datasurvey/src/main/webapp/content/js/perfect-scrollbar.min.js

687 lines
26 KiB
JavaScript

/*!
* perfect-scrollbar v1.4.0
* (c) 2018 Hyunje Jun
* @license MIT
*/
!(function (t, e) {
'object' == typeof exports && 'undefined' != typeof module
? (module.exports = e())
: 'function' == typeof define && define.amd
? define(e)
: (t.PerfectScrollbar = e());
})(this, function () {
'use strict';
function t(t) {
return getComputedStyle(t);
}
function e(t, e) {
for (var i in e) {
var r = e[i];
'number' == typeof r && (r += 'px'), (t.style[i] = r);
}
return t;
}
function i(t) {
var e = document.createElement('div');
return (e.className = t), e;
}
function r(t, e) {
if (!v) throw new Error('No element matching method supported');
return v.call(t, e);
}
function l(t) {
t.remove ? t.remove() : t.parentNode && t.parentNode.removeChild(t);
}
function n(t, e) {
return Array.prototype.filter.call(t.children, function (t) {
return r(t, e);
});
}
function o(t, e) {
var i = t.element.classList,
r = m.state.scrolling(e);
i.contains(r) ? clearTimeout(Y[e]) : i.add(r);
}
function s(t, e) {
Y[e] = setTimeout(function () {
return t.isAlive && t.element.classList.remove(m.state.scrolling(e));
}, t.settings.scrollingThreshold);
}
function a(t, e) {
o(t, e), s(t, e);
}
function c(t) {
if ('function' == typeof window.CustomEvent) return new CustomEvent(t);
var e = document.createEvent('CustomEvent');
return e.initCustomEvent(t, !1, !1, void 0), e;
}
function h(t, e, i, r, l) {
var n = i[0],
o = i[1],
s = i[2],
h = i[3],
u = i[4],
d = i[5];
void 0 === r && (r = !0), void 0 === l && (l = !1);
var f = t.element;
(t.reach[h] = null),
f[s] < 1 && (t.reach[h] = 'start'),
f[s] > t[n] - t[o] - 1 && (t.reach[h] = 'end'),
e &&
(f.dispatchEvent(c('ps-scroll-' + h)),
e < 0 ? f.dispatchEvent(c('ps-scroll-' + u)) : e > 0 && f.dispatchEvent(c('ps-scroll-' + d)),
r && a(t, h)),
t.reach[h] && (e || l) && f.dispatchEvent(c('ps-' + h + '-reach-' + t.reach[h]));
}
function u(t) {
return parseInt(t, 10) || 0;
}
function d(t) {
return (
r(t, 'input,[contenteditable]') ||
r(t, 'select,[contenteditable]') ||
r(t, 'textarea,[contenteditable]') ||
r(t, 'button,[contenteditable]')
);
}
function f(e) {
var i = t(e);
return u(i.width) + u(i.paddingLeft) + u(i.paddingRight) + u(i.borderLeftWidth) + u(i.borderRightWidth);
}
function p(t, e) {
return (
t.settings.minScrollbarLength && (e = Math.max(e, t.settings.minScrollbarLength)),
t.settings.maxScrollbarLength && (e = Math.min(e, t.settings.maxScrollbarLength)),
e
);
}
function b(t, i) {
var r = { width: i.railXWidth },
l = Math.floor(t.scrollTop);
i.isRtl ? (r.left = i.negativeScrollAdjustment + t.scrollLeft + i.containerWidth - i.contentWidth) : (r.left = t.scrollLeft),
i.isScrollbarXUsingBottom ? (r.bottom = i.scrollbarXBottom - l) : (r.top = i.scrollbarXTop + l),
e(i.scrollbarXRail, r);
var n = { top: l, height: i.railYHeight };
i.isScrollbarYUsingRight
? i.isRtl
? (n.right = i.contentWidth - (i.negativeScrollAdjustment + t.scrollLeft) - i.scrollbarYRight - i.scrollbarYOuterWidth)
: (n.right = i.scrollbarYRight - t.scrollLeft)
