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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Markdown Editor</title>
<script src="node_modules/marked/marked.min.js"></script>
<script src="node_modules/vivliostyle/lib/vivliostyle.min.js"></script>
<script src="node_modules/prismjs/prism.js"></script>
<script src="emojify.js"></script>
<script src="codemirror/lib/codemirror.js"></script>
<script src="codemirror/overlay.js"></script>
<script src="codemirror/xml/xml.js"></script>
<script src="codemirror/markdown/markdown.js"></script>
<script src="codemirror/gfm/gfm.js"></script>
<script src="codemirror/javascript/javascript.js"></script>
<script src="codemirror/css/css.js"></script>
<script src="codemirror/htmlmixed/htmlmixed.js"></script>
<script src="codemirror/lib/util/continuelist.js"></script>
<script src="rawinflate.js"></script>
<script src="rawdeflate.js"></script>
<link rel="stylesheet" href="node_modules/prismjs/themes/prism.css">
<link rel="stylesheet" href="node_modules/vivliostyle/resources/vivliostyle-viewport.css">
<link rel="stylesheet" href="node_modules/vivliostyle/resources/vivliostyle-viewport-screen.css" media="screen">
<link rel="stylesheet" href="base16-light.css">
<link rel="stylesheet" href="codemirror/lib/codemirror.css">
<style>
body {margin: 0;}
.CodeMirror pre{
line-height: 16px;
}
#in{
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: 50%;
height: auto;
overflow: auto;
font-size: 12px;
box-shadow: -10px 2px 6px 10px rgba(0,0,0,0.4);
}
.CodeMirror {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: auto;
height: auto;
}
.CodeMirror-scroll {
padding: 30px;
box-sizing: border-box;
}
.out-wrapper {
position: fixed;
top: 0;
right: 0;
left: 50%;
bottom: 0;
}
#out{
position: absolute;
top: 0;
right: 0;
left: 0;
bottom: 0;
overflow: auto;
padding: 10px;
color: #444;
font-family:Georgia, Palatino, 'Palatino Linotype', Times, 'Times New Roman', serif;
font-size: 16px;
line-height: 1.5em
}
#page-navigation-left,
#page-navigation-right {
position: absolute;
top: 0;
width: 40px;
height: 100%;
background-color: rgba(0, 0, 0, 0.4);
color: #fff;
line-height: 100vh;
text-align: center;
vertical-align: middle;
cursor: pointer;
opacity: 0;
}
#page-navigation-left {
left: 0;
}
#page-navigation-right {
right: 0;
}
.out-wrapper:hover #page-navigation-left,
.out-wrapper:hover #page-navigation-right {
opacity: 1;
}
#menu {
display: none;
position: fixed;
background-color: #111;
border-radius: 5px;
top: 50%;
left: 50%;
width: 250px;
height: 150px;
margin-top: -75px;
margin-left: -125px;
z-index: 99;
text-align: center;
color: white;
}
#menu > span {
display: block;
font-size: 1.5em;
line-height: 1.3;
margin-top: 0.25em;
}
#menu > div {
display: inline-block;
width: 100px;
text-align: center;
vertical-align: top;
cursor: pointer;
opacity: 0.7;
}
#menu > div:hover {
opacity: 1;
}
#menu svg {
width: 64px;
height: 64px;
margin: 0 auto;
display: block;
}
#menu path {
fill: #fff;
}
#close-menu {
position: absolute;
top: 5px;
right: 9px;
color: white;
cursor: pointer;
}
.emoji {
width: 1em;
height: 1em;
vertical-align: baseline;
}
.cm-header-1 { font-size: 2em; }
.cm-header-2 { font-size: 1.75em; }
.cm-header-3 { font-size: 1.5em; }
.cm-header-4 { font-size: 1.3em; }
.cm-header-5 { font-size: 1.2em; }
.cm-header-6 { font-size: 1.15em; }
.cm-quote { color: #90a959; font-style: italic; }
.view #in {
display: none;
}
.view #out {
left: 0;
padding-left: 10px;
}
a{ color: #0645ad; text-decoration:none;}
a:visited{ color: #0b0080; }
a:hover{ color: #06e; }
a:active{ color:#faa700; }
a:focus{ outline: thin dotted; }
a:hover, a:active{ outline: 0; }
