680 lines
25 KiB
JavaScript
680 lines
25 KiB
JavaScript
/**
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* amWiki Web端 - 入口模块
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* @author Tevin
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* @see {@link https://github.com/TevinLi/amWiki}
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* @license MIT - Released under the MIT license.
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*/
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$(function () {
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'use strict';
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/*
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引入
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*/
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//工具集
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var tools = window.tools;
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//文档管理器
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var docs = new AWDocs();
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//本地存储
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var storage = new AWStorage();
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//全文库搜索
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var search = new AWSearch(storage);
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//启用接口ajax测试
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if (window.AWTesting) {
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var testing = new AWTesting();
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}
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//是否支持history.state的API (IE9不支持)
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var HISTORY_STATE = 'pushState' in history;
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/*
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页面基本
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*/
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//页面元素
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var $win = $(window),
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$body = $('body'),
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$menuIcon = $('#menuIcon'), //顶部折叠显示导航按钮
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$container = $('#container'), //页面主容器
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$nav = $('#nav'), //左侧导航
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$menuBar = $('#menuBar'), //左侧导航内容
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$filter = $('#menuFilter'),
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$filterClean = $filter.next('i'),
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$main = $('#main'),
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$mainInner = $main.children('.main-inner'),
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$mainSibling = $('#mainSibling'), //其他文章
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$contents = $('#contents'); //目录
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//是否为移动端
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var isMobi = window.isMobi = (function () {
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var winW = $win.width();
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var threshold = 720;
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var onResize = function () {
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winW = $win.width();
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if (winW <= threshold) {
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$container.removeAttr('style');
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} else {
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$container.height($win.height() - 70 - 15 - 20 * 2);
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}
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};
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onResize();
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$win.on('resize', onResize);
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return function () {
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return winW <= threshold;
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};
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})();
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//页面基本显示与操作
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(function () {
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//菜单折叠
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$menuBar.on('click', 'h4', function () {
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var $this = $(this);
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if (!$this.hasClass('on')) {
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$this.addClass('on');
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$menuBar.find('a').removeClass('on');
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}
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$menuBar.find('h5').removeClass('on').next('ul').hide();
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});
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$menuBar.on('click', 'h5', function () {
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var $this = $(this),
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$next = $this.next('ul');
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if ($this.hasClass('on')) {
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$this.removeClass('on');
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$next.slideUp(200, function () {
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$menuBar.trigger('scrollbar');
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});
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} else {
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$this.addClass('on');
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$next.slideDown(200, function () {
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$menuBar.trigger('scrollbar');
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});
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}
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});
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$menuBar.on('click', 'strong', function () {
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var $this = $(this),
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$next = $this.next('ul');
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if ($this.hasClass('on')) {
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$this.removeClass('on');
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$next.slideUp(200, function () {
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$menuBar.trigger('scrollbar');
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});
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} else {
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$this.addClass('on');
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$next.slideDown(200, function () {
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$menuBar.trigger('scrollbar');
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});
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}
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});
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//响应式菜单
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$menuIcon.on('click', function () {
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var $this = $(this);
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if ($this.hasClass('close')) {
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$this.removeClass('close')
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.find('use').attr('xlink:href', '#icon:navStart');
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$nav.removeClass('on');
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} else {
