bajapro/Penilaian-Esai/public/assets/js/jquery.nicescroll.js
2025-06-07 16:18:13 +07:00

3684 lines
118 KiB
JavaScript

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
/* jquery.nicescroll
-- version 3.7.6
-- copyright 2017-07-19 InuYaksa*2017
-- licensed under the MIT
--
-- https://nicescroll.areaaperta.com/
-- https://github.com/inuyaksa/jquery.nicescroll
--
*/
/* jshint expr: true */
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as anonymous module.
define(['jquery'], factory);
} else if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === 'object') {
// Node/CommonJS.
module.exports = factory(require('jquery'));
} else {
// Browser globals.
factory(jQuery);
}
})(function (jQuery) {
"use strict"; // globals
var domfocus = false,
mousefocus = false,
tabindexcounter = 0,
ascrailcounter = 2000,
globalmaxzindex = 0;
var $ = jQuery,
// sandbox
_doc = document,
_win = window,
$window = $(_win);
var delegatevents = []; // http://stackoverflow.com/questions/2161159/get-script-path
function getScriptPath() {
var scripts = _doc.currentScript || function () {
var s = _doc.getElementsByTagName('script');
return s.length ? s[s.length - 1] : false;
}();
var path = scripts ? scripts.src.split('?')[0] : '';
return path.split('/').length > 0 ? path.split('/').slice(0, -1).join('/') + '/' : '';
} // based on code by Paul Irish https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
var setAnimationFrame = _win.requestAnimationFrame || _win.webkitRequestAnimationFrame || _win.mozRequestAnimationFrame || false;
var clearAnimationFrame = _win.cancelAnimationFrame || _win.webkitCancelAnimationFrame || _win.mozCancelAnimationFrame || false;
if (!setAnimationFrame) {
var anilasttime = 0;
setAnimationFrame = function setAnimationFrame(callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - anilasttime));
var id = _win.setTimeout(function () {
callback(currTime + timeToCall);
}, timeToCall);
anilasttime = currTime + timeToCall;
return id;
};
clearAnimationFrame = function clearAnimationFrame(id) {
_win.clearTimeout(id);
};
} else {
if (!_win.cancelAnimationFrame) clearAnimationFrame = function clearAnimationFrame(id) {};
}
var ClsMutationObserver = _win.MutationObserver || _win.WebKitMutationObserver || false;
var now = Date.now || function () {
return new Date().getTime();
};
var _globaloptions = {
zindex: "auto",
cursoropacitymin: 0,
cursoropacitymax: 1,
cursorcolor: "#424242",
cursorwidth: "6px",
cursorborder: "1px solid #fff",
cursorborderradius: "5px",
scrollspeed: 40,
mousescrollstep: 9 * 3,
touchbehavior: false,
// deprecated
emulatetouch: false,
// replacing touchbehavior
hwacceleration: true,
usetransition: true,
boxzoom: false,
dblclickzoom: true,
gesturezoom: true,
grabcursorenabled: true,
autohidemode: true,
background: "",
iframeautoresize: true,
cursorminheight: 32,
preservenativescrolling: true,
railoffset: false,
railhoffset: 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: "auto",
cursordragontouch: false,
oneaxismousemode: "auto",
scriptpath: getScriptPath(),
preventmultitouchscrolling: true,
disablemutationobserver: false,
enableobserver: true,
scrollbarid: false
};
var browserdetected = false;
var getBrowserDetection = function getBrowserDetection() {
if (browserdetected) return browserdetected;
var _el = _doc.createElement('DIV'),
_style = _el.style,
_agent = navigator.userAgent,
_platform = navigator.platform,
d = {};
d.haspointerlock = "pointerLockElement" in _doc || "webkitPointerLockElement" in _doc || "mozPointerLockElement" in _doc;
d.isopera = "opera" in _win; // 12-
d.isopera12 = d.isopera && "getUserMedia" in navigator;
d.isoperamini = Object.prototype.toString.call(_win.operamini) === "[object OperaMini]";
d.isie = "all" in _doc && "attachEvent" in _el && !d.isopera; //IE10-
d.isieold = d.isie && !("msInterpolationMode" in _style); // IE6 and older
d.isie7 = d.isie && !d.isieold && (!("documentMode" in _doc) || _doc.documentMode === 7);
d.isie8 = d.isie && "documentMode" in _doc && _doc.documentMode === 8;
d.isie9 = d.isie && "performance" in _win && _doc.documentMode === 9;
d.isie10 = d.isie && "performance" in _win && _doc.documentMode === 10;
d.isie11 = "msRequestFullscreen" in _el && _doc.documentMode >= 11; // IE11+
d.ismsedge = "msCredentials" in _win; // MS Edge 14+
d.ismozilla = "MozAppearance" in _style;
d.iswebkit = !d.ismsedge && "WebkitAppearance" in _style;
d.ischrome = d.iswebkit && "chrome" in _win;
d.ischrome38 = d.ischrome && "touchAction" in _style; // behavior changed in touch emulation
d.ischrome22 = !d.ischrome38 && d.ischrome && d.haspointerlock;
d.ischrome26 = !d.ischrome38 && d.ischrome && "transition" in _style; // issue with transform detection (maintain prefix)
d.cantouch = "ontouchstart" in _doc.documentElement || "ontouchstart" in _win; // with detection for Chrome Touch Emulation
d.hasw3ctouch = (_win.PointerEvent || false) && (navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0); //IE11 pointer events, following W3C Pointer Events spec
d.hasmstouch = !d.hasw3ctouch && (_win.MSPointerEvent || false); // IE10 pointer events
d.ismac = /^mac$/i.test(_platform);
d.isios = d.cantouch && /iphone|ipad|ipod/i.test(_platform);
d.isios4 = d.isios && !("seal" in Object);
d.isios7 = d.isios && "webkitHidden" in _doc; //iOS 7+
d.isios8 = d.isios && "hidden" in _doc; //iOS 8+
d.isios10 = d.isios && _win.Proxy; //iOS 10+
d.isandroid = /android/i.test(_agent);
d.haseventlistener = "addEventListener" in _el;
d.trstyle = false;
d.hastransform = false;
d.hastranslate3d = false;
d.transitionstyle = false;
d.hastransition = false;
d.transitionend = false;
d.trstyle = "transform";
d.hastransform = "transform" in _style || function () {
var check = ['msTransform', 'webkitTransform', 'MozTransform', 'OTransform'];
for (var a = 0, c = check.length; a < c; a++) {
if (_style[check[a]] !== undefined) {
d.trstyle = check[a];
break;
}
}
d.hastransform = !!d.trstyle;
}();
if (d.hastransform) {
_style[d.trstyle] = "translate3d(1px,2px,3px)";
d.hastranslate3d = /translate3d/.test(_style[d.trstyle]);
}
d.transitionstyle = "transition";
d.prefixstyle = '';
d.transitionend = "transitionend";
d.hastransition = "transition" in _style || function () {
d.transitionend = false;
var check = ['webkitTransition', 'msTransition', 'MozTransition', 'OTransition', 'OTransition', 'KhtmlTransition'];
var prefix = ['-webkit-', '-ms-', '-moz-', '-o-', '-o', '-khtml-'];
var evs = ['webkitTransitionEnd', 'msTransitionEnd', 'transitionend', 'otransitionend', 'oTransitionEnd', 'KhtmlTransitionEnd'];
for (var a = 0, c = check.length; a < c; a++) {
if (check[a] in _style) {
d.transitionstyle = check[a];
d.prefixstyle = prefix[a];
d.transitionend = evs[a];
break;
}
}
if (d.ischrome26) d.prefixstyle = prefix[1]; // always use prefix
d.hastransition = d.transitionstyle;
}();
function detectCursorGrab() {
var lst = ['grab', '-webkit-grab', '-moz-grab'];
if (d.ischrome && !d.ischrome38 || d.isie) lst = []; // force setting for IE returns false positive and chrome cursor bug
for (var a = 0, l = lst.length; a < l; a++) {
var p = lst[a];
_style.cursor = p;
if (_style.cursor == p) return p;
}
return 'url(https://cdnjs.cloudflare.com/ajax/libs/slider-pro/1.3.0/css/images/openhand.cur),n-resize'; // thanks to https://cdnjs.com/ for the openhand cursor!
