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-rw-r--r--public/js/extra.js278
1 files changed, 278 insertions, 0 deletions
diff --git a/public/js/extra.js b/public/js/extra.js
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index 00000000..45833c89
--- /dev/null
+++ b/public/js/extra.js
@@ -0,0 +1,278 @@
+//get title
+function getTitle(view) {
+ var h1s = view.find("h1");
+ var title = "";
+ if (h1s.length > 0) {
+ title = h1s.first().text();
+ } else {
+ title = null;
+ }
+ return title;
+}
+//render title
+function renderTitle(view) {
+ var title = getTitle(view);
+ if (title) {
+ title += ' - HackMD';
+ } else {
+ title = 'HackMD - Collaborative notes';
+ }
+ return title;
+}
+//render filename
+function renderFilename(view) {
+ var filename = getTitle(view);
+ if (!filename) {
+ filename = 'Untitled';
+ }
+ return filename;
+}
+
+//dynamic event or object binding here
+function finishView(view) {
+ //youtube
+ view.find(".youtube").click(function () {
+ imgPlayiframe(this, '//www.youtube.com/embed/');
+ });
+ //vimeo
+ view.find(".vimeo")
+ .click(function () {
+ imgPlayiframe(this, '//player.vimeo.com/video/');
+ })
+ .each(function (key, value) {
+ $.ajax({
+ type: 'GET',
+ url: 'http://vimeo.com/api/v2/video/' + $(value).attr('videoid') + '.json',
+ jsonp: 'callback',
+ dataType: 'jsonp',
+ success: function (data) {
+ var thumbnail_src = data[0].thumbnail_large;
+ $(value).css('background-image', 'url(' + thumbnail_src + ')');
+ }
+ });
+ });
+ //gist
+ view.find("code[data-gist-id]").each(function(key, value) {
+ if($(value).children().length == 0)
+ $(value).gist();
+ });
+ //emojify
+ emojify.run(view[0]);
+ //mathjax
+ var mathjaxdivs = view.find('.mathjax').toArray();
+ try {
+ for (var i = 0; i < mathjaxdivs.length; i++) {
+ MathJax.Hub.Queue(["Typeset", MathJax.Hub, mathjaxdivs[i].innerHTML]);
+ $(mathjaxdivs[i]).removeClass("mathjax");
+ }
+ } catch(err) {
+ }
+ //sequence diagram
+ var sequence = view.find(".sequence-diagram");
+ try {
+ sequence.sequenceDiagram({
+ theme: 'simple'
+ });
+ sequence.parent().parent().replaceWith(sequence);
+ sequence.removeClass("sequence-diagram");
+ } catch(err) {
+ console.error(err);
+ }
+ //flowchart
+ var flow = view.find(".flow-chart");
+ flow.each(function (key, value) {
+ try {
+ var chart = flowchart.parse($(value).text());
+ $(value).html('');
+ chart.drawSVG(value, {
+ 'line-width': 2,
+ 'fill': 'none',
+ 'font-size': '16px',
+ 'font-family': "'Andale Mono', monospace"
+ });
+ $(value).parent().parent().replaceWith(value);
+ $(value).removeClass("flow-chart");
+ } catch(err) {
+ console.error(err);
+ }
+ });
+ //render title
+ document.title = renderTitle(view);
+}
+//only static transform should be here
+function postProcess(code) {
+ var result = $('<div>' + code + '</div>');
+ //prevent XSS
+ result.find("script").replaceWith(function () {
+ return "<noscript>" + $(this).html() + "</noscript>"
+ });
+ result.find("iframe").replaceWith(function () {
+ return "<noiframe>" + $(this).html() + "</noiframe>"
+ });
+ //todo list
+ var lis = result[0].getElementsByTagName('li');
+ for (var i = 0; i < lis.length; i++) {
+ var html = lis[i].innerHTML;
+ if (/^\s*\[[x ]\]\s+/.test(html)) {
+ lis[i].innerHTML = html.replace(/^\s*\[ \]\s*/, '<input type="checkbox" class="task-list-item-checkbox" disabled>')
+ .replace(/^\s*\[x\]\s*/, '<input type="checkbox" class="task-list-item-checkbox" checked disabled>');
+ lis[i].setAttribute('class', 'task-list-item');
+ }
+ }
+ return result;
+}
+
+function setSizebyAttr(element, target) {
+ var width = $(element).attr("width") ? $(element).attr("width") : '100%';
+ var height = $(element).attr("height") ? $(element).attr("height") : '360px';
+ $(target).width(width);
+ $(target).height(height);
+}
+
+function imgPlayiframe(element, src) {
+ if (!$(element).attr("videoid")) return;
+ var iframe = $("<iframe frameborder='0' webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>");
+ $(iframe).attr("src", src + $(element).attr("videoid") + '?autoplay=1');
