// ==UserScript==
// @name         Markdown Viewer Lite
// @namespace    http://tampermonkey.net/
// @version      0.5.2
// @description  view Markdown in Chrome,23 common language surportted
// @require      https://cdn.staticfile.org/zepto/1.2.0/zepto.min.js
// @require      https://greasyfork.org/scripts/34223-doccodestyle/code/docCodeStyle.js?version=225061
// @require      https://cdnjs.cloudflare.com/ajax/libs/marked/0.3.6/marked.min.js
// @require      https://greasyfork.org/scripts/34224-prism23-js/code/prism23js.js?version=224302
// @resource     http://netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
// @author       黄盐
// @match        file:///*md
// @match        file:///*markdown
// @match        file:///*mdown
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        unsafeWindow
// @run-at       document-end
// ==/UserScript==
/* jshint esversion: 6 */
(function() {
'use strict';
var codeStyleElementId = 'prismCT';   //prism code theme
var docStyleElementId = 'docTheme';
var TIMESTEP = 500; //setInterval argument milliseconds
var addonRsc = {
'EMOJI':['emojiJs','emojiCss'],
'KATEX':['katexCss', 'katexJs', 'autoRenderJs'],
'FLOWCHART':['raphaelJs', 'flowchartJs'],
'FONTAWESOME':['fontAwesomeCss'],
'MERMAID':['mermaidJs'],
'SEQUENCEDIAGRAM':['webfont', 'snapSVG', 'underscore', 'sqcDiagr'],
'TOC':['zTreeCore', 'ztree_toc', 'tocCss']
};
var addonDefaultState = {
'EMOJI':false,
'KATEX':false,
'FLOWCHART':false,
'FONTAWESOME':false,
'MERMAID':false,
'SEQUENCEDIAGRAM':false,
'TOC':false
};
var resource = {
'zEpto': 'https://cdn.staticfile.org/zepto/1.2.0/zepto.min.js',
/*EMOJI*/
'emojiCss': {
'type': 'link',
'id': 'emojiCss',
'rel': 'stylesheet',
'href': 'https://cdn.jsdelivr.net/npm/[email protected]/extras/css/emojione.min.css'
},
'emojiJs': {
'type': 'script',
'id': 'emojiJs',
'src': 'https://cdn.jsdelivr.net/npm/[email protected]/lib/js/emojione.min.js'
},
/*FONT AWESOME*/
'fontAwesomeCss': {
'type': 'link',
'id': 'fontAwesomeCss',
'rel': 'stylesheet',
'href': 'http://netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css'
},
/*KATEX*/
'katexCss': {
'type': 'link',
'id': 'katexCss',
'rel': 'stylesheet',
'href': 'https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.9.0-alpha1/katex.min.css'
},
'katexJs': {
'type': 'script',
'id': 'katexJs',
'src': 'https://greasyfork.org/scripts/34253-katex/code/KaTeX.js?version=224512'
},
'autoRenderJs': {
'type': 'script',
'id': 'autoRenderJs',
'src': 'https://cdn.staticfile.org/KaTeX/0.7.1/contrib/auto-render.min.js'
},
/*FLOWCHART*/
'flowchartJs': {
'type': 'script',
'id': 'flowchartJs',
'src': 'https://cdn.staticfile.org/flowchart/1.6.5/flowchart.min.js'
},
'raphaelJs': {
'type': 'script',
'id': 'raphaelJs',
'src': 'http://cdnjs.cloudflare.com/ajax/libs/raphael/2.2.0/raphael-min.js'
},
/*MERMAID*/
'mermaidJs':{
'type':'script',
'id':'mermaidJs',
'src':'https://unpkg.com/[email protected]/dist/mermaid.min.js'
},
/*SEQUENCEDIAGRAM*/
'webfont': {
'type': 'script',
'id': 'webfont',
'src': 'http://apps.bdimg.com/libs/webfont/1.3.0/webfont.js'
},
'snapSVG': {
'type': 'script',
'id': 'snapSVG',
'src': 'https://cdn.staticfile.org/snap.svg/0.5.1/snap.svg-min.js'
},
'underscore': {
'type': 'script',
'id': 'underscore',
'src': 'http://apps.bdimg.com/libs/underscore.js/1.7.0/underscore-min.js'
},
'sqcDiagr': {
