vendor: 13,742 bytes, lines 1-161
1/*! nanoScrollerJS - v0.8.7 - (c) 2015 James Florentino; Licensed MIT */ 2 3!function (a) { 4 return "function" == typeof define && define.amd ? define(["jquery"], function (b) { 5 return a(b, window, document) 6 }) : "object" == typeof exports ? module.exports = a(require("jquery"), window, document) : a(jQuery, window, document) 7}(function (a, b, c) { 8 "use strict"; 9 var d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, A, B, C, D, E, F, G, H; 10 z = { 11 paneClass: "nano-pane", 12 sliderClass: "nano-slider", 13 contentClass: "nano-content", 14 enabledClass: "has-scrollbar", 15 flashedClass: "flashed", 16 activeClass: "active", 17 iOSNativeScrolling: !1, 18 preventPageScrolling: !1, 19 disableResize: !1, 20 alwaysVisible: !1, 21 flashDelay: 1500, 22 sliderMinHeight: 20, 23 sliderMaxHeight: null, 24 documentContext: null, 25 windowContext: null 26 }, u = "scrollbar", t = "scroll", l = "mousedown", m = "mouseenter", n = "mousemove", p = "mousewheel", o = "mouseup", s = "resize", h = "drag", i = "enter", w = "up", r = "panedown", f = "DOMMouseScroll", g = "down", x = "wheel", j = "keydown", k = "keyup", v = "touchmove", d = "Microsoft Internet Explorer" === b.navigator.appName && /msie 7./i.test(b.navigator.appVersion) && b.ActiveXObject, e = null, D = b.requestAnimationFrame, y = b.cancelAnimationFrame, F = c.createElement("div").style, H = function () { 27 var a, b, c, d, e, f; 28 for (d = ["t", "webkitT", "MozT", "msT", "OT"], a = e = 0, f = d.length; f > e; a = ++e)if (c = d[a], b = d[a] + "ransform", b in F)return d[a].substr(0, d[a].length - 1); 29 return !1 30 }(), G = function (a) { 31 return H === !1 ? !1 : "" === H ? a : H + a.charAt(0).toUpperCase() + a.substr(1) 32 }, E = G("transform"), B = E !== !1, A = function () { 33 var a, b, d; 34 return a = c.createElement("div"), b = a.style, b.position = "absolute", b.width = "100px", b.height = "100px", b.overflow = t, b.top = "-9999px", c.body.appendChild(a), d = a.offsetWidth - a.clientWidth, c.body.removeChild(a), d 35 }, C = function () { 36 var a, c, d; 37 return c = b.navigator.userAgent, (a = /(?=.+Mac OS X)(?=.+Firefox)/.test(c)) ? (d = /Firefox\/\d{2}\./.exec(c), d && (d = d[0].replace(/\D+/g, "")), a && +d > 23) : !1 38 }, q = function () { 39 function j(d, f) { 40 this.el = d, this.options = f, e || (e = A()), this.$el = a(this.el), this.doc = a(this.options.documentContext || c), this.win = a(this.options.windowContext || b), this.body = this.doc.find("body"), this.$content = this.$el.children("." + this.options.contentClass), this.$content.attr("tabindex", this.options.tabIndex || 0), this.content = this.$content[0], this.previousPosition = 0, this.options.iOSNativeScrolling && null != this.el.style.WebkitOverflowScrolling ? this.nativeScrolling() : this.generate(), this.createEvents(), this.addEvents(), this.reset() 41 } 42 43 return j.prototype.preventScrolling = function (a, b) { 44 if (this.isActive)if (a.type === f)(b === g && a.originalEvent.detail > 0 || b === w && a.originalEvent.detail < 0) && a.preventDefault(); else if (a.type === p) { 45 if (!a.originalEvent || !a.originalEvent.wheelDelta)return; 46 (b === g && a.originalEvent.wheelDelta < 0 || b === w && a.originalEvent.wheelDelta > 0) && a.preventDefault() 47 } 48 }, j.prototype.nativeScrolling = function () { 49 this.$content.css({WebkitOverflowScrolling: "touch"}), this.iOSNativeScrolling = !0, this.isActive = !0 50 }, j.prototype.updateScrollValues = function () { 51 var a, b; 52 a = this.content, this.maxScrollTop = a.scrollHeight - a.clientHeight, this.prevScrollTop = this.contentScrollTop || 0, this.contentScrollTop = a.scrollTop, b = this.contentScrollTop > this.previousPosition ? "down" : this.contentScrollTop < this.previousPosition ? "up" : "same", this.previousPosition = this.contentScrollTop, "same" !== b && this.$el.trigger("update", { 53 position: this.contentScrollTop, 54 maximum: this.maxScrollTop, 55 direction: b 56 }), this.iOSNativeScrolling || (this.maxSliderTop = this.paneHeight - this.sliderHeight, this.sliderTop = 0 === this.maxScrollTop ? 