}
d.cursorgrabvalue = detectCursorGrab();
d.hasmousecapture = "setCapture" in _el;
d.hasMutationObserver = ClsMutationObserver !== false;
_el = null; //memory released
browserdetected = d;
return d;
};
var NiceScrollClass = function NiceScrollClass(myopt, me) {
var self = this;
this.version = '3.7.6';
this.name = 'nicescroll';
this.me = me;
var $body = $("body");
var opt = this.opt = {
doc: $body,
win: false
};
$.extend(opt, _globaloptions); // clone opts
// Options for internal use
opt.snapbackspeed = 80;
if (myopt || false) {
for (var a in opt) {
if (myopt[a] !== undefined) opt[a] = myopt[a];
}
}
if (opt.disablemutationobserver) ClsMutationObserver = false;
this.doc = opt.doc;
this.iddoc = this.doc && this.doc[0] ? this.doc[0].id || '' : '';
this.ispage = /^BODY|HTML/.test(opt.win ? opt.win[0].nodeName : this.doc[0].nodeName);
this.haswrapper = opt.win !== false;
this.win = 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 = 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; // http://dev.w3.org/csswg/css-writing-modes-3/#logical-to-physical
// http://dev.w3.org/csswg/css-writing-modes-3/#svg-writing-mode
if (opt.rtlmode == "auto") {
var target = this.win[0] == _win ? this.body : this.win;
var writingMode = target.css("writing-mode") || target.css("-webkit-writing-mode") || target.css("-ms-writing-mode") || target.css("-moz-writing-mode");
if (writingMode == "horizontal-tb" || writingMode == "lr-tb" || writingMode === "") {
this.isrtlmode = target.css("direction") == "rtl";
this.isvertical = false;
} else {
this.isrtlmode = writingMode == "vertical-rl" || writingMode == "tb" || writingMode == "tb-rl" || writingMode == "rl-tb";
this.isvertical = writingMode == "vertical-rl" || writingMode == "tb" || writingMode == "tb-rl";
}
} else {
this.isrtlmode = opt.rtlmode === true;
this.isvertical = false;
} // this.checkrtlmode = false;
this.scrollrunning = false;
this.scrollmom = false;
this.observer = false; // observer div changes
this.observerremover = false; // observer on parent for remove detection
this.observerbody = false; // observer on body for position change
if (opt.scrollbarid !== false) {
this.id = opt.scrollbarid;
} else {
do {
this.id = "ascrail" + ascrailcounter++;
} while (_doc.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.railslocked = false; // locked by resize
this.locked = false; // prevent lost of locked status sets by user
this.hidden = false; // rails always hidden
this.cursoractive = true; // user can interact with cursors
this.wheelprevented = false; //prevent mousewheel event
this.overflowx = opt.overflowx;
this.overflowy = opt.overflowy;
this.nativescrollingarea = false;
this.checkarea = 0;
this.events = []; // event list for unbind
this.saved = {}; // style saved
this.delaylist = {};
this.synclist = {};
this.lastdeltax = 0;
this.lastdeltay = 0;
this.detected = getBrowserDetection();
var cap = $.extend({}, this.detected);
this.canhwscroll = cap.hastransform && opt.hwacceleration;
this.ishwscroll = this.canhwscroll && self.haswrapper;
if (!this.isrtlmode) {
this.hasreversehr = false;
} else if (this.isvertical) {
// RTL mode with reverse horizontal axis
this.hasreversehr = !(cap.iswebkit || cap.isie || cap.isie11);
} else {
this.hasreversehr = !(cap.iswebkit || cap.isie && !cap.isie10 && !cap.isie11);
}
this.istouchcapable = false; // desktop devices with touch screen support
//## Check WebKit-based desktop with touch support
//## + Firefox 18 nightly build (desktop) false positive (or desktop with touch support)
if (!cap.cantouch && (cap.hasw3ctouch || cap.hasmstouch)) {
// desktop device with multiple input
this.istouchcapable = true;
} else if (cap.cantouch && !cap.isios && !cap.isandroid && (cap.iswebkit || cap.ismozilla)) {
this.istouchcapable = true;
} //## disable MouseLock API on user request
if (!opt.enablemouselockapi) {
cap.hasmousecapture = false;
cap.haspointerlock = false;
}
this.debounced = function (name, fn, tm) {
if (!self) return;
var dd = self.delaylist[name] || false;
if (!dd) {
self.delaylist[name] = {
h: setAnimationFrame(function () {
self.delaylist[name].fn.call(self);
self.delaylist[name] = false;
}, tm)
};
fn.call(self);
}
self.delaylist[name].fn = fn;
};
this.synched = function (name, fn) {
if (self.synclist[name]) self.synclist[name] = fn;else {
self.synclist[name] = fn;
setAnimationFrame(function () {
if (!self) return;
self.synclist[name] && self.synclist[name].call(self);
self.synclist[name] = null;
});
}
};
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 val === undefined ? self.getScrollTop() : self.setScrollTop(val);
};
this.scrollLeft = function (val) {
return val === undefined ? self.getScrollLeft() : self.setScrollLeft(val);
}; // derived by by Dan Pupius www.pupius.net
var BezierClass = function BezierClass(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 = now();
this.df = ed - st;
};
BezierClass.prototype = {
B2: function B2(t) {
return 3 * (1 - t) * (1 - t) * t;
},
B3: function B3(t) {
return 3 * (1 - t) * t * t;
},
B4: function B4(t) {
return t * t * t;
},
getPos: function getPos() {
return (now() - this.ts) / this.spd;
},
getNow: function getNow() {
var pc = (now() - this.ts) / this.spd;
var bz = this.B2(pc) + this.B3(pc) + this.B4(pc);
return pc >= 1 ? this.ed : this.st + this.df * bz | 0;
},
update: function update(ed, spd) {
this.st = this.getNow();
this.ed = ed;
this.spd = spd;
this.ts = now();
this.df = this.ed - this.st;
return this;
}
}; //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;
}
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/
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;
};
this.notifyScrollEvent = function (el) {
var e = _doc.createEvent("UIEvents");
e.initUIEvent("scroll", false, false, _win, 1);
e.niceevent = true;
el.dispatchEvent(e);
};
var cxscrollleft = this.isrtlmode ? 1 : -1;
if (cap.hastranslate3d && 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 + ",0)");
if (!silent) self.notifyScrollEvent(self.win[0]);
};
this.setScrollLeft = function (val, silent) {
self.doc.translate.x = val;
self.doc.translate.tx = val * cxscrollleft + "px";
self.doc.css(cap.trstyle, "translate3d(" + self.doc.translate.tx + "," + self.doc.translate.ty + ",0)");
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 * cxscrollleft + "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) {
self.docscroll.scrollTop(val);
};
this.getScrollLeft = function () {
var val;
if (!self.hasreversehr) {
val = self.docscroll.scrollLeft();
} else if (self.detected.ismozilla) {
val = self.page.maxw - Math.abs(self.docscroll.scrollLeft());
} else {
val = self.page.maxw - self.docscroll.scrollLeft();
}
return val;
};
this.setScrollLeft = function (val) {
return setTimeout(function () {
if (!self) return;
if (self.hasreversehr) {
if (self.detected.ismozilla) {
val = -(self.page.maxw - val);
} else {
val = self.page.maxw - val;
}
}
return self.docscroll.scrollLeft(val);
}, 1);
};
}
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.getDocumentScrollOffset = function () {
return {
top: _win.pageYOffset || _doc.documentElement.scrollTop,
left: _win.pageXOffset || _doc.documentElement.scrollLeft
};
};
this.getOffset = function () {
if (self.isfixed) {
var ofs = self.win.offset(); // fix Chrome auto issue (when right/bottom props only)
var scrl = self.getDocumentScrollOffset();
ofs.top -= scrl.top;
ofs.left -= scrl.left;
return ofs;
}
var ww = self.win.offset();
if (!self.viewport) return ww;
var vp = self.viewport.offset();
return {
top: ww.top - vp.top,
left: ww.left - vp.left
};
};
this.updateScrollBar = function (len) {
var pos, off;
if (self.ishwscroll) {
self.rail.css({
height: self.win.innerHeight() - (opt.railpadding.top + opt.railpadding.bottom)
});
if (self.railh) self.railh.css({
width: self.win.innerWidth() - (opt.railpadding.left + opt.railpadding.right)
});
} else {
var wpos = self.getOffset();
pos = {
top: wpos.top,
left: wpos.left - (opt.railpadding.left + opt.railpadding.right)
};
pos.top += getWidthToPixel(self.win, 'border-top-width', true);
pos.left += self.rail.align ? self.win.outerWidth() - getWidthToPixel(self.win, 'border-right-width') - self.rail.width : getWidthToPixel(self.win, 'border-left-width');
off = opt.railoffset;
if (off) {
if (off.top) pos.top += off.top;
if (off.left) pos.left += off.left;
}
if (!self.railslocked) self.rail.css({
top: pos.top,
left: pos.left,
height: (len ? len.h : self.win.innerHeight()) - (opt.railpadding.top + opt.railpadding.bottom)
});
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.railslocked) {
pos = {
top: wpos.top,
left: wpos.left
};
off = opt.railhoffset;
if (off) {
if (off.top) pos.top += off.top;
if (off.left) pos.left += off.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 - (opt.railpadding.top + opt.railpadding.bottom),
left: x,
width: self.railh.width
});
}
}
};
this.doRailClick = function (e, dbl, hr) {
var fn, pg, cur, pos;
if (self.railslocked) return;
self.cancelEvent(e);
if (!("pageY" in e)) {
e.pageX = e.clientX + _doc.documentElement.scrollLeft;
e.pageY = e.clientY + _doc.documentElement.scrollTop;
}
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;
self.unsynched("relativexy");
fn(cur | 0);
} 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;
fn(cur >= pos ? pg : -pg);
}
};
self.newscrolly = self.newscrollx = 0;
self.hasanimationframe = "requestAnimationFrame" in _win;
self.hascancelanimationframe = "cancelAnimationFrame" in _win;
self.hasborderbox = false;
this.init = function () {
self.saved.css = [];
if (cap.isoperamini) return true; // SORRY, DO NOT WORK!
