/**
   * @license Highcharts JS v3.0.6 (2013-10-04)
   * MooTools adapter
   *
   * (c) 2010-2013 Torstein Hønsi
   *
   * License: www.highcharts.com/license
   */
  
  // JSLint options:
  /*global Fx, $, $extend, $each, $merge, Events, Event, DOMEvent */
  
  (function () {
  
  var win = window,
  	doc = document,
  	mooVersion = win.MooTools.version.substring(0, 3), // Get the first three characters of the version number
  	legacy = mooVersion === '1.2' || mooVersion === '1.1', // 1.1 && 1.2 considered legacy, 1.3 is not.
  	legacyEvent = legacy || mooVersion === '1.3', // In versions 1.1 - 1.3 the event class is named Event, in newer versions it is named DOMEvent.
  	$extend = win.$extend || function () {
  		return Object.append.apply(Object, arguments);
  	};
  
  win.HighchartsAdapter = {
  	/**
  	 * Initialize the adapter. This is run once as Highcharts is first run.
  	 * @param {Object} pathAnim The helper object to do animations across adapters.
  	 */
  	init: function (pathAnim) {
  		var fxProto = Fx.prototype,
  			fxStart = fxProto.start,
  			morphProto = Fx.Morph.prototype,
  			morphCompute = morphProto.compute;
  
  		// override Fx.start to allow animation of SVG element wrappers
  		/*jslint unparam: true*//* allow unused parameters in fx functions */
  		fxProto.start = function (from, to) {
  			var fx = this,
  				elem = fx.element;
  
  			// special for animating paths
  			if (from.d) {
  				//this.fromD = this.element.d.split(' ');
  				fx.paths = pathAnim.init(
  					elem,
  					elem.d,
  					fx.toD
  				);
  			}
  			fxStart.apply(fx, arguments);
  
  			return this; // chainable
  		};
  
  		// override Fx.step to allow animation of SVG element wrappers
  		morphProto.compute = function (from, to, delta) {
  			var fx = this,
  				paths = fx.paths;
  
  			if (paths) {
  				fx.element.attr(
  					'd',
  					pathAnim.step(paths[0], paths[1], delta, fx.toD)
  				);
  			} else {
  				return morphCompute.apply(fx, arguments);
  			}
  		};
  		/*jslint unparam: false*/
  	},
  	
  	/**
  	 * Run a general method on the framework, following jQuery syntax
  	 * @param {Object} el The HTML element
  	 * @param {String} method Which method to run on the wrapped element
  	 */
  	adapterRun: function (el, method) {
  		
  		// This currently works for getting inner width and height. If adding
  		// more methods later, we need a conditional implementation for each.
  		if (method === 'width' || method === 'height') {
  			return parseInt($(el).getStyle(method), 10);
  		}
  	},
  
  	/**
  	 * Downloads a script and executes a callback when done.
  	 * @param {String} scriptLocation
  	 * @param {Function} callback
  	 */
  	getScript: function (scriptLocation, callback) {
  		// We cannot assume that Assets class from mootools-more is available so instead insert a script tag to download script.
  		var head = doc.getElementsByTagName('head')[0];
  		var script = doc.createElement('script');
  
  		script.type = 'text/javascript';
  		script.src = scriptLocation;
  		script.onload = callback;
  
  		head.appendChild(script);
  	},
  
  	/**
  	 * Animate a HTML element or SVG element wrapper
  	 * @param {Object} el
  	 * @param {Object} params
  	 * @param {Object} options jQuery-like animation options: duration, easing, callback
  	 */
  	animate: function (el, params, options) {
  		var isSVGElement = el.attr,
  			effect,
  			complete = options && options.complete;
  
  		if (isSVGElement && !el.setStyle) {
  			// add setStyle and getStyle methods for internal use in Moo
  			el.getStyle = el.attr;
  			el.setStyle = function () { // property value is given as array in Moo - break it down
  				var args = arguments;
  				this.attr.call(this, args[0], args[1][0]);
  			};
  			// dirty hack to trick Moo into handling el as an element wrapper
  			el.$family = function () { return true; };
  		}
  
  		// stop running animations
  		win.HighchartsAdapter.stop(el);
  
  		// define and run the effect
  		effect = new Fx.Morph(
  			isSVGElement ? el : $(el),
  			$extend({
  				transition: Fx.Transitions.Quad.easeInOut
  			}, options)
  		);
  
  		// Make sure that the element reference is set when animating svg elements
  		if (isSVGElement) {
  			effect.element = el;
  		}
  