: i.isRtl
? (n.left =
i.negativeScrollAdjustment + t.scrollLeft + 2 * i.containerWidth - i.contentWidth - i.scrollbarYLeft - i.scrollbarYOuterWidth)
: (n.left = i.scrollbarYLeft + t.scrollLeft),
e(i.scrollbarYRail, n),
e(i.scrollbarX, { left: i.scrollbarXLeft, width: i.scrollbarXWidth - i.railBorderXWidth }),
e(i.scrollbarY, { top: i.scrollbarYTop, height: i.scrollbarYHeight - i.railBorderYWidth });
}
function g(t, e) {
function i(e) {
(b[d] = g + Y * (e[a] - v)), o(t, f), R(t), e.stopPropagation(), e.preventDefault();
}
function r() {
s(t, f), t[p].classList.remove(m.state.clicking), t.event.unbind(t.ownerDocument, 'mousemove', i);
}
var l = e[0],
n = e[1],
a = e[2],
c = e[3],
h = e[4],
u = e[5],
d = e[6],
f = e[7],
p = e[8],
b = t.element,
g = null,
v = null,
Y = null;
t.event.bind(t[h], 'mousedown', function (e) {
(g = b[d]),
(v = e[a]),
(Y = (t[n] - t[l]) / (t[c] - t[u])),
t.event.bind(t.ownerDocument, 'mousemove', i),
t.event.once(t.ownerDocument, 'mouseup', r),
t[p].classList.add(m.state.clicking),
e.stopPropagation(),
e.preventDefault();
});
}
var v =
'undefined' != typeof Element &&
(Element.prototype.matches ||
Element.prototype.webkitMatchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector),
m = {
main: 'ps',
element: {
thumb: function (t) {
return 'ps__thumb-' + t;
},
rail: function (t) {
return 'ps__rail-' + t;
},
consuming: 'ps__child--consume',
},
state: {
focus: 'ps--focus',
clicking: 'ps--clicking',
active: function (t) {
return 'ps--active-' + t;
},
scrolling: function (t) {
return 'ps--scrolling-' + t;
},
},
},
Y = { x: null, y: null },
X = function (t) {
(this.element = t), (this.handlers = {});
},
w = { isEmpty: { configurable: !0 } };
(X.prototype.bind = function (t, e) {
void 0 === this.handlers[t] && (this.handlers[t] = []), this.handlers[t].push(e), this.element.addEventListener(t, e, !1);
}),
(X.prototype.unbind = function (t, e) {
var i = this;
this.handlers[t] = this.handlers[t].filter(function (r) {
return !(!e || r === e) || (i.element.removeEventListener(t, r, !1), !1);
});
}),
(X.prototype.unbindAll = function () {
var t = this;
for (var e in t.handlers) t.unbind(e);
}),
(w.isEmpty.get = function () {
var t = this;
return Object.keys(this.handlers).every(function (e) {
return 0 === t.handlers[e].length;
});
}),
Object.defineProperties(X.prototype, w);
var y = function () {
this.eventElements = [];
};
(y.prototype.eventElement = function (t) {
var e = this.eventElements.filter(function (e) {
return e.element === t;
})[0];
return e || ((e = new X(t)), this.eventElements.push(e)), e;
}),
(y.prototype.bind = function (t, e, i) {
this.eventElement(t).bind(e, i);
}),
(y.prototype.unbind = function (t, e, i) {
var r = this.eventElement(t);
r.unbind(e, i), r.isEmpty && this.eventElements.splice(this.eventElements.indexOf(r), 1);
}),
(y.prototype.unbindAll = function () {
this.eventElements.forEach(function (t) {
return t.unbindAll();
}),
(this.eventElements = []);
}),
(y.prototype.once = function (t, e, i) {
var r = this.eventElement(t),
l = function (t) {
r.unbind(e, l), i(t);