0 : this.contentScrollTop * this.maxSliderTop / this.maxScrollTop) 57 }, j.prototype.setOnScrollStyles = function () { 58 var a; 59 B ? (a = {}, a[E] = "translate(0, " + this.sliderTop + "px)") : a = {top: this.sliderTop}, D ? (y && this.scrollRAF && y(this.scrollRAF), this.scrollRAF = D(function (b) { 60 return function () { 61 return b.scrollRAF = null, b.slider.css(a) 62 } 63 }(this))) : this.slider.css(a) 64 }, j.prototype.createEvents = function () { 65 this.events = { 66 down: function (a) { 67 return function (b) { 68 return a.isBeingDragged = !0, a.offsetY = b.pageY - a.slider.offset().top, a.slider.is(b.target) || (a.offsetY = 0), a.pane.addClass(a.options.activeClass), a.doc.bind(n, a.events[h]).bind(o, a.events[w]), a.body.bind(m, a.events[i]), !1 69 } 70 }(this), drag: function (a) { 71 return function (b) { 72 return a.sliderY = b.pageY - a.$el.offset().top - a.paneTop - (a.offsetY || .5 * a.sliderHeight), a.scroll(), a.contentScrollTop >= a.maxScrollTop && a.prevScrollTop !== a.maxScrollTop ? a.$el.trigger("scrollend") : 0 === a.contentScrollTop && 0 !== a.prevScrollTop && a.$el.trigger("scrolltop"), !1 73 } 74 }(this), up: function (a) { 75 return function (b) { 76 return a.isBeingDragged = !1, a.pane.removeClass(a.options.activeClass), a.doc.unbind(n, a.events[h]).unbind(o, a.events[w]), a.body.unbind(m, a.events[i]), !1 77 } 78 }(this), resize: function (a) { 79 return function (b) { 80 a.reset() 81 } 82 }(this), panedown: function (a) { 83 return function (b) { 84 return a.sliderY = (b.offsetY || b.originalEvent.layerY) - .5 * a.sliderHeight, a.scroll(), a.events.down(b), !1 85 } 86 }(this), scroll: function (a) { 87 return function (b) { 88 a.updateScrollValues(), a.isBeingDragged || (a.iOSNativeScrolling || (a.sliderY = a.sliderTop, a.setOnScrollStyles()), null != b && (a.contentScrollTop >= a.maxScrollTop ? (a.options.preventPageScrolling && a.preventScrolling(b, g), a.prevScrollTop !== a.maxScrollTop && a.$el.trigger("scrollend")) : 0 === a.contentScrollTop && (a.options.preventPageScrolling && a.preventScrolling(b, w), 0 !== a.prevScrollTop && a.$el.trigger("scrolltop")))) 89 } 90 }(this), wheel: function (a) { 91 return function (b) { 92 var c; 93 if (null != b)return c = b.delta || b.wheelDelta || b.originalEvent && b.originalEvent.wheelDelta || -b.detail || b.originalEvent && -b.originalEvent.detail, c && (a.sliderY += -c / 3), a.scroll(), !1 94 } 95 }(this), enter: function (a) { 96 return function (b) { 97 var c; 98 if (a.isBeingDragged)return 1 !== (b.buttons || b.which) ? (c = a.events)[w].apply(c, arguments) : void 0 99 } 100 }(this) 101 } 102 }, j.prototype.addEvents = function () { 103 var a; 104 this.removeEvents(), a = this.events, this.options.disableResize || this.win.bind(s, a[s]), this.iOSNativeScrolling || (this.slider.bind(l, a[g]), this.pane.bind(l, a[r]).bind("" + p + " " + f, a[x])), this.$content.bind("" + t + " " + p + " " + f + " " + v, a[t]) 105 }, j.prototype.removeEvents = function () { 106 var a; 107 a = this.events, this.win.unbind(s, a[s]), this.iOSNativeScrolling || (this.slider.unbind(), this.pane.unbind()), this.$content.unbind("" + t + " " + p + " " + f + " " + v, a[t]) 108 }, j.prototype.generate = function () { 109 var a, c, d, f, g, h, i; 110 return f = this.options, h = f.paneClass, i = f.sliderClass, a = f.contentClass, (g = this.$el.children("." + h)).length || g.children("." + i).length || this.$el.append('<div class="' + h + '"><div class="' + i + '" /></div>'), this.pane = this.$el.children("." + h), this.slider = this.pane.find("." + i), 0 === e && C() ? (d = b.getComputedStyle(this.content, null).getPropertyValue("padding-right").replace(/[^0-9.]+/g, ""), c = { 111 right: -14, 112 paddingRight: +d + 14 113 }) : e && (c = {right: -e}, this.$el.addClass(f.enabledClass)), null != c && this.$content.css(c), this 114 }, j.prototype.restore = function () { 115 this.stopped = !1, this.iOSNativeScrolling || this.pane.show(), this.addEvents() 116 }, j.prototype.reset = function () { 117 var a, b, c, f, g, h, i, j, k, l, m, n; 118 return this.iOSNativeScrolling ? void(this.contentHeight = this.content.scrollHeight) : (this.