/*
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 *
 * Uses the built in easing capabilities added In jQuery 1.1
 * to offer multiple easing options
 *
 * TERMS OF USE - jQuery Easing
 * 
 * Open source under the BSD License. 
 * 
 * Copyright © 2008 George McGinley Smith
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
*/

// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	},
	easeOutSine: function (x, t, b, c, d) {
		return c * Math.sin(t/d * (Math.PI/2)) + b;
	},
	easeInOutSine: function (x, t, b, c, d) {
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	},
	easeInExpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeOutExpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
	},
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	},
	easeInCirc: function (x, t, b, c, d) {
		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeOutCirc: function (x, t, b, c, d) {
		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeInOutCirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeInElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	},
	easeOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	},
	easeInOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
	},
	easeInBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeInOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158; 
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeInBounce: function (x, t, b, c, d) {
		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
	},
	easeOutBounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeInOutBounce: function (x, t, b, c, d) {
		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});

/*
 *
 * TERMS OF USE - EASING EQUATIONS
 * 
 * Open source under the BSD License. 
 * 
 * Copyright © 2001 Robert Penner
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
 */;
(function($) {
	var	aux		= {
			// navigates left / right
			navigate	: function( dir, $el, $wrapper, opts, cache ) {
				
				var scroll		= opts.scroll,
					factor		= 1,
					idxClicked	= 0;
					
				if( cache.expanded ) {
					scroll		= 1; // scroll is always 1 in full mode
					factor		= 3; // the width of the expanded item will be 3 times bigger than 1 collapsed item	
					idxClicked	= cache.idxClicked; // the index of the clicked item
				}
				
				// clone the elements on the right / left and append / prepend them according to dir and scroll
				if( dir === 1 ) {
					$wrapper.find('div.views-row:lt(' + scroll + ')').each(function(i) {
						$(this).clone(true).css( 'left', ( cache.totalItems - idxClicked + i ) * cache.itemW * factor + 'px' ).appendTo( $wrapper );
					});
				}
				else {
					var $first	= $wrapper.children().eq(0);
					
					$wrapper.find('div.views-row:gt(' + ( cache.totalItems  - 1 - scroll ) + ')').each(function(i) {
						// insert before $first so they stay in the right order
						$(this).clone(true).css( 'left', - ( scroll - i + idxClicked ) * cache.itemW * factor + 'px' ).insertBefore( $first );
					});
				}
				
				// animate the left of each item
				// the calculations are dependent on dir and on the cache.expanded value
				$wrapper.find('div.views-row').each(function(i) {
					var $item	= $(this);
					$item.stop().animate({
						left	:  ( dir === 1 ) ? '-=' + ( cache.itemW * factor * scroll ) + 'px' : '+=' + ( cache.itemW * factor * scroll ) + 'px'
					}, opts.sliderSpeed, opts.sliderEasing, function() {
						if( ( dir === 1 && $item.position().left < - idxClicked * cache.itemW * factor ) || ( dir === -1 && $item.position().left > ( ( cache.totalItems - 1 - idxClicked ) * cache.itemW * factor ) ) ) {
							// remove the item that was cloned
							$item.remove();
						}						
						cache.isAnimating	= false;
					});
				});
				
			},
			// opens an item (animation) -> opens all the others
			openItem	: function( $wrapper, $item, opts, cache ) {
				cache.idxClicked	= $item.index();
				// the item's position (1, 2, or 3) on the viewport (the visible items) 
				cache.winpos		= aux.getWinPos( $item.position().left, cache );
				$wrapper.find('div.ca-item').not( $item ).hide();
				$item.find('div.ca-content-wrapper').css( 'left', cache.itemW + 'px' ).stop().animate({
					width	: cache.itemW * 2 + 'px',
					left	: cache.itemW + 'px'
				}, opts.itemSpeed, opts.itemEasing)
				.end()
				.stop()
				.animate({
					left	: '0px'
				}, opts.itemSpeed, opts.itemEasing, function() {
					cache.isAnimating	= false;
					cache.expanded		= true;
					
					aux.openItems( $wrapper, $item, opts, cache );
				});
						
			},
			// opens all the items
			openItems	: function( $wrapper, $openedItem, opts, cache ) {
				var openedIdx	= $openedItem.index();
				
				$wrapper.find('div.ca-item').each(function(i) {
					var $item	= $(this),
						idx		= $item.index();
					
					if( idx !== openedIdx ) {
						$item.css( 'left', - ( openedIdx - idx ) * ( cache.itemW * 3 ) + 'px' ).show().find('div.ca-content-wrapper').css({
							left	: cache.itemW + 'px',
							width	: cache.itemW * 2 + 'px'
						});
						
						// hide more link
						aux.toggleMore( $item, false );
					}
				});
			},
			// show / hide the item's more button
			toggleMore	: function( $item, show ) {
				( show ) ? $item.find('a.ca-more').show() : $item.find('a.ca-more').hide();	
			},
			// close all the items
			// the current one is animated
			closeItems	: function( $wrapper, $openedItem, opts, cache ) {
				var openedIdx	= $openedItem.index();
				
				$openedItem.find('div.ca-content-wrapper').stop().animate({
					width	: '0px'
				}, opts.itemSpeed, opts.itemEasing)
				.end()
				.stop()
				.animate({
					left	: cache.itemW * ( cache.winpos - 1 ) + 'px'
				}, opts.itemSpeed, opts.itemEasing, function() {
					cache.isAnimating	= false;
					cache.expanded		= false;
				});
				
