137 lines
4.1 KiB
JavaScript
137 lines
4.1 KiB
JavaScript
(function () {
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/**
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* @description 监听滚动高度，是否显示返回顶部
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*/
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function myCustomFn(el) {
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if (el.mcs.top < -600) {
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if ($('#return-top').css('opacity') === '0') {
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$('#return-top').velocity('stop').velocity({opacity: 1}, {
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duration: 500,
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display: 'block'
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});
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}
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} else {
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$('#return-top').velocity('stop').velocity({opacity: 0}, {
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duration: 500,
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display: 'none'
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});
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}
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}
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/**
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* @description 阅读进度
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* @param el
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*/
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function readPercent(el) {
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// console.log(el.mcs.content[0].offsetHeight);
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let percent = Math.round(-el.mcs.top / (el.mcs.content[0].offsetHeight - el.offsetHeight) * 100);
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$('.sidebar-toc-progress .progress-num').text(percent);
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$('.sidebar-toc-progress-bar').velocity('stop').velocity({width: percent + '%'}, {
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duration: 100,
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easing: 'easeInOutQuart'
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});
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}
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/**
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* @description 滚动到页面顶部
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*/
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$('#return-top').on('click', function () {
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$('#content-outer').mCustomScrollbar('scrollTo', 'top', {
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scrollInertia: 1000,
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scrollEasing: 'easeInOut'
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});
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});
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/**
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* @description 滚动条修饰 - jquery 插件
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*/
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$('#content-outer').mCustomScrollbar({
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theme: 'minimal',
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axis: 'y', // horizontal scrollbar
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callbacks: {
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whileScrolling: function () {
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myCustomFn(this);
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readPercent(this);
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findHeadPosition(this);
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},
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onScroll: function () {
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}
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}
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});
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$('#sidebar-toc-content').mCustomScrollbar({
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theme: 'minimal',
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axis: 'y', // horizontal scrollbar
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callbacks: {}
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});
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// $('figure.highlight').mCustomScrollbar({
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// theme: 'minimal',
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// axis: 'x', // horizontal scrollbar
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// mouseWheel: {
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// enable: false
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// },
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// callbacks: {}
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// });
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/**
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* @description menu link scroll to content
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*/
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$('.sidebar-toc-content .toc-link').on('click', function (e) {
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e.preventDefault();
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let _id = $(this).attr('href');
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$('#content-outer').mCustomScrollbar('scrollTo', _id, {
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scrollInertia: 500
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});
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});
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/**
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* @description 找到当前页面的位置，更改 active 目录
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* @param el
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*/
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function findHeadPosition(el) {
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let currentId = '';
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const menuHeight = $('#menu-outer').height() + 1;
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// console.log(el.mcs);
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let list = $('#post').find('h1,h2,h3,h4,h5,h6');
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list.each(function () {
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if ($(this).offset().top <= menuHeight) {
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currentId = $(this).attr('id');
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}
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});
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$('.sidebar-toc-content .toc-link').removeClass('active');
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if (currentId === '') {
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// currentId = list[0].id;
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return;
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}
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let $this = $('.sidebar-toc-content .toc-link[href="#' + currentId + '"]');
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$this.addClass('active');
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let parents = $this.parents('.toc-child');
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if (parents.length > 0) {
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let child = null;
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parents.length > 1 ? child = parents.eq(parents.length - 1).find('.toc-child') : child = parents;
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if (child.length > 0 && child.is(':hidden')) {
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expandToc(child);
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}
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parents.eq(parents.length - 1).closest('.toc-item').siblings('.toc-item').find('.toc-child').hide();
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} else {
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if ($this.closest('.toc-item').find('.toc-child').is(':hidden')) {
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expandToc($this.closest('.toc-item').find('.toc-child'));
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}
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$this.closest('.toc-item').siblings('.toc-item').find('.toc-child').hide();
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}
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}
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/**
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* @description expand toc-item
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* @param $item
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*/
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function expandToc($item) {
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// $item.show();
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$item.velocity('stop').velocity('fadeIn', {
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duration: 500,
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easing: 'easeInQuart'
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});
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}
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}()); |