1 line
2.7 KiB
JavaScript
1 line
2.7 KiB
JavaScript
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(function(a){function b(b,c){function w(a){if(!(g.ratio>=1)){o.now=Math.min(i[c.axis]-j[c.axis],Math.max(0,o.start+((k?a.pageX:a.pageY)-p.start)));n=o.now*h.ratio;g.obj.css(l,-n);j.obj.css(l,o.now)}return false}function v(b){a(document).unbind("mousemove",w);a(document).unbind("mouseup",v);j.obj.unbind("mouseup",v);document.ontouchmove=j.obj[0].ontouchend=document.ontouchend=null;return false}function u(b){if(!(g.ratio>=1)){var b=b||window.event;var d=b.wheelDelta?b.wheelDelta/120:-b.detail/3;n-=d*c.wheel;n=Math.min(g[c.axis]-f[c.axis],Math.max(0,n));j.obj.css(l,n/h.ratio);g.obj.css(l,-n);b=a.event.fix(b);b.preventDefault()}}function t(b){p.start=k?b.pageX:b.pageY;var c=parseInt(j.obj.css(l));o.start=c=="auto"?0:c;a(document).bind("mousemove",w);document.ontouchmove=function(b){a(document).unbind("mousemove");w(b.touches[0])};a(document).bind("mouseup",v);j.obj.bind("mouseup",v);j.obj[0].ontouchend=document.ontouchend=function(b){a(document).unbind("mouseup");j.obj.unbind("mouseup");v(b.touches[0])};return false}function s(){j.obj.bind("mousedown",t);j.obj[0].ontouchstart=function(a){a.preventDefault();j.obj.unbind("mousedown");t(a.touches[0]);return false};i.obj.bind("mouseup",w);if(c.scroll&&this.addEventListener){e[0].addEventListener("DOMMouseScroll",u,false);e[0].addEventListener("mousewheel",u,false)}else if(c.scroll){e[0].onmousewheel=u}}function r(){j.obj.css(l,n/h.ratio);g.obj.css(l,-n);p["start"]=j.obj.offset()[l];var a=m.toLowerCase();h.obj.css(a,i[c.axis]);i.obj.css(a,i[c.axis]);j.obj.css(a,j[c.axis])}function q(){d.update();s();return d}var d=this;var e=b;var f={obj:a(".viewport",b)};var g={obj:a(".overview",b)};var h={obj:a(".scrollbar",b)};var i={obj:a(".track",h.obj)};var j={obj:a(".thumb",h.obj)};var k=c.axis=="x",l=k?"left":"top",m=k?"Width":"Height";var n,o={start:0,now:0},p={};this.update=function(a){f[c.axis]=f.obj[0]["offset"+m];g[c.axis]=g.obj[0]["scroll"+m];g.ratio=f[c.axis]/g[c.axis];h.obj.toggleClass("disable",g.ratio>=1);i[c.axis]=c.size=="auto"?f[c.axis]:c.size;j[c.axis]=Math.min(i[c.axis],Math.max(0,c.sizethumb=="auto"?i[c.axis]*g.ratio:c.sizethumb));h.ratio=c.sizethumb=="auto"?g[c.axis]/i[c.axis]:(g[c.axis]-f[c.axis])/(i[c.axis]-j[c.axis]);n=a=="relative"&&g.ratio<=1?Math.min(g[c.axis]-f[c.axis],Math.max(0,n)):0;n=a=="bottom"&&g.ratio<=1?g[c.axis]-f[c.axis]:isNaN(parseInt(a))?n:parseInt(a);r()};return q()}a.tiny=a.tiny||{};a.tiny.scrollbar={options:{axis:"y",wheel:40,scroll:true,size:"auto",sizethumb:"auto"}};a.fn.tinyscrollbar=function(c){var c=a.extend({},a.tiny.scrollbar.options,c);this.each(function(){a(this).data("tsb",new b(a(this),c))});return this};a.fn.tinyscrollbar_update=function(b){return a(this).data("tsb").update(b)};})(jQuery)
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