				// show more link
				aux.toggleMore( $openedItem, true );
				
				$wrapper.find('div.ca-item').each(function(i) {
					var $item	= $(this),
						idx		= $item.index();
					
					if( idx !== openedIdx ) {
						$item.find('div.ca-content-wrapper').css({
							width	: '0px'
						})
						.end()
						.css( 'left', ( ( cache.winpos - 1 ) - ( openedIdx - idx ) ) * cache.itemW + 'px' )
						.show();
						
						// show more link
						aux.toggleMore( $item, true );
					}
				});
			},
			// gets the item's position (1, 2, or 3) on the viewport (the visible items)
			// val is the left of the item
			getWinPos	: function( val, cache ) {
				switch( val ) {
					case 0 					: return 1; break;
					case cache.itemW 		: return 2; break;
					case cache.itemW * 2 	: return 3; break;
				}
			}
		},
		methods = {
			init 		: function( options ) {
				
				if( this.length ) {
					
					var settings = {
						sliderSpeed		: 1500,			// speed for the sliding animation
						sliderEasing	: 'easeOutExpo',// easing for the sliding animation
						itemSpeed		: 1500,			// speed for the item animation (open / close)
						itemEasing		: 'easeOutExpo',// easing for the item animation (open / close)
						scroll			: 1,			// number of items to scroll at a time
						timeout         : 8000
					};
					
					return this.each(function() {
						
						// if options exist, lets merge them with our default settings
						if ( options ) {
							$.extend( settings, options );
						}
						
						var $el 			= $(this),
							$wrapper		= $el.find('div.carousel-wrapper .view-content'),
							$items			= $wrapper.children('div.views-row'),
							cache			= {};
						
						// save the width of one item	
						cache.itemW			= $items.width();
						// save the number of total items
						cache.totalItems	= $items.length;
						
						// add navigation buttons
						//if( cache.totalItems > 3 
							//$el.append('<div class="ca-nav"><a class="ca-nav-prev"></a><a class="ca-nav-next"></a></div>')	
						
						// control the scroll value
						if( settings.scroll < 1 )
							settings.scroll = 1;
						else if( settings.scroll > 3 )
							settings.scroll = 3;	
						
						var $navPrev		= $('a.ca-nav-prev'),
							$navNext		= $('a.ca-nav-next');
						
						// hide the items except the first 3
						$wrapper.css( 'overflow', 'hidden' );
						
						// the items will have position absolute 
						// calculate the left of each item
						$items.each(function(i) {
							$(this).css({
								position	: 'absolute',
								left		: i * cache.itemW + 'px'
							});
						});
						
						var intal = setInterval(function(){aux.navigate(1, $el, $wrapper, settings, cache );}, settings.timeout);
						
						// click to open the item(s)
						$el.find('a.ca-more').live('click.contentcarousel', function( event ) {
							if( cache.isAnimating ) return false;
							cache.isAnimating	= true;
							$(this).hide();
							var $item	= $(this).closest('div.ca-item');
							aux.openItem( $wrapper, $item, settings, cache );
							return false;
						});
						
						// click to close the item(s)
						$el.find('a.ca-close').live('click.contentcarousel', function( event ) {
							if( cache.isAnimating ) return false;
							cache.isAnimating	= true;
							var $item	= $(this).closest('div.ca-item');
							aux.closeItems( $wrapper, $item, settings, cache );
							return false;
						});
						
						// navigate left
						$navPrev.bind('click.contentcarousel', function( event ) {
							if( cache.isAnimating ) return false;
							cache.isAnimating	= true;
							aux.navigate( -1, $el, $wrapper, settings, cache );
							clearInterval(intal);
							intal = setInterval(function(){aux.navigate(1, $el, $wrapper, settings, cache );}, settings.timeout);
						});
						
						// navigate right
						$navNext.bind('click.contentcarousel', function( event ) {
							if( cache.isAnimating ) return false;
							cache.isAnimating	= true;
							aux.navigate( 1, $el, $wrapper, settings, cache );
							clearInterval(intal);
							intal = setInterval(function(){aux.navigate(1, $el, $wrapper, settings, cache );}, settings.timeout);
						});
						/*
						// adds events to the mouse
						$el.bind('mousewheel.contentcarousel', function(e, delta) {
							if(delta > 0) {
								if( cache.isAnimating ) return false;
								cache.isAnimating	= true;
								aux.navigate( -1, $el, $wrapper, settings, cache );
							}	
							else {
								if( cache.isAnimating ) return false;
								cache.isAnimating	= true;
								aux.navigate( 1, $el, $wrapper, settings, cache );
							}	
							return false;
						});*/
						
					});
				}
			}
		};
	
	$.fn.contentcarousel = function(method) {
		if ( methods[method] ) {
			return methods[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return methods.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.contentcarousel' );
		}
	};
	
})(jQuery);;
(function ($) {
Drupal.behaviors.youthepp = {
  attach: function (context) {
    $('#block-views-carousel-view-block').contentcarousel({
	  // speed for the sliding animation
	  sliderSpeed		: 1500,
	  // easing for the sliding animation
	  sliderEasing	: 'easeOutExpo',
	  // speed for the item animation (open / close)
	  itemSpeed		: 1500,
	  // easing for the item animation (open / close)
	  itemEasing		: 'easeOutExpo',
	  // number of items to scroll at a time
	  scroll			: 1,
	  timeout : 8000
    });
  }
}
})(jQuery);;

