cashless2ecash

cashless2ecash: pay with cards for digital cash (experimental)
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buttons.flash.js (45617B)


      1 /*!
      2  * Flash export buttons for Buttons and DataTables.
      3  * 2015 SpryMedia Ltd - datatables.net/license
      4  *
      5  * ZeroClipbaord - MIT license
      6  * Copyright (c) 2012 Joseph Huckaby
      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, $) {
     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 );
     32 		};
     33 	}
     34 	else {
     35 		// Browser
     36 		factory( jQuery, window, document );
     37 	}
     38 }(function( $, window, document, undefined ) {
     39 'use strict';
     40 var DataTable = $.fn.dataTable;
     41 
     42 
     43 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     44  * ZeroClipboard dependency
     45  */
     46 
     47 /*
     48  * ZeroClipboard 1.0.4 with modifications
     49  * Author: Joseph Huckaby
     50  * License: MIT
     51  *
     52  * Copyright (c) 2012 Joseph Huckaby
     53  */
     54 var ZeroClipboard_TableTools = {
     55 	version: "1.0.4-TableTools2",
     56 	clients: {}, // registered upload clients on page, indexed by id
     57 	moviePath: '', // URL to movie
     58 	nextId: 1, // ID of next movie
     59 
     60 	$: function(thingy) {
     61 		// simple DOM lookup utility function
     62 		if (typeof(thingy) == 'string') {
     63 			thingy = document.getElementById(thingy);
     64 		}
     65 		if (!thingy.addClass) {
     66 			// extend element with a few useful methods
     67 			thingy.hide = function() { this.style.display = 'none'; };
     68 			thingy.show = function() { this.style.display = ''; };
     69 			thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
     70 			thingy.removeClass = function(name) {
     71 				this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
     72 			};
     73 			thingy.hasClass = function(name) {
     74 				return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
     75 			};
     76 		}
     77 		return thingy;
     78 	},
     79 
     80 	setMoviePath: function(path) {
     81 		// set path to ZeroClipboard.swf
     82 		this.moviePath = path;
     83 	},
     84 
     85 	dispatch: function(id, eventName, args) {
     86 		// receive event from flash movie, send to client
     87 		var client = this.clients[id];
     88 		if (client) {
     89 			client.receiveEvent(eventName, args);
     90 		}
     91 	},
     92 
     93 	log: function ( str ) {
     94 		console.log( 'Flash: '+str );
     95 	},
     96 
     97 	register: function(id, client) {
     98 		// register new client to receive events
     99 		this.clients[id] = client;
    100 	},
    101 
    102 	getDOMObjectPosition: function(obj) {
    103 		// get absolute coordinates for dom element
    104 		var info = {
    105 			left: 0,
    106 			top: 0,
    107 			width: obj.width ? obj.width : obj.offsetWidth,
    108 			height: obj.height ? obj.height : obj.offsetHeight
    109 		};
    110 
    111 		if ( obj.style.width !== "" ) {
    112 			info.width = obj.style.width.replace("px","");
    113 		}
    114 
    115 		if ( obj.style.height !== "" ) {
    116 			info.height = obj.style.height.replace("px","");
    117 		}
    118 
    119 		while (obj) {
    120 			info.left += obj.offsetLeft;
    121 			info.top += obj.offsetTop;
    122 			obj = obj.offsetParent;
    123 		}
    124 
    125 		return info;
    126 	},
    127 
    128 	Client: function(elem) {
    129 		// constructor for new simple upload client
    130 		this.handlers = {};
    131 
    132 		// unique ID
    133 		this.id = ZeroClipboard_TableTools.nextId++;
    134 		this.movieId = 'ZeroClipboard_TableToolsMovie_' + this.id;
    135 
    136 		// register client with singleton to receive flash events
    137 		ZeroClipboard_TableTools.register(this.id, this);
    138 
    139 		// create movie
    140 		if (elem) {
    141 			this.glue(elem);
    142 		}
    143 	}
    144 };
    145 
    146 ZeroClipboard_TableTools.Client.prototype = {
    147 
    148 	id: 0, // unique ID for us
    149 	ready: false, // whether movie is ready to receive events or not
    150 	movie: null, // reference to movie object
    151 	clipText: '', // text to copy to clipboard
    152 	fileName: '', // default file save name
    153 	action: 'copy', // action to perform
    154 	handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
    155 	cssEffects: true, // enable CSS mouse effects on dom container
    156 	handlers: null, // user event handlers
    157 	sized: false,
    158 	sheetName: '', // default sheet name for excel export
    159 
    160 	glue: function(elem, title) {
    161 		// glue to DOM element
    162 		// elem can be ID or actual DOM element object
    163 		this.domElement = ZeroClipboard_TableTools.$(elem);
    164 
    165 		// float just above object, or zIndex 99 if dom element isn't set
    166 		var zIndex = 99;
    167 		if (this.domElement.style.zIndex) {
    168 			zIndex = parseInt(this.domElement.style.zIndex, 10) + 1;
    169 		}
    170 
    171 		// find X/Y position of domElement
    172 		var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);
    173 
    174 		// create floating DIV above element
    175 		this.div = document.createElement('div');
    176 		var style = this.div.style;
    177 		style.position = 'absolute';
    178 		style.left = '0px';
    179 		style.top = '0px';
    180 		style.width = (box.width) + 'px';
    181 		style.height = box.height + 'px';
    182 		style.zIndex = zIndex;
    183 
    184 		if ( typeof title != "undefined" && title !== "" ) {
    185 			this.div.title = title;
    186 		}
    187 		if ( box.width !== 0 && box.height !== 0 ) {
    188 			this.sized = true;
    189 		}
    190 
    191 		// style.backgroundColor = '#f00'; // debug
    192 		if ( this.domElement ) {
