/**
 * 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();

EM.tools.roundedCorner = function (selector) {
	$$(selector).each(function(el) {
		$(el).addClassName('em-rounded');
		$(el).insert({
			top: '<span class="tl"> </span><span class="tm"> </span><span class="tr"> </span><span class="ml"> </span><span class="mm"> </span><span class="mr"> </span><span class="bl"> </span><span class="bm"> </span><span class="br"> </span>'
		});
	});
};
EM.tools.roundedCornerTextBox = function () {
	$$('.input-text').each(function(el) {
		if (Element.visible(el) && !el.hasClassName('qty')) {
			$(el).relativize();
			$(el.parentNode).addClassName('em-rounded');
			$(el.parentNode).insert({
				top: '<span class="tl"> </span><span class="tm"> </span><span class="tr"> </span><span class="ml"> </span><span class="mm"> </span><span class="mr"> </span><span class="bl"> </span><span class="bm"> </span><span class="br"> </span>'
			});
		}
	});
};

EM.tools.decorateProductsSlideshow = function(el) {
	var ul = el.select('.products-grid')[0];
	var $$li = ul.childElements();
	var prev = el.select('.previous')[0];
	var next = el.select('.next')[0];
	
	
	$$li.invoke('hide').invoke('setStyle', 'position:absolute');
	ul.down().show().addClassName('current');
	console.debug(ul.down().getHeight());
	ul.setStyle('position:relative;height:'+ul.down().getHeight()+'px');
	
	if (ul.childElements().length > 1)
		next.addClassName('active');
		
	next.observe('click', function(event) {
		Event.stop(event);
		if (!ul.down('.last').hasClassName('current'))
			nextSlide();
	});
	
	prev.observe('click', function(event) {
		Event.stop(event);
		if (!ul.down('.first').hasClassName('current'))
			prevSlide();
	});
	
	var effect = null;
	var last_li1, last_li2;
	
	function nextSlide() {
		var li = ul.down('.current').removeClassName('current');
		var next_li = li.next().addClassName('current');
		
		if (next_li.hasClassName('last')) next.removeClassName('active');
		if (li.hasClassName('first')) prev.addClassName('active');
		
		sliding(li, next_li);
	}
	
	function prevSlide() {
		var li = ul.down('.current').removeClassName('current');
		var prev_li = li.previous().addClassName('current');
		
		if (prev_li.hasClassName('first')) prev.removeClassName('active');
		if (li.hasClassName('last')) next.addClassName('active');
		
		sliding(li, prev_li);
	}
	
	function sliding(fade_li, appear_li) {
		if (effect != null) { 
			effect.cancel();
			effect = null;
			last_li1.hide();
			last_li2.show();
		}
		
		last_li1 = fade_li;
		last_li2 = appear_li;
		
		effect = new Effect.Parallel([
			new Effect.Fade(fade_li, { sync:true }),
			new Effect.Appear(appear_li, { sync:true })
		], { 
			beforeStart: function() {
				ul.setStyle('height:'+appear_li.getHeight()+'px');
			}, 
			afterFinish: function() {
				effect = null;
			}
		});
	}
	
};


Effect.BlindRight = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleY: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({width: '0px'}).show();
    },  
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.BlindLeft = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleY: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};


// ExtremeMagento.com {{{
	
function decorateCollateralTabs() {
	var collateral = $$('.product-collateral');
	if (collateral.length > 0) {
		collateral = collateral[0];
		
		// create tabs div
		var tabs = new Element('ul');
		tabs.addClassName('tabs-collateral');
		collateral.insert({ top: tabs });
		
		var boxes = $$('.product-collateral .box-collateral');
		boxes.each(function(div, i) {
			var li = new Element('li');
			var a = new Element('a', { href: '#' });
			var span = new Element('span');

			span.innerHTML = div.down('h2').innerHTML;
			a.contentDiv = div;

			a.insert(span);
			li.insert(a);
			tabs.insert(li);

			if (i > 0)
				div.hide();
			else
				li.addClassName('tab-active');
			
			a.observe('click', function(event) {
				boxes.invoke('hide');
				this.contentDiv.show();
				
				this.up('ul').down('li.tab-active').removeClassName('tab-active');
				this.up('li').addClassName('tab-active');
				
				Event.stop(event);
			}.bind(a));
		});
	}
}

	
// EM0017 {{{
	
function decorateNav() {
	
	var MEGA_MAX_WIDTH = 700;
	
	// stretch out the mega menu in order to calcuate the child elements' widths correctly
	$$('#nav ul.level0').each(function(ul) {
		ul.setStyle({'width': '1000px'});
	});
	
	// split each level-3 UL to contain max 10 LI
	var MAX_ROWS = 10;
	$$('#nav ul.level1').each(function(ul) {
		ul.addClassName('first');
		
		var li_list = ul.childElements();
		var new_ul = false;
		
		for (var i = MAX_ROWS-1; i < li_list.length; i++) {
			var li = li_list[i];
		
			if (i % MAX_ROWS == 0) {
				li.addClassName('first');
				var new_ul = new Element('ul', {'class': 'level1'});
				ul.parentNode.appendChild(new_ul);
			}
			else if ((i+1) % MAX_ROWS == 0)
				li.addClassName('last');
			
			if (new_ul) new_ul.appendChild(li);
		}
		
		if (new_ul) 
			new_ul.addClassName('last');
		else
			ul.addClassName('last');
	});
	