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$this.addClass('close')
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.find('use').attr('xlink:href', '#icon:navClose');
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$nav.addClass('on');
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}
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});
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$nav.on('navchange searchon searchoff', function (e) {
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$menuIcon.removeClass('close')
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.find('use').attr('xlink:href', '#icon:navStart');
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$nav.removeClass('on');
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});
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//筛选操作
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$filter.on('input propertychange input2', function () {
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var value = $filter.val().replace(/([\(\)\[\]\^\$\+])/g, '\\$1');
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var valReg = new RegExp('(' + $.trim($filter.val()).split(/[ ,]/).join('|') + ')', 'ig');
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if (value != '' && !/^\s$/g.test(value)) {
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$filterClean.removeClass('off');
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$menuBar.find('h5').each(function () {
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filterNav('filter', valReg, $(this));
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});
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storage.setStates('navFilterKey', value);
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} else {
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$filterClean.addClass('off');
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$menuBar.find('h5').each(function () {
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filterNav('open', null, $(this));
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});
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storage.setStates('navFilterKey');
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}
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$menuBar.trigger('scrollbar');
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});
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//清空筛选
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$filterClean.on('click', function () {
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$filter.val('').trigger('input2');
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});
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//显示svg图标
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if (sessionStorage['AMWikiIconsSvg']) {
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$('#svgSymbols').append(sessionStorage['AMWikiIconsSvg']);
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} else {
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$.get('amWiki/images/icons.svg', function (svg) {
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sessionStorage['AMWikiIconsSvg'] = svg;
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$('#svgSymbols').append(svg);
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}, 'text').fail(function () {
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if (typeof AWPageMounts != 'undefined') {
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sessionStorage['AMWikiIconsSvg'] = AWPageMounts['icon'].content;
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$('#svgSymbols').append(AWPageMounts['icon'].content);
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}
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});
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}
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//目录悬浮窗展开折叠
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$contents.children('.btn').on('click', function (e) {
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$contents.toggleClass('on').removeClass('hover');
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});
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$contents.hover(function () {
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$contents.addClass('hover');
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}, function () {
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$contents.removeClass('hover');
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});
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//开启滚动条
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$('.scroller').scrollbar();
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$('#backTop').on('click', function () {
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$mainInner.scrollTop(0);
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});
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//图片放大
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$main.imgsView();
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//全局点击
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$(document).on('click', function (e) {
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var $tag = $(e.target);
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//移动端
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if (isMobi()) {
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//折叠目录悬浮窗
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if ($tag.closest('#contents').length == 0) {
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$contents.removeClass('on').removeClass('on');
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}
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}
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});
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})();
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/*
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业务操作函数
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*/
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/**
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* 向下递归进行导航筛选
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* 当类型为筛选时，必定有正则
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* 当文件夹匹配时，其所属链接和所有子级全部显示且显示匹配
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* 当文件夹不匹配时，其所属链接和当前子级仅显示匹配，隐藏不匹配的项，下一级继续筛选
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* 当类型为打开时，所属链接和子级一律全部显示不隐藏
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* 如果有正则，显示当前匹配
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* 如果无正则，清除匹配
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* @param {String} type - 筛选类型，有 filter / open 两个值
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* @param {regexp} valReg - 过滤筛选的正则
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* @param {Object} $title - jquery 对象，“标题-列表”DOM结构中的标题
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*/
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var filterNav = function (type, valReg, $title) {
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var $ul = $title.next('ul');
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//因为一级文件夹和子级文件夹DOM结构不同，所以区分对待
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// 显示上，strong 带 on 加粗显示，h5 加 off 隐藏
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// 文本操作使用变量 $span，其他操作使用变量 $title
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var $span = $title.find('span');
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//当类型为筛选时
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if (type == 'filter' && valReg) {
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//当文件夹标题匹配时
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if (valReg.test($span.text())) {
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$span.html($span.text().replace(valReg, '<mark>$1</mark>'));
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$title.addClass('on').removeClass('off');
