Файл: Arhmobi_esdcms/sys/themes/.common/scroll.js
Строк: 2663
<?php
(function(jQuery){
// globals
var domfocus = false;
var mousefocus = false;
var zoomactive = false;
var tabindexcounter = 5000;
var ascrailcounter = 2000;
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();
// derived by http://blog.joelambert.co.uk/2011/06/01/a-better-settimeoutsetinterval/
var setAnimationFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
false;
})();
var clearAnimationFrame = (function(){
return window.cancelRequestAnimationFrame ||
window.webkitCancelRequestAnimationFrame ||
window.mozCancelRequestAnimationFrame ||
window.oCancelRequestAnimationFrame ||
window.msCancelRequestAnimationFrame ||
false;
})();
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.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.cantouch = ("ontouchstart" in document.documentElement);
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;
}
}
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);
domtest = null; //memory released
browserdetected = d;
return d;
}
var NiceScrollClass = function(myopt,me) {
var self = this;
this.version = '3.0.0';
this.name = 'nicescroll';
this.me = me;
this.opt = {
doc:$("body"),
win:false,
zindex:9000,
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
};
// 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.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.scrollrunning = false;
this.scrollmom = false;
this.observer = false;
do {
this.id = "ascrail"+(ascrailcounter++);
} while (document.getElementById(this.id));
this.rail = false;
this.cursor = false;
this.cursorfreezed = 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.nativescrollingarea = false;
this.events = []; // event list for unbind
this.saved = {};
this.delaylist = {};
this.synclist = {};
this.lastdeltax = 0;
this.lastdeltay = 0;
var cap = this.detected = getBrowserDetection();
this.canhwscroll = (cap.hastransform&&self.opt.hwacceleration);
this.ishwscroll = (this.canhwscroll&&self.haswrapper);
this.istouchcapable = false; // desktop devices with touch screen support
//## Check Chrome 22 bug on touch devices
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
if (cap.cantouch&&cap.ismozilla&&!cap.isios) {
this.istouchcapable = true;
cap.cantouch = false; // parse normal desktop events
}
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.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"};
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);
};
//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.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.isfixed) ? {top:parseFloat(self.win.css('top')),left:parseFloat(self.win.css('left'))} : self.win.offset();
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 {
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,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.hasmstouch) self.css((self.ispage)?$("html"):self.win,{'-ms-touch-action':'none'});
/*
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);
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.ispage)?self.opt.zindex:self.opt.zindex+2,"background":self.opt.background});
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.opt.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.height = 1+Math.max(parseFloat(self.opt.cursorwidth),cursor.outerHeight());
railh.css({height:railh.height+"px",'zIndex':(self.ispage)?self.opt.zindex:self.opt.zindex+2,"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";
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 click
if (cap.isie&&self.opt.disableoutline) self.win.attr("hideFocus","true"); // IE, prevent dotted rectangle on focused div
if (cap.iswebkit&&self.opt.disableoutline) self.win.css({"outline":"none"});
}
if (self.opt.autohidemode===false) {
self.autohidedom = false;
}
else if (self.opt.autohidemode===true) {
self.autohidedom = $().add(self.rail);
if (self.railh) self.autohidedom=self.autohidedom.add(self.railh);
}
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.railh.cursor);
}
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 = $(tg).getNiceScroll();
if ((nc.length>0)&&(nc[0].me == self.me)) break;
if (nc.length>0) return false;
if ((tg.nodeName=='DIV')&&(tg.id==self.id)) break;
tg = (tg.parentNode) ? tg.parentNode : false;
}
}
self.cancelScroll();
var tg = self.getTarget(e);
if (tg) {
var skp = (/INPUT/i.test(tg.nodeName))&&(/range/i.test(tg.type));
if (skp) return self.stopPropagation(e);
}
if (self.forcescreen) {
var le = e;
var e = {"original":(e.original)?e.original:e};
e.clientX = le.screenX;
e.clientY = le.screenY;
}
self.rail.drag = {x:e.clientX,y:e.clientY,sx:self.scroll.x,sy:self.scroll.y,st:self.getScrollTop(),sl:self.getScrollLeft(),pt:2};
if (self.opt.touchbehavior&&self.isiframe&&cap.isie) {
var wp = self.win.position();
self.rail.drag.x+=wp.left;
self.rail.drag.y+=wp.top;
}
self.hasmoving = false;
self.lastmouseup = false;
self.scrollmom.reset(e.clientX,e.clientY);
if (!cap.cantouch&&!this.istouchcapable&&!cap.hasmstouch) {
var ip = (tg)?/INPUT|SELECT|TEXTAREA/i.test(tg.nodeName):false;
if (!ip) {
if (!self.ispage&&cap.hasmousecapture) tg.setCapture();
return self.cancelEvent(e);
}
if (/SUBMIT|CANCEL|BUTTON/i.test($(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;
}
