currentRow = rowPos+1;
   1050 			rowNode = _createNode( rels, "row", { attr: {r:currentRow} } );
   1051 
   1052 			for ( var i=0, ien=row.length ; i<ien ; i++ ) {
   1053 				// Concat both the Cell Columns as a letter and the Row of the cell.
   1054 				var cellId = createCellPos(i) + '' + currentRow;
   1055 				var cell = null;
   1056 
   1057 				// For null, undefined of blank cell, continue so it doesn't create the _createNode
   1058 				if ( row[i] === null || row[i] === undefined || row[i] === '' ) {
   1059 					continue;
   1060 				}
   1061 
   1062 				row[i] = $.trim( row[i] );
   1063 
   1064 				// Special number formatting options
   1065 				for ( var j=0, jen=_excelSpecials.length ; j<jen ; j++ ) {
   1066 					var special = _excelSpecials[j];
   1067 
   1068 					// TODO Need to provide the ability for the specials to say
   1069 					// if they are returning a string, since at the moment it is
   1070 					// assumed to be a number
   1071 					if ( row[i].match && ! row[i].match(/^0\d+/) && row[i].match( special.match ) ) {
   1072 						var val = row[i].replace(/[^\d\.\-]/g, '');
   1073 
   1074 						if ( special.fmt ) {
   1075 							val = special.fmt( val );
   1076 						}
   1077 
   1078 						cell = _createNode( rels, 'c', {
   1079 							attr: {
   1080 								r: cellId,
   1081 								s: special.style
   1082 							},
   1083 							children: [
   1084 								_createNode( rels, 'v', { text: val } )
   1085 							]
   1086 						} );
   1087 
   1088 						break;
   1089 					}
   1090 				}
   1091 
   1092 				if ( ! cell ) {
   1093 					if ( typeof row[i] === 'number' || (
   1094 						row[i].match &&
   1095 						row[i].match(/^-?\d+(\.\d+)?$/) &&
   1096 						! row[i].match(/^0\d+/) )
   1097 					) {
   1098 						// Detect numbers - don't match numbers with leading zeros
   1099 						// or a negative anywhere but the start
   1100 						cell = _createNode( rels, 'c', {
   1101 							attr: {
   1102 								t: 'n',
   1103 								r: cellId
   1104 							},
   1105 							children: [
   1106 								_createNode( rels, 'v', { text: row[i] } )
   1107 							]
   1108 						} );
   1109 					}
   1110 					else {
   1111 						// String output - replace non standard characters for text output
   1112 						var text = ! row[i].replace ?
   1113 							row[i] :
   1114 							row[i].replace(/[\x00-\x09\x0B\x0C\x0E-\x1F\x7F-\x9F]/g, '');
   1115 
   1116 						cell = _createNode( rels, 'c', {
   1117 							attr: {
   1118 								t: 'inlineStr',
   1119 								r: cellId
   1120 							},
   1121 							children:{
   1122 								row: _createNode( rels, 'is', {
   1123 									children: {
   1124 										row: _createNode( rels, 't', {
   1125 											text: text
   1126 										} )
   1127 									}
   1128 								} )
   1129 							}
   1130 						} );
   1131 					}
   1132 				}
   1133 
   1134 				rowNode.appendChild( cell );
   1135 			}
   1136 
   1137 			relsGet.appendChild(rowNode);
   1138 			rowPos++;
   1139 		};
   1140 
   1141 		$( 'sheets sheet', xlsx.xl['workbook.xml'] ).attr( 'name', _sheetname( config ) );
   1142 
   1143 		if ( config.customizeData ) {
   1144 			config.customizeData( data );
   1145 		}
   1146 
   1147 		if ( config.header ) {
   1148 			addRow( data.header, rowPos );
   1149 			$('row c', rels).attr( 's', '2' ); // bold
   1150 		}
   1151 
   1152 		for ( var n=0, ie=data.body.length ; n<ie ; n++ ) {
   1153 			addRow( data.body[n], rowPos );
   1154 		}
   1155 
   1156 		if ( config.footer && data.footer ) {
   1157 			addRow( data.footer, rowPos);
   1158 			$('row:last c', rels).attr( 's', '2' ); // bold
   1159 		}
   1160 
   1161 		// Set column widths
   1162 		var cols = _createNode( rels, 'cols' );
   1163 		$('worksheet', rels).prepend( cols );
   1164 
   1165 		for ( var i=0, ien=data.header.length ; i<ien ; i++ ) {
   1166 			cols.appendChild( _createNode( rels, 'col', {
   1167 				attr: {
   1168 					min: i+1,
   1169 					max: i+1,
   1170 					width: _excelColWidth( data, i ),
   1171 					customWidth: 1
   1172 				}
   1173 			} ) );
   1174 		}
   1175 
   1176 		// Let the developer customise the document if they want to
   1177 		if ( config.customize ) {
   1178 			config.customize( xlsx );
   1179 		}
   1180 
   1181 		var jszip = _jsZip();
   1182 		var zip = new jszip();
   1183 		var zipConfig = {
   1184 			type: 'blob',
   1185 			mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
   1186 		};
   1187 
   1188 		_addToZip( zip, xlsx );
   1189 
   1190 		if ( zip.generateAsync ) {
