540 lines
18 KiB
JavaScript
540 lines
18 KiB
JavaScript
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/**
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* amWiki Web端 - 文档加载与渲染模块
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* @author Tevin
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*/
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;
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(function (win, doc, $) {
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'use strict';
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var hljs = win.hljs;
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var marked = win.marked;
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var URL_ENCODE_NAME = 'AMWikiUrlEncode'; //记录url编码的键名
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/**
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* 文档管理
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* @constructor
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*/
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var Docs = function () {
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this.$e = {
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win: $(win),
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//markdown 文档内容容器
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view: $('#view'),
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//网页 title 标签
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title: $('title'),
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//目录悬浮窗标题
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contentsTitle: $('#contentsTitle')
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};
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this.data = {
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//记录页面宽度
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pageWidth: 0
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};
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this._initUrlEncode();
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this._initHashEvent();
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};
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/**
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* 初始化url编码类型标记
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* @private
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*/
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Docs.prototype._initUrlEncode = function () {
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/*
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* 由于win与linux采用不同编码保存中文文件名
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* 记录浏览器打开当前域名的wiki时服务器中文文件名的编码类型
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*/
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if (!localStorage[URL_ENCODE_NAME]) {
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localStorage[URL_ENCODE_NAME] = 'utf8';
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} else if (localStorage[URL_ENCODE_NAME] != 'utf8' && localStorage[URL_ENCODE_NAME] != 'gbk') {
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localStorage[URL_ENCODE_NAME] = 'utf8';
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}
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//旧版本记录移除
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delete localStorage.urlEcode
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};
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/**
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* 修正移动端hash变化时滚动位置
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* @private
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*/
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Docs.prototype._initHashEvent = function () {
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var that = this;
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this.data.pageWidth = this.$e.win.width();
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this.$e.win.on('resize', function () {
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that.data.pageWidth = that.$e.win.width();
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});
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this.$e.win.on('hashchange', function (e) {
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var hash = location.hash.split('#')[1];
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if (that.data.pageWidth <= 720) {
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that.$e.view.find('h1,h2,h3').each(function (index, element) {
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var $title = $(element);
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var text = $title.text().replace(/\s+/g, '');
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if (hash == text) {
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that.$e.win.scrollTop($title.offset().top - 55);
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}
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});
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}
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});
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};
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/**
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* 转换链接文本
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* @param {String} str
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* @returns {String}
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* @private
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*/
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Docs.prototype._tramsformLinkText = function (str) {
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return str
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.replace(/^\s+|\s+$/g, '') //去除首尾空格
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.replace(/'/g, ''') //转义单引号
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.replace(/"/g, '"') //转义双引号，由于双引号无法正确传递给html属性，当作为hash时将删除处理
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.replace(/\(/g, '(') //转义左圆括号
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.replace(/\)/g, ')') //转义右圆括号
