make plugins work with multiple presentations on same page
This commit is contained in:
Hakim El Hattab
parent
210fbb7646
commit
b92d16f48d
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/*!
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/*!
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* reveal.js plugin that adds syntax highlight support.
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* reveal.js plugin that adds syntax highlight support.
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*/
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*/
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var t={id:"highlight",HIGHLIGHT_STEP_DELIMITER:"|",HIGHLIGHT_LINE_DELIMITER:",",HIGHLIGHT_LINE_RANGE_DELIMITER:"-",init:function(e){var r=e.getConfig().highlight||{};r.highlightOnLoad="boolean"!=typeof r.highlightOnLoad||r.highlightOnLoad,r.escapeHTML="boolean"!=typeof r.escapeHTML||r.escapeHTML,[].slice.call(document.querySelectorAll(".reveal pre code")).forEach((function(e){e.hasAttribute("data-trim")&&"function"==typeof e.innerHTML.trim&&(e.innerHTML=function(e){function t(e){return e.replace(/^[\s\uFEFF\xA0]+/g,"")}return function(e){var r=function(e){for(var t=e.split("\n"),r=0;r<t.length&&""===t[r].trim();r++)t.splice(r--,1);for(r=t.length-1;r>=0&&""===t[r].trim();r--)t.splice(r,1);return t.join("\n")}(e.innerHTML).split("\n"),a=r.reduce((function(e,r){return r.length>0&&t(r).length>0&&e>r.length-t(r).length?r.length-t(r).length:e}),Number.POSITIVE_INFINITY);return r.map((function(e,t){return e.slice(a)})).join("\n")}(e)}(e)),r.escapeHTML&&!e.hasAttribute("data-noescape")&&(e.innerHTML=e.innerHTML.replace(/</g,"<").replace(/>/g,">")),e.addEventListener("focusout",(function(e){hljs.highlightBlock(e.currentTarget)}),!1),r.highlightOnLoad&&t.highlightBlock(e)})),e.on("pdf-ready",(function(){[].slice.call(document.querySelectorAll(".reveal pre code[data-line-numbers].current-fragment")).forEach((function(e){t.scrollHighlightedLineIntoView(e,{},!0)}))}))},highlightBlock:function(e){if(hljs.highlightBlock(e),0!==e.innerHTML.trim().length&&e.hasAttribute("data-line-numbers")){hljs.lineNumbersBlock(e,{singleLine:!0});var r={currentBlock:e},a=t.deserializeHighlightSteps(e.getAttribute("data-line-numbers"));if(a.length>1){var i=parseInt(e.getAttribute("data-fragment-index"),10);("number"!=typeof i||isNaN(i))&&(i=null),a.slice(1).forEach((function(a){var n=e.cloneNode(!0);n.setAttribute("data-line-numbers",t.serializeHighlightSteps([a])),n.classList.add("fragment"),e.parentNode.appendChild(n),t.highlightLines(n),"number"==typeof i?(n.setAttribute("data-fragment-index",i),i+=1):n.removeAttribute("data-fragment-index"),n.addEventListener("visible",t.scrollHighlightedLineIntoView.bind(t,n,r)),n.addEventListener("hidden",t.scrollHighlightedLineIntoView.bind(t,n.previousSibling,r))})),e.removeAttribute("data-fragment-index"),e.setAttribute("data-line-numbers",t.serializeHighlightSteps([a[0]]))}var n="function"==typeof e.closest?e.closest("section:not(.stack)"):null;if(n){n.addEventListener("visible",(function a(){t.scrollHighlightedLineIntoView(e,r,!0),n.removeEventListener("visible",a)}))}t.highlightLines(e)}},scrollHighlightedLineIntoView:function(e,r,a){cancelAnimationFrame(r.animationFrameID),r.currentBlock&&(e.scrollTop=r.currentBlock.scrollTop),r.currentBlock=e;var i=this.getHighlightedLineBounds(e),n=e.offsetHeight,o=getComputedStyle(e);n-=parseInt(o.paddingTop)+parseInt(o.paddingBottom);var s=e.scrollTop,l=i.top+(Math.min(i.bottom-i.top,n)-n)/2,c=e.querySelector(".hljs-ln");if(c&&(l+=c.offsetTop-parseInt(o.paddingTop)),l=Math.max(Math.min(l,e.scrollHeight-n),0),!0===a||s===l)e.scrollTop=l;else{if(e.scrollHeight<=n)return;var _=0;!function a(){_=Math.min(_+.02,1),e.scrollTop=s+(l-s)*t.easeInOutQuart(_),_<1&&(r.animationFrameID=requestAnimationFrame(a))}()}},easeInOutQuart:function(e){return e<.5?8*e*e*e*e:1-8*--e*e*e*e},getHighlightedLineBounds:function(e){var t=e.querySelectorAll(".highlight-line");if(0===t.length)return{top:0,bottom:0};var r=t[0],a=t[t.length-1];return{top:r.offsetTop,bottom:a.offsetTop+a.offsetHeight}},highlightLines:function(e,r){var a=t.deserializeHighlightSteps(r||e.getAttribute("data-line-numbers"));a.length&&a[0].forEach((function(t){var r=[];"number"==typeof t.end?r=[].slice.call(e.querySelectorAll("table tr:nth-child(n+"+t.start+"):nth-child(-n+"+t.end+")")):"number"==typeof t.start&&(r=[].slice.call(e.querySelectorAll("table tr:nth-child("+t.start+")"))),r.length&&(r.forEach((function(e){e.classList.add("highlight-line")})),e.classList.add("has-highlights"))}))},deserializeHighlightSteps:function(e){return(e=(e=e.replace(/\s/g,"")).split(t.HIGHLIGHT_STEP_DELIMITER)).map((function(e){return e.split(t.HIGHLIGHT_LINE_DELIMITER).map((function(e){if(/^[\d-]+$/.test(e)){e=e.split(t.HIGHLIGHT_LINE_RANGE_DELIMITER);var r=parseInt(e[0],10),a=parseInt(e[1],10);return isNaN(a)?{start:r}:{start:r,end:a}}return{}}))}))},serializeHighlightSteps:function(e){return e.map((function(e){return e.map((function(e){return"number"==typeof e.end?e.start+t.HIGHLIGHT_LINE_RANGE_DELIMITER+e.end:"number"==typeof e.start?e.start:""})).join(t.HIGHLIGHT_LINE_DELIMITER)})).join(t.HIGHLIGHT_STEP_DELIMITER)}};return function(){return t}}));
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var t={id:"highlight",HIGHLIGHT_STEP_DELIMITER:"|",HIGHLIGHT_LINE_DELIMITER:",",HIGHLIGHT_LINE_RANGE_DELIMITER:"-",init:function(e){var r=e.getConfig().highlight||{};r.highlightOnLoad="boolean"!=typeof r.highlightOnLoad||r.highlightOnLoad,r.escapeHTML="boolean"!=typeof r.escapeHTML||r.escapeHTML,[].slice.call(e.getRevealElement().querySelectorAll("pre code")).forEach((function(e){e.hasAttribute("data-trim")&&"function"==typeof e.innerHTML.trim&&(e.innerHTML=function(e){function t(e){return e.replace(/^[\s\uFEFF\xA0]+/g,"")}return function(e){var r=function(e){for(var t=e.split("\n"),r=0;r<t.length&&""===t[r].trim();r++)t.splice(r--,1);for(r=t.length-1;r>=0&&""===t[r].trim();r--)t.splice(r,1);return t.join("\n")}(e.innerHTML).split("\n"),a=r.reduce((function(e,r){return r.length>0&&t(r).length>0&&e>r.length-t(r).length?r.length-t(r).length:e}),Number.POSITIVE_INFINITY);return r.map((function(e,t){return e.slice(a)})).join("\n")}(e)}(e)),r.escapeHTML&&!e.hasAttribute("data-noescape")&&(e.innerHTML=e.innerHTML.replace(/</g,"<").replace(/>/g,">")),e.addEventListener("focusout",(function(e){hljs.highlightBlock(e.currentTarget)}),!1),r.highlightOnLoad&&t.highlightBlock(e)})),e.on("pdf-ready",(function(){[].slice.call(e.getRevealElement().querySelectorAll("pre code[data-line-numbers].current-fragment")).forEach((function(e){t.scrollHighlightedLineIntoView(e,{},!0)}))}))},highlightBlock:function(e){if(hljs.highlightBlock(e),0!==e.innerHTML.trim().length&&e.hasAttribute("data-line-numbers")){hljs.lineNumbersBlock(e,{singleLine:!0});var r={currentBlock:e},a=t.deserializeHighlightSteps(e.getAttribute("data-line-numbers"));if(a.length>1){var i=parseInt(e.getAttribute("data-fragment-index"),10);("number"!=typeof i||isNaN(i))&&(i=null),a.slice(1).forEach((function(a){var n=e.cloneNode(!0);n.setAttribute("data-line-numbers",t.serializeHighlightSteps([a])),n.classList.add("fragment"),e.parentNode.appendChild(n),t.highlightLines(n),"number"==typeof i?(n.setAttribute("data-fragment-index",i),i+=1):n.removeAttribute("data-fragment-index"),n.addEventListener("visible",t.scrollHighlightedLineIntoView.bind(t,n,r)),n.addEventListener("hidden",t.scrollHighlightedLineIntoView.bind(t,n.previousSibling,r))})),e.removeAttribute("data-fragment-index"),e.setAttribute("data-line-numbers",t.serializeHighlightSteps([a[0]]))}var n="function"==typeof e.closest?e.closest("section:not(.stack)"):null;if(n){n.addEventListener("visible",(function a(){t.scrollHighlightedLineIntoView(e,r,!0),n.removeEventListener("visible",a)}))}t.highlightLines(e)}},scrollHighlightedLineIntoView:function(e,r,a){cancelAnimationFrame(r.animationFrameID),r.currentBlock&&(e.scrollTop=r.currentBlock.scrollTop),r.currentBlock=e;var i=this.getHighlightedLineBounds(e),n=e.offsetHeight,o=getComputedStyle(e);n-=parseInt(o.paddingTop)+parseInt(o.paddingBottom);var s=e.scrollTop,l=i.top+(Math.min(i.bottom-i.top,n)-n)/2,c=e.querySelector(".hljs-ln");if(c&&(l+=c.offsetTop-parseInt(o.paddingTop)),l=Math.max(Math.min(l,e.scrollHeight-n),0),!0===a||s===l)e.scrollTop=l;else{if(e.scrollHeight<=n)return;var _=0;!function a(){_=Math.min(_+.02,1),e.scrollTop=s+(l-s)*t.easeInOutQuart(_),_<1&&(r.animationFrameID=requestAnimationFrame(a))}()}},easeInOutQuart:function(e){return e<.5?8*e*e*e*e:1-8*--e*e*e*e},getHighlightedLineBounds:function(e){var t=e.querySelectorAll(".highlight-line");if(0===t.length)return{top:0,bottom:0};var r=t[0],a=t[t.length-1];return{top:r.offsetTop,bottom:a.offsetTop+a.offsetHeight}},highlightLines:function(e,r){var a=t.deserializeHighlightSteps(r||e.getAttribute("data-line-numbers"));a.length&&a[0].forEach((function(t){var r=[];"number"==typeof t.end?r=[].slice.call(e.querySelectorAll("table tr:nth-child(n+"+t.start+"):nth-child(-n+"+t.end+")")):"number"==typeof t.start&&(r=[].slice.call(e.querySelectorAll("table tr:nth-child("+t.start+")"))),r.length&&(r.forEach((function(e){e.classList.add("highlight-line")})),e.classList.add("has-highlights"))}))},deserializeHighlightSteps:function(e){return(e=(e=e.replace(/\s/g,"")).split(t.HIGHLIGHT_STEP_DELIMITER)).map((function(e){return e.split(t.HIGHLIGHT_LINE_DELIMITER).map((function(e){if(/^[\d-]+$/.test(e)){e=e.split(t.HIGHLIGHT_LINE_RANGE_DELIMITER);var r=parseInt(e[0],10),a=parseInt(e[1],10);return isNaN(a)?