// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/7e9cfe21bf09bec4128667fed05296a8 
// Or build this file again with packager using: packager build More/Mask
/*
---

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'
};


/*
---

script: Class.Binds.js

name: Class.Binds

description: Automagically binds specified methods in a class to the instance of the class.

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Class
  - /MooTools.More

provides: [Class.Binds]

...
*/

Class.Mutators.Binds = function(binds){
	return binds;
};

Class.Mutators.initialize = function(initialize){
	return function(){
		Array.from(this.Binds).each(function(name){
			var original = this[name];
			if (original) this[name] = original.bind(this);
		}, this);
		return initialize.apply(this, arguments);
	};
};


/*
---

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){
		//<1.2compat>
		//legacy support for my stupid spelling error
		if (options && options.plains) options.planes = options.plains;
		//</1.2compat>

		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: Class.Occlude.js

name: Class.Occlude

description: Prevents a class from being applied to a DOM element twice.

license: MIT-style license.

authors:
  - Aaron Newton

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

provides: [Class.Occlude]

...
*/

Class.Occlude = new Class({

	occlude: function(property, element){
		element = document.id(element || this.element);
		var instance = element.retrieve(property || this.property);
		if (instance && this.occluded != null)
			return this.occluded = instance;

		this.occluded = false;
		element.store(property || this.property, this);
		return this.occluded;
	}

});


/*
---

script: IframeShim.js

name: IframeShim

description: Defines IframeShim, a class for obscuring select lists and flash objects in IE.

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Element.Event
  - Core/Element.Style
  - Core/Options
  - Core/Events
  - /Element.Position
  - /Class.Occlude

provides: [IframeShim]

...
*/

var IframeShim = new Class({

	Implements: [Options, Events, Class.Occlude],

	options: {
		className: 'iframeShim',
		src: 'javascript:false;document.write("");',
		display: false,
		zIndex: null,
		margin: 0,
		offset: {x: 0, y: 0},
		browsers: ((Browser.ie && Browser.version == 6) || (Browser.firefox && Browser.version < 3 && Browser.Platform.mac))
	},

	property: 'IframeShim',

	initialize: function(element, options){
		this.element = document.id(element);
		if (this.occlude()) return this.occluded;
		this.setOptions(options);
		this.makeShim();
		return this;
	},

	makeShim: function(){
		if (this.options.browsers){
			var zIndex = this.element.getStyle('zIndex').toInt();

			if (!zIndex){
				zIndex = 1;
				var pos = this.element.getStyle('position');
				if (pos == 'static' || !pos) this.element.setStyle('position', 'relative');
				this.element.setStyle('zIndex', zIndex);
			}
			zIndex = ((this.options.zIndex != null || this.options.zIndex === 0) && zIndex > this.options.zIndex) ? this.options.zIndex : zIndex - 1;
			if (zIndex < 0) zIndex = 1;
			this.shim = new Element('iframe', {
				src: this.options.src,
				scrolling: 'no',
				frameborder: 0,
				styles: {
					zIndex: zIndex,
					position: 'absolute',
					border: 'none',
					filter: 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
				},
				'class': this.options.className
			}).store('IframeShim', this);
			var inject = (function(){
				this.shim.inject(this.element, 'after');
				this[this.options.display ? 'show' : 'hide']();
				this.fireEvent('inject');
			}).bind(this);
			if (!IframeShim.ready) window.addEvent('load', inject);
			else inject();
		} else {
			this.position = this.hide = this.show = this.dispose = Function.from(this);
		}
	},

	position: function(){
		if (!IframeShim.ready || !this.shim) return this;
		var size = this.element.measure(function(){
			return this.getSize();
		});
		if (this.options.margin != undefined){
			size.x = size.x - (this.options.margin * 2);
			size.y = size.y - (this.options.margin * 2);
			this.options.offset.x += this.options.margin;
			this.options.offset.y += this.options.margin;
		}
		this.shim.set({width: size.x, height: size.y}).position({
			relativeTo: this.element,
			offset: this.options.offset
		});
		return this;
	},

	hide: function(){
		if (this.shim) this.shim.setStyle('display', 'none');
		return this;
	},

	show: function(){
		if (this.shim) this.shim.setStyle('display', 'block');
		return this.position();
	},

	dispose: function(){
		if (this.shim) this.shim.dispose();
		return this;
	},

	destroy: function(){
		if (this.shim) this.shim.destroy();
		return this;
	}

});

window.addEvent('load', function(){
	IframeShim.ready = true;
});


/*
---

script: Mask.js

name: Mask

description: Creates a mask element to cover another.

