/*!
 * HTML5 export buttons for Buttons and DataTables.
 * 2016 SpryMedia Ltd - datatables.net/license
 *
 * FileSaver.js (1.3.3) - MIT license
 * Copyright © 2016 Eli Grey - http://eligrey.com
 */
(function( factory ){
	if ( typeof define === 'function' && define.amd ) {
		// AMD
		define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
			return factory( $, window, document );
		} );
	}
	else if ( typeof exports === 'object' ) {
		// CommonJS
		module.exports = function (root, $, jszip, pdfmake) {
			if ( ! root ) {
				root = window;
			}
			if ( ! $ || ! $.fn.dataTable ) {
				$ = require('datatables.net')(root, $).$;
			}
			if ( ! $.fn.dataTable.Buttons ) {
				require('datatables.net-buttons')(root, $);
			}
			return factory( $, root, root.document, jszip, pdfmake );
		};
	}
	else {
		// Browser
		factory( jQuery, window, document );
	}
}(function( $, window, document, jszip, pdfmake, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
// Allow the constructor to pass in JSZip and PDFMake from external requires.
// Otherwise, use globally defined variables, if they are available.
function _jsZip () {
	return jszip || window.JSZip;
}
function _pdfMake () {
	return pdfmake || window.pdfMake;
}
DataTable.Buttons.pdfMake = function (_) {
	if ( ! _ ) {
		return _pdfMake();
	}
	pdfmake = _;
}
DataTable.Buttons.jszip = function (_) {
	if ( ! _ ) {
		return _jsZip();
	}
	jszip = _;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * FileSaver.js dependency
 */
/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
var _saveAs = (function(view) {
	"use strict";
	// IE <10 is explicitly unsupported
	if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
		return;
	}
	var
		  doc = view.document
		  // only get URL when necessary in case Blob.js hasn't overridden it yet
		, get_URL = function() {
			return view.URL || view.webkitURL || view;
		}
		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
		, can_use_save_link = "download" in save_link
		, click = function(node) {
			var event = new MouseEvent("click");
			node.dispatchEvent(event);
		}
		, is_safari = /constructor/i.test(view.HTMLElement) || view.safari
		, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
		, throw_outside = function(ex) {
			(view.setImmediate || view.setTimeout)(function() {
				throw ex;
			}, 0);
		}
		, force_saveable_type = "application/octet-stream"
		// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
		, arbitrary_revoke_timeout = 1000 * 40 // in ms
		, revoke = function(file) {
			var revoker = function() {
				if (typeof file === "string") { // file is an object URL
					get_URL().revokeObjectURL(file);
				} else { // file is a File
					file.remove();
				}
			};
			setTimeout(revoker, arbitrary_revoke_timeout);
		}
		, dispatch = function(filesaver, event_types, event) {
			event_types = [].concat(event_types);
			var i = event_types.length;
			while (i--) {
				var listener = filesaver["on" + event_types[i]];
				if (typeof listener === "function") {
					try {
						listener.call(filesaver, event || filesaver);
					} catch (ex) {
						throw_outside(ex);
					}
				}
			}
		}
		, auto_bom = function(blob) {
			// prepend BOM for UTF-8 XML and text/* types (including HTML)
			// note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
			if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
				return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
			}
			return blob;
		}
		, FileSaver = function(blob, name, no_auto_bom) {
			if (!no_auto_bom) {
				blob = auto_bom(blob);
			}
			// First try a.download, then web filesystem, then object URLs
			var
				  filesaver = this
				, type = blob.type
				, force = type === force_saveable_type
				, object_url
				, dispatch_all = function() {
					dispatch(filesaver, "writestart progress write writeend".split(" "));
				}
				// on any filesys errors revert to saving with object URLs
				, fs_error = function() {
					if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
						// Safari doesn't allow downloading of blob urls
						var reader = new FileReader();
						reader.onloadend = function() {
							var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
							var popup = view.open(url, '_blank');
							if(!popup) view.location.href = url;
							url=undefined; // release reference before dispatching
							filesaver.readyState = filesaver.DONE;
							dispatch_all();
						};
						reader.readAsDataURL(blob);