'type': 'script',
'id': 'sqcDiagr',
'src': 'https://bramp.github.io/js-sequence-diagrams/js/sequence-diagram-min.js'
},
/*TOC table of content*/
'zTreeCore': {
'type': 'script',
'id': 'zTreeCore',
'src': 'https://greasyfork.org/scripts/34616-ztreetoccore/code/ztreeTocCore.js?version=226804'
},
'ztree_toc': {
'type': 'script',
'id': 'ztree_toc',
'src': 'https://greasyfork.org/scripts/34617-ztreetoc/code/ztreeToc.js?version=226909'
},
'tocCss': {
'type': 'script',
'id': 'tocCss',
'src': 'https://greasyfork.org/scripts/34615-ztreecss/code/ztreeCss.js?version=226902'
}
};
var optionsDefault = {
'breaks': false,
'gfm': true,
'pedantic': false,
'sanitize': false,
'smartLists': true,
'smartypants': false,
'tables': true,
};
var autoKatexOptDefault = {
'throwOnError': true,
'errorColor': '#f92672',
'macros': '',
'colorIsTextColor': false,
'maxSize': 500,
'ignoredTags': ["script", "noscript", "style", "textarea"],
'delimiters': [{
left: "$$",
right: "$$",
display: true
}, {
left: "\\[",
right: "\\]",
display: true
}, {
left: "\\(",
right: "\\)",
display: true
}]
};
/*  check/set GM_*Value  */
void function checkSetStorage(){
if(GM_getValue('prismCT') === undefined) GM_setValue('prismCT', prismCT);
if(GM_getValue('docTheme') === undefined) GM_setValue('docTheme', docTheme);
if(GM_getValue('options') === undefined) GM_setValue('options', optionsDefault);
if(GM_getValue('curPismCodeTheme') === undefined) GM_setValue('curPismCodeTheme', 'solarized');
if(GM_getValue('curDocTheme') === undefined) GM_setValue('curDocTheme', 'github');
if(GM_getValue('addonState') === undefined) GM_setValue('addonState', addonDefaultState);
if(GM_getValue('emojiMode') === undefined) GM_setValue('emojiMode', 'shortnameToImage');
if(GM_getValue('autoKatexOpt') === undefined) GM_setValue('autoKatexOpt', autoKatexOptDefault);
}();
/*  check and set div#_html class #require docCodeStyle.js */
function _htmlClass() {
var a = GM_getValue('curDocTheme');
if (a === 'github' || a === 'github_dark') {
$('#_html').addClass('markdown-body');
} else {
$('#_html').addClass('markdown-theme');
}
}
/*  addons : Add styleshtte/script to <head>    */
function addonPrepare(addonName){
addonRsc[addonName].forEach(function(curVal) {
if(!$('#'+curVal).length){
if (resource[curVal].type === 'script') {
$('head').append($('<script>', {
id: resource[curVal].id,
src: resource[curVal].src
}));
} else {
$('head').append($('<link />', {
id: resource[curVal].id,
href: resource[curVal].href,
rel: resource[curVal].rel
}));
}
}
});
}
/*  change code style or document style */
function changeStyle(e) {
var a = e.target.dataset.type; //docTheme|prismCT
var b = e.target.dataset.theme; //themename
var tmp = GM_getValue(a);
$('#' + a).html(tmp[b]);
//changeElementStyle
if(a === 'docTheme'){(GM_setValue('curDocTheme', b), _htmlClass());}
else{GM_setValue('curPismCodeTheme', b);}
$(`#g legend[data-type=${a}`).each(function() {
this.dataset.using = false;
});
$(`#g legend[data-theme=${b}`).data('using', true);
}
/*  parse according to options */
function changeOption(e) {
var a = e.target.dataset.opt;
var opt = GM_getValue('options');
opt[a] = !opt[a];
GM_setValue('options', opt);
var htmlTxt = marked($('#markdownText').val(), opt);
$('#_html').html(htmlTxt);
setTimeout(() => Prism.highlightAll(), 20);
//changeElementStyle
$(`#g legend[data-opt=${a}]`).data('using', opt[a]);