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.replace(/\[/g, '[') //转义左中括号
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.replace(/\]/g, ']'); //转义右中括号
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};
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/**
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* 设置文档h1、h2、h3描记
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* @returns {string}
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* @private
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*/
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Docs.prototype._setTitlesAnchor = function () {
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var that = this;
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var $titles = null;
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var hash = '';
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var contentsMd = ''; //提取目录为markdown字符串
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if (location.hash && location.hash.length > 1) {
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hash = location.hash.split('#')[1];
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}
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var anchorHtml = '<a class="anchor" href="#{title}" name="{title}">' +
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'<svg><use xlink:href="#icon:linkAnchor"></use></svg></a>';
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$titles = that.$e.view.find('h1,h2,h3');
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$titles.each(function (index, element) {
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var $this = $(element);
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var text1 = that._tramsformLinkText($this.text());
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var text2 = text1.replace(/"/g, ''); //删除双引号
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//提取目录
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if ($this.is('h2')) {
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contentsMd += '1. [' + text1 + '](#' + text2 + ' "' + text2 + '")\n';
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} else if ($this.is('h3')) {
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contentsMd += '\t1. [' + text1 + '](#' + text2 + ' "' + text2 + '")\n';
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}
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//设置描记
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$this.prepend(anchorHtml.replace(/{title}/g, text2));
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//首次打开页面滚动位置修正
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if (hash == $this.text().replace(/"/g, '')) {
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if (that.data.pageWidth <= 720) {
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that.$e.win.scrollTop($this.offset().top - 55);
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} else {
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that.$e.win.scrollTop($this.offset().top);
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}
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}
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});
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if (contentsMd.indexOf('\t') == 0) {
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contentsMd = '1. 　\n' + contentsMd;
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}
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return contentsMd;
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};
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/**
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* 创建脚注
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* @param {String} text
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* @returns {String}
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* @private
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*/
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Docs.prototype._setFootnote = function (text) {
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var footnotes = [];
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var noteReg = /\[\^([ a-zA-Z\d]+)]/g;
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var footReg = /\[\^([ a-zA-Z\d]+)]: ?([\S\s]+?)(?=\[\^(?:[ a-zA-Z\d]+)]|\n\n|$)/g;
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var templates = $.trim($('#template\\:footnote').text()).split(/[\r\n]+\s*/g);
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templates[4] += templates[5] + templates[6] + templates[7] + templates[8];
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var html = '';
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//提取脚注内容
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text = text.replace(footReg, function (match, s1, s2, index) {
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var title = '';
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s2 = s2.replace(/"(.*?)"\s*$/, function (m, ss1) {
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title = ss1;
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return '';
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});
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footnotes.push({
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index: index,
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note: s1,
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content: s2,
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title: title,
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used: false
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});
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//从页面上删除底部脚注内容
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return '';
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});
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//将脚注的标记转为序号
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text = text.replace(noteReg, function (match, s1) {
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for (var i = 0, foot; foot = footnotes[i]; i++) {
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if (foot.note == s1) {