{start:r}:{start:r,end:a}}return{}}))}))},serializeHighlightSteps:function(e){return e.map((function(e){return e.map((function(e){return"number"==typeof e.end?e.start+t.HIGHLIGHT_LINE_RANGE_DELIMITER+e.end:"number"==typeof e.start?e.start:""})).join(t.HIGHLIGHT_LINE_DELIMITER)})).join(t.HIGHLIGHT_STEP_DELIMITER)}};return function(){return t}}));
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).RevealMath=t()}(this,(function(){"use strict";var e=function(){var e=Reveal.getConfig().math||{},t=(e.mathjax||"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js")+"?config="+(e.config||"TeX-AMS_HTML-full"),n={messageStyle:"none",tex2jax:{inlineMath:[["$","$"],["\\(","\\)"]],skipTags:["script","noscript","style","textarea","pre"]},skipStartupTypeset:!0};function a(e,t){for(var n in t)e.hasOwnProperty(n)||(e[n]=t[n])}return{id:"math",init:function(o){a(e,n),a(e.tex2jax,n.tex2jax),e.mathjax=e.config=null,function(e,t){var n=document.querySelector("head"),a=document.createElement("script");a.type="text/javascript",a.src=e;var o=function(){"function"==typeof t&&(t.call(),t=null)};a.onload=o,a.onreadystatechange=function(){"loaded"===this.readyState&&o()},n.appendChild(a)}(t,(function(){MathJax.Hub.Config(e),MathJax.Hub.Queue(["Typeset",MathJax.Hub]),MathJax.Hub.Queue(o.layout),o.on("slidechanged",(function(e){MathJax.Hub.Queue(["Typeset",MathJax.Hub,e.currentSlide])}))}))}}}();return function(){return e}}));
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).RevealMath=t()}(this,(function(){"use strict";function e(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function t(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,r)}return n}function n(n){for(var r=1;r<arguments.length;r++){var a=null!=arguments[r]?arguments[r]:{};r%2?t(Object(a),!0).forEach((function(t){e(n,t,a[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(n,Object.getOwnPropertyDescriptors(a)):t(Object(a)).forEach((function(e){Object.defineProperty(n,e,Object.getOwnPropertyDescriptor(a,e))}))}return n}return function(){var e,t={messageStyle:"none",tex2jax:{inlineMath:[["$","$"],["\\(","\\)"]],skipTags:["script","noscript","style","textarea","pre"]},skipStartupTypeset:!0};return{id:"math",init:function(r){var a=(e=r).getConfig().math||{},o=n({},t,{},a),c=(o.mathjax||"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js")+"?config="+(o.config||"TeX-AMS_HTML-full");o.tex2jax=n({},t.tex2jax,{},a.tex2jax),o.mathjax=o.config=null,function(e,t){var n=this,r=document.querySelector("head"),a=document.createElement("script");a.type="text/javascript",a.src=e;var o=function(){"function"==typeof t&&(t.call(),t=null)};a.onload=o,a.onreadystatechange=function(){"loaded"===n.readyState&&o()},r.appendChild(a)}(c,(function(){MathJax.Hub.Config(o),MathJax.Hub.Queue(["Typeset",MathJax.Hub,e.getRevealElement()]),MathJax.Hub.Queue(e.layout),e.on("slidechanged",(function(e){MathJax.Hub.Queue(["Typeset",MathJax.Hub,e.currentSlide])}))}))}}}}));
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* Handles finding a text string anywhere in the slides and showing the next occurrence to the user
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* Handles finding a text string anywhere in the slides and showing the next occurrence to the user
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* by navigatating to that slide and highlighting it.
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* by navigatating to that slide and highlighting it.
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*
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*
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* By Jon Snyder <snyder.jon@gmail.com>, February 2013
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* @author Jon Snyder <snyder.jon@gmail.com>, February 2013
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*/var e=function(){var e,t,n,i;function r(e,t){var n=document.getElementById(e)||document.body,i=t||"EM",r=new RegExp("^(?:"+i+"|SCRIPT|FORM)$"),o=["#ff6","#a0ffff","#9f9","#f99","#f6f"],d=[],l=0,a="",c=[];this.setRegex=function(e){e=e.replace(/^[^\w]+|[^\w]+$/g,"").replace(/[^\w'-]+/g,"|"),a=new RegExp("("+e+")","i")},this.getRegex=function(){return a.toString().replace(/^\/\\b\(|\)\\b\/i$/g,"").replace(/\|/g," ")},this.hiliteWords=function(e){if(null!=e&&e&&a&&!r.test(e.nodeName)){if(e.hasChildNodes())for(var t=0;t<e.childNodes.length;t++)this.hiliteWords(e.childNodes[t]);if(3==e.nodeType&&(nv=e.nodeValue)&&(regs=a.exec(nv))){for(var n=e;null!=n&&"SECTION"!=n.nodeName;)n=n.parentNode;var s=Reveal.getIndices(n),u=c.length,h=!1;for(t=0;t<u;t++)c[t].h===s.h&&c[t].v===s.v&&(h=!0);h||c.push(s),d[regs[0].toLowerCase()]||(d[regs[0].toLowerCase()]=o[l++%o.length]);var p=document.createElement(i);p.appendChild(document.createTextNode(regs[0])),p.style.backgroundColor=d[regs[0].toLowerCase()],p.style.fontStyle="inherit",p.style.color="#000";var f=e.splitText(regs.index);f.nodeValue=f.nodeValue.substring(regs[0].length),e.parentNode.insertBefore(p,f)}}},this.remove=function(){for(var e=document.getElementsByTagName(i);e.length&&(el=e[0]);)el.parentNode.replaceChild(el.firstChild,el)},this.apply=function(e){if(null!=e&&e)return this.remove(),this.setRegex(e),this.hiliteWords(n),c}}function o(){var e=document.getElementById("searchinputdiv"),t=document.getElementById("searchinput");e.style.display="inline",t.focus(),t.select()}function d(){document.getElementById("searchinputdiv").style.display="none",i&&i.remove()}function l(){if(n){var o=document.getElementById("searchinput").value;""===o?(i&&i.remove(),e=null):(i=new r("slidecontent"),e=i.apply(o),t=0)}e&&(e.length&&e.length<=t&&(t=0),e.length>t&&(Reveal.slide(e[t].h,e[t].v),t++))}var a={};if(a.wrapper=document.querySelector(".reveal"),!a.wrapper.querySelector(".searchbox")){var c=document.createElement("div");c.id="searchinputdiv",c.classList.add("searchdiv"),c.style.position="absolute",c.style.top="10px",c.style.right="10px",c.style.zIndex=10,c.innerHTML='<span><input type="search" id="searchinput" class="searchinput" style="vertical-align: top;"/><img src="data:image/png;base64,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" id="searchbutton" class="searchicon" style="vertical-align: top; margin-top: -1px;"/></span>',a.wrapper.appendChild(c)}return document.getElementById("searchbutton").addEventListener("click",(function(e){l()}),!1),document.getElementById("searchinput").addEventListener("keyup",(function(e){switch(e.keyCode){case 13:e.preventDefault(),l(),n=!1;break;default:n=!0}}),!1),document.addEventListener("keydown",(function(e){"F"==e.key&&(e.ctrlKey||e.metaKey)&&(e.preventDefault(),"inline"!==document.getElementById("searchinputdiv").style.display?o():d())}),!1),d(),{id:"search",init:function(e){e.registerKeyboardShortcut("CTRL + Shift + F","Search")},open:o}}();return function(){return e}}));