}
/*  turn off/turn on addons  */
function toggleAddons(e){
var a = e.target.dataset.name;
$(e.target).toggleClass('adoff');
var b = GM_getValue('addonState');
b[a] = !b[a];
var c = b[a];
GM_setValue('addonState',b);
reflesh();
function reflesh(){
var renderer = new marked.Renderer();
var markedOptions = GM_getValue('options');
$('body script').remove();
$('#_html').html(marked($('#markdownText').val(),markedOptions));
checkRunAddons();
setTimeout(() => Prism.highlightAll(), 20);
}
}
/*  parse text to emoji */
function useEmoji(){
addonPrepare('EMOJI');
function procEmoji(){
if (typeof(emojione) === 'object'){
try {
$('#_html').html( emojione.shortnameToImage($('#_html').html()) );
} catch(e) {
console.log(e);
}
} else{
procENum += 1;
console.log(procENum);
if(procENum>10){
console.log('Time out,please try to reflash !');
return;
}
setTimeout(procEmoji, 100);
}
}
if($('#excEmoji').length){$('#excEmoji').remove();}
$('body').append($('<script>',{
id:'excEmoji',
text:`
var procENum = 0;
${procEmoji.toString()};
setTimeout(procEmoji, 200);
`
}));
}
/*  Use katex  */
function useKaTeX() {
addonPrepare('KATEX');
function trigOnKatex(){
$('code[class*=lang]').forEach(function(item){
var language = item.className.slice(9);
var code = $(item).text();
if(language.match(/(katex|math)/i)!==null){
var tmp = $(item).text();
var num = item.parentNode.dataset.num;
$(item).unwrap();
$(item).replaceWith(`<div class='ktmath' data-num=${num}>\\[${(tmp.replace(/\n\W*\n/g,'\n\\]\\[\n'))}\\]</div>`);
}
});
renderMathInElement($('#_html')[0], option);
}
function procKatexCode() {
if (typeof(katex) === 'object') {
try {
trigOnKatex();
} catch(e) {
console.log(e);
procktNum += 1;
if (procktNum > 15) {
console.log('Use kaTeX Fail, try to Reflush! ');
return;
}
setTimeout(procKatexCode,500);
}
} else {
procktNum += 1;
if (procktNum > 10) {
console.log('Use kaTeX Fail, try to Reflush! ');
return;
}
setTimeout(procKatexCode,500);
}
}
if($('#excAutoRender').length){$('#excAutoRender').remove();}
$('body').append($('<script>', {
id: 'excAutoRender',
text: `
var procktNum;
var option = ${JSON.stringify(GM_getValue('autoKatexOpt'))};
${trigOnKatex.toString()}
${procKatexCode.toString()}
setTimeout(procKatexCode, ${TIMESTEP});
`
}));
}
/*  use flowchart  */
function useFlowchart() {
addonPrepare('FLOWCHART');
function procFlowchartCode() {
if (typeof(flowchart) === 'object') {
try {
$('pre[class$=flow]').each(function(index) {
var txt = $(this.firstElementChild).text();
var a = $('<div>', {
id: "fl" + index
});
$(this).append(a);
flowchart.parse(txt).drawSVG(a[0]);
$(this).replaceWith(a);
});
} catch(e) {
procFcNum += 1;
if (procFcNum > $('pre[class$=flow]').length+5){
console.log(e);
console.log(`convert FlowChart falid! try to Reflush!\\n[Error]:` );
return ;
}
setTimeout(procFlowchartCode, 500);
}
} else {
t1 = new Date();
procFcNum += 1;
if (procFcNum>10) {
console.log(`convert FlowChart falid! try to Reflush!` );
return;
}
}
}
if($('#excflowchart').length) {$('#excflowchart').remove();}
$('body').append($('<script>', {
id: 'excflowchart',
text: `
var procFcNum = 0;
${procFlowchartCode.toString()}
setTimeout(procFlowchartCode, ${TIMESTEP});
`
}));
}
/*  use mermaid  flowchart|sequence diagram|gantt diagram  */
function useMermaid(opt){
addonPrepare('MERMAID');
addonPrepare('FONTAWESOME');