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foot.used = true;
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return templates[0].replace(/{{index}}/g, i + 1 + '').replace('{{title}}', foot.title);
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}
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}
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//当脚注的正文不存在，视标记文本为正文
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var length = footnotes.push({
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index: 0,
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note: s1,
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content: s1,
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used: true
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});
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return templates[0].replace(/{{index}}/g, length + '');
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});
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//生成底部脚注html
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if (footnotes.length >= 1) {
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for (var i = 0, foot; foot = footnotes[i]; i++) {
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if (foot.used) {
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html += templates[2]
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.replace('{{index}}', i + 1)
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.replace('{{content}}', foot.content)
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.replace('{{back}}', templates[4].replace('{{index}}', i + 1));
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} else {
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html += templates[3].replace('{{content}}', foot.content);
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}
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}
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html = templates[1].replace('{{list}}', html);
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}
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return text + '\n<br>' + html;
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};
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/**
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* 设置js代码块注释显示隐藏
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* @param {Object} $elm
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* @private
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*/
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Docs.prototype._setJSCommentDisable = function ($elm) {
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var $disBtn = $('<div class="lang-off-js-comment">注<i>/</i></div>');
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$disBtn.on('click', function () {
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var $this = $(this);
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if ($this.hasClass('on')) {
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$this.removeClass('on');
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$elm.find('.hljs-comment').show();
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} else {
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$this.addClass('on');
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$elm.find('.hljs-comment').hide();
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}
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});
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$elm.prepend($disBtn);
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};
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/**
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* 解析流程图
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* @param {Object} $elm
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* @private
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*/
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Docs.prototype._createFlowChart = function ($elm) {
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var code = $elm.text();
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$elm.text('');
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var id = 'flowChart' + parseInt(Math.random() * 500);
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$elm.attr('id', id);
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var chart = flowchart.parse(code);
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chart.drawSVG(id, {
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'line-width': 1.3,
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'line-length': 56,
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'line-color': '#666',
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'text-margin': 10,
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'font-size': 12,
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'font': 'normal',
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'font-family': 'Helvetica',
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'font-weight': 'normal',
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'font-color': 'black',
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'element-color': '#888',
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'fill': '#fff',
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'yes-text': '是',
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'no-text': '否',
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'arrow-end': 'block-wide-long',
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'symbols': {},
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'flowstate': {}
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});
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};
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/**
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* 解析 Markdown 目录
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* @param {String} html
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* @returns {String}
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* @private
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*/
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Docs.prototype._setTOC = function (html) {
