// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/74d79147cc08bf5df3fff73f0cda0681 
// Or build this file again with packager using: packager build More/Element.Delegation More/Element.Position More/Element.Shortcuts More/Assets
/*
---

script: More.js

name: More

description: MooTools More

license: MIT-style license

authors:
  - Guillermo Rauch
  - Thomas Aylott
  - Scott Kyle
  - Arian Stolwijk
  - Tim Wienk
  - Christoph Pojer
  - Aaron Newton

requires:
  - Core/MooTools

provides: [MooTools.More]

...
*/

MooTools.More = {
	'version': '1.3.0.1',
	'build': '6dce99bed2792dffcbbbb4ddc15a1fb9a41994b5'
};


/*
---

name: Events.Pseudos

description: Adds the functionallity to add pseudo events

license: MIT-style license

authors:
  - Arian Stolwijk

requires: [Core/Class.Extras, Core/Slick.Parser, More/MooTools.More]

provides: [Events.Pseudos]

...
*/

Events.Pseudos = function(pseudos, addEvent, removeEvent){

	var storeKey = 'monitorEvents:';

	var storageOf = function(object){

		return {
			store: object.store ? function(key, value){
				object.store(storeKey + key, value);
			} : function(key, value){
				(object.$monitorEvents || (object.$monitorEvents = {}))[key] = value;
			},
			retrieve: object.retrieve ? function(key, dflt){
				return object.retrieve(storeKey + key, dflt);
			} : function(key, dflt){
				if (!object.$monitorEvents) return dflt;
				return object.$monitorEvents[key] || dflt;
			}
		};
	};


	var splitType = function(type){
		if (type.indexOf(':') == -1) return null;

		var parsed = Slick.parse(type).expressions[0][0],
			parsedPseudos = parsed.pseudos;

		return (pseudos && pseudos[parsedPseudos[0].key]) ? {
			event: parsed.tag,
			value: parsedPseudos[0].value,
			pseudo: parsedPseudos[0].key,
			original: type
		} : null;
	};


	return {

		addEvent: function(type, fn, internal){
			var split = splitType(type);
			if (!split) return addEvent.call(this, type, fn, internal);

			var storage = storageOf(this),
				events = storage.retrieve(type, []),
				pseudoArgs = Array.from(pseudos[split.pseudo]),
				proxy = pseudoArgs[1];

			var self = this;
			var monitor = function(){
				pseudoArgs[0].call(self, split, fn, arguments, proxy);
			};

			events.include({event: fn, monitor: monitor});
			storage.store(type, events);

			var eventType = split.event;
			if (proxy && proxy[eventType]) eventType = proxy[eventType].base;

			addEvent.call(this, type, fn, internal);
			return addEvent.call(this, eventType, monitor, internal);
		},

		removeEvent: function(type, fn){
			var split = splitType(type);
			if (!split) return removeEvent.call(this, type, fn);

			var storage = storageOf(this),
				events = storage.retrieve(type),
				pseudoArgs = Array.from(pseudos[split.pseudo]),
				proxy = pseudoArgs[1];

			if (!events) return this;

			var eventType = split.event;
			if (proxy && proxy[eventType]) eventType = proxy[eventType].base;

			removeEvent.call(this, type, fn);
			events.each(function(monitor, i){
				if (!fn || monitor.event == fn) removeEvent.call(this, eventType, monitor.monitor);
				delete events[i];
			}, this);

			storage.store(type, events);
			return this;
		}

	};

};

(function(){

var pseudos = {

	once: function(split, fn, args){
		fn.apply(this, args);
		this.removeEvent(split.original, fn);
	}

};

Events.definePseudo = function(key, fn){
	pseudos[key] = fn;
};

var proto = Events.prototype;
Events.implement(Events.Pseudos(pseudos, proto.addEvent, proto.removeEvent));

})();


