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/*!

 * Flash export buttons for Buttons and DataTables.

 * 2015 SpryMedia Ltd - datatables.net/license

 *

 * ZeroClipbaord - MIT license

 * Copyright (c) 2012 Joseph Huckaby

 */

(function($, DataTable) {

"use strict";

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * ZeroClipboard dependency

 */

/*

 * ZeroClipboard 1.0.4 with modifications

 * Author: Joseph Huckaby

 * License: MIT

 *

 * Copyright (c) 2012 Joseph Huckaby

 */

var ZeroClipboard_TableTools = {

	version: "1.0.4-TableTools2",

	clients: {}, // registered upload clients on page, indexed by id

	moviePath: '', // URL to movie

	nextId: 1, // ID of next movie

	$: function(thingy) {

		// simple DOM lookup utility function

		if (typeof(thingy) == 'string') {

			thingy = document.getElementById(thingy);

		}

		if (!thingy.addClass) {

			// extend element with a few useful methods

			thingy.hide = function() { this.style.display = 'none'; };

			thingy.show = function() { this.style.display = ''; };

			thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };

			thingy.removeClass = function(name) {

				this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');

			};

			thingy.hasClass = function(name) {

				return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );

			};

		}

		return thingy;

	},

	setMoviePath: function(path) {

		// set path to ZeroClipboard.swf

		this.moviePath = path;

	},

	dispatch: function(id, eventName, args) {

		// receive event from flash movie, send to client

		var client = this.clients[id];

		if (client) {

			client.receiveEvent(eventName, args);

		}

	},

	register: function(id, client) {

		// register new client to receive events

		this.clients[id] = client;

	},

	getDOMObjectPosition: function(obj) {

		// get absolute coordinates for dom element

		var info = {

			left: 0,

			top: 0,

			width: obj.width ? obj.width : obj.offsetWidth,

			height: obj.height ? obj.height : obj.offsetHeight

		};

		if ( obj.style.width !== "" ) {

			info.width = obj.style.width.replace("px","");

		}

		if ( obj.style.height !== "" ) {

			info.height = obj.style.height.replace("px","");

		}

		while (obj) {

			info.left += obj.offsetLeft;

			info.top += obj.offsetTop;

			obj = obj.offsetParent;

		}

		return info;

	},

	Client: function(elem) {

		// constructor for new simple upload client

		this.handlers = {};

		// unique ID

		this.id = ZeroClipboard_TableTools.nextId++;

		this.movieId = 'ZeroClipboard_TableToolsMovie_' + this.id;

		// register client with singleton to receive flash events

		ZeroClipboard_TableTools.register(this.id, this);

		// create movie

		if (elem) {

			this.glue(elem);

		}

	}

};

ZeroClipboard_TableTools.Client.prototype = {

	id: 0, // unique ID for us

	ready: false, // whether movie is ready to receive events or not

	movie: null, // reference to movie object

	clipText: '', // text to copy to clipboard

	fileName: '', // default file save name

	action: 'copy', // action to perform

	handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor

	cssEffects: true, // enable CSS mouse effects on dom container

	handlers: null, // user event handlers

	sized: false,

	glue: function(elem, title) {

		// glue to DOM element

		// elem can be ID or actual DOM element object

		this.domElement = ZeroClipboard_TableTools.$(elem);

		// float just above object, or zIndex 99 if dom element isn't set

		var zIndex = 99;

		if (this.domElement.style.zIndex) {

			zIndex = parseInt(this.domElement.style.zIndex, 10) + 1;

		}

		// find X/Y position of domElement

		var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);

		// create floating DIV above element

		this.div = document.createElement('div');

		var style = this.div.style;

		style.position = 'absolute';

		style.left = '0px';

		style.top = '0px';

		style.width = (box.width) + 'px';

		style.height = box.height + 'px';

		style.zIndex = zIndex;

		if ( typeof title != "undefined" && title !== "" ) {

			this.div.title = title;

		}

		if ( box.width !== 0 && box.height !== 0 ) {

			this.sized = true;

		}

		// style.backgroundColor = '#f00'; // debug

		if ( this.domElement ) {

			this.domElement.appendChild(this.div);

			this.div.innerHTML = this.getHTML( box.width, box.height ).replace(/&/g, '&');

		}

	},

	positionElement: function() {

		var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);

		var style = this.div.style;

		style.position = 'absolute';

		//style.left = (this.domElement.offsetLeft)+'px';

		//style.top = this.domElement.offsetTop+'px';

		style.width = box.width + 'px';

		style.height = box.height + 'px';

		if ( box.width !== 0 && box.height !== 0 ) {

			this.sized = true;