    193 			this.domElement.appendChild(this.div);
    194 			this.div.innerHTML = this.getHTML( box.width, box.height ).replace(/&/g, '&');
    195 		}
    196 	},
    197 
    198 	positionElement: function() {
    199 		var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);
    200 		var style = this.div.style;
    201 
    202 		style.position = 'absolute';
    203 		//style.left = (this.domElement.offsetLeft)+'px';
    204 		//style.top = this.domElement.offsetTop+'px';
    205 		style.width = box.width + 'px';
    206 		style.height = box.height + 'px';
    207 
    208 		if ( box.width !== 0 && box.height !== 0 ) {
    209 			this.sized = true;
    210 		} else {
    211 			return;
    212 		}
    213 
    214 		var flash = this.div.childNodes[0];
    215 		flash.width = box.width;
    216 		flash.height = box.height;
    217 	},
    218 
    219 	getHTML: function(width, height) {
    220 		// return HTML for movie
    221 		var html = '';
    222 		var flashvars = 'id=' + this.id +
    223 			'&width=' + width +
    224 			'&height=' + height;
    225 
    226 		if (navigator.userAgent.match(/MSIE/)) {
    227 			// IE gets an OBJECT tag
    228 			var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
    229 			html += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="'+protocol+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="'+width+'" height="'+height+'" id="'+this.movieId+'" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+ZeroClipboard_TableTools.moviePath+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+flashvars+'"/><param name="wmode" value="transparent"/></object>';
    230 		}
    231 		else {
    232 			// all other browsers get an EMBED tag
    233 			html += '<embed id="'+this.movieId+'" src="'+ZeroClipboard_TableTools.moviePath+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+width+'" height="'+height+'" name="'+this.movieId+'" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+flashvars+'" wmode="transparent" />';
    234 		}
    235 		return html;
    236 	},
    237 
    238 	hide: function() {
    239 		// temporarily hide floater offscreen
    240 		if (this.div) {
    241 			this.div.style.left = '-2000px';
    242 		}
    243 	},
    244 
    245 	show: function() {
    246 		// show ourselves after a call to hide()
    247 		this.reposition();
    248 	},
    249 
    250 	destroy: function() {
    251 		// destroy control and floater
    252 		var that = this;
    253 
    254 		if (this.domElement && this.div) {
    255 			$(this.div).remove();
    256 
    257 			this.domElement = null;
    258 			this.div = null;
    259 
    260 			$.each( ZeroClipboard_TableTools.clients, function ( id, client ) {
    261 				if ( client === that ) {
    262 					delete ZeroClipboard_TableTools.clients[ id ];
    263 				}
    264 			} );
    265 		}
    266 	},
    267 
    268 	reposition: function(elem) {
    269 		// reposition our floating div, optionally to new container
    270 		// warning: container CANNOT change size, only position
    271 		if (elem) {
    272 			this.domElement = ZeroClipboard_TableTools.$(elem);
    273 			if (!this.domElement) {
    274 				this.hide();
    275 			}
    276 		}
    277 
    278 		if (this.domElement && this.div) {
    279 			var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);
    280 			var style = this.div.style;
    281 			style.left = '' + box.left + 'px';
    282 			style.top = '' + box.top + 'px';
    283 		}
    284 	},
    285 
    286 	clearText: function() {
    287 		// clear the text to be copy / saved
    288 		this.clipText = '';
    289 		if (this.ready) {
    290 			this.movie.clearText();
    291 		}
    292 	},
    293 
    294 	appendText: function(newText) {
    295 		// append text to that which is to be copied / saved
    296 		this.clipText += newText;
    297 		if (this.ready) { this.movie.appendText(newText) ;}
    298 	},
    299 
    300 	setText: function(newText) {
    301 		// set text to be copied to be copied / saved
    302 		this.clipText = newText;
    303 		if (this.ready) { this.movie.setText(newText) ;}
    304 	},
    305 
    306 	setFileName: function(newText) {
    307 		// set the file name
    308 		this.fileName = newText;
    309 		if (this.ready) {
    310 			this.movie.setFileName(newText);
    311 		}
    312 	},
    313 
    314 	setSheetData: function(data) {
    315 		// set the xlsx sheet data
    316 		if (this.ready) {
    317 			this.movie.setSheetData( JSON.stringify( data ) );
    318 		}
    319 	},
    320 
    321 	setAction: function(newText) {
    322 		// set action (save or copy)
    323 		this.action = newText;
    324 		if (this.ready) {
    325 			this.movie.setAction(newText);
    326 		}
    327 	},
    328 
    329 	addEventListener: function(eventName, func) {
    330 		// add user event listener for event
    331 		// event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
    332 		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
    333 		if (!this.handlers[eventName]) {
    334 			this.handlers[eventName] = [];
    335 		}
    336 		this.handlers[eventName].push(func);
    337 	},
    338 
    339 	setHandCursor: function(enabled) {
    340 		// enable hand cursor (true), or default arrow cursor (false)
    341 		this.handCursorEnabled = enabled;
    342 		if (this.ready) {
    343 			this.movie.setHandCursor(enabled);
    344 		}
    345 	},
    346 
    347 	setCSSEffects: function(enabled) {
    348 		// enable or disable CSS effects on DOM container
    349 		this.cssEffects = !!enabled;
    350 	},
    351 
    352 	receiveEvent: function(eventName, args) {
    353 		var self;
    354 
    355 		// receive event from flash
    356 		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
    357 
    358 		// special behavior for certain events
    359 		switch (eventName) {
    360 			case 'load':
    361 				// movie claims it is ready, but in IE this isn't always the case...