if (cap.isandroid && !("hidden" in _doc)) return true; // Android 3- SORRY, DO NOT WORK!
opt.emulatetouch = opt.emulatetouch || opt.touchbehavior; // mantain compatibility with "touchbehavior"
self.hasborderbox = _win.getComputedStyle && _win.getComputedStyle(_doc.body)['box-sizing'] === "border-box";
var _scrollyhidden = {
'overflow-y': 'hidden'
};
if (cap.isie11 || cap.isie10) _scrollyhidden['-ms-overflow-style'] = 'none'; // IE 10 & 11 is always a world apart!
if (self.ishwscroll) {
this.doc.css(cap.transitionstyle, cap.prefixstyle + 'transform 0ms ease-out');
if (cap.transitionend) self.bind(self.doc, cap.transitionend, self.onScrollTransitionEnd, false); //I have got to do something usefull!!
}
self.zindex = "auto";
if (!self.ispage && opt.zindex == "auto") {
self.zindex = getZIndex() || "auto";
} else {
self.zindex = opt.zindex;
}
if (!self.ispage && self.zindex != "auto" && self.zindex > globalmaxzindex) {
globalmaxzindex = self.zindex;
}
if (self.isie && self.zindex === 0 && opt.zindex == "auto") {
// fix IE auto == 0
self.zindex = "auto";
}
if (!self.ispage || !cap.isieold) {
var cont = self.docscroll;
if (self.ispage) cont = self.haswrapper ? self.win : self.doc;
self.css(cont, _scrollyhidden);
if (self.ispage && (cap.isie11 || cap.isie)) {
// IE 7-11
self.css($("html"), _scrollyhidden);
}
if (cap.isios && !self.ispage && !self.haswrapper) self.css($body, {
"-webkit-overflow-scrolling": "touch"
}); //force hw acceleration
var cursor = $(_doc.createElement('div'));
cursor.css({
position: "relative",
top: 0,
"float": "right",
width: opt.cursorwidth,
height: 0,
'background-color': opt.cursorcolor,
border: opt.cursorborder,
'background-clip': 'padding-box',
'-webkit-border-radius': opt.cursorborderradius,
'-moz-border-radius': opt.cursorborderradius,
'border-radius': opt.cursorborderradius
});
cursor.addClass('nicescroll-cursors');
self.cursor = cursor;
var rail = $(_doc.createElement('div'));
rail.attr('id', self.id);
rail.addClass('nicescroll-rails nicescroll-rails-vr');
var v,
a,
kp = ["left", "right", "top", "bottom"]; //**
for (var n in kp) {
a = kp[n];
v = opt.railpadding[a] || 0;
v && rail.css("padding-" + a, v + "px");
}
rail.append(cursor);
rail.width = Math.max(parseFloat(opt.cursorwidth), cursor.outerWidth());
rail.css({
width: rail.width + "px",
zIndex: self.zindex,
background: opt.background,
cursor: "default"
});
rail.visibility = true;
rail.scrollable = true;
rail.align = opt.railalign == "left" ? 0 : 1;
self.rail = rail;
self.rail.drag = false;
var zoom = false;
if (opt.boxzoom && !self.ispage && !cap.isieold) {
zoom = _doc.createElement('div');
self.bind(zoom, "click", self.doZoom);
self.bind(zoom, "mouseenter", function () {
self.zoom.css('opacity', opt.cursoropacitymax);
});
self.bind(zoom, "mouseleave", function () {
self.zoom.css('opacity', opt.cursoropacitymin);
});
self.zoom = $(zoom);
self.zoom.css({
cursor: "pointer",
zIndex: self.zindex,
backgroundImage: 'url(' + opt.scriptpath + 'zoomico.png)',
height: 18,
width: 18,
backgroundPosition: '0 0'
});
if (opt.dblclickzoom) self.bind(self.win, "dblclick", self.doZoom);
if (cap.cantouch && 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;
var railh;
if (opt.horizrailenabled) {
self.css(cont, {
overflowX: 'hidden'
});
cursor = $(_doc.createElement('div'));
cursor.css({
position: "absolute",
top: 0,
height: opt.cursorwidth,
width: 0,
backgroundColor: opt.cursorcolor,
border: opt.cursorborder,
backgroundClip: 'padding-box',
'-webkit-border-radius': opt.cursorborderradius,
'-moz-border-radius': opt.cursorborderradius,
'border-radius': opt.cursorborderradius
});
if (cap.isieold) cursor.css('overflow', 'hidden'); //IE6 horiz scrollbar issue
cursor.addClass('nicescroll-cursors');
self.cursorh = cursor;
railh = $(_doc.createElement('div'));
railh.attr('id', self.id + '-hr');
railh.addClass('nicescroll-rails nicescroll-rails-hr');
railh.height = Math.max(parseFloat(opt.cursorwidth), cursor.outerHeight());
railh.css({
height: railh.height + "px",
'zIndex': self.zindex,
"background": opt.background
});
railh.append(cursor);
railh.visibility = true;
railh.scrollable = true;
railh.align = opt.railvalign == "top" ? 0 : 1;
self.railh = railh;
self.railh.drag = false;
}
if (self.ispage) {
rail.css({
position: "fixed",
top: 0,
height: "100%"
});
rail.css(rail.align ? {
right: 0
} : {
left: 0
});
self.body.append(rail);
if (self.railh) {
railh.css({
position: "fixed",
left: 0,
width: "100%"
});
railh.css(railh.align ? {
bottom: 0
} : {
top: 0
});
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;
$(bd).scrollTop(0).scrollLeft(0); // fix rail position if content already scrolled
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.css(rail.align ? {
right: 0
} : {
left: 0
});
bd.append(rail);
if (railh) {
railh.css({
position: "absolute",
left: 0,
bottom: 0
});
railh.css(railh.align ? {
bottom: 0
} : {
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 (!/fixed|absolute/.test(self.viewport.css("position"))) 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 click
if (opt.disableoutline) {
if (cap.isie) self.win.attr("hideFocus", "true"); // IE, prevent dotted rectangle on focused div
if (cap.iswebkit) self.win.css('outline', 'none'); // Webkit outline
}
}
if (opt.autohidemode === false) {
self.autohidedom = false;
self.rail.css({
opacity: opt.cursoropacitymax
});
if (self.railh) self.railh.css({
opacity: opt.cursoropacitymax
});
} else if (opt.autohidemode === true || opt.autohidemode === "leave") {
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 (opt.autohidemode == "scroll") {
self.autohidedom = $().add(self.rail);
if (self.railh) self.autohidedom = self.autohidedom.add(self.railh);
} else if (opt.autohidemode == "cursor") {
self.autohidedom = $().add(self.cursor);
if (self.railh) self.autohidedom = self.autohidedom.add(self.cursorh);
} else if (opt.autohidemode == "hidden") {
self.autohidedom = false;
self.hide();
self.railslocked = false;
}
if (cap.cantouch || self.istouchcapable || opt.emulatetouch || cap.hasmstouch) {
self.scrollmom = new ScrollMomentumClass2D(self);
var delayedclick = null;
self.ontouchstart = function (e) {
if (self.locked) return false; //if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return false; // need test on surface!!