/*add class name mermaid*/
function trigOnMermaid(){
$('code[class*=lang]').forEach(function(item){
var language = item.className.slice(9);
var code = $(item).text();
if(code.match(/(^gantt|^sequenceDiagram|^graph|^classDiagram)/)!==null){
$(item).addClass('mermaid');
}
if(language.match(/gantt/)!==null){
$(item).addClass('mermaid');
}
});
mermaid.init();
setTimeout(function(){
$('.mermaid svg').unwrap().unwrap().wrap('<div class="mermaidDiv"></div>');
},200);
}
function excMermaid(){
if(typeof(mermaid) !== 'undefined'){
try {
trigOnMermaid();
} catch(e) {
excMmNum += 1;
if(excMmNum > 15){
console.log('Use Mermaid Failed ! try to reflush !');
return;
}
console.log(e);
}
} else{
excMmNum += 1;
if(excMmNum > 10){
console.log('Use Mermaid Failed ! try to reflush !');
return;
}
setTimeout(excMermaid, 500);
}
}
// if($('#excMermaid').length){
//     $('#excMermaid').remove();
// }
$('#_html').append($('<script>',{
id:'excMermaid',
text:`
var excMmNum = 0;
${excMermaid.toString()};
${trigOnMermaid.toString()};
setTimeout(excMermaid, 10);
`
}));
}
/*  use sequence diagram  */
function useSeqcDiagram() {
addonPrepare('SEQUENCEDIAGRAM');
function procSeqcdiagram() {
if (typeof(Diagram) === 'function' || typeof(Diagram) === 'object') {
clearInterval(timerSd);
$('pre[class$=seq]').each(function(index) {
try {
var a = $('<div>',{id:'seq'+index})[0];
var b = Diagram.parse($(this.firstElementChild).text());
$(this).replaceWith(a);
b.drawSVG(a);
// $(this).replaceWith(a);
} catch(e) {
console.log(e);
}
});
} else {
t1 = new Date();
if ((t1 - t) > 10000) {
clearInterval(timerSd);
console.log('Use sequence-diagrams Fail, try to Reflush! ');
}
}
}
if($('#excAutoRender').length){$('#excAutoRender').remove();}
$('body').append($('<script>', {
id: 'excAutoRender',
text: `
var t = new Date(),t1;
${procSeqcdiagram.toString()}
timerSd = setInterval(procSeqcdiagram, ${TIMESTEP});
`
}));
}
/*  use toc  */
function useToc(){
addonPrepare('TOC');
function toc(){
if(typeof($().ztree_toc) ==='function'){
if(!$('#tree').length){
$('body').append($('<div>',{id:'tree',class:'ztree'}));
$('#tree').ztree_toc({});
$('#_html').addClass('tocView');
}
return;
}
else{
tNum += 1;
if(tNum>15 || $('#tree').length){return;}
setTimeout(toc, 500);
}
}
if($('#excToc').length){$('#excToc').remove();}
$('body').append($('<script>', {
id: 'excToc',
text: `
var tNum = 0;
${toc.toString()}
setTimeout(toc, ${TIMESTEP});
`
}));
}
/*  set marked.options.renderer  */
function setRenderer(){
var renderer = new marked.Renderer();
window.codenum = 0;
renderer.code = function(code, language) {
return `<pre class="language-${language}"><code class="language-${language}">${code}</code></pre>`;
};
return renderer;
}
/*  Add <link rel='stylesheet'> <script src='*'> element */
$('head').append($('<script>',{id:'zeptojs',src:'https://cdn.staticfile.org/zepto/1.2.0/zepto.min.js'}));
$('head').append($('<style>', {
id: docStyleElementId,
text: docTheme[GM_getValue('curDocTheme')]
}));
$('head').append($('<style>', {
id: codeStyleElementId,
text: prismCT[GM_getValue('curPismCodeTheme')]
}));
//
/* storage the raw-markdown text */
var mdSource = $('body').text();
var mdSourceNode = $('<textarea style="display:none !important;" id="markdownText">').val(mdSource);
/* load marked options */
var markedOptions = GM_getValue('options');