/*
---

name: Element.Event.Pseudos

description: Adds the functionality to add pseudo events for Elements

license: MIT-style license

authors:
  - Arian Stolwijk

requires: [Core/Element.Event, Events.Pseudos]

provides: [Element.Event.Pseudos]

...
*/

(function(){

var pseudos = {

	once: function(split, fn, args){
		fn.apply(this, args);
		this.removeEvent(split.original, fn);
	}

};

Event.definePseudo = function(key, fn, proxy){
	pseudos[key] = [fn, proxy];
};

var proto = Element.prototype;
[Element, Window, Document].invoke('implement', Events.Pseudos(pseudos, proto.addEvent, proto.removeEvent));

})();


/*
---

script: Element.Delegation.js

name: Element.Delegation

description: Extends the Element native object to include the delegate method for more efficient event management.

credits:
  - "Event checking based on the work of Daniel Steigerwald. License: MIT-style license. Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz"

license: MIT-style license

authors:
  - Aaron Newton
  - Daniel Steigerwald

requires: [/MooTools.More, Element.Event.Pseudos]

provides: [Element.Delegation]

...
*/


Event.definePseudo('relay', function(split, fn, args, proxy){
	var event = args[0];
	var check = proxy ? proxy.condition : null;

	for (var target = event.target; target && target != this; target = target.parentNode){
		var finalTarget = document.id(target);
		if (Slick.match(target, split.value) && (!check || check.call(finalTarget, event))){
			if (finalTarget) fn.call(finalTarget, event, finalTarget);
			return;
		}
	}

}, {
	mouseenter: {
		base: 'mouseover',
		condition: Element.Events.mouseenter.condition
	},
	mouseleave: {
		base: 'mouseout',
		condition: Element.Events.mouseleave.condition
	}
});


/*
---

script: Element.Measure.js

name: Element.Measure

description: Extends the Element native object to include methods useful in measuring dimensions.

credits: "Element.measure / .expose methods by Daniel Steigerwald License: MIT-style license. Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz"

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Element.Style
  - Core/Element.Dimensions
  - /MooTools.More

provides: [Element.Measure]

...
*/

(function(){

var getStylesList = function(styles, planes){
	var list = [];
	Object.each(planes, function(directions){
		Object.each(directions, function(edge){
			styles.each(function(style){
				list.push(style + '-' + edge + (style == 'border' ? '-width' : ''));
			});
		});
	});
	return list;
};

var calculateEdgeSize = function(edge, styles){
	var total = 0;
	Object.each(styles, function(value, style){
		if (style.test(edge)) total = total + value.toInt();
	});
	return total;
};


Element.implement({

	measure: function(fn){
		var visibility = function(el){
			return !!(!el || el.offsetHeight || el.offsetWidth);
		};
		if (visibility(this)) return fn.apply(this);
		var parent = this.getParent(),
			restorers = [],
			toMeasure = [];
		while (!visibility(parent) && parent != document.body){
			toMeasure.push(parent.expose());
			parent = parent.getParent();
		}
		var restore = this.expose();
		var result = fn.apply(this);
		restore();
		toMeasure.each(function(restore){
			restore();
		});
		return result;
	},

	expose: function(){
		if (this.getStyle('display') != 'none') return function(){};
		var before = this.style.cssText;
		this.setStyles({
			display: 'block',
			position: 'absolute',
			visibility: 'hidden'
		});
		return function(){
			this.style.cssText = before;
		}.bind(this);
	},

	getDimensions: function(options){
		options = Object.merge({computeSize: false}, options);
		var dim = {x: 0, y: 0};

		var getSize = function(el, options){
			return (options.computeSize) ? el.getComputedSize(options) : el.getSize();
		};

		var parent = this.getParent('body');

		if (parent && this.getStyle('display') == 'none'){
			dim = this.measure(function(){
				return getSize(this, options);
			});
		} else if (parent){
			try { //safari sometimes crashes here, so catch it
				dim = getSize(this, options);
			}catch(e){}
		}

