/*

 * Author: Digital Zoom Studio

 * Website: http://digitalzoomstudio.net/

 * Portfolio: http://codecanyon.net/user/ZoomIt/portfolio

 */



(function($) {

	$.fn.scroller = function(o) {



		var defaults = {

			totalWidth : undefined,

			totalwidth : undefined,

			settings_multiplier : 3,

			settings_smoothing : 'onf',

			settings_scrollbary_class : 'simple-scrollbary',

			settings_scrollbarybg_class : 'simple-scrollbary-bg',

			settings_scrollbarx_class : 'simple-scrollbarx',

			settings_scrollbarxbg_class : 'simple-scrollbarx-bg',

			settings_scrollbar:'on',

			settings_scrollbyhover:'off',

			settings_fadeoutonleave:'off',

			settings_replacewheelxwithy:'off',

			settings_refresh:0

		};

		var o = $.extend(defaults, o);



		this.each( function() {



			//console.log(this);

			var totalWidth=0;

			var totalHeight=0;

			var auxdeltax=0;

			var auxdeltay=0;

			var viewIndexWidth=0;

			var scrollIndexY=0;

			var scrollIndexX=0;

			var scrollbar_height=0;

			var inner;

			var outer;

			var comWidth=0;

			var comHeight=0;

			var scrollbary;

			var scrollbary_bg;

			var scrollbarx;

			var scrollbarx_bg;

			var cthis = $(this);

			var mousex=0;

			var mousey=0;

			var scrollbary_pressed=false;

			var scrollbarx_pressed=false;

			var scrollbary_height=0;

			var scrollbarx_height=0;

			var scrollbary_width=0;

			var scrollbarx_width=0;

			

			var viewIndexX=0;

			var viewIndexY=0;

			

			

			var dir_hor=true;

			var dir_ver=true;

			

			var duration_smoothing = 60;

			

			inner = cthis.find('.inner');

			if(is_ios()){

				cthis.css('overflow', 'auto')

				return

			}

			inner.wrap('<div class="scroller"></div>')

			outer=cthis.find('.scroller');

			

			

			init();

			

			function init(){

			if(o.totalWidth!=undefined)

			totalWidth = o.totalWidth;

			else

			totalWidth = cthis.width();

			

			if(o.totalHeight!=undefined)

			totalHeight = o.totalHeight;

			else

			totalHeight = cthis.height();

			

			outer.css({

				'width' : totalWidth,

				'height' : totalHeight

			})

			cthis.css({

				'width' : totalWidth,

				'height' : totalHeight,

				'overflow' : 'inherit'

			})

			if(jQuery.browser.msie!=undefined && jQuery.browser.version==7)

			cthis.css('overflow', 'visible');

			inner.css({

				//'width' : totalWidth

			})

			comWidth = inner.width();

			comHeight = inner.height();

			if(inner.find('.real-inner').length==1){

			comWidth = inner.find('.real-inner').width();

			comHeight = inner.find('.real-inner').height();

			}

			

			//determining the direction ------------

			if(comHeight<=totalHeight) dir_ver=false;

			if(comWidth<=totalWidth) dir_hor=false;

			

			if(dir_ver==false && dir_hor==false)

			return;

			

			

			if(o.settings_scrollbar=='on'){

			if(dir_ver){

			cthis.append('<div class="' + o.settings_scrollbarybg_class + '"></div>')

			cthis.append('<div class="' + o.settings_scrollbary_class + '"></div>')

			}

			if(dir_hor){

			cthis.append('<div class="' + o.settings_scrollbarxbg_class + '"></div>')

			cthis.append('<div class="' + o.settings_scrollbarx_class + '"></div>')

			}

			}

			

			

			if(dir_ver){

			scrollbary = cthis.children('.' + o.settings_scrollbary_class);

			scrollbary_bg = cthis.children('.' + o.settings_scrollbarybg_class);

			scrollbary_height = scrollbary.height();

			scrollbary_bg.css('height', totalHeight);

			

			

			if(o.settings_fadeoutonleave=='on'){

				scrollbary.css('opacity', 0);

				scrollbary_bg.css('opacity', 0);

			}

			}

			

			

			if(dir_hor){

			scrollbarx = cthis.children('.' + o.settings_scrollbarx_class);

			scrollbarx_bg = cthis.children('.' + o.settings_scrollbarxbg_class);

			scrollbarx_height = scrollbarx.width();

			scrollbarx_bg.css('width', totalWidth);

			

			

			if(o.settings_fadeoutonleave=='on'){

				scrollbarx.css('opacity', 0);

				scrollbarx_bg.css('opacity', 0);

			}

			if(o.settings_refresh>0)

			setInterval(reinit, o.settings_refresh);

			}

			

			

			}

			function reinit(){

				comWidth = inner.width();

				comHeight = inner.height();

				if(inner.find('.real-inner').length==1){

				comWidth = inner.find('.real-inner').width();

				comHeight = inner.find('.real-inner').height();

				}

			}

			

			$.fn.scroller.reinit = function() {

				reinit();

			}

			if(o.settings_scrollbyhover!='on')

			cthis.mousewheel(function(event, delta,deltaX,deltaY) {

				auxdeltax=-Math.floor(deltaX);

				auxdeltay=Math.floor(deltaY);

				if(o.settings_replacewheelxwithy=='on')

				auxdeltax=Math.floor(deltaY);

