以下是 jquery.nicescroll无滚动条左右拖拽特效代价 的示例演示效果:
部分效果截图:
HTML代码(index.html):
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery.nicescroll无滚动条左右拖拽</title>
<link href="css/zzsc.css" type="text/css" rel="stylesheet" />
<script src="js/jquery.min.js"></script>
<script src="js/jquery.nicescroll.js"></script>
<script>
$(document).ready(function() {
var nicesx = $("#boxscroll").niceScroll("#boxscroll div",{touchbehavior:true,cursorcolor:"#FF00FF",cursoropacitymax:0.6,cursorwidth:24,usetransition:true,hwacceleration:true,autohidemode:"hidden"});
});
</script>
</head>
<body>
<div id="boxscroll">
<div>
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
<img src="images/zzsc.jpg" width="1257" height="313" onmousedown="return false" />
</div>
</div>
</body>
</html>
JS代码(jquery.nicescroll.js):
/* jquery.nicescroll-- version 3.5.0 BETA5-- copyright 2011-12-13 InuYaksa*2013-- licensed under the MIT---- http://areaaperta.com/nicescroll-- https://github.com/inuyaksa/jquery.nicescroll--*/
(function(jQuery){
// globals var domfocus = false;
var mousefocus = false;
var zoomactive = false;
var tabindexcounter = 5000;
var ascrailcounter = 2000;
var globalmaxzindex = 0;
var $ = jQuery;
// sandbox // http://stackoverflow.com/questions/2161159/get-script-path function getScriptPath(){
var scripts=document.getElementsByTagName('script');
var path=scripts[scripts.length-1].src.split('?')[0];
return (path.split('/').length>0) ? path.split('/').slice(0,-1).join('/')+'/':'';
}
var scriptpath = getScriptPath();
var vendors = ['ms','moz','webkit','o'];
var setAnimationFrame = window.requestAnimationFrame||false;
var clearAnimationFrame = window.cancelAnimationFrame||false;
if (!setAnimationFrame){
for(var vx in vendors){
var v = vendors[vx];
if (!setAnimationFrame) setAnimationFrame = window[v+'RequestAnimationFrame'];
if (!clearAnimationFrame) clearAnimationFrame = window[v+'CancelAnimationFrame']||window[v+'CancelRequestAnimationFrame'];
}
}
var clsMutationObserver = window.MutationObserver || window.WebKitMutationObserver || false;
var _globaloptions ={
zindex:"auto",cursoropacitymin:0,cursoropacitymax:1,cursorcolor:"#424242",cursorwidth:"5px",cursorborder:"1px solid #fff",cursorborderradius:"5px",scrollspeed:60,mousescrollstep:8*3,touchbehavior:false,hwacceleration:true,usetransition:true,boxzoom:false,dblclickzoom:true,gesturezoom:true,grabcursorenabled:true,autohidemode:true,background:"",iframeautoresize:true,cursorminheight:32,preservenativescrolling:true,railoffset:false,bouncescroll:true,spacebarenabled:true,railpadding:{
top:0,right:0,left:0,bottom:0}
,disableoutline:true,horizrailenabled:true,railalign:"right",railvalign:"bottom",enabletranslate3d:true,enablemousewheel:true,enablekeyboard:true,smoothscroll:true,sensitiverail:true,enablemouselockapi:true,// cursormaxheight:false,cursorfixedheight:false,directionlockdeadzone:6,hidecursordelay:400,nativeparentscrolling:true,enablescrollonselection:true,overflowx:true,overflowy:true,cursordragspeed:0.3,rtlmode:false,cursordragontouch:false,oneaxismousemode:"auto"}
var browserdetected = false;
var getBrowserDetection = function(){
if (browserdetected) return browserdetected;
var domtest = document.createElement('DIV');
var d ={
}
;
d.haspointerlock = "pointerLockElement" in document || "mozPointerLockElement" in document || "webkitPointerLockElement" in document;
d.isopera = ("opera" in window);
d.isopera12 = (d.isopera&&("getUserMedia" in navigator));
d.isoperamini = (Object.prototype.toString.call(window.operamini) === "[object OperaMini]");
d.isie = (("all" in document) && ("attachEvent" in domtest) && !d.isopera);
d.isieold = (d.isie && !("msInterpolationMode" in domtest.style));
// IE6 and older d.isie7 = d.isie&&!d.isieold&&(!("documentMode" in document)||(document.documentMode==7));
d.isie8 = d.isie&&("documentMode" in document)&&(document.documentMode==8);
d.isie9 = d.isie&&("performance" in window)&&(document.documentMode>=9);
d.isie10 = d.isie&&("performance" in window)&&(document.documentMode>=10);
d.isie9mobile = /iemobile.9/i.test(navigator.userAgent);
//wp 7.1 mango if (d.isie9mobile) d.isie9 = false;
d.isie7mobile = (!d.isie9mobile&&d.isie7) && /iemobile/i.test(navigator.userAgent);
//wp 7.0 d.ismozilla = ("MozAppearance" in domtest.style);
d.iswebkit = ("WebkitAppearance" in domtest.style);
d.ischrome = ("chrome" in window);
d.ischrome22 = (d.ischrome&&d.haspointerlock);
d.ischrome26 = (d.ischrome&&("transition" in domtest.style));
// issue with transform detection (maintain prefix) d.cantouch = ("ontouchstart" in document.documentElement)||("ontouchstart" in window);
// detection for Chrome Touch Emulation d.hasmstouch = (window.navigator.msPointerEnabled||false);
// IE10+ pointer events d.ismac = /^mac$/i.test(navigator.platform);
d.isios = (d.cantouch && /iphone|ipad|ipod/i.test(navigator.platform));
d.isios4 = ((d.isios)&&!("seal" in Object));
d.isandroid = (/android/i.test(navigator.userAgent));
d.trstyle = false;
d.hastransform = false;
d.hastranslate3d = false;
d.transitionstyle = false;
d.hastransition = false;
d.transitionend = false;
var check = ['transform','msTransform','webkitTransform','MozTransform','OTransform'];
for(var a=0;
a<check.length;
a++){
if (typeof domtest.style[check[a]] != "undefined"){
d.trstyle = check[a];
break;
}
}
d.hastransform = (d.trstyle != false);
if (d.hastransform){
domtest.style[d.trstyle] = "translate3d(1px,2px,3px)";
d.hastranslate3d = /translate3d/.test(domtest.style[d.trstyle]);
}
d.transitionstyle = false;
d.prefixstyle = '';
d.transitionend = false;
var check = ['transition','webkitTransition','MozTransition','OTransition','OTransition','msTransition','KhtmlTransition'];
var prefix = ['','-webkit-','-moz-','-o-','-o','-ms-','-khtml-'];
var evs = ['transitionend','webkitTransitionEnd','transitionend','otransitionend','oTransitionEnd','msTransitionEnd','KhtmlTransitionEnd'];
for(var a=0;
a<check.length;
a++){
if (check[a] in domtest.style){
d.transitionstyle = check[a];
d.prefixstyle = prefix[a];
d.transitionend = evs[a];
break;
}
}
if (d.ischrome26){
// use always prefix d.prefixstyle = prefix[1];
}
d.hastransition = (d.transitionstyle);
function detectCursorGrab(){
var lst = ['-moz-grab','-webkit-grab','grab'];
if ((d.ischrome&&!d.ischrome22)||d.isie) lst=[];
// force setting for IE returns false positive and chrome cursor bug for(var a=0;
a<lst.length;
a++){
var p = lst[a];
domtest.style['cursor']=p;
if (domtest.style['cursor']==p) return p;
}
return 'url(http://www.google.com/intl/en_ALL/mapfiles/openhand.cur),n-resize';
// thank you google for custom cursor!}
d.cursorgrabvalue = detectCursorGrab();
d.hasmousecapture = ("setCapture" in domtest);
d.hasMutationObserver = (clsMutationObserver !== false);
domtest = null;
//memory released browserdetected = d;
return d;
}
var NiceScrollClass = function(myopt,me){
var self = this;
this.version = '3.5.0 BETA5';
this.name = 'nicescroll';
this.me = me;
this.opt ={
doc:$("body"),win:false}
;
$.extend(this.opt,_globaloptions);
// Options for internal use this.opt.snapbackspeed = 80;
if (myopt||false){
for(var a in self.opt){
if (typeof myopt[a] != "undefined") self.opt[a] = myopt[a];
}
}
this.doc = self.opt.doc;
this.iddoc = (this.doc&&this.doc[0])?this.doc[0].id||'':'';
this.ispage = /BODY|HTML/.test((self.opt.win)?self.opt.win[0].nodeName:this.doc[0].nodeName);
this.haswrapper = (self.opt.win!==false);
this.win = self.opt.win||(this.ispage?$(window):this.doc);
this.docscroll = (this.ispage&&!this.haswrapper)?$(window):this.win;
this.body = $("body");
this.viewport = false;
this.isfixed = false;
this.iframe = false;
this.isiframe = ((this.doc[0].nodeName == 'IFRAME') && (this.win[0].nodeName == 'IFRAME'));
this.istextarea = (this.win[0].nodeName == 'TEXTAREA');
this.forcescreen = false;
//force to use screen position on events this.canshowonmouseevent = (self.opt.autohidemode!="scroll");
// Events jump table this.onmousedown = false;
this.onmouseup = false;
this.onmousemove = false;
this.onmousewheel = false;
this.onkeypress = false;
this.ongesturezoom = false;
this.onclick = false;
// Nicescroll custom events this.onscrollstart = false;
this.onscrollend = false;
this.onscrollcancel = false;
this.onzoomin = false;
this.onzoomout = false;
// Let's start! this.view = false;
this.page = false;
this.scroll ={
x:0,y:0}
;
this.scrollratio ={
x:0,y:0}
;
this.cursorheight = 20;
this.scrollvaluemax = 0;
this.checkrtlmode = false;
this.scrollrunning = false;
this.scrollmom = false;
this.observer = false;
this.observerremover = false;
// observer on parent for remove detection do{
this.id = "ascrail"+(ascrailcounter++);
}
while (document.getElementById(this.id));
this.rail = false;
this.cursor = false;
this.cursorfreezed = false;
this.selectiondrag = false;
this.zoom = false;
this.zoomactive = false;
this.hasfocus = false;
this.hasmousefocus = false;
this.visibility = true;
this.locked = false;
this.hidden = false;
// rails always hidden this.cursoractive = true;
// user can interact with cursors this.overflowx = self.opt.overflowx;
this.overflowy = self.opt.overflowy;
this.nativescrollingarea = false;
this.checkarea = 0;
this.events = [];
// event list for unbind this.saved ={
}
;
this.delaylist ={
}
;
this.synclist ={
}
;
this.lastdeltax = 0;
this.lastdeltay = 0;
this.detected = getBrowserDetection();
var cap = $.extend({
}
,this.detected);
this.canhwscroll = (cap.hastransform&&self.opt.hwacceleration);
this.ishwscroll = (this.canhwscroll&&self.haswrapper);
this.istouchcapable = false;
// desktop devices with touch screen support//## Check Chrome desktop with touch support if (cap.cantouch&&cap.ischrome&&!cap.isios&&!cap.isandroid){
this.istouchcapable = true;
cap.cantouch = false;
// parse normal desktop events}
//## Firefox 18 nightly build (desktop) false positive (or desktop with touch support) if (cap.cantouch&&cap.ismozilla&&!cap.isios&&!cap.isandroid){
this.istouchcapable = true;
cap.cantouch = false;
// parse normal desktop events}
//## disable MouseLock API on user request if (!self.opt.enablemouselockapi){
cap.hasmousecapture = false;
cap.haspointerlock = false;
}
this.delayed = function(name,fn,tm,lazy){
var dd = self.delaylist[name];
var nw = (new Date()).getTime();
if (!lazy&&dd&&dd.tt) return false;
if (dd&&dd.tt) clearTimeout(dd.tt);
if (dd&&dd.last+tm>nw&&!dd.tt){
self.delaylist[name] ={
last:nw+tm,tt:setTimeout(function(){
self.delaylist[name].tt=0;
fn.call();
}
,tm)}
}
else if (!dd||!dd.tt){
self.delaylist[name] ={
last:nw,tt:0}
setTimeout(function(){
fn.call();
}
,0);
}
}
;
this.debounced = function(name,fn,tm){
var dd = self.delaylist[name];
var nw = (new Date()).getTime();
