/*
Script: TabSwapper.js

Handles the scripting for a common UI layout; the tabbed box.

License:
	http://www.clientcide.com/wiki/cnet-libraries#license
*/
var TabSwapper = new Class({
	Implements: [Options, Events],
	options: {
		selectedClass: 'tabSelected',
		mouseoverClass: 'tabOver',
		deselectedClass: '',
		rearrangeDOM: true,
		initPanel: 0, 
		smooth: false, 
		smoothSize: false,
		maxSize: null,
		effectOptions: {
			duration: 500
		},
		cookieName: null, 
		cookieDays: 999
//	onActive: $empty,
//	onActiveAfterFx: $empty,
//	onBackground: $empty
	},
	tabs: [],
	sections: [],
	clickers: [],
	sectionFx: [],
	initialize: function(options){
		this.setOptions(options);
		var prev = this.setup();
		if (prev) return prev;
		if (this.options.cookieName && this.recall()) this.show(this.recall().toInt());
		else this.show(this.options.initPanel);
	},
	setup: function(){
		var opt = this.options;
		sections = $$(opt.sections);
		tabs = $$(opt.tabs);
		if (tabs[0] && tabs[0].retrieve('tabSwapper')) return tabs[0].retrieve('tabSwapper');
		clickers = $$(opt.clickers);
		tabs.each(function(tab, index){
			this.addTab(tab, sections[index], clickers[index], index);
		}, this);
	},
	addTab: function(tab, section, clicker, index){
		tab = document.id(tab); clicker = document.id(clicker); section = document.id(section);
		//if the tab is already in the interface, just move it
		if (this.tabs.indexOf(tab) >= 0 && tab.retrieve('tabbered') 
			 && this.tabs.indexOf(tab) != index && this.options.rearrangeDOM) {
			this.moveTab(this.tabs.indexOf(tab), index);
			return this;
		}
		//if the index isn't specified, put the tab at the end
		if (!$defined(index)) index = this.tabs.length;
		//if this isn't the first item, and there's a tab
		//already in the interface at the index 1 less than this
		//insert this after that one
		if (index > 0 && this.tabs[index-1] && this.options.rearrangeDOM) {
			tab.inject(this.tabs[index-1], 'after');
			var mydata = this.tabs[index-1].retrieve('section');
			if (mydata) { section.inject(mydata, 'after'); }
		}
		this.tabs.splice(index, 0, tab);
		clicker = clicker || tab;

		tab.addEvents({
			mouseout: function(){
				tab.removeClass(this.options.mouseoverClass);
			}.bind(this),
			mouseover: function(){
				tab.addClass(this.options.mouseoverClass);
			}.bind(this)
		});

		clicker.addEvent('click', function(e){
			e.preventDefault();
			this.show(index);
		}.bind(this));

		tab.store('tabbered', true);
		tab.store('section', section);
		tab.store('clicker', clicker);
		this.hideSection(index);
		return this;
	},
	removeTab: function(index){
		var now = this.tabs[this.now];
		if (this.now == index){
			if (index > 0) this.show(index - 1);
			else if (index < this.tabs.length) this.show(index + 1);
		}
		this.now = this.tabs.indexOf(now);
		return this;
	},
	moveTab: function(from, to){
		var tab = this.tabs[from];
		var clicker = tab.retrieve('clicker');
		var section = tab.retrieve('section');
		
		var toTab = this.tabs[to];
		var toClicker = toTab.retrieve('clicker');
		var toSection = toTab.retrieve('section');
		
		this.tabs.erase(tab).splice(to, 0, tab);

		tab.inject(toTab, 'before');
		clicker.inject(toClicker, 'before');
		section.inject(toSection, 'before');
		return this;
	},
	show: function(i){
		if (!$chk(this.now)) {
			this.tabs.each(function(tab, idx){
				if (i != idx) 
					this.hideSection(idx)
			}, this);
		}
		this.showSection(i).save(i);
		return this;
	},
	save: function(index){
		if (this.options.cookieName) 
			Cookie.write(this.options.cookieName, index, {duration:this.options.cookieDays});
		return this;
	},
	recall: function(){
		return (this.options.cookieName)?$pick(Cookie.read(this.options.cookieName), false): false;
	},
	hideSection: function(idx) {
		var tab = this.tabs[idx];
		if (!tab) return this;
		var sect = tab.retrieve('section');
		if (!sect) return this;
		if (sect.getStyle('display') != 'none') {
			this.lastHeight = sect.getSize().y;
			sect.setStyle('display', 'none');
			tab.swapClass(this.options.selectedClass, this.options.deselectedClass);
			this.fireEvent('onBackground', [idx, sect, tab]);
		}
		return this;
	},
	showSection: function(idx) {
		var tab = this.tabs[idx];
		if (!tab) return this;
		var sect = tab.retrieve('section');
		if (!sect) return this;
		var smoothOk = this.options.smooth && (!Browser.Engine.trident4 
										|| (Browser.Engine.trident4 && !Browser.Engine.trident4));
		if (this.now != idx) {
			if (!tab.retrieve('tabFx')) 
				tab.store('tabFx', new Fx.Morph(sect, this.options.effectOptions));
			var start = {
				display:'block',
				overflow: 'hidden'
			};
			if (smoothOk) start.opacity = 0;
			var effect = false;
			if (smoothOk) {
				effect = {opacity: 1};
			} else if (sect.getStyle('opacity').toInt() < 1) {
				sect.setStyle('opacity', 1);
				if (!this.options.smoothSize) 
					this.fireEvent('onActiveAfterFx', [idx, sect, tab]);
			}
			if (this.options.smoothSize) {
				var size = sect.getDimensions().height;
				if ($chk(this.options.maxSize) && this.options.maxSize < size) 
					size = this.options.maxSize;
				if (!effect) effect = {};
				effect.height = size;
			}
			if ($chk(this.now)) this.hideSection(this.now);
			if (this.options.smoothSize && this.lastHeight) start.height = this.lastHeight;
			sect.setStyles(start);
			if (effect) {
				tab.retrieve('tabFx').start(effect).chain(function(){
					this.fireEvent('onActiveAfterFx', [idx, sect, tab]);
					sect.setStyle("height", "auto");
				}.bind(this));
			}
			this.now = idx;
			this.fireEvent('onActive', [idx, sect, tab]);
		}
		tab.swapClass(this.options.deselectedClass, this.options.selectedClass);
		return this;
	}
});

