copiereanuefurt/jquery.tinyscrollbar.min.js

(function($){$.tiny=$.tiny||{};$.tiny.scrollbar={options:{axis:'y',wheel:40,scroll:true,size:'auto',sizethumb:'auto'}};$.fn.tinyscrollbar=function(options){var options=$.extend({},$.tiny.scrollbar.options,options);this.each(function(){$(this).data('tsb',new Scrollbar($(this),options));});return this;};$.fn.tinyscrollbar_update=function(sScroll){return $(this).data('tsb').update(sScroll);};function Scrollbar(root,options){var oSelf=this;var oWrapper=root;var oViewport={obj:$('.viewport',root)};var oContent={obj:$('.overview',root)};var oScrollbar={obj:$('.scrollbar',root)};var oTrack={obj:$('.track',oScrollbar.obj)};var oThumb={obj:$('.thumb',oScrollbar.obj)};var sAxis=options.axis=='x',sDirection=sAxis?'left':'top',sSize=sAxis?'Width':'Height';var iScroll,iPosition={start:0,now:0},iMouse={};function initialize(){oSelf.update();setEvents();return oSelf;}
this.update=function(sScroll){oViewport[options.axis]=oViewport.obj[0]['offset'+sSize];oContent[options.axis]=oContent.obj[0]['scroll'+sSize];oContent.ratio=oViewport[options.axis]/oContent[options.axis];oScrollbar.obj.toggleClass('disable',oContent.ratio>=1);oTrack[options.axis]=options.size=='auto'?oViewport[options.axis]:options.size;oThumb[options.axis]=Math.min(oTrack[options.axis],Math.max(0,(options.sizethumb=='auto'?(oTrack[options.axis]*oContent.ratio):options.sizethumb)));oScrollbar.ratio=options.sizethumb=='auto'?(oContent[options.axis]/oTrack[options.axis]):(oContent[options.axis]-oViewport[options.axis])/(oTrack[options.axis]-oThumb[options.axis]);iScroll=(sScroll=='relative'&&oContent.ratio<=1)?Math.min((oContent[options.axis]-oViewport[options.axis]),Math.max(0,iScroll)):0;iScroll=(sScroll=='bottom'&&oContent.ratio<=1)?(oContent[options.axis]-oViewport[options.axis]):isNaN(parseInt(sScroll))?iScroll:parseInt(sScroll);setSize();};function setSize(){oThumb.obj.css(sDirection,iScroll/oScrollbar.ratio);oContent.obj.css(sDirection,-iScroll);iMouse['start']=oThumb.obj.offset()[sDirection];var sCssSize=sSize.toLowerCase();oScrollbar.obj.css(sCssSize,oTrack[options.axis]);oTrack.obj.css(sCssSize,oTrack[options.axis]);oThumb.obj.css(sCssSize,oThumb[options.axis]);};function setEvents(){oThumb.obj.bind('mousedown',start);oThumb.obj[0].ontouchstart=function(oEvent){oEvent.preventDefault();oThumb.obj.unbind('mousedown');start(oEvent.touches[0]);return false;};oTrack.obj.bind('mouseup',drag);if(options.scroll&&this.addEventListener){oWrapper[0].addEventListener('DOMMouseScroll',wheel,false);oWrapper[0].addEventListener('mousewheel',wheel,false);}
else if(options.scroll){oWrapper[0].onmousewheel=wheel;}};function start(oEvent){iMouse.start=sAxis?oEvent.pageX:oEvent.pageY;var oThumbDir=parseInt(oThumb.obj.css(sDirection));iPosition.start=oThumbDir=='auto'?0:oThumbDir;$(document).bind('mousemove',drag);document.ontouchmove=function(oEvent){$(document).unbind('mousemove');drag(oEvent.touches[0]);};$(document).bind('mouseup',end);oThumb.obj.bind('mouseup',end);oThumb.obj[0].ontouchend=document.ontouchend=function(oEvent){$(document).unbind('mouseup');oThumb.obj.unbind('mouseup');end(oEvent.touches[0]);};return false;};function wheel(oEvent){if(!(oContent.ratio>=1)){oEvent=$.event.fix(oEvent||window.event);var iDelta=oEvent.wheelDelta?oEvent.wheelDelta/120:-oEvent.detail/3;iScroll-=iDelta*options.wheel;iScroll=Math.min((oContent[options.axis]-oViewport[options.axis]),Math.max(0,iScroll));oThumb.obj.css(sDirection,iScroll/oScrollbar.ratio);oContent.obj.css(sDirection,-iScroll);oEvent.preventDefault();};};function end(oEvent){$(document).unbind('mousemove',drag);$(document).unbind('mouseup',end);oThumb.obj.unbind('mouseup',end);document.ontouchmove=oThumb.obj[0].ontouchend=document.ontouchend=null;return false;};function drag(oEvent){if(!(oContent.ratio>=1)){iPosition.now=Math.min((oTrack[options.axis]-oThumb[options.axis]),Math.max(0,(iPosition.start+((sAxis?oEvent.pageX:oEvent.pageY)-iMouse.start))));iScroll=iPosition.now*oScrollbar.ratio;oContent.obj.css(sDirection,-iScroll);oThumb.obj.css(sDirection,iPosition.now);}
return false;};return initialize();};})(jQuery);