self.delaylist[name] = fn;
if (!dd){
setTimeout(function(){
var fn=self.delaylist[name];
self.delaylist[name]=false;
fn.call();
}
,tm);
}
}
this.synched = function(name,fn){
function requestSync(){
if (self.onsync) return;
setAnimationFrame(function(){
self.onsync = false;
for(name in self.synclist){
var fn = self.synclist[name];
if (fn) fn.call(self);
self.synclist[name] = false;
}
}
);
self.onsync = true;
}
;
self.synclist[name] = fn;
requestSync();
return name;
}
;
this.unsynched = function(name){
if (self.synclist[name]) self.synclist[name] = false;
}
this.css = function(el,pars){
// save & set for(var n in pars){
self.saved.css.push([el,n,el.css(n)]);
el.css(n,pars[n]);
}
}
;
this.scrollTop = function(val){
return (typeof val == "undefined") ? self.getScrollTop():self.setScrollTop(val);
}
;
this.scrollLeft = function(val){
return (typeof val == "undefined") ? self.getScrollLeft():self.setScrollLeft(val);
}
;
// derived by by Dan Pupius www.pupius.net BezierClass = function(st,ed,spd,p1,p2,p3,p4){
this.st = st;
this.ed = ed;
this.spd = spd;
this.p1 = p1||0;
this.p2 = p2||1;
this.p3 = p3||0;
this.p4 = p4||1;
this.ts = (new Date()).getTime();
this.df = this.ed-this.st;
}
;
BezierClass.prototype ={
B2:function(t){
return 3*t*t*(1-t)}
,B3:function(t){
return 3*t*(1-t)*(1-t)}
,B4:function(t){
return (1-t)*(1-t)*(1-t)}
,getNow:function(){
var nw = (new Date()).getTime();
var pc = 1-((nw-this.ts)/this.spd);
var bz = this.B2(pc) + this.B3(pc) + this.B4(pc);
return (pc<0) ? this.ed:this.st+Math.round(this.df*bz);
}
,update:function(ed,spd){
this.st = this.getNow();
this.ed = ed;
this.spd = spd;
this.ts = (new Date()).getTime();
this.df = this.ed-this.st;
return this;
}
}
;
if (this.ishwscroll){
// hw accelerated scroll this.doc.translate ={
x:0,y:0,tx:"0px",ty:"0px"}
;
//this one can help to enable hw accel on ios6 http://indiegamr.com/ios6-html-hardware-acceleration-changes-and-how-to-fix-them/ if (cap.hastranslate3d&&cap.isios) this.doc.css("-webkit-backface-visibility","hidden");
// prevent flickering http://stackoverflow.com/questions/3461441/ //derived from http://stackoverflow.com/questions/11236090/ function getMatrixValues(){
var tr = self.doc.css(cap.trstyle);
if (tr&&(tr.substr(0,6)=="matrix")){
return tr.replace(/^.*\((.*)\)$/g,"$1").replace(/px/g,'').split(/,+/);
}
return false;
}
this.getScrollTop = function(last){
if (!last){
var mtx = getMatrixValues();
if (mtx) return (mtx.length==16) ? -mtx[13]:-mtx[5];
//matrix3d 16 on IE10 if (self.timerscroll&&self.timerscroll.bz) return self.timerscroll.bz.getNow();
}
return self.doc.translate.y;
}
;
this.getScrollLeft = function(last){
if (!last){
var mtx = getMatrixValues();
if (mtx) return (mtx.length==16) ? -mtx[12]:-mtx[4];
//matrix3d 16 on IE10 if (self.timerscroll&&self.timerscroll.bh) return self.timerscroll.bh.getNow();
}
return self.doc.translate.x;
}
;
if (document.createEvent){
this.notifyScrollEvent = function(el){
var e = document.createEvent("UIEvents");
e.initUIEvent("scroll",false,true,window,1);
el.dispatchEvent(e);
}
;
}
else if (document.fireEvent){
this.notifyScrollEvent = function(el){
var e = document.createEventObject();
el.fireEvent("onscroll");
e.cancelBubble = true;
}
;
}
else{
this.notifyScrollEvent = function(el,add){
}
;
//NOPE}
if (cap.hastranslate3d&&self.opt.enabletranslate3d){
this.setScrollTop = function(val,silent){
self.doc.translate.y = val;
self.doc.translate.ty = (val*-1)+"px";
self.doc.css(cap.trstyle,"translate3d("+self.doc.translate.tx+","+self.doc.translate.ty+",0px)");
if (!silent) self.notifyScrollEvent(self.win[0]);
}
;
this.setScrollLeft = function(val,silent){
self.doc.translate.x = val;
self.doc.translate.tx = (val*-1)+"px";
self.doc.css(cap.trstyle,"translate3d("+self.doc.translate.tx+","+self.doc.translate.ty+",0px)");
if (!silent) self.notifyScrollEvent(self.win[0]);
}
;
}
else{
this.setScrollTop = function(val,silent){
self.doc.translate.y = val;
self.doc.translate.ty = (val*-1)+"px";
self.doc.css(cap.trstyle,"translate("+self.doc.translate.tx+","+self.doc.translate.ty+")");
if (!silent) self.notifyScrollEvent(self.win[0]);
}
;
this.setScrollLeft = function(val,silent){
self.doc.translate.x = val;
self.doc.translate.tx = (val*-1)+"px";
self.doc.css(cap.trstyle,"translate("+self.doc.translate.tx+","+self.doc.translate.ty+")");
if (!silent) self.notifyScrollEvent(self.win[0]);
}
;
}
}
else{
// native scroll this.getScrollTop = function(){
return self.docscroll.scrollTop();
}
;
this.setScrollTop = function(val){
return self.docscroll.scrollTop(val);
}
;
this.getScrollLeft = function(){
return self.docscroll.scrollLeft();
}
;
this.setScrollLeft = function(val){
return self.docscroll.scrollLeft(val);
}
;
}
this.getTarget = function(e){
if (!e) return false;
if (e.target) return e.target;
if (e.srcElement) return e.srcElement;
return false;
}
;
this.hasParent = function(e,id){
if (!e) return false;
var el = e.target||e.srcElement||e||false;
while (el && el.id != id){
el = el.parentNode||false;
}
return (el!==false);
}
;
function getZIndex(){
var dom = self.win;
if ("zIndex" in dom) return dom.zIndex();
// use jQuery UI method when available while (dom.length>0){
if (dom[0].nodeType==9) return false;
var zi = dom.css('zIndex');
if (!isNaN(zi)&&zi!=0) return parseInt(zi);
dom = dom.parent();
}
return false;
}
;
//inspired by http://forum.jquery.com/topic/width-includes-border-width-when-set-to-thin-medium-thick-in-ie var _convertBorderWidth ={
"thin":1,"medium":3,"thick":5}
;
function getWidthToPixel(dom,prop,chkheight){
var wd = dom.css(prop);
var px = parseFloat(wd);
if (isNaN(px)){
px = _convertBorderWidth[wd]||0;
var brd = (px==3) ? ((chkheight)?(self.win.outerHeight() - self.win.innerHeight()):(self.win.outerWidth() - self.win.innerWidth())):1;
//DON'T TRUST CSS if (self.isie8&&px) px+=1;
return (brd) ? px:0;
}
return px;
}
;
this.getOffset = function(){
if (self.isfixed) return{
top:parseFloat(self.win.css('top')),left:parseFloat(self.win.css('left'))}
;
if (!self.viewport) return self.win.offset();
var ww = self.win.offset();
var vp = self.viewport.offset();
return{
top:ww.top-vp.top+self.viewport.scrollTop(),left:ww.left-vp.left+self.viewport.scrollLeft()}
;
}
;
this.updateScrollBar = function(len){
if (self.ishwscroll){
self.rail.css({
height:self.win.innerHeight()}
);
if (self.railh) self.railh.css({
width:self.win.innerWidth()}
);
}
else{
var wpos = self.getOffset();
var pos ={
top:wpos.top,left:wpos.left}
;
pos.top+= getWidthToPixel(self.win,'border-top-width',true);
var brd = (self.win.outerWidth() - self.win.innerWidth())/2;
pos.left+= (self.rail.align) ? self.win.outerWidth() - getWidthToPixel(self.win,'border-right-width') - self.rail.width:getWidthToPixel(self.win,'border-left-width');
var off = self.opt.railoffset;
if (off){
if (off.top) pos.top+=off.top;
if (self.rail.align&&off.left) pos.left+=off.left;
}
if (!self.locked) self.rail.css({
top:pos.top,left:pos.left,height:(len)?len.h:self.win.innerHeight()}
);
if (self.zoom){
self.zoom.css({
top:pos.top+1,left:(self.rail.align==1) ? pos.left-20:pos.left+self.rail.width+4}
);
}
if (self.railh&&!self.locked){
var pos ={
top:wpos.top,left:wpos.left}
;
var y = (self.railh.align) ? pos.top + getWidthToPixel(self.win,'border-top-width',true) + self.win.innerHeight() - self.railh.height:pos.top + getWidthToPixel(self.win,'border-top-width',true);
var x = pos.left + getWidthToPixel(self.win,'border-left-width');
self.railh.css({
top:y,left:x,width:self.railh.width}
);
}
}
}
;
this.doRailClick = function(e,dbl,hr){
var fn,pg,cur,pos;
// if (self.rail.drag&&self.rail.drag.pt!=1) return;
if (self.locked) return;
// if (self.rail.drag) return;
// self.cancelScroll();
self.cancelEvent(e);
if (dbl){
fn = (hr) ? self.doScrollLeft:self.doScrollTop;
cur = (hr) ? ((e.pageX - self.railh.offset().left - (self.cursorwidth/2)) * self.scrollratio.x):((e.pageY - self.rail.offset().top - (self.cursorheight/2)) * self.scrollratio.y);
fn(cur);
}
else{
// console.log(e.pageY);
fn = (hr) ? self.doScrollLeftBy:self.doScrollBy;
cur = (hr) ? self.scroll.x:self.scroll.y;
pos = (hr) ? e.pageX - self.railh.offset().left:e.pageY - self.rail.offset().top;
pg = (hr) ? self.view.w:self.view.h;
(cur>=pos) ? fn(pg):fn(-pg);
}
}
self.hasanimationframe = (setAnimationFrame);
self.hascancelanimationframe = (clearAnimationFrame);
if (!self.hasanimationframe){
setAnimationFrame=function(fn){
return setTimeout(fn,15-Math.floor((+new Date)/1000)%16)}
;
// 1000/60)}
;
clearAnimationFrame=clearInterval;
}
else if (!self.hascancelanimationframe) clearAnimationFrame=function(){
self.cancelAnimationFrame=true}
;
this.init = function(){
self.saved.css = [];
if (cap.isie7mobile) return true;
// SORRY,DO NOT WORK! if (cap.isoperamini) return true;
// SORRY,DO NOT WORK! if (cap.hasmstouch) self.css((self.ispage)?$("html"):self.win,{
'-ms-touch-action':'none'}
);
self.zindex = "auto";
if (!self.ispage&&self.opt.zindex=="auto"){
self.zindex = getZIndex()||"auto";
}
else{
self.zindex = self.opt.zindex;
}
if (!self.ispage&&self.zindex!="auto"){
if (self.zindex>globalmaxzindex) globalmaxzindex=self.zindex;
}
if (self.isie&&self.zindex==0&&self.opt.zindex=="auto"){
// fix IE auto == 0 self.zindex="auto";
}
/* self.ispage = true;
self.haswrapper = true;
// self.win = $(window);
self.docscroll = $("body");
// self.doc = $("body");
*/
if (!self.ispage || (!cap.cantouch && !cap.isieold && !cap.isie9mobile)){
var cont = self.docscroll;
if (self.ispage) cont = (self.haswrapper)?self.win:self.doc;
if (!cap.isie9mobile) self.css(cont,{
'overflow-y':'hidden'}
);
if (self.ispage&&cap.isie7){
if (self.doc[0].nodeName=='BODY') self.css($("html"),{
'overflow-y':'hidden'}
);
//IE7 double scrollbar issue else if (self.doc[0].nodeName=='HTML') self.css($("body"),{
'overflow-y':'hidden'}
);
//IE7 double scrollbar issue}
if (cap.isios&&!self.ispage&&!self.haswrapper) self.css($("body"),{
"-webkit-overflow-scrolling":"touch"}
);
//force hw acceleration var cursor = $(document.createElement('div'));
cursor.css({
position:"relative",top:0,"float":"right",width:self.opt.cursorwidth,height:"0px",'background-color':self.opt.cursorcolor,border:self.opt.cursorborder,'background-clip':'padding-box','-webkit-border-radius':self.opt.cursorborderradius,'-moz-border-radius':self.opt.cursorborderradius,'border-radius':self.opt.cursorborderradius}
);
cursor.hborder = parseFloat(cursor.outerHeight() - cursor.innerHeight());
self.cursor = cursor;
var rail = $(document.createElement('div'));
rail.attr('id',self.id);
rail.addClass('nicescroll-rails');
var v,a,kp = ["left","right"];
//"top","bottom" for(var n in kp){
a=kp[n];
