700 lines
26 KiB
JavaScript
700 lines
26 KiB
JavaScript
define([
|
|
'jquery',
|
|
'/api/config',
|
|
'/bower_components/marked/marked.min.js',
|
|
'/common/common-hash.js',
|
|
'/common/common-util.js',
|
|
'/common/hyperscript.js',
|
|
'/common/inner/common-mediatag.js',
|
|
'/common/media-tag.js',
|
|
'/common/highlight/highlight.pack.js',
|
|
'/customize/messages.js',
|
|
'/bower_components/diff-dom/diffDOM.js',
|
|
'/bower_components/tweetnacl/nacl-fast.min.js',
|
|
'css!/common/highlight/styles/github.css'
|
|
],function ($, ApiConfig, Marked, Hash, Util, h, MT, MediaTag, Highlight, Messages) {
|
|
var DiffMd = {};
|
|
|
|
var DiffDOM = window.diffDOM;
|
|
var renderer = new Marked.Renderer();
|
|
var restrictedRenderer = new Marked.Renderer();
|
|
|
|
var argsMap = {};
|
|
|
|
var mermaidThemeCSS = //".node rect { fill: #DDD; stroke: #AAA; } " +
|
|
"rect.task, rect.task0, rect.task2 { stroke-width: 1 !important; rx: 0 !important; } " +
|
|
"g.grid g.tick line { opacity: 0.25; }" +
|
|
"g.today line { stroke: red; stroke-width: 1; stroke-dasharray: 3; opacity: 0.5; }";
|
|
|
|
var Mermaid = {
|
|
init: function () {
|
|
argsMap.mermaid = Util.slice(arguments);
|
|
require([
|
|
'mermaid',
|
|
'css!/code/mermaid-new.css'
|
|
], function (_Mermaid) {
|
|
console.debug("loaded mermaid");
|
|
Mermaid = _Mermaid;
|
|
Mermaid.initialize({
|
|
gantt: { axisFormat: '%m-%d', },
|
|
"themeCSS": mermaidThemeCSS,
|
|
});
|
|
Mermaid.init.call(argsMap.mermaid);
|
|
delete argsMap.mermaid;
|
|
});
|
|
}
|
|
};
|
|
|
|
var Mathjax = {
|
|
tex2svg: function () {
|
|
argsMap.Mathjax = Util.slice(arguments);
|
|
require([
|
|
'/bower_components/MathJax/es5/tex-svg.js',
|
|
], function () {
|
|
console.debug("Loaded mathjax");
|
|
Mathjax = window.MathJax;
|
|
if (!argsMap.Mathjax) { return; }
|
|
Mathjax.tex2svg(argsMap.Mathjax[0], argsMap.Mathjax[1]);
|
|
delete argsMap.Mathjax;
|
|
});
|
|
}
|
|
};
|
|
|
|
var drawMarkmap;
|
|
var MarkMapTransform;
|
|
var Markmap;
|
|
|
|
var markmapLoaded = false;
|
|
var loadMarkmap = function () {
|
|
require([
|
|
'/lib/markmap/transform.min.js',
|
|
'/lib/markmap/view.min.js',
|
|
], function (_Transform, _View) {
|
|
console.debug("Loaded markmap");
|
|
MarkMapTransform = _Transform;
|
|
Markmap = _View;
|
|
|
|
markmapLoaded = true;
|
|
drawMarkmap(argsMap.markmap);
|
|
delete argsMap.markmap;
|
|
});
|
|
};
|
|
|
|
var sfCommon;
|
|
var fixMathjaxClickables = function ($svg) {
|
|
// find all links in the tree and do the following for each one
|
|
var onClick = function (e) {
|
|
e.preventDefault();
|
|
e.stopImmediatePropagation();
|
|
var $el = $(e.target);
|
|
// Open links only from the preview modal
|
|
if (!sfCommon) { return void console.error('No sfCommon'); }
|
|
|
|
var href = $el.attr('href');
|
|
if (!href || !/^(https?:\/\/|\/)/.test(href)) { return; }
|
|
|
|
if (/^http/.test(href)) {
|
|
sfCommon.openUnsafeURL(href);
|
|
return;
|
|
}
|
|
sfCommon.openURL(href);
|
|
};
|
|
$svg.find('a').click(onClick);
|
|
// make sure the links added later by collapsing/expading the map are also safe
|
|
var observer = new MutationObserver(function(mutations) {
|
|
mutations.forEach(function(mutation) {
|
|
if (mutation.type === 'childList') {