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return html.replace(/\[(TOC|MENU)]/g, '<blockquote class="markdown-contents"></blockquote>');
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};
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/**
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* 解析 Markdown 自定义图片大小与对齐方式
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* @param {String} html
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* @returns {String}
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* @private
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*/
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Docs.prototype._setImgResize = function (html) {
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return html.replace(/<img(.*?)src="(.*?)=(\d*[-x×]\d*)(-[lrc])?"/g, function (m, s1, s2, s3, s4) {
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var imgHtml = '<img' + s1 + 'src="' + s2 + '"';
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var imgSize = s3.split(/[-x×]/);
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var align = ({'-l': 'left', '-r': 'right', '-c': 'center'})[s4];
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if (imgSize[0]) {
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imgHtml += ' width="' + imgSize[0] + '"';
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}
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if (imgSize[1]) {
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imgHtml += ' height="' + imgSize[1] + '"';
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}
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if (align) {
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imgHtml += ' align="' + align + '"';
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}
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return imgHtml;
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});
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};
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/**
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* 解析 markdown 复选框
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* @param {String} html
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* @returns {String}
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* @private
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*/
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Docs.prototype._setCheckbox = function (html) {
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return html.replace(/\[([√×Xx\s\-_])\]\s(.*?)([<\n\r])/g, function (m, s1, s2, s3, index) {
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var checkboxHtml = '<input type="checkbox" id="checkbox' + index + '"';
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checkboxHtml += /\s/.test(s1) ? '>' : 'checked="true">';
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checkboxHtml += '<label for="checkbox' + index + '">' + s2 + '</label>';
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return checkboxHtml + s3;
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});
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};
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/**
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* 解析 markdown 文字飘红
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* @param {String} html
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* @returns {String}
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* @private
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*/
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Docs.prototype._setRedText = function (html) {
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return html.replace(/==(.*?)==/g, function (m, s1) {
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return '<mark>' + s1 + '</mark>';
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});
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};
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/**
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* 创建目录
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* @param {String} contents - markdown 目录
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* @private
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*/
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Docs.prototype._createContents = function (contents) {
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var $contents = $('.markdown-contents').html(marked(contents));
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$('blockquote').each(function () {
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var $this = $(this);
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var $links = $this.find('ol>li>a');
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//至少2条链接才视为目录
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if ($links.length > 1) {
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$this.addClass('markdown-contents');
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$contents = $contents.add($this);
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}
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});
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//自带序号的目录，不再额外显示一层序号
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$contents.find('ol').each(function () {
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var $this = $(this);
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var $links = $this.children('li').children('a');
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var text1 = $links.eq(0).text(),
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text2 = $links.eq(1).text();
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var conditions = [
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//普通数字类型
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/^[\(（]?(\d+\.?)+[^\d]{2,}/,
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//汉字序号类型
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|
|
/^[\(（【第]?[一二三四五六七八九十百千万壹贰叁肆伍陆柒捌玖拾佰仟]+/,
|
|||
|
|
//英文序号类型
|
|||
|
|
/^(chapter)|(section)|(part)|(step)/i,
|
|||
|
|
//罗马序号类型
|
|||
|
|
/^[ⅠⅡⅢⅣIⅤⅥⅦⅧⅨⅩⅪⅫLCDM]+\.?/