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Options
  - Core/Events
  - Core/Element.Event
  - /Class.Binds
  - /Element.Position
  - /IframeShim

provides: [Mask]

...
*/

var Mask = new Class({

	Implements: [Options, Events],

	Binds: ['position'],

	options: {/*
		onShow: function(){},
		onHide: function(){},
		onDestroy: function(){},
		onClick: function(){},
		inject: {
			where: 'after',
			target: null,
		},
		hideOnClick: false,
		id: null,
		destroyOnHide: false,*/
		style: {},
		'class': 'mask',
		maskMargins: false,
		useIframeShim: true,
		iframeShimOptions: {}
	},

	initialize: function(target, options){
		this.target = document.id(target) || document.id(document.body);
		this.target.store('mask', this);
		this.setOptions(options);
		this.render();
		this.inject();
	},

	render: function(){
		this.element = new Element('div', {
			'class': this.options['class'],
			id: this.options.id || 'mask-' + String.uniqueID(),
			styles: Object.merge(this.options.style, {
				display: 'none'
			}),
			events: {
				click: function(){
					this.fireEvent('click');
					if (this.options.hideOnClick) this.hide();
				}.bind(this)
			}
		});

		this.hidden = true;
	},

	toElement: function(){
		return this.element;
	},

	inject: function(target, where){
		where = where || (this.options.inject ? this.options.inject.where : '') || this.target == document.body ? 'inside' : 'after';
		target = target || (this.options.inject ? this.options.inject.target : '') || this.target;

		this.element.inject(target, where);

		if (this.options.useIframeShim){
			this.shim = new IframeShim(this.element, this.options.iframeShimOptions);

			this.addEvents({
				show: this.shim.show.bind(this.shim),
				hide: this.shim.hide.bind(this.shim),
				destroy: this.shim.destroy.bind(this.shim)
			});
		}
	},

	position: function(){
		this.resize(this.options.width, this.options.height);

		this.element.position({
			relativeTo: this.target,
			position: 'topLeft',
			ignoreMargins: !this.options.maskMargins,
			ignoreScroll: this.target == document.body
		});

		return this;
	},

	resize: function(x, y){
		var opt = {
			styles: ['padding', 'border']
		};
		if (this.options.maskMargins) opt.styles.push('margin');

		var dim = this.target.getComputedSize(opt);
		if (this.target == document.body){
			var win = window.getScrollSize();
			if (dim.totalHeight < win.y) dim.totalHeight = win.y;
			if (dim.totalWidth < win.x) dim.totalWidth = win.x;
		}
		this.element.setStyles({
			width: Array.pick([x, dim.totalWidth, dim.x]),
			height: Array.pick([y, dim.totalHeight, dim.y])
		});

		return this;
	},

	show: function(){
		if (!this.hidden) return this;

		window.addEvent('resize', this.position);
		this.position();
		this.showMask.apply(this, arguments);

		return this;
	},

	showMask: function(){
		this.element.setStyle('display', 'block');
		this.hidden = false;
		this.fireEvent('show');
	},

	hide: function(){
		if (this.hidden) return this;

		window.removeEvent('resize', this.position);
		this.hideMask.apply(this, arguments);
		if (this.options.destroyOnHide) return this.destroy();

		return this;
	},

	hideMask: function(){
		this.element.setStyle('display', 'none');
		this.hidden = true;
		this.fireEvent('hide');
	},

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

	destroy: function(){
		this.hide();
		this.element.destroy();
		this.fireEvent('destroy');
		this.target.eliminate('mask');
	}

});

Element.Properties.mask = {

	set: function(options){
		var mask = this.retrieve('mask');
		if (mask) mask.destroy();
		return this.eliminate('mask').store('mask:options', options);
	},

	get: function(){
		var mask = this.retrieve('mask');
		if (!mask){
			mask = new Mask(this, this.retrieve('mask:options'));
			this.store('mask', mask);
		}
		return mask;
	}

};

Element.implement({

	mask: function(options){
		if (options) this.set('mask', options);
		this.get('mask').show();
		return this;
	},

	unmask: function(){
		this.get('mask').hide();
		return this;
	}

});