|
|
var n;
|
|
for (var i = 0; i < mutation.addedNodes.length; i++) {
|
|
n = mutation.addedNodes[i];
|
|
if (n.nodeName === "A") { return void n.addEventListener('click', onClick); }
|
|
$(n).find('a').click(onClick);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
observer.observe($svg[0], {
|
|
childList: true,
|
|
subtree: true
|
|
});
|
|
};
|
|
|
|
drawMarkmap = function ($el) {
|
|
if (!markmapLoaded) {
|
|
argsMap.markmap = $el; //Util.slice(arguments);
|
|
loadMarkmap();
|
|
return;
|
|
}
|
|
|
|
if (!$el) { return console.error("no element provided"); }
|
|
|
|
var data = MarkMapTransform.transform($el[0].getAttribute("markmap-source"));
|
|
$el[0].innerHTML = "<svg width='100%' height='600'/>";
|
|
Markmap.markmap($el[0].firstChild, data);
|
|
fixMathjaxClickables($el);
|
|
};
|
|
|
|
var highlighter = function () {
|
|
return function(code, lang) {
|
|
if (lang) {
|
|
try {
|
|
return Highlight.highlight(lang, code).value;
|
|
} catch (e) {
|
|
return code;
|
|
}
|
|
}
|
|
return code;
|
|
};
|
|
};
|
|
|
|
Marked.setOptions({
|
|
//sanitize: true, // Disable HTML
|
|
renderer: renderer,
|
|
highlight: highlighter(),
|
|
});
|
|
|
|
var toc = [];
|
|
var getTOC = function () {
|
|
var content = [h('h2', Messages.markdown_toc)];
|
|
toc.forEach(function (obj) {
|
|
// Only include level 2 headings
|
|
var level = obj.level - 1;
|
|
if (level < 1) { return; }
|
|
var a = h('a.cp-md-toc-link', {
|
|
href: '#',
|
|
'data-href': obj.id,
|
|
});
|
|
a.innerHTML = obj.title;
|
|
content.push(h('p.cp-md-toc-'+level, ['• ', a]));
|
|
});
|
|
return h('div.cp-md-toc', content).outerHTML;
|
|
};
|
|
|
|
DiffMd.render = function (md, sanitize, restrictedMd) {
|
|
Marked.setOptions({
|
|
renderer: restrictedMd ? restrictedRenderer : renderer,
|
|
});
|
|
var r = Marked(md, {
|
|
sanitize: sanitize
|
|
});
|
|
|
|
// Add Table of Content
|
|
if (!restrictedMd) {
|
|
r = r.replace(/<div class="cp-md-toc"><\/div>/g, getTOC());
|
|
}
|
|
toc = [];
|
|
|
|
return r;
|
|
};
|
|
|
|
var mediaMap = {};
|
|
|
|
var defaultCode = renderer.code;
|
|
renderer.code = function (code, language) {
|
|
if (language === 'mermaid' && code.match(/^(graph|pie|gantt|sequenceDiagram|classDiagram|gitGraph)/)) {
|
|
return '<pre class="mermaid" data-plugin="mermaid">'+Util.fixHTML(code)+'</pre>';
|
|
} else if (language === 'markmap') {
|
|
return '<pre class="markmap" data-plugin="markmap">'+Util.fixHTML(code)+'</pre>';
|
|
} else if (language === 'mathjax') {
|
|
var svg = Mathjax.tex2svg(code, {display: true});
|
|
if (!svg) { return ''; }
|
|
return '<pre class="mathjax">'+ svg.innerHTML.replace(/xlink:href/g, "href") +'</pre>';
|
|
} else {
|
|
return defaultCode.apply(renderer, arguments);
|
|
}
|
|
};
|
|
restrictedRenderer.code = renderer.code;
|
|
|
|
renderer.heading = function (text, level) {
|
|
var i = 0;
|
|
var safeText = text.toLowerCase().replace(/[^\w]+/g, '-');
|
|
var getId = function () {
|
|
return 'cp-md-' + i + '-' + safeText;
|
|
};
|
|
var id = getId();
|
|
var isAlreadyUsed = function (obj) { return obj.id === id; };
|
|
while (toc.some(isAlreadyUsed)) {
|
|
i++;
|
|
id = getId();
|
|
}
|
|
toc.push({
|
|
level: level,
|
|
id: id,
|
|
title: Util.stripTags(text)