};
r.bind(e, l);
});
var W = function (t, e, i, r, l) {
void 0 === r && (r = !0), void 0 === l && (l = !1);
var n;
if ('top' === e) n = ['contentHeight', 'containerHeight', 'scrollTop', 'y', 'up', 'down'];
else {
if ('left' !== e) throw new Error('A proper axis should be provided');
n = ['contentWidth', 'containerWidth', 'scrollLeft', 'x', 'left', 'right'];
}
h(t, i, n, r, l);
},
L = {
isWebKit: 'undefined' != typeof document && 'WebkitAppearance' in document.documentElement.style,
supportsTouch:
'undefined' != typeof window && ('ontouchstart' in window || (window.DocumentTouch && document instanceof window.DocumentTouch)),
supportsIePointer: 'undefined' != typeof navigator && navigator.msMaxTouchPoints,
isChrome: 'undefined' != typeof navigator && /Chrome/i.test(navigator && navigator.userAgent),
},
R = function (t) {
var e = t.element,
i = Math.floor(e.scrollTop);
(t.containerWidth = e.clientWidth),
(t.containerHeight = e.clientHeight),
(t.contentWidth = e.scrollWidth),
(t.contentHeight = e.scrollHeight),
e.contains(t.scrollbarXRail) ||
(n(e, m.element.rail('x')).forEach(function (t) {
return l(t);
}),
e.appendChild(t.scrollbarXRail)),
e.contains(t.scrollbarYRail) ||
(n(e, m.element.rail('y')).forEach(function (t) {
return l(t);
}),
e.appendChild(t.scrollbarYRail)),
!t.settings.suppressScrollX && t.containerWidth + t.settings.scrollXMarginOffset < t.contentWidth
? ((t.scrollbarXActive = !0),
(t.railXWidth = t.containerWidth - t.railXMarginWidth),
(t.railXRatio = t.containerWidth / t.railXWidth),
(t.scrollbarXWidth = p(t, u((t.railXWidth * t.containerWidth) / t.contentWidth))),
(t.scrollbarXLeft = u(
((t.negativeScrollAdjustment + e.scrollLeft) * (t.railXWidth - t.scrollbarXWidth)) / (t.contentWidth - t.containerWidth)
)))
: (t.scrollbarXActive = !1),
!t.settings.suppressScrollY && t.containerHeight + t.settings.scrollYMarginOffset < t.contentHeight
? ((t.scrollbarYActive = !0),
(t.railYHeight = t.containerHeight - t.railYMarginHeight),
(t.railYRatio = t.containerHeight / t.railYHeight),
(t.scrollbarYHeight = p(t, u((t.railYHeight * t.containerHeight) / t.contentHeight))),
(t.scrollbarYTop = u((i * (t.railYHeight - t.scrollbarYHeight)) / (t.contentHeight - t.containerHeight))))
: (t.scrollbarYActive = !1),
t.scrollbarXLeft >= t.railXWidth - t.scrollbarXWidth && (t.scrollbarXLeft = t.railXWidth - t.scrollbarXWidth),
t.scrollbarYTop >= t.railYHeight - t.scrollbarYHeight && (t.scrollbarYTop = t.railYHeight - t.scrollbarYHeight),
b(e, t),
t.scrollbarXActive
? e.classList.add(m.state.active('x'))
: (e.classList.remove(m.state.active('x')), (t.scrollbarXWidth = 0), (t.scrollbarXLeft = 0), (e.scrollLeft = 0)),
t.scrollbarYActive
? e.classList.add(m.state.active('y'))
: (e.classList.remove(m.state.active('y')), (t.scrollbarYHeight = 0), (t.scrollbarYTop = 0), (e.scrollTop = 0));
},
T = {
'click-rail': function (t) {
t.event.bind(t.scrollbarY, 'mousedown', function (t) {
return t.stopPropagation();
}),
t.event.bind(t.scrollbarYRail, 'mousedown', function (e) {
