/**
 * SimpleTabs - Unobtrusive Tabs with Ajax
 *
 * @example
 *
 *	var tabs = new SimpleTabs($('tab-element'), {
 * 		selector: 'h2.tab-tab'
 *	});
 *
 * @version		1.0
 *
 * @license		MIT License
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	2007 Author
 */
var RC_SimpleTabs = new Class({

	Implements: [Events, Options],

	/**
	 * Options
	 */
	options: {
		show: 0,
		selector: '.tab-tab',
		classWrapper: 'tab-wrapper',
		classMenu: 'tab-menu',
		classContainer: 'tab-container',
		onSelect: function(toggle, container, index) {
			toggle.addClass('tab-selected');
			container.setStyle('display', '');
		},
		onDeselect: function(toggle, container, index) {
			toggle.removeClass('tab-selected');
			container.setStyle('display', 'none');
		},
		onRequest: function(toggle, container, index) {
			container.addClass('tab-ajax-loading');
		},
		onComplete: function(toggle, container, index) {
			container.removeClass('tab-ajax-loading');
		},
		onFailure: function(toggle, container, index) {
			container.removeClass('tab-ajax-loading');
		},
		onAdded: Class.empty,
		getContent: null,
		ajaxOptions: {},
		cache: true
	},

	/**
	 * Constructor
	 *
	 * @param {Element} The parent Element that holds the tab elements
	 * @param {Object} Options
	 */
	initialize: function(element, options) {
		this.element = $(element);
		this.setOptions(options);
		this.selected = null;
		this.build();
	},

	build: function() {
		this.tabs = [];
		this.menu = new Element('ul', {'class': this.options.classMenu});
		this.wrapper = new Element('div', {'class': this.options.classWrapper});

		this.element.getElements(this.options.selector).each(function(el) {
			var content = el.get('href') || (this.options.getContent ? this.options.getContent.call(this, el) : el.getNext());
			this.addTab(el.innerHTML, el.title || el.innerHTML, content);
		}, this);
		this.element.empty().adopt(this.menu, this.wrapper);

		if (this.tabs.length) this.select(this.options.show);
	},

	/**
	 * Add a new tab at the end of the tab menu
	 *
	 * @param {String} inner Text
	 * @param {String} Title
	 * @param {Element|String} Content Element or URL for Ajax
	 */
	addTab: function(text, title, content) {
		var grab = $(content);
		var container = (grab || new Element('div'))
			.setStyle('display', 'none')
			.addClass(this.options.classContainer)
			.inject(this.wrapper);
		var pos = this.tabs.length;
		var evt = (this.options.hover) ? 'mouseenter' : 'click';
		var tab = {
			container: container,
			toggle: new Element('li').grab(new Element('a', {
				href: '#',
				title: title
			}).grab(
				new Element('span', {html: text})
			)).addEvent(evt, this.onClick.bindWithEvent(this, [pos])).inject(this.menu)
		};
		if (!grab && $type(content) == 'string') tab.url = content;
		this.tabs.push(tab);
		return this.fireEvent('onAdded', [tab.toggle, tab.container, pos]);
	},

	onClick: function(evt, index) {
		this.select(index);
		return false;
	},

	/**
	 * Select the tab via tab-index
	 *
	 * @param {Number} Tab-index
	 */
	select: function(index) {
		if (this.selected === index || !this.tabs[index]) return this;
		if (this.ajax) this.ajax.cancel().removeEvents();
		var tab = this.tabs[index];
		var params = [tab.toggle, tab.container, index];
		if (this.selected !== null) {
			var current = this.tabs[this.selected];
			if (this.ajax && this.ajax.running) this.ajax.cancel();
			params.extend([current.toggle, current.container, this.selected]);
			this.fireEvent('onDeselect', [current.toggle, current.container, this.selected]);
		}
		this.fireEvent('onSelect', params);
		if (tab.url && (!tab.loaded || !this.options.cache)) {
			this.ajax = this.ajax || new Request.HTML();
			this.ajax.setOptions({
				url: tab.url,
				method: 'get',
				update: tab.container,
				onFailure: this.fireEvent.pass(['onFailure', params], this),
				onComplete: function(resp) {
					tab.loaded = true;
					this.fireEvent('onComplete', params);
				}.bind(this)
			}).setOptions(this.options.ajaxOptions);
			this.ajax.send();
			this.fireEvent('onRequest', params);
		}
		this.selected = index;
		return this;
	}

});

