59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = global || self, global.scrollPlugin = factory());
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}(this, function () { 'use strict';
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function delta(e) {
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return Math.max(-1, Math.min(1, e.wheelDelta || -e.deltaY));
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}
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var scroll = function (e) {
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e.preventDefault();
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var ev = new CustomEvent("increment", {
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bubbles: true
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});
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ev.delta = delta(e);
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e.target.dispatchEvent(ev);
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};
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function scrollMonth(fp) {
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return function (e) {
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e.preventDefault();
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var mDelta = delta(e);
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fp.changeMonth(mDelta);
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};
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}
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function scrollPlugin() {
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return function (fp) {
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var monthScroller = scrollMonth(fp);
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return {
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onReady: function () {
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if (fp.timeContainer) {
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fp.timeContainer.addEventListener("wheel", scroll);
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}
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fp.yearElements.forEach(function (yearElem) {
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return yearElem.addEventListener("wheel", scroll);
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});
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fp.monthElements.forEach(function (monthElem) {
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return monthElem.addEventListener("wheel", monthScroller);
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});
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fp.loadedPlugins.push("scroll");
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},
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onDestroy: function () {
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if (fp.timeContainer) {
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fp.timeContainer.removeEventListener("wheel", scroll);
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}
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fp.yearElements.forEach(function (yearElem) {
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return yearElem.removeEventListener("wheel", scroll);
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});
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fp.monthElements.forEach(function (monthElem) {
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return monthElem.removeEventListener("wheel", monthScroller);
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});
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}
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};
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};
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}
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return scrollPlugin;
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}));
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