var i = e.pageY - window.pageYOffset - t.scrollbarYRail.getBoundingClientRect().top > t.scrollbarYTop ? 1 : -1;
(t.element.scrollTop += i * t.containerHeight), R(t), e.stopPropagation();
}),
t.event.bind(t.scrollbarX, 'mousedown', function (t) {
return t.stopPropagation();
}),
t.event.bind(t.scrollbarXRail, 'mousedown', function (e) {
var i = e.pageX - window.pageXOffset - t.scrollbarXRail.getBoundingClientRect().left > t.scrollbarXLeft ? 1 : -1;
(t.element.scrollLeft += i * t.containerWidth), R(t), e.stopPropagation();
});
},
'drag-thumb': function (t) {
g(t, [
'containerWidth',
'contentWidth',
'pageX',
'railXWidth',
'scrollbarX',
'scrollbarXWidth',
'scrollLeft',
'x',
'scrollbarXRail',
]),
g(t, [
'containerHeight',
'contentHeight',
'pageY',
'railYHeight',
'scrollbarY',
'scrollbarYHeight',
'scrollTop',
'y',
'scrollbarYRail',
]);
},
keyboard: function (t) {
function e(e, r) {
var l = Math.floor(i.scrollTop);
if (0 === e) {
if (!t.scrollbarYActive) return !1;
if ((0 === l && r > 0) || (l >= t.contentHeight - t.containerHeight && r < 0)) return !t.settings.wheelPropagation;
}
var n = i.scrollLeft;
if (0 === r) {
if (!t.scrollbarXActive) return !1;
if ((0 === n && e < 0) || (n >= t.contentWidth - t.containerWidth && e > 0)) return !t.settings.wheelPropagation;
}
return !0;
}
var i = t.element,
l = function () {
return r(i, ':hover');
},
n = function () {
return r(t.scrollbarX, ':focus') || r(t.scrollbarY, ':focus');
};
t.event.bind(t.ownerDocument, 'keydown', function (r) {
if (!((r.isDefaultPrevented && r.isDefaultPrevented()) || r.defaultPrevented) && (l() || n())) {
var o = document.activeElement ? document.activeElement : t.ownerDocument.activeElement;
if (o) {
if ('IFRAME' === o.tagName) o = o.contentDocument.activeElement;
else for (; o.shadowRoot; ) o = o.shadowRoot.activeElement;
if (d(o)) return;
}
var s = 0,
a = 0;
switch (r.which) {
case 37:
s = r.metaKey ? -t.contentWidth : r.altKey ? -t.containerWidth : -30;
break;
case 38:
a = r.metaKey ? t.contentHeight : r.altKey ? t.containerHeight : 30;
break;
case 39:
s = r.metaKey ? t.contentWidth : r.altKey ? t.containerWidth : 30;
break;
case 40:
a = r.metaKey ? -t.contentHeight : r.altKey ? -t.containerHeight : -30;
break;
case 32:
a = r.shiftKey ? t.containerHeight : -t.containerHeight;
break;
case 33:
a = t.containerHeight;
break;
case 34:
a = -t.containerHeight;
break;
case 36:
a = t.contentHeight;
break;
case 35:
a = -t.contentHeight;
break;
default:
return;
}
(t.settings.suppressScrollX && 0 !== s) ||
(t.settings.suppressScrollY && 0 !== a) ||
((i.scrollTop -= a), (i.scrollLeft += s), R(t), e(s, a) && r.preventDefault());
}
});
},
wheel: function (e) {
function i(t, i) {
var r = Math.floor(o.scrollTop),
l = 0 === o.scrollTop,
n = r + o.offsetHeight === o.scrollHeight,
s = 0 === o.scrollLeft,
a = o.scrollLeft + o.offsetWidth === o.scrollWidth;
return !(Math.abs(i) > Math.abs(t) ? l || n : s || a) || !e.settings.wheelPropagation;
}
function r(t) {
var e = t.deltaX,
i = -1 * t.deltaY;
return (
(void 0 !== e && void 0 !== i) || ((e = (-1 * t.wheelDeltaX) / 6), (i = t.wheelDeltaY / 6)),