	// calculate level-2 LI's width
	$$('#nav li.level1').each(function(li) {
		// IE doesn't work
		//var width = parseInt(li.getStyle('border-left-width'))
		//			+ parseInt(li.getStyle('border-right-width')) 
		//			+ parseInt(li.getStyle('padding-left'))
		//			+ parseInt(li.getStyle('padding-right')) + 1;
		var width = parseInt(li.getStyle('padding-left')) + parseInt(li.getStyle('padding-right')) + 1;
					
		// loop child elements to calculate the total width of all UL
		li.childElements().each(function(ul) {
			if (ul.tagName == 'UL' || ul.tagName == 'DIV') width += ul.getWidth();
		})
		
		var width = Math.min(width, MEGA_MAX_WIDTH);
		// set the LI's width if neccessary
		if (width > li.getWidth())
			li.setStyle({'width': width+'px'});
	});
	
	// calculate UL.level0's width
	$$('#nav ul.level0').each(function(ul) {

		// IE doesn't work
		//var width = parseInt(ul.getStyle('border-left-width'))
		//			+ parseInt(ul.getStyle('border-right-width')) 
		//			+ parseInt(ul.getStyle('padding-left'))
		//			+ parseInt(ul.getStyle('padding-right')) + 1;
		var width = parseInt(ul.getStyle('padding-left')) + parseInt(ul.getStyle('padding-right')) + 1;
					
		ul.childElements().each(function(li) {
			if (li.tagName == 'LI' && !li.hasClassName('title')) width += li.getWidth();
		});
		
		var width = Math.min(width, MEGA_MAX_WIDTH);
		ul.setStyle({'width': width+'px'});
	});
	
	// add class to align-right to the mega menu if neccessary 
	var right = $('nav').cumulativeOffset()[0] + $('nav').getWidth();
	$$('#nav ul.level0').each(function(ul) {
		if (ul.up().cumulativeOffset()[0] + ul.getWidth() > right)
			ul.addClassName('a-right');
	});
}






function decorateSlideshow()
{
	var slideshow = $('slideshow');
	if (slideshow) {
		var current_idx = 0;
		var effectDuration = 1;
		var effectInterval = 6;
		var delay = 5;
		var manualAppear = false;
		var preventAppear = false;
		
		var ul = slideshow.select('.slideshow-box ul')[0];
		var intro=$('intro-text');
		var $$li = ul.select('li');
		$$li.invoke('hide');
		$$li[current_idx].addClassName('current').show();
		
		ul.select('img').each(function(img) {
			var $img = $(img);
			$img.setStyle({ background:'url('+$img.readAttribute('src')+') 0 0 no-repeat'});
			$img.writeAttribute('src', EM_SLIDESHOW_OVERLAY_IMG);
		});		
		intro.select('img').each(function(imgintro) {			
			imgintro.observe('click', function(event) {
			
				appearimgintro(imgintro,event);
			});
		});
		slideshow.down('a.previous').observe('click', function(event) {
			Event.stop(event);
			manualAppear = true;
			if (current_idx > 0) 
				appear(current_idx-1);
			else
				appear($$li.length-1);
		});
		
		slideshow.down('a.next').observe('click', function(event) {
			Event.stop(event);
			manualAppear = true;
			if (current_idx < $$li.length - 1) 
				appear(current_idx+1);
			else
				appear(0);
		});
		function appearimgintro(i,event) {
			Event.stop(event);
			manualAppear = true;			
			intro.select('img.active').each(function(n) {			
				Element.removeClassName(n, 'active');
			});
			
			if(Number(i.alt)==current_idx) return;
			if(Number(i.alt)>=0&&Number(i.alt)<=$$li.length)
			{
				
				Element.addClassName(i, 'active');
				appear(Number(i.alt));
			}
		};
		function appear(i) {
			//if (preventAppear) return;
			//preventAppear = true;
			
			if (typeof i == 'undefined') 
				i = current_idx < $$li.length - 1 ? current_idx+1 : 0;
			
			//alert(current_idx);
			//alert(i);
			var hide_li = $$li[current_idx];
			var show_li = $$li[i];
			
			current_idx = i;
			
			new Effect.Parallel([
				new Effect.Fade(hide_li, { sync: true }),
				new Effect.Appear(show_li, { sync: true })
			], {
				queue: { position:'end', scope:'slideshow' },
				duration: effectDuration,
				afterFinish: function() {
					Element.removeClassName(hide_li, 'current');
					Element.addClassName(show_li, 'current');
					//preventAppear = false;
				}
			});
		}
		
		// auto run slideshow
		/*window.setTimeout(function() {
			new PeriodicalExecuter(function() {
				if (!manualAppear) appear();
				manualAppear = false;
			}, effectInterval);
		}, delay * 1000);*/
		
	}
}
	
document.observe('dom:loaded', function() {		
	function main() {
		decorateNav();	
		//decorateCollateralTabs();
		decorateSlideshow();

	}
	
	// work around dom:loaded bug on IE8
	if (Prototype.Browser.IE && Prototype.Version < '1.6.1')
		window.setTimeout(main, 100);
	else
		main();
});

// }}}

})();