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