v = self.opt.railpadding[a];
(v) ? rail.css("padding-"+a,v+"px"):self.opt.railpadding[a] = 0;
}
rail.append(cursor);
rail.width = Math.max(parseFloat(self.opt.cursorwidth),cursor.outerWidth()) + self.opt.railpadding['left'] + self.opt.railpadding['right'];
rail.css({
width:rail.width+"px",'zIndex':self.zindex,"background":self.opt.background,cursor:"default"}
);
rail.visibility = true;
rail.scrollable = true;
rail.align = (self.opt.railalign=="left") ? 0:1;
self.rail = rail;
self.rail.drag = false;
var zoom = false;
if (self.opt.boxzoom&&!self.ispage&&!cap.isieold){
zoom = document.createElement('div');
self.bind(zoom,"click",self.doZoom);
self.zoom = $(zoom);
self.zoom.css({
"cursor":"pointer",'z-index':self.zindex,'backgroundImage':'url('+scriptpath+'zoomico.png)','height':18,'width':18,'backgroundPosition':'0px 0px'}
);
if (self.opt.dblclickzoom) self.bind(self.win,"dblclick",self.doZoom);
if (cap.cantouch&&self.opt.gesturezoom){
self.ongesturezoom = function(e){
if (e.scale>1.5) self.doZoomIn(e);
if (e.scale<0.8) self.doZoomOut(e);
return self.cancelEvent(e);
}
;
self.bind(self.win,"gestureend",self.ongesturezoom);
}
}
// init HORIZ self.railh = false;
if (self.opt.horizrailenabled){
self.css(cont,{
'overflow-x':'hidden'}
);
var cursor = $(document.createElement('div'));
cursor.css({
position:"relative",top:0,height:self.opt.cursorwidth,width:"0px",'background-color':self.opt.cursorcolor,border:self.opt.cursorborder,'background-clip':'padding-box','-webkit-border-radius':self.opt.cursorborderradius,'-moz-border-radius':self.opt.cursorborderradius,'border-radius':self.opt.cursorborderradius}
);
cursor.wborder = parseFloat(cursor.outerWidth() - cursor.innerWidth());
self.cursorh = cursor;
var railh = $(document.createElement('div'));
railh.attr('id',self.id+'-hr');
railh.addClass('nicescroll-rails');
railh.height = Math.max(parseFloat(self.opt.cursorwidth),cursor.outerHeight());
railh.css({
height:railh.height+"px",'zIndex':self.zindex,"background":self.opt.background}
);
railh.append(cursor);
railh.visibility = true;
railh.scrollable = true;
railh.align = (self.opt.railvalign=="top") ? 0:1;
self.railh = railh;
self.railh.drag = false;
}
// if (self.ispage){
rail.css({
position:"fixed",top:"0px",height:"100%"}
);
(rail.align) ? rail.css({
right:"0px"}
):rail.css({
left:"0px"}
);
self.body.append(rail);
if (self.railh){
railh.css({
position:"fixed",left:"0px",width:"100%"}
);
(railh.align) ? railh.css({
bottom:"0px"}
):railh.css({
top:"0px"}
);
self.body.append(railh);
}
}
else{
if (self.ishwscroll){
if (self.win.css('position')=='static') self.css(self.win,{
'position':'relative'}
);
var bd = (self.win[0].nodeName == 'HTML') ? self.body:self.win;
if (self.zoom){
self.zoom.css({
position:"absolute",top:1,right:0,"margin-right":rail.width+4}
);
bd.append(self.zoom);
}
rail.css({
position:"absolute",top:0}
);
(rail.align) ? rail.css({
right:0}
):rail.css({
left:0}
);
bd.append(rail);
if (railh){
railh.css({
position:"absolute",left:0,bottom:0}
);
(railh.align) ? railh.css({
bottom:0}
):railh.css({
top:0}
);
bd.append(railh);
}
}
else{
self.isfixed = (self.win.css("position")=="fixed");
var rlpos = (self.isfixed) ? "fixed":"absolute";
if (!self.isfixed) self.viewport = self.getViewport(self.win[0]);
if (self.viewport){
self.body = self.viewport;
if ((/relative|absolute/.test(self.viewport.css("position")))==false) self.css(self.viewport,{
"position":"relative"}
);
}
rail.css({
position:rlpos}
);
if (self.zoom) self.zoom.css({
position:rlpos}
);
self.updateScrollBar();
self.body.append(rail);
if (self.zoom) self.body.append(self.zoom);
if (self.railh){
railh.css({
position:rlpos}
);
self.body.append(railh);
}
}
if (cap.isios) self.css(self.win,{
'-webkit-tap-highlight-color':'rgba(0,0,0,0)','-webkit-touch-callout':'none'}
);
// prevent grey layer on clickif (cap.isie&&self.opt.disableoutline) self.win.attr("hideFocus","true");
// IE,prevent dotted rectangle on focused divif (cap.iswebkit&&self.opt.disableoutline) self.win.css({
"outline":"none"}
);
// if (cap.isopera&&self.opt.disableoutline) self.win.css({
"outline":"0"}
);
// Opera to test [TODO]}
if (self.opt.autohidemode===false){
self.autohidedom = false;
self.rail.css({
opacity:self.opt.cursoropacitymax}
);
if (self.railh) self.railh.css({
opacity:self.opt.cursoropacitymax}
);
}
else if (self.opt.autohidemode===true){
self.autohidedom = $().add(self.rail);
if (cap.isie8) self.autohidedom=self.autohidedom.add(self.cursor);
if (self.railh) self.autohidedom=self.autohidedom.add(self.railh);
if (self.railh&&cap.isie8) self.autohidedom=self.autohidedom.add(self.cursorh);
}
else if (self.opt.autohidemode=="scroll"){
self.autohidedom = $().add(self.rail);
if (self.railh) self.autohidedom=self.autohidedom.add(self.railh);
}
else if (self.opt.autohidemode=="cursor"){
self.autohidedom = $().add(self.cursor);
if (self.railh) self.autohidedom=self.autohidedom.add(self.cursorh);
}
else if (self.opt.autohidemode=="hidden"){
self.autohidedom = false;
self.hide();
self.locked = false;
}
if (cap.isie9mobile){
self.scrollmom = new ScrollMomentumClass2D(self);
/* var trace = function(msg){
var db = $("#debug");
if (isNaN(msg)&&(typeof msg != "string")){
var x = [];
for(var a in msg){
x.push(a+":"+msg[a]);
}
msg ="{
"+x.join(",")+"}
";
}
if (db.children().length>0){
db.children().eq(0).before("<div>"+msg+"</div>");
}
else{
db.append("<div>"+msg+"</div>");
}
}
window.onerror = function(msg,url,ln){
trace("ERR:"+msg+" at "+ln);
}
*/
self.onmangotouch = function(e){
var py = self.getScrollTop();
var px = self.getScrollLeft();
if ((py == self.scrollmom.lastscrolly)&&(px == self.scrollmom.lastscrollx)) return true;
// $("#debug").html('DRAG:'+py);
var dfy = py-self.mangotouch.sy;
var dfx = px-self.mangotouch.sx;
var df = Math.round(Math.sqrt(Math.pow(dfx,2)+Math.pow(dfy,2)));
if (df==0) return;
var dry = (dfy<0)?-1:1;
var drx = (dfx<0)?-1:1;
var tm = +new Date();
if (self.mangotouch.lazy) clearTimeout(self.mangotouch.lazy);
if (((tm-self.mangotouch.tm)>80)||(self.mangotouch.dry!=dry)||(self.mangotouch.drx!=drx)){
// trace('RESET+'+(tm-self.mangotouch.tm));
self.scrollmom.stop();
self.scrollmom.reset(px,py);
self.mangotouch.sy = py;
self.mangotouch.ly = py;
self.mangotouch.sx = px;
self.mangotouch.lx = px;
self.mangotouch.dry = dry;
self.mangotouch.drx = drx;
self.mangotouch.tm = tm;
}
else{
self.scrollmom.stop();
self.scrollmom.update(self.mangotouch.sx-dfx,self.mangotouch.sy-dfy);
var gap = tm - self.mangotouch.tm;
self.mangotouch.tm = tm;
// trace('MOVE:'+df+" - "+gap);
var ds = Math.max(Math.abs(self.mangotouch.ly-py),Math.abs(self.mangotouch.lx-px));
self.mangotouch.ly = py;
self.mangotouch.lx = px;
if (ds>2){
self.mangotouch.lazy = setTimeout(function(){
// trace('END:'+ds+'+'+gap);
self.mangotouch.lazy = false;
self.mangotouch.dry = 0;
self.mangotouch.drx = 0;
self.mangotouch.tm = 0;
self.scrollmom.doMomentum(30);
}
,100);
}
}
}
var top = self.getScrollTop();
var lef = self.getScrollLeft();
self.mangotouch ={
sy:top,ly:top,dry:0,sx:lef,lx:lef,drx:0,lazy:false,tm:0}
;
self.bind(self.docscroll,"scroll",self.onmangotouch);
}
else{
if (cap.cantouch||self.istouchcapable||self.opt.touchbehavior||cap.hasmstouch){
self.scrollmom = new ScrollMomentumClass2D(self);
self.ontouchstart = function(e){
if (e.pointerType&&e.pointerType!=2) return false;
if (!self.locked){
if (cap.hasmstouch){
var tg = (e.target) ? e.target:false;
while (tg){
var nc = $(tg).getNiceScroll();
if ((nc.length>0)&&(nc[0].me == self.me)) break;
if (nc.length>0) return false;
if ((tg.nodeName=='DIV')&&(tg.id==self.id)) break;
tg = (tg.parentNode) ? tg.parentNode:false;
}
}
self.cancelScroll();
var tg = self.getTarget(e);
if (tg){
var skp = (/INPUT/i.test(tg.nodeName))&&(/range/i.test(tg.type));
if (skp) return self.stopPropagation(e);
}
if (!("clientX" in e) && ("changedTouches" in e)){
e.clientX = e.changedTouches[0].clientX;
e.clientY = e.changedTouches[0].clientY;
}
if (self.forcescreen){
var le = e;
var e ={
"original":(e.original)?e.original:e}
;
e.clientX = le.screenX;
e.clientY = le.screenY;
}
self.rail.drag ={
x:e.clientX,y:e.clientY,sx:self.scroll.x,sy:self.scroll.y,st:self.getScrollTop(),sl:self.getScrollLeft(),pt:2,dl:false}
;
if (self.ispage||!self.opt.directionlockdeadzone){
self.rail.drag.dl = "f";
}
else{
var view ={
w:$(window).width(),h:$(window).height()}
;
var page ={
w:Math.max(document.body.scrollWidth,document.documentElement.scrollWidth),h:Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}
var maxh = Math.max(0,page.h - view.h);
var maxw = Math.max(0,page.w - view.w);
if (!self.rail.scrollable&&self.railh.scrollable) self.rail.drag.ck = (maxh>0) ? "v":false;
else if (self.rail.scrollable&&!self.railh.scrollable) self.rail.drag.ck = (maxw>0) ? "h":false;
else self.rail.drag.ck = false;
if (!self.rail.drag.ck) self.rail.drag.dl = "f";
}
if (self.opt.touchbehavior&&self.isiframe&&cap.isie){
var wp = self.win.position();
self.rail.drag.x+=wp.left;
self.rail.drag.y+=wp.top;
}
self.hasmoving = false;
self.lastmouseup = false;
self.scrollmom.reset(e.clientX,e.clientY);
if (!cap.cantouch&&!this.istouchcapable&&!cap.hasmstouch){
var ip = (tg)?/INPUT|SELECT|TEXTAREA/i.test(tg.nodeName):false;
if (!ip){
if (!self.ispage&&cap.hasmousecapture) tg.setCapture();
// return self.cancelEvent(e);
return (self.opt.touchbehavior) ? self.cancelEvent(e):self.stopPropagation(e);
}
if (/SUBMIT|CANCEL|BUTTON/i.test($(tg).attr('type'))){
pc ={
"tg":tg,"click":false}
;
self.preventclick = pc;
}
}
}
}
;
self.ontouchend = function(e){
if (e.pointerType&&e.pointerType!=2) return false;
if (self.rail.drag&&(self.rail.drag.pt==2)){
self.scrollmom.doMomentum();
self.rail.drag = false;
if (self.hasmoving){
self.hasmoving = false;
self.lastmouseup = true;
self.hideCursor();
if (cap.hasmousecapture) document.releaseCapture();
if (!cap.cantouch) return self.cancelEvent(e);
}
}
}
;
var moveneedoffset = (self.opt.touchbehavior&&self.isiframe&&!cap.hasmousecapture);
self.ontouchmove = function(e,byiframe){
if (e.pointerType&&e.pointerType!=2) return false;
if (self.rail.drag&&(self.rail.drag.pt==2)){
if (cap.cantouch&&(typeof e.original == "undefined")) return true;
// prevent ios "ghost" events by clickable elements self.hasmoving = true;
if (self.preventclick&&!self.preventclick.click){
self.preventclick.click = self.preventclick.tg.onclick||false;
self.preventclick.tg.onclick = self.onpreventclick;
}
var ev = $.extend({
"original":e}
,e);
e = ev;
if (("changedTouches" in e)){
e.clientX = e.changedTouches[0].clientX;
e.clientY = e.changedTouches[0].clientY;
}
if (self.forcescreen){
var le = e;
var e ={
"original":(e.original)?e.original:e}