		return Object.append(dim, (dim.x || dim.x === 0) ? {
				width: dim.x,
				height: dim.y
			} : {
				x: dim.width,
				y: dim.height
			}
		);
	},

	getComputedSize: function(options){
		

		options = Object.merge({
			styles: ['padding','border'],
			planes: {
				height: ['top','bottom'],
				width: ['left','right']
			},
			mode: 'both'
		}, options);

		var styles = {},
			size = {width: 0, height: 0};

		if (options.mode == 'vertical'){
			delete size.width;
			delete options.planes.width;
		} else if (options.mode == 'horizontal'){
			delete size.height;
			delete options.planes.height;
		}


		getStylesList(options.styles, options.planes).each(function(style){
			styles[style] = this.getStyle(style).toInt();
		}, this);

		Object.each(options.planes, function(edges, plane){

			var capitalized = plane.capitalize();
			styles[plane] = this.getStyle(plane).toInt();
			size['total' + capitalized] = styles[plane];

			edges.each(function(edge){
				var edgesize = calculateEdgeSize(edge, styles);
				size['computed' + edge.capitalize()] = edgesize;
				size['total' + capitalized] += edgesize;
			});

		}, this);

		return Object.append(size, styles);
	}

});

})();


/*
---

script: Element.Position.js

name: Element.Position

description: Extends the Element native object to include methods useful positioning elements relative to others.

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Element.Dimensions
  - /Element.Measure

provides: [Element.Position]

...
*/

(function(){

var original = Element.prototype.position;

Element.implement({

	position: function(options){
		//call original position if the options are x/y values
		if (options && (options.x != null || options.y != null)){
			return original ? original.apply(this, arguments) : this;
		}

		Object.each(options || {}, function(v, k){
			if (v == null) delete options[k];
		});

		options = Object.merge({
			// minimum: { x: 0, y: 0 },
			// maximum: { x: 0, y: 0},
			relativeTo: document.body,
			position: {
				x: 'center', //left, center, right
				y: 'center' //top, center, bottom
			},
			offset: {x: 0, y: 0}/*,
			edge: false,
			returnPos: false,
			relFixedPosition: false,
			ignoreMargins: false,
			ignoreScroll: false,
			allowNegative: false*/
		}, options);

		//compute the offset of the parent positioned element if this element is in one
		var parentOffset = {x: 0, y: 0},
			parentPositioned = false;

		/* dollar around getOffsetParent should not be necessary, but as it does not return
		 * a mootools extended element in IE, an error occurs on the call to expose. See:
		 * http://mootools.lighthouseapp.com/projects/2706/tickets/333-element-getoffsetparent-inconsistency-between-ie-and-other-browsers */
		var offsetParent = this.measure(function(){
			return document.id(this.getOffsetParent());
		});
		if (offsetParent && offsetParent != this.getDocument().body){
			parentOffset = offsetParent.measure(function(){
				return this.getPosition();
			});
			parentPositioned = offsetParent != document.id(options.relativeTo);
			options.offset.x = options.offset.x - parentOffset.x;
			options.offset.y = options.offset.y - parentOffset.y;
		}

		//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
		//topRight, topLeft, centerTop, centerBottom, center
		var fixValue = function(option){
			if (typeOf(option) != 'string') return option;
			option = option.toLowerCase();
			var val = {};

			if (option.test('left')){
				val.x = 'left';
			} else if (option.test('right')){
				val.x = 'right';
			} else {
				val.x = 'center';
			}

			if (option.test('upper') || option.test('top')){
				val.y = 'top';
			} else if (option.test('bottom')){
				val.y = 'bottom';
			} else {
				val.y = 'center';
			}

			return val;
		};

		options.edge = fixValue(options.edge);
		options.position = fixValue(options.position);
		if (!options.edge){
			if (options.position.x == 'center' && options.position.y == 'center') options.edge = {x:'center', y:'center'};
			else options.edge = {x:'left', y:'top'};
		}