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//所属链接全部显示，且显示匹配
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$ul.show().find('> li > a').each(function () {
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var $this = $(this);
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var $span2 = $this.find('span');
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$span2.html($span2.text().replace(valReg, '<mark>$1</mark>'));
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$this.parent().removeClass('off');
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});
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//父级显示
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showNavParents($title);
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//下一级筛选类型更改，文件和文件夹全部显示，且显示匹配
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$ul.find('> li > strong').each(function () {
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filterNav('open', valReg, $(this));
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});
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}
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//当文件夹标题不匹配时
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else {
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$span.text($span.text());
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$title.removeClass('on');
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//隐藏父级或隐藏h5
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if ($title.is('h5')) {
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$title.parent().addClass('off');
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} else {
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$title.addClass('off');
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}
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//所属链接仅显示匹配的
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$ul.hide().find('> li > a').each(function () {
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var $this = $(this);
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var $span2 = $this.find('span');
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if (valReg.test($this.text())) {
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$span2.html($span2.text().replace(valReg, '<mark>$1</mark>'));
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$this.parent().removeClass('off');
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//存在匹配时父级才显示
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showNavParents($ul.show().prev());
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} else {
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$span2.text($span2.text());
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$this.parent().addClass('off');
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}
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});
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//下一级继续完全筛选
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$ul.find('> li > strong').each(function () {
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filterNav('filter', valReg, $(this));
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});
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}
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}
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//当类型为打开，显示全部链接和文件夹
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else if (type == 'open') {
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$title.removeClass('off');
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if ($title.hasClass('on')) {
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$ul.show();
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} else {
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$ul.hide();
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}
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//当存在正则时，显示匹配
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if (!!valReg) {
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$span.html($span.text().replace(valReg, '<mark>$1</mark>'));
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if (valReg.test($span.text())) {
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$ul.show(); //当文件夹名称命中，展开文件夹
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}
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$ul.find('> li > a').each(function () {
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var $this = $(this);
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var $span2 = $this.find('span');
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$span2.html($span2.text().replace(valReg, '<mark>$1</mark>'));
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if (valReg.test($this.text())) {
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$ul.show(); //当链接名称命中，展开文件夹
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}
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$this.parent().removeClass('off');
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});
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//父级显示
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showNavParents($title);
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//下一级继续以相同类型显示
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$ul.find('> li > strong').each(function () {
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filterNav('open', valReg, $(this));
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});
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}
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//当正则不存在，显示所有本级和子级、清除匹配
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else {
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$span.text($span.text());
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$ul.find('> li > a').each(function () {
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var $span2 = $(this).find('span');
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$span2.text($span2.text());
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});
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$ul.children('li').removeClass('off').children('strong').each(function () {
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filterNav('open', null, $(this));
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});
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}
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}
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};
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//向上递归显示父级
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var showNavParents = function ($title) {
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$title.addClass('on').removeClass('off');
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//向上显示直到一级目录
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if (!$title.is('h5')) {
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var $prev2 = $title.parent().removeClass('off').parent().show().prev();
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showNavParents($prev2);
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}
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};
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//改变底部上下篇目
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var changeSibling = function ($item) {
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//如果未传导航项进来，隐藏上下篇目栏位
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if (!$item) {
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$mainSibling.removeClass('on');
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return;
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}
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//获取平级文档链接
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var getDocLink = function (type, $elm) {
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var $other = $elm[type]();