;
e.clientX = le.screenX;
e.clientY = le.screenY;
}
var ofx = ofy = 0;
if (moveneedoffset&&!byiframe){
var wp = self.win.position();
ofx=-wp.left;
ofy=-wp.top;
}
var fy = e.clientY + ofy;
var my = (fy-self.rail.drag.y);
var fx = e.clientX + ofx;
var mx = (fx-self.rail.drag.x);
var ny = self.rail.drag.st-my;
if (self.ishwscroll&&self.opt.bouncescroll){
if (ny<0){
ny = Math.round(ny/2);
// fy = 0;
}
else if (ny>self.page.maxh){
ny = self.page.maxh+Math.round((ny-self.page.maxh)/2);
// fy = 0;
}
}
else{
if (ny<0){
ny=0;
fy=0}
if (ny>self.page.maxh){
ny=self.page.maxh;
fy=0}
}
if (self.railh&&self.railh.scrollable){
var nx = self.rail.drag.sl-mx;
if (self.ishwscroll&&self.opt.bouncescroll){
if (nx<0){
nx = Math.round(nx/2);
// fx = 0;
}
else if (nx>self.page.maxw){
nx = self.page.maxw+Math.round((nx-self.page.maxw)/2);
// fx = 0;
}
}
else{
if (nx<0){
nx=0;
fx=0}
if (nx>self.page.maxw){
nx=self.page.maxw;
fx=0}
}
}
var grabbed = false;
if (self.rail.drag.dl){
grabbed = true;
if (self.rail.drag.dl=="v") nx = self.rail.drag.sl;
else if (self.rail.drag.dl=="h") ny = self.rail.drag.st;
}
else{
var ay = Math.abs(my);
var ax = Math.abs(mx);
var dz = self.opt.directionlockdeadzone;
if (self.rail.drag.ck=="v"){
if (ay>dz&&(ax<=(ay*0.3))){
self.rail.drag = false;
return true;
}
else if (ax>dz){
self.rail.drag.dl="f";
$("body").scrollTop($("body").scrollTop());
// stop iOS native scrolling (when active javascript has blocked)}
}
else if (self.rail.drag.ck=="h"){
if (ax>dz&&(ay<=(ax*0.3))){
self.rail.drag = false;
return true;
}
else if (ay>dz){
self.rail.drag.dl="f";
$("body").scrollLeft($("body").scrollLeft());
// stop iOS native scrolling (when active javascript has blocked)}
}
}
self.synched("touchmove",function(){
if (self.rail.drag&&(self.rail.drag.pt==2)){
if (self.prepareTransition) self.prepareTransition(0);
if (self.rail.scrollable) self.setScrollTop(ny);
self.scrollmom.update(fx,fy);
if (self.railh&&self.railh.scrollable){
self.setScrollLeft(nx);
self.showCursor(ny,nx);
}
else{
self.showCursor(ny);
}
if (cap.isie10) document.selection.clear();
}
}
);
if (cap.ischrome&&self.istouchcapable) grabbed=false;
//chrome touch emulation doesn't like! if (grabbed) return self.cancelEvent(e);
}
}
;
}
self.onmousedown = function(e,hronly){
if (self.rail.drag&&self.rail.drag.pt!=1) return;
if (self.locked) return self.cancelEvent(e);
self.cancelScroll();
self.rail.drag ={
x:e.clientX,y:e.clientY,sx:self.scroll.x,sy:self.scroll.y,pt:1,hr:(!!hronly)}
;
var tg = self.getTarget(e);
if (!self.ispage&&cap.hasmousecapture) tg.setCapture();
if (self.isiframe&&!cap.hasmousecapture){
self.saved["csspointerevents"] = self.doc.css("pointer-events");
self.css(self.doc,{
"pointer-events":"none"}
);
}
return self.cancelEvent(e);
}
;
self.onmouseup = function(e){
if (self.rail.drag){
if (cap.hasmousecapture) document.releaseCapture();
if (self.isiframe&&!cap.hasmousecapture) self.doc.css("pointer-events",self.saved["csspointerevents"]);
if(self.rail.drag.pt!=1)return;
self.rail.drag = false;
//if (!self.rail.active) self.hideCursor();
return self.cancelEvent(e);
}
}
;
self.onmousemove = function(e){
if (self.rail.drag){
if(self.rail.drag.pt!=1)return;
if (cap.ischrome&&e.which==0) return self.onmouseup(e);
self.cursorfreezed = true;
if (self.rail.drag.hr){
self.scroll.x = self.rail.drag.sx + (e.clientX-self.rail.drag.x);
if (self.scroll.x<0) self.scroll.x=0;
var mw = self.scrollvaluemaxw;
if (self.scroll.x>mw) self.scroll.x=mw;
}
else{
self.scroll.y = self.rail.drag.sy + (e.clientY-self.rail.drag.y);
if (self.scroll.y<0) self.scroll.y=0;
var my = self.scrollvaluemax;
if (self.scroll.y>my) self.scroll.y=my;
}
self.synched('mousemove',function(){
if (self.rail.drag&&(self.rail.drag.pt==1)){
self.showCursor();
if (self.rail.drag.hr) self.doScrollLeft(Math.round(self.scroll.x*self.scrollratio.x),self.opt.cursordragspeed);
else self.doScrollTop(Math.round(self.scroll.y*self.scrollratio.y),self.opt.cursordragspeed);
}
}
);
return self.cancelEvent(e);
}
/* else{
self.checkarea = true;
}
*/
}
;
if (cap.cantouch||self.opt.touchbehavior){
self.onpreventclick = function(e){
if (self.preventclick){
self.preventclick.tg.onclick = self.preventclick.click;
self.preventclick = false;
return self.cancelEvent(e);
}
}
// self.onmousedown = self.ontouchstart;
// self.onmouseup = self.ontouchend;
// self.onmousemove = self.ontouchmove;
self.bind(self.win,"mousedown",self.ontouchstart);
// control content dragging self.onclick = (cap.isios) ? false:function(e){
if (self.lastmouseup){
self.lastmouseup = false;
return self.cancelEvent(e);
}
else{
return true;
}
}
;
if (self.opt.grabcursorenabled&&cap.cursorgrabvalue){
self.css((self.ispage)?self.doc:self.win,{
'cursor':cap.cursorgrabvalue}
);
self.css(self.rail,{
'cursor':cap.cursorgrabvalue}
);
}
}
else{
function checkSelectionScroll(e){
if (!self.selectiondrag) return;
if (e){
var ww = self.win.outerHeight();
var df = (e.pageY - self.selectiondrag.top);
if (df>0&&df<ww) df=0;
if (df>=ww) df-=ww;
self.selectiondrag.df = df;
}
if (self.selectiondrag.df==0) return;
var rt = -Math.floor(self.selectiondrag.df/6)*2;
// self.doScrollTop(self.getScrollTop(true)+rt);
self.doScrollBy(rt);
self.debounced("doselectionscroll",function(){
checkSelectionScroll()}
,50);
}
if ("getSelection" in document){
// A grade - Major browsers self.hasTextSelected = function(){
return (document.getSelection().rangeCount>0);
}
}
else if ("selection" in document){
//IE9- self.hasTextSelected = function(){
return (document.selection.type != "None");
}
}
else{
self.hasTextSelected = function(){
// no support return false;
}
}
self.onselectionstart = function(e){
if (self.ispage) return;
self.selectiondrag = self.win.offset();
}
self.onselectionend = function(e){
self.selectiondrag = false;
}
self.onselectiondrag = function(e){
if (!self.selectiondrag) return;
if (self.hasTextSelected()) self.debounced("selectionscroll",function(){
checkSelectionScroll(e)}
,250);
}
}
if (cap.hasmstouch){
self.css(self.rail,{
'-ms-touch-action':'none'}
);
self.css(self.cursor,{
'-ms-touch-action':'none'}
);
self.bind(self.win,"MSPointerDown",self.ontouchstart);
self.bind(document,"MSPointerUp",self.ontouchend);
self.bind(document,"MSPointerMove",self.ontouchmove);
self.bind(self.cursor,"MSGestureHold",function(e){
e.preventDefault()}
);
self.bind(self.cursor,"contextmenu",function(e){
e.preventDefault()}
);
}
if (this.istouchcapable){
//desktop with screen touch enabled self.bind(self.win,"touchstart",self.ontouchstart);
self.bind(document,"touchend",self.ontouchend);
self.bind(document,"touchcancel",self.ontouchend);
self.bind(document,"touchmove",self.ontouchmove);
}
self.bind(self.cursor,"mousedown",self.onmousedown);
self.bind(self.cursor,"mouseup",self.onmouseup);
if (self.railh){
self.bind(self.cursorh,"mousedown",function(e){
self.onmousedown(e,true)}
);
self.bind(self.cursorh,"mouseup",function(e){
if (self.rail.drag&&self.rail.drag.pt==2) return;
self.rail.drag = false;
self.hasmoving = false;
self.hideCursor();
if (cap.hasmousecapture) document.releaseCapture();
return self.cancelEvent(e);
}
);
}
if (self.opt.cursordragontouch||!cap.cantouch&&!self.opt.touchbehavior){
self.rail.css({
"cursor":"default"}
);
self.railh&&self.railh.css({
"cursor":"default"}
);
self.jqbind(self.rail,"mouseenter",function(){
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
}
);
self.jqbind(self.rail,"mouseleave",function(){
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
}
);
if (self.opt.sensitiverail){
self.bind(self.rail,"click",function(e){
self.doRailClick(e,false,false)}
);
self.bind(self.rail,"dblclick",function(e){
self.doRailClick(e,true,false)}
);
self.bind(self.cursor,"click",function(e){
self.cancelEvent(e)}
);
self.bind(self.cursor,"dblclick",function(e){
self.cancelEvent(e)}
);
}
if (self.railh){
self.jqbind(self.railh,"mouseenter",function(){
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
}
);
self.jqbind(self.railh,"mouseleave",function(){
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
}
);
if (self.opt.sensitiverail){
self.bind(self.railh,"click",function(e){
self.doRailClick(e,false,true)}
);
self.bind(self.railh,"dblclick",function(e){
self.doRailClick(e,true,true)}
);
self.bind(self.cursorh,"click",function (e){
self.cancelEvent(e)}
);
self.bind(self.cursorh,"dblclick",function (e){
self.cancelEvent(e)}
);
}
}
}
if (!cap.cantouch&&!self.opt.touchbehavior){
self.bind((cap.hasmousecapture)?self.win:document,"mouseup",self.onmouseup);
self.bind(document,"mousemove",self.onmousemove);
if (self.onclick) self.bind(document,"click",self.onclick);
if (!self.ispage&&self.opt.enablescrollonselection){
self.bind(self.win[0],"mousedown",self.onselectionstart);
self.bind(document,"mouseup",self.onselectionend);
self.bind(self.cursor,"mouseup",self.onselectionend);
if (self.cursorh) self.bind(self.cursorh,"mouseup",self.onselectionend);
self.bind(document,"mousemove",self.onselectiondrag);
}
if (self.zoom){
self.jqbind(self.zoom,"mouseenter",function(){
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
}
);
self.jqbind(self.zoom,"mouseleave",function(){
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
}
);
}
}
else{
self.bind((cap.hasmousecapture)?self.win:document,"mouseup",self.ontouchend);
self.bind(document,"mousemove",self.ontouchmove);
if (self.onclick) self.bind(document,"click",self.onclick);
if (self.opt.cursordragontouch){
self.bind(self.cursor,"mousedown",self.onmousedown);
self.bind(self.cursor,"mousemove",self.onmousemove);
self.cursorh&&self.bind(self.cursorh,"mousedown",self.onmousedown);
self.cursorh&&self.bind(self.cursorh,"mousemove",self.onmousemove);
}
}
if (self.opt.enablemousewheel){
if (!self.isiframe) self.bind((cap.isie&&self.ispage) ? document:self.win /*self.docscroll*/
,"mousewheel",self.onmousewheel);
self.bind(self.rail,"mousewheel",self.onmousewheel);
if (self.railh) self.bind(self.railh,"mousewheel",self.onmousewheelhr);
}
if (!self.ispage&&!cap.cantouch&&!(/HTML|BODY/.test(self.win[0].nodeName))){
if (!self.win.attr("tabindex")) self.win.attr({
"tabindex":tabindexcounter++}
);
self.jqbind(self.win,"focus",function(e){
domfocus = (self.getTarget(e)).id||true;
self.hasfocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
}
);
self.jqbind(self.win,"blur",function(e){
domfocus = false;
self.hasfocus = false;
}
);
self.jqbind(self.win,"mouseenter",function(e){
mousefocus = (self.getTarget(e)).id||true;
self.hasmousefocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
}
);
self.jqbind(self.win,"mouseleave",function(){
mousefocus = false;
self.hasmousefocus = false;
}
);
}
;
}