|
|
});
|
|
return "<h" + level + " id=\"" + id + "\"><a href=\"#" + id + "\" class=\"anchor\"></a>" + text + "</h" + level + ">";
|
|
};
|
|
restrictedRenderer.heading = function (text) {
|
|
return text;
|
|
};
|
|
|
|
// Tasks list
|
|
var checkedTaskItemPtn = /^\s*(<p>)?\[[xX]\](<\/p>)?\s*/;
|
|
var uncheckedTaskItemPtn = /^\s*(<p>)?\[ ?\](<\/p>)?\s*/;
|
|
var bogusCheckPtn = /<input checked="" disabled="" type="checkbox">/;
|
|
var bogusUncheckPtn = /<input disabled="" type="checkbox">/;
|
|
renderer.listitem = function (text) {
|
|
var isCheckedTaskItem = checkedTaskItemPtn.test(text);
|
|
var isUncheckedTaskItem = uncheckedTaskItemPtn.test(text);
|
|
var hasBogusCheckedInput = bogusCheckPtn.test(text);
|
|
var hasBogusUncheckedInput = bogusUncheckPtn.test(text);
|
|
var isCheckbox = true;
|
|
if (isCheckedTaskItem) {
|
|
text = text.replace(checkedTaskItemPtn,
|
|
'<i class="fa fa-check-square" aria-hidden="true"></i>') + '\n';
|
|
} else if (isUncheckedTaskItem) {
|
|
text = text.replace(uncheckedTaskItemPtn,
|
|
'<i class="fa fa-square-o" aria-hidden="true"></i>') + '\n';
|
|
} else if (hasBogusCheckedInput) {
|
|
text = text.replace(bogusCheckPtn,
|
|
'<i class="fa fa-check-square" aria-hidden="true"></i>') + '\n';
|
|
} else if (hasBogusUncheckedInput) {
|
|
text = text.replace(bogusUncheckPtn,
|
|
'<i class="fa fa-square-o" aria-hidden="true"></i>') + '\n';
|
|
} else {
|
|
isCheckbox = false;
|
|
}
|
|
var cls = (isCheckbox) ? ' class="todo-list-item"' : '';
|
|
return '<li'+ cls + '>' + text + '</li>\n';
|
|
};
|
|
restrictedRenderer.listitem = function (text) {
|
|
if (bogusCheckPtn.test(text)) {
|
|
text = text.replace(bogusCheckPtn, '');
|
|
}
|
|
return '<li>' + text + '</li>\n';
|
|
};
|
|
|
|
renderer.image = function (href, title, text) {
|
|
if (href.slice(0,6) === '/file/') {
|
|
// DEPRECATED
|
|
// Mediatag using markdown syntax should not be used anymore so they don't support
|
|
// password-protected files
|
|
console.log('DEPRECATED: mediatag using markdown syntax!');
|
|
var parsed = Hash.parsePadUrl(href);
|
|
var secret = Hash.getSecrets('file', parsed.hash);
|
|
var src = (ApiConfig.fileHost || '') +Hash.getBlobPathFromHex(secret.channel);
|
|
var key = Hash.encodeBase64(secret.keys.cryptKey);
|
|
var mt = '<media-tag src="' + src + '" data-crypto-key="cryptpad:' + key + '"></media-tag>';
|
|
if (mediaMap[src]) {
|
|
mt += mediaMap[src];
|
|
}
|
|
mt += '</media-tag>';
|
|
return mt;
|
|
}
|
|
var out = '<img src="' + href + '" alt="' + text + '"';
|
|
if (title) {
|
|
out += ' title="' + title + '"';
|
|
}
|
|
out += this.options.xhtml ? '/>' : '>';
|
|
return out;
|
|
};
|
|
restrictedRenderer.image = renderer.image;
|
|
|
|
var renderParagraph = function (p) {
|
|
return /<media\-tag[\s\S]*>/i.test(p)? p + '\n': '<p>' + p + '</p>\n';
|
|
};
|
|
renderer.paragraph = function (p) {
|
|
if (p === '[TOC]') {
|
|
return '<p><div class="cp-md-toc"></div></p>';
|
|
}
|
|
return renderParagraph(p);
|
|
};
|
|
restrictedRenderer.paragraph = function (p) {
|
|
return renderParagraph(p);
|
|
};
|
|
|
|
var forbiddenTags = [
|
|
'SCRIPT',
|
|
'IFRAME',
|
|
'OBJECT',
|
|
'APPLET',
|
|
'VIDEO', // privacy implications of videos are the same as images