						filesaver.readyState = filesaver.INIT;
						return;
					}
					// don't create more object URLs than needed
					if (!object_url) {
						object_url = get_URL().createObjectURL(blob);
					}
					if (force) {
						view.location.href = object_url;
					} else {
						var opened = view.open(object_url, "_blank");
						if (!opened) {
							// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
							view.location.href = object_url;
						}
					}
					filesaver.readyState = filesaver.DONE;
					dispatch_all();
					revoke(object_url);
				}
			;
			filesaver.readyState = filesaver.INIT;
			if (can_use_save_link) {
				object_url = get_URL().createObjectURL(blob);
				setTimeout(function() {
					save_link.href = object_url;
					save_link.download = name;
					click(save_link);
					dispatch_all();
					revoke(object_url);
					filesaver.readyState = filesaver.DONE;
				});
				return;
			}
			fs_error();
		}
		, FS_proto = FileSaver.prototype
		, saveAs = function(blob, name, no_auto_bom) {
			return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
		}
	;
	// IE 10+ (native saveAs)
	if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
		return function(blob, name, no_auto_bom) {
			name = name || blob.name || "download";
			if (!no_auto_bom) {
				blob = auto_bom(blob);
			}
			return navigator.msSaveOrOpenBlob(blob, name);
		};
	}
	FS_proto.abort = function(){};
	FS_proto.readyState = FS_proto.INIT = 0;
	FS_proto.WRITING = 1;
	FS_proto.DONE = 2;
	FS_proto.error =
	FS_proto.onwritestart =
	FS_proto.onprogress =
	FS_proto.onwrite =
	FS_proto.onabort =
	FS_proto.onerror =
	FS_proto.onwriteend =
		null;
	return saveAs;
}(
	   typeof self !== "undefined" && self
	|| typeof window !== "undefined" && window
	|| this.content
));
// Expose file saver on the DataTables API. Can't attach to `DataTables.Buttons`
// since this file can be loaded before Button's core!
DataTable.fileSave = _saveAs;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Local (private) functions
 */
/**
 * Get the sheet name for Excel exports.
 *
 * @param {object}	config Button configuration
 */
var _sheetname = function ( config )
{
	var sheetName = 'Sheet1';
	if ( config.sheetName ) {
		sheetName = config.sheetName.replace(/[\[\]\*\/\\\?\:]/g, '');
	}
	return sheetName;
};
/**
 * Get the newline character(s)
 *
 * @param {object}	config Button configuration
 * @return {string}				Newline character
 */
var _newLine = function ( config )
{
	return config.newline ?
		config.newline :
		navigator.userAgent.match(/Windows/) ?
			'\r\n' :
			'\n';
};
/**
 * Combine the data from the `buttons.exportData` method into a string that
 * will be used in the export file.
 *
 * @param	{DataTable.Api} dt		 DataTables API instance
 * @param	{object}				config Button configuration
 * @return {object}							 The data to export
 */
var _exportData = function ( dt, config )
{
	var newLine = _newLine( config );
	var data = dt.buttons.exportData( config.exportOptions );
	var boundary = config.fieldBoundary;
	var separator = config.fieldSeparator;
	var reBoundary = new RegExp( boundary, 'g' );
	var escapeChar = config.escapeChar !== undefined ?
		config.escapeChar :
		'\\';
	var join = function ( a ) {
		var s = '';
		// If there is a field boundary, then we might need to escape it in
		// the source data
		for ( var i=0, ien=a.length ; i 0 ) {
				s += separator;
			}
			s += boundary ?
				boundary + ('' + a[i]).replace( reBoundary, escapeChar+boundary ) + boundary :
				a[i];
		}
		return s;
	};
	var header = config.header ? join( data.header )+newLine : '';
	var footer = config.footer && data.footer ? newLine+join( data.footer ) : '';
	var body = [];
	for ( var i=0, ien=data.body.length ; i 1 && version[1]*1 < 603.1 ) {
		return true;
	}
	return false;
};
/**
 * Convert from numeric position to letter for column names in Excel
 * @param  {int} n Column number
 * @return {string} Column letter(s) name
 */
function createCellPos( n ){
	var ordA = 'A'.charCodeAt(0);
	var ordZ = 'Z'.charCodeAt(0);
	var len = ordZ - ordA + 1;
	var s = "";
	while( n >= 0 ) {
		s = String.fromCharCode(n % len + ordA) + s;
		n = Math.floor(n / len) - 1;
	}
	return s;
}
try {
	var _serialiser = new XMLSerializer();
	var _ieExcel;
}
catch (t) {}
/**
 * Recursively add XML files from an object's structure to a ZIP file. This
 * allows the XSLX file to be easily defined with an object's structure matching
 * the files structure.