// markedOptions.renderer = setRenderer();
/*  empty <body>  */
$('body').empty();
/* transfer codes, set container, replace Markdown code, add stylesheet */
var htmlTxt = marked(mdSource,markedOptions);
$('body').append($('<div>',{id:'_html'}));
$('#_html').html(htmlTxt);
$('pre[data-language]').hide();
_htmlClass();
//
function checkRunAddons(){
if(GM_getValue('addonState').FLOWCHART) useFlowchart();
if(GM_getValue('addonState').KATEX) useKaTeX();
if(GM_getValue('addonState').SEQUENCEDIAGRAM) useSeqcDiagram();
if(GM_getValue('addonState').EMOJI) useEmoji();
if(GM_getValue('addonState').MERMAID) useMermaid();
if(GM_getValue('addonState').TOC) useToc();
console.log(GM_getValue('addonState').TOC+'--');
}
checkRunAddons();
/*  highlight code block  */
setTimeout(() => Prism.highlightAll(), 20);
/*append mdSourceNode*/
$('body').append(mdSourceNode);
//  stylesheet
/* global Css & Settings Css*/
GM_addStyle(`/*global*/html,body {padding:0 !important;margin:0 !important;width:auto !important;max-width:100% !important;}
pre#_markdown {word-wrap:break-word;white-space:pre-wrap;}
/*github theme*/.markdown-body {overflow:auto;min-width:888px;max-width:888px;background-color:#fff;border:1px solid #ddd;padding:45px;margin:20px auto;}
.markdown-body #_html>*:first-child {margin-top:0 !important;}
.markdown-body #_html>*:last-child {margin-bottom:0 !important;}
.markdown-body img {background-color:transparent;}
/*all other themes*/.markdown-theme {box-sizing:border-box;max-width:100% !important;padding:20px !important;margin:0 auto !important;}
@media (max-width:767px) {.markdown-theme {width:auto !important;}
}
@media (min-width:768px) and (max-width:992px) {.markdown-theme {width:713px !important;}
}
@media (min-width:992px) and (max-width:1200px) {.markdown-theme {width:937px !important;}
}
@media (min-width:1200px) {.markdown-theme {width:1145px !important;}
}
.markdown-body h1:hover .anchor,.markdown-body h2:hover .anchor,.markdown-body h3:hover .anchor,.markdown-body h4:hover .anchor,.markdown-body h5:hover .anchor,.markdown-body h6:hover .anchor {height:1em;padding-left:8px;margin-left:-28px;line-height:1;text-decoration:none;}
.markdown-body h1:hover .octicon-link,.markdown-body h2:hover .octicon-link,.markdown-body h3:hover .octicon-link,.markdown-body h4:hover .octicon-link,.markdown-body h5:hover .octicon-link,.markdown-body h6:hover .octicon-link {display:inline-block;}
/* toc */
.tocView {position:absolute;left:300px !important;}
#tree {width:300px !important;overflow:scroll;height:100%;position:fixed;background:white;}
/*mermaid svg begin*/.mermaidDiv{background:white;border-radius:10px;} .mermaidDiv svg{height:auto;}/*mermaid svg end*/
#setting {cursor:pointer;font-size:25px!important;min-width:35px;max-width:35px;padding:0 3px 5px 3px;min-height:35px;max-height:35px;text-align:center;color:cyan;background:#222;position:fixed;right:10px;top:10px;opacity:0.3;-moz-opacity:0.3;filter:alpha(opacity=30);border:2px solid cyan;border-radius:30px;transition:All 0.4s ease-in-out;-webkit-transition:All 0.4s ease-in-out;-moz-transition:All 0.4s ease-in-out;-o-transition:All 0.4s ease-in-out;}
#setting:hover {opacity:1;-moz-opacity:1;filter:alpha(opacity=100);transform:rotate(360deg);-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-o-transform:rotate(360deg);-ms-transform:rotate(360deg);}