t.deltaMode && 1 === t.deltaMode && ((e *= 10), (i *= 10)),
e !== e && i !== i && ((e = 0), (i = t.wheelDelta)),
t.shiftKey ? [-i, -e] : [e, i]
);
}
function l(e, i, r) {
if (!L.isWebKit && o.querySelector('select:focus')) return !0;
if (!o.contains(e)) return !1;
for (var l = e; l && l !== o; ) {
if (l.classList.contains(m.element.consuming)) return !0;
var n = t(l);
if ([n.overflow, n.overflowX, n.overflowY].join('').match(/(scroll|auto)/)) {
var s = l.scrollHeight - l.clientHeight;
if (s > 0 && !((0 === l.scrollTop && r > 0) || (l.scrollTop === s && r < 0))) return !0;
var a = l.scrollWidth - l.clientWidth;
if (a > 0 && !((0 === l.scrollLeft && i < 0) || (l.scrollLeft === a && i > 0))) return !0;
}
l = l.parentNode;
}
return !1;
}
function n(t) {
var n = r(t),
s = n[0],
a = n[1];
if (!l(t.target, s, a)) {
var c = !1;
e.settings.useBothWheelAxes
? e.scrollbarYActive && !e.scrollbarXActive
? (a ? (o.scrollTop -= a * e.settings.wheelSpeed) : (o.scrollTop += s * e.settings.wheelSpeed), (c = !0))
: e.scrollbarXActive &&
!e.scrollbarYActive &&
(s ? (o.scrollLeft += s * e.settings.wheelSpeed) : (o.scrollLeft -= a * e.settings.wheelSpeed), (c = !0))
: ((o.scrollTop -= a * e.settings.wheelSpeed), (o.scrollLeft += s * e.settings.wheelSpeed)),
R(e),
(c = c || i(s, a)) && !t.ctrlKey && (t.stopPropagation(), t.preventDefault());
}
}
var o = e.element;
void 0 !== window.onwheel ? e.event.bind(o, 'wheel', n) : void 0 !== window.onmousewheel && e.event.bind(o, 'mousewheel', n);
},
touch: function (e) {
function i(t, i) {
var r = Math.floor(h.scrollTop),
l = h.scrollLeft,
n = Math.abs(t),
o = Math.abs(i);
if (o > n) {
if ((i < 0 && r === e.contentHeight - e.containerHeight) || (i > 0 && 0 === r))
return 0 === window.scrollY && i > 0 && L.isChrome;
} else if (n > o && ((t < 0 && l === e.contentWidth - e.containerWidth) || (t > 0 && 0 === l))) return !0;
return !0;
}
function r(t, i) {
(h.scrollTop -= i), (h.scrollLeft -= t), R(e);
}
function l(t) {
return t.targetTouches ? t.targetTouches[0] : t;
}
function n(t) {
return !(
(t.pointerType && 'pen' === t.pointerType && 0 === t.buttons) ||
((!t.targetTouches || 1 !== t.targetTouches.length) &&
(!t.pointerType || 'mouse' === t.pointerType || t.pointerType === t.MSPOINTER_TYPE_MOUSE))
);
}
function o(t) {
if (n(t)) {
var e = l(t);
(u.pageX = e.pageX), (u.pageY = e.pageY), (d = new Date().getTime()), null !== p && clearInterval(p);
}
}
function s(e, i, r) {
if (!h.contains(e)) return !1;
for (var l = e; l && l !== h; ) {
if (l.classList.contains(m.element.consuming)) return !0;
var n = t(l);
if ([n.overflow, n.overflowX, n.overflowY].join('').match(/(scroll|auto)/)) {
var o = l.scrollHeight - l.clientHeight;
if (o > 0 && !((0 === l.scrollTop && r > 0) || (l.scrollTop === o && r < 0))) return !0;
var s = l.scrollLeft - l.clientWidth;
if (s > 0 && !((0 === l.scrollLeft && i < 0) || (l.scrollLeft === s && i > 0))) return !0;
}
l = l.parentNode;
}
return !1;
}
function a(t) {
if (n(t)) {
var e = l(t),
o = { pageX: e.pageX, pageY: e.pageY },
a = o.pageX - u.pageX,
c = o.pageY - u.pageY;
if (s(t.target, a, c)) return;