 *
 * @param {JSZip} zip ZIP package
 * @param {object} obj Object to add (recursive)
 */
function _addToZip( zip, obj ) {
	if ( _ieExcel === undefined ) {
		// Detect if we are dealing with IE's _awful_ serialiser by seeing if it
		// drop attributes
		_ieExcel = _serialiser
			.serializeToString(
				( new window.DOMParser() ).parseFromString( excelStrings['xl/worksheets/sheet1.xml'], 'text/xml' )
			)
			.indexOf( 'xmlns:r' ) === -1;
	}
	$.each( obj, function ( name, val ) {
		if ( $.isPlainObject( val ) ) {
			var newDir = zip.folder( name );
			_addToZip( newDir, val );
		}
		else {
			if ( _ieExcel ) {
				// IE's XML serialiser will drop some name space attributes from
				// from the root node, so we need to save them. Do this by
				// replacing the namespace nodes with a regular attribute that
				// we convert back when serialised. Edge does not have this
				// issue
				var worksheet = val.childNodes[0];
				var i, ien;
				var attrs = [];
				for ( i=worksheet.attributes.length-1 ; i>=0 ; i-- ) {
					var attrName = worksheet.attributes[i].nodeName;
					var attrValue = worksheet.attributes[i].nodeValue;
					if ( attrName.indexOf( ':' ) !== -1 ) {
						attrs.push( { name: attrName, value: attrValue } );
						worksheet.removeAttribute( attrName );
					}
				}
				for ( i=0, ien=attrs.length ; i]*?) xmlns=""([^<>]*?)>/g, '<$1 $2>' );
			zip.file( name, str );
		}
	} );
}
/**
 * Create an XML node and add any children, attributes, etc without needing to
 * be verbose in the DOM.
 *
 * @param  {object} doc      XML document
 * @param  {string} nodeName Node name
 * @param  {object} opts     Options - can be `attr` (attributes), `children`
 *   (child nodes) and `text` (text content)
 * @return {node}            Created node
 */
function _createNode( doc, nodeName, opts ) {
	var tempNode = doc.createElement( nodeName );
	if ( opts ) {
		if ( opts.attr ) {
			$(tempNode).attr( opts.attr );
		}
		if ( opts.children ) {
			$.each( opts.children, function ( key, value ) {
				tempNode.appendChild( value );
			} );
		}
		if ( opts.text !== null && opts.text !== undefined ) {
			tempNode.appendChild( doc.createTextNode( opts.text ) );
		}
	}
	return tempNode;
}
/**
 * Get the width for an Excel column based on the contents of that column
 * @param  {object} data Data for export
 * @param  {int}    col  Column index
 * @return {int}         Column width
 */
function _excelColWidth( data, col ) {
	var max = data.header[col].length;
	var len, lineSplit, str;
	if ( data.footer && data.footer[col].length > max ) {
		max = data.footer[col].length;
	}
	for ( var i=0, ien=data.body.length ; i max ) {
			max = len;
		}
		// Max width rather than having potentially massive column widths
		if ( max > 40 ) {
			return 54; // 40 * 1.35
		}
	}
	max *= 1.35;
	// And a min width
	return max > 6 ? max : 6;
}
// Excel - Pre-defined strings to build a basic XLSX file
var excelStrings = {
	"_rels/.rels":
		''+
		''+
			''+
		'',
	"xl/_rels/workbook.xml.rels":
		''+
		''+
			''+
			''+
		'',
	"[Content_Types].xml":
		''+
		''+
			''+
			''+
			''+
			''+
			''+
			''+
		'',
	"xl/workbook.xml":
		''+
		''+
			''+
			''+
			''+
				''+
			''+
			''+
				''+
			''+
			''+
		'',
	"xl/worksheets/sheet1.xml":
		''+
		''+
			''+
			''+
		'',
	"xl/styles.xml":
		''+
		''+
			''+
				''+
				''+
				''+
				''+
				''+
				''+
			''+
			''+
				''+
					''+
					''+
				''+
				''+
					''+
					''+
					''+
				''+
				''+
					''+
					''+
					''+
				''+
				''+
					''+
					''+
					''+
				''+
				''+
					''+
					''+
					''+
				''+
			''+
			''+
				''+
					''+
				''+
				''+ // Excel appears to use this as a dotted background regardless of values but
					''+ // to be valid to the schema, use a patternFill
				''+
				''+
					''+
						''+
						''+
					''+
				''+
				''+
					''+
						''+
						''+
					''+
				''+
				''+
					''+
						''+
						''+
					''+
				''+
				''+
					''+
						''+
						''+
					''+
				''+
			''+
			''+
				''+
					''+
					''+
					''+
					''+
					''+
				''+
				''+
					''+
						''+
					''+
					''+
						''+
					''+
					''+
						''+
					''+
					''+
						''+
					''+
					''+
				''+
			''+
			''+
				''+
			''+
			''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
					''+
				''+
				''+
					''+
				''+
				''+
					''+
				''+
				''+
					''+
				''+
				''+
					''+
				''+
				''+
					''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
				''+
			''+
			''+
				''+
			''+
			''+
			''+
		''
};
// Note we could use 3 `for` loops for the styles, but when gzipped there is
// virtually no difference in size, since the above can be easily compressed
// Pattern matching for special number formats. Perhaps this should be exposed
// via an API in future?