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 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}
}
var fx = e.clientX + ofx;
if (self.railh&&self.railh.scrollable) {
var mx = (fx-self.rail.drag.x);
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}
}
}
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();
}
});
return self.cancelEvent(e);
}
};
}
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.onclick = (cap.isios) ? false : function(e) {
if (self.lastmouseup) {
self.lastmouseup = false;
return self.cancelEvent(e);
} else {
return true;
}
};
self.onmousemove = self.ontouchmove;
if (cap.cursorgrabvalue) {
self.css((self.ispage)?self.doc:self.win,{'cursor':cap.cursorgrabvalue});
self.css(self.rail,{'cursor':cap.cursorgrabvalue});
}
} else {
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));
else self.doScrollTop(Math.round(self.scroll.y*self.scrollratio.y));
}
});
return self.cancelEvent(e);
} else {
self.checkarea = true;
}
};
}
if (cap.cantouch||self.opt.touchbehavior) {
self.bind(self.win,"mousedown",self.onmousedown);
}
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) { //device with screen touch enabled
self.bind(self.win,"touchstart",self.ontouchstart);
self.bind(document,"touchend",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);
});
}
self.bind(document,"mouseup",self.onmouseup);
if (cap.hasmousecapture) self.bind(self.win,"mouseup",self.onmouseup);
self.bind(document,"mousemove",self.onmousemove);
if (self.onclick) self.bind(document,"click",self.onclick);
if (!cap.cantouch&&!self.opt.touchbehavior) {
self.rail.mouseenter(function() {
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
});
self.rail.mouseleave(function() {
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
});
if (self.opt.sensitiverail) {
self.rail.click(function(e){self.doRailClick(e,false,false)});
self.rail.dblclick(function(e){self.doRailClick(e,true,false)});
self.cursor.click(function(e){self.cancelEvent(e)});
self.cursor.dblclick(function(e){self.cancelEvent(e)});
}
if (self.railh) {
self.railh.mouseenter(function() {
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
});
self.railh.mouseleave(function() {
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
});
}
if (self.zoom) {
self.zoom.mouseenter(function() {
if (self.canshowonmouseevent) self.showCursor();
self.rail.active = true;
});
self.zoom.mouseleave(function() {
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
});
}
}
if (self.opt.enablemousewheel) {
if (!self.isiframe) self.bind((cap.isie&&self.ispage) ? document : 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.win.focus(function(e) {
domfocus = (self.getTarget(e)).id||true;
self.hasfocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
});
self.win.blur(function(e) {
domfocus = false;
self.hasfocus = false;
});
self.win.mouseenter(function(e) {
mousefocus = (self.getTarget(e)).id||true;
self.hasmousefocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
});
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;
var ctrl = e.ctrlKey||false;
if (self.locked&&key!=27) return self.cancelEvent(e);
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) {
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.resize);
self.bind(window,'orientationchange',self.resize);
self.bind(window,"load",self.resize);
if (cap.ischrome&&!self.ispage&&!self.haswrapper) { //chrome void scrollbar bug
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();
}
if (!self.ispage&&!self.haswrapper) {
// thanks to Filip http://stackoverflow.com/questions/1882224/
if ("WebKitMutationObserver" in window) {
self.observer = new WebKitMutationObserver(function(mutations) {
mutations.forEach(self.onAttributeChange);
});
self.observer.observe(self.win[0],{attributes:true,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
}
}
//
if (!self.ispage&&self.opt.boxzoom) self.bind(window,"resize",self.resizeZoom);
if (self.istextarea) self.bind(self.win,"mouseup",self.resize);
self.resize();
}
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.resize();
if (cap.isie7) self.css($(self.iframe.html),{'overflow-y':'hidden'});
//self.css($(doc.body),{'overflow-y':'hidden'});
self.css($(self.iframe.body),{'overflow-y':'hidden'});
if ('contentWindow' in this) {
self.bind(this.contentWindow,"scroll",self.onscroll); //IE8 & minor
} else {
self.bind(doc,"scroll",self.onscroll);
}
if (self.opt.enablemousewheel) {
self.bind(doc,"mousewheel",self.onmousewheel);
}
if (self.opt.enablekeyboard) self.bind(doc,(cap.isopera)?"keypress":"keydown",self.onkeypress);
if (cap.cantouch||self.opt.touchbehavior) {
self.bind(doc,"mousedown",self.onmousedown);
self.bind(doc,"mousemove",function(e){self.onmousemove(e,true)});
if (cap.cursorgrabvalue) self.css($(doc.body),{'cursor':cap.cursorgrabvalue});
}
self.bind(doc,"mouseup",self.onmouseup);
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 ((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||400);
};
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;
if (!self.ispage) self.updateScrollBar(self.view);
self.cursorheight = Math.min(self.view.h,Math.round(self.view.h * (self.view.h / self.page.h)));
self.cursorheight = 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 = 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;
}
self.scrollratio = {
x:(self.page.maxw/self.scrollvaluemaxw),