  		// special treatment for paths
  		if (params.d) {
  			effect.toD = params.d;
  		}
  
  		// jQuery-like events
  		if (complete) {
  			effect.addEvent('complete', complete);
  		}
  
  		// run
  		effect.start(params);
  
  		// record for use in stop method
  		el.fx = effect;
  	},
  
  	/**
  	 * MooTool's each function
  	 *
  	 */
  	each: function (arr, fn) {
  		return legacy ?
  			$each(arr, fn) :
  			Array.each(arr, fn);
  	},
  
  	/**
  	 * Map an array
  	 * @param {Array} arr
  	 * @param {Function} fn
  	 */
  	map: function (arr, fn) {
  		return arr.map(fn);
  	},
  
  	/**
  	 * Grep or filter an array
  	 * @param {Array} arr
  	 * @param {Function} fn
  	 */
  	grep: function (arr, fn) {
  		return arr.filter(fn);
  	},
  	
  	/**
  	 * Return the index of an item in an array, or -1 if not matched
  	 */
  	inArray: function (item, arr, from) {
  		return arr ? arr.indexOf(item, from) : -1;
  	},
  
  	/**
  	 * Get the offset of an element relative to the top left corner of the web page
  	 */
  	offset: function (el) {
  		var offsets = el.getPosition(); // #1496
  		return {
  			left: offsets.x,
  			top: offsets.y
  		};
  	},
  
  	/**
  	 * Extends an object with Events, if its not done
  	 */
  	extendWithEvents: function (el) {
  		// if the addEvent method is not defined, el is a custom Highcharts object
  		// like series or point
  		if (!el.addEvent) {
  			if (el.nodeName) {
  				el = $(el); // a dynamically generated node
  			} else {
  				$extend(el, new Events()); // a custom object
  			}
  		}
  	},
  
  	/**
  	 * Add an event listener
  	 * @param {Object} el HTML element or custom object
  	 * @param {String} type Event type
  	 * @param {Function} fn Event handler
  	 */
  	addEvent: function (el, type, fn) {
  		if (typeof type === 'string') { // chart broke due to el being string, type function
  
  			if (type === 'unload') { // Moo self destructs before custom unload events
  				type = 'beforeunload';
  			}
  
  			win.HighchartsAdapter.extendWithEvents(el);
  
  			el.addEvent(type, fn);
  		}
  	},
  
  	removeEvent: function (el, type, fn) {
  		if (typeof el === 'string') {
  			// el.removeEvents below apperantly calls this method again. Do not quite understand why, so for now just bail out.
  			return;
  		}
  		
  		if (el.addEvent) { // If el doesn't have an addEvent method, there are no events to remove
  			if (type) {
  				if (type === 'unload') { // Moo self destructs before custom unload events
  					type = 'beforeunload';
  				}
  	
  				if (fn) {
  					el.removeEvent(type, fn);
  				} else if (el.removeEvents) { // #958
  					el.removeEvents(type);
  				}
  			} else {
  				el.removeEvents();
  			}
  		}
  	},
  
  	fireEvent: function (el, event, eventArguments, defaultFunction) {
  		var eventArgs = {
  			type: event,
  			target: el
  		};
  		// create an event object that keeps all functions
  		event = legacyEvent ? new Event(eventArgs) : new DOMEvent(eventArgs);
  		event = $extend(event, eventArguments);
  
  		// When running an event on the Chart.prototype, MooTools nests the target in event.event
  		if (!event.target && event.event) {
  			event.target = event.event.target;
  		}
  
  		// override the preventDefault function to be able to use
  		// this for custom events
  		event.preventDefault = function () {
  			defaultFunction = null;
  		};
  		// if fireEvent is not available on the object, there hasn't been added
  		// any events to it above
  		if (el.fireEvent) {
  			el.fireEvent(event.type, event);
  		}
  
  		// fire the default if it is passed and it is not prevented above
  		if (defaultFunction) {
  			defaultFunction(event);
  		}
  	},
  	
  	/**
  	 * Set back e.pageX and e.pageY that MooTools has abstracted away. #1165, #1346.
  	 */
  	washMouseEvent: function (e) {
  		if (e.page) {
  			e.pageX = e.page.x;
  			e.pageY = e.page.y;
  		}
  		return e;
  	},
  
  	/**
  	 * Stop running animations on the object
  	 */
  	stop: function (el) {
  		if (el.fx) {
  			el.fx.cancel();
  		}
  	}
  };
  
  }());