//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

/*
---

script: More.js

description: MooTools More

license: MIT-style license

authors:
- Guillermo Rauch
- Thomas Aylott
- Scott Kyle

requires:
- core:1.2.4/MooTools

provides: [MooTools.More]

...
*/

MooTools.More = {
	'version': '1.2.4.4',
	'build': '6f6057dc645fdb7547689183b2311063bd653ddf'
};

/*
---

script: Fx.Elements.js

description: Effect to change any number of CSS properties of any number of Elements.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx.CSS
- /MooTools.More

provides: [Fx.Elements]

...
*/

Fx.Elements = new Class({

	Extends: Fx.CSS,

	initialize: function(elements, options){
		this.elements = this.subject = $$(elements);
		this.parent(options);
	},

	compute: function(from, to, delta){
		var now = {};
		for (var i in from){
			var iFrom = from[i], iTo = to[i], iNow = now[i] = {};
			for (var p in iFrom) iNow[p] = this.parent(iFrom[p], iTo[p], delta);
		}
		return now;
	},

	set: function(now){
		for (var i in now){
			var iNow = now[i];
			for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);
		}
		return this;
	},

	start: function(obj){
		if (!this.check(obj)) return this;
		var from = {}, to = {};
		for (var i in obj){
			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};
			for (var p in iProps){
				var parsed = this.prepare(this.elements[i], p, iProps[p]);
				iFrom[p] = parsed.from;
				iTo[p] = parsed.to;
			}
		}
		return this.parent(from, to);
	}

});

/*
---

script: Fx.Accordion.js

description: An Fx.Elements extension which allows you to easily create accordion type controls.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Element.Event
- /Fx.Elements

provides: [Fx.Accordion]

...
*/

Fx.Accordion = new Class({

	Extends: Fx.Elements,

	options: {/*
		onActive: $empty(toggler, section),
		onBackground: $empty(toggler, section),
		fixedHeight: false,
		fixedWidth: false,
		*/
		display: 0,
		show: false,
		height: true,
		width: false,
		opacity: true,
		alwaysHide: false,
		trigger: 'click',
		initialDisplayFx: true,
		returnHeightToAuto: true
	},

	initialize: function(){
		var params = Array.link(arguments, {
			'container': Element.type, //deprecated
			'options': Object.type,
			'togglers': $defined,
			'elements': $defined
		});
		this.parent(params.elements, params.options);
		this.togglers = $$(params.togglers);
		this.previous = -1;
		this.internalChain = new Chain();
		if (this.options.alwaysHide) this.options.wait = true;
		if ($chk(this.options.show)){
			this.options.display = false;
			this.previous = this.options.show;
		}
		if (this.options.start){
			this.options.display = false;
			this.options.show = false;
		}
		this.effects = {};
		if (this.options.opacity) this.effects.opacity = 'fullOpacity';
		if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';
		if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';
		for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);
		this.elements.each(function(el, i){
			if (this.options.show === i){
				this.fireEvent('active', [this.togglers[i], el]);
			} else {
				for (var fx in this.effects) el.setStyle(fx, 0);
			}
		}, this);
		if ($chk(this.options.display) || this.options.initialDisplayFx === false) this.display(this.options.display, this.options.initialDisplayFx);
		if (this.options.fixedHeight !== false) this.options.returnHeightToAuto = false;
		this.addEvent('complete', this.internalChain.callChain.bind(this.internalChain));
	},

	addSection: function(toggler, element){
		toggler = document.id(toggler);
		element = document.id(element);
		var test = this.togglers.contains(toggler);
		this.togglers.include(toggler);
		this.elements.include(element);
		var idx = this.togglers.indexOf(toggler);
		var displayer = this.display.bind(this, idx);
		toggler.store('accordion:display', displayer);
		toggler.addEvent(this.options.trigger, displayer);
		if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
		if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});
		element.fullOpacity = 1;
		if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;
		if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;
		element.setStyle('overflow', 'hidden');
		if (!test){
			for (var fx in this.effects) element.setStyle(fx, 0);
		}
		return this;
	},