/**
 * END SimpleTabs
 */







var SL_Slider = new Class({

	//implements
	Implements: [Options],	
	
	//variables setup
	numNav: new Array(),		    //will store number nav elements (if used)
	timer: null,					//periodical function variable holder
	isSliding: 0,					//flag for animation/click prevention
	direction: 1,					//flag for direction (forward/reverse)
	
	//options
	options: {
	slideTimer: 8000,  			    //Time between slides (1 second = 1000), a.k.a. the interval duration
	orientation: 'horizontal',      //vertical, horizontal, or none: None will create a fading in/out transition.
	fade: false,                    //if true will fade the outgoing slide - only used if orientation is != None
	isPaused: false,				//flag for paused state
	transitionTime: 1100, 		    //Transition time (1 second = 1000)
	transitionType: 'cubic:out',	//Transition type
	container: null,				//container element
	items:  null, 					//Array of elements for sliding
	itemNum: 0,						//Current item number
	numNavActive: false,			//Whether or not the number navigation will be used
	numNavHolder: null,			    //Element that holds the number navigation
	playBtn: null,					//Play (and pause) button element
	prevBtn: null,					//Previous button element
	nextBtn: null					//Next button element
	},

	//initialization
	initialize: function(options) {
		var self = this;
		
		//set options
		this.setOptions(options);
		
		//remove any scrollbar(s) on the container
		self.options.container.setStyle('overflow', "hidden");  
		
		//if there is a play/pause button, set up functionality for it
		if(self.options.playBtn != null) {
			//self.pauseIt();  
			self.options.playBtn.set('text', 'pause');
			
			self.options.playBtn.addEvents({
				'click': function() {
					self.pauseIt();
				},				
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
					
				}
			});
		}
		
		//if there is a prev & next button, set up functionality for them
		if(self.options.prevBtn && self.options.nextBtn){
			
			self.options.prevBtn.addEvents({ 
				'click' : function() {
					if(self.isSliding == 0){
						if(self.options.isPaused == false){
							$clear(self.timer);
							self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
						}
						self.direction = 0;
						self.slideIt();
					}
				},
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
				
				}
			});	
			
			this.options.nextBtn.addEvents({ 
				'click' : function() {
					if(self.isSliding == 0){
						if(self.options.isPaused == false){
							$clear(self.timer);
							self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
						}
						self.direction = 1;
						self.slideIt();
					}
				},
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
					
				}
			});	
		}
		
		//setup items (a.k.a. slides) from list
		self.options.items.each(function(el, i){
			  
			//f.y.i.  el = the element, i = the index
			el.setStyle('position', "absolute");
			var itemH = el.getSize().y;
			var itemW = el.getSize().x;
			if(self.options.orientation == 'vertical'){ 
                el.setStyle('top', (-1 * itemH));
                el.setStyle('left', 0);
            }else if(self.options.orientation == 'none') {
                el.setStyle('left', 0);
                el.setStyle('top', 0);
                el.set('opacity', 0);
			}else{
                el.setStyle('left', (-1 * itemW));
            }
			// -- Number nav setup
			if(self.options.numNavActive == true){
				//create numbered navigation boxes, and insert into the 'num_nav' ul)
				var numItem = new Element('li', {id: 'num'+i});
				var numLink = new Element('a', {
					'class': 'numbtn',
					'html': (i+1)
				});
				numItem.adopt(numLink);
				self.options.numNavHolder.adopt(numItem);
				self.numNav.push(numLink);
				numLink.set('morph', {duration: 100, transition: Fx.Transitions.linear, link: 'ignore'});
				
				numLink.addEvents({
					'click' : function(){
						self.numPress(i);
					},
					'mouseenter' : function() {
						this.setStyle('cursor', 'pointer');
					}
				});
				
				//set initial number to active state
				if(i == self.options.itemNum){
					var initNum = self.numNav[i];
					initNum.addClass('active');
				}
			}
			//end if num nav 'active'
		
		 });
	
	},

	//startup method
	start: function() {
		
		var self = this;
		
		self.slideIt(self.options.itemNum);  //initialize first slide
		
		if(self.options.isPaused == false){
			self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
			if(self.options.playBtn) self.options.playBtn.set('text', 'pause');
		}
		else{
			//self.pauseIt();
			if(self.options.playBtn) self.options.playBtn.set('text', 'play');
		}
		
	},
	
	
	slideIt: function(passedID) {
		
		var self = this;
		
		//get item to slide out
		var curItem = self.options.items[self.options.itemNum]; 
		if(self.options.numNavActive == true){
			var curNumItem =  self.numNav[self.options.itemNum];
		}
		