    362 				// bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
    363 				this.movie = document.getElementById(this.movieId);
    364 				if (!this.movie) {
    365 					self = this;
    366 					setTimeout( function() { self.receiveEvent('load', null); }, 1 );
    367 					return;
    368 				}
    369 
    370 				// firefox on pc needs a "kick" in order to set these in certain cases
    371 				if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
    372 					self = this;
    373 					setTimeout( function() { self.receiveEvent('load', null); }, 100 );
    374 					this.ready = true;
    375 					return;
    376 				}
    377 
    378 				this.ready = true;
    379 				this.movie.clearText();
    380 				this.movie.appendText( this.clipText );
    381 				this.movie.setFileName( this.fileName );
    382 				this.movie.setAction( this.action );
    383 				this.movie.setHandCursor( this.handCursorEnabled );
    384 				break;
    385 
    386 			case 'mouseover':
    387 				if (this.domElement && this.cssEffects) {
    388 					//this.domElement.addClass('hover');
    389 					if (this.recoverActive) {
    390 						this.domElement.addClass('active');
    391 					}
    392 				}
    393 				break;
    394 
    395 			case 'mouseout':
    396 				if (this.domElement && this.cssEffects) {
    397 					this.recoverActive = false;
    398 					if (this.domElement.hasClass('active')) {
    399 						this.domElement.removeClass('active');
    400 						this.recoverActive = true;
    401 					}
    402 					//this.domElement.removeClass('hover');
    403 				}
    404 				break;
    405 
    406 			case 'mousedown':
    407 				if (this.domElement && this.cssEffects) {
    408 					this.domElement.addClass('active');
    409 				}
    410 				break;
    411 
    412 			case 'mouseup':
    413 				if (this.domElement && this.cssEffects) {
    414 					this.domElement.removeClass('active');
    415 					this.recoverActive = false;
    416 				}
    417 				break;
    418 		} // switch eventName
    419 
    420 		if (this.handlers[eventName]) {
    421 			for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
    422 				var func = this.handlers[eventName][idx];
    423 
    424 				if (typeof(func) == 'function') {
    425 					// actual function reference
    426 					func(this, args);
    427 				}
    428 				else if ((typeof(func) == 'object') && (func.length == 2)) {
    429 					// PHP style object + method, i.e. [myObject, 'myMethod']
    430 					func[0][ func[1] ](this, args);
    431 				}
    432 				else if (typeof(func) == 'string') {
    433 					// name of function
    434 					window[func](this, args);
    435 				}
    436 			} // foreach event handler defined
    437 		} // user defined handler for event
    438 	}
    439 };
    440 
    441 ZeroClipboard_TableTools.hasFlash = function ()
    442 {
    443 	try {
    444 		var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
    445 		if (fo) {
    446 			return true;
    447 		}
    448 	}
    449 	catch (e) {
    450 		if (
    451 			navigator.mimeTypes &&
    452 			navigator.mimeTypes['application/x-shockwave-flash'] !== undefined &&
    453 			navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin
    454 		) {
    455 			return true;
    456 		}
    457 	}
    458 
    459 	return false;
    460 };
    461 
    462 // For the Flash binding to work, ZeroClipboard_TableTools must be on the global
    463 // object list
    464 window.ZeroClipboard_TableTools = ZeroClipboard_TableTools;
    465 
    466 
    467 
    468 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
    469  * Local (private) functions
    470  */
    471 
    472 /**
    473  * If a Buttons instance is initlaised before it is placed into the DOM, Flash
    474  * won't be able to bind to it, so we need to wait until it is available, this
    475  * method abstracts that out.
    476  *
    477  * @param {ZeroClipboard} flash ZeroClipboard instance
    478  * @param {jQuery} node  Button
    479  */
    480 var _glue = function ( flash, node )
    481 {
    482 	var id = node.attr('id');
    483 
    484 	if ( node.parents('html').length ) {
    485 		flash.glue( node[0], '' );
    486 	}
    487 	else {
    488 		setTimeout( function () {
    489 			_glue( flash, node );
    490 		}, 500 );
    491 	}
    492 };
    493 
    494 /**
    495  * Get the file name for an exported file.
    496  *
    497  * @param {object}  config       Button configuration
    498  * @param {boolean} incExtension Include the file name extension
    499  */
    500 var _filename = function ( config, incExtension )
    501 {
    502 	// Backwards compatibility
    503 	var filename = config.filename === '*' && config.title !== '*' && config.title !== undefined ?
    504 		config.title :
    505 		config.filename;
    506 
    507 	if ( typeof filename === 'function' ) {
    508 		filename = filename();
    509 	}
    510 
    511 	if ( filename.indexOf( '*' ) !== -1 ) {
    512 		filename = $.trim( filename.replace( '*', $('title').text() ) );
    513 	}
    514 
    515 	// Strip characters which the OS will object to
    516 	filename = filename.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
    517 
    518 	return incExtension === undefined || incExtension === true ?
    519 		filename+config.extension :
    520 		filename;
    521 };
    522 
    523 /**
    524  * Get the sheet name for Excel exports.
    525  *
    526  * @param {object}  config       Button configuration
    527  */
    528 var _sheetname = function ( config )
    529 {
    530 	var sheetName = 'Sheet1';
    531 
    532 	if ( config.sheetName ) {
    533 		sheetName = config.sheetName.replace(/[\[\]\*\/\\\?\:]/g, '');
    534 	}
    535 
    536 	return sheetName;
    537 };
    538 
    539 /**
    540  * Get the title for an exported file.
    541  *
    542  * @param {object}  config  Button configuration
    543  */
    544 var _title = function ( config )
    545 {
    546 	var title = config.title;
    547 
    548 	if ( typeof title === 'function' ) {
    549 		title = title();
    550 	}
    551 
    552 	return title.indexOf( '*' ) !== -1 ?
    553 		title.replace( '*', $('title').text() || 'Exported data' ) :
    554 		title;
    555 };
    556 
    557 /**
    558  * Set the flash text. This has to be broken up into chunks as the Javascript /
    559  * Flash bridge has a size limit. There is no indication in the Flash
    560  * documentation what this is, and it probably depends upon the browser.
    561  * Experimentation shows that the point is around 50k when data starts to get
    562  * lost, so an 8K limit used here is safe.
    563  *
    564  * @param {ZeroClipboard} flash ZeroClipboard instance
    565  * @param {string}        data  Data to send to Flash
    566  */
    567 var _setText = function ( flash, data )
    568 {
    569 	var parts = data.match(/[\s\S]{1,8192}/g) || [];
    570 
    571 	flash.clearText();
    572 	for ( var i=0, len=parts.length ; i<len ; i++ )
    573 	{
    574 		flash.appendText( parts[i] );
    575 	}
    576 };
    577 
    578 /**
    579  * Get the newline character(s)
    580  *
    581  * @param {object}  config Button configuration
    582  * @return {string}        Newline character
    583  */
    584 var _newLine = function ( config )
    585 {
    586 	return config.newline ?
    587 		config.newline :
    588 		navigator.userAgent.match(/Windows/) ?
    589 			'\r\n' :
    590 			'\n';
    591 };
    592 
    593 /**
    594  * Combine the data from the `buttons.exportData` method into a string that
    595  * will be used in the export file.
    596  *
    597  * @param  {DataTable.Api} dt     DataTables API instance
    598  * @param  {object}        config Button configuration
    599  * @return {object}               The data to export
    600  */
    601 var _exportData = function ( dt, config )
    602 {
    603 	var newLine = _newLine( config );
    604 	var data = dt.buttons.exportData( config.exportOptions );
    605 	var boundary = config.fieldBoundary;
    606 	var separator = config.fieldSeparator;
    607 	var reBoundary = new RegExp( boundary, 'g' );
    608 	var escapeChar = config.escapeChar !== undefined ?