// Ref: section 3.8.30 - built in formatters in open spreadsheet
//   https://www.ecma-international.org/news/TC45_current_work/Office%20Open%20XML%20Part%204%20-%20Markup%20Language%20Reference.pdf
var _excelSpecials = [
	{ match: /^\-?\d+\.\d%$/,               style: 60, fmt: function (d) { return d/100; } }, // Precent with d.p.
	{ match: /^\-?\d+\.?\d*%$/,             style: 56, fmt: function (d) { return d/100; } }, // Percent
	{ match: /^\-?\$[\d,]+.?\d*$/,          style: 57 }, // Dollars
	{ match: /^\-?£[\d,]+.?\d*$/,           style: 58 }, // Pounds
	{ match: /^\-?€[\d,]+.?\d*$/,           style: 59 }, // Euros
	{ match: /^\-?\d+$/,                    style: 65 }, // Numbers without thousand separators
	{ match: /^\-?\d+\.\d{2}$/,             style: 66 }, // Numbers 2 d.p. without thousands separators
	{ match: /^\([\d,]+\)$/,                style: 61, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets
	{ match: /^\([\d,]+\.\d{2}\)$/,         style: 62, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets - 2d.p.
	{ match: /^\-?[\d,]+$/,                 style: 63 }, // Numbers with thousand separators
	{ match: /^\-?[\d,]+\.\d{2}$/,          style: 64 },
	{ match: /^[\d]{4}\-[\d]{2}\-[\d]{2}$/, style: 67, fmt: function (d) {return Math.round(25569 + (Date.parse(d) / (86400 * 1000)));}} //Date yyyy-mm-dd
];
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Buttons
 */
//
// Copy to clipboard
//
DataTable.ext.buttons.copyHtml5 = {
	className: 'buttons-copy buttons-html5',
	text: function ( dt ) {
		return dt.i18n( 'buttons.copy', 'Copy' );
	},
	action: function ( e, dt, button, config ) {
		this.processing( true );
		var that = this;
		var exportData = _exportData( dt, config );
		var info = dt.buttons.exportInfo( config );
		var newline = _newLine(config);
		var output = exportData.str;
		var hiddenDiv = $('')
			.css( {
				height: 1,
				width: 1,
				overflow: 'hidden',
				position: 'fixed',
				top: 0,
				left: 0
			} );
		if ( info.title ) {
			output = info.title + newline + newline + output;
		}
		if ( info.messageTop ) {
			output = info.messageTop + newline + newline + output;
		}
		if ( info.messageBottom ) {
			output = output + newline + newline + info.messageBottom;
		}
		if ( config.customize ) {
			output = config.customize( output, config, dt );
		}
		var textarea = $('')
			.val( output )
			.appendTo( hiddenDiv );
		// For browsers that support the copy execCommand, try to use it
		if ( document.queryCommandSupported('copy') ) {
			hiddenDiv.appendTo( dt.table().container() );
			textarea[0].focus();
			textarea[0].select();
			try {
				var successful = document.execCommand( 'copy' );
				hiddenDiv.remove();
				if (successful) {
					dt.buttons.info(
						dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),
						dt.i18n( 'buttons.copySuccess', {
							1: 'Copied one row to clipboard',
							_: 'Copied %d rows to clipboard'
						}, exportData.rows ),
						2000
					);
					this.processing( false );
					return;
				}
			}
			catch (t) {}
		}
		// Otherwise we show the text box and instruct the user to use it
		var message = $(''+dt.i18n( 'buttons.copyKeys',
				'Press ctrl or \u2318 + C to copy the table data
to your system clipboard.
