//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:'px',grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,modifiers:{x:'left',y:'top'}},initialize:function(){var params=Array.link(arguments,{'options':Object.type,'element':$defined});this.element=$(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):$(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(this.options.preventDefault)event.preventDefault();this.fireEvent('beforeStart',this.element);this.mouse.start=event.page;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).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.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);},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);}});Element.implement({makeResizable:function(options){return new Drag(this,$merge({modifiers:{'x':'width','y':'height'}},options));}});Drag.Move=new Class({Extends:Drag,options:{droppables:[],container:false},initialize:function(element,options){this.parent(element,options);this.droppables=$$(this.options.droppables);this.container=$(this.options.container);if(this.container&&$type(this.container)!='element')this.container=$(this.container.getDocument().body);element=this.element;var current=element.getStyle('position');var position=(current!='static')?current:'absolute';if(element.getStyle('left')=='auto'||element.getStyle('top')=='auto')element.position(element.getPosition(element.offsetParent));element.setStyle('position',position);this.addEvent('start',function(){this.checkDroppables();},true);},start:function(event){if(this.container){var el=this.element,cont=this.container,ccoo=cont.getCoordinates(el.offsetParent),cps={},ems={};['top','right','bottom','left'].each(function(pad){cps[pad]=cont.getStyle('padding-'+pad).toInt();ems[pad]=el.getStyle('margin-'+pad).toInt();},this);var width=el.offsetWidth+ems.left+ems.right,height=el.offsetHeight+ems.top+ems.bottom;var x=[ccoo.left+cps.left,ccoo.right-cps.right-width];var y=[ccoo.top+cps.top,ccoo.bottom-cps.bottom-height];this.options.limit={x:x,y:y};}
this.parent(event);},checkAgainst:function(el){el=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.overed=overed;this.fireEvent('enter',[this.element,overed]);}else{this.overed=null;}}},drag:function(event){this.parent(event);if(this.droppables.length)this.checkDroppables();},stop:function(event){this.checkDroppables();this.fireEvent('drop',[this.element,this.overed]);this.overed=null;return this.parent(event);}});Element.implement({makeDraggable:function(options){return new Drag.Move(this,options);}});var Sortables=new Class({Implements:[Events,Options],options:{snap:4,opacity:1,clone:false,revert:false,handle:false,constrain:false},initialize:function(lists,options){this.setOptions(options);this.elements=[];this.lists=[];this.idle=true;this.addLists($$($(lists)||lists));if(!this.options.clone)this.options.revert=false;if(this.options.revert)this.effect=new Fx.Morph(null,$merge({duration:250,link:'cancel'},this.options.revert));},attach:function(){this.addLists(this.lists);return this;},detach:function(){this.lists=this.removeLists(this.lists);return this;},addItems:function(){Array.flatten(arguments).each(function(element){this.elements.push(element);var start=element.retrieve('sortables:start',this.start.bindWithEvent(this,element));(this.options.handle?element.getElement(this.options.handle)||element:element).addEvent('mousedown',start);},this);return this;},addLists:function(){Array.flatten(arguments).each(function(list){this.lists.push(list);this.addItems(list.getChildren());},this);return this;},removeItems:function(){var elements=[];Array.flatten(arguments).each(function(element){elements.push(element);this.elements.erase(element);var start=element.retrieve('sortables:start');(this.options.handle?element.getElement(this.options.handle)||element:element).removeEvent('mousedown',start);},this);return $$(elements);},removeLists:function(){var lists=[];Array.flatten(arguments).each(function(list){lists.push(list);this.lists.erase(list);this.removeItems(list.getChildren());},this);return $$(lists);},getClone:function(event,element){if(!this.options.clone)return new Element('div').inject(document.body);if($type(this.options.clone)=='function')return this.options.clone.call(this,event,element,this.list);return element.clone(true).setStyles({'margin':'0px','position':'absolute','visibility':'hidden','width':element.getStyle('width')}).inject(this.list).position(element.getPosition(element.getOffsetParent()));},getDroppables:function(){var droppables=this.list.getChildren();if(!this.options.constrain)droppables=this.lists.concat(droppables).erase(this.list);return droppables.erase(this.clone).erase(this.element);},insert:function(dragging,element){var where='inside';if(this.lists.contains(element)){this.list=element;this.drag.droppables=this.getDroppables();}else{where=this.element.getAllPrevious().contains(element)?'before':'after';}
this.element.inject(element,where);this.fireEvent('sort',[this.element,this.clone]);},start:function(event,element){if(!this.idle)return;this.idle=false;this.element=element;this.opacity=element.get('opacity');this.list=element.getParent();this.clone=this.getClone(event,element);this.drag=new Drag.Move(this.clone,{snap:this.options.snap,container:this.options.constrain&&this.element.getParent(),droppables:this.getDroppables(),onSnap:function(){event.stop();this.clone.setStyle('visibility','visible');this.element.set('opacity',this.options.opacity||0);this.fireEvent('start',[this.element,this.clone]);}.bind(this),onEnter:this.insert.bind(this),onCancel:this.reset.bind(this),onComplete:this.end.bind(this)});this.clone.inject(this.element,'before');this.drag.start(event);},end:function(){this.drag.detach();this.element.set('opacity',this.opacity);if(this.effect){var dim=this.element.getStyles('width','height');var pos=this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));this.effect.element=this.clone;this.effect.start({top:pos.top,left:pos.left,width:dim.width,height:dim.height,opacity:0.25}).chain(this.reset.bind(this));}else{this.reset();}},reset:function(){this.idle=true;this.clone.destroy();this.fireEvent('complete',this.element);},serialize:function(){var params=Array.link(arguments,{modifier:Function.type,index:$defined});var serial=this.lists.map(function(list){return list.getChildren().map(params.modifier||function(element){return element.get('id');},this);},this);var index=params.index;if(this.lists.length==1)index=0;return $chk(index)&&index>=0&&index<this.lists.length?serial[index]:serial;}});