|
|
'AUDIO', // same with audio
|
|
];
|
|
var unsafeTag = function (info) {
|
|
/*if (info.node && $(info.node).parents('media-tag').length) {
|
|
// Do not remove elements inside a media-tag
|
|
return true;
|
|
}*/
|
|
if (['addAttribute', 'modifyAttribute'].indexOf(info.diff.action) !== -1) {
|
|
if (/^on/i.test(info.diff.name)) {
|
|
console.log("Rejecting forbidden element attribute with name", info.diff.name);
|
|
return true;
|
|
}
|
|
}
|
|
if (['addElement', 'replaceElement'].indexOf(info.diff.action) !== -1) {
|
|
var msg = "Rejecting forbidden tag of type (%s)";
|
|
if (info.diff.element && forbiddenTags.indexOf(info.diff.element.nodeName.toUpperCase()) !== -1) {
|
|
console.log(msg, info.diff.element.nodeName);
|
|
return true;
|
|
} else if (info.diff.newValue && forbiddenTags.indexOf(info.diff.newValue.nodeName.toUpperCase()) !== -1) {
|
|
console.log("Replacing restricted element type (%s) with PRE", info.diff.newValue.nodeName);
|
|
info.diff.newValue.nodeName = 'PRE';
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
var slice = function (coll) {
|
|
return Array.prototype.slice.call(coll);
|
|
};
|
|
|
|
var removeNode = function (node) {
|
|
if (!(node && node.parentElement)) { return; }
|
|
var parent = node.parentElement;
|
|
if (!parent) { return; }
|
|
console.log('removing %s tag', node.nodeName);
|
|
parent.removeChild(node);
|
|
};
|
|
|
|
var removeForbiddenTags = function (root) { // YYY
|
|
if (!root) { return; }
|
|
if (forbiddenTags.indexOf(root.nodeName.toUpperCase()) !== -1) { removeNode(root); }
|
|
slice(root.children).forEach(removeForbiddenTags);
|
|
};
|
|
|
|
/* remove listeners from the DOM */
|
|
var removeListeners = function (root) {
|
|
if (!root) { return; }
|
|
slice(root.attributes).map(function (attr) {
|
|
if (/^on/i.test(attr.name)) {
|
|
console.log('removing attribute', attr.name, root.attributes[attr.name]);
|
|
root.attributes.removeNamedItem(attr.name);
|
|
}
|
|
});
|
|
// all the way down
|
|
slice(root.children).forEach(removeListeners);
|
|
};
|
|
|
|
var domFromHTML = function (html) {
|
|
var Dom = new DOMParser().parseFromString(html, "text/html");
|
|
Dom.normalize();
|
|
removeForbiddenTags(Dom.body);
|
|
removeListeners(Dom.body);
|
|
return Dom;
|
|
};
|
|
|
|
var DD = new DiffDOM({
|
|
preDiffApply: function (info) {
|
|
if (unsafeTag(info)) { return true; }
|
|
},
|
|
});
|
|
|
|
var makeDiff = function (A, B, id) {
|
|
var Err;
|
|
var Els = [A, B].map(function (frag) {
|
|
if (typeof(frag) === 'object') {
|
|
if (!frag || (frag && !frag.body)) {
|
|
Err = "No body";
|
|
return;
|
|
}
|
|
var els = frag.body.querySelectorAll('#'+id);
|
|
if (els.length) {
|
|
return els[0];
|
|
}
|
|
}
|
|
Err = 'No candidate found';
|
|
});
|
|
if (Err) { return Err; }
|
|
var patch = DD.diff(Els[0], Els[1]);
|
|
return patch;
|
|
};
|
|
|
|
var plugins = {};
|
|
|
|
var removeMermaidClickables = function ($el) {
|
|
// find all links in the tree and do the following for each one
|
|
$el.find('a').each(function (index, a) {
|
|
var parent = a.parentElement;
|
|
if (!parent) { return; }
|
|
// iterate over the links' children and transform them into preceding children
|
|
// to preserve their visible ordering