r(a, c), (u = o);
var h = new Date().getTime(),
p = h - d;
p > 0 && ((f.x = a / p), (f.y = c / p), (d = h)), i(a, c) && t.preventDefault();
}
}
function c() {
e.settings.swipeEasing &&
(clearInterval(p),
(p = setInterval(function () {
e.isInitialized
? clearInterval(p)
: f.x || f.y
? Math.abs(f.x) < 0.01 && Math.abs(f.y) < 0.01
? clearInterval(p)
: (r(30 * f.x, 30 * f.y), (f.x *= 0.8), (f.y *= 0.8))
: clearInterval(p);
}, 10)));
}
if (L.supportsTouch || L.supportsIePointer) {
var h = e.element,
u = {},
d = 0,
f = {},
p = null;
L.supportsTouch
? (e.event.bind(h, 'touchstart', o), e.event.bind(h, 'touchmove', a), e.event.bind(h, 'touchend', c))
: L.supportsIePointer &&
(window.PointerEvent
? (e.event.bind(h, 'pointerdown', o), e.event.bind(h, 'pointermove', a), e.event.bind(h, 'pointerup', c))
: window.MSPointerEvent &&
(e.event.bind(h, 'MSPointerDown', o), e.event.bind(h, 'MSPointerMove', a), e.event.bind(h, 'MSPointerUp', c)));
}
},
},
H = function (r, l) {
var n = this;
if ((void 0 === l && (l = {}), 'string' == typeof r && (r = document.querySelector(r)), !r || !r.nodeName))
throw new Error('no element is specified to initialize PerfectScrollbar');
(this.element = r),
r.classList.add(m.main),
(this.settings = {
handlers: ['click-rail', 'drag-thumb', 'keyboard', 'wheel', 'touch'],
maxScrollbarLength: null,
minScrollbarLength: null,
scrollingThreshold: 1e3,
scrollXMarginOffset: 0,
scrollYMarginOffset: 0,
suppressScrollX: !1,
suppressScrollY: !1,
swipeEasing: !0,
useBothWheelAxes: !1,
wheelPropagation: !0,
wheelSpeed: 1,
});
for (var o in l) n.settings[o] = l[o];
(this.containerWidth = null), (this.containerHeight = null), (this.contentWidth = null), (this.contentHeight = null);
var s = function () {
return r.classList.add(m.state.focus);
},
a = function () {
return r.classList.remove(m.state.focus);
};
(this.isRtl = 'rtl' === t(r).direction),
(this.isNegativeScroll = (function () {
var t = r.scrollLeft,
e = null;
return (r.scrollLeft = -1), (e = r.scrollLeft < 0), (r.scrollLeft = t), e;
})()),
(this.negativeScrollAdjustment = this.isNegativeScroll ? r.scrollWidth - r.clientWidth : 0),
(this.event = new y()),
(this.ownerDocument = r.ownerDocument || document),
(this.scrollbarXRail = i(m.element.rail('x'))),
r.appendChild(this.scrollbarXRail),
(this.scrollbarX = i(m.element.thumb('x'))),
this.scrollbarXRail.appendChild(this.scrollbarX),
this.scrollbarX.setAttribute('tabindex', 0),
this.event.bind(this.scrollbarX, 'focus', s),
this.event.bind(this.scrollbarX, 'blur', a),
(this.scrollbarXActive = null),
(this.scrollbarXWidth = null),
(this.scrollbarXLeft = null);
var c = t(this.scrollbarXRail);
(this.scrollbarXBottom = parseInt(c.bottom, 10)),
isNaN(this.scrollbarXBottom)
? ((this.isScrollbarXUsingBottom = !1), (this.scrollbarXTop = u(c.top)))
: (this.isScrollbarXUsingBottom = !0),
(this.railBorderXWidth = u(c.borderLeftWidth) + u(c.borderRightWidth)),
e(this.scrollbarXRail, { display: 'block' }),
(this.railXMarginWidth = u(c.marginLeft) + u(c.marginRight)),
e(this.scrollbarXRail, { display: '' }),
(this.railXWidth = null),
