/*
Script: StyleWriter.js

Provides a simple method for injecting a css style element into the DOM if it's not already present.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

var StyleWriter = new Class({
	createStyle: function(css, id) {
		window.addEvent('domready', function(){
			try {
				if($(id) && id) return;
				var style = new Element('style', {id: id||''}).inject($$('head')[0]);
				if (Browser.Engine.trident) style.styleSheet.cssText = css;
				else style.set('text', css);
			}catch(e){dbug.log('error: %s',e);}
		}.bind(this));
	}
});

	/*
var StickyVideo = StickyWin.extend({
	options: {},
	initialize: function(options){},
	
});
	*/
	
	/*
Script: StickyWin.js

Creates a div within the page with the specified contents at the location relative to the element you specify; basically an in-page popup maker.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

var StickyWin = new Class({
	Implements: [Options, Events, StyleWriter],
	options: {
//	onDisplay: $empty,
//	onClose: $empty,
		closeClassName: 'closeSticky',
		pinClassName: 'pinSticky',
		content: '',
		zIndex: 10000,
		className: '',
		//id: ... set above in initialize function
/*  these are the defaults for setPosition anyway
/************************************************
//		edge: false, //see Element.setPosition in element.cnet.js
//		position: 'center', //center, corner == upperLeft, upperRight, bottomLeft, bottomRight
//		offset: {x:0,y:0},
//	  relativeTo: document.body, */
		width: false,
		height: false,
		timeout: -1,
		allowMultipleByClass: false,
		allowMultiple: true,
		showNow: true,
		useIframeShim: true,
		iframeShimSelector: ''
	},
	css: '.SWclearfix:after {content: "."; display: block; height: 0; clear: both; visibility: hidden;}'+
			 '.SWclearfix {display: inline-table;}'+
			 '* html .SWclearfix {height: 1%;}'+
			 '.SWclearfix {display: block;}',
	initialize: function(options){
		this.setOptions(options);
		this.id = this.options.id || 'StickyWin_'+new Date().getTime();
		this.makeWindow();
		if(this.options.content) this.setContent(this.options.content);
		if(this.options.showNow) this.show();
		//add css for clearfix
		this.createStyle(this.css, 'StickyWinClearFix');
	},
	toElement: function() {
		return this.win;
	},
	makeWindow: function(){
		this.destroyOthers();
		if(!$(this.id)) {
			this.win = new Element('div', {
				id:		this.id
			}).addClass(this.options.className).addClass('StickyWinInstance').addClass('SWclearfix').setStyles({
			 	display:'none',
				position:'absolute',
				zIndex:this.options.zIndex
			}).inject(document.body).store('StickyWin', this);			
		} else this.win = $(this.id);
		if(this.options.width && $type(this.options.width.toInt())=="number") this.win.setStyle('width', this.options.width.toInt());
		if(this.options.height && $type(this.options.height.toInt())=="number") this.win.setStyle('height', this.options.height.toInt());
		return this;
	},
	show: function(){
		this.fireEvent('onDisplay');
		if(!this.positioned) this.position();
		this.showWin();
		if(this.options.useIframeShim) this.showIframeShim();
		this.visible = true;
		return this;
	},
	showWin: function(){
		this.win.setStyle('display','block');
	},
	hide: function(){
		this.fireEvent('onClose');
		this.hideWin();
		if(this.options.useIframeShim) this.hideIframeShim();
		this.visible = false;
		return this;
	},
	hideWin: function(){
		this.win.setStyle('display','none');
	},
	destroyOthers: function() {
		if(!this.options.allowMultipleByClass || !this.options.allowMultiple) {
			$$('div.StickyWinInstance').each(function(sw) {
				if(!this.options.allowMultiple || (!this.options.allowMultipleByClass && sw.hasClass(this.options.className))) 
					sw.dispose();
			}, this);
		}
	},
	setContent: function(html) {
		if(this.win.getChildren().length>0) this.win.empty();
		if($type(html) == "string") this.win.set('html', html);
		else if ($(html)) this.win.adopt(html);
		this.win.getElements('.'+this.options.closeClassName).each(function(el){
			el.addEvent('click', this.hide.bind(this));
		}, this);
		this.win.getElements('.'+this.options.pinClassName).each(function(el){
			el.addEvent('click', this.togglepin.bind(this));
		}, this);
		return this;
	},	
	position: function(){		
		/** This should go into an extended class**/
		/*var windowSize = window.getSize(), scroll = window.getScroll();
		var elementX = this.options.relativeTo.getCoordinates().left+this.options.offset.x+ this.win.getDimensions().width;
	
		if(windowSize.x < elementX){
			this.options.offset.x += windowSize.x - elementX;
		}	*/
				