	detach: function(){
		this.togglers.each(function(toggler) {
			toggler.removeEvent(this.options.trigger, toggler.retrieve('accordion:display'));
		}, this);
	},

	display: function(index, useFx){
		if (!this.check(index, useFx)) return this;
		useFx = $pick(useFx, true);
		if (this.options.returnHeightToAuto){
			var prev = this.elements[this.previous];
			if (prev && !this.selfHidden){
				for (var fx in this.effects){
					prev.setStyle(fx, prev[this.effects[fx]]);
				}
			}
		}
		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
		if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;
		this.previous = index;
		var obj = {};
		this.elements.each(function(el, i){
			obj[i] = {};
			var hide;
			if (i != index){
				hide = true;
			} else if (this.options.alwaysHide && ((el.offsetHeight > 0 && this.options.height) || el.offsetWidth > 0 && this.options.width)){
				hide = true;
				this.selfHidden = true;
			}
			this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);
			for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];
		}, this);
		this.internalChain.chain(function(){
			if (this.options.returnHeightToAuto && !this.selfHidden){
				var el = this.elements[index];
				if (el) el.setStyle('height', 'auto');
			};
		}.bind(this));
		return useFx ? this.start(obj) : this.set(obj);
	}

});

/*
	Compatibility with 1.2.0
*/
var Accordion = new Class({

	Extends: Fx.Accordion,

	initialize: function(){
		this.parent.apply(this, arguments);
		var params = Array.link(arguments, {'container': Element.type});
		this.container = params.container;
	},

	addSection: function(toggler, element, pos){
		toggler = document.id(toggler);
		element = document.id(element);
		var test = this.togglers.contains(toggler);
		var len = this.togglers.length;
		if (len && (!test || pos)){
			pos = $pick(pos, len - 1);
			toggler.inject(this.togglers[pos], 'before');
			element.inject(toggler, 'after');
		} else if (this.container && !test){
			toggler.inject(this.container);
			element.inject(this.container);
		}
		return this.parent.apply(this, arguments);
	}

});

/*
---

script: Drag.js

description: The base Drag Class. Can be used to drag and resize Elements using mouse events.

license: MIT-style license

authors:
- Valerio Proietti
- Tom Occhinno
- Jan Kassens

requires:
- core:1.2.4/Events
- core:1.2.4/Options
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Drag]

*/

var Drag = new Class({

	Implements: [Events, Options],

	options: {/*
		onBeforeStart: $empty(thisElement),
		onStart: $empty(thisElement, event),
		onSnap: $empty(thisElement)
		onDrag: $empty(thisElement, event),
		onCancel: $empty(thisElement),
		onComplete: $empty(thisElement, event),*/
		snap: 6,
		unit: 'px',
		grid: false,
		style: true,
		limit: false,
		handle: false,
		invert: false,
		preventDefault: false,
		stopPropagation: false,
		modifiers: {x: 'left', y: 'top'}
	},

	initialize: function(){
		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
		this.element = document.id(params.element);
		this.document = this.element.getDocument();
		this.setOptions(params.options || {});
		var htype = $type(this.options.handle);
		this.handles = ((htype == 'array' || htype == 'collection') ? $$(this.options.handle) : document.id(this.options.handle)) || this.element;
		this.mouse = {'now': {}, 'pos': {}};
		this.value = {'start': {}, 'now': {}};

		this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';

		this.bound = {
			start: this.start.bind(this),
			check: this.check.bind(this),
			drag: this.drag.bind(this),
			stop: this.stop.bind(this),
			cancel: this.cancel.bind(this),
			eventStop: $lambda(false)
		};
		this.attach();
	},

	attach: function(){
		this.handles.addEvent('mousedown', this.bound.start);
		return this;
	},