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if ($other.length == 0) {
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return null;
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}
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if ($other.children('ul').length > 0) {
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return getDocLink(type, $other);
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} else {
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return $other.children('a');
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}
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};
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//设置上下篇目导航
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var setSiblingNav = function (num, $other) {
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if ($other) {
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$mainSibling.find('a').eq(num)
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.attr('href', $other.attr('href'))
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.text($other.text());
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} else {
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$mainSibling.find('a').eq(num)
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.removeAttr('href')
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.text('没有了');
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}
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};
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setSiblingNav(0, getDocLink('prev', $item));
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setSiblingNav(1, getDocLink('next', $item));
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if (testing && !testing.isOpen()) {
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$mainSibling.addClass('on');
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}
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};
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//改变导航显示
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var changeNav = function (path) {
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if (/^home[-_].*?/.test(path) || path == '首页') {
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$menuBar.find('h4').addClass('on');
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$menuBar.find('a').removeClass('on');
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changeSibling(null);
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} else {
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var hsLink = false;
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$menuBar.find('a').each(function () {
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var $this = $(this);
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var path2 = $this.attr('href').split('file=')[1];
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if (path2 == path) {
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hsLink = true;
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//本层加高亮
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var $prev = $this.addClass('on').parent().parent().show().prev().addClass('on');
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//父级高亮
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showNavParents($prev);
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//改变上下篇切换
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changeSibling($this.parent());
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} else {
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$this.removeClass('on');
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}
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});
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if (hsLink) {
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$menuBar.find('h4').removeClass('on');
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}
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}
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curPath = path;
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$menuBar.trigger('scrollbar');
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};
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//返回首页
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var backHome = function () {
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docs.loadPage(homePage.path, function (state, content) {
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if (state == 'success') {
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changeNav(homePage.path);
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docs.renderDoc(content);
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storage.saveDoc(homePage.path, content);
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$main.trigger('scrollbar');
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}
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});
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if (HISTORY_STATE) {
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history.replaceState({path: homePage.path}, '', homePage.url);
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}
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};
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//改变页面
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var changePage = function (path, withOutPushState, callback) {
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//第一步，从本地缓存读取并渲染页面
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var localDoc = storage.read(path);
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docs.renderDoc(localDoc);
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testing && testing.crawlContent();
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$main.trigger('scrollbar');
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$mainInner.scrollTop(0); //返回顶部
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//更新history记录
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if (!withOutPushState && HISTORY_STATE) {
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var path2 = path.replace(/&/g, '%26'); //对带 & 符号的地址特殊处理
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history.pushState({path: path}, '', '?file=' + path2);
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}
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//第二步，加载服务器上的文档资源，如果有更新重新渲染
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docs.loadPage(path, function (state, content) {
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//读取服务器文档失败时
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if (state == 'error') {
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//如果本地缓存为空
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if (localDoc == '') {
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backHome();
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}
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//如果本地缓存不为空
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else {
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//记录文档打开数
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storage.increaseOpenedCount(path);
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callback && callback();
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}
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}
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//读取服务器文档成功时
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else if (state == 'success') {
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//如果服务器文档有更新，更新本地缓存、重新渲染页面、重新判断接口测试
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if (content != localDoc) {
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docs.renderDoc(content);
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storage.saveDoc(path, content);
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testing && testing.crawlContent();