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*/return function(){var e,t,n,o,i,l,r;function s(){(t=document.createElement("div")).classList.add("searchbox"),t.style.position="absolute",t.style.top="10px",t.style.right="10px",t.style.zIndex=10,t.innerHTML='<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>\n\t\t</span>',(n=t.querySelector(".searchinput")).style.width="240px",n.style.fontSize="14px",n.style.padding="4px 6px",n.style.color="#000",n.style.background="#fff",n.style.borderRadius="2px",n.style.border="0",n.style.outline="0",n.style.boxShadow="0 2px 18px rgba(0, 0, 0, 0.2)",n.style["-webkit-appearance"]="none",e.getRevealElement().appendChild(t),n.addEventListener("keyup",(function(t){switch(t.keyCode){case 13:t.preventDefault(),function(){if(l){var t=n.value;""===t?(r&&r.remove(),o=null):(r=new c("slidecontent"),o=r.apply(t),i=0)}o&&(o.length&&o.length<=i&&(i=0),o.length>i&&(e.slide(o[i].h,o[i].v),i++))}(),l=!1;break;default:l=!0}}),!1),d()}function a(){t||s(),t.style.display="inline",n.focus(),n.select()}function d(){t||s(),t.style.display="none",r&&r.remove()}function c(t,n){var o=document.getElementById(t)||document.body,i=n||"EM",l=new RegExp("^(?:"+i+"|SCRIPT|FORM)$"),r=["#ff6","#a0ffff","#9f9","#f99","#f6f"],s=[],a=0,d="",c=[];this.setRegex=function(e){e=e.replace(/^[^\w]+|[^\w]+$/g,"").replace(/[^\w'-]+/g,"|"),d=new RegExp("("+e+")","i")},this.getRegex=function(){return d.toString().replace(/^\/\\b\(|\)\\b\/i$/g,"").replace(/\|/g," ")},this.hiliteWords=function(t){if(null!=t&&t&&d&&!l.test(t.nodeName)){if(t.hasChildNodes())for(var n=0;n<t.childNodes.length;n++)this.hiliteWords(t.childNodes[n]);var o,f;if(3==t.nodeType)if((o=t.nodeValue)&&(f=d.exec(o))){for(var u=t;null!=u&&"SECTION"!=u.nodeName;)u=u.parentNode;var p=e.getIndices(u),h=c.length,y=!1;for(n=0;n<h;n++)c[n].h===p.h&&c[n].v===p.v&&(y=!0);y||c.push(p),s[f[0].toLowerCase()]||(s[f[0].toLowerCase()]=r[a++%r.length]);var g=document.createElement(i);g.appendChild(document.createTextNode(f[0])),g.style.backgroundColor=s[f[0].toLowerCase()],g.style.fontStyle="inherit",g.style.color="#000";var v=t.splitText(f.index);v.nodeValue=v.nodeValue.substring(f[0].length),t.parentNode.insertBefore(g,v)}}},this.remove=function(){for(var e,t=document.getElementsByTagName(i);t.length&&(e=t[0]);)e.parentNode.replaceChild(e.firstChild,e)},this.apply=function(e){if(null!=e&&e)return this.remove(),this.setRegex(e),this.hiliteWords(o),c}}return{id:"search",init:function(n){(e=n).registerKeyboardShortcut("CTRL + Shift + F","Search"),document.addEventListener("keydown",(function(e){"F"==e.key&&(e.ctrlKey||e.metaKey)&&(e.preventDefault(),t||s(),"inline"!==t.style.display?a():d())}),!1)},open:a}}}));
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<link rel="stylesheet" href="../dist/reveal.css">
|
<link rel="stylesheet" href="../dist/reveal.css">
|
||||||
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
|
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
|
||||||
|
<link rel="stylesheet" href="../lib/css/monokai.css">
|
||||||
</head>
|
</head>
|
||||||
|
|
||||||
<body style="background: #ddd;">
|
<body style="background: #ddd;">
|
||||||
|
|
@ -19,6 +20,14 @@
|
||||||
<div class="slides">
|
<div class="slides">
|
||||||
<section>Deck 1, Slide 1</section>
|
<section>Deck 1, Slide 1</section>
|
||||||
<section>Deck 1, Slide 2</section>
|
<section>Deck 1, Slide 2</section>
|
||||||
|
<section>
|
||||||
|
<pre data-id="code-animation"><code class="hljs" data-trim data-line-numbers>
|
||||||
|
import React, { useState } from 'react';
|
||||||
|
function Example() {
|
||||||
|
const [count, setCount] = useState(0);
|
||||||
|
}
|
||||||
|
</code></pre>
|
||||||
|
</section>
|
||||||
</div>
|
</div>
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
|
|
@ -26,16 +35,38 @@
|
||||||
<div class="slides">
|
<div class="slides">
|
||||||
<section>Deck 2, Slide 1</section>
|
<section>Deck 2, Slide 1</section>
|
||||||
<section>Deck 2, Slide 2</section>
|
<section>Deck 2, Slide 2</section>
|
||||||
|
<section data-markdown>
|
||||||
|
<script type="text/template">
|
||||||
|
## Markdown plugin
|
||||||
|
|
||||||
|
- 1
|
||||||
|
- 2
|
||||||
|
- 3
|
||||||
|
</script>
|
||||||
|
</section>
|
||||||
|
<section>
|
||||||
|
<h3>The Lorenz Equations</h3>
|
||||||
|
|
||||||
|
\[\begin{aligned}
|
||||||
|
\dot{x} & = \sigma(y-x) \\
|
||||||
|
\dot{y} & = \rho x - y - xz \\
|
||||||
|
\dot{z} & = -\beta z + xy
|
||||||
|
\end{aligned} \]
|
||||||
|
</section>
|
||||||
</div>
|
</div>
|
||||||
</div>
|
</div>
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<script src="../dist/reveal.es5.js"></script>
|
<script src="../dist/reveal.es5.js"></script>
|
||||||
|
<script src="../dist/plugin/highlight.js"></script>
|
||||||
|
<script src="../dist/plugin/markdown.js"></script>
|
||||||
|
<script src="../dist/plugin/math.js"></script>
|
||||||
<script>
|
<script>
|
||||||
|
|
||||||
let deck1 = new Reveal( document.querySelector( '.deck1' ), {
|
let deck1 = new Reveal( document.querySelector( '.deck1' ), {
|
||||||
embedded: true,
|
embedded: true,
|
||||||
keyboard: false
|
keyboard: false,
|
||||||
|
plugins: [ RevealHighlight ]
|
||||||
} );
|
} );
|
||||||
deck1.on( 'slidechanged', () => {
|
deck1.on( 'slidechanged', () => {
|
||||||
console.log( 'Deck 1 slide changed' );
|
console.log( 'Deck 1 slide changed' );
|
||||||
|
|
@ -44,7 +75,8 @@
|
||||||
|
|
||||||
let deck2 = new Reveal( document.querySelector( '.deck2' ), {
|
let deck2 = new Reveal( document.querySelector( '.deck2' ), {
|
||||||
embedded: true,
|
embedded: true,
|
||||||
keyboard: false
|
keyboard: true,
|
||||||
|
plugins: [ RevealMarkdown, RevealMath ]
|
||||||
} );
|
} );
|
||||||
deck2.initialize().then( () => {
|
deck2.initialize().then( () => {
|
||||||
deck2.slide(1);
|
deck2.slide(1);
|
||||||
|
|
|
||||||
|
|
@ -13,14 +13,22 @@ let Plugin = {
|
||||||
HIGHLIGHT_LINE_DELIMITER: ',',
|
HIGHLIGHT_LINE_DELIMITER: ',',
|
||||||
HIGHLIGHT_LINE_RANGE_DELIMITER: '-',
|
HIGHLIGHT_LINE_RANGE_DELIMITER: '-',
|
||||||
|
|
||||||
init: function( deck ) {
|
/**
|
||||||
|
* Highlights code blocks withing the given deck.
|
||||||
|
*
|
||||||
|
* Note that this can be called multiple times if
|
||||||
|
* there are multiple presentations on one page.
|
||||||
|
*
|
||||||
|
* @param {Reveal} reveal the reveal.js instance
|
||||||
|
*/
|
||||||
|
init: function( reveal ) {
|
||||||
|
|
||||||
// Read the plugin config options and provide fallbacks
|
// Read the plugin config options and provide fallbacks
|
||||||
var config = deck.getConfig().highlight || {};
|
var config = reveal.getConfig().highlight || {};
|
||||||
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
|
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
|
||||||
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
|
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
|
||||||
|
|
||||||
[].slice.call( document.querySelectorAll( '.reveal pre code' ) ).forEach( function( block ) {
|
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( function( block ) {
|
||||||
|
|
||||||
// Trim whitespace if the "data-trim" attribute is present
|
// Trim whitespace if the "data-trim" attribute is present
|
||||||
if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) {
|
if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) {
|
||||||
|
|
@ -45,8 +53,8 @@ let Plugin = {
|
||||||
|
|
||||||
// If we're printing to PDF, scroll the code highlights of
|
// If we're printing to PDF, scroll the code highlights of
|
||||||
// all blocks in the deck into view at once
|
// all blocks in the deck into view at once
|
||||||
deck.on( 'pdf-ready', function() {
|
reveal.on( 'pdf-ready', function() {
|
||||||
[].slice.call( document.querySelectorAll( '.reveal pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
|
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
|
||||||
Plugin.scrollHighlightedLineIntoView( block, {}, true );
|
Plugin.scrollHighlightedLineIntoView( block, {}, true );
|
||||||
} );
|
} );
|
||||||
} );
|
} );
|
||||||
|
|
|
||||||
|
|
@ -6,429 +6,435 @@
|
||||||
|
|
||||||
import marked from './marked.js'
|
import marked from './marked.js'
|
||||||
|
|
||||||
let Plugin = {
|
const DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
|
||||||
|
DEFAULT_NOTES_SEPARATOR = 'notes?:',
|
||||||
|
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
|
||||||
|
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
|
||||||
|
|
||||||
id: 'markdown',
|
const SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
|
||||||
|
|
||||||
|
const Plugin = () => {
|
||||||
|
|
||||||
|
// The reveal.js instance this plugin is attached to
|
||||||
|
let deck;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Starts processing and converting Markdown within the
|
* Retrieves the markdown contents of a slide section
|
||||||
* current reveal.js deck.
|
* element. Normalizes leading tabs/whitespace.