// !ie9mobile //Thanks to http://www.quirksmode.org !! self.onkeypress = function(e){
if (self.locked&&self.page.maxh==0) return true;
e = (e) ? e:window.e;
var tg = self.getTarget(e);
if (tg&&/INPUT|TEXTAREA|SELECT|OPTION/.test(tg.nodeName)){
var tp = tg.getAttribute('type')||tg.type||false;
if ((!tp)||!(/submit|button|cancel/i.tp)) return true;
}
if (self.hasfocus||(self.hasmousefocus&&!domfocus)||(self.ispage&&!domfocus&&!mousefocus)){
var key = e.keyCode;
if (self.locked&&key!=27) return self.cancelEvent(e);
var ctrl = e.ctrlKey||false;
var shift = e.shiftKey || false;
var ret = false;
switch (key){
case 38:case 63233://safari self.doScrollBy(24*3);
ret = true;
break;
case 40:case 63235://safari self.doScrollBy(-24*3);
ret = true;
break;
case 37:case 63232://safari if (self.railh){
(ctrl) ? self.doScrollLeft(0):self.doScrollLeftBy(24*3);
ret = true;
}
break;
case 39:case 63234://safari if (self.railh){
(ctrl) ? self.doScrollLeft(self.page.maxw):self.doScrollLeftBy(-24*3);
ret = true;
}
break;
case 33:case 63276:// safari self.doScrollBy(self.view.h);
ret = true;
break;
case 34:case 63277:// safari self.doScrollBy(-self.view.h);
ret = true;
break;
case 36:case 63273:// safari (self.railh&&ctrl) ? self.doScrollPos(0,0):self.doScrollTo(0);
ret = true;
break;
case 35:case 63275:// safari (self.railh&&ctrl) ? self.doScrollPos(self.page.maxw,self.page.maxh):self.doScrollTo(self.page.maxh);
ret = true;
break;
case 32:if (self.opt.spacebarenabled){
(shift) ? self.doScrollBy(self.view.h):self.doScrollBy(-self.view.h);
ret = true;
}
break;
case 27:// ESC if (self.zoomactive){
self.doZoom();
ret = true;
}
break;
}
if (ret) return self.cancelEvent(e);
}
}
;
if (self.opt.enablekeyboard) self.bind(document,(cap.isopera&&!cap.isopera12)?"keypress":"keydown",self.onkeypress);
self.bind(window,'resize',self.lazyResize);
self.bind(window,'orientationchange',self.lazyResize);
self.bind(window,"load",self.lazyResize);
if (cap.ischrome&&!self.ispage&&!self.haswrapper){
//chrome void scrollbar bug - it persists in version 26 var tmp=self.win.attr("style");
var ww = parseFloat(self.win.css("width"))+1;
self.win.css('width',ww);
self.synched("chromefix",function(){
self.win.attr("style",tmp)}
);
}
// Trying a cross-browser implementation - good luck! self.onAttributeChange = function(e){
self.lazyResize(250);
}
if (!self.ispage&&!self.haswrapper){
// redesigned MutationObserver for Chrome18+/Firefox14+/iOS6+ with support for:remove div,add/remove content if (clsMutationObserver !== false){
self.observer = new clsMutationObserver(function(mutations){
mutations.forEach(self.onAttributeChange);
}
);
self.observer.observe(self.win[0],{
childList:true,characterData:false,attributes:true,subtree:false}
);
self.observerremover = new clsMutationObserver(function(mutations){
mutations.forEach(function(mo){
if (mo.removedNodes.length>0){
for (var dd in mo.removedNodes){
if (mo.removedNodes[dd]==self.win[0]) return self.remove();
}
}
}
);
}
);
self.observerremover.observe(self.win[0].parentNode,{
childList:true,characterData:false,attributes:false,subtree:false}
);
}
else{
self.bind(self.win,(cap.isie&&!cap.isie9)?"propertychange":"DOMAttrModified",self.onAttributeChange);
if (cap.isie9) self.win[0].attachEvent("onpropertychange",self.onAttributeChange);
//IE9 DOMAttrModified bug self.bind(self.win,"DOMNodeRemoved",function(e){
if (e.target==self.win[0]) self.remove();
}
);
}
}
// if (!self.ispage&&self.opt.boxzoom) self.bind(window,"resize",self.resizeZoom);
if (self.istextarea) self.bind(self.win,"mouseup",self.lazyResize);
self.checkrtlmode = true;
self.lazyResize(30);
}
if (this.doc[0].nodeName == 'IFRAME'){
function oniframeload(e){
self.iframexd = false;
try{
var doc = 'contentDocument' in this ? this.contentDocument:this.contentWindow.document;
var a = doc.domain;
}
catch(e){
self.iframexd = true;
doc=false}
;
if (self.iframexd){
if ("console" in window) console.log('NiceScroll error:policy restriced iframe');
return true;
//cross-domain - I can't manage this}
self.forcescreen = true;
if (self.isiframe){
self.iframe ={
"doc":$(doc),"html":self.doc.contents().find('html')[0],"body":self.doc.contents().find('body')[0]}
;
self.getContentSize = function(){
return{
w:Math.max(self.iframe.html.scrollWidth,self.iframe.body.scrollWidth),h:Math.max(self.iframe.html.scrollHeight,self.iframe.body.scrollHeight)}
}
self.docscroll = $(self.iframe.body);
//$(this.contentWindow);
}
if (!cap.isios&&self.opt.iframeautoresize&&!self.isiframe){
self.win.scrollTop(0);
// reset position self.doc.height("");
//reset height to fix browser bug var hh=Math.max(doc.getElementsByTagName('html')[0].scrollHeight,doc.body.scrollHeight);
self.doc.height(hh);
}
self.lazyResize(30);
if (cap.isie7) self.css($(self.iframe.html),{
'overflow-y':'hidden'}
);
//self.css($(doc.body),{
'overflow-y':'hidden'}
);
self.css($(self.iframe.body),{
'overflow-y':'hidden'}
);
if (cap.isios&&self.haswrapper){
self.css($(doc.body),{
'-webkit-transform':'translate3d(0,0,0)'}
);
// avoid iFrame content clipping - thanks to http://blog.derraab.com/2012/04/02/avoid-iframe-content-clipping-with-css-transform-on-ios/ console.log(1);
}
if ('contentWindow' in this){
self.bind(this.contentWindow,"scroll",self.onscroll);
//IE8 & minor}
else{
self.bind(doc,"scroll",self.onscroll);
}
if (self.opt.enablemousewheel){
self.bind(doc,"mousewheel",self.onmousewheel);
}
if (self.opt.enablekeyboard) self.bind(doc,(cap.isopera)?"keypress":"keydown",self.onkeypress);
if (cap.cantouch||self.opt.touchbehavior){
self.bind(doc,"mousedown",self.ontouchstart);
self.bind(doc,"mousemove",function(e){
self.ontouchmove(e,true)}
);
if (self.opt.grabcursorenabled&&cap.cursorgrabvalue) self.css($(doc.body),{
'cursor':cap.cursorgrabvalue}
);
}
self.bind(doc,"mouseup",self.ontouchend);
if (self.zoom){
if (self.opt.dblclickzoom) self.bind(doc,'dblclick',self.doZoom);
if (self.ongesturezoom) self.bind(doc,"gestureend",self.ongesturezoom);
}
}
;
if (this.doc[0].readyState&&this.doc[0].readyState=="complete"){
setTimeout(function(){
oniframeload.call(self.doc[0],false)}
,500);
}
self.bind(this.doc,"load",oniframeload);
}
}
;
this.showCursor = function(py,px){
if (self.cursortimeout){
clearTimeout(self.cursortimeout);
self.cursortimeout = 0;
}
if (!self.rail) return;
if (self.autohidedom){
self.autohidedom.stop().css({
opacity:self.opt.cursoropacitymax}
);
self.cursoractive = true;
}
if (!self.rail.drag||self.rail.drag.pt!=1){
if ((typeof py != "undefined")&&(py!==false)){
self.scroll.y = Math.round(py * 1/self.scrollratio.y);
}
if (typeof px != "undefined"){
self.scroll.x = Math.round(px * 1/self.scrollratio.x);
}
}
self.cursor.css({
height:self.cursorheight,top:self.scroll.y}
);
if (self.cursorh){
(!self.rail.align&&self.rail.visibility) ? self.cursorh.css({
width:self.cursorwidth,left:self.scroll.x+self.rail.width}
):self.cursorh.css({
width:self.cursorwidth,left:self.scroll.x}
);
self.cursoractive = true;
}
if (self.zoom) self.zoom.stop().css({
opacity:self.opt.cursoropacitymax}
);
}
;
this.hideCursor = function(tm){
if (self.cursortimeout) return;
if (!self.rail) return;
if (!self.autohidedom) return;
self.cursortimeout = setTimeout(function(){
if (!self.rail.active||!self.showonmouseevent){
self.autohidedom.stop().animate({
opacity:self.opt.cursoropacitymin}
);
if (self.zoom) self.zoom.stop().animate({
opacity:self.opt.cursoropacitymin}
);
self.cursoractive = false;
}
self.cursortimeout = 0;
}
,tm||self.opt.hidecursordelay);
}
;
this.noticeCursor = function(tm,py,px){
self.showCursor(py,px);
if (!self.rail.active) self.hideCursor(tm);
}
;
this.getContentSize = (self.ispage) ? function(){
return{
w:Math.max(document.body.scrollWidth,document.documentElement.scrollWidth),h:Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}
}
:(self.haswrapper) ? function(){
return{
w:self.doc.outerWidth()+parseInt(self.win.css('paddingLeft'))+parseInt(self.win.css('paddingRight')),h:self.doc.outerHeight()+parseInt(self.win.css('paddingTop'))+parseInt(self.win.css('paddingBottom'))}
}
:function(){
return{
w:self.docscroll[0].scrollWidth,h:self.docscroll[0].scrollHeight}
}
;
this.onResize = function(e,page){
if (!self.win) return false;
if (!self.haswrapper&&!self.ispage){
if (self.win.css('display')=='none'){
if (self.visibility) self.hideRail().hideRailHr();
return false;
}
else{
if (!self.hidden&&!self.visibility) self.showRail().showRailHr();
}
}
var premaxh = self.page.maxh;
var premaxw = self.page.maxw;
var preview ={
h:self.view.h,w:self.view.w}
;
self.view ={
w:(self.ispage) ? self.win.width():parseInt(self.win[0].clientWidth),h:(self.ispage) ? self.win.height():parseInt(self.win[0].clientHeight)}
;
self.page = (page) ? page:self.getContentSize();
self.page.maxh = Math.max(0,self.page.h - self.view.h);
self.page.maxw = Math.max(0,self.page.w - self.view.w);
if ((self.page.maxh==premaxh)&&(self.page.maxw==premaxw)&&(self.view.w==preview.w)){
// test position if (!self.ispage){
var pos = self.win.offset();
if (self.lastposition){
var lst = self.lastposition;
if ((lst.top==pos.top)&&(lst.left==pos.left)) return self;
//nothing to do}
self.lastposition = pos;
}
else{
return self;
//nothing to do}
}
if (self.page.maxh==0){
self.hideRail();
self.scrollvaluemax = 0;
self.scroll.y = 0;
self.scrollratio.y = 0;
self.cursorheight = 0;
self.setScrollTop(0);
self.rail.scrollable = false;
}
else{
self.rail.scrollable = true;
}
if (self.page.maxw==0){
self.hideRailHr();
self.scrollvaluemaxw = 0;
self.scroll.x = 0;
self.scrollratio.x = 0;
self.cursorwidth = 0;
self.setScrollLeft(0);
self.railh.scrollable = false;
}
else{
self.railh.scrollable = true;
}
self.locked = (self.page.maxh==0)&&(self.page.maxw==0);
if (self.locked){
if (!self.ispage) self.updateScrollBar(self.view);
return false;
}
if (!self.hidden&&!self.visibility){
self.showRail().showRailHr();
}
else if (!self.hidden&&!self.railh.visibility) self.showRailHr();
if (self.istextarea&&self.win.css('resize')&&self.win.css('resize')!='none') self.view.h-=20;
self.cursorheight = Math.min(self.view.h,Math.round(self.view.h * (self.view.h / self.page.h)));
self.cursorheight = (self.opt.cursorfixedheight) ? self.opt.cursorfixedheight:Math.max(self.opt.cursorminheight,self.cursorheight);
self.cursorwidth = Math.min(self.view.w,Math.round(self.view.w * (self.view.w / self.page.w)));
self.cursorwidth = (self.opt.cursorfixedheight) ? self.opt.cursorfixedheight:Math.max(self.opt.cursorminheight,self.cursorwidth);
self.scrollvaluemax = self.view.h-self.cursorheight-self.cursor.hborder;
if (self.railh){
self.railh.width = (self.page.maxh>0) ? (self.view.w-self.rail.width):self.view.w;