self.hasmoving = false;
if (self.scrollmom.timer) {
self.triggerScrollEnd();
self.scrollmom.stop();
}
if (!self.railslocked) {
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);
}
var ismouse = e.type === "mousedown";
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;
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,
tg: tg
};
if (self.ispage || !opt.directionlockdeadzone) {
self.rail.drag.dl = "f";
} else {
var view = {
w: $window.width(),
h: $window.height()
};
var page = self.getContentSize();
var maxh = page.h - view.h;
var maxw = page.w - view.w;
if (self.rail.scrollable && !self.railh.scrollable) self.rail.drag.ck = maxh > 0 ? "v" : false;else if (!self.rail.scrollable && self.railh.scrollable) self.rail.drag.ck = maxw > 0 ? "h" : false;else self.rail.drag.ck = false;
}
if (opt.emulatetouch && self.isiframe && cap.isie) {
var wp = self.win.position();
self.rail.drag.x += wp.left;
self.rail.drag.y += wp.top;
}
self.hasmoving = false;
self.lastmouseup = false;
self.scrollmom.reset(e.clientX, e.clientY);
if (tg && ismouse) {
var ip = /INPUT|SELECT|BUTTON|TEXTAREA/i.test(tg.nodeName);
if (!ip) {
if (cap.hasmousecapture) tg.setCapture();
if (opt.emulatetouch) {
if (tg.onclick && !(tg._onclick || false)) {
// intercept DOM0 onclick event
tg._onclick = tg.onclick;
tg.onclick = function (e) {
if (self.hasmoving) return false;
tg._onclick.call(this, e);
};
}
return self.cancelEvent(e);
}
return self.stopPropagation(e);
}
if (/SUBMIT|CANCEL|BUTTON/i.test($(tg).attr('type'))) {
self.preventclick = {
"tg": tg,
"click": false
};
}
}
}
};
self.ontouchend = function (e) {
if (!self.rail.drag) return true;
if (self.rail.drag.pt == 2) {
//if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return false;
self.rail.drag = false;
var ismouse = e.type === "mouseup";
if (self.hasmoving) {
self.scrollmom.doMomentum();
self.lastmouseup = true;
self.hideCursor();
if (cap.hasmousecapture) _doc.releaseCapture();
if (ismouse) return self.cancelEvent(e);
}
} else if (self.rail.drag.pt == 1) {
return self.onmouseup(e);
}
};
var moveneedoffset = opt.emulatetouch && self.isiframe && !cap.hasmousecapture;
var locktollerance = opt.directionlockdeadzone * 0.3 | 0;
self.ontouchmove = function (e, byiframe) {
if (!self.rail.drag) return true;
if (e.targetTouches && opt.preventmultitouchscrolling) {
if (e.targetTouches.length > 1) return true; // multitouch
} //if (e.pointerType && e.pointerType != 2 && e.pointerType != "touch") return false;
if (e.pointerType && (e.pointerType === 'mouse' || e.pointerType === e.MSPOINTER_TYPE_MOUSE)) return true;
if (self.rail.drag.pt == 2) {
if ("changedTouches" in e) {
e.clientX = e.changedTouches[0].clientX;
e.clientY = e.changedTouches[0].clientY;
}
var ofy, ofx;
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 && opt.bouncescroll) {
if (ny < 0) {
ny = Math.round(ny / 2);
} else if (ny > self.page.maxh) {
ny = self.page.maxh + Math.round((ny - self.page.maxh) / 2);
}
} else {
if (ny < 0) {
ny = 0;
fy = 0;
} else if (ny > self.page.maxh) {
ny = self.page.maxh;
fy = 0;
}
if (fy === 0 && !self.hasmoving) {
if (!self.ispage) self.rail.drag = false;
return true;
}
}
var nx = self.getScrollLeft();
if (self.railh && self.railh.scrollable) {
nx = self.isrtlmode ? mx - self.rail.drag.sl : self.rail.drag.sl - mx;
if (self.ishwscroll && opt.bouncescroll) {
if (nx < 0) {
nx = Math.round(nx / 2);
} else if (nx > self.page.maxw) {
nx = self.page.maxw + Math.round((nx - self.page.maxw) / 2);
}
} else {
if (nx < 0) {
nx = 0;
fx = 0;
}
if (nx > self.page.maxw) {
nx = self.page.maxw;
fx = 0;
}
}
}
if (!self.hasmoving) {
if (self.rail.drag.y === e.clientY && self.rail.drag.x === e.clientX) return self.cancelEvent(e); // prevent first useless move event
var ay = Math.abs(my);
var ax = Math.abs(mx);
var dz = opt.directionlockdeadzone;
if (!self.rail.drag.ck) {
if (ay > dz && ax > dz) self.rail.drag.dl = "f";else if (ay > dz) self.rail.drag.dl = ax > locktollerance ? "f" : "v";else if (ax > dz) self.rail.drag.dl = ay > locktollerance ? "f" : "h";
} else if (self.rail.drag.ck == "v") {
if (ax > dz && ay <= locktollerance) {
self.rail.drag = false;
} else if (ay > dz) self.rail.drag.dl = "v";
} else if (self.rail.drag.ck == "h") {
if (ay > dz && ax <= locktollerance) {
self.rail.drag = false;
} else if (ax > dz) self.rail.drag.dl = "h";
}
if (!self.rail.drag.dl) return self.cancelEvent(e);
self.triggerScrollStart(e.clientX, e.clientY, 0, 0, 0);
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.rail.drag.dl) {
if (self.rail.drag.dl == "v") nx = self.rail.drag.sl;else if (self.rail.drag.dl == "h") ny = self.rail.drag.st;
}
self.synched("touchmove", function () {
if (self.rail.drag && self.rail.drag.pt == 2) {
if (self.prepareTransition) self.resetTransition();
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) _doc.selection.clear();
}
});
return self.cancelEvent(e);
} else if (self.rail.drag.pt == 1) {
// drag on cursor
return self.onmousemove(e);
}
};
self.ontouchstartCursor = function (e, hronly) {
if (self.rail.drag && self.rail.drag.pt != 3) return;
if (self.locked) return self.cancelEvent(e);
self.cancelScroll();
self.rail.drag = {
x: e.touches[0].clientX,
y: e.touches[0].clientY,
sx: self.scroll.x,
sy: self.scroll.y,
pt: 3,
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.ontouchendCursor = function (e) {
if (self.rail.drag) {
if (cap.hasmousecapture) _doc.releaseCapture();
if (self.isiframe && !cap.hasmousecapture) self.doc.css("pointer-events", self.saved.csspointerevents);
if (self.rail.drag.pt != 3) return;
self.rail.drag = false;
return self.cancelEvent(e);
}
};
self.ontouchmoveCursor = function (e) {
if (self.rail.drag) {
if (self.rail.drag.pt != 3) return;
self.cursorfreezed = true;
if (self.rail.drag.hr) {
self.scroll.x = self.rail.drag.sx + (e.touches[0].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.touches[0].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('touchmove', function () {
if (self.rail.drag && self.rail.drag.pt == 3) {
self.showCursor();
if (self.rail.drag.hr) self.doScrollLeft(Math.round(self.scroll.x * self.scrollratio.x), opt.cursordragspeed);else self.doScrollTop(Math.round(self.scroll.y * self.scrollratio.y), opt.cursordragspeed);
}
});
return self.cancelEvent(e);
}
};
}
self.onmousedown = function (e, hronly) {
if (self.rail.drag && self.rail.drag.pt != 1) return;
if (self.railslocked) 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 || false
};
var tg = self.getTarget(e);
if (cap.hasmousecapture) tg.setCapture();
if (self.isiframe && !cap.hasmousecapture) {
self.saved.csspointerevents = self.doc.css("pointer-events");
self.css(self.doc, {
"pointer-events": "none"
});
}
self.hasmoving = false;
return self.cancelEvent(e);
};
self.onmouseup = function (e) {
if (self.rail.drag) {
if (self.rail.drag.pt != 1) return true;
if (cap.hasmousecapture) _doc.releaseCapture();
if (self.isiframe && !cap.hasmousecapture) self.doc.css("pointer-events", self.saved.csspointerevents);
self.rail.drag = false;
self.cursorfreezed = false;
if (self.hasmoving) self.triggerScrollEnd();
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.hasmoving) self.triggerScrollStart(e.clientX, e.clientY, 0, 0, 0);
self.hasmoving = 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.cursorfreezed) {
self.showCursor();
if (self.rail.drag.hr) {
self.scrollLeft(Math.round(self.scroll.x * self.scrollratio.x));
} else {
self.scrollTop(Math.round(self.scroll.y * self.scrollratio.y));
}
}
});
return self.cancelEvent(e);
} else {
self.checkarea = 0;
}
};
if (cap.cantouch || opt.emulatetouch) {
self.onpreventclick = function (e) {
if (self.preventclick) {
self.preventclick.tg.onclick = self.preventclick.click;
self.preventclick = false;
return self.cancelEvent(e);
}
};
self.onclick = cap.isios ? false : function (e) {
// it needs to check IE11 ???