p{margin:1em 0;}
img{max-width:100%;}
h1,h2,h3,h4,h5,h6{font-weight:normal;color:#111;line-height:1em;}
h4,h5,h6{ font-weight: bold; }
h1{ font-size:2.5em; }
h2{ font-size:2em; border-bottom:1px solid silver; padding-bottom: 5px; }
h3{ font-size:1.5em; }
h4{ font-size:1.2em; }
h5{ font-size:1em; }
h6{ font-size:0.9em; }
blockquote{color:#666666;margin:0;padding-left: 3em;border-left: 0.5em #EEE solid;}
hr { display: block; height: 2px; border: 0; border-top: 1px solid #aaa;border-bottom: 1px solid #eee; margin: 1em 0; padding: 0; }
pre, code{
color: #000;
font-family:Consolas, "Liberation Mono", Menlo, Courier, monospace;
font-size: 0.94em; /* 0.94 = 0.88 + (1.00 - 0.88) / 2 */
border-radius:3px;
background-color: #F8F8F8;
border: 1px solid #CCC;
}
pre { white-space: pre; white-space: pre-wrap; word-wrap: break-word; padding: 5px;}
pre code { border: 0px !important; background: transparent !important; line-height: 1.3em; }
code { padding: 0 3px 0 3px; }
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
ul, ol { margin: 1em 0; padding: 0 0 0 2em; }
li p:last-child { margin:0 }
dd { margin: 0 0 0 2em; }
img { border: 0; -ms-interpolation-mode: bicubic; vertical-align: middle; }
table { border-collapse: collapse; border-spacing: 0; }
td, th { vertical-align: top; padding: 4px 10px; border: 1px solid #bbb; }
tr:nth-child(even) td, tr:nth-child(even) th { background: #eee; }
</style>
</head>
<body>
<div id="in"><form><textarea id="code">
# pentapod 技術書典3 原稿プレビューワ
## これはなに
技術書典3にてpentapodが発刊する，技術誌のレイアウトやページ数を確認するための
簡易プレビューワ&エディタです．
左ペインにMarkdownで原稿を書くと右ペインに原稿のプレビューが現れます．
* Ctrl+S / Cmd+S でMarkdownファイルをダウンロードします
* Ctrl+Shift+S / Cmd+Shift+S でMarkdownかHTMLを選んでダウンロードします
* ドラッグ&ドロップでファイルを読み込みます
* ファイル内容はハッシュとしてURLに保存されます
## レイアウトサンプル
レイアウトは編集中のため突如大胆に変わる可能性があります．
### 箇条書き
* サーバル
* かばん
* ハシビロコウ
- 絵文字が使えます:angel:
### スニペット
```javascript
$(function(){
$('div').html('I am a div.');
});
```
シンタックスハイライトに対応する言語は → http://prismjs.com/#languages-list
### 表
| 中央揃え | 左揃え |
|:----------:|:---------|
| うぇるかむ | とぅ |
| ざ | じゃぱりぱー |
### 図
## リポジトリ
https://github.com/pentapod/tbf03-previewer
</textarea></form></div>
<div class="out-wrapper">
<div id="out"></div>
<div id="page-navigation-left">←</div>
<div id="page-navigation-right">→</div>
</div>
<div id="menu">
<span>Save As</span>
<div id="saveas-markdown">
<svg height="64" width="64" xmlns="http://www.w3.org/2000/svg">
<g transform="scale(0.0625)">
<path d="M950.154 192H73.846C33.127 192 0 225.12699999999995 0 265.846v492.308C0 798.875 33.127 832 73.846 832h876.308c40.721 0 73.846-33.125 73.846-73.846V265.846C1024 225.12699999999995 990.875 192 950.154 192zM576 703.875L448 704V512l-96 123.077L256 512v192H128V320h128l96 128 96-128 128-0.125V703.875zM767.091 735.875L608 512h96V320h128v192h96L767.091 735.875z" />
</g>
</svg>
<span>Markdown</span>
</div>
<div id="saveas-html">
<svg height="64" width="64" xmlns="http://www.w3.org/2000/svg">
<g transform="scale(0.0625) translate(64,0)">
<path d="M608 192l-96 96 224 224L512 736l96 96 288-320L608 192zM288 192L0 512l288 320 96-96L160 512l224-224L288 192z" />
</g>
</svg>
<span>HTML</span>
</div>
<a id="close-menu">×</a>
</div>
<script type="text/javascript">
var URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
navigator.saveBlob = navigator.saveBlob || navigator.msSaveBlob || navigator.mozSaveBlob || navigator.webkitSaveBlob;
window.saveAs = window.saveAs || window.webkitSaveAs || window.mozSaveAs || window.msSaveAs;
// Because highlight.js is a bit awkward at times
var languageOverrides = {
js: 'javascript',
html: 'xml'
};
emojify.setConfig({