   1191 			// JSZip 3+
   1192 			zip
   1193 				.generateAsync( zipConfig )
   1194 				.then( function ( blob ) {
   1195 					_saveAs( blob, _filename( config ) );
   1196 					that.processing( false );
   1197 				} );
   1198 		}
   1199 		else {
   1200 			// JSZip 2.5
   1201 			_saveAs(
   1202 				zip.generate( zipConfig ),
   1203 				_filename( config )
   1204 			);
   1205 			this.processing( false );
   1206 		}
   1207 	},
   1208 
   1209 	filename: '*',
   1210 
   1211 	extension: '.xlsx',
   1212 
   1213 	exportOptions: {},
   1214 
   1215 	header: true,
   1216 
   1217 	footer: false
   1218 };
   1219 
   1220 //
   1221 // PDF export - using pdfMake - http://pdfmake.org
   1222 //
   1223 DataTable.ext.buttons.pdfHtml5 = {
   1224 	className: 'buttons-pdf buttons-html5',
   1225 
   1226 	available: function () {
   1227 		return window.FileReader !== undefined && _pdfMake();
   1228 	},
   1229 
   1230 	text: function ( dt ) {
   1231 		return dt.i18n( 'buttons.pdf', 'PDF' );
   1232 	},
   1233 
   1234 	action: function ( e, dt, button, config ) {
   1235 		this.processing( true );
   1236 
   1237 		var that = this;
   1238 		var data = dt.buttons.exportData( config.exportOptions );
   1239 		var rows = [];
   1240 
   1241 		if ( config.header ) {
   1242 			rows.push( $.map( data.header, function ( d ) {
   1243 				return {
   1244 					text: typeof d === 'string' ? d : d+'',
   1245 					style: 'tableHeader'
   1246 				};
   1247 			} ) );
   1248 		}
   1249 
   1250 		for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
   1251 			rows.push( $.map( data.body[i], function ( d ) {
   1252 				return {
   1253 					text: typeof d === 'string' ? d : d+'',
   1254 					style: i % 2 ? 'tableBodyEven' : 'tableBodyOdd'
   1255 				};
   1256 			} ) );
   1257 		}
   1258 
   1259 		if ( config.footer && data.footer) {
   1260 			rows.push( $.map( data.footer, function ( d ) {
   1261 				return {
   1262 					text: typeof d === 'string' ? d : d+'',
   1263 					style: 'tableFooter'
   1264 				};
   1265 			} ) );
   1266 		}
   1267 
   1268 		var doc = {
   1269 			pageSize: config.pageSize,
   1270 			pageOrientation: config.orientation,
   1271 			content: [
   1272 				{
   1273 					table: {
   1274 						headerRows: 1,
   1275 						body: rows
   1276 					},
   1277 					layout: 'noBorders'
   1278 				}
   1279 			],
   1280 			styles: {
   1281 				tableHeader: {
   1282 					bold: true,
   1283 					fontSize: 11,
   1284 					color: 'white',
   1285 					fillColor: '#2d4154',
   1286 					alignment: 'center'
   1287 				},
   1288 				tableBodyEven: {},
   1289 				tableBodyOdd: {
   1290 					fillColor: '#f3f3f3'
   1291 				},
   1292 				tableFooter: {
   1293 					bold: true,
   1294 					fontSize: 11,
   1295 					color: 'white',
   1296 					fillColor: '#2d4154'
   1297 				},
   1298 				title: {
   1299 					alignment: 'center',
   1300 					fontSize: 15
   1301 				},
   1302 				message: {}
   1303 			},
   1304 			defaultStyle: {
   1305 				fontSize: 10
   1306 			}
   1307 		};
   1308 
   1309 		if ( config.message ) {
   1310 			doc.content.unshift( {
   1311 				text: typeof config.message == 'function' ? config.message(dt, button, config) : config.message,
   1312 				style: 'message',
   1313 				margin: [ 0, 0, 0, 12 ]
   1314 			} );
   1315 		}
   1316 
   1317 		if ( config.title ) {
   1318 			doc.content.unshift( {
   1319 				text: _title( config, false ),
   1320 				style: 'title',
   1321 				margin: [ 0, 0, 0, 12 ]
   1322 			} );
   1323 		}
   1324 
   1325 		if ( config.customize ) {
   1326 			config.customize( doc, config );
   1327 		}
   1328 
   1329 		var pdf = _pdfMake().createPdf( doc );
   1330 
   1331 		if ( config.download === 'open' && ! _isDuffSafari() ) {
   1332 			pdf.open();
   1333 			this.processing( false );
   1334 		}
   1335 		else {
   1336 			pdf.getBuffer( function (buffer) {
   1337 				var blob = new Blob( [buffer], {type:'application/pdf'} );
   1338 
   1339 				_saveAs( blob, _filename( config ) );
   1340 				that.processing( false );
   1341 			} );
   1342 		}
   1343 	},
   1344 
   1345 	title: '*',
   1346 
   1347 	filename: '*',
   1348 
   1349 	extension: '.pdf',
   1350 
   1351 	exportOptions: {},
   1352 
   1353 	orientation: 'portrait',
   1354 
   1355 	pageSize: 'A4',
   1356 
   1357 	header: true,
   1358 
   1359 	footer: false,
   1360 
   1361 	message: null,
   1362 
   1363 	customize: null,
   1364 
   1365 	download: 'download'
   1366 };
   1367 
   1368 
   1369 return DataTable.Buttons;
   1370 }));