/*
Script: Tips.js
	Class for creating nice tips that follow the mouse cursor when hovering an element.

License:
	MIT-style license.
*/

var Tips = new Class({

	Implements: [Events, Options],

	options: {
		onShow: function(tip){
			tip.setStyle('visibility', 'visible');
		},
		onHide: function(tip){
			tip.setStyle('visibility', 'hidden');
		},
		showDelay: 100,
		hideDelay: 100,
		className: null,
		offsets: {x: -100, y: -85},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options || null);
		
		this.tip = new Element('div').inject(document.body);
		
		if (this.options.className) this.tip.addClass(this.options.className);
		
		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);
		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);
		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);

		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});
		
		if (params.elements) this.attach(params.elements);
	},
	
	attach: function(elements){
		$$(elements).each(function(element){
			var title = element.retrieve('tip:title', element.get('title'));
			var text = element.retrieve('tip:text', element.get('rel') || element.get('href'));
			var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));
			var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));
			element.addEvents({mouseenter: enter, mouseleave: leave});
			if (!this.options.fixed){
				var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));
				element.addEvent('mousemove', move);
			}
			element.store('tip:native', element.get('title'));
			element.erase('title');
		}, this);
		return this;
	},
	
	detach: function(elements){
		$$(elements).each(function(element){
			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);
			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);
			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);
			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
			var original = element.retrieve('tip:native');
			if (original) element.set('title', original);
		});
		return this;
	},
	
	elementEnter: function(event, element){
		
		$A(this.container.childNodes).each(Element.dispose);
		
		var title = element.retrieve('tip:title');
		
		if (title){
			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);
			this.fill(this.titleElement, title);
		}
		
		var text = element.retrieve('tip:text');
		if (text){
			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);
			this.fill(this.textElement, text);
		}
		
		this.timer = $clear(this.timer);
		this.timer = this.show.delay(this.options.showDelay, this);

		this.position((!this.options.fixed) ? event : {page: element.getPosition()});
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position(event);
	},
	
	position: function(event){
		var size = window.getSize(), scroll = window.getScroll();
		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};
		var props = {x: 'left', y: 'top'};
		for (var z in props){
			var pos = event.page[z] + this.options.offsets[z];
			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
			this.tip.setStyle(props[z], pos);
		}
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
	}

});