    609 		config.escapeChar :
    610 		'\\';
    611 	var join = function ( a ) {
    612 		var s = '';
    613 
    614 		// If there is a field boundary, then we might need to escape it in
    615 		// the source data
    616 		for ( var i=0, ien=a.length ; i<ien ; i++ ) {
    617 			if ( i > 0 ) {
    618 				s += separator;
    619 			}
    620 
    621 			s += boundary ?
    622 				boundary + ('' + a[i]).replace( reBoundary, escapeChar+boundary ) + boundary :
    623 				a[i];
    624 		}
    625 
    626 		return s;
    627 	};
    628 
    629 	var header = config.header ? join( data.header )+newLine : '';
    630 	var footer = config.footer && data.footer ? newLine+join( data.footer ) : '';
    631 	var body = [];
    632 
    633 	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
    634 		body.push( join( data.body[i] ) );
    635 	}
    636 
    637 	return {
    638 		str: header + body.join( newLine ) + footer,
    639 		rows: body.length
    640 	};
    641 };
    642 
    643 
    644 // Basic initialisation for the buttons is common between them
    645 var flashButton = {
    646 	available: function () {
    647 		return ZeroClipboard_TableTools.hasFlash();
    648 	},
    649 
    650 	init: function ( dt, button, config ) {
    651 		// Insert the Flash movie
    652 		ZeroClipboard_TableTools.moviePath = DataTable.Buttons.swfPath;
    653 		var flash = new ZeroClipboard_TableTools.Client();
    654 
    655 		flash.setHandCursor( true );
    656 		flash.addEventListener('mouseDown', function(client) {
    657 			config._fromFlash = true;
    658 			dt.button( button[0] ).trigger();
    659 			config._fromFlash = false;
    660 		} );
    661 
    662 		_glue( flash, button );
    663 
    664 		config._flash = flash;
    665 	},
    666 
    667 	destroy: function ( dt, button, config ) {
    668 		config._flash.destroy();
    669 	},
    670 
    671 	fieldSeparator: ',',
    672 
    673 	fieldBoundary: '"',
    674 
    675 	exportOptions: {},
    676 
    677 	title: '*',
    678 
    679 	filename: '*',
    680 
    681 	extension: '.csv',
    682 
    683 	header: true,
    684 
    685 	footer: false
    686 };
    687 
    688 
    689 /**
    690  * Convert from numeric position to letter for column names in Excel
    691  * @param  {int} n Column number
    692  * @return {string} Column letter(s) name
    693  */
    694 function createCellPos( n ){
    695 	var ordA = 'A'.charCodeAt(0);
    696 	var ordZ = 'Z'.charCodeAt(0);
    697 	var len = ordZ - ordA + 1;
    698 	var s = "";
    699 
    700 	while( n >= 0 ) {
    701 		s = String.fromCharCode(n % len + ordA) + s;
    702 		n = Math.floor(n / len) - 1;
    703 	}
    704 
    705 	return s;
    706 }
    707 
    708 /**
    709  * Create an XML node and add any children, attributes, etc without needing to
    710  * be verbose in the DOM.
    711  *
    712  * @param  {object} doc      XML document
    713  * @param  {string} nodeName Node name
    714  * @param  {object} opts     Options - can be `attr` (attributes), `children`
    715  *   (child nodes) and `text` (text content)
    716  * @return {node}            Created node
    717  */
    718 function _createNode( doc, nodeName, opts ){
    719 	var tempNode = doc.createElement( nodeName );
    720 
    721 	if ( opts ) {
    722 		if ( opts.attr ) {
    723 			$(tempNode).attr( opts.attr );
    724 		}
    725 
    726 		if( opts.children ) {
    727 			$.each( opts.children, function ( key, value ) {
    728 				tempNode.appendChild( value );
    729 			});
    730 		}
    731 
    732 		if( opts.text ) {
    733 			tempNode.appendChild( doc.createTextNode( opts.text ) );
    734 		}
    735 	}
    736 
    737 	return tempNode;
    738 }
    739 
    740 /**
    741  * Get the width for an Excel column based on the contents of that column
    742  * @param  {object} data Data for export
    743  * @param  {int}    col  Column index
    744  * @return {int}         Column width
    745  */
    746 function _excelColWidth( data, col ) {
    747 	var max = data.header[col].length;
    748 	var len, lineSplit, str;
    749 
    750 	if ( data.footer && data.footer[col].length > max ) {
    751 		max = data.footer[col].length;
    752 	}
    753 
    754 	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
    755 		var point = data.body[i][col];
    756 		str = point !== null && point !== undefined ?