(this.railXRatio = null),
(this.scrollbarYRail = i(m.element.rail('y'))),
r.appendChild(this.scrollbarYRail),
(this.scrollbarY = i(m.element.thumb('y'))),
this.scrollbarYRail.appendChild(this.scrollbarY),
this.scrollbarY.setAttribute('tabindex', 0),
this.event.bind(this.scrollbarY, 'focus', s),
this.event.bind(this.scrollbarY, 'blur', a),
(this.scrollbarYActive = null),
(this.scrollbarYHeight = null),
(this.scrollbarYTop = null);
var h = t(this.scrollbarYRail);
(this.scrollbarYRight = parseInt(h.right, 10)),
isNaN(this.scrollbarYRight)
? ((this.isScrollbarYUsingRight = !1), (this.scrollbarYLeft = u(h.left)))
: (this.isScrollbarYUsingRight = !0),
(this.scrollbarYOuterWidth = this.isRtl ? f(this.scrollbarY) : null),
(this.railBorderYWidth = u(h.borderTopWidth) + u(h.borderBottomWidth)),
e(this.scrollbarYRail, { display: 'block' }),
(this.railYMarginHeight = u(h.marginTop) + u(h.marginBottom)),
e(this.scrollbarYRail, { display: '' }),
(this.railYHeight = null),
(this.railYRatio = null),
(this.reach = {
x: r.scrollLeft <= 0 ? 'start' : r.scrollLeft >= this.contentWidth - this.containerWidth ? 'end' : null,
y: r.scrollTop <= 0 ? 'start' : r.scrollTop >= this.contentHeight - this.containerHeight ? 'end' : null,
}),
(this.isAlive = !0),
this.settings.handlers.forEach(function (t) {
return T[t](n);
}),
(this.lastScrollTop = Math.floor(r.scrollTop)),
(this.lastScrollLeft = r.scrollLeft),
this.event.bind(this.element, 'scroll', function (t) {
return n.onScroll(t);
}),
R(this);
};
return (
(H.prototype.update = function () {
this.isAlive &&
((this.negativeScrollAdjustment = this.isNegativeScroll ? this.element.scrollWidth - this.element.clientWidth : 0),
e(this.scrollbarXRail, { display: 'block' }),
e(this.scrollbarYRail, { display: 'block' }),
(this.railXMarginWidth = u(t(this.scrollbarXRail).marginLeft) + u(t(this.scrollbarXRail).marginRight)),
(this.railYMarginHeight = u(t(this.scrollbarYRail).marginTop) + u(t(this.scrollbarYRail).marginBottom)),
e(this.scrollbarXRail, { display: 'none' }),
e(this.scrollbarYRail, { display: 'none' }),
R(this),
W(this, 'top', 0, !1, !0),
W(this, 'left', 0, !1, !0),
e(this.scrollbarXRail, { display: '' }),
e(this.scrollbarYRail, { display: '' }));
}),
(H.prototype.onScroll = function (t) {
this.isAlive &&
(R(this),
W(this, 'top', this.element.scrollTop - this.lastScrollTop),
W(this, 'left', this.element.scrollLeft - this.lastScrollLeft),
(this.lastScrollTop = Math.floor(this.element.scrollTop)),
(this.lastScrollLeft = this.element.scrollLeft));
}),
(H.prototype.destroy = function () {
this.isAlive &&
(this.event.unbindAll(),
l(this.scrollbarX),
l(this.scrollbarY),
l(this.scrollbarXRail),
l(this.scrollbarYRail),
this.removePsClasses(),
(this.element = null),
(this.scrollbarX = null),
(this.scrollbarY = null),
(this.scrollbarXRail = null),
(this.scrollbarYRail = null),
(this.isAlive = !1));
}),
(H.prototype.removePsClasses = function () {
this.element.className = this.element.className
.split(' ')
.filter(function (t) {
return !t.match(/^ps([-_].+|)$/);
})
.join(' ');
}),
H
);
});