		/*This is not correct - remove "10" and replace with parent element pading**/
		/*if(this.options.detailArrow){
			var arrowX = Math.abs(this.options.offset.x)+this.options.relativeTo.getDimensions().width/2 - 10;
			this.win.getElement(this.options.detailArrow).setStyle('left', arrowX);
		}*/
		/** This should go into an extended class**/
		
		this.positioned = true;
		
		this.win.setPosition({
			relativeTo: this.options.relativeTo,
			position: this.options.position,
			offset: this.options.offset,
			edge: this.options.edge
		});
		if(this.shim) this.shim.position();
		return this;
	},
	pin: function(pin) {
		if(!this.win.pin) {
			dbug.log('you must include element.pin.js!');
			return this;
		}
		this.pinned = $pick(pin, true);
		this.win.pin(pin);
		return this;
	},
	unpin: function(){
		return this.pin(false);
	},
	togglepin: function(){
		return this.pin(!this.pinned);
	},
	makeIframeShim: function(){
		if(!this.shim){
			var el = (this.options.iframeShimSelector)?this.win.getElement(this.options.iframeShimSelector):this.win;
			this.shim = new IframeShim(el, {
				display: false,
				name: 'StickyWinShim'
			});
		}
	},
	showIframeShim: function(){
		if(this.options.useIframeShim) {
			this.makeIframeShim();
			this.shim.show();
		}
	},
	hideIframeShim: function(){
		if(this.options.useIframeShim)
			this.shim.hide();
	},
	destroy: function(){
		if (this.win) this.win.dispose();
		if(this.options.useIframeShim) this.shim.dispose();
		if($('modalOverlay'))$('modalOverlay').dispose();
	}
});

var StickyWinPosReset = new Class({
	Extends: StickyWin,
	position: function(){
		var windowSize = window.getSize(), scroll = window.getScroll();
		var elementX = this.options.relativeTo.getCoordinates().left+ this.win.getDimensions().width;

		if(this.options.offset) elementX += this.options.offset.x;
	
		if(windowSize.x < elementX){
			this.options.offset.x += windowSize.x - elementX;
		}	
		this.parent();
		
		if(this.options.detailArrow){
			var arrowX = Math.abs(this.options.offset.x)+this.options.relativeTo.getDimensions().width/2 - 10;
			this.win.getElement(this.options.detailArrow).setStyle('left', arrowX);
		}
	}
});