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$main.trigger('scrollbar');
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}
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//如果服务器文档与本地缓存一致，不进行任何操作
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else {
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}
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//记录文档打开数
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storage.increaseOpenedCount(path);
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callback && callback();
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}
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});
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};
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//读取目录导航
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var homePage = {};
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var loadNav = function (callback) {
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var fillNav = function (data) {
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$menuBar.find('.scroller-content').html(marked(data));
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//首页
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var menuBarHome = $menuBar.find('h4');
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homePage.text = menuBarHome.text();
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homePage.url = menuBarHome.find('a').attr('href');
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homePage.path = homePage.url.split('file=')[1];
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menuBarHome.prepend('<svg><use xlink:href="#icon:navHome"></use></svg>');
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//列表
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$menuBar.find('h5').each(function () {
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var $this = $(this);
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$this.html('<svg><use xlink:href="#icon:navArrow"></use></svg><span>' + $this.text() + '</span>')
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});
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$menuBar.trigger('scrollbar');
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var pathList = [];
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//支持history api时，改变默认事件，导航不再跳转页面
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$menuBar.find('a').each(function () {
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var $this = $(this);
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$this.html('<span>' + $this.text() + '</span>');
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if (HISTORY_STATE) {
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||
var path = $this.attr('href').split('file=')[1];
|
||
pathList.push(path);
|
||
$this.on('click', function () {
|
||
search.displayBox('off'); //关闭搜索面板
|
||
changeNav(path);
|
||
changePage(path);
|
||
$this.trigger('navchange');
|
||
return false;
|
||
});
|
||
}
|
||
});
|
||
//上下翻页不再跳页面
|
||
$mainSibling.find('a').on('click', function () {
|
||
if (HISTORY_STATE) {
|
||
var $this = $(this);
|
||
var href = $this.attr('href');
|
||
if (typeof href != 'undefined' && href != '') {
|
||
var path = href.split('file=')[1];
|
||
changeNav(path);
|
||
changePage(path);
|
||
$this.trigger('navchange');
|
||
}
|
||
return false;
|
||
}
|
||
});
|
||
$menuBar.find('strong').each(function () {
|
||
var $this = $(this);
|
||
$this.html('<span>' + $this.text() + '</span>');
|
||
});
|
||
//搜索结果不再跳转页面
|
||
$('#results').on('click', 'a', function () {
|
||
if (HISTORY_STATE) {
|
||
var $this = $(this);
|
||
var href = $this.attr('href');
|
||
if (typeof href != 'undefined' && href != '') {
|
||
var path = href.split('file=')[1];
|
||
search.displayBox('off'); //关闭搜索面板
|
||
changeNav(path);
|
||
changePage(path);
|
||
$this.trigger('navchange');
|
||
}
|
||
return false;
|
||
}
|
||
});
|
||
//设置导航筛选初始值
|
||
var filterVal = storage.getStates('navFilterKey');
|
||
if (typeof filterVal != 'undefined' && filterVal != '') {
|
||
$filter.val(filterVal).trigger('input2');
|
||
}
|
||
//回调
|
||
callback && callback(pathList);
|
||
};
|
||
$.get('library/$navigation.md?t=' + Date.now(), fillNav, 'text').fail(function () {
|
||
if (typeof AWPageMounts != 'undefined') {
|
||
fillNav(AWPageMounts['nav'].content);
|
||
}
|
||
});
|
||
};
|
||
|
||
//读取页面挂载数据文档部分
|
||
var loadPageMounts = function () {
|
||
if (typeof AWPageMounts == 'undefined') {
|
||
return;
|
||
}
|
||
//打开页面立即比较页面挂载数据时间与本地缓存更新时间
|
||
// 因为首页总是更新的，如果首页页面挂载数据时间大于本地缓存时间，则挂载数据一定已经经过重建
|
||
var homePath = AWPageMounts['home'].name.replace(/\.md$/, '');
|
||
var homeStorageTime = storage.readTime(homePath);
|
||
//如果页面挂载数据经过了重建，开始更新，读取所有挂载数据插入到本地缓存，完成后删除释放资源占用
|
||
if (AWPageMounts['home'].timestamp > homeStorageTime) {
|
||
//首页
|
||
storage.saveDoc(homePath, AWPageMounts['home'].content);
|
||
delete AWPageMounts['home'];
|
||
//其他文档
|
||
for (var lv1 in AWPageMounts) {
|
||
if (!AWPageMounts.hasOwnProperty(lv1)) {
|
||
continue;
|
||
}
|
||
if (!/^m\d+/.test(lv1)) {
|
||
continue;
|
||
}
|
||
for (var i = 0, page; page = AWPageMounts[lv1][i]; i++) {
|
||
storage.saveDoc(page.path.replace(/\.md$/, ''), page.content);
|
||
}
|
||
delete AWPageMounts[lv1];
|
||
}
|
||
storage.saveRebuild();
|
||
}
|
||
//否则直接删除页面挂载数据的文档部分，释放内存资源占用
|
||
else {
|
||
delete AWPageMounts['home'];
|
||
for (var name in AWPageMounts) {
|
||
if (AWPageMounts.hasOwnProperty(name)) {
|
||
if (/^m\d+/.test(name)) {
|
||
delete AWPageMounts[name];
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
//根据hash改变滚动位置
|
||
var changeScrollByHash = function () {
|
||
var hash = location.hash.split('#')[1];
|
||
//当不存在hash
|
||
if (!hash || hash.length == '') {
|
||
//检测是否在顶部，不在顶部滚动至顶部
|
||
if ($mainInner.scrollTop() != 0) {
|
||
$mainInner.scrollTop(0);
|
||
}
|
||
return;
|
||
}
|
||
//获取hash指向的元素
|
||
var $hash = $('.anchor[name="' + hash + '"]');
|
||
if ($hash.length == 0) {
|
||
return
|
||
}
|
||
//滚动至元素
|
||
$mainInner.scrollTop($hash.position().top + $mainInner.scrollTop() - 10);
|
||
};
|
||
|
||
/*
|
||
启动应用
|
||
*/
|
||
|
||
//解析地址参数
|
||
var curPath = tools.getURLParameter('file');
|
||
curPath = !curPath ? '首页' : decodeURI(curPath);
|
||
curPath = curPath.replace(/%26/g, '&');
|
||
|
||
//加载导航
|
||
loadNav(function (list) {
|
||
//核对本地存储
|
||
storage.checkLibChange(list);
|
||
//读取页面挂载数据文档部分
|
||
loadPageMounts();
|
||
//首次打开改变导航
|
||
changeNav(curPath);
|
||
//首次打开改变页面
|
||
changePage(curPath, true, changeScrollByHash);
|
||
});
|
||
|
||
//history api 浏览器前进后退操作响应
|
||
if (HISTORY_STATE) {
|
||
$win.on('popstate', function (e) {
|
||
var path;
|
||
//当有状态记录时，直接跳转
|
||
if (e.originalEvent.state) {
|
||
path = e.originalEvent.state.path;
|
||
path = path.replace(/%26/g, '&');
|
||
//改变导航
|
||
changeNav(path);
|
||
//改变页面
|
||
changePage(path, true, changeScrollByHash);
|
||
}
|
||
//当没有状态记录时
|
||
else {
|
||
path = tools.getURLParameter('file');
|
||
path = !path ? '首页' : decodeURI(path);
|
||
path = path.replace(/%26/g, '&');
|
||
//判断 url 路径是否和当前一样，不一样才跳转
|
||
if (path != curPath) {
|
||
//改变导航
|
||
changeNav(path);
|
||
//改变页面
|
||
changePage(path, true, changeScrollByHash);
|
||
}
|
||
//相同时不跳转，根据 hash 变化改变位置
|
||
else {
|
||
changeScrollByHash();
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
/*
|
||
回调中转
|
||
*/
|
||
|
||
//重建缓存
|
||
search.onNeedRebuildStorage = function (callback) {
|
||
storage.clearLibraries();
|
||
var list = storage.getIndexList();
|
||
var count = 0;
|
||
var load = function (path, i) {
|
||
//为避免重建缓存频率过高，人为增设每个请求时间间隔
|
||
setTimeout(function () {
|
||
docs.loadPage(path, function (state, content) {
|
||
//文档读取成功时保存到内存
|
||
if (state == 'success') {
|
||
storage.saveDocToDB(path, content);
|
||
}
|
||
//循环结束后完成重建
|
||
if (++count >= list.length) {
|
||
storage.saveRebuild();
|
||
callback && callback();
|
||
}
|
||
});
|
||
}, i * 100);
|
||
};
|
||
for (var i = 0, item; item = list[i]; i++) {
|
||
load(item, i);
|
||
}
|
||
};
|
||
|
||
});
|
||
|
||
|