    757 			point.toString() :
    758 			'';
    759 
    760 		// If there is a newline character, workout the width of the column
    761 		// based on the longest line in the string
    762 		if ( str.indexOf('\n') !== -1 ) {
    763 			lineSplit = str.split('\n');
    764 			lineSplit.sort( function (a, b) {
    765 				return b.length - a.length;
    766 			} );
    767 
    768 			len = lineSplit[0].length;
    769 		}
    770 		else {
    771 			len = str.length;
    772 		}
    773 
    774 		if ( len > max ) {
    775 			max = len;
    776 		}
    777 
    778 		// Max width rather than having potentially massive column widths
    779 		if ( max > 40 ) {
    780 			return 52; // 40 * 1.3
    781 		}
    782 	}
    783 
    784 	max *= 1.3;
    785 
    786 	// And a min width
    787 	return max > 6 ? max : 6;
    788 }
    789 
    790   var _serialiser = "";
    791     if (typeof window.XMLSerializer === 'undefined') {
    792         _serialiser = new function () {
    793             this.serializeToString = function (input) {
    794                 return input.xml
    795             }
    796         };
    797     } else {
    798         _serialiser =  new XMLSerializer();
    799     }
    800 
    801     var _ieExcel;
    802 
    803 
    804 /**
    805  * Convert XML documents in an object to strings
    806  * @param  {object} obj XLSX document object
    807  */
    808 function _xlsxToStrings( obj ) {
    809 	if ( _ieExcel === undefined ) {
    810 		// Detect if we are dealing with IE's _awful_ serialiser by seeing if it
    811 		// drop attributes
    812 		_ieExcel = _serialiser
    813 			.serializeToString(
    814 				$.parseXML( excelStrings['xl/worksheets/sheet1.xml'] )
    815 			)
    816 			.indexOf( 'xmlns:r' ) === -1;
    817 	}
    818 
    819 	$.each( obj, function ( name, val ) {
    820 		if ( $.isPlainObject( val ) ) {
    821 			_xlsxToStrings( val );
    822 		}
    823 		else {
    824 			if ( _ieExcel ) {
    825 				// IE's XML serialiser will drop some name space attributes from
    826 				// from the root node, so we need to save them. Do this by
    827 				// replacing the namespace nodes with a regular attribute that
    828 				// we convert back when serialised. Edge does not have this
    829 				// issue
    830 				var worksheet = val.childNodes[0];
    831 				var i, ien;
    832 				var attrs = [];
    833 
    834 				for ( i=worksheet.attributes.length-1 ; i>=0 ; i-- ) {
    835 					var attrName = worksheet.attributes[i].nodeName;
    836 					var attrValue = worksheet.attributes[i].nodeValue;
    837 
    838 					if ( attrName.indexOf( ':' ) !== -1 ) {
    839 						attrs.push( { name: attrName, value: attrValue } );
    840 
    841 						worksheet.removeAttribute( attrName );
    842 					}
    843 				}
    844 
    845 				for ( i=0, ien=attrs.length ; i<ien ; i++ ) {
    846 					var attr = val.createAttribute( attrs[i].name.replace( ':', '_dt_b_namespace_token_' ) );
    847 					attr.value = attrs[i].value;
    848 					worksheet.setAttributeNode( attr );
    849 				}
    850 			}
    851 
    852 			var str = _serialiser.serializeToString(val);
    853 
    854 			// Fix IE's XML
    855 			if ( _ieExcel ) {
    856 				// IE doesn't include the XML declaration
    857 				if ( str.indexOf( '<?xml' ) === -1 ) {
    858 					str = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+str;
    859 				}
    860 
    861 				// Return namespace attributes to being as such
    862 				str = str.replace( /_dt_b_namespace_token_/g, ':' );
    863 			}
    864 
    865 			// Safari, IE and Edge will put empty name space attributes onto
    866 			// various elements making them useless. This strips them out
    867 			str = str.replace( /<([^<>]*?) xmlns=""([^<>]*?)>/g, '<$1 $2>' );
    868 
    869 			obj[ name ] = str;
    870 		}
    871 	} );
    872 }
    873 
    874 // Excel - Pre-defined strings to build a basic XLSX file
    875 var excelStrings = {
    876 	"_rels/.rels":
    877 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    878 		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
    879 			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>'+
    880 		'</Relationships>',
    881 
    882 	"xl/_rels/workbook.xml.rels":
    883 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    884 		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
    885 			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>'+
    886 			'<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>'+
    887 		'</Relationships>',
    888 
    889 	"[Content_Types].xml":
    890 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    891 		'<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">'+
    892 			'<Default Extension="xml" ContentType="application/xml" />'+
    893 			'<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml" />'+
    894 			'<Default Extension="jpeg" ContentType="image/jpeg" />'+
    895 			'<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml" />'+
    896 			'<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml" />'+
    897 			'<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml" />'+
    898 		'</Types>',
    899 
    900 	"xl/workbook.xml":
    901 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    902 		'<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">'+
    903 			'<fileVersion appName="xl" lastEdited="5" lowestEdited="5" rupBuild="24816"/>'+
    904 			'<workbookPr showInkAnnotation="0" autoCompressPictures="0"/>'+
    905 			'<bookViews>'+
    906 				'<workbookView xWindow="0" yWindow="0" windowWidth="25600" windowHeight="19020" tabRatio="500"/>'+
    907 			'</bookViews>'+
    908 			'<sheets>'+
    909 				'<sheet name="" sheetId="1" r:id="rId1"/>'+
    910 			'</sheets>'+
    911 		'</workbook>',
    912 
    913 	"xl/worksheets/sheet1.xml":
    914 		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
    915 		'<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">'+
    916 			'<sheetData/>'+
    917 		'</worksheet>',
    918 
    919 	"xl/styles.xml":
    920 		'<?xml version="1.0" encoding="UTF-8"?>'+
    921 		'<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">'+
    922 			'<numFmts count="6">'+
    923 				'<numFmt numFmtId="164" formatCode="#,##0.00_-\ [$$-45C]"/>'+
    924 				'<numFmt numFmtId="165" formatCode="&quot;£&quot;#,##0.00"/>'+
    925 				'<numFmt numFmtId="166" formatCode="[$€-2]\ #,##0.00"/>'+
    926 				'<numFmt numFmtId="167" formatCode="0.0%"/>'+
    927 				'<numFmt numFmtId="168" formatCode="#,##0;(#,##0)"/>'+
    928 				'<numFmt numFmtId="169" formatCode="#,##0.00;(#,##0.00)"/>'+
    929 			'</numFmts>'+
    930 			'<fonts count="5" x14ac:knownFonts="1">'+
    931 				'<font>'+
    932 					'<sz val="11" />'+
    933 					'<name val="Calibri" />'+
    934 				'</font>'+
    935 				'<font>'+
    936 					'<sz val="11" />'+
    937 					'<name val="Calibri" />'+
    938 					'<color rgb="FFFFFFFF" />'+
    939 				'</font>'+
    940 				'<font>'+
    941 					'<sz val="11" />'+
    942 					'<name val="Calibri" />'+
    943 					'<b />'+
    944 				'</font>'+
    945 				'<font>'+
    946 					'<sz val="11" />'+
    947 					'<name val="Calibri" />'+
    948 					'<i />'+
    949 				'</font>'+
    950 				'<font>'+
    951 					'<sz val="11" />'+
    952 					'<name val="Calibri" />'+
    953 					'<u />'+
    954 				'</font>'+
    955 			'</fonts>'+
    956 			'<fills count="6">'+
    957 				'<fill>'+
    958 					'<patternFill patternType="none" />'+
    959 				'</fill>'+
    960 				'<fill/>'+ // Excel appears to use this as a dotted background regardless of values
    961 				'<fill>'+
    962 					'<patternFill patternType="solid">'+
    963 						'<fgColor rgb="FFD9D9D9" />'+
    964 						'<bgColor indexed="64" />'+
    965 					'</patternFill>'+
    966 				'</fill>'+
    967 				'<fill>'+
    968 					'<patternFill patternType="solid">'+
    969 						'<fgColor rgb="FFD99795" />'+
    970 						'<bgColor indexed="64" />'+
