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8 lines
9.2 KiB
8 lines
9.2 KiB
// Generated by CoffeeScript 1.6.2
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/*
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jQuery Waypoints - v2.0.3
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Copyright (c) 2011-2013 Caleb Troughton
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Dual licensed under the MIT license and GPL license.
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https://github.com/imakewebthings/jquery-waypoints/blob/master/licenses.txt
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*/
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(function () { var t = [].indexOf || function (t) { for (var e = 0, n = this.length; e < n; e++) { if (e in this && this[e] === t) return e } return -1 }, e = [].slice; (function (t, e) { if (typeof define === "function" && define.amd) { return define("waypoints", ["jquery"], function (n) { return e(n, t) }) } else { return e(t.jQuery, t) } })(this, function (n, r) { var i, o, l, s, f, u, a, c, h, d, p, y, v, w, g, m; i = n(r); c = t.call(r, "ontouchstart") >= 0; s = { horizontal: {}, vertical: {} }; f = 1; a = {}; u = "waypoints-context-id"; p = "resize.waypoints"; y = "scroll.waypoints"; v = 1; w = "waypoints-waypoint-ids"; g = "waypoint"; m = "waypoints"; o = function () { function t(t) { var e = this; this.$element = t; this.element = t[0]; this.didResize = false; this.didScroll = false; this.id = "context" + f++; this.oldScroll = { x: t.scrollLeft(), y: t.scrollTop() }; this.waypoints = { horizontal: {}, vertical: {} }; t.data(u, this.id); a[this.id] = this; t.bind(y, function () { var t; if (!(e.didScroll || c)) { e.didScroll = true; t = function () { e.doScroll(); return e.didScroll = false }; return r.setTimeout(t, n[m].settings.scrollThrottle) } }); t.bind(p, function () { var t; if (!e.didResize) { e.didResize = true; t = function () { n[m]("refresh"); return e.didResize = false }; return r.setTimeout(t, n[m].settings.resizeThrottle) } }) } t.prototype.doScroll = function () { var t, e = this; t = { horizontal: { newScroll: this.$element.scrollLeft(), oldScroll: this.oldScroll.x, forward: "right", backward: "left" }, vertical: { newScroll: this.$element.scrollTop(), oldScroll: this.oldScroll.y, forward: "down", backward: "up" } }; if (c && (!t.vertical.oldScroll || !t.vertical.newScroll)) { n[m]("refresh") } n.each(t, function (t, r) { var i, o, l; l = []; o = r.newScroll > r.oldScroll; i = o ? r.forward : r.backward; n.each(e.waypoints[t], function (t, e) { var n, i; if (r.oldScroll < (n = e.offset) && n <= r.newScroll) { return l.push(e) } else if (r.newScroll < (i = e.offset) && i <= r.oldScroll) { return l.push(e) } }); l.sort(function (t, e) { return t.offset - e.offset }); if (!o) { l.reverse() } return n.each(l, function (t, e) { if (e.options.continuous || t === l.length - 1) { return e.trigger([i]) } }) }); return this.oldScroll = { x: t.horizontal.newScroll, y: t.vertical.newScroll } }; t.prototype.refresh = function () { var t, e, r, i = this; r = n.isWindow(this.element); e = this.$element.offset(); this.doScroll(); t = { horizontal: { contextOffset: r ? 0 : e.left, contextScroll: r ? 0 : this.oldScroll.x, contextDimension: this.$element.width(), oldScroll: this.oldScroll.x, forward: "right", backward: "left", offsetProp: "left" }, vertical: { contextOffset: r ? 0 : e.top, contextScroll: r ? 0 : this.oldScroll.y, contextDimension: r ? n[m]("viewportHeight") : this.$element.height(), oldScroll: this.oldScroll.y, forward: "down", backward: "up", offsetProp: "top" } }; return n.each(t, function (t, e) { return n.each(i.waypoints[t], function (t, r) { var i, o, l, s, f; i = r.options.offset; l = r.offset; o = n.isWindow(r.element) ? 0 : r.$element.offset()[e.offsetProp]; if (n.isFunction(i)) { i = i.apply(r.element) } else if (typeof i === "string") { i = parseFloat(i); if (r.options.offset.indexOf("%") > -1) { i = Math.ceil(e.contextDimension * i / 100) } } r.offset = o - e.contextOffset + e.contextScroll - i; if (r.options.onlyOnScroll && l != null || !r.enabled) { return } if (l !== null && l < (s = e.oldScroll) && s <= r.offset) { return r.trigger([e.backward]) } else if (l !== null && l > (f = e.oldScroll) && f >= r.offset) { return r.trigger([e.forward]) } else if (l === null && e.oldScroll >= r.offset) { return r.trigger([e.forward]) } }) }) }; t.prototype.checkEmpty = function () { if (n.isEmptyObject(this.waypoints.horizontal) && n.isEmptyObject(this.waypoints.vertical)) { this.$element.unbind([p, y].join(" ")); return delete a[this.id] } }; return t }(); l = function () { function t(t, e, r) { var i, o; r = n.extend({}, n.fn[g].defaults, r); if (r.offset === "bottom-in-view") { r.offset = function () { var t; t = n[m]("viewportHeight"); if (!n.isWindow(e.element)) { t = e.$element.height() } return t - n(this).outerHeight() } } this.