|
|
slice(a.children).forEach(function (child) {
|
|
parent.insertBefore(child, a);
|
|
});
|
|
// remove the link once it has been emptied
|
|
$(a).remove();
|
|
});
|
|
// finally, find all 'clickable' items and remove the class
|
|
$el.find('.clickable').removeClass('clickable');
|
|
};
|
|
|
|
plugins.mermaid = {
|
|
name: 'mermaid',
|
|
attr: 'mermaid-source',
|
|
render: function ($el) {
|
|
Mermaid.init(undefined, $el);
|
|
// clickable elements in mermaid don't work well with our sandboxing setup
|
|
// the function below strips clickable elements but still leaves behind some artifacts
|
|
// tippy tooltips might still be useful, so they're not removed. It would be
|
|
// preferable to just support links, but this covers up a rough edge in the meantime
|
|
removeMermaidClickables($el);
|
|
}
|
|
};
|
|
|
|
plugins.markmap = {
|
|
name: 'markmap',
|
|
attr: 'markmap-source',
|
|
render: function ($el) {
|
|
drawMarkmap($el);
|
|
}
|
|
};
|
|
|
|
DiffMd.apply = function (newHtml, $content, common) {
|
|
if (!sfCommon) { sfCommon = common; }
|
|
|
|
var contextMenu = common.importMediaTagMenu();
|
|
var id = $content.attr('id');
|
|
if (!id) { throw new Error("The element must have a valid id"); }
|
|
var pattern = /(<media-tag src="([^"]*)" data-crypto-key="([^"]*)">)<\/media-tag>/g;
|
|
|
|
var unsafe_newHtmlFixed = newHtml.replace(pattern, function (all, tag, src) {
|
|
var mt = tag;
|
|
if (mediaMap[src]) { mt += mediaMap[src]; }
|
|
return mt + '</media-tag>';
|
|
});
|
|
|
|
var newDomFixed = domFromHTML(unsafe_newHtmlFixed);
|
|
if (!newDomFixed || !newDomFixed.body) { return; }
|
|
var safe_newHtmlFixed = newDomFixed.body.outerHTML;
|
|
var $div = $('<div>', {id: id}).append(safe_newHtmlFixed);
|
|
|
|
var Dom = domFromHTML($('<div>').append($div).html());
|
|
$content[0].normalize();
|
|
|
|
Object.keys(plugins).forEach(function (id) {
|
|
plugins[id].source = [];
|
|
plugins[id].cache = {};
|
|
});
|
|
|
|
var canonicalizeMermaidSource = function (src) {
|
|
// ignore changes to empty lines, since that won't affect
|
|
// since it will have no effect on the rendered charts
|
|
return src.replace(/\n[ \t]*\n*[ \t]*\n/g, '\n');
|
|
};
|
|
|
|
// iterate over the unrendered mermaid and markmap inputs,
|
|
// caching their source as you go
|
|
$(newDomFixed).find('pre[data-plugin]').each(function (index, el) {
|
|
if (el.childNodes.length === 1 && el.childNodes[0].nodeType === 3) {
|
|
var plugin = plugins[el.getAttribute('data-plugin')];
|
|
if (!plugin) { return; }
|
|
var src = canonicalizeMermaidSource(el.childNodes[0].wholeText);
|
|
el.setAttribute(plugin.attr, src);
|
|
plugin.source[index] = src;
|
|
}
|
|
});
|
|
|
|
// remember the previous scroll position
|
|
var $parent = $content.parent();
|
|
var scrollTop = $parent.scrollTop();
|
|
// iterate over rendered mermaid charts
|
|
$content.find('pre[data-plugin]:not([processed="true"])').each(function (index, el) {
|
|
var plugin = plugins[el.getAttribute('data-plugin')];
|
|
if (!plugin) { return; }
|
|
|
|
// retrieve the attached source code which it was drawn
|
|
var src = el.getAttribute(plugin.attr);
|
|
|
|
/* The new source might have syntax errors that will prevent rendering.