/*
Script: PopupDetails.js
	Creates hover detail popups for a collection of elements and data.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var PopupDetail = new Class({
	Implements: [Options, Events],
	visible: false,
	observed: false,
	hasData: false,
	options: {
		observerAction: 'mouseenter', //or click
		closeOnMouseOut: true,
		linkPopup: false, //or true to use observer href, or url
		data: {}, //key/value parse to parse in to html
		templateOptions: {}, //see simple template parser
		useAjax: false,
		ajaxOptions:{
			method: 'get'
		},
		ajaxLink: false, //defaults to use observer.src
		ajaxCache: {},
		delayOn: 100,
		delayOff: 100,
		stickyWinOptions:{},
		stickyWinToUse: StickyWin,
		showNow: false,
		htmlResponse: false,
		regExp: /\\?%([^%]+)%/g,
		detailArrow: ''
/*	onPopupShow: $empty,
		onPopupHide: $empty */
	},
	initialize: function(html, observer, options){
		this.setOptions(options);
		this.observer = $(observer);
		this.html = ($(html))?$(html).get('html'):html||'';
		if(this.options.showNow) this.show.delay(this.options.delayOn, this);
		this.setUpObservers();
	},
	setUpObservers: function(){
		var opt = this.options; //saving bytes here
		this.observer.addEvent(opt.observerAction, function(){
			this.observed = true;
			this.show.delay(opt.delayOn, this);
		}.bind(this));
		if((opt.observerAction == "mouseenter" || opt.observerAction == "mouseover") && this.options.closeOnMouseOut){
			this.observer.addEvent("mouseleave", function(){
				this.observed = false;
				this.hide.delay(opt.delayOff, this);
			}.bind(this));
		}
		return this;
	},
	parseTemplate: function(string, values){
		return string.substitute(values, this.options.regExp);
	},
	makePopup: function(){
		if(!this.stickyWin){
			var opt = this.options;//saving bytes
			if (opt.htmlResponse) this.content = this.data;
			else this.content = this.parseTemplate(this.html, opt.data);
			this.stickyWin = new opt.stickyWinToUse($merge(opt.stickyWinOptions, {
				relativeTo: this.observer,
				showNow: false,
				content: this.content,
				allowMultipleByClass: true,
				detailArrow: this.options.detailArrow///Added by Lisa
			}));
			if($(opt.linkPopup) || $type(opt.linkPopup)=='string') {
				this.stickyWin.win.setStyle('cursor','pointer').addEvent('click', function(){
					window.location.href = ($type(url)=='string')?url:url.src;
				});
			}
			this.stickyWin.win.addEvent('mouseenter', function(){
				this.observed = true;
			}.bind(this));
			this.stickyWin.win.addEvent('mouseleave', function(){
				this.observed = false;
				if(opt.closeOnMouseOut) this.hide.delay(opt.delayOff, this);
			}.bind(this));
		}
		return this;
	},
	getContent: function(){
		try {
			new Request($merge(this.options.ajaxOptions, {
					url: this.options.ajaxLink || this.observer.href,
					onSuccess: this.show.bind(this)
				})
			).send();
		} catch(e) {
			dbug.log('ajax error on PopupDetail: %s', e);
		}
	},
	show: function(data){
		var opt = this.options;
		if(data) this.data = data;
		if(this.observed && !this.visible) {
			if(opt.useAjax && !this.data) {
				var cachedVal = opt.ajaxCache[this.options.ajaxLink] || opt.ajaxCache[this.observer.href];
				if (cachedVal) {
					this.fireEvent('onPopupShow', this);
					return this.show(cachedVal);
				}
				this.cursorStyle = this.observer.getStyle('cursor');
				this.observer.setStyle('cursor', 'wait');
				this.getContent();
				return false;
			} else {
				if(this.cursorStyle) this.observer.setStyle('cursor', this.cursorStyle);
				if(opt.useAjax && !opt.htmlResponse) opt.data = JSON.decode(this.data);
				this.makePopup();
				this.fireEvent('onPopupShow', this);
				this.stickyWin.show();
				this.visible = true;
				return this;
			}
		}
		return this;
	},
	hide: function(){
		if(!this.observed){
			this.fireEvent('onPopupHide');
			if(this.stickyWin)this.stickyWin.hide();
			this.visible = false;
		}
		return this;
	}
});

var PopupDetailCollection = new Class({
	Implements: [Options],
	options: {
		details: {},
		links: [],
		ajaxLinks: [],
		useCache: true,
		template: '',
		popupDetailOptions: {}
	},
	cache: {},
	initialize: function(observers, options) {
		this.observers = $$(observers);
		this.setOptions(options);
		var ln = this.options.ajaxLinks.length;
		if(ln <= 0) ln = this.options.details.length;
		if (this.observers.length != ln) 
			dbug.log("warning: observers and details are out of sync.");
		this.makePopupDetails();
	},
	makePopupDetails: function(){
		this.popupDetailObjs = this.observers.map(function(observer, index){
			var opt = this.options.popupDetailOptions;//saving bytes
			var pd = new PopupDetail(this.options.template, observer, $merge(opt, {
				data: $pick(this.options.details[index], {}),
				linkItem: $pick(this.options.links[index], $pick(opt.linkItem, false)),
				ajaxLink: $pick(this.options.ajaxLinks[index], false),
				ajaxCache: (this.options.useCache)?this.cache:{},
				useAjax: this.options.ajaxLinks.length>0
			}));
			return pd;
		}, this);
	}
});