/**
 * Javascript library for template ExtremeMagento
 * @copyright 2007 Quick Solution LTD. All rights reserved.
 * @author Giao L. Trinh <giao.trinh@quicksolutiongroup.com>
 */

(function() {
	
// EM.tools {{{
	
if (typeof BLANK_IMG == 'undefined') 
	var BLANK_IMG = '';

// declare namespace() method
String.prototype.namespace = function(separator) {
  this.split(separator || '.').inject(window, function(parent, child) {
    var o = parent[child] = { }; return o;
  });
};


'EM.tools'.namespace();


// EM0008 {{{
	
function decorateSlideshow() {
	var $$li = $$('#slideshow ul li');
	if ($$li.length > 0) {
		
		// reset UL's width
		var ul = $$('#slideshow ul')[0];
		var w = 0;
		$$li.each(function(li) {
			w += li.getWidth();
		});
		ul.setStyle({'width':w+'px'});
		
		// private variables
		var previous = $$('#slideshow a.previous')[0];
		var next = $$('#slideshow a.next')[0];
		var num = 1;
		var width = ul.down().getWidth() * num;
		var slidePeriod = 3; // seconds
		var manualSliding = false;
		
		// next slide
		function nextSlide() {
			new Effect.Move(ul, { 
				x: -width,
				mode: 'relative',
				queue: 'end',
				duration: 1.0,
				//transition: Effect.Transitions.sinoidal,
				afterFinish: function() {
					for (var i = 0; i < num; i++)
						ul.insert({ bottom: ul.down() });
					ul.setStyle('left:0');
				}
			});
		}
		
		// previous slide
		function previousSlide() {
			new Effect.Move(ul, { 
				x: width,
				mode: 'relative',
				queue: 'end',
				duration: 1.0,
				//transition: Effect.Transitions.sinoidal,
				beforeSetup: function() {
					for (var i = 0; i < num; i++)
						ul.insert({ top: ul.down('li:last-child') });
					ul.setStyle({'position': 'relative', 'left': -width+'px'});
				}
			});
		}
		
		function startSliding() {
			sliding = true;
		}
		
		function stopSliding() {
			sliding = false;
		}
		
		// bind next button's onlick event
		next.observe('click', function(event) {
			Event.stop(event);
			manualSliding = true;
			nextSlide();
		});
		
		// bind previous button's onclick event
		previous.observe('click', function(event) {
			Event.stop(event);
			manualSliding = true;
			previousSlide();
		});
		
		
		// auto run slideshow
		new PeriodicalExecuter(function() {
			if (!manualSliding) previousSlide();
			manualSliding = false;
		}, slidePeriod);
		
		
	}
}

function decorateSlideshow2() {
	var slideshow = $('slideshow2');
	if (slideshow) {

		// private variables
		var ul = slideshow.select('.slideshow-box ul')[0];
		var $$li = ul.select('li');
		var width = ul.down('li').getWidth();
		var slidePeriod = 6; // seconds
		var manualSliding = false;
		var currentIdx = 0;
		
		// reset slideshow UL's width
		ul.setStyle({ width: width*$$li.length+10+'px' });
		
		// store slideshow image index into LI
		for (var i = 0; i < $$li.length; i++) {
			$$li[i].slideshowIdx = i;
			//$$li[i].setAttribute('id', 'slideshow2_'+i);
		}
		
		// generate Navigation
		var nav = slideshow.select('.navigation')[0];
		nav.insert('<ul></ul>');
		var nav_ul = nav.down('ul');
		for (var i = 0; i < $$li.length; i++) {
			var attr = '';
			if (i == 0) var attr = 'class="active"';
			nav_ul.insert('<li><a href="#'+i+' " '+attr+'>'+(i+1)+'</a></li>');
		}
		
		// bind onClick event on navigation A element
		var $$nav_li = nav_ul.childElements();
		nav_ul.select('a').each(function(a) {
			a.observe('click', function(event) {
				Event.stop(event);
				if (a.hasClassName('active')) return;
				
				manualSliding = true;
				
				var current = a.up('li');
				var active = nav_ul.select('a.active')[0].up('li');
				var idx_current = $$nav_li.indexOf(current);
				var idx_active = $$nav_li.indexOf(active);
				
				if (idx_current > idx_active)
					nextSlide(idx_current - idx_active);
				else
					previousSlide(idx_active - idx_current);
			}.bind(a));
		}.bind(this));
		
		// next slide
		function nextSlide(n) {
			if (typeof n == 'undefined') n = 1;
			
			new Effect.Move(ul, { 
				x: -width*n,
				mode: 'relative',
				//queue: 'end',
				duration: 1.0,
				transition: Effect.Transitions.sinoidal,
				beforeSetup: function() {
					// set current slide indicator
					nav_ul.select('a.active')[0].removeClassName('active');
					nav_ul.down('li', ul.down().next(n-1).slideshowIdx).down('a').addClassName('active');
				},
				afterFinish: function() {
					for (var i = 0; i < n; i++)
						ul.insert({ bottom: ul.down() });
					ul.setStyle('left:0');
				}
			});
		}
		