|
||||||
*/
|
*/
|
||||||
init: function( deck ) {
|
function getMarkdownFromSlide( section ) {
|
||||||
|
|
||||||
// This should no longer be needed, as long as the highlight.js
|
// look for a <script> or <textarea data-template> wrapper
|
||||||
// plugin is included after the markdown plugin
|
var template = section.querySelector( '[data-template]' ) || section.querySelector( 'script' );
|
||||||
// if( typeof window.hljs !== 'undefined' ) {
|
|
||||||
// marked.setOptions({
|
|
||||||
// highlight: function( code, lang ) {
|
|
||||||
// return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
|
|
||||||
// }
|
|
||||||
// });
|
|
||||||
// }
|
|
||||||
|
|
||||||
// marked can be configured via reveal.js config options
|
// strip leading whitespace so it isn't evaluated as code
|
||||||
var options = deck.getConfig().markdown;
|
var text = ( template || section ).textContent;
|
||||||
if( options ) {
|
|
||||||
marked.setOptions( options );
|
// restore script end tags
|
||||||
|
text = text.replace( new RegExp( SCRIPT_END_PLACEHOLDER, 'g' ), '</script>' );
|
||||||
|
|
||||||
|
var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
|
||||||
|
leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
|
||||||
|
|
||||||
|
if( leadingTabs > 0 ) {
|
||||||
|
text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
|
||||||
|
}
|
||||||
|
else if( leadingWs > 1 ) {
|
||||||
|
text = text.replace( new RegExp('\\n? {' + leadingWs + '}', 'g'), '\n' );
|
||||||
}
|
}
|
||||||
|
|
||||||
return processSlides( deck.getRevealElement() ).then( convertSlides );
|
return text;
|
||||||
|
|
||||||
},
|
|
||||||
|
|
||||||
// TODO: Do these belong in the API?
|
|
||||||
processSlides: processSlides,
|
|
||||||
convertSlides: convertSlides,
|
|
||||||
slidify: slidify,
|
|
||||||
marked: marked
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
export default () => Plugin;
|
|
||||||
|
|
||||||
var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
|
|
||||||
DEFAULT_NOTES_SEPARATOR = 'notes?:',
|
|
||||||
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
|
|
||||||
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
|
|
||||||
|
|
||||||
var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Retrieves the markdown contents of a slide section
|
|
||||||
* element. Normalizes leading tabs/whitespace.
|
|
||||||
*/
|
|
||||||
function getMarkdownFromSlide( section ) {
|
|
||||||
|
|
||||||
// look for a <script> or <textarea data-template> wrapper
|
|
||||||
var template = section.querySelector( '[data-template]' ) || section.querySelector( 'script' );
|
|
||||||
|
|
||||||
// strip leading whitespace so it isn't evaluated as code
|
|
||||||
var text = ( template || section ).textContent;
|
|
||||||
|
|
||||||
// restore script end tags
|
|
||||||
text = text.replace( new RegExp( SCRIPT_END_PLACEHOLDER, 'g' ), '</script>' );
|
|
||||||
|
|
||||||
var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
|
|
||||||
leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
|
|
||||||
|
|
||||||
if( leadingTabs > 0 ) {
|
|
||||||
text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
|
|
||||||
}
|
|
||||||
else if( leadingWs > 1 ) {
|
|
||||||
text = text.replace( new RegExp('\\n? {' + leadingWs + '}', 'g'), '\n' );
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return text;
|
/**
|
||||||
|
* Given a markdown slide section element, this will
|
||||||
|
* return all arguments that aren't related to markdown
|
||||||
|
* parsing. Used to forward any other user-defined arguments
|
||||||
|
* to the output markdown slide.
|
||||||
|
*/
|
||||||
|
function getForwardedAttributes( section ) {
|
||||||
|
|
||||||
}
|
var attributes = section.attributes;
|
||||||
|
var result = [];
|
||||||
|
|
||||||
/**
|
for( var i = 0, len = attributes.length; i < len; i++ ) {
|
||||||
* Given a markdown slide section element, this will
|
var name = attributes[i].name,
|
||||||
* return all arguments that aren't related to markdown
|
value = attributes[i].value;
|
||||||
* parsing. Used to forward any other user-defined arguments
|
|
||||||
* to the output markdown slide.
|
|
||||||
*/
|
|
||||||
function getForwardedAttributes( section ) {
|
|
||||||
|
|
||||||
var attributes = section.attributes;
|
// disregard attributes that are used for markdown loading/parsing
|
||||||
var result = [];
|
if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
|
||||||
|
|
||||||
for( var i = 0, len = attributes.length; i < len; i++ ) {
|
|
||||||
var name = attributes[i].name,
|
|
||||||
value = attributes[i].value;
|
|
||||||
|
|
||||||
// disregard attributes that are used for markdown loading/parsing
|
|
||||||
if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
|
|
||||||
|
|
||||||
if( value ) {
|
|
||||||
result.push( name + '="' + value + '"' );
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
result.push( name );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return result.join( ' ' );
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Inspects the given options and fills out default
|
|
||||||
* values for what's not defined.
|
|
||||||
*/
|
|
||||||
function getSlidifyOptions( options ) {
|
|
||||||
|
|
||||||
options = options || {};
|
|
||||||
options.separator = options.separator || DEFAULT_SLIDE_SEPARATOR;
|
|
||||||
options.notesSeparator = options.notesSeparator || DEFAULT_NOTES_SEPARATOR;
|
|
||||||
options.attributes = options.attributes || '';
|
|
||||||
|
|
||||||
return options;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Helper function for constructing a markdown slide.
|
|
||||||
*/
|
|
||||||
function createMarkdownSlide( content, options ) {
|
|
||||||
|
|
||||||
options = getSlidifyOptions( options );
|
|
||||||
|
|
||||||
var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) );
|
|
||||||
|
|
||||||
if( notesMatch.length === 2 ) {
|
|
||||||
content = notesMatch[0] + '<aside class="notes">' + marked(notesMatch[1].trim()) + '</aside>';
|
|
||||||
}
|
|
||||||
|
|
||||||
// prevent script end tags in the content from interfering
|
|
||||||
// with parsing
|
|
||||||
content = content.replace( /<\/script>/g, SCRIPT_END_PLACEHOLDER );
|
|
||||||
|
|
||||||
return '<script type="text/template">' + content + '</script>';
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Parses a data string into multiple slides based
|
|
||||||
* on the passed in separator arguments.
|
|
||||||
*/
|
|
||||||
function slidify( markdown, options ) {
|
|
||||||
|
|
||||||
options = getSlidifyOptions( options );
|
|
||||||
|
|
||||||
var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ),
|
|
||||||
horizontalSeparatorRegex = new RegExp( options.separator );
|
|
||||||
|
|
||||||
var matches,
|
|
||||||
lastIndex = 0,
|
|
||||||
isHorizontal,
|
|
||||||
wasHorizontal = true,
|
|
||||||
content,
|
|
||||||
sectionStack = [];
|
|
||||||
|
|
||||||
// iterate until all blocks between separators are stacked up
|
|
||||||
while( matches = separatorRegex.exec( markdown ) ) {
|
|
||||||
var notes = null;
|
|
||||||
|
|
||||||
// determine direction (horizontal by default)
|
|
||||||
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
|
|
||||||
|
|
||||||
if( !isHorizontal && wasHorizontal ) {
|
|
||||||
// create vertical stack
|
|
||||||
sectionStack.push( [] );
|
|
||||||
}
|
|
||||||
|
|
||||||
// pluck slide content from markdown input
|
|
||||||
content = markdown.substring( lastIndex, matches.index );
|
|
||||||
|
|
||||||
if( isHorizontal && wasHorizontal ) {
|
|
||||||
// add to horizontal stack
|
|
||||||
sectionStack.push( content );
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
// add to vertical stack
|
|
||||||
sectionStack[sectionStack.length-1].push( content );
|
|
||||||
}
|
|
||||||
|
|
||||||
lastIndex = separatorRegex.lastIndex;
|
|
||||||
wasHorizontal = isHorizontal;
|
|
||||||
}
|
|
||||||
|
|
||||||
// add the remaining slide
|
|
||||||
( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
|
|
||||||
|
|
||||||
var markdownSections = '';
|
|
||||||
|
|
||||||
// flatten the hierarchical stack, and insert <section data-markdown> tags
|
|
||||||
for( var i = 0, len = sectionStack.length; i < len; i++ ) {
|
|
||||||
// vertical
|
|
||||||
if( sectionStack[i] instanceof Array ) {
|
|
||||||
markdownSections += '<section '+ options.attributes +'>';
|
|
||||||
|
|
||||||
sectionStack[i].forEach( function( child ) {
|
|
||||||
markdownSections += '<section data-markdown>' + createMarkdownSlide( child, options ) + '</section>';
|
|
||||||
} );
|
|
||||||
|
|
||||||
markdownSections += '</section>';
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
markdownSections += '<section '+ options.attributes +' data-markdown>' + createMarkdownSlide( sectionStack[i], options ) + '</section>';
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return markdownSections;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Parses any current data-markdown slides, splits
|
|
||||||
* multi-slide markdown into separate sections and
|
|
||||||
* handles loading of external markdown.