if (self.lastmouseup) {
self.lastmouseup = false;
return self.cancelEvent(e);
} else {
return true;
}
};
if (opt.grabcursorenabled && cap.cursorgrabvalue) {
self.css(self.ispage ? self.doc : self.win, {
'cursor': cap.cursorgrabvalue
});
self.css(self.rail, {
'cursor': cap.cursorgrabvalue
});
}
} else {
var checkSelectionScroll = 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 = -(self.selectiondrag.df * 2 / 6) | 0;
self.doScrollBy(rt);
self.debounced("doselectionscroll", function () {
checkSelectionScroll();
}, 50);
};
if ("getSelection" in _doc) {
// A grade - Major browsers
self.hasTextSelected = function () {
return _doc.getSelection().rangeCount > 0;
};
} else if ("selection" in _doc) {
//IE9-
self.hasTextSelected = function () {
return _doc.selection.type != "None";
};
} else {
self.hasTextSelected = function () {
// no support
return false;
};
}
self.onselectionstart = function (e) {
// More testing - severe chrome issues
/*
if (!self.haswrapper&&(e.which&&e.which==2)) { // fool browser to manage middle button scrolling
self.win.css({'overflow':'auto'});
setTimeout(function(){
self.win.css({'overflow':'hidden'});
},10);
return true;
}
*/
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.hasw3ctouch) {
//IE11+
self.css(self.ispage ? $("html") : self.win, {
'touch-action': 'none'
});
self.css(self.rail, {
'touch-action': 'none'
});
self.css(self.cursor, {
'touch-action': 'none'
});
self.bind(self.win, "pointerdown", self.ontouchstart);
self.bind(_doc, "pointerup", self.ontouchend);
self.delegate(_doc, "pointermove", self.ontouchmove);
} else if (cap.hasmstouch) {
//IE10
self.css(self.ispage ? $("html") : self.win, {
'-ms-touch-action': 'none'
});
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(_doc, "MSPointerUp", self.ontouchend);
self.delegate(_doc, "MSPointerMove", self.ontouchmove);
self.bind(self.cursor, "MSGestureHold", function (e) {
e.preventDefault();
});
self.bind(self.cursor, "contextmenu", function (e) {
e.preventDefault();
});
} else if (cap.cantouch) {
// smartphones/touch devices
self.bind(self.win, "touchstart", self.ontouchstart, false, true);
self.bind(_doc, "touchend", self.ontouchend, false, true);
self.bind(_doc, "touchcancel", self.ontouchend, false, true);
self.delegate(_doc, "touchmove", self.ontouchmove, false, true);
}
if (opt.emulatetouch) {
self.bind(self.win, "mousedown", self.ontouchstart, false, true);
self.bind(_doc, "mouseup", self.ontouchend, false, true);
self.bind(_doc, "mousemove", self.ontouchmove, false, true);
}
if (opt.cursordragontouch || !cap.cantouch && !opt.emulatetouch) {
self.rail.css({
cursor: "default"
});
self.railh && self.railh.css({
cursor: "default"
});
self.jqbind(self.rail, "mouseenter", function () {
if (!self.ispage && !self.win.is(":visible")) return false;
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 (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.ispage && !self.win.is(":visible")) return false;
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 (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 (opt.cursordragontouch && (this.istouchcapable || cap.cantouch)) {
self.bind(self.cursor, "touchstart", self.ontouchstartCursor);
self.bind(self.cursor, "touchmove", self.ontouchmoveCursor);
self.bind(self.cursor, "touchend", self.ontouchendCursor);
self.cursorh && self.bind(self.cursorh, "touchstart", function (e) {
self.ontouchstartCursor(e, true);
});
self.cursorh && self.bind(self.cursorh, "touchmove", self.ontouchmoveCursor);
self.cursorh && self.bind(self.cursorh, "touchend", self.ontouchendCursor);
} // if (!cap.cantouch && !opt.emulatetouch) {
if (!opt.emulatetouch && !cap.isandroid && !cap.isios) {
self.bind(cap.hasmousecapture ? self.win : _doc, "mouseup", self.onmouseup);
self.bind(_doc, "mousemove", self.onmousemove);
if (self.onclick) self.bind(_doc, "click", self.onclick);
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", self.onmouseup);
}
if (!self.ispage && opt.enablescrollonselection) {
self.bind(self.win[0], "mousedown", self.onselectionstart);
self.bind(_doc, "mouseup", self.onselectionend);
self.bind(self.cursor, "mouseup", self.onselectionend);
if (self.cursorh) self.bind(self.cursorh, "mouseup", self.onselectionend);
self.bind(_doc, "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 : _doc, "mouseup", self.ontouchend);
if (self.onclick) self.bind(_doc, "click", self.onclick);
if (opt.cursordragontouch) {
self.bind(self.cursor, "mousedown", self.onmousedown);
self.bind(self.cursor, "mouseup", self.onmouseup);
self.cursorh && self.bind(self.cursorh, "mousedown", function (e) {
self.onmousedown(e, true);
});
self.cursorh && self.bind(self.cursorh, "mouseup", self.onmouseup);
} else {
self.bind(self.rail, "mousedown", function (e) {
e.preventDefault();
}); // prevent text selection
self.railh && self.bind(self.railh, "mousedown", function (e) {
e.preventDefault();
});
}
}
if (opt.enablemousewheel) {
if (!self.isiframe) self.mousewheel(cap.isie && self.ispage ? _doc : self.win, self.onmousewheel);
self.mousewheel(self.rail, self.onmousewheel);
if (self.railh) self.mousewheel(self.railh, 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.bind(self.win, "focus", function (e) {
// better using native events
domfocus = self.getTarget(e).id || self.getTarget(e) || false;
self.hasfocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
});
self.bind(self.win, "blur", function (e) {
// *
domfocus = false;
self.hasfocus = false;
});
self.bind(self.win, "mouseenter", function (e) {
// *
mousefocus = self.getTarget(e).id || self.getTarget(e) || false;
self.hasmousefocus = true;
if (self.canshowonmouseevent) self.noticeCursor();
});
self.bind(self.win, "mouseleave", function (e) {
// *
mousefocus = false;
self.hasmousefocus = false;
if (!self.rail.drag) self.hideCursor();
});
} //Thanks to http://www.quirksmode.org !!
self.onkeypress = function (e) {
if (self.railslocked && self.page.maxh === 0) return true;
e = e || _win.event;
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 ($(tg).attr('contenteditable')) return true;
if (self.hasfocus || self.hasmousefocus && !domfocus || self.ispage && !domfocus && !mousefocus) {
var key = e.keyCode;
if (self.railslocked && 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 (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 (opt.enablekeyboard) self.bind(_doc, cap.isopera && !cap.isopera12 ? "keypress" : "keydown", self.onkeypress);
self.bind(_doc, "keydown", function (e) {
var ctrl = e.ctrlKey || false;
if (ctrl) self.wheelprevented = true;
});
self.bind(_doc, "keyup", function (e) {
var ctrl = e.ctrlKey || false;
if (!ctrl) self.wheelprevented = false;
});
self.bind(_win, "blur", function (e) {
self.wheelprevented = false;
});
self.bind(_win, 'resize', self.onscreenresize);
self.bind(_win, 'orientationchange', self.onscreenresize);
self.bind(_win, "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(self.isieold ? 250 : 30);
};
if (opt.enableobserver) {
if (!self.isie11 && ClsMutationObserver !== false) {
// IE11 crashes #568
self.observerbody = new ClsMutationObserver(function (mutations) {
mutations.forEach(function (mut) {
if (mut.type == "attributes") {
return $body.hasClass("modal-open") && $body.hasClass("modal-dialog") && !$.contains($('.modal-dialog')[0], self.doc[0]) ? self.hide() : self.show(); // Support for Bootstrap modal; Added check if the nice scroll element is inside a modal
}
});
if (self.me.clientWidth != self.page.width || self.me.clientHeight != self.page.height) return self.lazyResize(30);
});
self.observerbody.observe(_doc.body, {
childList: true,
subtree: true,
characterData: false,
attributes: true,
attributeFilter: ['class']
});
}
if (!self.ispage && !self.haswrapper) {
var _dom = self.win[0]; // 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(_dom, {
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 (!!self && mo.removedNodes[dd] === _dom) return self.remove();
}
}
});
});
self.observerremover.observe(_dom.parentNode, {
childList: true,
characterData: false,
attributes: false,
subtree: false
});
} else {
self.bind(_dom, cap.isie && !cap.isie9 ? "propertychange" : "DOMAttrModified", self.onAttributeChange);
if (cap.isie9) _dom.attachEvent("onpropertychange", self.onAttributeChange); //IE9 DOMAttrModified bug
self.bind(_dom, "DOMNodeRemoved", function (e) {
if (e.target === _dom) self.remove();
});
}
}
} //
if (!self.ispage && opt.boxzoom) self.bind(_win, "resize", self.resizeZoom);
if (self.istextarea) {
self.bind(self.win, "keydown", self.lazyResize);
self.bind(self.win, "mouseup", self.lazyResize);
}
self.lazyResize(30);
}
if (this.doc[0].nodeName == 'IFRAME') {
var oniframeload = function oniframeload() {
