mirror of
https://github.com/futurepress/epub.js.git
synced 2025-10-05 15:32:55 +02:00
Add mathml example
This commit is contained in:
Fred Chasen
parent
301ba04415
commit
5d3939efc3
2 changed files with 169 additions and 6 deletions
163
examples/mathml.html
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163
examples/mathml.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>EPUB.js Spreads Example</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.5/jszip.min.js"></script>
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<script src="../dist/epub.js"></script>
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<link rel="stylesheet" type="text/css" href="examples.css">
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</head>
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<body>
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<!-- <div id="title"></div> -->
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<select id="toc"></select>
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<div id="viewer" class="spreads"></div>
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<a id="prev" href="#prev" class="arrow">‹</a>
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<a id="next" href="#next" class="arrow">›</a>
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<script>
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var params = URLSearchParams && new URLSearchParams(document.location.search.substring(1));
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var url = params && params.get("url") && decodeURIComponent(params.get("url"));
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var currentSectionIndex = (params && params.get("loc")) ? params.get("loc") : undefined;
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// Load the opf
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var book = ePub(url || "http://epubjs.org/books/linear-algebra.epub");
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var rendition = book.renderTo("viewer", {
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width: "100%",
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height: 600,
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spread: "always"
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});
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rendition.display(currentSectionIndex);
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book.ready.then(() => {
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var next = document.getElementById("next");
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next.addEventListener("click", function(e){
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book.package.metadata.direction === "rtl" ? rendition.prev() : rendition.next();
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e.preventDefault();
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}, false);
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var prev = document.getElementById("prev");
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prev.addEventListener("click", function(e){
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book.package.metadata.direction === "rtl" ? rendition.next() : rendition.prev();
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e.preventDefault();
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}, false);
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var keyListener = function(e){
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// Left Key
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if ((e.keyCode || e.which) == 37) {
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book.package.metadata.direction === "rtl" ? rendition.next() : rendition.prev();
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}
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// Right Key
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if ((e.keyCode || e.which) == 39) {
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book.package.metadata.direction === "rtl" ? rendition.prev() : rendition.next();
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}
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};
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rendition.on("keyup", keyListener);
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document.addEventListener("keyup", keyListener, false);
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})
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var title = document.getElementById("title");
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rendition.on("rendered", function(section){
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var current = book.navigation && book.navigation.get(section.href);
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if (current) {
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var $select = document.getElementById("toc");
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var $selected = $select.querySelector("option[selected]");
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if ($selected) {
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$selected.removeAttribute("selected");
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}
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var $options = $select.querySelectorAll("option");
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for (var i = 0; i < $options.length; ++i) {
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let selected = $options[i].getAttribute("ref") === current.href;
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if (selected) {
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$options[i].setAttribute("selected", "");
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}
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}
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}
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});
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rendition.on("relocated", function(location){
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console.log(location);
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var next = book.package.metadata.direction === "rtl" ? document.getElementById("prev") : document.getElementById("next");
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var prev = book.package.metadata.direction === "rtl" ? document.getElementById("next") : document.getElementById("prev");
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if (location.atEnd) {
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next.style.visibility = "hidden";
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} else {
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next.style.visibility = "visible";
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}
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if (location.atStart) {
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prev.style.visibility = "hidden";
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} else {
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prev.style.visibility = "visible";
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}
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});
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rendition.on("layout", function(layout) {
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let viewer = document.getElementById("viewer");
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if (layout.spread) {
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viewer.classList.remove('single');
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} else {
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viewer.classList.add('single');
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}
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});
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window.addEventListener("unload", function () {
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console.log("unloading");
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this.book.destroy();
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});
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book.loaded.navigation.then(function(toc){
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var $select = document.getElementById("toc"),
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docfrag = document.createDocumentFragment();
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toc.forEach(function(chapter) {
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var option = document.createElement("option");
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option.textContent = chapter.label;
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option.setAttribute("ref", chapter.href);
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docfrag.appendChild(option);
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});
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$select.appendChild(docfrag);
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$select.onchange = function(){
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var index = $select.selectedIndex,
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url = $select.options[index].getAttribute("ref");
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rendition.display(url);
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return false;
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};
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});
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rendition.hooks.content.register(function (content) {
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let section = book.section(content.sectionIndex);
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let mathml = section.properties.includes("mathml");
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if (mathml) {
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return content.addScript('https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_CHTML');
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}
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});
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</script>
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</body>
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</html>
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12
package-lock.json
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12
package-lock.json
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@ -1,6 +1,6 @@
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{
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{
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"name": "epubjs",
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"name": "epubjs",
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"version": "0.3.60",
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"version": "0.3.61",
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"lockfileVersion": 1,
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"lockfileVersion": 1,
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"requires": true,
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"requires": true,
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"dependencies": {
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"dependencies": {
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@ -4741,7 +4741,7 @@
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"esprima": {
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"esprima": {
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"version": "4.0.0",
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.0.tgz",
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"resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.0.tgz",
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"integrity": "sha512-oftTcaMu/EGrEIu904mWteKIv8vMuOgGYo7EhVJJN00R/EED9DCua/xxHRdYnKtcECzVg7xOWhflvJMnqcFZjw==",
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"integrity": "sha1-RJnt3NERDgshi6zy+n9/WfVcqAQ=",
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"dev": true
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"dev": true
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},
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},
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"esquery": {
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"esquery": {
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@ -4830,7 +4830,7 @@
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},
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},
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"event-stream": {
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"event-stream": {
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"version": "3.3.4",
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"version": "3.3.4",
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"resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
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"resolved": "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
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"integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
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"integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
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"dev": true,
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"dev": true,
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"requires": {
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"requires": {
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@ -8641,7 +8641,7 @@
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"is-plain-object": {
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"is-plain-object": {
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"version": "2.0.4",
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"version": "2.0.4",
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"resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
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"resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
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"integrity": "sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==",
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"integrity": "sha1-LBY7P6+xtgbZ0Xko8FwqHDjgdnc=",
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"dev": true,
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"dev": true,
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"requires": {
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"requires": {
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"isobject": "3.0.1"
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"isobject": "3.0.1"
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@ -8836,7 +8836,7 @@
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"jschardet": {
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"jschardet": {
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"version": "1.5.1",
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"version": "1.5.1",
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"resolved": "https://registry.npmjs.org/jschardet/-/jschardet-1.5.1.tgz",
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"resolved": "https://registry.npmjs.org/jschardet/-/jschardet-1.5.1.tgz",
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"integrity": "sha512-vE2hT1D0HLZCLLclfBSfkfTTedhVj0fubHpJBHKwwUWX0nSbhPAfk+SG9rTX95BYNmau8rGFfCeaT6T5OW1C2A==",
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"integrity": "sha1-xRn2KfhrOlvtuliojTETCe7Al/k=",
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"dev": true
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"dev": true
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},
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},
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"jsesc": {
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"jsesc": {
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@ -9116,7 +9116,7 @@
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"karma-chrome-launcher": {
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"karma-chrome-launcher": {
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"version": "2.2.0",
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"version": "2.2.0",
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"resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-2.2.0.tgz",
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"resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-2.2.0.tgz",
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"integrity": "sha512-uf/ZVpAabDBPvdPdveyk1EPgbnloPvFFGgmRhYLTDH7gEB4nZdSBk8yTU47w1g/drLSx5uMOkjKk7IWKfWg/+w==",
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"integrity": "sha1-zxudBxNswY/iOTJ9JGVMPbw2is8=",
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"dev": true,
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"dev": true,
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"requires": {
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"requires": {
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"fs-access": "1.0.1",
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"fs-access": "1.0.1",
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