|
|
||||||
*/
|
|
||||||
function processSlides( scope ) {
|
|
||||||
|
|
||||||
return new Promise( function( resolve ) {
|
|
||||||
|
|
||||||
var externalPromises = [];
|
|
||||||
|
|
||||||
[].slice.call( scope.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])') ).forEach( function( section, i ) {
|
|
||||||
|
|
||||||
if( section.getAttribute( 'data-markdown' ).length ) {
|
|
||||||
|
|
||||||
externalPromises.push( loadExternalMarkdown( section ).then(
|
|
||||||
|
|
||||||
// Finished loading external file
|
|
||||||
function( xhr, url ) {
|
|
||||||
section.outerHTML = slidify( xhr.responseText, {
|
|
||||||
separator: section.getAttribute( 'data-separator' ),
|
|
||||||
verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
|
||||||
notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
|
||||||
attributes: getForwardedAttributes( section )
|
|
||||||
});
|
|
||||||
},
|
|
||||||
|
|
||||||
// Failed to load markdown
|
|
||||||
function( xhr, url ) {
|
|
||||||
section.outerHTML = '<section data-state="alert">' +
|
|
||||||
'ERROR: The attempt to fetch ' + url + ' failed with HTTP status ' + xhr.status + '.' +
|
|
||||||
'Check your browser\'s JavaScript console for more details.' +
|
|
||||||
'<p>Remember that you need to serve the presentation HTML from a HTTP server.</p>' +
|
|
||||||
'</section>';
|
|
||||||
}
|
|
||||||
|
|
||||||
) );
|
|
||||||
|
|
||||||
}
|
|
||||||
else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
|
|
||||||
|
|
||||||
section.outerHTML = slidify( getMarkdownFromSlide( section ), {
|
|
||||||
separator: section.getAttribute( 'data-separator' ),
|
|
||||||
verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
|
||||||
notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
|
||||||
attributes: getForwardedAttributes( section )
|
|
||||||
});
|
|
||||||
|
|
||||||
|
if( value ) {
|
||||||
|
result.push( name + '="' + value + '"' );
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
|
result.push( name );
|
||||||
}
|
}
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
Promise.all( externalPromises ).then( resolve );
|
|
||||||
|
|
||||||
} );
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
function loadExternalMarkdown( section ) {
|
|
||||||
|
|
||||||
return new Promise( function( resolve, reject ) {
|
|
||||||
|
|
||||||
var xhr = new XMLHttpRequest(),
|
|
||||||
url = section.getAttribute( 'data-markdown' );
|
|
||||||
|
|
||||||
var datacharset = section.getAttribute( 'data-charset' );
|
|
||||||
|
|
||||||
// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
|
|
||||||
if( datacharset != null && datacharset != '' ) {
|
|
||||||
xhr.overrideMimeType( 'text/html; charset=' + datacharset );
|
|
||||||
}
|
}
|
||||||
|
|
||||||
xhr.onreadystatechange = function( section, xhr ) {
|
return result.join( ' ' );
|
||||||
if( xhr.readyState === 4 ) {
|
|
||||||
// file protocol yields status code 0 (useful for local debug, mobile applications etc.)
|
|
||||||
if ( ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status === 0 ) {
|
|
||||||
|
|
||||||
resolve( xhr, url );
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Inspects the given options and fills out default
|
||||||
|
* values for what's not defined.
|
||||||
|
*/
|
||||||
|
function getSlidifyOptions( options ) {
|
||||||
|
|
||||||
|
options = options || {};
|
||||||
|
options.separator = options.separator || DEFAULT_SLIDE_SEPARATOR;
|
||||||
|
options.notesSeparator = options.notesSeparator || DEFAULT_NOTES_SEPARATOR;
|
||||||
|
options.attributes = options.attributes || '';
|
||||||
|
|
||||||
|
return options;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Helper function for constructing a markdown slide.
|
||||||
|
*/
|
||||||
|
function createMarkdownSlide( content, options ) {
|
||||||
|
|
||||||
|
options = getSlidifyOptions( options );
|
||||||
|
|
||||||
|
var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) );
|
||||||
|
|
||||||
|
if( notesMatch.length === 2 ) {
|
||||||
|
content = notesMatch[0] + '<aside class="notes">' + marked(notesMatch[1].trim()) + '</aside>';
|
||||||
|
}
|
||||||
|
|
||||||
|
// prevent script end tags in the content from interfering
|
||||||
|
// with parsing
|
||||||
|
content = content.replace( /<\/script>/g, SCRIPT_END_PLACEHOLDER );
|
||||||
|
|
||||||
|
return '<script type="text/template">' + content + '</script>';
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Parses a data string into multiple slides based
|
||||||
|
* on the passed in separator arguments.
|
||||||
|
*/
|
||||||
|
function slidify( markdown, options ) {
|
||||||
|
|
||||||
|
options = getSlidifyOptions( options );
|
||||||
|
|
||||||
|
var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ),
|
||||||
|
horizontalSeparatorRegex = new RegExp( options.separator );
|
||||||
|
|
||||||
|
var matches,
|
||||||
|
lastIndex = 0,
|
||||||
|
isHorizontal,
|
||||||
|
wasHorizontal = true,
|
||||||
|
content,
|
||||||
|
sectionStack = [];
|
||||||
|
|
||||||
|
// iterate until all blocks between separators are stacked up
|
||||||
|
while( matches = separatorRegex.exec( markdown ) ) {
|
||||||
|
var notes = null;
|
||||||
|
|
||||||
|
// determine direction (horizontal by default)
|
||||||
|
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
|
||||||
|
|
||||||
|
if( !isHorizontal && wasHorizontal ) {
|
||||||
|
// create vertical stack
|
||||||
|
sectionStack.push( [] );
|
||||||
|
}
|
||||||
|
|
||||||
|
// pluck slide content from markdown input
|
||||||
|
content = markdown.substring( lastIndex, matches.index );
|
||||||
|
|
||||||
|
if( isHorizontal && wasHorizontal ) {
|
||||||
|
// add to horizontal stack
|
||||||
|
sectionStack.push( content );
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// add to vertical stack
|
||||||
|
sectionStack[sectionStack.length-1].push( content );
|
||||||
|
}
|
||||||
|
|
||||||
|
lastIndex = separatorRegex.lastIndex;
|
||||||
|
wasHorizontal = isHorizontal;
|
||||||
|
}
|
||||||
|
|
||||||
|
// add the remaining slide
|
||||||
|
( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
|
||||||
|
|
||||||
|
var markdownSections = '';
|
||||||
|
|
||||||
|
// flatten the hierarchical stack, and insert <section data-markdown> tags
|
||||||
|
for( var i = 0, len = sectionStack.length; i < len; i++ ) {
|
||||||
|
// vertical
|
||||||
|
if( sectionStack[i] instanceof Array ) {
|
||||||
|
markdownSections += '<section '+ options.attributes +'>';
|
||||||
|
|
||||||
|
sectionStack[i].forEach( function( child ) {
|
||||||
|
markdownSections += '<section data-markdown>' + createMarkdownSlide( child, options ) + '</section>';
|
||||||
|
} );
|
||||||
|
|
||||||
|
markdownSections += '</section>';
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
markdownSections += '<section '+ options.attributes +' data-markdown>' + createMarkdownSlide( sectionStack[i], options ) + '</section>';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return markdownSections;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Parses any current data-markdown slides, splits
|
||||||
|
* multi-slide markdown into separate sections and
|
||||||
|
* handles loading of external markdown.
|
||||||
|
*/
|
||||||
|
function processSlides( scope ) {
|
||||||
|
|
||||||
|
return new Promise( function( resolve ) {
|
||||||
|
|
||||||
|
var externalPromises = [];
|
||||||
|
|
||||||
|
[].slice.call( scope.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])') ).forEach( function( section, i ) {
|
||||||
|
|
||||||
|
if( section.getAttribute( 'data-markdown' ).length ) {
|
||||||
|
|
||||||
|
externalPromises.push( loadExternalMarkdown( section ).then(
|
||||||
|
|
||||||
|
// Finished loading external file
|
||||||
|
function( xhr, url ) {
|
||||||
|
section.outerHTML = slidify( xhr.responseText, {
|
||||||
|
separator: section.getAttribute( 'data-separator' ),
|
||||||
|
verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
||||||
|
notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
||||||
|
attributes: getForwardedAttributes( section )
|
||||||
|
});
|
||||||
|
},
|
||||||
|
|
||||||
|
// Failed to load markdown
|
||||||
|
function( xhr, url ) {
|
||||||
|
section.outerHTML = '<section data-state="alert">' +
|
||||||
|
'ERROR: The attempt to fetch ' + url + ' failed with HTTP status ' + xhr.status + '.' +
|
||||||
|
'Check your browser\'s JavaScript console for more details.' +
|
||||||
|
'<p>Remember that you need to serve the presentation HTML from a HTTP server.</p>' +
|
||||||
|
'</section>';
|
||||||
|
}
|
||||||
|
|
||||||
|
) );
|
||||||
|
|
||||||
|
}
|
||||||
|
else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
|
||||||
|
|
||||||
|
section.outerHTML = slidify( getMarkdownFromSlide( section ), {
|
||||||
|
separator: section.getAttribute( 'data-separator' ),
|
||||||
|
verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
||||||
|
notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
||||||
|
attributes: getForwardedAttributes( section )
|
||||||
|
});
|
||||||
|
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
|
section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
|
||||||
reject( xhr, url );
|
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
|
||||||
}.bind( this, section, xhr );
|
|
||||||
|
|
||||||
xhr.open( 'GET', url, true );
|
});
|
||||||
|
|
||||||
try {
|
Promise.all( externalPromises ).then( resolve );
|
||||||
xhr.send();
|
|
||||||
}
|
|
||||||
catch ( e ) {
|
|
||||||
console.warn( 'Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e );
|
|
||||||
resolve( xhr, url );
|
|
||||||
}
|
|
||||||
|
|
||||||
} );
|
} );
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Check if a node value has the attributes pattern.
|
|
||||||
* If yes, extract it and add that value as one or several attributes
|
|
||||||
* to the target element.
|
|
||||||
*
|
|
||||||
* You need Cache Killer on Chrome to see the effect on any FOM transformation
|
|
||||||
* directly on refresh (F5)
|
|
||||||
* http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
|
|
||||||
*/
|
|
||||||
function addAttributeInElement( node, elementTarget, separator ) {
|
|
||||||
|
|
||||||
var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
|
|
||||||
var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' );
|
|
||||||
var nodeValue = node.nodeValue;
|
|
||||||
var matches,
|
|
||||||
matchesClass;
|
|
||||||
if( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
|
|
||||||
|
|
||||||
var classes = matches[1];
|
|
||||||
nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
|
|
||||||
node.nodeValue = nodeValue;
|
|
||||||
while( matchesClass = mardownClassRegex.exec( classes ) ) {
|
|
||||||
if( matchesClass[2] ) {
|
|
||||||
elementTarget.setAttribute( matchesClass[1], matchesClass[2] );
|
|
||||||
} else {
|
|
||||||
elementTarget.setAttribute( matchesClass[3], "" );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
}
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
function loadExternalMarkdown( section ) {
|
||||||
* Add attributes to the parent element of a text node,
|
|
||||||
* or the element of an attribute node.