+ setSizebyAttr(element, iframe);
+ $(element).html(iframe);
+}
+
+var anchorForId = function (id) {
+ var anchor = document.createElement("a");
+ anchor.className = "header-link";
+ anchor.href = "#" + id;
+ anchor.innerHTML = "<span class=\"sr-only\">Permalink</span><i class=\"fa fa-link\"></i>";
+ anchor.title = "Permalink";
+ return anchor;
+};
+
+var linkifyAnchors = function (level, containingElement) {
+ var headers = containingElement.getElementsByTagName("h" + level);
+ for (var h = 0; h < headers.length; h++) {
+ var header = headers[h];
+
+ if (typeof header.id == "undefined" || header.id == "") {
+ var id = S(header.innerHTML.toLowerCase()).trim().stripTags().dasherize().s;
+ header.id = encodeURIComponent(id);
+ }
+ header.appendChild(anchorForId(header.id));
+ }
+};
+
+function autoLinkify(view) {
+ var contentBlock = view[0];
+ if (!contentBlock) {
+ return;
+ }
+ for (var level = 1; level <= 6; level++) {
+ linkifyAnchors(level, contentBlock);
+ }
+};
+
+function scrollToHash() {
+ var hash = location.hash;
+ location.hash = "";
+ location.hash = hash;
+}
+
+function highlightRender(code, lang) {
+ if (!lang || /no(-?)highlight|plain|text/.test(lang))
+ return;
+ if(lang == 'sequence') {
+ return '<div class="sequence-diagram">' + code + '</div>';
+ } else if(lang == 'flow') {
+ return '<div class="flow-chart">' + code + '</div>';
+ }
+ var reallang = lang.replace('=', '');
+ var languages = hljs.listLanguages();
+ if (languages.indexOf(reallang) == -1) {
+ var result = hljs.highlightAuto(code);
+ } else {
+ var result = hljs.highlight(reallang, code);
+ }
+ if (/\=$/.test(lang)) {
+ var lines = result.value.split('\n');
+ var linenumbers = [];
+ for (var i = 0; i < lines.length; i++) {
+ linenumbers[i] = "<div class='linenumber'>" + (i + 1) + "</div>";
+ }
+ var linegutter = "<div class='gutter'>" + linenumbers.join('\n') + "</div>";
+ result.value = "<div class='wrapper'>" + linegutter + "<div class='code'>" + result.value + "</div></div>";
+ }
+ return result.value;
+}
+
+emojify.setConfig({
+ img_dir: '/vendor/emojify/images',
+ ignore_emoticons: true
+});
+
+var md = new Remarkable('full', {
+ html: true,
+ linkify: true,
+ typographer: true,
+ highlight: highlightRender
+});
+//youtube
+var youtubePlugin = new Plugin(
+ // regexp to match
+ /{%youtube\s*([\d\D]*?)\s*%}/,
+
+ // this function will be called when something matches
+ function (match, utils) {
+ var videoid = match[1];
+ if (!videoid) return;
+ var div = $('<div class="youtube"></div>');
+ setSizebyAttr(div, div);
+ div.attr('videoid', videoid);
+ var icon = '<i class="icon fa fa-youtube-play fa-5x"></i>';
+ div.append(icon);
+ var thumbnail_src = '//img.youtube.com/vi/' + videoid + '/hqdefault.jpg';
+ div.css('background-image', 'url(' + thumbnail_src + ')');
+ return div[0].outerHTML;
+ }
+);
+//vimeo
+var vimeoPlugin = new Plugin(
+ // regexp to match
+ /{%vimeo\s*([\d\D]*?)\s*%}/,
+
+ // this function will be called when something matches
+ function (match, utils) {
+ var videoid = match[1];
+ if (!videoid) return;
+ var div = $('<div class="vimeo"></div>');
+ setSizebyAttr(div, div);
+ div.attr('videoid', videoid);
+ var icon = '<i class="icon fa fa-vimeo-square fa-5x"></i>';
+ div.append(icon);
+ return div[0].outerHTML;
+ }
+);
+//gist
+var gistPlugin = new Plugin(
+ // regexp to match
+ /{%gist\s*([\d\D]*?)\s*%}/,
+
+ // this function will be called when something matches
+ function (match, utils) {
+ var gistid = match[1];
+ var code = '<code data-gist-id="' + gistid + '"/>';
+ return code;
+ }
+);
+//mathjax
+var mathjaxPlugin = new Plugin(
+ // regexp to match
+ /^\$\$\n([\d\D]*?)\n\$\$$|\$([\d\D]*?)\$/,
+
+ // this function will be called when something matches
+ function (match, utils) {
+ //var code = $(match).text();
+ return '<span class="mathjax">' + match[0] + '</span>';
+ }
+);
+md.use(youtubePlugin);
+md.use(vimeoPlugin);
+md.use(gistPlugin);
+md.use(mathjaxPlugin); \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 13:46:03 +0000