    971 					'</patternFill>'+
    972 				'</fill>'+
    973 				'<fill>'+
    974 					'<patternFill patternType="solid">'+
    975 						'<fgColor rgb="ffc6efce" />'+
    976 						'<bgColor indexed="64" />'+
    977 					'</patternFill>'+
    978 				'</fill>'+
    979 				'<fill>'+
    980 					'<patternFill patternType="solid">'+
    981 						'<fgColor rgb="ffc6cfef" />'+
    982 						'<bgColor indexed="64" />'+
    983 					'</patternFill>'+
    984 				'</fill>'+
    985 			'</fills>'+
    986 			'<borders count="2">'+
    987 				'<border>'+
    988 					'<left />'+
    989 					'<right />'+
    990 					'<top />'+
    991 					'<bottom />'+
    992 					'<diagonal />'+
    993 				'</border>'+
    994 				'<border diagonalUp="false" diagonalDown="false">'+
    995 					'<left style="thin">'+
    996 						'<color auto="1" />'+
    997 					'</left>'+
    998 					'<right style="thin">'+
    999 						'<color auto="1" />'+
   1000 					'</right>'+
   1001 					'<top style="thin">'+
   1002 						'<color auto="1" />'+
   1003 					'</top>'+
   1004 					'<bottom style="thin">'+
   1005 						'<color auto="1" />'+
   1006 					'</bottom>'+
   1007 					'<diagonal />'+
   1008 				'</border>'+
   1009 			'</borders>'+
   1010 			'<cellStyleXfs count="1">'+
   1011 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" />'+
   1012 			'</cellStyleXfs>'+
   1013 			'<cellXfs count="61">'+
   1014 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1015 				'<xf numFmtId="0" fontId="1" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1016 				'<xf numFmtId="0" fontId="2" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1017 				'<xf numFmtId="0" fontId="3" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1018 				'<xf numFmtId="0" fontId="4" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1019 				'<xf numFmtId="0" fontId="0" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1020 				'<xf numFmtId="0" fontId="1" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1021 				'<xf numFmtId="0" fontId="2" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1022 				'<xf numFmtId="0" fontId="3" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1023 				'<xf numFmtId="0" fontId="4" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1024 				'<xf numFmtId="0" fontId="0" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1025 				'<xf numFmtId="0" fontId="1" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1026 				'<xf numFmtId="0" fontId="2" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1027 				'<xf numFmtId="0" fontId="3" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1028 				'<xf numFmtId="0" fontId="4" fillId="3" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1029 				'<xf numFmtId="0" fontId="0" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1030 				'<xf numFmtId="0" fontId="1" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1031 				'<xf numFmtId="0" fontId="2" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1032 				'<xf numFmtId="0" fontId="3" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1033 				'<xf numFmtId="0" fontId="4" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1034 				'<xf numFmtId="0" fontId="0" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1035 				'<xf numFmtId="0" fontId="1" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1036 				'<xf numFmtId="0" fontId="2" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1037 				'<xf numFmtId="0" fontId="3" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1038 				'<xf numFmtId="0" fontId="4" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1039 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1040 				'<xf numFmtId="0" fontId="1" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1041 				'<xf numFmtId="0" fontId="2" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1042 				'<xf numFmtId="0" fontId="3" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1043 				'<xf numFmtId="0" fontId="4" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1044 				'<xf numFmtId="0" fontId="0" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1045 				'<xf numFmtId="0" fontId="1" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1046 				'<xf numFmtId="0" fontId="2" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1047 				'<xf numFmtId="0" fontId="3" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1048 				'<xf numFmtId="0" fontId="4" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1049 				'<xf numFmtId="0" fontId="0" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1050 				'<xf numFmtId="0" fontId="1" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1051 				'<xf numFmtId="0" fontId="2" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1052 				'<xf numFmtId="0" fontId="3" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1053 				'<xf numFmtId="0" fontId="4" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1054 				'<xf numFmtId="0" fontId="0" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1055 				'<xf numFmtId="0" fontId="1" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1056 				'<xf numFmtId="0" fontId="2" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1057 				'<xf numFmtId="0" fontId="3" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1058 				'<xf numFmtId="0" fontId="4" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1059 				'<xf numFmtId="0" fontId="0" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1060 				'<xf numFmtId="0" fontId="1" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1061 				'<xf numFmtId="0" fontId="2" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1062 				'<xf numFmtId="0" fontId="3" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1063 				'<xf numFmtId="0" fontId="4" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
   1064 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1065 					'<alignment horizontal="left"/>'+
   1066 				'</xf>'+
   1067 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1068 					'<alignment horizontal="center"/>'+
   1069 				'</xf>'+
   1070 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1071 					'<alignment horizontal="right"/>'+
   1072 				'</xf>'+
   1073 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1074 					'<alignment horizontal="fill"/>'+
   1075 				'</xf>'+
   1076 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1077 					'<alignment textRotation="90"/>'+
   1078 				'</xf>'+
   1079 				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
   1080 					'<alignment wrapText="1"/>'+
   1081 				'</xf>'+
   1082 				'<xf numFmtId="9"   fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1083 				'<xf numFmtId="164" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1084 				'<xf numFmtId="165" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1085 				'<xf numFmtId="166" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1086 				'<xf numFmtId="167" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1087 				'<xf numFmtId="168" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1088 				'<xf numFmtId="169" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1089 				'<xf numFmtId="3" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1090 				'<xf numFmtId="4" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
   1091 			'</cellXfs>'+
   1092 			'<cellStyles count="1">'+
   1093 				'<cellStyle name="Normal" xfId="0" builtinId="0" />'+
   1094 			'</cellStyles>'+
   1095 			'<dxfs count="0" />'+
   1096 			'<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4" />'+
   1097 		'</styleSheet>'
   1098 };
   1099 // Note we could use 3 `for` loops for the styles, but when gzipped there is
   1100 // virtually no difference in size, since the above can be easily compressed
   1101 
   1102 // Pattern matching for special number formats. Perhaps this should be exposed
   1103 // via an API in future?
   1104 var _excelSpecials = [
   1105 	{ match: /^\-?\d+\.\d%$/,       style: 60, fmt: function (d) { return d/100; } }, // Precent with d.p.