		} else {

			return;

		}

		var flash = this.div.childNodes[0];

		flash.width = box.width;

		flash.height = box.height;

	},

	getHTML: function(width, height) {

		// return HTML for movie

		var html = '';

		var flashvars = 'id=' + this.id +

			'&width=' + width +

			'&height=' + height;

		if (navigator.userAgent.match(/MSIE/)) {

			// IE gets an OBJECT tag

			var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';

			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>';

		}

		else {

			// all other browsers get an EMBED tag

			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" />';

		}

		return html;

	},

	hide: function() {

		// temporarily hide floater offscreen

		if (this.div) {

			this.div.style.left = '-2000px';

		}

	},

	show: function() {

		// show ourselves after a call to hide()

		this.reposition();

	},

	destroy: function() {

		// destroy control and floater

		var that = this;

		if (this.domElement && this.div) {

			$(this.div).remove();

			this.domElement = null;

			this.div = null;

			$.each( ZeroClipboard_TableTools.clients, function ( id, client ) {

				if ( client === that ) {

					delete ZeroClipboard_TableTools.clients[ id ];

				}

			} );

		}

	},

	reposition: function(elem) {

		// reposition our floating div, optionally to new container

		// warning: container CANNOT change size, only position

		if (elem) {

			this.domElement = ZeroClipboard_TableTools.$(elem);

			if (!this.domElement) {

				this.hide();

			}

		}

		if (this.domElement && this.div) {

			var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);

			var style = this.div.style;

			style.left = '' + box.left + 'px';

			style.top = '' + box.top + 'px';

		}

	},

	clearText: function() {

		// clear the text to be copy / saved

		this.clipText = '';

		if (this.ready) {

			this.movie.clearText();

		}

	},

	appendText: function(newText) {

		// append text to that which is to be copied / saved

		this.clipText += newText;

		if (this.ready) { this.movie.appendText(newText) ;}

	},

	setText: function(newText) {

		// set text to be copied to be copied / saved

		this.clipText = newText;

		if (this.ready) { this.movie.setText(newText) ;}

	},

	setFileName: function(newText) {

		// set the file name

		this.fileName = newText;

		if (this.ready) {

			this.movie.setFileName(newText);

		}

	},

	setAction: function(newText) {

		// set action (save or copy)

		this.action = newText;

		if (this.ready) {

			this.movie.setAction(newText);

		}

	},

	addEventListener: function(eventName, func) {

		// add user event listener for event

		// event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel

		eventName = eventName.toString().toLowerCase().replace(/^on/, '');

		if (!this.handlers[eventName]) {

			this.handlers[eventName] = [];

		}

		this.handlers[eventName].push(func);

	},

	setHandCursor: function(enabled) {

		// enable hand cursor (true), or default arrow cursor (false)

		this.handCursorEnabled = enabled;

		if (this.ready) {

			this.movie.setHandCursor(enabled);

		}

	},

	setCSSEffects: function(enabled) {

		// enable or disable CSS effects on DOM container

		this.cssEffects = !!enabled;

	},

	receiveEvent: function(eventName, args) {

		var self;

		// receive event from flash

		eventName = eventName.toString().toLowerCase().replace(/^on/, '');

		// special behavior for certain events

		switch (eventName) {

			case 'load':

				// movie claims it is ready, but in IE this isn't always the case...

				// bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function

				this.movie = document.getElementById(this.movieId);

				if (!this.movie) {

					self = this;

					setTimeout( function() { self.receiveEvent('load', null); }, 1 );

					return;

				}

				// firefox on pc needs a "kick" in order to set these in certain cases

				if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {

					self = this;

					setTimeout( function() { self.receiveEvent('load', null); }, 100 );

					this.ready = true;

					return;

				}

				this.ready = true;

				this.movie.clearText();

				this.movie.appendText( this.clipText );

				this.movie.setFileName( this.fileName );

				this.movie.setAction( this.action );

				this.movie.setHandCursor( this.handCursorEnabled );

				break;

			case 'mouseover':

				if (this.domElement && this.cssEffects) {

					//this.domElement.addClass('hover');

					if (this.recoverActive) {

						this.domElement.addClass('active');

					}

				}

				break;

			case 'mouseout':

				if (this.domElement && this.cssEffects) {

					this.recoverActive = false;

					if (this.domElement.hasClass('active')) {

						this.domElement.removeClass('active');

						this.recoverActive = true;

					}

					//this.domElement.removeClass('hover');

				}

				break;

			case 'mousedown':

				if (this.domElement && this.cssEffects) {

					this.domElement.addClass('active');