self.scrollvaluemaxw = self.railh.width-self.cursorwidth-self.cursorh.wborder;
}
if (self.checkrtlmode&&self.railh){
self.checkrtlmode = false;
if (self.opt.rtlmode&&self.scroll.x==0) self.setScrollLeft(self.page.maxw);
}
if (!self.ispage) self.updateScrollBar(self.view);
self.scrollratio ={
x:(self.page.maxw/self.scrollvaluemaxw),y:(self.page.maxh/self.scrollvaluemax)}
;
var sy = self.getScrollTop();
if (sy>self.page.maxh){
self.doScrollTop(self.page.maxh);
}
else{
self.scroll.y = Math.round(self.getScrollTop() * (1/self.scrollratio.y));
self.scroll.x = Math.round(self.getScrollLeft() * (1/self.scrollratio.x));
if (self.cursoractive) self.noticeCursor();
}
if (self.scroll.y&&(self.getScrollTop()==0)) self.doScrollTo(Math.floor(self.scroll.y*self.scrollratio.y));
return self;
}
;
this.resize = self.onResize;
this.lazyResize = function(tm){
// event debounce tm = (isNaN(tm)) ? 30:tm;
self.delayed('resize',self.resize,tm);
return self;
}
// modified by MDN https://developer.mozilla.org/en-US/docs/DOM/Mozilla_event_reference/wheel function _modernWheelEvent(dom,name,fn,bubble){
self._bind(dom,name,function(e){
var e = (e) ? e:window.event;
var event ={
original:e,target:e.target || e.srcElement,type:"wheel",deltaMode:e.type == "MozMousePixelScroll" ? 0:1,deltaX:0,deltaZ:0,preventDefault:function(){
e.preventDefault ? e.preventDefault():e.returnValue = false;
return false;
}
,stopImmediatePropagation:function(){
(e.stopImmediatePropagation) ? e.stopImmediatePropagation():e.cancelBubble = true;
}
}
;
if (name=="mousewheel"){
event.deltaY = - 1/40 * e.wheelDelta;
e.wheelDeltaX && (event.deltaX = - 1/40 * e.wheelDeltaX);
}
else{
event.deltaY = e.detail;
}
return fn.call(dom,event);
}
,bubble);
}
;
this._bind = function(el,name,fn,bubble){
// primitive bind self.events.push({
e:el,n:name,f:fn,b:bubble,q:false}
);
if (el.addEventListener){
el.addEventListener(name,fn,bubble||false);
}
else if (el.attachEvent){
el.attachEvent("on"+name,fn);
}
else{
el["on"+name] = fn;
}
}
;
this.jqbind = function(dom,name,fn){
// use jquery bind for non-native events (mouseenter/mouseleave) self.events.push({
e:dom,n:name,f:fn,q:true}
);
$(dom).bind(name,fn);
}
this.bind = function(dom,name,fn,bubble){
// touch-oriented & fixing jquery bind var el = ("jquery" in dom) ? dom[0]:dom;
if (name=='mousewheel'){
if ("onwheel" in self.win){
self._bind(el,"wheel",fn,bubble||false);
}
else{
var wname = (typeof document.onmousewheel != "undefined") ? "mousewheel":"DOMMouseScroll";
// older IE/Firefox _modernWheelEvent(el,wname,fn,bubble||false);
if (wname=="DOMMouseScroll") _modernWheelEvent(el,"MozMousePixelScroll",fn,bubble||false);
// Firefox legacy}
}
else if (el.addEventListener){
if (cap.cantouch && /mouseup|mousedown|mousemove/.test(name)){
// touch device support var tt=(name=='mousedown')?'touchstart':(name=='mouseup')?'touchend':'touchmove';
self._bind(el,tt,function(e){
if (e.touches){
if (e.touches.length<2){
var ev=(e.touches.length)?e.touches[0]:e;
ev.original=e;
fn.call(this,ev);
}
}
else if (e.changedTouches){
var ev=e.changedTouches[0];
ev.original=e;
fn.call(this,ev);
}
//blackberry}
,bubble||false);
}
self._bind(el,name,fn,bubble||false);
if (cap.cantouch && name=="mouseup") self._bind(el,"touchcancel",fn,bubble||false);
}
else{
self._bind(el,name,function(e){
e = e||window.event||false;
if (e){
if (e.srcElement) e.target=e.srcElement;
}
if (!("pageY" in e)){
e.pageX = e.clientX + document.documentElement.scrollLeft;
e.pageY = e.clientY + document.documentElement.scrollTop;
}
return ((fn.call(el,e)===false)||bubble===false) ? self.cancelEvent(e):true;
}
);
}
}
;
this._unbind = function(el,name,fn,bub){
// primitive unbind if (el.removeEventListener){
el.removeEventListener(name,fn,bub);
}
else if (el.detachEvent){
el.detachEvent('on'+name,fn);
}
else{
el['on'+name] = false;
}
}
;
this.unbindAll = function(){
for(var a=0;
a<self.events.length;
a++){
var r = self.events[a];
(r.q) ? r.e.unbind(r.n,r.f):self._unbind(r.e,r.n,r.f,r.b);
}
}
;
// Thanks to http://www.switchonthecode.com !! this.cancelEvent = function(e){
var e = (e.original) ? e.original:(e) ? e:window.event||false;
if (!e) return false;
if(e.preventDefault) e.preventDefault();
if(e.stopPropagation) e.stopPropagation();
if(e.preventManipulation) e.preventManipulation();
//IE10 e.cancelBubble = true;
e.cancel = true;
e.returnValue = false;
return false;
}
;
this.stopPropagation = function(e){
var e = (e.original) ? e.original:(e) ? e:window.event||false;
if (!e) return false;
if (e.stopPropagation) return e.stopPropagation();
if (e.cancelBubble) e.cancelBubble=true;
return false;
}
this.showRail = function(){
if ((self.page.maxh!=0)&&(self.ispage||self.win.css('display')!='none')){
self.visibility = true;
self.rail.visibility = true;
self.rail.css('display','block');
}
return self;
}
;
this.showRailHr = function(){
if (!self.railh) return self;
if ((self.page.maxw!=0)&&(self.ispage||self.win.css('display')!='none')){
self.railh.visibility = true;
self.railh.css('display','block');
}
return self;
}
;
this.hideRail = function(){
self.visibility = false;
self.rail.visibility = false;
self.rail.css('display','none');
return self;
}
;
this.hideRailHr = function(){
if (!self.railh) return self;
self.railh.visibility = false;
self.railh.css('display','none');
return self;
}
;
this.show = function(){
self.hidden = false;
self.locked = false;
return self.showRail().showRailHr();
}
;
this.hide = function(){
self.hidden = true;
self.locked = true;
return self.hideRail().hideRailHr();
}
;
this.toggle = function(){
return (self.hidden) ? self.show():self.hide();
}
;
this.remove = function(){
self.stop();
if (self.cursortimeout) clearTimeout(self.cursortimeout);
self.doZoomOut();
self.unbindAll();
if (cap.isie9) self.win[0].detachEvent("onpropertychange",self.onAttributeChange);
//IE9 DOMAttrModified bug if (self.observer !== false) self.observer.disconnect();
if (self.observerremover !== false) self.observerremover.disconnect();
self.events = null;
if (self.cursor){
self.cursor.remove();
}
if (self.cursorh){
self.cursorh.remove();
}
if (self.rail){
self.rail.remove();
}
if (self.railh){
self.railh.remove();
}
if (self.zoom){
self.zoom.remove();
}
for(var a=0;
a<self.saved.css.length;
a++){
var d=self.saved.css[a];
d[0].css(d[1],(typeof d[2]=="undefined") ? '':d[2]);
}
self.saved = false;
self.me.data('__nicescroll','');
//erase all traces // memory leak fixed by GianlucaGuarini - thanks a lot! // remove the current nicescroll from the $.nicescroll array & normalize array var lst = $.nicescroll;
lst.each(function(i){
if (!this) return;
if(this.id === self.id){
delete lst[i];
for(var b=++i;
b<lst.length;
b++,i++) lst[i]=lst[b];
lst.length--;
if (lst.length) delete lst[lst.length];
}
}
);
for (var i in self){
self[i] = null;
delete self[i];
}
self = null;
}
;
this.scrollstart = function(fn){
this.onscrollstart = fn;
return self;
}
this.scrollend = function(fn){
this.onscrollend = fn;
return self;
}
this.scrollcancel = function(fn){
this.onscrollcancel = fn;
return self;
}
this.zoomin = function(fn){
this.onzoomin = fn;
return self;
}
this.zoomout = function(fn){
this.onzoomout = fn;
return self;
}
this.isScrollable = function(e){
var dom = (e.target) ? e.target:e;
if (dom.nodeName == 'OPTION') return true;
while (dom&&(dom.nodeType==1)&&!(/BODY|HTML/.test(dom.nodeName))){
var dd = $(dom);
var ov = dd.css('overflowY')||dd.css('overflowX')||dd.css('overflow')||'';
if (/scroll|auto/.test(ov)) return (dom.clientHeight!=dom.scrollHeight);
dom = (dom.parentNode) ? dom.parentNode:false;
}
return false;
}
;
this.getViewport = function(me){
var dom = (me&&me.parentNode) ? me.parentNode:false;
while (dom&&(dom.nodeType==1)&&!(/BODY|HTML/.test(dom.nodeName))){
var dd = $(dom);
var ov = dd.css('overflowY')||dd.css('overflowX')||dd.css('overflow')||'';
if ((/scroll|auto/.test(ov))&&(dom.clientHeight!=dom.scrollHeight)) return dd;
if (dd.getNiceScroll().length>0) return dd;
dom = (dom.parentNode) ? dom.parentNode:false;
}
return false;
}
;
function execScrollWheel(e,hr,chkscroll){
var px,py;
var rt = 1;
if (e.deltaMode==0){
// PIXEL px = -Math.floor(e.deltaX*(self.opt.mousescrollstep/(18*3)));
py = -Math.floor(e.deltaY*(self.opt.mousescrollstep/(18*3)));
}
else if (e.deltaMode==1){
// LINE px = -Math.floor(e.deltaX*self.opt.mousescrollstep);
py = -Math.floor(e.deltaY*self.opt.mousescrollstep);
}
if (hr&&self.opt.oneaxismousemode&&(px==0)&&py){
// classic vertical-only mousewheel + browser with x/y support px = py;
py = 0;
}
if (px){
if (self.scrollmom){
self.scrollmom.stop()}
self.lastdeltax+=px;
self.debounced("mousewheelx",function(){
var dt=self.lastdeltax;
self.lastdeltax=0;
if(!self.rail.drag){
self.doScrollLeftBy(dt)}
}
,120);
}
if (py){
if (self.opt.nativeparentscrolling&&chkscroll&&!self.ispage&&!self.zoomactive){
if (py<0){
if (self.getScrollTop()>=self.page.maxh) return true;
}
else{
if (self.getScrollTop()<=0) return true;
}
}
if (self.scrollmom){
self.scrollmom.stop()}
self.lastdeltay+=py;
self.debounced("mousewheely",function(){
var dt=self.lastdeltay;
self.lastdeltay=0;
if(!self.rail.drag){
self.doScrollBy(dt)}
}
,120);
}
e.stopImmediatePropagation();
return e.preventDefault();
// return self.cancelEvent(e);
}
;
this.onmousewheel = function(e){
if (self.locked){
self.debounced("checkunlock",self.resize,250);
return true;
}
if (self.rail.drag) return self.cancelEvent(e);
if (self.opt.oneaxismousemode=="auto"&&e.deltaX!=0) self.opt.oneaxismousemode = false;
// check two-axis mouse support (not very elegant) if (self.opt.oneaxismousemode&&e.deltaX==0){
if (!self.rail.scrollable){
if (self.railh&&self.railh.scrollable){
return self.onmousewheelhr(e);
}
else{
return true;
}
}
}
var nw = +(new Date());
var chk = false;
if (self.opt.preservenativescrolling&&((self.checkarea+600)<nw)){
// self.checkarea = false;
self.nativescrollingarea = self.isScrollable(e);
chk = true;
}
self.checkarea = nw;
if (self.nativescrollingarea) return true;
// this isn't my business// if (self.locked) return self.cancelEvent(e);
var ret = execScrollWheel(e,false,chk);
if (ret) self.checkarea = 0;
return ret;
}
;
this.onmousewheelhr = function(e){
if (self.locked||!self.railh.scrollable) return true;
if (self.rail.drag) return self.cancelEvent(e);
var nw = +(new Date());
var chk = false;
if (self.opt.preservenativescrolling&&((self.checkarea+600)<nw)){
// self.checkarea = false;
self.nativescrollingarea = self.isScrollable(e);
chk = true;
}
self.checkarea = nw;
if (self.nativescrollingarea) return true;
// this isn't my business if (self.locked) return self.cancelEvent(e);
return execScrollWheel(e,true,chk);
}
;
this.stop = function(){