|
return new Promise( function( resolve, reject ) {
|
||||||
*/
|
|
||||||
function addAttributes( section, element, previousElement, separatorElementAttributes, separatorSectionAttributes ) {
|
var xhr = new XMLHttpRequest(),
|
||||||
|
url = section.getAttribute( 'data-markdown' );
|
||||||
|
|
||||||
|
var datacharset = section.getAttribute( 'data-charset' );
|
||||||
|
|
||||||
|
// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
|
||||||
|
if( datacharset != null && datacharset != '' ) {
|
||||||
|
xhr.overrideMimeType( 'text/html; charset=' + datacharset );
|
||||||
|
}
|
||||||
|
|
||||||
|
xhr.onreadystatechange = function( section, xhr ) {
|
||||||
|
if( xhr.readyState === 4 ) {
|
||||||
|
// file protocol yields status code 0 (useful for local debug, mobile applications etc.)
|
||||||
|
if ( ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status === 0 ) {
|
||||||
|
|
||||||
|
resolve( xhr, url );
|
||||||
|
|
||||||
if ( element != null && element.childNodes != undefined && element.childNodes.length > 0 ) {
|
|
||||||
var previousParentElement = element;
|
|
||||||
for( var i = 0; i < element.childNodes.length; i++ ) {
|
|
||||||
var childElement = element.childNodes[i];
|
|
||||||
if ( i > 0 ) {
|
|
||||||
var j = i - 1;
|
|
||||||
while ( j >= 0 ) {
|
|
||||||
var aPreviousChildElement = element.childNodes[j];
|
|
||||||
if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) {
|
|
||||||
previousParentElement = aPreviousChildElement;
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
j = j - 1;
|
else {
|
||||||
|
|
||||||
|
reject( xhr, url );
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}.bind( this, section, xhr );
|
||||||
|
|
||||||
|
xhr.open( 'GET', url, true );
|
||||||
|
|
||||||
|
try {
|
||||||
|
xhr.send();
|
||||||
|
}
|
||||||
|
catch ( e ) {
|
||||||
|
console.warn( 'Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e );
|
||||||
|
resolve( xhr, url );
|
||||||
|
}
|
||||||
|
|
||||||
|
} );
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Check if a node value has the attributes pattern.
|
||||||
|
* If yes, extract it and add that value as one or several attributes
|
||||||
|
* to the target element.
|
||||||
|
*
|
||||||
|
* You need Cache Killer on Chrome to see the effect on any FOM transformation
|
||||||
|
* directly on refresh (F5)
|
||||||
|
* http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
|
||||||
|
*/
|
||||||
|
function addAttributeInElement( node, elementTarget, separator ) {
|
||||||
|
|
||||||
|
var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
|
||||||
|
var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' );
|
||||||
|
var nodeValue = node.nodeValue;
|
||||||
|
var matches,
|
||||||
|
matchesClass;
|
||||||
|
if( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
|
||||||
|
|
||||||
|
var classes = matches[1];
|
||||||
|
nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
|
||||||
|
node.nodeValue = nodeValue;
|
||||||
|
while( matchesClass = mardownClassRegex.exec( classes ) ) {
|
||||||
|
if( matchesClass[2] ) {
|
||||||
|
elementTarget.setAttribute( matchesClass[1], matchesClass[2] );
|
||||||
|
} else {
|
||||||
|
elementTarget.setAttribute( matchesClass[3], "" );
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
var parentSection = section;
|
return true;
|
||||||
if( childElement.nodeName == "section" ) {
|
}
|
||||||
parentSection = childElement ;
|
return false;
|
||||||
previousParentElement = childElement ;
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Add attributes to the parent element of a text node,
|
||||||
|
* or the element of an attribute node.
|
||||||
|
*/
|
||||||
|
function addAttributes( section, element, previousElement, separatorElementAttributes, separatorSectionAttributes ) {
|
||||||
|
|
||||||
|
if ( element != null && element.childNodes != undefined && element.childNodes.length > 0 ) {
|
||||||
|
var previousParentElement = element;
|
||||||
|
for( var i = 0; i < element.childNodes.length; i++ ) {
|
||||||
|
var childElement = element.childNodes[i];
|
||||||
|
if ( i > 0 ) {
|
||||||
|
var j = i - 1;
|
||||||
|
while ( j >= 0 ) {
|
||||||
|
var aPreviousChildElement = element.childNodes[j];
|
||||||
|
if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) {
|
||||||
|
previousParentElement = aPreviousChildElement;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
j = j - 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
var parentSection = section;
|
||||||
|
if( childElement.nodeName == "section" ) {
|
||||||
|
parentSection = childElement ;
|
||||||
|
previousParentElement = childElement ;
|
||||||
|
}
|
||||||
|
if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) {
|
||||||
|
addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes );
|
||||||
|
}
|
||||||
}
|
}
|
||||||
if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) {
|
}
|
||||||
addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes );
|
|
||||||
|
if ( element.nodeType == Node.COMMENT_NODE ) {
|
||||||
|
if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) {
|
||||||
|
addAttributeInElement( element, section, separatorSectionAttributes );
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if ( element.nodeType == Node.COMMENT_NODE ) {
|
/**
|
||||||
if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) {
|
* Converts any current data-markdown slides in the
|
||||||
addAttributeInElement( element, section, separatorSectionAttributes );
|
* DOM to HTML.
|
||||||
}
|
*/
|
||||||
|
function convertSlides() {
|
||||||
|
|
||||||
|
var sections = deck.getRevealElement().querySelectorAll( '[data-markdown]:not([data-markdown-parsed])');
|
||||||
|
|
||||||
|
[].slice.call( sections ).forEach( function( section ) {
|
||||||
|
|
||||||
|
section.setAttribute( 'data-markdown-parsed', true )
|
||||||
|
|
||||||
|
var notes = section.querySelector( 'aside.notes' );
|
||||||
|
var markdown = getMarkdownFromSlide( section );
|
||||||
|
|
||||||
|
section.innerHTML = marked( markdown );
|
||||||
|
addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||
|
||||||
|
section.parentNode.getAttribute( 'data-element-attributes' ) ||
|
||||||
|
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR,
|
||||||
|
section.getAttribute( 'data-attributes' ) ||
|
||||||
|
section.parentNode.getAttribute( 'data-attributes' ) ||
|
||||||
|
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR);
|
||||||
|
|
||||||
|
// If there were notes, we need to re-add them after
|
||||||
|
// having overwritten the section's HTML
|
||||||
|
if( notes ) {
|
||||||
|
section.appendChild( notes );
|
||||||
|
}
|
||||||
|
|
||||||
|
} );
|
||||||
|
|
||||||
|
return Promise.resolve();
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
return {
|
||||||
* Converts any current data-markdown slides in the
|
id: 'markdown',
|
||||||
* DOM to HTML.
|
|
||||||
*/
|
|
||||||
function convertSlides() {
|
|
||||||
|
|
||||||
var sections = document.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])');
|
/**
|
||||||
|
* Starts processing and converting Markdown within the
|
||||||
|
* current reveal.js deck.
|
||||||
|
*/
|
||||||
|
init: function( reveal ) {
|
||||||
|
|
||||||
[].slice.call( sections ).forEach( function( section ) {
|
deck = reveal;
|
||||||
|
|
||||||
section.setAttribute( 'data-markdown-parsed', true )
|
// This should no longer be needed, as long as the highlight.js
|
||||||
|
// plugin is included after the markdown plugin
|
||||||
|
// if( typeof window.hljs !== 'undefined' ) {
|
||||||
|
// marked.setOptions({
|
||||||
|
// highlight: function( code, lang ) {
|
||||||
|
// return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
|
||||||
|
// }
|
||||||
|
// });
|
||||||
|
// }
|
||||||
|
|
||||||
var notes = section.querySelector( 'aside.notes' );
|
// marked can be configured via reveal.js config options
|
||||||
var markdown = getMarkdownFromSlide( section );
|
var options = deck.getConfig().markdown;
|
||||||
|
if( options ) {
|
||||||
|
marked.setOptions( options );
|
||||||
|
}
|
||||||
|
|
||||||
section.innerHTML = marked( markdown );
|
return processSlides( deck.getRevealElement() ).then( convertSlides );
|
||||||
addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||
|
|
||||||
section.parentNode.getAttribute( 'data-element-attributes' ) ||
|
|
||||||
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR,
|
|
||||||
section.getAttribute( 'data-attributes' ) ||
|
|
||||||
section.parentNode.getAttribute( 'data-attributes' ) ||
|
|
||||||
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR);
|
|
||||||
|
|
||||||
// If there were notes, we need to re-add them after
|
},
|
||||||
// having overwritten the section's HTML
|
|
||||||
if( notes ) {
|
|
||||||
section.appendChild( notes );
|
|
||||||
}
|
|
||||||
|
|
||||||
} );
|
// TODO: Do these belong in the API?