   1106 	{ match: /^\-?\d+\.?\d*%$/,     style: 56, fmt: function (d) { return d/100; } }, // Percent
   1107 	{ match: /^\-?\$[\d,]+.?\d*$/,  style: 57 }, // Dollars
   1108 	{ match: /^\-?£[\d,]+.?\d*$/,   style: 58 }, // Pounds
   1109 	{ match: /^\-?€[\d,]+.?\d*$/,   style: 59 }, // Euros
   1110 	{ match: /^\([\d,]+\)$/,        style: 61, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets
   1111 	{ match: /^\([\d,]+\.\d{2}\)$/, style: 62, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets - 2d.p.
   1112 	{ match: /^[\d,]+$/,            style: 63 }, // Numbers with thousand separators
   1113 	{ match: /^[\d,]+\.\d{2}$/,     style: 64 }  // Numbers with 2d.p. and thousands separators
   1114 ];
   1115 
   1116 
   1117 
   1118 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   1119  * DataTables options and methods
   1120  */
   1121 
   1122 // Set the default SWF path
   1123 DataTable.Buttons.swfPath = '//cdn.datatables.net/buttons/1.2.4/swf/flashExport.swf';
   1124 
   1125 // Method to allow Flash buttons to be resized when made visible - as they are
   1126 // of zero height and width if initialised hidden
   1127 DataTable.Api.register( 'buttons.resize()', function () {
   1128 	$.each( ZeroClipboard_TableTools.clients, function ( i, client ) {
   1129 		if ( client.domElement !== undefined && client.domElement.parentNode ) {
   1130 			client.positionElement();
   1131 		}
   1132 	} );
   1133 } );
   1134 
   1135 
   1136 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   1137  * Button definitions
   1138  */
   1139 
   1140 // Copy to clipboard
   1141 DataTable.ext.buttons.copyFlash = $.extend( {}, flashButton, {
   1142 	className: 'buttons-copy buttons-flash',
   1143 
   1144 	text: function ( dt ) {
   1145 		return dt.i18n( 'buttons.copy', 'Copy' );
   1146 	},
   1147 
   1148 	action: function ( e, dt, button, config ) {
   1149 		// Check that the trigger did actually occur due to a Flash activation
   1150 		if ( ! config._fromFlash ) {
   1151 			return;
   1152 		}
   1153 
   1154 		this.processing( true );
   1155 
   1156 		var flash = config._flash;
   1157 		var data = _exportData( dt, config );
   1158 		var output = config.customize ?
   1159 			config.customize( data.str, config ) :
   1160 			data.str;
   1161 
   1162 		flash.setAction( 'copy' );
   1163 		_setText( flash, output );
   1164 
   1165 		this.processing( false );
   1166 
   1167 		dt.buttons.info(
   1168 			dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),
   1169 			dt.i18n( 'buttons.copySuccess', {
   1170 				_: 'Copied %d rows to clipboard',
   1171 				1: 'Copied 1 row to clipboard'
   1172 			}, data.rows ),
   1173 			3000
   1174 		);
   1175 	},
   1176 
   1177 	fieldSeparator: '\t',
   1178 
   1179 	fieldBoundary: ''
   1180 } );
   1181 
   1182 // CSV save file
   1183 DataTable.ext.buttons.csvFlash = $.extend( {}, flashButton, {
   1184 	className: 'buttons-csv buttons-flash',
   1185 
   1186 	text: function ( dt ) {
   1187 		return dt.i18n( 'buttons.csv', 'CSV' );
   1188 	},
   1189 
   1190 	action: function ( e, dt, button, config ) {
   1191 		// Set the text
   1192 		var flash = config._flash;
   1193 		var data = _exportData( dt, config );
   1194 		var output = config.customize ?
   1195 			config.customize( data.str, config ) :
   1196 			data.str;
   1197 
   1198 		flash.setAction( 'csv' );
   1199 		flash.setFileName( _filename( config ) );
   1200 		_setText( flash, output );
   1201 	},
   1202 
   1203 	escapeChar: '"'
   1204 } );
   1205 
   1206 // Excel save file - this is really a CSV file using UTF-8 that Excel can read
   1207 DataTable.ext.buttons.excelFlash = $.extend( {}, flashButton, {
   1208 	className: 'buttons-excel buttons-flash',
   1209 
   1210 	text: function ( dt ) {
   1211 		return dt.i18n( 'buttons.excel', 'Excel' );
   1212 	},
   1213 
   1214 	action: function ( e, dt, button, config ) {
   1215 		this.processing( true );
   1216 
   1217 		var flash = config._flash;
   1218 		var rowPos = 0;
   1219 		var rels = $.parseXML( excelStrings['xl/worksheets/sheet1.xml'] ) ; //Parses xml
   1220 		var relsGet = rels.getElementsByTagName( "sheetData" )[0];
   1221 
   1222 		var xlsx = {
   1223 			_rels: {
   1224 				".rels": $.parseXML( excelStrings['_rels/.rels'] )
   1225 			},
   1226 			xl: {
   1227 				_rels: {
   1228 					"workbook.xml.rels": $.parseXML( excelStrings['xl/_rels/workbook.xml.rels'] )
   1229 				},
   1230 				"workbook.xml": $.parseXML( excelStrings['xl/workbook.xml'] ),
   1231 				"styles.xml": $.parseXML( excelStrings['xl/styles.xml'] ),
   1232 				"worksheets": {
   1233 					"sheet1.xml": rels
   1234 				}
   1235 
   1236 			},
   1237 			"[Content_Types].xml": $.parseXML( excelStrings['[Content_Types].xml'])
   1238 		};
   1239 
   1240 		var data = dt.buttons.exportData( config.exportOptions );
   1241 		var currentRow, rowNode;
   1242 		var addRow = function ( row ) {
   1243 			currentRow = rowPos+1;
   1244 			rowNode = _createNode( rels, "row", { attr: {r:currentRow} } );
   1245 
   1246 			for ( var i=0, ien=row.length ; i<ien ; i++ ) {
   1247 				// Concat both the Cell Columns as a letter and the Row of the cell.