|
|
It might be preferable to keep the existing state instead of removing it
|
|
if you don't have something better to display. Ideally we should display
|
|
the cause of the syntax error so that the user knows what to correct. */
|
|
//if (plugin.name === "mermaid" && !Mermaid.parse(src)) { } // TODO
|
|
|
|
// check if that source exists in the set of charts which are about to be rendered
|
|
if (plugin.source.indexOf(src) === -1) {
|
|
// if it's not, then you can remove it
|
|
if (el.parentNode && el.parentNode.children.length) {
|
|
el.parentNode.removeChild(el);
|
|
}
|
|
} else if (el.childNodes.length === 1 && el.childNodes[0].nodeType !== 3) {
|
|
// otherwise, confirm that the content of the rendered chart is not a text node
|
|
// and keep a copy of it
|
|
plugin.cache[src] = el.childNodes[0];
|
|
}
|
|
});
|
|
|
|
var oldDom = domFromHTML($content[0].outerHTML);
|
|
|
|
var MutationObserver = window.MutationObserver;
|
|
var onPreview = function ($mt) {
|
|
return function () {
|
|
var mts = [];
|
|
// Get all previewable elements from the doc
|
|
$content.find('media-tag, pre[data-plugin]').each(function (i, el) {
|
|
if (el.nodeName.toLowerCase() === "pre") {
|
|
var clone = el.cloneNode();
|
|
var plugin = plugins[el.getAttribute('data-plugin')];
|
|
if (!plugin) { return; }
|
|
|
|
return void mts.push({
|
|
svg: clone,
|
|
render: function () {
|
|
var $el = $(clone);
|
|
$el.text(clone.getAttribute(plugin.attr));
|
|
$el.attr('data-processed', '');
|
|
plugin.render($el);
|
|
}
|
|
});
|
|
}
|
|
var $el = $(el);
|
|
mts.push({
|
|
src: $el.attr('src'),
|
|
key: $el.attr('data-crypto-key')
|
|
});
|
|
});
|
|
|
|
// Find initial position
|
|
|
|
// If the element is a mermaid or markmap svg, get the corresponding attribute
|
|
var isSvg = $mt.is('pre[data-plugin]');
|
|
var plugin = isSvg && plugins[$mt.attr('data-plugin')];
|
|
|
|
// Get initial idx
|
|
var idx = -1;
|
|
mts.some(function (obj, i) {
|
|
if (isSvg && $mt.attr(plugin.attr) === $(obj.svg).attr(plugin.attr)) {
|
|
idx = i;
|
|
return true;
|
|
}
|
|
if (!isSvg && obj.src === $mt.attr('src')) {
|
|
idx = i;
|
|
return true;
|
|
}
|
|
});
|
|
// Not found, re-render
|
|
if (idx === -1) {
|
|
if (isSvg && $mt.attr(plugin.attr)) {
|
|
var clone = $mt[0].cloneNode();
|
|
mts.unshift({
|
|
svg: clone,
|
|
render: function () {
|
|
var $el = $(clone);
|
|
$el.text(clone.getAttribute(plugin.attr));
|
|
$el.attr('data-processed', '');
|
|
plugin.render($el);
|
|
}
|
|
});
|
|
} else {
|
|
mts.unshift({
|
|
src: $mt.attr('src'),
|
|
key: $mt.attr('data-crypto-key')
|
|
});
|
|
}
|
|
idx = 0;
|
|
}
|
|
|
|
setTimeout(function () {
|
|
common.getMediaTagPreview(mts, idx);
|
|
});
|
|
};
|
|
};
|
|
|
|
var patch = makeDiff(oldDom, Dom, id);
|
|
if (typeof(patch) === 'string') {
|
|
throw new Error(patch);
|
|
} else {
|
|
DD.apply($content[0], patch);
|
|
var $mts = $content.find('media-tag');
|
|
$mts.each(function (i, el) {
|
|
var $mt = $(el).contextmenu(function (e) {
|
|
e.preventDefault();
|
|
$(contextMenu.menu).data('mediatag', $(el));
|
|