				}

				break;

			case 'mouseup':

				if (this.domElement && this.cssEffects) {

					this.domElement.removeClass('active');

					this.recoverActive = false;

				}

				break;

		} // switch eventName

		if (this.handlers[eventName]) {

			for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {

				var func = this.handlers[eventName][idx];

				if (typeof(func) == 'function') {

					// actual function reference

					func(this, args);

				}

				else if ((typeof(func) == 'object') && (func.length == 2)) {

					// PHP style object + method, i.e. [myObject, 'myMethod']

					func[0][ func[1] ](this, args);

				}

				else if (typeof(func) == 'string') {

					// name of function

					window[func](this, args);

				}

			} // foreach event handler defined

		} // user defined handler for event

	}

};

ZeroClipboard_TableTools.hasFlash = function ()

{

	try {

		var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');

		if (fo) {

			return true;

		}

	}

	catch (e) {

		if (

			navigator.mimeTypes &&

			navigator.mimeTypes['application/x-shockwave-flash'] !== undefined &&

			navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin

		) {

			return true;

		}

	}

	return false;

};

// For the Flash binding to work, ZeroClipboard_TableTools must be on the global

// object list

window.ZeroClipboard_TableTools = ZeroClipboard_TableTools;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Local (private) functions

 */

/**

 * If a Buttons instance is initlaised before it is placed into the DOM, Flash

 * won't be able to bind to it, so we need to wait until it is available, this

 * method abstracts that out.

 *

 * @param {ZeroClipboard} flash ZeroClipboard instance

 * @param {jQuery} node  Button

 */

var _glue = function ( flash, node )

{

	var id = node.attr('id');

	if ( node.parents('html').length ) {

		flash.glue( node[0], '' );

	}

	else {

		setTimeout( function () {

			_glue( flash, node );

		}, 500 );

	}

};

/**

 * Get the title / file name for an exported file.

 *

 * @param {object}  config       Button configuration

 * @param {boolean} incExtension Include the file name extension

 */

var _filename = function ( config, incExtension )

{

	var title = config.title;

	if ( title.indexOf( '*' ) !== -1 ) {

		title = title.replace( '*', $('title').text() );

	}

	// Strip characters which the OS will object to

	title = title.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");

	return incExtension === undefined || incExtension === true ?

		title+config.extension :

		title;

};

/**

 * Set the flash text. This has to be broken up into chunks as the Javascript /

 * Flash bridge has a size limit. There is no indication in the Flash

 * documentation what this is, and it probably depends upon the browser.

 * Experimentation shows that the point is around 50k when data starts to get

 * lost, so an 8K limit used here is safe.

 *

 * @param {ZeroClipboard} flash ZeroClipboard instance

 * @param {string}        data  Data to send to Flash

 */

var _setText = function ( flash, data )

{

	var parts = data.match(/[\s\S]{1,8192}/g) || [];

	flash.clearText();

	for ( var i=0, len=parts.length ; i<len ; i++ )

	{

		flash.appendText( parts[i] );

	}

};

/**

 * 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 join = function ( a ) {

		var s = '';

		var boundary = config.fieldBoundary;

		var separator = config.fieldSeparator;

		// 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<ien ; i++ ) {

			if ( i > 0 ) {

				s += separator;

			}

			s += boundary ?

				boundary + a[i].replace( boundary, '\\'+boundary ) + boundary :

				a[i];

		}

		return s;

	};

	var header = config.header ? join( data.header )+newLine : '';

	var footer = config.footer ? newLine+join( data.footer ) : '';

	var body = [];

	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {

		body.push( join( data.body[i] ) );

	}

	return {

		str: header + body.join( newLine ) + footer,

		rows: body.length

	};

};

// Basic initialisation for the buttons is common between them

var flashButton = {

	available: function () {

		return ZeroClipboard_TableTools.hasFlash();

	},

	init: function ( dt, button, config ) {

		// Insert the Flash movie

		ZeroClipboard_TableTools.moviePath = DataTable.Buttons.swfPath;

		var flash = new ZeroClipboard_TableTools.Client();

		flash.setHandCursor( true );

		flash.addEventListener('mouseDown', function(client) {

			config._fromFlash = true;

			dt.button( button[0] ).trigger();

			config._fromFlash = false;

		} );

		_glue( flash, button );

		config._flash = flash;

	},

	destroy: function ( dt, button, config ) {

		config._flash.destroy();

	},

	fieldSeparator: ',',

	fieldBoundary: '"',

	exportOptions: {},

	title: '*',

	extension: '.csv',

	header: true,

	footer: false

};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * DataTables options and methods