   1248 				var cellId = createCellPos(i) + '' + currentRow;
   1249 				var cell = null;
   1250 
   1251 				// For null, undefined of blank cell, continue so it doesn't create the _createNode
   1252 				if ( row[i] === null || row[i] === undefined || row[i] === '' ) {
   1253 					continue;
   1254 				}
   1255 
   1256 				row[i] = $.trim( row[i] );
   1257 
   1258 				// Special number formatting options
   1259 				for ( var j=0, jen=_excelSpecials.length ; j<jen ; j++ ) {
   1260 					var special = _excelSpecials[j];
   1261 
   1262 					// TODO Need to provide the ability for the specials to say
   1263 					// if they are returning a string, since at the moment it is
   1264 					// assumed to be a number
   1265 					if ( row[i].match && ! row[i].match(/^0\d+/) && row[i].match( special.match ) ) {
   1266 						var val = row[i].replace(/[^\d\.\-]/g, '');
   1267 
   1268 						if ( special.fmt ) {
   1269 							val = special.fmt( val );
   1270 						}
   1271 
   1272 						cell = _createNode( rels, 'c', {
   1273 							attr: {
   1274 								r: cellId,
   1275 								s: special.style
   1276 							},
   1277 							children: [
   1278 								_createNode( rels, 'v', { text: val } )
   1279 							]
   1280 						} );
   1281 
   1282 						break;
   1283 					}
   1284 				}
   1285 
   1286 				if ( ! cell ) {
   1287 					if ( typeof row[i] === 'number' || (
   1288 						row[i].match &&
   1289 						row[i].match(/^-?\d+(\.\d+)?$/) &&
   1290 						! row[i].match(/^0\d+/) )
   1291 					) {
   1292 						// Detect numbers - don't match numbers with leading zeros
   1293 						// or a negative anywhere but the start
   1294 						cell = _createNode( rels, 'c', {
   1295 							attr: {
   1296 								t: 'n',
   1297 								r: cellId
   1298 							},
   1299 							children: [
   1300 								_createNode( rels, 'v', { text: row[i] } )
   1301 							]
   1302 						} );
   1303 					}
   1304 					else {
   1305 						// String output - replace non standard characters for text output
   1306 						var text = ! row[i].replace ?
   1307 							row[i] :
   1308 							row[i].replace(/[\x00-\x09\x0B\x0C\x0E-\x1F\x7F-\x9F]/g, '');
   1309 
   1310 						cell = _createNode( rels, 'c', {
   1311 							attr: {
   1312 								t: 'inlineStr',
   1313 								r: cellId
   1314 							},
   1315 							children:{
   1316 								row: _createNode( rels, 'is', {
   1317 									children: {
   1318 										row: _createNode( rels, 't', {
   1319 											text: text
   1320 										} )
   1321 									}
   1322 								} )
   1323 							}
   1324 						} );
   1325 					}
   1326 				}
   1327 
   1328 				rowNode.appendChild( cell );
   1329 			}
   1330 
   1331 			relsGet.appendChild(rowNode);
   1332 			rowPos++;
   1333 		};
   1334 
   1335 		$( 'sheets sheet', xlsx.xl['workbook.xml'] ).attr( 'name', _sheetname( config ) );
   1336 
   1337 		if ( config.customizeData ) {
   1338 			config.customizeData( data );
   1339 		}
   1340 
   1341 		if ( config.header ) {
   1342 			addRow( data.header, rowPos );
   1343 			$('row c', rels).attr( 's', '2' ); // bold
   1344 		}
   1345 
   1346 		for ( var n=0, ie=data.body.length ; n<ie ; n++ ) {
   1347 			addRow( data.body[n], rowPos );
   1348 		}
   1349 
   1350 		if ( config.footer && data.footer ) {
   1351 			addRow( data.footer, rowPos);
   1352 			$('row:last c', rels).attr( 's', '2' ); // bold
   1353 		}
   1354 
   1355 		// Set column widths
   1356 		var cols = _createNode( rels, 'cols' );
   1357 		$('worksheet', rels).prepend( cols );
   1358 
   1359 		for ( var i=0, ien=data.header.length ; i<ien ; i++ ) {
   1360 			cols.appendChild( _createNode( rels, 'col', {
   1361 				attr: {
   1362 					min: i+1,
   1363 					max: i+1,
   1364 					width: _excelColWidth( data, i ),
   1365 					customWidth: 1
   1366 				}
   1367 			} ) );
   1368 		}
   1369 
   1370 		// Let the developer customise the document if they want to
   1371 		if ( config.customize ) {
   1372 			config.customize( xlsx );
   1373 		}
   1374 
   1375 		_xlsxToStrings( xlsx );
   1376 
   1377 		flash.setAction( 'excel' );
   1378 		flash.setFileName( _filename( config ) );
   1379 		flash.setSheetData( xlsx );
   1380 		_setText( flash, '' );
   1381 
   1382 		this.processing( false );
   1383 	},
   1384 
   1385 	extension: '.xlsx'
   1386 } );
   1387 
   1388 
   1389 
   1390 // PDF export
   1391 DataTable.ext.buttons.pdfFlash = $.extend( {}, flashButton, {
   1392 	className: 'buttons-pdf buttons-flash',
   1393 
   1394 	text: function ( dt ) {
   1395 		return dt.i18n( 'buttons.pdf', 'PDF' );
   1396 	},
   1397 
   1398 	action: function ( e, dt, button, config ) {
   1399 		this.processing( true );
   1400 
   1401 		// Set the text
   1402 		var flash = config._flash;
   1403 		var data = dt.buttons.exportData( config.exportOptions );
   1404 		var totalWidth = dt.table().node().offsetWidth;
   1405 
   1406 		// Calculate the column width ratios for layout of the table in the PDF
   1407 		var ratios = dt.columns( config.columns ).indexes().map( function ( idx ) {
   1408 			return dt.column( idx ).header().offsetWidth / totalWidth;
   1409 		} );
   1410 
   1411 		flash.setAction( 'pdf' );
   1412 		flash.setFileName( _filename( config ) );
   1413 
   1414 		_setText( flash, JSON.stringify( {
   1415 			title:       _filename(config, false),
   1416 			message: typeof config.message == 'function' ? config.message(dt, button, config) : config.message,
   1417 			colWidth:    ratios.toArray(),
   1418 			orientation: config.orientation,
   1419 			size:        config.pageSize,
   1420 			header:      config.header ? data.header : null,
   1421 			footer:      config.footer ? data.footer : null,
   1422 			body:        data.body
   1423 		} ) );
   1424 
   1425 		this.processing( false );
   1426 	},
   1427 
   1428 	extension: '.pdf',
   1429 
   1430 	orientation: 'portrait',
   1431 
   1432 	pageSize: 'A4',
   1433 
   1434 	message: '',
   1435 
   1436 	newline: '\n'
   1437 } );
   1438 
   1439 
   1440 return DataTable.Buttons;
   1441 }));