self.iframexd = false;
var doc;
try {
doc = 'contentDocument' in this ? this.contentDocument : this.contentWindow._doc;
var a = doc.domain;
} catch (e) {
self.iframexd = true;
doc = false;
}
if (self.iframexd) {
if ("console" in _win) 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 = $(self.iframe.body);
}
if (!cap.isios && opt.iframeautoresize && !self.isiframe) {
self.win.scrollTop(0); // reset position
self.doc.height(""); //reset height to fix browser bug
var hh = Math.max(doc.getElementsByTagName('html')[0].scrollHeight, doc.body.scrollHeight);
self.doc.height(hh);
}
self.lazyResize(30);
self.css($(self.iframe.body), _scrollyhidden);
if (cap.isios && self.haswrapper) {
self.css($(doc.body), {
'-webkit-transform': 'translate3d(0,0,0)'
}); // avoid iFrame content clipping - thanks to http://blog.derraab.com/2012/04/02/avoid-iframe-content-clipping-with-css-transform-on-ios/
}
if ('contentWindow' in this) {
self.bind(this.contentWindow, "scroll", self.onscroll); //IE8 & minor
} else {
self.bind(doc, "scroll", self.onscroll);
}
if (opt.enablemousewheel) {
self.mousewheel(doc, self.onmousewheel);
}
if (opt.enablekeyboard) self.bind(doc, cap.isopera ? "keypress" : "keydown", self.onkeypress);
if (cap.cantouch) {
self.bind(doc, "touchstart", self.ontouchstart);
self.bind(doc, "touchmove", self.ontouchmove);
} else if (opt.emulatetouch) {
self.bind(doc, "mousedown", self.ontouchstart);
self.bind(doc, "mousemove", function (e) {
return self.ontouchmove(e, true);
});
if (opt.grabcursorenabled && cap.cursorgrabvalue) self.css($(doc.body), {
'cursor': cap.cursorgrabvalue
});
}
self.bind(doc, "mouseup", self.ontouchend);
if (self.zoom) {
if (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: opt.cursoropacitymax
});
self.cursoractive = true;
}
if (!self.rail.drag || self.rail.drag.pt != 1) {
if (py !== undefined && py !== false) {
self.scroll.y = py / self.scrollratio.y | 0;
}
if (px !== undefined) {
self.scroll.x = px / self.scrollratio.x | 0;
}
}
self.cursor.css({
height: self.cursorheight,
top: self.scroll.y
});
if (self.cursorh) {
var lx = self.hasreversehr ? self.scrollvaluemaxw - self.scroll.x : self.scroll.x;
self.cursorh.css({
width: self.cursorwidth,
left: !self.rail.align && self.rail.visibility ? lx + self.rail.width : lx
});
self.cursoractive = true;
}
if (self.zoom) self.zoom.stop().css({
opacity: opt.cursoropacitymax
});
};
this.hideCursor = function (tm) {
if (self.cursortimeout) return;
if (!self.rail) return;
if (!self.autohidedom) return;
if (self.hasmousefocus && opt.autohidemode === "leave") return;
self.cursortimeout = setTimeout(function () {
if (!self.rail.active || !self.showonmouseevent) {
self.autohidedom.stop().animate({
opacity: opt.cursoropacitymin
});
if (self.zoom) self.zoom.stop().animate({
opacity: opt.cursoropacitymin
});
self.cursoractive = false;
}
self.cursortimeout = 0;
}, tm || 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(_doc.body.scrollWidth, _doc.documentElement.scrollWidth),
h: Math.max(_doc.body.scrollHeight, _doc.documentElement.scrollHeight)
};
} : self.haswrapper ? function () {
return {
w: self.doc[0].offsetWidth,
h: self.doc[0].offsetHeight
};
} : function () {
return {
w: self.docscroll[0].scrollWidth,
h: self.docscroll[0].scrollHeight
};
};
this.onResize = function (e, page) {
if (!self || !self.win) return false;
var premaxh = self.page.maxh,
premaxw = self.page.maxw,
previewh = self.view.h,
previeww = self.view.w;
self.view = {
w: self.ispage ? self.win.width() : self.win[0].clientWidth,
h: self.ispage ? self.win.height() : 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 == previeww && self.view.h == previewh) {
// 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);
if (self.rail) self.rail.scrollable = false;
} else {
self.page.maxh -= opt.railpadding.top + opt.railpadding.bottom;
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);
if (self.railh) {
self.railh.scrollable = false;
}
} else {
self.page.maxw -= opt.railpadding.left + opt.railpadding.right;
if (self.railh) self.railh.scrollable = opt.horizrailenabled;
}
self.railslocked = self.locked || self.page.maxh === 0 && self.page.maxw === 0;
if (self.railslocked) {
if (!self.ispage) self.updateScrollBar(self.view);
return false;
}
if (!self.hidden) {
if (!self.rail.visibility) self.showRail();
if (self.railh && !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 = opt.cursorfixedheight ? opt.cursorfixedheight : Math.max(opt.cursorminheight, self.cursorheight);
self.cursorwidth = Math.min(self.view.w, Math.round(self.view.w * (self.view.w / self.page.w)));
self.cursorwidth = opt.cursorfixedheight ? opt.cursorfixedheight : Math.max(opt.cursorminheight, self.cursorwidth);
self.scrollvaluemax = self.view.h - self.cursorheight - (opt.railpadding.top + opt.railpadding.bottom);
if (!self.hasborderbox) self.scrollvaluemax -= self.cursor[0].offsetHeight - self.cursor[0].clientHeight;
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 - (opt.railpadding.left + opt.railpadding.right);
}
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 = self.getScrollTop() / self.scrollratio.y | 0;
self.scroll.x = self.getScrollLeft() / self.scrollratio.x | 0;
if (self.cursoractive) self.noticeCursor();
}
if (self.scroll.y && self.getScrollTop() === 0) self.doScrollTo(self.scroll.y * self.scrollratio.y | 0);
return self;
};
this.resize = self.onResize;
var hlazyresize = 0;
this.onscreenresize = function (e) {
clearTimeout(hlazyresize);
var hiderails = !self.ispage && !self.haswrapper;
if (hiderails) self.hideRails();
hlazyresize = setTimeout(function () {
if (self) {
if (hiderails) self.showRails();
self.resize();
}
hlazyresize = 0;
}, 120);
};
this.lazyResize = function (tm) {
// event debounce
clearTimeout(hlazyresize);
tm = isNaN(tm) ? 240 : tm;
hlazyresize = setTimeout(function () {
self && self.resize();
hlazyresize = 0;
}, tm);
return self;
}; // derived 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) {
e = e || _win.event;
var event = {
original: e,
target: e.target || e.srcElement,
type: "wheel",
deltaMode: e.type == "MozMousePixelScroll" ? 0 : 1,
deltaX: 0,
deltaZ: 0,
preventDefault: function preventDefault() {
e.preventDefault ? e.preventDefault() : e.returnValue = false;
return false;
},
stopImmediatePropagation: function stopImmediatePropagation() {
e.stopImmediatePropagation ? e.stopImmediatePropagation() : e.cancelBubble = true;
}
};
if (name == "mousewheel") {
e.wheelDeltaX && (event.deltaX = -1 / 40 * e.wheelDeltaX);
e.wheelDeltaY && (event.deltaY = -1 / 40 * e.wheelDeltaY);
!event.deltaY && !event.deltaX && (event.deltaY = -1 / 40 * e.wheelDelta);
} else {
event.deltaY = e.detail;
}
return fn.call(dom, event);
}, bubble);
}
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).on(name, fn);
};
this.mousewheel = function (dom, fn, bubble) {
// bind mousewheel
var el = "jquery" in dom ? dom[0] : dom;
if ("onwheel" in _doc.createElement("div")) {
// Modern browsers support "wheel"
self._bind(el, "wheel", fn, bubble || false);
} else {
var wname = _doc.onmousewheel !== undefined ? "mousewheel" : "DOMMouseScroll"; // older Webkit+IE support or older Firefox
_modernWheelEvent(el, wname, fn, bubble || false);
if (wname == "DOMMouseScroll") _modernWheelEvent(el, "MozMousePixelScroll", fn, bubble || false); // Firefox legacy
}
};
var passiveSupported = false;
if (cap.haseventlistener) {
// W3C standard event model
// thanks to https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
try {
var options = Object.defineProperty({}, "passive", {
get: function get() {
passiveSupported = !0;
}
});
_win.addEventListener("test", null, options);
} catch (err) {}
this.stopPropagation = function (e) {
if (!e) return false;
e = e.original ? e.original : e;
e.stopPropagation();
return false;
};
this.cancelEvent = function (e) {
if (e.cancelable) e.preventDefault();
e.stopImmediatePropagation();
if (e.preventManipulation) e.preventManipulation(); // IE10+
return false;
};
} else {
// inspired from https://gist.github.com/jonathantneal/2415137
Event.prototype.preventDefault = function () {
this.returnValue = false;
};
Event.prototype.stopPropagation = function () {
this.cancelBubble = true;
};
_win.constructor.prototype.addEventListener = _doc.constructor.prototype.addEventListener = Element.prototype.addEventListener = function (type, listener, useCapture) {
this.attachEvent("on" + type, listener);
};
_win.constructor.prototype.removeEventListener = _doc.constructor.prototype.removeEventListener = Element.prototype.removeEventListener = function (type, listener, useCapture) {
this.detachEvent("on" + type, listener);
}; // Thanks to http://www.switchonthecode.com !!