|
|||
|
|
];
|
|||
|
|
for (var i = 0, cond; cond = conditions[i]; i++) {
|
|||
|
|
if (cond.test(text1) && cond.test(text2)) {
|
|||
|
|
$this.addClass('unindex');
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
//没写序号的目录，创建序号
|
|||
|
|
var setIndex = function ($elm, index1) {
|
|||
|
|
if ($elm.length == 0) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
$elm.children('li').each(function (index2) {
|
|||
|
|
var $this = $(this);
|
|||
|
|
if (!$elm.hasClass('unindex')) {
|
|||
|
|
var index = typeof index1 == 'number' ? (index1 + 1) + '.' + (index2 + 1): (index2 + 1) + '.';
|
|||
|
|
$this.prepend('<i>' + index + '</i>');
|
|||
|
|
}
|
|||
|
|
setIndex($this.children('ol'), index2);
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
$contents.children('ol').each(function () {
|
|||
|
|
setIndex($(this));
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 编码 url
|
|||
|
|
* 由于服务器可能存在 GBK 或 UTF-8 两种编码，中文路径编码不对需要切换才能访问
|
|||
|
|
* @param {String} path
|
|||
|
|
* @param {String} type - 是否需要编码类型反转， GBK、UTF-8切换
|
|||
|
|
* @returns {String}
|
|||
|
|
* @private
|
|||
|
|
*/
|
|||
|
|
Docs.prototype._encodeUrl = function (path, type) {
|
|||
|
|
var url = 'library/';
|
|||
|
|
if (typeof AWConfig.libraryPrefix == 'string' && AWConfig.libraryPrefix.length > 0) {
|
|||
|
|
url = AWConfig.libraryPrefix.replace(/\\/g, '/').replace(/\/?&/, '/');
|
|||
|
|
}
|
|||
|
|
var paths = [];
|
|||
|
|
//正常编码
|
|||
|
|
if (type == 'normal') {
|
|||
|
|
if (localStorage[URL_ENCODE_NAME] == 'utf8') {
|
|||
|
|
url += encodeURI(path);
|
|||
|
|
} else if (localStorage[URL_ENCODE_NAME] == 'gbk') {
|
|||
|
|
paths = path.split('/').map(function (path) {
|
|||
|
|
return GBK.encode(path);
|
|||
|
|
});
|
|||
|
|
url += paths.join('/');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
//反转编码
|
|||
|
|
else if (type == 'reverse') {
|
|||
|
|
if (localStorage[URL_ENCODE_NAME] == 'utf8') {
|
|||
|
|
paths = path.split('/').map(function (path) {
|
|||
|
|
return GBK.encode(path);
|
|||
|
|
});
|
|||
|
|
url += paths.join('/');
|
|||
|
|
} else if (localStorage[URL_ENCODE_NAME] == 'gbk') {
|
|||
|
|
url += encodeURI(path);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
url += '.md?t=' + (new Date()).getTime();
|
|||
|
|
return url;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 渲染文档
|
|||
|
|
* @param {String} content - 需要渲染的文档内容
|
|||
|
|
* @public
|
|||
|
|
*/
|
|||
|
|
Docs.prototype.renderDoc = function (content) {
|
|||
|
|
var that = this;
|
|||
|
|
var html = '';
|
|||
|
|
this.cleanView();
|
|||
|
|
//增加"\"符转义功能
|
|||
|
|
content = content.replace(/\\(.)/g, function (m, s1) {
|
|||
|
|
return '&#' + s1.charCodeAt(0) + ';';
|
|||
|
|
});
|
|||
|
|
//创建脚注
|
|||
|
|
content = this._setFootnote(content);
|
|||
|
|
//编译 markdown
|
|||
|
|
html = marked(content);
|
|||
|
|
//创建目录标记，和悬浮窗格式统一
|
|||
|
|
html = this._setTOC(html);
|
|||
|
|
//自定义图片大小与对齐方式
|
|||
|
|
html = this._setImgResize(html);
|
|||
|
|
//复选框
|
|||
|
|
html = this._setCheckbox(html);
|
|||
|
|
//文字飘红
|
|||
|
|
html = this._setRedText(html);
|
|||
|
|
//填充到页面
|
|||
|
|
this.$e.view.html(html);
|
|||
|
|
//功能化代码块
|
|||
|
|
this.$e.view.find('pre code').each(function (i, element) {
|
|||
|
|
var $elm = $(element);
|
|||
|
|
var className = $elm.attr('class') || '';
|
|||
|
|
//创建流程图
|
|||
|
|
if (className.indexOf('lang-flow') >= 0) {
|
|||
|
|
that._createFlowChart($elm);
|
|||
|
|
}
|
|||
|
|
//创建语法高亮
|
|||
|
|
else if (className.indexOf('lang') >= 0) {
|
|||
|
|
hljs.highlightBlock(element);
|
|||
|
|
}
|
|||
|
|
//创建js注释开关
|
|||
|
|
className = $elm.attr('class') || '';
|
|||
|
|
if (className.indexOf('javascript') >= 0) {
|
|||
|
|
that._setJSCommentDisable($elm);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
//设置网页title
|
|||
|
|
var title = this.$e.view.find('h1').eq(0).text();
|
|||
|
|
this.$e.title.text(title);
|
|||
|
|
this.$e.contentsTitle.text(title).attr('href', '#' + title.replace(/"/g, ''));
|
|||
|
|
//创建描点
|
|||
|
|
var contents = this._setTitlesAnchor();
|
|||
|
|
//创建目录
|
|||
|
|
this._createContents(contents);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 读取文档
|
|||
|
|
* @param {String} url
|
|||
|
|
* @param {Function} callback
|
|||
|
|
* @public
|
|||
|
|
*/
|
|||
|
|
Docs.prototype.getDoc = function (url, callback) {
|
|||
|
|
var that = this;
|
|||
|
|
var ajaxData = {
|
|||
|
|
type: 'get',
|
|||
|
|
url: url,
|
|||
|
|
dataType: 'text'
|
|||
|
|
};
|
|||
|
|
$.ajax(ajaxData)
|
|||
|
|
.done(function (data) {
|
|||
|
|
//如果请求响应包含html，视为报错
|
|||
|
|
if (/^\s*<!(DOCTYPE|doctype)/.test(data)) {
|
|||
|
|
return callback('fail');
|
|||
|
|
}
|
|||
|
|
//成功回调
|
|||
|
|
callback('done', data);
|
|||
|
|
})
|
|||
|
|
//请求失败
|
|||
|
|
.fail(function () {
|
|||
|
|
callback('fail');
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 加载指定页面
|
|||
|
|
* @param {String} path - 页面资源地址
|
|||
|
|
* @param {Function} callback - 加载完成后的回调，包含参数：
|
|||
|
|
* type - 加载页面最终状态，success、error 两种
|
|||
|
|
* content - 加载页面成功时，传递加载的内容
|
|||
|
|
* @public
|
|||
|
|
*/
|
|||
|
|
Docs.prototype.loadPage = function (path, callback) {
|
|||
|
|
//console.log(path);
|
|||
|
|
var that = this;
|
|||
|
|
var url = this._encodeUrl(path, 'normal');
|
|||
|
|
this.getDoc(url, function (type, data) {
|
|||
|
|
if (type == 'fail') {
|
|||
|
|
//如果第一失败，转换url编码类型后发送第二次请求
|
|||
|
|
var url = that._encodeUrl(path, 'reverse');
|
|||
|
|
that.getDoc(url, function (type) {
|
|||
|
|
//第二次仍然失败，视为打开文档失败
|
|||
|
|
if (type == 'fail') {
|
|||
|
|
callback && callback('error');
|
|||
|
|
}
|
|||
|
|
//如果第二次才成功，转换保存的编码类型标记
|
|||
|
|
else if (type == 'done') {
|
|||
|
|
localStorage[URL_ENCODE_NAME] = localStorage[URL_ENCODE_NAME] == 'utf8' ? 'gbk' : 'utf8';
|
|||
|
|
callback && callback('success', data);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
} else if (type == 'done') {
|
|||
|
|
callback && callback('success', data);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 清理页面
|
|||
|
|
* @public
|
|||
|
|
*/
|
|||
|
|
Docs.prototype.cleanView = function () {
|
|||
|
|
this.$e.view.find('.lang-off-js-comment').off('click');
|
|||
|
|
this.$e.view.html('');
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return win.AWDocs = Docs;
|
|||
|
|
|
|||
|
|
})(window, document, jQuery);
|