'+
				'To cancel, click this message or press escape.' )+''
			)
			.append( hiddenDiv );
		dt.buttons.info( dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ), message, 0 );
		// Select the text so when the user activates their system clipboard
		// it will copy that text
		textarea[0].focus();
		textarea[0].select();
		// Event to hide the message when the user is done
		var container = $(message).closest('.dt-button-info');
		var close = function () {
			container.off( 'click.buttons-copy' );
			$(document).off( '.buttons-copy' );
			dt.buttons.info( false );
		};
		container.on( 'click.buttons-copy', close );
		$(document)
			.on( 'keydown.buttons-copy', function (e) {
				if ( e.keyCode === 27 ) { // esc
					close();
					that.processing( false );
				}
			} )
			.on( 'copy.buttons-copy cut.buttons-copy', function () {
				close();
				that.processing( false );
			} );
	},
	exportOptions: {},
	fieldSeparator: '\t',
	fieldBoundary: '',
	header: true,
	footer: false,
	title: '*',
	messageTop: '*',
	messageBottom: '*'
};
//
// CSV export
//
DataTable.ext.buttons.csvHtml5 = {
	bom: false,
	className: 'buttons-csv buttons-html5',
	available: function () {
		return window.FileReader !== undefined && window.Blob;
	},
	text: function ( dt ) {
		return dt.i18n( 'buttons.csv', 'CSV' );
	},
	action: function ( e, dt, button, config ) {
		this.processing( true );
		// Set the text
		var output = _exportData( dt, config ).str;
		var info = dt.buttons.exportInfo(config);
		var charset = config.charset;
		if ( config.customize ) {
			output = config.customize( output, config, dt );
		}
		if ( charset !== false ) {
			if ( ! charset ) {
				charset = document.characterSet || document.charset;
			}
			if ( charset ) {
				charset = ';charset='+charset;
			}
		}
		else {
			charset = '';
		}
		if ( config.bom ) {
			output = String.fromCharCode(0xFEFF) + output;
		}
		_saveAs(
			new Blob( [output], {type: 'text/csv'+charset} ),
			info.filename,
			true
		);
		this.processing( false );
	},
	filename: '*',
	extension: '.csv',
	exportOptions: {},
	fieldSeparator: ',',
	fieldBoundary: '"',
	escapeChar: '"',
	charset: null,
	header: true,
	footer: false
};
//
// Excel (xlsx) export
//
DataTable.ext.buttons.excelHtml5 = {
	className: 'buttons-excel buttons-html5',
	available: function () {
		return window.FileReader !== undefined && _jsZip() !== undefined && ! _isDuffSafari() && _serialiser;
	},
	text: function ( dt ) {
		return dt.i18n( 'buttons.excel', 'Excel' );
	},
	action: function ( e, dt, button, config ) {
		this.processing( true );
		var that = this;
		var rowPos = 0;
		var dataStartRow, dataEndRow;
		var getXml = function ( type ) {
			var str = excelStrings[ type ];
			//str = str.replace( /xmlns:/g, 'xmlns_' ).replace( /mc:/g, 'mc_' );
			return $.parseXML( str );
		};
		var rels = getXml('xl/worksheets/sheet1.xml');
		var relsGet = rels.getElementsByTagName( "sheetData" )[0];
		var xlsx = {
			_rels: {
				".rels": getXml('_rels/.rels')
			},
			xl: {
				_rels: {
					"workbook.xml.rels": getXml('xl/_rels/workbook.xml.rels')
				},
				"workbook.xml": getXml('xl/workbook.xml'),
				"styles.xml": getXml('xl/styles.xml'),
				"worksheets": {
					"sheet1.xml": rels
				}
			},
			"[Content_Types].xml": getXml('[Content_Types].xml')
		};
		var data = dt.buttons.exportData( config.exportOptions );
		var currentRow, rowNode;
		var addRow = function ( row ) {
			currentRow = rowPos+1;
			rowNode = _createNode( rels, "row", { attr: {r:currentRow} } );
			for ( var i=0, ien=row.length ; i