	detach: function(){
		this.handles.removeEvent('mousedown', this.bound.start);
		return this;
	},

	start: function(event){
		if (event.rightClick) return;
		if (this.options.preventDefault) event.preventDefault();
		if (this.options.stopPropagation) event.stopPropagation();
		this.mouse.start = event.page;
		this.fireEvent('beforeStart', this.element);
		var limit = this.options.limit;
		this.limit = {x: [], y: []};
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
			else this.value.now[z] = this.element[this.options.modifiers[z]];
			if (this.options.invert) this.value.now[z] *= -1;
			this.mouse.pos[z] = event.page[z] - this.value.now[z];
			if (limit && limit[z]){
				for (var i = 2; i--; i){
					if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();
				}
			}
		}
		if ($type(this.options.grid) == 'number') this.options.grid = {x: this.options.grid, y: this.options.grid};
		this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});
		this.document.addEvent(this.selection, this.bound.eventStop);
	},

	check: function(event){
		if (this.options.preventDefault) event.preventDefault();
		var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
		if (distance > this.options.snap){
			this.cancel();
			this.document.addEvents({
				mousemove: this.bound.drag,
				mouseup: this.bound.stop
			});
			this.fireEvent('start', [this.element, event]).fireEvent('snap', this.element);
		}
	},

	drag: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.mouse.now = event.page;
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
			if (this.options.invert) this.value.now[z] *= -1;
			if (this.options.limit && this.limit[z]){
				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
					this.value.now[z] = this.limit[z][1];
				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
					this.value.now[z] = this.limit[z][0];
				}
			}
			if (this.options.grid[z]) this.value.now[z] -= ((this.value.now[z] - (this.limit[z][0]||0)) % this.options.grid[z]);
			if (this.options.style) {
				this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
			} else {
				this.element[this.options.modifiers[z]] = this.value.now[z];
			}
		}
		this.fireEvent('drag', [this.element, event]);
	},

	cancel: function(event){
		this.document.removeEvent('mousemove', this.bound.check);
		this.document.removeEvent('mouseup', this.bound.cancel);
		if (event){
			this.document.removeEvent(this.selection, this.bound.eventStop);
			this.fireEvent('cancel', this.element);
		}
	},

	stop: function(event){
		this.document.removeEvent(this.selection, this.bound.eventStop);
		this.document.removeEvent('mousemove', this.bound.drag);
		this.document.removeEvent('mouseup', this.bound.stop);
		if (event) this.fireEvent('complete', [this.element, event]);
	}

});

Element.implement({

	makeResizable: function(options){
		var drag = new Drag(this, $merge({modifiers: {x: 'width', y: 'height'}}, options));
		this.store('resizer', drag);
		return drag.addEvent('drag', function(){
			this.fireEvent('resize', drag);
		}.bind(this));
	}

});


/*
---

script: Drag.Move.js

description: A Drag extension that provides support for the constraining of draggables to containers and droppables.

license: MIT-style license

authors:
- Valerio Proietti
- Tom Occhinno
- Jan Kassens
- Aaron Newton
- Scott Kyle

requires:
- core:1.2.4/Element.Dimensions
- /Drag

provides: [Drag.Move]

...
*/

Drag.Move = new Class({

	Extends: Drag,

	options: {/*
		onEnter: $empty(thisElement, overed),
		onLeave: $empty(thisElement, overed),
		onDrop: $empty(thisElement, overed, event),*/
		droppables: [],
		container: false,
		precalculate: false,
		includeMargins: true,
		checkDroppables: true
	},

	initialize: function(element, options){
		this.parent(element, options);
		element = this.element;
		
		this.droppables = $$(this.options.droppables);
		this.container = document.id(this.options.container);
		
		if (this.container && $type(this.container) != 'element')
			this.container = document.id(this.container.getDocument().body);
		