$el.find("." + this.options.paneClass).length || this.generate().stop(), this.stopped && this.restore(), a = this.content, f = a.style, g = f.overflowY, d && this.$content.css({height: this.$content.height()}), b = a.scrollHeight + e, l = parseInt(this.$el.css("max-height"), 10), l > 0 && (this.$el.height(""), this.$el.height(a.scrollHeight > l ? l : a.scrollHeight)), i = this.pane.outerHeight(!1), k = parseInt(this.pane.css("top"), 10), h = parseInt(this.pane.css("bottom"), 10), j = i + k + h, n = Math.round(j / b * i), n < this.options.sliderMinHeight ? n = this.options.sliderMinHeight : null != this.options.sliderMaxHeight && n > this.options.sliderMaxHeight && (n = this.options.sliderMaxHeight), g === t && f.overflowX !== t && (n += e), this.maxSliderTop = j - n, this.contentHeight = b, this.paneHeight = i, this.paneOuterHeight = j, this.sliderHeight = n, this.paneTop = k, this.slider.height(n), this.events.scroll(), this.pane.show(), this.isActive = !0, a.scrollHeight === a.clientHeight || this.pane.outerHeight(!0) >= a.scrollHeight && g !== t ? (this.pane.hide(), this.isActive = !1) : this.el.clientHeight === a.scrollHeight && g === t ? this.slider.hide() : this.slider.show(), this.pane.css({ 119 opacity: this.options.alwaysVisible ? 1 : "", 120 visibility: this.options.alwaysVisible ? "visible" : "" 121 }), c = this.$content.css("position"), ("static" === c || "relative" === c) && (m = parseInt(this.$content.css("right"), 10), m && this.$content.css({ 122 right: "", 123 marginRight: m 124 })), this) 125 }, j.prototype.scroll = function () { 126 return this.isActive ? (this.sliderY = Math.max(0, this.sliderY), this.sliderY = Math.min(this.maxSliderTop, this.sliderY), this.$content.scrollTop(this.maxScrollTop * this.sliderY / this.maxSliderTop), this.iOSNativeScrolling || (this.updateScrollValues(), this.setOnScrollStyles()), this) : void 0 127 }, j.prototype.scrollBottom = function (a) { 128 return this.isActive ? (this.$content.scrollTop(this.contentHeight - this.$content.height() - a).trigger(p), this.stop().restore(), this) : void 0 129 }, j.prototype.scrollTop = function (a) { 130 return this.isActive ? (this.$content.scrollTop(+a).trigger(p), this.stop().restore(), this) : void 0 131 }, j.prototype.scrollTo = function (a) { 132 return this.isActive ? (this.scrollTop(this.$el.find(a).get(0).offsetTop), this) : void 0 133 }, j.prototype.stop = function () { 134 return y && this.scrollRAF && (y(this.scrollRAF), this.scrollRAF = null), this.stopped = !0, this.removeEvents(), this.iOSNativeScrolling || this.pane.hide(), this 135 }, j.prototype.destroy = function () { 136 return this.stopped || this.stop(), !this.iOSNativeScrolling && this.pane.length && this.pane.remove(), d && this.$content.height(""), this.$content.removeAttr("tabindex"), this.$el.hasClass(this.options.enabledClass) && (this.$el.removeClass(this.options.enabledClass), this.$content.css({right: ""})), this 137 }, j.prototype.flash = function () { 138 return !this.iOSNativeScrolling && this.isActive ? (this.reset(), this.pane.addClass(this.options.flashedClass), setTimeout(function (a) { 139 return function () { 140 a.pane.removeClass(a.options.flashedClass) 141 } 142 }(this), this.options.flashDelay), this) : void 0 143 }, j 144 }(), a.fn.nanoScroller = function (b) { 145 return this.each(function () { 146 var c, d; 147 if ((d = this.nanoscroller) || (c = a.extend({}, z, b), this.nanoscroller = d = new q(this, c)), b && "object" == typeof b) { 148 if (a.extend(d.options, b), null != b.scrollBottom)return d.scrollBottom(b.scrollBottom); 149 if (null != b.scrollTop)return d.scrollTop(b.scrollTop); 150 if (b.scrollTo)return d.scrollTo(b.scrollTo); 151 if ("bottom" === b.scroll)return d.scrollBottom(0); 152 if ("top" === b.scroll)return d.scrollTop(0); 153 if (b.scroll && b.scroll instanceof a)return d.scrollTo(b.scroll); 154 if (b.stop)return d.stop(); 155 if (b.destroy)return d.destroy(); 156 if (b.flash)return d.flash() 157 } 158 return d.reset() 159 }) 160 }, a.fn.nanoScroller.Constructor = q 161});
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