|
||||||
|
processSlides: processSlides,
|
||||||
|
convertSlides: convertSlides,
|
||||||
|
slidify: slidify,
|
||||||
|
marked: marked
|
||||||
|
}
|
||||||
|
|
||||||
return Promise.resolve();
|
};
|
||||||
|
|
||||||
}
|
export default Plugin;
|
||||||
|
|
|
||||||
|
|
@ -4,14 +4,12 @@
|
||||||
*
|
*
|
||||||
* @author Hakim El Hattab
|
* @author Hakim El Hattab
|
||||||
*/
|
*/
|
||||||
let Plugin = (function(){
|
const Plugin = () => {
|
||||||
|
|
||||||
var options = Reveal.getConfig().math || {};
|
// The reveal.js instance this plugin is attached to
|
||||||
var mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js';
|
let deck;
|
||||||
var config = options.config || 'TeX-AMS_HTML-full';
|
|
||||||
var url = mathjax + '?config=' + config;
|
|
||||||
|
|
||||||
var defaultOptions = {
|
let defaultOptions = {
|
||||||
messageStyle: 'none',
|
messageStyle: 'none',
|
||||||
tex2jax: {
|
tex2jax: {
|
||||||
inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ] ],
|
inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ] ],
|
||||||
|
|
@ -20,25 +18,15 @@ let Plugin = (function(){
|
||||||
skipStartupTypeset: true
|
skipStartupTypeset: true
|
||||||
};
|
};
|
||||||
|
|
||||||
function defaults( options, defaultOptions ) {
|
|
||||||
|
|
||||||
for ( var i in defaultOptions ) {
|
|
||||||
if ( !options.hasOwnProperty( i ) ) {
|
|
||||||
options[i] = defaultOptions[i];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
function loadScript( url, callback ) {
|
function loadScript( url, callback ) {
|
||||||
|
|
||||||
var head = document.querySelector( 'head' );
|
let head = document.querySelector( 'head' );
|
||||||
var script = document.createElement( 'script' );
|
let script = document.createElement( 'script' );
|
||||||
script.type = 'text/javascript';
|
script.type = 'text/javascript';
|
||||||
script.src = url;
|
script.src = url;
|
||||||
|
|
||||||
// Wrapper for callback to make sure it only fires once
|
// Wrapper for callback to make sure it only fires once
|
||||||
var finish = function() {
|
let finish = () => {
|
||||||
if( typeof callback === 'function' ) {
|
if( typeof callback === 'function' ) {
|
||||||
callback.call();
|
callback.call();
|
||||||
callback = null;
|
callback = null;
|
||||||
|
|
@ -48,7 +36,7 @@ let Plugin = (function(){
|
||||||
script.onload = finish;
|
script.onload = finish;
|
||||||
|
|
||||||
// IE
|
// IE
|
||||||
script.onreadystatechange = function() {
|
script.onreadystatechange = () => {
|
||||||
if ( this.readyState === 'loaded' ) {
|
if ( this.readyState === 'loaded' ) {
|
||||||
finish();
|
finish();
|
||||||
}
|
}
|
||||||
|
|
@ -62,10 +50,19 @@ let Plugin = (function(){
|
||||||
return {
|
return {
|
||||||
id: 'math',
|
id: 'math',
|
||||||
|
|
||||||
init: function( deck ) {
|
init: function( reveal ) {
|
||||||
|
|
||||||
|
deck = reveal;
|
||||||
|
|
||||||
|
let revealOptions = deck.getConfig().math || {};
|
||||||
|
|
||||||
|
let options = { ...defaultOptions, ...revealOptions };
|
||||||
|
let mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js';
|
||||||
|
let config = options.config || 'TeX-AMS_HTML-full';
|
||||||
|
let url = mathjax + '?config=' + config;
|
||||||
|
|
||||||
|
options.tex2jax = { ...defaultOptions.tex2jax, ...revealOptions.tex2jax };
|
||||||
|
|
||||||
defaults( options, defaultOptions );
|
|
||||||
defaults( options.tex2jax, defaultOptions.tex2jax );
|
|
||||||
options.mathjax = options.config = null;
|
options.mathjax = options.config = null;
|
||||||
|
|
||||||
loadScript( url, function() {
|
loadScript( url, function() {
|
||||||
|
|
@ -74,7 +71,7 @@ let Plugin = (function(){
|
||||||
|
|
||||||
// Typeset followed by an immediate reveal.js layout since
|
// Typeset followed by an immediate reveal.js layout since
|
||||||
// the typesetting process could affect slide height
|
// the typesetting process could affect slide height
|
||||||
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub ] );
|
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, deck.getRevealElement() ] );
|
||||||
MathJax.Hub.Queue( deck.layout );
|
MathJax.Hub.Queue( deck.layout );
|
||||||
|
|
||||||
// Reprocess equations in slides when they turn visible
|
// Reprocess equations in slides when they turn visible
|
||||||
|
|
@ -89,6 +86,6 @@ let Plugin = (function(){
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
})();
|
};
|
||||||
|
|
||||||
export default () => Plugin;
|
export default Plugin;
|
||||||
|
|
|
||||||
|
|
@ -2,130 +2,89 @@
|
||||||
* Handles finding a text string anywhere in the slides and showing the next occurrence to the user
|
* Handles finding a text string anywhere in the slides and showing the next occurrence to the user
|
||||||
* by navigatating to that slide and highlighting it.
|
* by navigatating to that slide and highlighting it.
|
||||||
*
|
*
|
||||||
* By Jon Snyder <snyder.jon@gmail.com>, February 2013
|
* @author Jon Snyder <snyder.jon@gmail.com>, February 2013
|
||||||
*/
|
*/
|
||||||
|
|
||||||
var Plugin = (function() {
|
const Plugin = () => {
|
||||||
|
|
||||||
var matchedSlides;
|
// The reveal.js instance this plugin is attached to
|
||||||
var currentMatchedIndex;
|
let deck;
|
||||||
var searchboxDirty;
|
|
||||||
var myHilitor;
|
|
||||||
|
|
||||||
// Original JavaScript code by Chirp Internet: www.chirp.com.au
|
let searchElement;
|
||||||
// Please acknowledge use of this code by including this header.
|
let searchButton;
|
||||||
// 2/2013 jon: modified regex to display any match, not restricted to word boundaries.
|
let searchInput;
|
||||||
|
|
||||||
function Hilitor(id, tag)
|
let matchedSlides;
|
||||||
{
|
let currentMatchedIndex;
|
||||||
|
let searchboxDirty;
|
||||||
|
let hilitor;
|
||||||
|
|
||||||
var targetNode = document.getElementById(id) || document.body;
|
function render() {
|
||||||
var hiliteTag = tag || "EM";
|
|
||||||
var skipTags = new RegExp("^(?:" + hiliteTag + "|SCRIPT|FORM)$");
|
|
||||||
var colors = ["#ff6", "#a0ffff", "#9f9", "#f99", "#f6f"];
|
|
||||||
var wordColor = [];
|
|
||||||
var colorIdx = 0;
|
|
||||||
var matchRegex = "";
|
|
||||||
var matchingSlides = [];
|
|
||||||
|
|
||||||
this.setRegex = function(input)
|
searchElement = document.createElement( 'div' );
|
||||||
{
|
searchElement.classList.add( 'searchbox' );
|
||||||
input = input.replace(/^[^\w]+|[^\w]+$/g, "").replace(/[^\w'-]+/g, "|");
|
searchElement.style.position = 'absolute';
|
||||||
matchRegex = new RegExp("(" + input + ")","i");
|
searchElement.style.top = '10px';
|
||||||
}
|
searchElement.style.right = '10px';
|
||||||
|
searchElement.style.zIndex = 10;
|
||||||
|
|
||||||
this.getRegex = function()
|
//embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
|
||||||
{
|
searchElement.innerHTML = `<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>
|
||||||
return matchRegex.toString().replace(/^\/\\b\(|\)\\b\/i$/g, "").replace(/\|/g, " ");
|
</span>`;
|
||||||
}
|
|
||||||
|
|
||||||
// recursively apply word highlighting
|
searchInput = searchElement.querySelector( '.searchinput' );
|
||||||
this.hiliteWords = function(node)
|
searchInput.style.width = '240px';
|
||||||
{
|
searchInput.style.fontSize = '14px';
|
||||||
if(node == undefined || !node) return;
|
searchInput.style.padding = '4px 6px';
|
||||||
if(!matchRegex) return;
|
searchInput.style.color = '#000';
|
||||||
if(skipTags.test(node.nodeName)) return;
|
searchInput.style.background = '#fff';
|
||||||
|
searchInput.style.borderRadius = '2px';
|
||||||
|
searchInput.style.border = '0';
|
||||||
|
searchInput.style.outline = '0';
|
||||||
|
searchInput.style.boxShadow = '0 2px 18px rgba(0, 0, 0, 0.2)';
|
||||||
|
searchInput.style['-webkit-appearance'] = 'none';
|
||||||
|
|
||||||
if(node.hasChildNodes()) {
|
deck.getRevealElement().appendChild( searchElement );
|
||||||
for(var i=0; i < node.childNodes.length; i++)
|
|
||||||
this.hiliteWords(node.childNodes[i]);
|
|
||||||
}
|
|
||||||
if(node.nodeType == 3) { // NODE_TEXT
|
|
||||||
if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
|
|
||||||
//find the slide's section element and save it in our list of matching slides
|
|
||||||
var secnode = node;
|
|
||||||
while (secnode != null && secnode.nodeName != 'SECTION') {
|
|
||||||
secnode = secnode.parentNode;
|
|
||||||
}
|
|
||||||
|
|
||||||
var slideIndex = Reveal.getIndices(secnode);
|
// searchButton.addEventListener( 'click', function(event) {
|
||||||
var slidelen = matchingSlides.length;
|
// doSearch();
|
||||||
var alreadyAdded = false;
|
// }, false );
|
||||||
for (var i=0; i < slidelen; i++) {
|
|
||||||
if ( (matchingSlides[i].h === slideIndex.h) && (matchingSlides[i].v === slideIndex.v) ) {
|
|
||||||
alreadyAdded = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (! alreadyAdded) {
|
|
||||||
matchingSlides.push(slideIndex);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(!wordColor[regs[0].toLowerCase()]) {
|
searchInput.addEventListener( 'keyup', function( event ) {
|
||||||
wordColor[regs[0].toLowerCase()] = colors[colorIdx++ % colors.length];
|
switch (event.keyCode) {
|
||||||
}
|
case 13:
|
||||||
|
event.preventDefault();
|
||||||
var match = document.createElement(hiliteTag);
|
doSearch();
|
||||||
match.appendChild(document.createTextNode(regs[0]));
|
searchboxDirty = false;
|
||||||
match.style.backgroundColor = wordColor[regs[0].toLowerCase()];
|
break;
|
||||||
match.style.fontStyle = "inherit";
|
default:
|
||||||
match.style.color = "#000";
|
searchboxDirty = true;
|
||||||
|
|
||||||
var after = node.splitText(regs.index);
|
|
||||||
after.nodeValue = after.nodeValue.substring(regs[0].length);
|
|
||||||
node.parentNode.insertBefore(match, after);
|
|
||||||
}
|
}
|
||||||