self.cancelScroll();
if (self.scrollmon) self.scrollmon.stop();
self.cursorfreezed = false;
self.scroll.y = Math.round(self.getScrollTop() * (1/self.scrollratio.y));
self.noticeCursor();
return self;
}
;
this.getTransitionSpeed = function(dif){
var sp = Math.round(self.opt.scrollspeed*10);
var ex = Math.min(sp,Math.round((dif / 20) * self.opt.scrollspeed));
return (ex>20) ? ex:0;
}
if (!self.opt.smoothscroll){
this.doScrollLeft = function(x,spd){
//direct var y = self.getScrollTop();
self.doScrollPos(x,y,spd);
}
this.doScrollTop = function(y,spd){
//direct var x = self.getScrollLeft();
self.doScrollPos(x,y,spd);
}
this.doScrollPos = function(x,y,spd){
//direct var nx = (x>self.page.maxw) ? self.page.maxw:x;
if (nx<0) nx=0;
var ny = (y>self.page.maxh) ? self.page.maxh:y;
if (ny<0) ny=0;
self.synched('scroll',function(){
self.setScrollTop(ny);
self.setScrollLeft(nx);
}
);
}
this.cancelScroll = function(){
}
;
// direct}
else if (self.ishwscroll&&cap.hastransition&&self.opt.usetransition){
this.prepareTransition = function(dif,istime){
var ex = (istime) ? ((dif>20)?dif:0):self.getTransitionSpeed(dif);
var trans = (ex) ? cap.prefixstyle+'transform '+ex+'ms ease-out':'';
if (!self.lasttransitionstyle||self.lasttransitionstyle!=trans){
self.lasttransitionstyle = trans;
self.doc.css(cap.transitionstyle,trans);
}
return ex;
}
;
this.doScrollLeft = function(x,spd){
//trans var y = (self.scrollrunning) ? self.newscrolly:self.getScrollTop();
self.doScrollPos(x,y,spd);
}
this.doScrollTop = function(y,spd){
//trans var x = (self.scrollrunning) ? self.newscrollx:self.getScrollLeft();
self.doScrollPos(x,y,spd);
}
this.doScrollPos = function(x,y,spd){
//trans var py = self.getScrollTop();
var px = self.getScrollLeft();
if (((self.newscrolly-py)*(y-py)<0)||((self.newscrollx-px)*(x-px)<0)) self.cancelScroll();
//inverted movement detection if (self.opt.bouncescroll==false){
if (y<0) y=0;
else if (y>self.page.maxh) y=self.page.maxh;
if (x<0) x=0;
else if (x>self.page.maxw) x=self.page.maxw;
}
if (self.scrollrunning&&x==self.newscrollx&&y==self.newscrolly) return false;
self.newscrolly = y;
self.newscrollx = x;
self.newscrollspeed = spd||false;
if (self.timer) return false;
self.timer = setTimeout(function(){
var top = self.getScrollTop();
var lft = self.getScrollLeft();
var dst ={
}
;
dst.x = x-lft;
dst.y = y-top;
dst.px = lft;
dst.py = top;
var dd = Math.round(Math.sqrt(Math.pow(dst.x,2)+Math.pow(dst.y,2)));
// var df = (self.newscrollspeed) ? self.newscrollspeed:dd;
var ms = (self.newscrollspeed && self.newscrollspeed>1) ? self.newscrollspeed:self.getTransitionSpeed(dd);
if (self.newscrollspeed&&self.newscrollspeed<=1) ms*=self.newscrollspeed;
self.prepareTransition(ms,true);
if (self.timerscroll&&self.timerscroll.tm) clearInterval(self.timerscroll.tm);
if (ms>0){
if (!self.scrollrunning&&self.onscrollstart){
var info ={
"type":"scrollstart","current":{
"x":lft,"y":top}
,"request":{
"x":x,"y":y}
,"end":{
"x":self.newscrollx,"y":self.newscrolly}
,"speed":ms}
;
self.onscrollstart.call(self,info);
}
if (cap.transitionend){
if (!self.scrollendtrapped){
self.scrollendtrapped = true;
self.bind(self.doc,cap.transitionend,self.onScrollEnd,false);
//I have got to do something usefull!!}
}
else{
if (self.scrollendtrapped) clearTimeout(self.scrollendtrapped);
self.scrollendtrapped = setTimeout(self.onScrollEnd,ms);
// simulate transitionend event}
var py = top;
var px = lft;
self.timerscroll ={
bz:new BezierClass(py,self.newscrolly,ms,0,0,0.58,1),bh:new BezierClass(px,self.newscrollx,ms,0,0,0.58,1)}
;
if (!self.cursorfreezed) self.timerscroll.tm=setInterval(function(){
self.showCursor(self.getScrollTop(),self.getScrollLeft())}
,60);
}
self.synched("doScroll-set",function(){
self.timer = 0;
if (self.scrollendtrapped) self.scrollrunning = true;
self.setScrollTop(self.newscrolly);
self.setScrollLeft(self.newscrollx);
if (!self.scrollendtrapped) self.onScrollEnd();
}
);
}
,50);
}
;
this.cancelScroll = function(){
if (!self.scrollendtrapped) return true;
var py = self.getScrollTop();
var px = self.getScrollLeft();
self.scrollrunning = false;
if (!cap.transitionend) clearTimeout(cap.transitionend);
self.scrollendtrapped = false;
self._unbind(self.doc,cap.transitionend,self.onScrollEnd);
self.prepareTransition(0);
self.setScrollTop(py);
// fire event onscroll if (self.railh) self.setScrollLeft(px);
if (self.timerscroll&&self.timerscroll.tm) clearInterval(self.timerscroll.tm);
self.timerscroll = false;
self.cursorfreezed = false;
//self.noticeCursor(false,py,px);
self.showCursor(py,px);
return self;
}
;
this.onScrollEnd = function(){
if (self.scrollendtrapped) self._unbind(self.doc,cap.transitionend,self.onScrollEnd);
self.scrollendtrapped = false;
self.prepareTransition(0);
if (self.timerscroll&&self.timerscroll.tm) clearInterval(self.timerscroll.tm);
self.timerscroll = false;
var py = self.getScrollTop();
var px = self.getScrollLeft();
self.setScrollTop(py);
// fire event onscroll if (self.railh) self.setScrollLeft(px);
// fire event onscroll left self.noticeCursor(false,py,px);
self.cursorfreezed = false;
if (py<0) py=0 else if (py>self.page.maxh) py=self.page.maxh;
if (px<0) px=0 else if (px>self.page.maxw) px=self.page.maxw;
if((py!=self.newscrolly)||(px!=self.newscrollx)) return self.doScrollPos(px,py,self.opt.snapbackspeed);
if (self.onscrollend&&self.scrollrunning){
var info ={
"type":"scrollend","current":{
"x":px,"y":py}
,"end":{
"x":self.newscrollx,"y":self.newscrolly}
}
;
self.onscrollend.call(self,info);
}
self.scrollrunning = false;
}
;
}
else{
this.doScrollLeft = function(x,spd){
//no-trans var y = (self.scrollrunning) ? self.newscrolly:self.getScrollTop();
self.doScrollPos(x,y,spd);
}
this.doScrollTop = function(y,spd){
//no-trans var x = (self.scrollrunning) ? self.newscrollx:self.getScrollLeft();
self.doScrollPos(x,y,spd);
}
this.doScrollPos = function(x,y,spd){
//no-trans var y = ((typeof y == "undefined")||(y===false)) ? self.getScrollTop(true):y;
if ((self.timer)&&(self.newscrolly==y)&&(self.newscrollx==x)) return true;
if (self.timer) clearAnimationFrame(self.timer);
self.timer = 0;
var py = self.getScrollTop();
var px = self.getScrollLeft();
if (((self.newscrolly-py)*(y-py)<0)||((self.newscrollx-px)*(x-px)<0)) self.cancelScroll();
//inverted movement detection self.newscrolly = y;
self.newscrollx = x;
if (!self.bouncescroll||!self.rail.visibility){
if (self.newscrolly<0){
self.newscrolly = 0;
}
else if (self.newscrolly>self.page.maxh){
self.newscrolly = self.page.maxh;
}
}
if (!self.bouncescroll||!self.railh.visibility){
if (self.newscrollx<0){
self.newscrollx = 0;
}
else if (self.newscrollx>self.page.maxw){
self.newscrollx = self.page.maxw;
}
}
self.dst ={
}
;
self.dst.x = x-px;
self.dst.y = y-py;
self.dst.px = px;
self.dst.py = py;
var dst = Math.round(Math.sqrt(Math.pow(self.dst.x,2)+Math.pow(self.dst.y,2)));
self.dst.ax = self.dst.x / dst;
self.dst.ay = self.dst.y / dst;
var pa = 0;
var pe = dst;
if (self.dst.x==0){
pa = py;
pe = y;
self.dst.ay = 1;
self.dst.py = 0;
}
else if (self.dst.y==0){
pa = px;
pe = x;
self.dst.ax = 1;
self.dst.px = 0;
}
var ms = self.getTransitionSpeed(dst);
if (spd&&spd<=1) ms*=spd;
if (ms>0){
self.bzscroll = (self.bzscroll) ? self.bzscroll.update(pe,ms):new BezierClass(pa,pe,ms,0,1,0,1);
}
else{
self.bzscroll = false;
}
if (self.timer) return;
if ((py==self.page.maxh&&y>=self.page.maxh)||(px==self.page.maxw&&x>=self.page.maxw)) self.checkContentSize();
var sync = 1;
function scrolling(){
if (self.cancelAnimationFrame) return true;
self.scrollrunning = true;
sync = 1-sync;
if (sync) return (self.timer = setAnimationFrame(scrolling)||1);
var done = 0;
var sc = sy = self.getScrollTop();
if (self.dst.ay){
sc = (self.bzscroll) ? self.dst.py + (self.bzscroll.getNow()*self.dst.ay):self.newscrolly;
var dr=sc-sy;
if ((dr<0&&sc<self.newscrolly)||(dr>0&&sc>self.newscrolly)) sc = self.newscrolly;
self.setScrollTop(sc);
if (sc == self.newscrolly) done=1;
}
else{
done=1;
}
var scx = sx = self.getScrollLeft();
if (self.dst.ax){
scx = (self.bzscroll) ? self.dst.px + (self.bzscroll.getNow()*self.dst.ax):self.newscrollx;
var dr=scx-sx;
if ((dr<0&&scx<self.newscrollx)||(dr>0&&scx>self.newscrollx)) scx = self.newscrollx;
self.setScrollLeft(scx);
if (scx == self.newscrollx) done+=1;
}
else{
done+=1;
}
if (done==2){
self.timer = 0;
self.cursorfreezed = false;
self.bzscroll = false;
self.scrollrunning = false;
if (sc<0) sc=0;
else if (sc>self.page.maxh) sc=self.page.maxh;
if (scx<0) scx=0;
else if (scx>self.page.maxw) scx=self.page.maxw;
if ((scx!=self.newscrollx)||(sc!=self.newscrolly)) self.doScrollPos(scx,sc);
else{
if (self.onscrollend){
var info ={
"type":"scrollend","current":{
"x":sx,"y":sy}
,"end":{
"x":self.newscrollx,"y":self.newscrolly}
}
;
self.onscrollend.call(self,info);
}
}
}
else{
self.timer = setAnimationFrame(scrolling)||1;
}
}
;
self.cancelAnimationFrame=false;
self.timer = 1;
if (self.onscrollstart&&!self.scrollrunning){
var info ={
"type":"scrollstart","current":{
"x":px,"y":py}
,"request":{
"x":x,"y":y}
,"end":{
"x":self.newscrollx,"y":self.newscrolly}
,"speed":ms}
;
self.onscrollstart.call(self,info);
}
scrolling();
if ((py==self.page.maxh&&y>=py)||(px==self.page.maxw&&x>=px)) self.checkContentSize();
self.noticeCursor();
}
;
this.cancelScroll = function(){
if (self.timer) clearAnimationFrame(self.timer);
self.timer = 0;
self.bzscroll = false;
self.scrollrunning = false;
return self;
}
;
}
this.doScrollBy = function(stp,relative){
var ny = 0;
if (relative){
ny = Math.floor((self.scroll.y-stp)*self.scrollratio.y)}
else{
var sy = (self.timer) ? self.newscrolly:self.getScrollTop(true);
ny = sy-stp;
}
if (self.bouncescroll){
var haf = Math.round(self.view.h/2);
if (ny<-haf) ny=-haf else if (ny>(self.page.maxh+haf)) ny = (self.page.maxh+haf);
}
self.cursorfreezed = false;
py = self.getScrollTop(true);
if (ny<0&&py<=0) return self.noticeCursor();
else if (ny>self.page.maxh&&py>=self.page.maxh){
self.checkContentSize();
return self.noticeCursor();
}
self.doScrollTop(ny);
}
;
this.doScrollLeftBy = function(stp,relative){
var nx = 0;
if (relative){
nx = Math.floor((self.scroll.x-stp)*self.scrollratio.x)}
else{
var sx = (self.timer) ? self.newscrollx:self.getScrollLeft(true);
nx = sx-stp;
}
if (self.bouncescroll){
var haf = Math.round(self.view.w/2);
if (nx<-haf) nx=-haf else if (nx>(self.page.maxw+haf)) nx = (self.page.maxw+haf);
}
self.cursorfreezed = false;
px = self.getScrollLeft(true);
if (nx<0&&px<=0) return self.noticeCursor();
else if (nx>self.page.maxw&&px>=self.page.maxw) return self.noticeCursor();
self.doScrollLeft(nx);
}
;
this.doScrollTo = function(pos,relative){