y:(self.page.maxh/self.scrollvaluemax)
};
var sy = self.getScrollTop();
if (sy>self.page.maxh) {
self.doScroll(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 = function(){self.delayed('resize',self.onResize,30);return self;} // event debounce
this.lazyResize = function() {
self.delayed('resize',self.resize,250);
}
this._bind = function(el,name,fn,bubble) { // primitive bind
self.events.push({e:el,n:name,f:fn,b:bubble});
if (el.addEventListener) {
el.addEventListener(name,fn,bubble||false);
}
else if (el.attachEvent) {
el.attachEvent("on"+name,fn);
}
else {
el["on"+name] = fn;
}
};
this.bind = function(dom,name,fn,bubble) { // touch-oriented & fixing jquery bind
var el = ("jquery" in dom) ? dom[0] : dom;
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 (name=='mousewheel') self._bind(el,"DOMMouseScroll",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;
}
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];
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.remove = function() {
self.doZoomOut();
self.unbindAll();
if (self.observer !== false) self.observer.disconnect();
self.events = [];
if (self.cursor) {
self.cursor.remove();
self.cursor = null;
}
if (self.cursorh) {
self.cursorh.remove();
self.cursorh = null;
}
if (self.rail) {
self.rail.remove();
self.rail = null;
}
if (self.railh) {
self.railh.remove();
self.railh = null;
}
if (self.zoom) {
self.zoom.remove();
self.zoom = null;
}
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
self.me = null;
self.doc = null;
self.docscroll = null;
self.win = null;
return self;
};
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;
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;
};
function execScrollWheel(e,hr) {
var px = 0;
var py = 0;
if ("wheelDeltaY" in e) {
px = Math.floor(e.wheelDeltaX/2);
py = Math.floor(e.wheelDeltaY/2);
} else {
var delta = e.detail ? e.detail * -1 : e.wheelDelta / 40;
if (delta) {
(hr) ? px = Math.floor(delta*self.opt.mousescrollstep) : py = Math.floor(delta*self.opt.mousescrollstep);
}
}
if (px) {
if (self.scrollmom) {self.scrollmom.stop()}
self.lastdeltax+=px;
self.synched("mousewheelx",function(){var dt=self.lastdeltax;self.lastdeltax=0;if(!self.rail.drag){self.doScrollLeftBy(dt)}});
}
if (py) {
if (self.scrollmom) {self.scrollmom.stop()}
self.lastdeltay+=py;
self.synched("mousewheely",function(){var dt=self.lastdeltay;self.lastdeltay=0;if(!self.rail.drag){self.doScrollBy(dt)}});
}
};
this.onmousewheel = function(e) {
if (self.locked) return true;
if (!self.rail.scrollable) {
if (self.railh&&self.railh.scrollable) {
return self.onmousewheelhr(e);
} else {
return true;
}
}
if (self.opt.preservenativescrolling&&self.checkarea) {
self.checkarea = false;
self.nativescrollingarea = self.isScrollable(e);
}
if (self.nativescrollingarea) return true; // this isn't my business
if (self.locked) return self.cancelEvent(e);
if (self.rail.drag) return self.cancelEvent(e);
execScrollWheel(e,false);
return self.cancelEvent(e);
};
this.onmousewheelhr = function(e) {
if (self.locked||!self.railh.scrollable) return true;
if (self.opt.preservenativescrolling&&self.checkarea) {
self.checkarea = false;
self.nativescrollingarea = self.isScrollable(e);
}
if (self.nativescrollingarea) return true; // this isn't my business
if (self.locked) return self.cancelEvent(e);
if (self.rail.drag) return self.cancelEvent(e);
execScrollWheel(e,true);
return self.cancelEvent(e);
};
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
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.prepareTransition(df);
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) { //no-trans
var y = (self.scrollrunning) ? self.newscrolly : self.getScrollTop();
self.doScrollPos(x,y);
}
this.doScrollTop = function(y) { //no-trans
var x = (self.scrollrunning) ? self.newscrollx : self.getScrollLeft();
self.doScrollPos(x,y);
}
this.doScrollPos = function(x,y) { //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 (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":self.opt.zindex+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":self.opt.zindex+110});
self.zoom.css({"z-index":self.opt.zindex+112});
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) {
$(window).scrollTop(self.zoomrestore.scrollTop);
}
self.rail.css({"z-index":(self.ispage)?self.opt.zindex:self.opt.zindex+2});
self.zoom.css({"z-index":self.opt.zindex});
self.zoomrestore = false;
self.zoom.css('backgroundPosition','0px 0px');
self.onResize();
if (self.onzoomout) self.onzoomout.call(self);
return self.cancelEvent(e);
};
this.doZoom = function(e) {
return (self.zoomactive) ? self.doZoomOut(e) : self.doZoomIn(e);
};
this.resizeZoom = function() {
if (!self.zoomactive) return;
var py = self.getScrollTop(); //preserve scrolling position
self.win.css({
width:$(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) <= 50;
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
$.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;a<self.length;a++) fn.call(self[a]);
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','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 = $.data(this[index],'__nicescroll')||false;
return nice;
}
};
jQuery.extend(jQuery.expr[':'], {
nicescroll: function(a) {
return ($.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();
}
})( jQuery );
?>