		this.setStyle('position', 'absolute');
		var rel = document.id(options.relativeTo) || document.body,
				calc = rel == document.body ? window.getScroll() : rel.getPosition(),
				top = calc.y, left = calc.x;

		var dim = this.getDimensions({
			computeSize: true,
			styles:['padding', 'border','margin']
		});

		var pos = {},
			prefY = options.offset.y,
			prefX = options.offset.x,
			winSize = window.getSize();

		switch(options.position.x){
			case 'left':
				pos.x = left + prefX;
				break;
			case 'right':
				pos.x = left + prefX + rel.offsetWidth;
				break;
			default: //center
				pos.x = left + ((rel == document.body ? winSize.x : rel.offsetWidth)/2) + prefX;
				break;
		}

		switch(options.position.y){
			case 'top':
				pos.y = top + prefY;
				break;
			case 'bottom':
				pos.y = top + prefY + rel.offsetHeight;
				break;
			default: //center
				pos.y = top + ((rel == document.body ? winSize.y : rel.offsetHeight)/2) + prefY;
				break;
		}

		if (options.edge){
			var edgeOffset = {};

			switch(options.edge.x){
				case 'left':
					edgeOffset.x = 0;
					break;
				case 'right':
					edgeOffset.x = -dim.x-dim.computedRight-dim.computedLeft;
					break;
				default: //center
					edgeOffset.x = -(dim.totalWidth/2);
					break;
			}

			switch(options.edge.y){
				case 'top':
					edgeOffset.y = 0;
					break;
				case 'bottom':
					edgeOffset.y = -dim.y-dim.computedTop-dim.computedBottom;
					break;
				default: //center
					edgeOffset.y = -(dim.totalHeight/2);
					break;
			}

			pos.x += edgeOffset.x;
			pos.y += edgeOffset.y;
		}

		pos = {
			left: ((pos.x >= 0 || parentPositioned || options.allowNegative) ? pos.x : 0).toInt(),
			top: ((pos.y >= 0 || parentPositioned || options.allowNegative) ? pos.y : 0).toInt()
		};

		var xy = {left: 'x', top: 'y'};

		['minimum', 'maximum'].each(function(minmax){
			['left', 'top'].each(function(lr){
				var val = options[minmax] ? options[minmax][xy[lr]] : null;
				if (val != null && ((minmax == 'minimum') ? pos[lr] < val : pos[lr] > val)) pos[lr] = val;
			});
		});

		if (rel.getStyle('position') == 'fixed' || options.relFixedPosition){
			var winScroll = window.getScroll();
			pos.top+= winScroll.y;
			pos.left+= winScroll.x;
		}
		if (options.ignoreScroll){
			var relScroll = rel.getScroll();
			pos.top -= relScroll.y;
			pos.left -= relScroll.x;
		}

		if (options.ignoreMargins){
			pos.left += (
				options.edge.x == 'right' ? dim['margin-right'] :
				options.edge.x == 'center' ? -dim['margin-left'] + ((dim['margin-right'] + dim['margin-left'])/2) :
					- dim['margin-left']
			);
			pos.top += (
				options.edge.y == 'bottom' ? dim['margin-bottom'] :
				options.edge.y == 'center' ? -dim['margin-top'] + ((dim['margin-bottom'] + dim['margin-top'])/2) :
					- dim['margin-top']
			);
		}

		pos.left = Math.ceil(pos.left);
		pos.top = Math.ceil(pos.top);
		if (options.returnPos) return pos;
		else this.setStyles(pos);
		return this;
	}

});

})();


/*
---

script: Element.Shortcuts.js

name: Element.Shortcuts

description: Extends the Element native object to include some shortcut methods.