$element = t; this.element = t[0]; this.axis = r.horizontal ? "horizontal" : "vertical"; this.callback = r.handler; this.context = e; this.enabled = r.enabled; this.id = "waypoints" + v++; this.offset = null; this.options = r; e.waypoints[this.axis][this.id] = this; s[this.axis][this.id] = this; i = (o = t.data(w)) != null ? o : []; i.push(this.id); t.data(w, i) } t.prototype.trigger = function (t) { if (!this.enabled) { return } if (this.callback != null) { this.callback.apply(this.element, t) } if (this.options.triggerOnce) { return this.destroy() } }; t.prototype.disable = function () { return this.enabled = false }; t.prototype.enable = function () { this.context.refresh(); return this.enabled = true }; t.prototype.destroy = function () { delete s[this.axis][this.id]; delete this.context.waypoints[this.axis][this.id]; return this.context.checkEmpty() }; t.getWaypointsByElement = function (t) { var e, r; r = n(t).data(w); if (!r) { return [] } e = n.extend({}, s.horizontal, s.vertical); return n.map(r, function (t) { return e[t] }) }; return t }(); d = { init: function (t, e) { var r; if (e == null) { e = {} } if ((r = e.handler) == null) { e.handler = t } this.each(function () { var t, r, i, s; t = n(this); i = (s = e.context) != null ? s : n.fn[g].defaults.context; if (!n.isWindow(i)) { i = t.closest(i) } i = n(i); r = a[i.data(u)]; if (!r) { r = new o(i) } return new l(t, r, e) }); n[m]("refresh"); return this }, disable: function () { return d._invoke(this, "disable") }, enable: function () { return d._invoke(this, "enable") }, destroy: function () { return d._invoke(this, "destroy") }, prev: function (t, e) { return d._traverse.call(this, t, e, function (t, e, n) { if (e > 0) { return t.push(n[e - 1]) } }) }, next: function (t, e) { return d._traverse.call(this, t, e, function (t, e, n) { if (e < n.length - 1) { return t.push(n[e + 1]) } }) }, _traverse: function (t, e, i) { var o, l; if (t == null) { t = "vertical" } if (e == null) { e = r } l = h.aggregate(e); o = []; this.each(function () { var e; e = n.inArray(this, l[t]); return i(o, e, l[t]) }); return this.pushStack(o) }, _invoke: function (t, e) { t.each(function () { var t; t = l.getWaypointsByElement(this); return n.each(t, function (t, n) { n[e](); return true }) }); return this } }; n.fn[g] = function () { var t, r; r = arguments[0], t = 2 <= arguments.length ? e.call(arguments, 1) : []; if (d[r]) { return d[r].apply(this, t) } else if (n.isFunction(r)) { return d.init.apply(this, arguments) } else if (n.isPlainObject(r)) { return d.init.apply(this, [null, r]) } else if (!r) { return n.error("jQuery Waypoints needs a callback function or handler option.") } else { return n.error("The " + r + " method does not exist in jQuery Waypoints.") } }; n.fn[g].defaults = { context: r, continuous: true, enabled: true, horizontal: false, offset: 0, triggerOnce: false }; h = { refresh: function () { return n.each(a, function (t, e) { return e.refresh() }) }, viewportHeight: function () { var t; return (t = r.innerHeight) != null ? t : i.height() }, aggregate: function (t) { var e, r, i; e = s; if (t) { e = (i = a[n(t).data(u)]) != null ? i.waypoints : void 0 } if (!e) { return [] } r = { horizontal: [], vertical: [] }; n.each(r, function (t, i) { n.each(e[t], function (t, e) { return i.push(e) }); i.sort(function (t, e) { return t.offset - e.offset }); r[t] = n.map(i, function (t) { return t.element }); return r[t] = n.unique(r[t]) }); return r }, above: function (t) { if (t == null) { t = r } return h._filter(t, "vertical", function (t, e) { return e.offset <= t.oldScroll.y }) }, below: function (t) { if (t == null) { t = r } return h._filter(t, "vertical", function (t, e) { return e.offset > t.oldScroll.y }) }, left: function (t) { if (t == null) { t = r } return h._filter(t, "horizontal", function (t, e) { return e.offset <= t.oldScroll.x }) }, right: function (t) { if (t == null) { t = r } return h._filter(t, "horizontal", function (t, e) { return e.offset > t.oldScroll.x }) }, enable: function () { return h._invoke("enable") }, disable: function () { return h._invoke("disable") }, destroy: function () { return h._invoke("destroy") }, extendFn: function (t, e) { return d[t] = e }, _invoke: function (t) { var e; e = n.extend({}, s.vertical, s.horizontal); return n.each(e, function (e, n) { n[t](); return true }) }, _filter: function (t, e, r) { var i, o; i = a[n(t).data(u)]; if (!i) { return [] } o = []; n.each(i.waypoints[e], function (t, e) { if (r(i, e)) { return o.push(e) } }); o.sort(function (t, e) { return t.offset - e.offset }); return n.map(o, function (t) { return t.element }) } }; n[m] = function () { var t, n; n = arguments[0], t = 2 <= arguments.length ? e.call(arguments, 1) : []; if (h[n]) { return h[n].apply(null, t) } else { return h.aggregate.call(null, n) } }; n[m].settings = { resizeThrottle: 100, scrollThrottle: 30 }; return i.load(function () { return n[m]("refresh") }) }) }).call(this);
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