this.cancelEvent = function (e) {
e = e || _win.event;
if (e) {
e.cancelBubble = true;
e.cancel = true;
e.returnValue = false;
}
return false;
};
this.stopPropagation = function (e) {
e = e || _win.event;
if (e) e.cancelBubble = true;
return false;
};
}
this.delegate = function (dom, name, fn, bubble, active) {
var de = delegatevents[name] || false;
if (!de) {
de = {
a: [],
l: [],
f: function f(e) {
var lst = de.l,
l = lst.length - 1;
var r = false;
for (var a = l; a >= 0; a--) {
r = lst[a].call(e.target, e);
if (r === false) return false;
}
return r;
}
};
self.bind(dom, name, de.f, bubble, active);
delegatevents[name] = de;
}
if (self.ispage) {
de.a = [self.id].concat(de.a);
de.l = [fn].concat(de.l);
} else {
de.a.push(self.id);
de.l.push(fn);
}
};
this.undelegate = function (dom, name, fn, bubble, active) {
var de = delegatevents[name] || false;
if (de && de.l) {
// quick fix #683
for (var a = 0, l = de.l.length; a < l; a++) {
if (de.a[a] === self.id) {
de.a.splice(a);
de.l.splice(a);
if (de.a.length === 0) {
self._unbind(dom, name, de.l.f);
delegatevents[name] = null;
}
}
}
}
};
this.bind = function (dom, name, fn, bubble, active) {
var el = "jquery" in dom ? dom[0] : dom;
self._bind(el, name, fn, bubble || false, active || false);
};
this._bind = function (el, name, fn, bubble, active) {
// primitive bind
self.events.push({
e: el,
n: name,
f: fn,
b: bubble,
q: false
});
passiveSupported && active ? el.addEventListener(name, fn, {
passive: false,
capture: bubble
}) : el.addEventListener(name, fn, bubble || false);
};
this._unbind = function (el, name, fn, bub) {
// primitive unbind
if (delegatevents[name]) self.undelegate(el, name, fn, bub);else el.removeEventListener(name, fn, bub);
};
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);
}
};
this.showRails = function () {
return self.showRail().showRailHr();
};
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) {
if (self.page.maxw !== 0 && (self.ispage || self.win.css('display') != 'none')) {
self.railh.visibility = true;
self.railh.css('display', 'block');
}
}
return self;
};
this.hideRails = function () {
return self.hideRail().hideRailHr();
};
this.hideRail = function () {
//self.visibility = false;
self.rail.visibility = false;
self.rail.css('display', 'none');
return self;
};
this.hideRailHr = function () {
if (self.railh) {
self.railh.visibility = false;
self.railh.css('display', 'none');
}
return self;
};
this.show = function () {
self.hidden = false;
self.railslocked = false;
return self.showRails();
};
this.hide = function () {
self.hidden = true;
self.railslocked = true;
return self.hideRails();
};
this.toggle = function () {
return self.hidden ? self.show() : self.hide();
};
this.remove = function () {
self.stop();
if (self.cursortimeout) clearTimeout(self.cursortimeout);
for (var n in self.delaylist) {
if (self.delaylist[n]) clearAnimationFrame(self.delaylist[n].h);
}
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();
if (self.observerbody !== false) self.observerbody.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], 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 && dom !== this.me[0] && !/^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);
if (/fixed|absolute/.test(dd.css("position"))) return dd;
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;
};
this.triggerScrollStart = function (cx, cy, rx, ry, ms) {
if (self.onscrollstart) {
var info = {
type: "scrollstart",
current: {
x: cx,
y: cy
},
request: {
x: rx,
y: ry
},
end: {
x: self.newscrollx,
y: self.newscrolly
},
speed: ms
};
self.onscrollstart.call(self, info);
}
};
this.triggerScrollEnd = function () {
if (self.onscrollend) {
var px = self.getScrollLeft();
var py = self.getScrollTop();
var info = {
type: "scrollend",
current: {
x: px,
y: py
},
end: {
x: px,
y: py
}
};
self.onscrollend.call(self, info);
}
};
var scrolldiry = 0,
scrolldirx = 0,
scrolltmr = 0,
scrollspd = 1;
function doScrollRelative(px, py, chkscroll, iswheel) {
if (!self.scrollrunning) {
self.newscrolly = self.getScrollTop();
self.newscrollx = self.getScrollLeft();
scrolltmr = now();
}
var gap = now() - scrolltmr;
scrolltmr = now();
if (gap > 350) {
scrollspd = 1;
} else {
scrollspd += (2 - scrollspd) / 10;
}
px = px * scrollspd | 0;
py = py * scrollspd | 0;
if (px) {
if (iswheel) {
// mouse-only
if (px < 0) {
// fix apple magic mouse swipe back/forward
if (self.getScrollLeft() >= self.page.maxw) return true;
} else {
if (self.getScrollLeft() <= 0) return true;
}
}
var dx = px > 0 ? 1 : -1;
if (scrolldirx !== dx) {
if (self.scrollmom) self.scrollmom.stop();
self.newscrollx = self.getScrollLeft();
scrolldirx = dx;
}
self.lastdeltax -= px;
}
if (py) {
var chk = function () {
var top = self.getScrollTop();
if (py < 0) {
if (top >= self.page.maxh) return true;
} else {
if (top <= 0) return true;
}
}();
if (chk) {
if (opt.nativeparentscrolling && chkscroll && !self.ispage && !self.zoomactive) return true;
var ny = self.view.h >> 1;
if (self.newscrolly < -ny) {
self.newscrolly = -ny;
py = -1;
} else if (self.newscrolly > self.page.maxh + ny) {
self.newscrolly = self.page.maxh + ny;
py = 1;
} else py = 0;
}
var dy = py > 0 ? 1 : -1;
if (scrolldiry !== dy) {
if (self.scrollmom) self.scrollmom.stop();
self.newscrolly = self.getScrollTop();
scrolldiry = dy;
}
self.lastdeltay -= py;
}
if (py || px) {
self.synched("relativexy", function () {
var dty = self.lastdeltay + self.newscrolly;
self.lastdeltay = 0;
var dtx = self.lastdeltax + self.newscrollx;
self.lastdeltax = 0;
if (!self.rail.drag) self.doScrollPos(dtx, dty);
});
}
}
var hasparentscrollingphase = false;
function execScrollWheel(e, hr, chkscroll) {
var px, py;
if (!chkscroll && hasparentscrollingphase) return true;
if (e.deltaMode === 0) {
// PIXEL
px = -(e.deltaX * (opt.mousescrollstep / (18 * 3))) | 0;
py = -(e.deltaY * (opt.mousescrollstep / (18 * 3))) | 0;
} else if (e.deltaMode === 1) {
// LINE
px = -(e.deltaX * opt.mousescrollstep * 50 / 80) | 0;
py = -(e.deltaY * opt.mousescrollstep * 50 / 80) | 0;
}
if (hr && opt.oneaxismousemode && px === 0 && py) {
// classic vertical-only mousewheel + browser with x/y support
px = py;
py = 0;
if (chkscroll) {
var hrend = px < 0 ? self.getScrollLeft() >= self.page.maxw : self.getScrollLeft() <= 0;
if (hrend) {
// preserve vertical scrolling
py = px;
px = 0;
}
}
} // invert horizontal direction for rtl mode
if (self.isrtlmode) px = -px;
var chk = doScrollRelative(px, py, chkscroll, true);
if (chk) {
if (chkscroll) hasparentscrollingphase = true;
} else {
hasparentscrollingphase = false;
e.stopImmediatePropagation();
return e.preventDefault();
}
}
this.onmousewheel = function (e) {
if (self.wheelprevented || self.locked) return false;
if (self.railslocked) {
self.debounced("checkunlock", self.resize, 250);
return false;
}
if (self.rail.drag) return self.cancelEvent(e);
if (opt.oneaxismousemode === "auto" && e.deltaX !== 0) opt.oneaxismousemode = false; // check two-axis mouse support (not very elegant)
if (opt.oneaxismousemode && e.deltaX === 0) {
if (!self.rail.scrollable) {
if (self.railh && self.railh.scrollable) {
return self.onmousewheelhr(e);
} else {
return true;
}
}
}
var nw = now();
var chk = false;
if (opt.preservenativescrolling && self.checkarea + 600 < nw) {
self.nativescrollingarea = self.isScrollable(e);
chk = true;
}
self.checkarea = nw;
if (self.nativescrollingarea) return true; // this isn't my business
var ret = execScrollWheel(e, false, chk);
if (ret) self.checkarea = 0;
return ret;
};
this.onmousewheelhr = function (e) {
if (self.wheelprevented) return;
if (self.railslocked || !self.railh.scrollable) return true;
if (self.rail.drag) return self.cancelEvent(e);
var nw = now();
var chk = false;
if (opt.preservenativescrolling && self.checkarea + 600 < nw) {
self.nativescrollingarea = self.isScrollable(e);
chk = true;
}
self.checkarea = nw;
if (self.nativescrollingarea) return true; // this is not my business
if (self.railslocked) 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) {
return 80 + dif / 72 * opt.scrollspeed | 0;
};
if (!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 && opt.usetransition && !!opt.smoothscroll) {