 */

// Set the default SWF path

DataTable.Buttons.swfPath = '//cdn.datatables.net/buttons/1.0.0/swf/flashExport.swf';

// Method to allow Flash buttons to be resized when made visible - as they are

// of zero height and width if initialised hidden

DataTable.Api.register( 'buttons.resize()', function () {

	$.each( ZeroClipboard_TableTools.clients, function ( i, client ) {

		if ( client.domElement !== undefined && client.domElement.parentNode ) {

			client.positionElement();

		}

	} );

} );

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Button definitions

 */

// Copy to clipboard

DataTable.ext.buttons.copyFlash = $.extend( {}, flashButton, {

	className: 'buttons-copy buttons-flash',

	text: function ( dt ) {

		return dt.i18n( 'buttons.copy', 'Copy' );

	},

	action: function ( e, dt, button, config ) {

		// Check that the trigger did actually occur due to a Flash activation

		if ( ! config._fromFlash ) {

			return;

		}

		var flash = config._flash;

		var data = _exportData( dt, config );

		flash.setAction( 'copy' );

		_setText( flash, data.str );

		dt.buttons.info(

			dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),

			dt.i18n( 'buttons.copyInfo', {

				_: 'Copied %d rows to clipboard',

				1: 'Copied 1 row to clipboard'

			}, data.rows ),

			3000

		);

	},

	fieldSeparator: '\t',

	fieldBoundary: ''

} );

// CSV save file

DataTable.ext.buttons.csvFlash = $.extend( {}, flashButton, {

	className: 'buttons-csv buttons-flash',

	text: function ( dt ) {

		return dt.i18n( 'buttons.csv', 'CSV' );

	},

	action: function ( e, dt, button, config ) {

		// Set the text

		var flash = config._flash;

		var data = _exportData( dt, config );

		flash.setAction( 'csv' );

		flash.setFileName( _filename( config ) );

		_setText( flash, data.str );

	}

} );

// Excel save file - this is really a CSV file using UTF-8 that Excel can read

DataTable.ext.buttons.excelFlash = $.extend( {}, flashButton, {

	className: 'buttons-excel buttons-flash',

	text: function ( dt ) {

		return dt.i18n( 'buttons.excel', 'Excel' );

	},

	action: function ( e, dt, button, config ) {

		// Set the text

		var xml = '';

		var flash = config._flash;

		var data = dt.buttons.exportData( config.exportOptions );

		var addRow = function ( row ) {

			var cells = [];

			for ( var i=0, ien=row.length ; i<ien ; i++ ) {

				cells.push( $.isNumeric( row[i] ) ?

					'<c t="n"><v>'+row[i]+'</v></c>' :

					'<c t="inlineStr"><is><t>'+

						row[i].replace(/&(?!amp;)/g, '&')+

					'</t></is></c>'

				);

			}

			return '<row>'+cells.join('')+'</row>';

		};

		if ( config.header ) {

			xml += addRow( data.header );

		}

		for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {

			xml += addRow( data.body[i] );

		}

		if ( config.footer ) {

			xml += addRow( data.footer );

		}

		flash.setAction( 'excel' );

		flash.setFileName( _filename( config ) );

		_setText( flash, xml );

	},

	extension: '.xlsx'

} );

// PDF export

DataTable.ext.buttons.pdfFlash = $.extend( {}, flashButton, {

	className: 'buttons-pdf buttons-flash',

	text: function ( dt ) {

		return dt.i18n( 'buttons.pdf', 'PDF' );

	},

	action: function ( e, dt, button, config ) {

		// Set the text

		var flash = config._flash;

		var data = dt.buttons.exportData( config.exportOptions );

		var totalWidth = dt.table().node().offsetWidth;

		// Calculate the column width ratios for layout of the table in the PDF

		var ratios = dt.columns( config.columns ).indexes().map( function ( idx ) {

			return dt.column( idx ).header().offsetWidth / totalWidth;

		} );

		flash.setAction( 'pdf' );

		flash.setFileName( _filename( config ) );

		_setText( flash, JSON.stringify( {

			title:       _filename(config, false),

			message:     config.message,

			colWidth:    ratios.toArray(),

			orientation: config.orientation,

			size:        config.pageSize,

			header:      config.header ? data.header : null,

			footer:      config.footer ? data.footer : null,

			body:        data.body

		} ) );

	},

	extension: '.pdf',

	orientation: 'portrait',

	pageSize: 'A4',

	message: '',

	newline: '\n'

} );

})(jQuery, jQuery.fn.dataTable);