$(contextMenu.menu).find('li').show();
|
|
contextMenu.show(e);
|
|
});
|
|
if ($mt.children().length) {
|
|
$mt.off('click dblclick preview');
|
|
$mt.on('preview', onPreview($mt));
|
|
if ($mt.find('img').length) {
|
|
$mt.on('click dblclick', function () {
|
|
$mt.trigger('preview');
|
|
});
|
|
}
|
|
return;
|
|
}
|
|
MediaTag(el);
|
|
var observer = new MutationObserver(function(mutations) {
|
|
mutations.forEach(function(mutation) {
|
|
if (mutation.type === 'childList') {
|
|
var list_values = slice(mutation.target.children)
|
|
.map(function (el) { return el.outerHTML; })
|
|
.join('');
|
|
mediaMap[mutation.target.getAttribute('src')] = list_values;
|
|
observer.disconnect();
|
|
}
|
|
});
|
|
$mt.off('click dblclick preview');
|
|
$mt.on('preview', onPreview($mt));
|
|
if ($mt.find('img').length) {
|
|
$mt.on('click dblclick', function () {
|
|
$mt.trigger('preview');
|
|
});
|
|
}
|
|
});
|
|
observer.observe(el, {
|
|
attributes: false,
|
|
childList: true,
|
|
characterData: false
|
|
});
|
|
});
|
|
// Fix Table of contents links
|
|
$content.find('a.cp-md-toc-link').off('click').click(function (e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
var $a = $(this);
|
|
if (!$a.attr('data-href')) { return; }
|
|
var target = document.getElementById($a.attr('data-href'));
|
|
if (target) { target.scrollIntoView(); }
|
|
});
|
|
|
|
// loop over mermaid elements in the rendered content
|
|
$content.find('pre[data-plugin]').each(function (index, el) {
|
|
var plugin = plugins[el.getAttribute('data-plugin')];
|
|
if (!plugin) { return; }
|
|
var $el = $(el);
|
|
$el.off('contextmenu').on('contextmenu', function (e) {
|
|
e.preventDefault();
|
|
$(contextMenu.menu).data('mediatag', $el);
|
|
$(contextMenu.menu).find('li:not(.cp-svg)').hide();
|
|
contextMenu.show(e);
|
|
});
|
|
$el.off('dblclick click preview');
|
|
$el.on('preview', onPreview($el));
|
|
$el.on('dblclick click', function () {
|
|
$el.trigger('preview');
|
|
});
|
|
|
|
// since you've simply drawn the content that was supplied via markdown
|
|
// you can assume that the index of your rendered charts matches that
|
|
// of those in the markdown source.
|
|
var src = plugin.source[index];
|
|
el.setAttribute(plugin.attr, src);
|
|
var cached = plugin.cache[src];
|
|
|
|
// check if you had cached a pre-rendered instance of the supplied source
|
|
if (typeof(cached) !== 'object') {
|
|
try {
|
|
plugin.render($el);
|
|
} catch (e) { console.error(e); }
|
|
return;
|
|
}
|
|
|
|
// if there's a cached rendering, empty out the contained source code
|
|
// which would otherwise be drawn again.
|
|
// apparently this is the fastest way to empty out an element
|
|
while (el.firstChild) { el.removeChild(el.firstChild); } //el.innerHTML = '';
|
|
// insert the cached graph
|
|
el.appendChild(cached);
|
|
// and set a flag indicating that this graph need not be reprocessed
|
|
el.setAttribute('data-processed', true);
|
|
});
|
|
}
|
|
// recover the previous scroll position to avoid jank
|
|
$parent.scrollTop(scrollTop);
|
|
};
|
|
|
|
return DiffMd;
|
|
});
|
|
|