var lasttransitionstyle = '';
this.resetTransition = function () {
lasttransitionstyle = '';
self.doc.css(cap.prefixstyle + 'transition-duration', '0ms');
};
this.prepareTransition = function (dif, istime) {
var ex = istime ? dif : self.getTransitionSpeed(dif);
var trans = ex + 'ms';
if (lasttransitionstyle !== trans) {
lasttransitionstyle = trans;
self.doc.css(cap.prefixstyle + 'transition-duration', 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.cursorupdate = {
running: false,
start: function start() {
var m = this;
if (m.running) return;
m.running = true;
var loop = function loop() {
if (m.running) setAnimationFrame(loop);
self.showCursor(self.getScrollTop(), self.getScrollLeft());
self.notifyScrollEvent(self.win[0]);
};
setAnimationFrame(loop);
},
stop: function stop() {
this.running = false;
}
};
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 (!opt.bouncescroll) {
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;
} else {
if (y < 0) y = y / 2 | 0;else if (y > self.page.maxh) y = self.page.maxh + (y - self.page.maxh) / 2 | 0;
if (x < 0) x = x / 2 | 0;else if (x > self.page.maxw) x = self.page.maxw + (x - self.page.maxw) / 2 | 0;
}
if (self.scrollrunning && x == self.newscrollx && y == self.newscrolly) return false;
self.newscrolly = y;
self.newscrollx = x;
var top = self.getScrollTop();
var lft = self.getScrollLeft();
var dst = {};
dst.x = x - lft;
dst.y = y - top;
var dd = Math.sqrt(dst.x * dst.x + dst.y * dst.y) | 0;
var ms = self.prepareTransition(dd);
if (!self.scrollrunning) {
self.scrollrunning = true;
self.triggerScrollStart(lft, top, x, y, ms);
self.cursorupdate.start();
}
self.scrollendtrapped = true;
if (!cap.transitionend) {
if (self.scrollendtrapped) clearTimeout(self.scrollendtrapped);
self.scrollendtrapped = setTimeout(self.onScrollTransitionEnd, ms); // simulate transitionend event
}
self.setScrollTop(self.newscrolly);
self.setScrollLeft(self.newscrollx);
};
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.resetTransition();
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.cursorupdate.stop();
self.showCursor(py, px);
return self;
};
this.onScrollTransitionEnd = function () {
if (!self.scrollendtrapped) return;
var py = self.getScrollTop();
var px = self.getScrollLeft();
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, opt.snapbackspeed);
if (self.scrollrunning) self.triggerScrollEnd();
self.scrollrunning = false;
self.scrollendtrapped = false;
self.resetTransition();
self.timerscroll = false;
self.setScrollTop(py); // fire event onscroll
if (self.railh) self.setScrollLeft(px); // fire event onscroll left
self.cursorupdate.stop();
self.noticeCursor(false, py, px);
self.cursorfreezed = 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 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
var clipped = false;
if (!self.bouncescroll || !self.rail.visibility) {
if (y < 0) {
y = 0;
clipped = true;
} else if (y > self.page.maxh) {
y = self.page.maxh;
clipped = true;
}
}
if (!self.bouncescroll || !self.railh.visibility) {
if (x < 0) {
x = 0;
clipped = true;
} else if (x > self.page.maxw) {
x = self.page.maxw;
clipped = true;
}
}
if (self.scrollrunning && self.newscrolly === y && self.newscrollx === x) return true;
self.newscrolly = y;
self.newscrollx = x;
self.dst = {};
self.dst.x = x - px;
self.dst.y = y - py;
self.dst.px = px;
self.dst.py = py;
var dd = Math.sqrt(self.dst.x * self.dst.x + self.dst.y * self.dst.y) | 0;
var ms = self.getTransitionSpeed(dd);
self.bzscroll = {};
var p3 = clipped ? 1 : 0.58;
self.bzscroll.x = new BezierClass(px, self.newscrollx, ms, 0, 0, p3, 1);
self.bzscroll.y = new BezierClass(py, self.newscrolly, ms, 0, 0, p3, 1);
var loopid = now();
var loop = function loop() {
if (!self.scrollrunning) return;
var x = self.bzscroll.y.getPos();
self.setScrollLeft(self.bzscroll.x.getNow());
self.setScrollTop(self.bzscroll.y.getNow());
if (x <= 1) {
self.timer = setAnimationFrame(loop);
} else {
self.scrollrunning = false;
self.timer = 0;
self.triggerScrollEnd();
}
};
if (!self.scrollrunning) {
self.triggerScrollStart(px, py, x, y, ms);
self.scrollrunning = true;
self.timer = setAnimationFrame(loop);
}
};
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) {
doScrollRelative(0, stp);
};
this.doScrollLeftBy = function (stp, relative) {
doScrollRelative(stp, 0);
};
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() / self.scrollratio.y);
if (self.railh) self.scroll.x = Math.round(self.getScrollLeft() / 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] = 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,
zIndex: globalmaxzindex + 100,
margin: 0
});
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({
zIndex: globalmaxzindex + 101
});
self.zoom.css({
zIndex: globalmaxzindex + 102
});
self.zoom.css('backgroundPosition', '0 -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', '0 0');
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 ScrollMomentumClass2D(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.reset = function (px, py) {
self.stop();
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 tm = now();
self.steptime = tm - self.lasttime;
self.lasttime = tm;
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;
}
snap ? self.nc.doScrollPos(nx, ny, self.nc.opt.snapbackspeed) : self.nc.triggerScrollEnd();
};
this.doMomentum = function (gp) {
var t = now();
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 onscroll() {
var df = now() - 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 get(elem, computed, extra) {
var nice = $.data(elem, '__nicescroll') || false;
return nice && nice.ishwscroll ? nice.getScrollTop() : _scrollTop.call(elem);
},
set: function set(elem, value) {
var nice = $.data(elem, '__nicescroll') || false;
nice && nice.ishwscroll ? nice.setScrollTop(parseInt(value)) : _scrollTop.call(elem, value);
return this;
}
};
jQuery.fn.scrollTop = function (value) {
if (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 get(elem, computed, extra) {
var nice = $.data(elem, '__nicescroll') || false;
return nice && nice.ishwscroll ? nice.getScrollLeft() : _scrollLeft.call(elem);
},
set: function set(elem, value) {
var nice = $.data(elem, '__nicescroll') || false;
nice && nice.ishwscroll ? nice.setScrollLeft(parseInt(value)) : _scrollLeft.call(elem, value);
return this;
}
};
jQuery.fn.scrollLeft = function (value) {
if (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 NiceScrollArray(doms) {
var self = this;
this.length = 0;
this.name = "nicescrollarray";
this.each = function (fn) {
$.each(self, fn);
return self;
};
this.push = function (nice) {
self[self.length] = nice;
self.length++;
};
this.eq = function (idx) {
return self[idx];
};
if (doms) {
for (var 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, l = lst.length; a < l; 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 (index === undefined) {
return new NiceScrollArray(this);
} else {
return this[index] && $.data(this[index], '__nicescroll') || false;
}
};
var pseudos = jQuery.expr.pseudos || jQuery.expr[':']; // jQuery 3 migration
pseudos.nicescroll = function (a) {
return $.data(a, '__nicescroll') !== undefined;
};
$.fn.niceScroll = function (wrapper, _opt) {
if (_opt === undefined && _typeof(wrapper) == "object" && !("jquery" in wrapper)) {
_opt = wrapper;
wrapper = false;
}
var ret = new NiceScrollArray();
this.each(function () {
var $this = $(this);
var opt = $.extend({}, _opt); // cloning
if (wrapper || false) {
var wrp = $(wrapper);
opt.doc = wrp.length > 1 ? $(wrapper, $this) : wrp;
opt.win = $this;
}
var docundef = !("doc" in opt);
if (!docundef && !("win" in opt)) opt.win = $this;
var nice = $this.data('__nicescroll') || false;
if (!nice) {
opt.doc = opt.doc || $this;
nice = new NiceScrollClass(opt, $this);
$this.data('__nicescroll', nice);
}
ret.push(nice);
});
return ret.length === 1 ? ret[0] : ret;
};
_win.NiceScroll = {
getjQuery: function getjQuery() {
return jQuery;
}
};
if (!$.nicescroll) {
$.nicescroll = new NiceScrollArray();
$.nicescroll.options = _globaloptions;
}
});