var ny = (relative) ? Math.round(pos*self.scrollratio.y):pos;
if (ny<0) ny=0 else if (ny>self.page.maxh) ny = self.page.maxh;
self.cursorfreezed = false;
self.doScrollTop(pos);
}
;
this.checkContentSize = function(){
var pg = self.getContentSize();
if ((pg.h!=self.page.h)||(pg.w!=self.page.w)) self.resize(false,pg);
}
;
self.onscroll = function(e){
if (self.rail.drag) return;
if (!self.cursorfreezed){
self.synched('scroll',function(){
self.scroll.y = Math.round(self.getScrollTop() * (1/self.scrollratio.y));
if (self.railh) self.scroll.x = Math.round(self.getScrollLeft() * (1/self.scrollratio.x));
self.noticeCursor();
}
);
}
}
;
self.bind(self.docscroll,"scroll",self.onscroll);
this.doZoomIn = function(e){
if (self.zoomactive) return;
self.zoomactive = true;
self.zoomrestore ={
style:{
}
}
;
var lst = ['position','top','left','zIndex','backgroundColor','marginTop','marginBottom','marginLeft','marginRight'];
var win = self.win[0].style;
for(var a in lst){
var pp = lst[a];
self.zoomrestore.style[pp] = (typeof win[pp] != "undefined") ? win[pp]:'';
}
self.zoomrestore.style.width = self.win.css('width');
self.zoomrestore.style.height = self.win.css('height');
self.zoomrestore.padding ={
w:self.win.outerWidth()-self.win.width(),h:self.win.outerHeight()-self.win.height()}
;
if (cap.isios4){
self.zoomrestore.scrollTop = $(window).scrollTop();
$(window).scrollTop(0);
}
self.win.css({
"position":(cap.isios4)?"absolute":"fixed","top":0,"left":0,"z-index":globalmaxzindex+100,"margin":"0px"}
);
var bkg = self.win.css("backgroundColor");
if (bkg==""||/transparent|rgba\(0,0,0,0\)|rgba\(0,0,0,0\)/.test(bkg)) self.win.css("backgroundColor","#fff");
self.rail.css({
"z-index":globalmaxzindex+101}
);
self.zoom.css({
"z-index":globalmaxzindex+102}
);
self.zoom.css('backgroundPosition','0px -18px');
self.resizeZoom();
if (self.onzoomin) self.onzoomin.call(self);
return self.cancelEvent(e);
}
;
this.doZoomOut = function(e){
if (!self.zoomactive) return;
self.zoomactive = false;
self.win.css("margin","");
self.win.css(self.zoomrestore.style);
if (cap.isios4){
$(window).scrollTop(self.zoomrestore.scrollTop);
}
self.rail.css({
"z-index":self.zindex}
);
self.zoom.css({
"z-index":self.zindex}
);
self.zoomrestore = false;
self.zoom.css('backgroundPosition','0px 0px');
self.onResize();
if (self.onzoomout) self.onzoomout.call(self);
return self.cancelEvent(e);
}
;
this.doZoom = function(e){
return (self.zoomactive) ? self.doZoomOut(e):self.doZoomIn(e);
}
;
this.resizeZoom = function(){
if (!self.zoomactive) return;
var py = self.getScrollTop();
//preserve scrolling position self.win.css({
width:$(window).width()-self.zoomrestore.padding.w+"px",height:$(window).height()-self.zoomrestore.padding.h+"px"}
);
self.onResize();
self.setScrollTop(Math.min(self.page.maxh,py));
}
;
this.init();
$.nicescroll.push(this);
}
;
// Inspired by the work of Kin Blas// http://webpro.host.adobe.com/people/jblas/momentum/includes/jquery.momentum.0.7.js var ScrollMomentumClass2D = function(nc){
var self = this;
this.nc = nc;
this.lastx = 0;
this.lasty = 0;
this.speedx = 0;
this.speedy = 0;
this.lasttime = 0;
this.steptime = 0;
this.snapx = false;
this.snapy = false;
this.demulx = 0;
this.demuly = 0;
this.lastscrollx = -1;
this.lastscrolly = -1;
this.chkx = 0;
this.chky = 0;
this.timer = 0;
this.time = function(){
return +new Date();
//beautifull hack}
;
this.reset = function(px,py){
self.stop();
var now = self.time();
self.steptime = 0;
self.lasttime = now;
self.speedx = 0;
self.speedy = 0;
self.lastx = px;
self.lasty = py;
self.lastscrollx = -1;
self.lastscrolly = -1;
}
;
this.update = function(px,py){
var now = self.time();
self.steptime = now - self.lasttime;
self.lasttime = now;
var dy = py - self.lasty;
var dx = px - self.lastx;
var sy = self.nc.getScrollTop();
var sx = self.nc.getScrollLeft();
var newy = sy + dy;
var newx = sx + dx;
self.snapx = (newx<0)||(newx>self.nc.page.maxw);
self.snapy = (newy<0)||(newy>self.nc.page.maxh);
self.speedx = dx;
self.speedy = dy;
self.lastx = px;
self.lasty = py;
}
;
this.stop = function(){
self.nc.unsynched("domomentum2d");
if (self.timer) clearTimeout(self.timer);
self.timer = 0;
self.lastscrollx = -1;
self.lastscrolly = -1;
}
;
this.doSnapy = function(nx,ny){
var snap = false;
if (ny<0){
ny=0;
snap=true;
}
else if (ny>self.nc.page.maxh){
ny=self.nc.page.maxh;
snap=true;
}
if (nx<0){
nx=0;
snap=true;
}
else if (nx>self.nc.page.maxw){
nx=self.nc.page.maxw;
snap=true;
}
if (snap) self.nc.doScrollPos(nx,ny,self.nc.opt.snapbackspeed);
}
;
this.doMomentum = function(gp){
var t = self.time();
var l = (gp) ? t+gp:self.lasttime;
var sl = self.nc.getScrollLeft();
var st = self.nc.getScrollTop();
var pageh = self.nc.page.maxh;
var pagew = self.nc.page.maxw;
self.speedx = (pagew>0) ? Math.min(60,self.speedx):0;
self.speedy = (pageh>0) ? Math.min(60,self.speedy):0;
var chk = l && (t - l) <= 60;
if ((st<0)||(st>pageh)||(sl<0)||(sl>pagew)) chk = false;
var sy = (self.speedy && chk) ? self.speedy:false;
var sx = (self.speedx && chk) ? self.speedx:false;
if (sy||sx){
var tm = Math.max(16,self.steptime);
//timeout granularity if (tm>50){
// do smooth var xm = tm/50;
self.speedx*=xm;
self.speedy*=xm;
tm = 50;
}
self.demulxy = 0;
self.lastscrollx = self.nc.getScrollLeft();
self.chkx = self.lastscrollx;
self.lastscrolly = self.nc.getScrollTop();
self.chky = self.lastscrolly;
var nx = self.lastscrollx;
var ny = self.lastscrolly;
var onscroll = function(){
var df = ((self.time()-t)>600) ? 0.04:0.02;
if (self.speedx){
nx = Math.floor(self.lastscrollx - (self.speedx*(1-self.demulxy)));
self.lastscrollx = nx;
if ((nx<0)||(nx>pagew)) df=0.10;
}
if (self.speedy){
ny = Math.floor(self.lastscrolly - (self.speedy*(1-self.demulxy)));
self.lastscrolly = ny;
if ((ny<0)||(ny>pageh)) df=0.10;
}
self.demulxy = Math.min(1,self.demulxy+df);
self.nc.synched("domomentum2d",function(){
if (self.speedx){
var scx = self.nc.getScrollLeft();
if (scx!=self.chkx) self.stop();
self.chkx=nx;
self.nc.setScrollLeft(nx);
}
if (self.speedy){
var scy = self.nc.getScrollTop();
if (scy!=self.chky) self.stop();
self.chky=ny;
self.nc.setScrollTop(ny);
}
if(!self.timer){
self.nc.hideCursor();
self.doSnapy(nx,ny);
}
}
);
if (self.demulxy<1){
self.timer = setTimeout(onscroll,tm);
}
else{
self.stop();
self.nc.hideCursor();
self.doSnapy(nx,ny);
}
}
;
onscroll();
}
else{
self.doSnapy(self.nc.getScrollLeft(),self.nc.getScrollTop());
}
}
}
;
// override jQuery scrollTop var _scrollTop = jQuery.fn.scrollTop;
// preserve original function jQuery.cssHooks["pageYOffset"] ={
get:function(elem,computed,extra){
var nice = $.data(elem,'__nicescroll')||false;
return (nice&&nice.ishwscroll) ? nice.getScrollTop():_scrollTop.call(elem);
}
,set:function(elem,value){
var nice = $.data(elem,'__nicescroll')||false;
(nice&&nice.ishwscroll) ? nice.setScrollTop(parseInt(value)):_scrollTop.call(elem,value);
return this;
}
}
;
/* $.fx.step["scrollTop"] = function(fx){
$.cssHooks["scrollTop"].set( fx.elem,fx.now + fx.unit );
}
;
*/
jQuery.fn.scrollTop = function(value){
if (typeof value == "undefined"){
var nice = (this[0]) ? $.data(this[0],'__nicescroll')||false:false;
return (nice&&nice.ishwscroll) ? nice.getScrollTop():_scrollTop.call(this);
}
else{
return this.each(function(){
var nice = $.data(this,'__nicescroll')||false;
(nice&&nice.ishwscroll) ? nice.setScrollTop(parseInt(value)):_scrollTop.call($(this),value);
}
);
}
}
// override jQuery scrollLeft var _scrollLeft = jQuery.fn.scrollLeft;
// preserve original function $.cssHooks.pageXOffset ={
get:function(elem,computed,extra){
var nice = $.data(elem,'__nicescroll')||false;
return (nice&&nice.ishwscroll) ? nice.getScrollLeft():_scrollLeft.call(elem);
}
,set:function(elem,value){
var nice = $.data(elem,'__nicescroll')||false;
(nice&&nice.ishwscroll) ? nice.setScrollLeft(parseInt(value)):_scrollLeft.call(elem,value);
return this;
}
}
;
/* $.fx.step["scrollLeft"] = function(fx){
$.cssHooks["scrollLeft"].set( fx.elem,fx.now + fx.unit );
}
;
*/
jQuery.fn.scrollLeft = function(value){
if (typeof value == "undefined"){
var nice = (this[0]) ? $.data(this[0],'__nicescroll')||false:false;
return (nice&&nice.ishwscroll) ? nice.getScrollLeft():_scrollLeft.call(this);
}
else{
return this.each(function(){
var nice = $.data(this,'__nicescroll')||false;
(nice&&nice.ishwscroll) ? nice.setScrollLeft(parseInt(value)):_scrollLeft.call($(this),value);
}
);
}
}
var NiceScrollArray = function(doms){
var self = this;
this.length = 0;
this.name = "nicescrollarray";
this.each = function(fn){
for(var a=0,i=0;
a<self.length;
a++) fn.call(self[a],i++);
return self;
}
;
this.push = function(nice){
self[self.length]=nice;
self.length++;
}
;
this.eq = function(idx){
return self[idx];
}
;
if (doms){
for(a=0;
a<doms.length;
a++){
var nice = $.data(doms[a],'__nicescroll')||false;
if (nice){
this[this.length]=nice;
this.length++;
}
}
;
}
return this;
}
;
function mplex(el,lst,fn){
for(var a=0;
a<lst.length;
a++) fn(el,lst[a]);
}
;
mplex( NiceScrollArray.prototype,['show','hide','toggle','onResize','resize','remove','stop','doScrollPos'],function(e,n){
e[n] = function(){
var args = arguments;
return this.each(function(){
this[n].apply(this,args);
}
);
}
;
}
);
jQuery.fn.getNiceScroll = function(index){
if (typeof index == "undefined"){
return new NiceScrollArray(this);
}
else{
var nice = this[index]&&$.data(this[index],'__nicescroll')||false;
return nice;
}
}
;
jQuery.extend(jQuery.expr[':'],{
nicescroll:function(a){
return ($.data(a,'__nicescroll'))?true:false;
}
}
);
$.fn.niceScroll = function(wrapper,opt){
if (typeof opt=="undefined"){
if ((typeof wrapper=="object")&&!("jquery" in wrapper)){
opt = wrapper;
wrapper = false;
}
}
var ret = new NiceScrollArray();
if (typeof opt=="undefined") opt ={
}
;
if (wrapper||false){
opt.doc = $(wrapper);
opt.win = $(this);
}
var docundef = !("doc" in opt);
if (!docundef&&!("win" in opt)) opt.win = $(this);
this.each(function(){
var nice = $(this).data('__nicescroll')||false;
if (!nice){
opt.doc = (docundef) ? $(this):opt.doc;
nice = new NiceScrollClass(opt,$(this));
$(this).data('__nicescroll',nice);
}
ret.push(nice);
}
);
return (ret.length==1) ? ret[0]:ret;
}
;
window.NiceScroll ={
getjQuery:function(){
return jQuery}
}
;
if (!$.nicescroll){
$.nicescroll = new NiceScrollArray();
$.nicescroll.options = _globaloptions;
}
}
)( jQuery );
CSS代码(zzsc.css):
@charset "utf-8";*{margin:0;padding:0;list-style:none;}
img{border:none;}
#boxscroll{height:313px;width:900px;margin:0 auto;overflow:auto;}
#boxscroll div{width:12570px;}
#boxscroll div img{float:left;}
.row{background:#FFFFCC;}
.row2{background:#66CCFF;}
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