plugin.min.js

tinymce.PluginManager.add("mathjax",function(t,e){let n=t.getParam("mathjax"),a=n.className||"math-tex",l=a+"-original",i=n.symbols||{start:"\\(",end:"\\)"},o=n.lib||null,r=n.configUrl||e+"/config.js";n.className&&(r+="?class="+n.className);let s=[r];o&&s.push(o),t.on("init",function(){let e=t.getDoc().getElementsByTagName("script");for(let n=0;n<s.length;n++){let a=t.dom.uniqueId(),l=t.dom.create("script",{id:a,type:"text/javascript",src:s[n]}),i=!1;for(let t=0;t<e.length;t++)if(e[t].src==l.src||e[t].src==s[n]){i=!0;break}i||t.getDoc().getElementsByTagName("head")[0].appendChild(l)}}),t.on("GetContent",function(e){let n=t.dom.create("div");n.innerHTML=e.content;let l=n.querySelectorAll("."+a);for(let t=0;t<l.length;t++){let e=l[t].querySelectorAll("span");for(let t=0;t<e.length;t++)e[t].remove();let n=l[t].getAttribute("data-latex");l[t].removeAttribute("contenteditable"),l[t].removeAttribute("style"),l[t].removeAttribute("data-latex"),l[t].innerHTML=n}e.content=n.innerHTML});let c=function(e){if(2!=e.childNodes.length){e.setAttribute("contenteditable",!1),e.style.cursor="pointer";let n=e.getAttribute("data-latex")||e.innerHTML;e.setAttribute("data-latex",n),e.innerHTML="";let a=t.dom.create("span");a.innerHTML=n,a.classList.add(l),e.appendChild(a);let i=t.dom.create("span");i.classList.add("dummy"),i.innerHTML="dummy",i.setAttribute("hidden","hidden"),e.appendChild(i)}};t.on("BeforeSetContent",function(e){let n=t.dom.create("div");n.innerHTML=e.content;let l=n.querySelectorAll("."+a);for(let t=0;t<l.length;t++)c(l[t]);e.content=n.innerHTML}),t.on("SetContent",function(e){t.getDoc().defaultView.MathJax&&t.getDoc().defaultView.MathJax.typesetPromise()}),t.on("Change",function(e){if(elements=t.dom.getRoot().querySelectorAll("."+a),elements.length){for(let t=0;t<elements.length;t++)c(elements[t]);t.getDoc().defaultView.MathJax&&t.getDoc().defaultView.MathJax.typesetPromise()}}),t.ui.registry.addToggleButton("mathjax",{text:"Σ",tooltip:"Mathjax",onAction:function(){let e=t.selection.getNode(),n=void 0;e.classList.contains(a)&&(n=e),d(n)},onSetup:function(e){return t.selection.selectorChangedWithUnbind("."+a,e.setActive).unbind}}),t.on("click",function(t){let e=t.target.closest("."+a);e&&d(e)});let d=function(e){let n=t.id+"_"+t.dom.uniqueId(),o="";e&&(latex_attribute=e.getAttribute("data-latex"),latex_attribute.length>=(i.start+i.end).length&&(o=latex_attribute.substr(i.start.length,latex_attribute.length-(i.start+i.end).length))),t.windowManager.open({title:"Mathjax",width:600,height:300,body:{type:"panel",items:[{type:"textarea",name:"title",label:"LaTex"},{type:"htmlpanel",html:'<div style="text-align:right"><a href="https://wikibooks.org/wiki/LaTeX/Mathematics" target="_blank" style="font-size:small">LaTex</a></div>'},{type:"htmlpanel",html:'<iframe id="'+n+'" style="width: 100%; min-height: 50px;"></iframe>'}]},buttons:[{type:"submit",text:"OK"}],onSubmit:function(n){let l=n.getData().title.trim();if(e)e.innerHTML="",e.setAttribute("data-latex",h(l)),c(e);else{let e=t.getDoc().createElement("span");e.innerHTML=h(l),e.classList.add(a),c(e),t.insertContent(e.outerHTML)}t.getDoc().defaultView.MathJax.typesetPromise(),n.close()},onChange:function(t){var e=t.getData().title.trim();e!=o&&(p(e,document.getElementById(n)),o=e)},initialData:{title:o}});let r=document.getElementById(n),d=r.contentWindow||r.contentDocument.document||r.contentDocument,m=d.document,u=m.getElementsByTagName("head")[0],g=m.getElementsByTagName("body")[0],h=function(t,e){return e||(e=i),e.start+" "+t+" "+e.end},p=function(t){let e=d.MathJax,n=g.querySelector("div");n||(n=m.createElement("div"),n.classList.add(l),g.appendChild(n)),n.innerHTML=h(t,{start:"$$",end:"$$"}),e&&e.typesetPromise()};p(o);for(let t=0;t<s.length;t++){let e=d.document.createElement("script");e.src=s[t],e.type="text/javascript",e.async=!1,e.charset="utf-8",u.appendChild(e)}}});