		var styles = element.getStyles('left', 'top', 'position');
		if (styles.left == 'auto' || styles.top == 'auto')
			element.setPosition(element.getPosition(element.getOffsetParent()));
		
		if (styles.position == 'static')
			element.setStyle('position', 'absolute');

		this.addEvent('start', this.checkDroppables, true);

		this.overed = null;
	},

	start: function(event){
		if (this.container) this.options.limit = this.calculateLimit();
		
		if (this.options.precalculate){
			this.positions = this.droppables.map(function(el){
				return el.getCoordinates();
			});
		}
		
		this.parent(event);
	},
	
	calculateLimit: function(){
		var offsetParent = this.element.getOffsetParent(),
			containerCoordinates = this.container.getCoordinates(offsetParent),
			containerBorder = {},
			elementMargin = {},
			elementBorder = {},
			containerMargin = {},
			offsetParentPadding = {};

		['top', 'right', 'bottom', 'left'].each(function(pad){
			containerBorder[pad] = this.container.getStyle('border-' + pad).toInt();
			elementBorder[pad] = this.element.getStyle('border-' + pad).toInt();
			elementMargin[pad] = this.element.getStyle('margin-' + pad).toInt();
			containerMargin[pad] = this.container.getStyle('margin-' + pad).toInt();
			offsetParentPadding[pad] = offsetParent.getStyle('padding-' + pad).toInt();
		}, this);

		var width = this.element.offsetWidth + elementMargin.left + elementMargin.right,
			height = this.element.offsetHeight + elementMargin.top + elementMargin.bottom,
			left = 0,
			top = 0,
			right = containerCoordinates.right - containerBorder.right - width,
			bottom = containerCoordinates.bottom - containerBorder.bottom - height;

		if (this.options.includeMargins){
			left += elementMargin.left;
			top += elementMargin.top;
		} else {
			right += elementMargin.right;
			bottom += elementMargin.bottom;
		}
		
		if (this.element.getStyle('position') == 'relative'){
			var coords = this.element.getCoordinates(offsetParent);
			coords.left -= this.element.getStyle('left').toInt();
			coords.top -= this.element.getStyle('top').toInt();
			
			left += containerBorder.left - coords.left;
			top += containerBorder.top - coords.top;
			right += elementMargin.left - coords.left;
			bottom += elementMargin.top - coords.top;
			
			if (this.container != offsetParent){
				left += containerMargin.left + offsetParentPadding.left;
				top += (Browser.Engine.trident4 ? 0 : containerMargin.top) + offsetParentPadding.top;
			}
		} else {
			left -= elementMargin.left;
			top -= elementMargin.top;
			
			if (this.container == offsetParent){
				right -= containerBorder.left;
				bottom -= containerBorder.top;
			} else {
				left += containerCoordinates.left + containerBorder.left;
				top += containerCoordinates.top + containerBorder.top;
			}
		}
		
		return {
			x: [left, right],
			y: [top, bottom]
		};
	},

	checkAgainst: function(el, i){
		el = (this.positions) ? this.positions[i] : el.getCoordinates();
		var now = this.mouse.now;
		return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);
	},

	checkDroppables: function(){
		var overed = this.droppables.filter(this.checkAgainst, this).getLast();
		if (this.overed != overed){
			if (this.overed) this.fireEvent('leave', [this.element, this.overed]);
			if (overed) this.fireEvent('enter', [this.element, overed]);
			this.overed = overed;
		}
	},

	drag: function(event){
		this.parent(event);
		if (this.options.checkDroppables && this.droppables.length) this.checkDroppables();
	},

	stop: function(event){
		this.checkDroppables();
		this.fireEvent('drop', [this.element, this.overed, event]);
		this.overed = null;
		return this.parent(event);
	}

});

Element.implement({

	makeDraggable: function(options){
		var drag = new Drag.Move(this, options);
		this.store('dragger', drag);
		return drag;
	}

});