}
|
}, false );
|
||||||
};
|
|
||||||
|
|
||||||
// remove highlighting
|
closeSearch();
|
||||||
this.remove = function()
|
|
||||||
{
|
|
||||||
var arr = document.getElementsByTagName(hiliteTag);
|
|
||||||
while(arr.length && (el = arr[0])) {
|
|
||||||
el.parentNode.replaceChild(el.firstChild, el);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// start highlighting at target node
|
}
|
||||||
this.apply = function(input)
|
|
||||||
{
|
|
||||||
if(input == undefined || !input) return;
|
|
||||||
this.remove();
|
|
||||||
this.setRegex(input);
|
|
||||||
this.hiliteWords(targetNode);
|
|
||||||
return matchingSlides;
|
|
||||||
};
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
function openSearch() {
|
function openSearch() {
|
||||||
//ensure the search term input dialog is visible and has focus:
|
if( !searchElement ) render();
|
||||||
var inputboxdiv = document.getElementById("searchinputdiv");
|
|
||||||
var inputbox = document.getElementById("searchinput");
|
searchElement.style.display = 'inline';
|
||||||
inputboxdiv.style.display = "inline";
|
searchInput.focus();
|
||||||
inputbox.focus();
|
searchInput.select();
|
||||||
inputbox.select();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
function closeSearch() {
|
function closeSearch() {
|
||||||
var inputboxdiv = document.getElementById("searchinputdiv");
|
if( !searchElement ) render();
|
||||||
inputboxdiv.style.display = "none";
|
|
||||||
if(myHilitor) myHilitor.remove();
|
searchElement.style.display = 'none';
|
||||||
|
if(hilitor) hilitor.remove();
|
||||||
}
|
}
|
||||||
|
|
||||||
function toggleSearch() {
|
function toggleSearch() {
|
||||||
var inputboxdiv = document.getElementById("searchinputdiv");
|
if( !searchElement ) render();
|
||||||
if (inputboxdiv.style.display !== "inline") {
|
|
||||||
|
if (searchElement.style.display !== 'inline') {
|
||||||
openSearch();
|
openSearch();
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
|
|
@ -136,16 +95,16 @@ function Hilitor(id, tag)
|
||||||
function doSearch() {
|
function doSearch() {
|
||||||
//if there's been a change in the search term, perform a new search:
|
//if there's been a change in the search term, perform a new search:
|
||||||
if (searchboxDirty) {
|
if (searchboxDirty) {
|
||||||
var searchstring = document.getElementById("searchinput").value;
|
var searchstring = searchInput.value;
|
||||||
|
|
||||||
if (searchstring === '') {
|
if (searchstring === '') {
|
||||||
if(myHilitor) myHilitor.remove();
|
if(hilitor) hilitor.remove();
|
||||||
matchedSlides = null;
|
matchedSlides = null;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
//find the keyword amongst the slides
|
//find the keyword amongst the slides
|
||||||
myHilitor = new Hilitor("slidecontent");
|
hilitor = new Hilitor("slidecontent");
|
||||||
matchedSlides = myHilitor.apply(searchstring);
|
matchedSlides = hilitor.apply(searchstring);
|
||||||
currentMatchedIndex = 0;
|
currentMatchedIndex = 0;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
@ -156,66 +115,129 @@ function Hilitor(id, tag)
|
||||||
currentMatchedIndex = 0;
|
currentMatchedIndex = 0;
|
||||||
}
|
}
|
||||||
if (matchedSlides.length > currentMatchedIndex) {
|
if (matchedSlides.length > currentMatchedIndex) {
|
||||||
Reveal.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
|
deck.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
|
||||||
currentMatchedIndex++;
|
currentMatchedIndex++;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
var dom = {};
|
// Original JavaScript code by Chirp Internet: www.chirp.com.au
|
||||||
dom.wrapper = document.querySelector( '.reveal' );
|
// Please acknowledge use of this code by including this header.
|
||||||
|
// 2/2013 jon: modified regex to display any match, not restricted to word boundaries.
|
||||||
|
function Hilitor(id, tag) {
|
||||||
|
|
||||||
|
var targetNode = document.getElementById(id) || document.body;
|
||||||
|
var hiliteTag = tag || "EM";
|
||||||
|
var skipTags = new RegExp("^(?:" + hiliteTag + "|SCRIPT|FORM)$");
|
||||||
|
var colors = ["#ff6", "#a0ffff", "#9f9", "#f99", "#f6f"];
|
||||||
|
var wordColor = [];
|
||||||
|
var colorIdx = 0;
|
||||||
|
var matchRegex = "";
|
||||||
|
var matchingSlides = [];
|
||||||
|
|
||||||
|
this.setRegex = function(input)
|
||||||
|
{
|
||||||
|
input = input.replace(/^[^\w]+|[^\w]+$/g, "").replace(/[^\w'-]+/g, "|");
|
||||||
|
matchRegex = new RegExp("(" + input + ")","i");
|
||||||
|
}
|
||||||
|
|
||||||
|
this.getRegex = function()
|
||||||
|
{
|
||||||
|
return matchRegex.toString().replace(/^\/\\b\(|\)\\b\/i$/g, "").replace(/\|/g, " ");
|
||||||
|
}
|
||||||
|
|
||||||
|
// recursively apply word highlighting
|
||||||
|
this.hiliteWords = function(node)
|
||||||
|
{
|
||||||
|
if(node == undefined || !node) return;
|
||||||
|
if(!matchRegex) return;
|
||||||
|
if(skipTags.test(node.nodeName)) return;
|
||||||
|
|
||||||
|
if(node.hasChildNodes()) {
|
||||||
|
for(var i=0; i < node.childNodes.length; i++)
|
||||||
|
this.hiliteWords(node.childNodes[i]);
|
||||||
|
}
|
||||||
|
if(node.nodeType == 3) { // NODE_TEXT
|
||||||
|
var nv, regs;
|
||||||
|
if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
|
||||||
|
//find the slide's section element and save it in our list of matching slides
|
||||||
|
var secnode = node;
|
||||||
|
while (secnode != null && secnode.nodeName != 'SECTION') {
|
||||||
|
secnode = secnode.parentNode;
|
||||||
|
}
|
||||||
|
|
||||||
|
var slideIndex = deck.getIndices(secnode);
|
||||||
|
var slidelen = matchingSlides.length;
|
||||||
|
var alreadyAdded = false;
|
||||||
|
for (var i=0; i < slidelen; i++) {
|
||||||
|
if ( (matchingSlides[i].h === slideIndex.h) && (matchingSlides[i].v === slideIndex.v) ) {
|
||||||
|
alreadyAdded = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (! alreadyAdded) {
|
||||||
|
matchingSlides.push(slideIndex);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!wordColor[regs[0].toLowerCase()]) {
|
||||||
|
wordColor[regs[0].toLowerCase()] = colors[colorIdx++ % colors.length];
|
||||||
|
}
|
||||||
|
|
||||||
|
var match = document.createElement(hiliteTag);
|
||||||
|
match.appendChild(document.createTextNode(regs[0]));
|
||||||
|
match.style.backgroundColor = wordColor[regs[0].toLowerCase()];
|
||||||
|
match.style.fontStyle = "inherit";
|
||||||
|
match.style.color = "#000";
|
||||||
|
|
||||||
|
var after = node.splitText(regs.index);
|
||||||
|
after.nodeValue = after.nodeValue.substring(regs[0].length);
|
||||||
|
node.parentNode.insertBefore(match, after);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// remove highlighting
|
||||||
|
this.remove = function()
|
||||||
|
{
|
||||||
|
var arr = document.getElementsByTagName(hiliteTag);
|
||||||
|
var el;
|
||||||
|
while(arr.length && (el = arr[0])) {
|
||||||
|
el.parentNode.replaceChild(el.firstChild, el);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// start highlighting at target node
|
||||||
|
this.apply = function(input)
|
||||||
|
{
|
||||||
|
if(input == undefined || !input) return;
|
||||||
|
this.remove();
|
||||||
|
this.setRegex(input);
|
||||||
|
this.hiliteWords(targetNode);
|
||||||
|
return matchingSlides;
|
||||||
|
};
|
||||||
|
|
||||||
if( !dom.wrapper.querySelector( '.searchbox' ) ) {
|
|
||||||
var searchElement = document.createElement( 'div' );
|
|
||||||
searchElement.id = "searchinputdiv";
|
|
||||||
searchElement.classList.add( 'searchdiv' );
|
|
||||||
searchElement.style.position = 'absolute';
|
|
||||||
searchElement.style.top = '10px';
|
|
||||||
searchElement.style.right = '10px';
|
|
||||||
searchElement.style.zIndex = 10;
|
|
||||||
//embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
|
|
||||||
searchElement.innerHTML = '<span><input type="search" id="searchinput" class="searchinput" style="vertical-align: top;"/><img src="data:image/png;base64,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" id="searchbutton" class="searchicon" style="vertical-align: top; margin-top: -1px;"/></span>';
|
|
||||||
dom.wrapper.appendChild( searchElement );
|
|
||||||
}
|
}
|
||||||
|
|
||||||
document.getElementById( 'searchbutton' ).addEventListener( 'click', function(event) {
|
|
||||||
doSearch();
|
|
||||||
}, false );
|
|
||||||
|
|
||||||
document.getElementById( 'searchinput' ).addEventListener( 'keyup', function( event ) {
|
|
||||||
switch (event.keyCode) {
|
|
||||||
case 13:
|
|
||||||
event.preventDefault();
|
|
||||||
doSearch();
|
|
||||||
searchboxDirty = false;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
searchboxDirty = true;
|
|
||||||
}
|
|
||||||
}, false );
|
|
||||||
|
|
||||||
document.addEventListener( 'keydown', function( event ) {
|
|
||||||
if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f
|
|
||||||
event.preventDefault();
|
|
||||||
toggleSearch();
|
|
||||||
}
|
|
||||||
}, false );
|
|
||||||
|
|
||||||
closeSearch();
|
|
||||||
|
|
||||||
return {
|
return {
|
||||||
|
|
||||||
id: 'search',
|
id: 'search',
|
||||||
|
|
||||||
init: reveal => {
|
init: reveal => {
|
||||||
|
|
||||||
reveal.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
|
deck = reveal;
|
||||||
|
deck.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
|
||||||
|
|
||||||
|
document.addEventListener( 'keydown', function( event ) {
|
||||||
|
if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f
|
||||||
|
event.preventDefault();
|
||||||
|
toggleSearch();
|
||||||
|
}
|
||||||
|
}, false );
|
||||||
|
|
||||||
},
|
},
|
||||||
|
|
||||||
open: openSearch
|
open: openSearch
|
||||||
|
|
||||||
}
|
}
|
||||||
})();
|
};
|
||||||
|
|
||||||
export default () => Plugin;
|
export default Plugin;
|
||||||
Loading…
Reference in New Issue