		//check for passedID presence
		if(passedID != null) {
			if(self.options.itemNum != passedID){
				if(self.options.itemNum > passedID) { 
					self.direction = 0; 
				} else { 
					self.direction = 1;
				}
				self.options.itemNum = passedID;
			}
		}
		else{
			self.changeIndex();	
		}
		
		
		//now get item to slide in using new index
		var newItem = self.options.items[self.options.itemNum];
		if(self.direction == 0){
			var curX = self.options.container.getSize().x;
			var newX = (-1 * newItem.getSize().x);
            var curY = self.options.container.getSize().y;
            var newY = (-1 * newItem.getSize().y);
		}
		else{
			var curX = (-1 * self.options.container.getSize().x);	
			var newX = newItem.getSize().x;
            var curY = (-1 * self.options.container.getSize().y);
            var newY = newItem.getSize().y;
		}
		
		
		//add/remove active number's highlight
		if(self.options.numNavActive == true){
			var newNumItem =  self.numNav[self.options.itemNum];
			newNumItem.addClass('active');
		}
		
		
		//set up our animation stylings
		var item_in = new Fx.Morph(newItem, {
		     duration: self.options.transitionTime, 
		     transition: self.options.transitionType,
		     link: 'ignore',
		     
		     onStart: function(){
				self.isSliding = 1;  //prevents extra clicks
			},
		     
		     onComplete: function(){
				self.isSliding = 0;  //prevents extra clicks
			}
		     
		});
		
		
		
        if(self.options.orientation == 'vertical'){
            if(self.options.fade == true){item_in.start({'opacity':[0,1],'top' : [newY, 0]});}
            else{item_in.start({'top' : [newY, 0]});}
        }else if(self.options.orientation == 'none') {
            item_in.start({'opacity':[0,1]});
        }else{
            if(self.options.fade == true){item_in.start({'opacity':[0,1],'left' : [newX, 0]});}
            else{item_in.start({'left' : [newX, 0]});}
        }
        
		
		if(curItem != newItem){
			var item_out = new Fx.Morph(curItem, {
				     duration: self.options.transitionTime, 
				     transition: self.options.transitionType,
				     link: 'ignore'
			});
			
			if(self.options.numNavActive == true){
				curNumItem.removeClass('active');
			}
			
            if(self.options.orientation == 'vertical'){
                if(self.options.fade == true){item_out.start({'opacity':[0],'top' : [(curY)]});}
                else{item_out.start({'top' : [(curY)]});}
            }else if(self.options.orientation == 'none') {
                item_out.start({'opacity':[1,0]});
            }else{
                if(self.options.fade == true){item_out.start({'opacity':[0],'left' : [(curX)]});}
                else{item_out.start({'left' : [(curX)]});}
            }
		}
	},
	
	
	//--------------------------------------------------------------------------------------------------------
	//supplementary functions  (mini-functions)
	//--------------------------------------------------------------------------------------------------------
	pauseIt: function () {
		
		var self = this;
		
		//only move if not currently moving
		if(self.isSliding == 0){
			if(self.options.isPaused == false){
				self.options.isPaused = true;
				$clear(self.timer);
				self.options.playBtn.set('text', 'play');				
			}
			else{
				self.options.isPaused = false;
				self.slideIt();
				self.timer = self.slideIt.periodical(self.options.slideTimer, this, null); 
				self.options.playBtn.set('text', 'pause');
			}
			
		} //end if not sliding
		
	},
	
	changeIndex: function() {
		var self = this; 
		
		var numItems = self.options.items.length;  //get number of slider items
		
		//change index based on value of 'direction' parameter
		if(self.direction == 1){
			if(self.options.itemNum < (numItems - 1)){
				self.options.itemNum++; 
			}
			else{
				self.options.itemNum = 0;
			}
		}
		else if(self.direction == 0){
			if(self.options.itemNum > 0){
				self.options.itemNum--; 
			}
			else{
				self.options.itemNum = (numItems - 1);
			}
		}	
		
	},
	
	numPress: function (theIndex) {
		var self = this;
		
		if((self.isSliding == 0) && (self.options.itemNum != theIndex)){
			if(self.options.isPaused == false){
				$clear(self.timer);
				self.timer = self.slideIt.periodical(self.options.slideTimer, this, null);
			}
			self.slideIt(theIndex);
		}
	}
	//------------------------  end supp. functions -----------------------------------------//

});


/**
 * END SL_Slider
 */