				

				

				if(dir_ver){

				if(deltaY>0 && auxdeltay<deltaY)

				auxdeltay++;

				

				if(deltaY<0 && auxdeltay>deltaY)

				auxdeltay--;

				

				viewIndexY+= ( auxdeltay * o.settings_multiplier );

				scrollIndexY = viewIndexY / (comHeight - totalHeight) * -(totalHeight - scrollbary_height);

				}

				

				

				if(dir_hor){

					

				if(deltaX<0 && auxdeltax>deltaX)

				auxdeltax++;

				

				if(deltaX>0 && auxdeltax<deltaX)

				auxdeltax--;

				

				viewIndexX+= ( auxdeltax * o.settings_multiplier );

				//console.log(deltaX, deltaY, delta, auxdeltax, viewIndexX)

				scrollIndexX = viewIndexX / (comWidth - totalWidth) * -(totalWidth - scrollbarx_height);

				}

				

				

				animateScrollbar();

				

				event.stopPropagation();

				event.preventDefault();

			});

			

			if(scrollbary_bg)

			scrollbary_bg.mousedown(function(event){

				scrollbary_pressed=true;

				return false;

			})

			if(scrollbary)

			scrollbary.mousedown(function(event){

				scrollbary_pressed=true;

				return false;

			})

			

			if(scrollbarx_bg)

			scrollbarx_bg.mousedown(function(event){

				scrollbarx_pressed=true;

				return false;

			})

			if(scrollbarx)

			scrollbarx.mousedown(function(event){

				scrollbarx_pressed=true;

				return false;

			})

			

			jQuery(document).mousemove(function(e){

				mousex = (e.pageX - cthis.offset().left);

				mousey = (e.pageY - cthis.offset().top);

				if(o.settings_scrollbyhover=='on' && (mousex<0 || mousey<0 || mousex>totalWidth + 20 || mousey>totalHeight + 20)) return;

				if(dir_ver==true && (scrollbary_pressed==true || o.settings_scrollbyhover=='on')){

				scrollIndexY= mousey / totalHeight * (totalHeight - scrollbary_height);

				viewIndexY= mousey / totalHeight * (totalHeight - comHeight);

				animateScrollbar();

				}

				

				if(dir_hor==true && (scrollbarx_pressed==true || o.settings_scrollbyhover=='on')){

				//scrollIndexY=

				//console.log('ceva');

				scrollIndexX= mousex / totalWidth * (totalWidth - scrollbarx_height);

				viewIndexX= mousex / totalWidth * (totalWidth - comWidth);

				animateScrollbar();

				}

				

				if(o.settings_fadeoutonleave=='on'){

					scrollbary.animate({

						'opacity' : 1

					},{queue:false, duration:500});

					scrollbary_bg.animate({

						'opacity' : 1

					},{queue:false, duration:500});

				}

				

			})

			jQuery(document).mouseup(function(event){

				//console.log('mouseup')

				scrollbary_pressed=false;

				scrollbarx_pressed=false;

			})

			function animateScrollbar(){

				//console.log(viewIndexX, viewIndexY);

				if(dir_ver){

				if(viewIndexY>0) viewIndexY = 0;

				if(viewIndexY<-(comHeight - totalHeight)) viewIndexY = -(comHeight - totalHeight);

				

				

				if(scrollIndexY<0) scrollIndexY = 0;

				if(scrollIndexY>(totalHeight - scrollbary_height)) scrollIndexY = (totalHeight - scrollbary_height);

				

				if(o.settings_smoothing!='on'){

				inner.css({

				'top' : viewIndexY

				})

				scrollbary.css({

				'top' : scrollIndexY

				})

				

				}else{

				inner.animate({

				'top' : viewIndexY

				},{queue:false, duration:duration_smoothing})

				scrollbary.animate({

				'top' : scrollIndexY

				},{queue:false, duration:duration_smoothing})

				}

				}

				

				if(dir_hor){

					

				if(viewIndexX>0) viewIndexX = 0;

				if(viewIndexX<-(comWidth - totalWidth)) viewIndexX = -(comWidth - totalWidth);

				

				//console.log(viewIndexX);

				if(scrollIndexX<0) scrollIndexX = 0;

				if(scrollIndexX>(totalWidth - scrollbarx_height)) scrollIndexX = (totalWidth - scrollbarx_height);

				

				if(o.settings_smoothing!='on'){

				inner.css({

				'left' : viewIndexX

				})

				scrollbarx.css({

				'left' : scrollIndexX

				})

				

				}else{

				inner.animate({

				'left' : viewIndexX

				},{queue:false, duration:duration_smoothing})

				scrollbarx.animate({

				'left' : scrollIndexX

				},{queue:false, duration:duration_smoothing})

				}

				

				}

			}

			if(o.settings_fadeoutonleave=='on')

			cthis.mouseout(function(e){

					scrollbary.animate({

						'opacity' : 0

					},{queue:false, duration:500});

					scrollbary_bg.animate({

						'opacity' : 0

					},{queue:false, duration:500});

			})

			

			return this;

		});

	};

})(jQuery);

function is_ios(){

    return (

        (navigator.platform.indexOf("iPhone") != -1) ||

        (navigator.platform.indexOf("iPod") != -1) ||

        (navigator.platform.indexOf("iPad") != -1)

    )

}