/*setting menu css */
#g{display:none;position: fixed; top:20px;right:20px;width:125px;height:auto;list-style-type: none;}
#g *{color:#2196F3;font-size:16px;text-align:center;}
#g legend{display:block;text-align:center;background:#333;height:35px;border:0;padding:5px;margin:0;}
#g li:hover, #g legend:hover{background:yellowgreen;color:white!important;font-weight:bold!important;}
#g li{width:130px;right:0;background:#333;padding: 3px 5px;}
#g fieldset {position:absolute;right:120px;top:0;width:320px;min-height:252px;margin:0;border:0;padding:0;border-radius:10px;display:none;}
#g li:hover fieldset{display:block;}
#g legend{background:#444;width:150px;float:right;border-radius:5px;}
#g li:first-of-type{border-radius:10px 10px 0 0;}
#g li:last-of-type{border-radius:0 0 10px 10px;}
#g>li>span{width:100%;display: block;height:30px;}
#g>li:hover>span{display: block;right:100px;color:white;}
/*#s>label>fieldset:hover>label{display: block;}*/
.adoff {text-align:right!important;color:#FFEB3B!important;border-left:20px solid #FFEB3B !important;width:110px !important;}
.adoff fieldset{display:none!important;}
.using{background:yellowgreen;}
legend[data-using="true"]{background:yellowgreen!important;}
`);
//
/*  Seting button */
function gear() {
var j = GM_getValue('options');
var k = GM_getValue('autoKatexOpt');
var a = $('<div>')[0];
a.name = 'gear';
a.setAttribute('style', 'styleCss');
var tmp = `<ul id='g'><li><span>Doc Theme</span><fieldset>`;
for (var i in docTheme) {
tmp += `<legend data-theme='${i}'data-type='docTheme' data-using=${i == GM_getValue('curDocTheme')}>${i}</legend>`;
}
tmp += `</fieldset></li><li><span>Code Theme</span><fieldset>`;
for (let i in prismCT) {
tmp += `<legend data-theme='${i}'data-type='prismCT' data-using=${i == GM_getValue('curPismCodeTheme')}>${i}</legend>`;
}
tmp += `</fieldset></li><li><span>Options</span><fieldset>`;
for (let i in j) {
tmp += `<legend data-opt='${i}'data-type='options' data-using='${j[i]}'>${i}</legend>`;
}
tmp += `</fieldset></li><li><span data-name='EMOJI' class='${GM_getValue('addonState').EMOJI?'adon':'adoff'}'>Emoji</span></li>`;
tmp += `<li><span data-name='KATEX' class='${GM_getValue('addonState').KATEX?'adon':'adoff'}'>KaTeX</span><fieldset>`;
for (let i in k) {
tmp += `<legend data-opt='${k}'data-type='autoKatexOpt' data-using='${k[i]}'>${i}</legend>`;
}
tmp += `</fieldset></li><li><span data-name='FLOWCHART' class='${GM_getValue('addonState').FLOWCHART?'adon':'adoff'}'>FlowChar</span></li>`;
tmp += `<li><span data-name='SEQUENCEDIAGRAM' class='${GM_getValue('addonState').SEQUENCEDIAGRAM?'adon':'adoff'}'>Seqc Digrm</span></li>`;
tmp += `<li><span data-name='MERMAID' class='${GM_getValue('addonState').MERMAID?'adon':'adoff'}'>Mermaid</span></li>`;
tmp += `<li><span data-name='TOC' class='${GM_getValue('addonState').TOC?'adon':'adoff'}'>TOC</span></li>`;
tmp += `</ul></div><div id='setting'onclick="$('#g').toggle()">▞</div>`;
a.innerHTML = tmp;
$('body').append(a);
}
gear();
$('#g legend[data-theme]').each(function() {
this.addEventListener('click', changeStyle, false);
});
$('#g legend[data-opt]').each(function() {
this.addEventListener('click', changeOption, false);
});
$('#g span[data-name]').each(function() {
this.addEventListener('click', toggleAddons, false);
});
$('legend[data-using="true"]').addClass('using');
})();