/*
Script: modalizer.js
	Defines Modalizer: functionality to overlay the window contents with a semi-transparent layer that prevents interaction with page content until it is removed

License:
	http://www.clientcide.com/wiki/cnet-libraries#license
*/
var Modalizer = new Class({
	defaultModalStyle: {
		display:'block',
		position:'fixed',
		top:0,
		left:0,	
		'z-index':5000,
		'background-color':'#333',
		opacity:0.8
	},
	setModalOptions: function(options){
		this.modalOptions = $merge({
			width:(window.getScrollSize().x),
			height:(window.getScrollSize().y),
			elementsToHide: 'select, embed' + (Browser.Engine.trident ? '': ', object'),
			hideOnClick: true,
			modalStyle: {},
			updateOnResize: true,
			layerId: 'modalOverlay',
			onModalHide: $empty,
			onModalShow: $empty
		}, this.modalOptions, options);
		return this;
	},
	layer: function(){
		if (!this.modalOptions.layerId) this.setModalOptions();
		return document.id(this.modalOptions.layerId) || new Element('div', {id: this.modalOptions.layerId}).inject(document.body);
	},
	resize: function(){
		if (this.layer()) {
			this.layer().setStyles({
				width:(window.getScrollSize().x),
				height:(window.getScrollSize().y)
			});
		}
	},
	setModalStyle: function (styleObject){
		this.modalOptions.modalStyle = styleObject;
		this.modalStyle = $merge(this.defaultModalStyle, {
			width:this.modalOptions.width,
			height:this.modalOptions.height
		}, styleObject);
		if (this.layer()) this.layer().setStyles(this.modalStyle);
		return(this.modalStyle);
	},
	modalShow: function(options){
		this.setModalOptions(options);
		this.layer().setStyles(this.setModalStyle(this.modalOptions.modalStyle));
		if (Browser.Engine.trident4) this.layer().setStyle('position','absolute');
		this.layer().removeEvents('click').addEvent('click', function(){
			this.modalHide(this.modalOptions.hideOnClick);
		}.bind(this));
		this.bound = this.bound||{};
		if (!this.bound.resize && this.modalOptions.updateOnResize) {
			this.bound.resize = this.resize.bind(this);
			window.addEvent('resize', this.bound.resize);
		}
		if ($type(this.modalOptions.onModalShow)  == "function") this.modalOptions.onModalShow();
		this.togglePopThroughElements(0);
		this.layer().setStyle('display','block');
		return this;
	},
	modalHide: function(override, force){
		if (override === false) return false; //this is internal, you don't need to pass in an argument
		this.togglePopThroughElements(1);
		if ($type(this.modalOptions.onModalHide) == "function") this.modalOptions.onModalHide();
		this.layer().setStyle('display','none');
		if (this.modalOptions.updateOnResize) {
			this.bound = this.bound||{};
			if (!this.bound.resize) this.bound.resize = this.resize.bind(this);
			window.removeEvent('resize', this.bound.resize);
		}
		return this;
	},
	togglePopThroughElements: function(opacity){
		if (Browser.Engine.trident4 || (Browser.Engine.gecko && Browser.Platform.mac)) {
			$$(this.modalOptions.elementsToHide).each(function(sel){
				sel.setStyle('opacity', opacity);
			});
		}
	}
});

ArtikelDetail = new Class({

	Implements: Modalizer,
	
	options: {
		modalize: true,
		layerId: 'artikel-detail',
		relativeTo: null
	},
	artikel: null,
	detail: null,
	
	initialize: function(el,options){
		this.artikel = el;
		options = options||{};
		this.setModalOptions($merge(options.modalOptions||{}, {
			onModalHide: function(){
					this.hide(false);
				}.bind(this)
			}));
	},

	show: function(showModal){
		if ($pick(showModal, this.options.modalize)) {
			this.modalShow();
		}
		this.detail=document.id(this.options.layerId) || new Element('div', {id: this.options.layerId}).inject(document.body);
		this.detail.setStyle('display','block');
		this.detail.getChildren().destroy();
		divart = this.artikel.clone()
		this.detail.grab(divart);
		
		divart.removeClass('artikel');
		divart.addClass('artikel-detail');
		this.resize();
		this.bound = this.bound||{};
		if (!this.bound.resize ) {
			this.bound.resize = this.resize.bind(this);
			window.addEvent('resize', this.bound.resize);
		}
		this.hidden =this.hidden||{};
		if (!this.hidden.hideIt ) {
			this.hidden.hideIt = this.hideIt.bind(this);
			$$('#artikel-detail div.artikel-close').addEvent( 'click', this.hidden.hideIt);
		}
		
		
	},

	hide: function(hideModal){
		if ($pick(hideModal, true)) this.modalHide();
		window.removeEvent('resize', this.resize);
		
		this.detail.setStyle('display','none');
	},
	hideIt: function() {
		this.hide(true);
	},
	resize: function() {
		this.detail.position({ position: 'centerTop',  edge: 'centerTop', offset: { x: 0, y: 23 }, relativeTo:this.options.relativeTo } );
	}

});