		// previous slide
		function previousSlide(n) {
			if (typeof n == 'undefined') n = 1;
			new Effect.Move(ul, { 
				x: width*n,
				mode: 'relative',
				//queue: 'end',
				duration: 1.0,
				transition: Effect.Transitions.sinoidal,
				beforeSetup: function() {
					// set current slide indicator
					nav_ul.select('a.active')[0].removeClassName('active');
					var li = ul.down('li:last-child');
					if (n > 1) li = li.previous(n-2);
					nav_ul.down('li', li.slideshowIdx).down('a').addClassName('active');
					
					for (var i = 0; i < n; i++)
						ul.insert({ top: ul.down('li:last-child') });
					ul.setStyle({'position': 'relative', 'left': -width*n+'px'});
				}
			});
		}
		
		// auto run slideshow
		new PeriodicalExecuter(function() {
				if (!manualSliding) nextSlide();
				manualSliding = false;
			}, slidePeriod);
			
	}
}

document.observe("dom:loaded", function() {
	decorateSlideshow();
	decorateSlideshow2();
});

// }}}

})();





/**
 * @author Bruno Bornsztein <bruno@missingmethod.com>
 * @copyright 2007 Curbly LLC
 * @package Glider
 * @license MIT
 * @url http://www.missingmethod.com/projects/glider/
 * @version 0.0.3
 * @dependencies prototype.js 1.5.1+, effects.js
 */

/*  Thanks to Andrew Dupont for refactoring help and code cleanup - http://andrewdupont.net/  */

Glider = Class.create();
Object.extend(Object.extend(Glider.prototype, Abstract.prototype), {
	initialize: function(wrapper, options){
	    this.scrolling  = false;
	    this.wrapper    = $(wrapper);
	    this.scroller   = this.wrapper.down('div.scroller');
	    this.sections   = this.wrapper.getElementsBySelector('div.section');
	    this.options    = Object.extend({ duration: 1.0, frequency: 3 }, options || {});

	    this.sections.each( function(section, index) {
	      section._index = index;
	    });    

	    this.events = {
	      click: this.click.bind(this)
	    };

	    this.addObservers();
			if(this.options.initialSection) this.moveTo(this.options.initialSection, this.scroller, { duration:this.options.duration });  // initialSection should be the id of the section you want to show up on load
			if(this.options.autoGlide) this.start();
	  },
	
  addObservers: function() {
    var controls = this.wrapper.getElementsBySelector('div.controls a');
    controls.invoke('observe', 'click', this.events.click);
  },	

  click: function(event) {
		this.stop();
    var element = Event.findElement(event, 'a');
    if (this.scrolling) this.scrolling.cancel();
    
    this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });     
    Event.stop(event);
  },

	moveTo: function(element, container, options){
			this.current = $(element);

			Position.prepare();
	    var containerOffset = Position.cumulativeOffset(container),
	     elementOffset = Position.cumulativeOffset($(element));

		  this.scrolling 	= new Effect.SmoothScroll(container, 
				{duration:options.duration, x:(elementOffset[0]-containerOffset[0]), y:(elementOffset[1]-containerOffset[1])});
		  return false;
		},
		
  next: function(){
    if (this.current) {
      var currentIndex = this.current._index;
      var nextIndex = (this.sections.length - 1 == currentIndex) ? 0 : currentIndex + 1;      
    } else var nextIndex = 1;
	
    this.moveTo(this.sections[nextIndex], this.scroller, { 
      duration: this.options.duration
    });

  },
  autoslide: function(te){  
   setTimeout(function(){  
   /*var currentIndex = te.current._index;
   var nextIndex = (te.sections.length - 1 == currentIndex) ? 0 : currentIndex + 1;
	if(nextIndex==0){
	te.previous();
	}else{  
	 te.next();
	}	*/
	te.next();
   te.autoslide(te);   
   },5000); 
  },
	
  previous: function(){
    if (this.current) {
      var currentIndex = this.current._index;
      var prevIndex = (currentIndex == 0) ? this.sections.length - 1 : 
       currentIndex - 1;
    } else var prevIndex = this.sections.length - 1;
    
    this.moveTo(this.sections[prevIndex], this.scroller, { 
      duration: this.options.duration
    });
  },

	stop: function()
	{
		clearTimeout(this.timer);
	},
	
	start: function()
	{
		this.periodicallyUpdate();
	},
		
	periodicallyUpdate: function()
	{ 
		if (this.timer != null) {
			clearTimeout(this.timer);
			this.next();
		}
		this.timer = setTimeout(this.periodicallyUpdate.bind(this), this.options.frequency*1000);
	}

});

Effect.SmoothScroll = Class.create();
Object.extend(Object.extend(Effect.SmoothScroll.prototype, Effect.Base.prototype), {
  initialize: function(element) {
    this.element = $(element);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'absolute'
    } , arguments[1] || {}  );
    this.start(options);
  },
  setup: function() {
    if (this.options.continuous && !this.element._ext ) {
      this.element.cleanWhitespace();
      this.element._ext=true;
      this.element.appendChild(this.element.firstChild);
    }
   
    this.originalLeft=this.element.scrollLeft;
    this.originalTop=this.element.scrollTop;
   
    if(this.options.mode == 'absolute') {
      this.options.x -= this.originalLeft;
      this.options.y -= this.originalTop;
    } 
  },
  update: function(position) {   
    this.element.scrollLeft = this.options.x * position + this.originalLeft;
    this.element.scrollTop  = this.options.y * position + this.originalTop;
  }
});