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Element.Style
  - /MooTools.More

provides: [Element.Shortcuts]

...
*/

Element.implement({

	isDisplayed: function(){
		return this.getStyle('display') != 'none';
	},

	isVisible: function(){
		var w = this.offsetWidth,
			h = this.offsetHeight;
		return (w == 0 && h == 0) ? false : (w > 0 && h > 0) ? true : this.style.display != 'none';
	},

	toggle: function(){
		return this[this.isDisplayed() ? 'hide' : 'show']();
	},

	hide: function(){
		var d;
		try {
			//IE fails here if the element is not in the dom
			d = this.getStyle('display');
		} catch(e){}
		if (d == 'none') return this;
		return this.store('element:_originalDisplay', d || '').setStyle('display', 'none');
	},

	show: function(display){
		if (!display && this.isDisplayed()) return this;
		display = display || this.retrieve('element:_originalDisplay') || 'block';
		return this.setStyle('display', (display == 'none') ? 'block' : display);
	},

	swapClass: function(remove, add){
		return this.removeClass(remove).addClass(add);
	}

});

Document.implement({

	clearSelection: function(){
		if (document.selection && document.selection.empty){
			document.selection.empty();
		} else if (window.getSelection){
			var selection = window.getSelection();
			if (selection && selection.removeAllRanges) selection.removeAllRanges();
		}
	}

});


/*
---

script: Assets.js

name: Assets

description: Provides methods to dynamically load JavaScript, CSS, and Image files into the document.

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Element.Event
  - /MooTools.More

provides: [Assets]

...
*/

var Asset = {

	javascript: function(source, properties){
		properties = Object.append({
			document: document
		}, properties);

		if (properties.onLoad){
			properties.onload = properties.onLoad;
			delete properties.onLoad;
		}

		var script = new Element('script', {src: source, type: 'text/javascript'});
		var load = properties.onload || function(){},
			doc = properties.document;
		delete properties.onload;
		delete properties.document;

		return script.addEvents({
			load: load,
			readystatechange: function(){
				if (['loaded', 'complete'].contains(this.readyState)) load.call(this);
			}
		}).set(properties).inject(doc.head);
	},

	css: function(source, properties){
		properties = properties || {};
		var onload = properties.onload || properties.onLoad;
		if (onload){
			properties.events = properties.events || {};
			properties.events.load = onload;
			delete properties.onload;
			delete properties.onLoad;
		}
		return new Element('link', Object.merge({
			rel: 'stylesheet',
			media: 'screen',
			type: 'text/css',
			href: source
		}, properties)).inject(document.head);
	},

	image: function(source, properties){
		properties = Object.merge({
			onload: function(){},
			onabort: function(){},
			onerror: function(){}
		}, properties);
		var image = new Image();
		var element = document.id(image) || new Element('img');
		['load', 'abort', 'error'].each(function(name){
			var type = 'on' + name;
			var cap = name.capitalize();
			if (properties['on' + cap]){
				properties[type] = properties['on' + cap];
				delete properties['on' + cap];
			}
			var event = properties[type];
			delete properties[type];
			image[type] = function(){
				if (!image) return;
				if (!element.parentNode){
					element.width = image.width;
					element.height = image.height;
				}
				image = image.onload = image.onabort = image.onerror = null;
				event.delay(1, element, element);
				element.fireEvent(name, element, 1);
			};
		});
		image.src = element.src = source;
		if (image && image.complete) image.onload.delay(1);
		return element.set(properties);
	},

	images: function(sources, options){
		options = Object.merge({
			onComplete: function(){},
			onProgress: function(){},
			onError: function(){},
			properties: {}
		}, options);
		sources = Array.from(sources);
		var counter = 0;
		return new Elements(sources.map(function(source, index){
			return Asset.image(source, Object.append(options.properties, {
				onload: function(){
					counter++;
					options.onProgress.call(this, counter, index, source);
					if (counter == sources.length) options.onComplete();
				},
				onerror: function(){
					counter++;
					options.onError.call(this, counter, index, source);
					if (counter == sources.length) options.onComplete();
				}
			}));
		}));
	}

};