img_dir: window.location.origin + window.location.pathname + 'emoji'
});
var exLang = ["abap","actionscript","ada","apacheconf","apl","applescript","asciidoc","aspnet","autohotkey","autoit","bash","basic","batch","bison","brainfuck","bro","c","clike","coffeescript","core","cpp","crystal","csharp","css-extras","css","d","dart","diff","docker","eiffel","elixir","erlang","fortran","fsharp","gherkin","git","glsl","go","graphql","groovy","haml","handlebars","haskell","haxe","http","icon","inform7","ini","j","jade","java","javascript","jolie","json","jsx","julia","keyman","kotlin","latex","less","livescript","lolcode","lua","makefile","markdown","markup","matlab","mel","mizar","monkey","nasm","nginx","nim","nix","nsis","objectivec","ocaml","oz","parigp","parser","pascal","perl","php-extras","php","powershell","processing","prolog","properties","protobuf","puppet","pure","python","q","qore","r","reason","rest","rip","roboconf","ruby","rust","sas","sass","scala","scheme","scss","smalltalk","smarty","sql","stylus","swift","tcl","textile","twig","typescript","verilog","vhdl","vim","wiki","xojo","yaml",];
marked.setOptions({
highlight: function(code, lang, cb) {
if (!Prism.languages[lang] && exLang.indexOf(lang) >= 0) {
var script = document.createElement('script');
script.src = 'node_modules/prismjs/components/prism-' + lang + '.min.js';
script.onload = function() {
var highlighted = Prism.highlight(code, Prism.languages[lang]);
cb(null, highlighted);
};
document.getElementsByTagName('head')[0].appendChild(script);
} else {
var highlighted = (Prism.languages[lang])
? Prism.highlight(code, Prism.languages[lang])
: code;
cb(null, highlighted);
}
}
});
/* ====== Vivliostyle ====== */
function Viewer() {
this.viewer = new vivliostyle.viewer.Viewer({
userAgentRootURL: 'node_modules/vivliostyle/resources/',
viewportElement: document.getElementById('out'),
debug: false
});
}
Viewer.prototype.render = function(body) {
const url = window.URL.createObjectURL(new Blob(
[`<html>
<head>
<link rel="stylesheet" href="${window.location.origin}${window.location.pathname}source/dest/main.css">
</head>
<body>${body}</body>
</html>`],
{type: 'text/html'}
));
console.log(url);
this.viewer.loadDocument({
url: url,
startPage: undefined,
skipPagesBefore: undefined,
}, {
userStyleSheet: [{
text: '@page {size: ' + 'B5' + '}'
}]
}, {
fitToScreen: true
});
}
Viewer.prototype.navigateToLeft = function() {
this.viewer.navigateToPage('left');
}
Viewer.prototype.navigateToRight = function() {
this.viewer.navigateToPage('right');
}
/* ========================= */
var vv = new Viewer();
var timer;
var prevVal = null;
function update(e, duration){
duration = duration || 1;
clearTimeout(timer);
timer = setTimeout(function() {
var val = e.getValue();
if (prevVal !== val) {
prevVal = val;
setOutput(val);
updateHash();
}
}, duration);
}
function setOutput(val){
val = val.replace(/<equation>((.*?\n)*?.*?)<\/equation>/ig, function(a, b){
return '<img src="http://latex.codecogs.com/png.latex?' + encodeURIComponent(b) + '" />';
});
marked(val, function(err, body) {
if (err) throw err;
else {
body = emojify.replace(body);
vv.render(body);
}
});
}
var editor = CodeMirror.fromTextArea(document.getElementById('code'), {
mode: 'gfm',
lineNumbers: false,
matchBrackets: true,
lineWrapping: true,
theme: 'base16-light',
extraKeys: {"Enter": "newlineAndIndentContinueMarkdownList"}
});
editor.on('change', function(e) {
update(e, 1000);
});
document.getElementById('page-navigation-left').addEventListener('click', function() {
vv.navigateToLeft();
});
document.getElementById('page-navigation-right').addEventListener('click', function() {
vv.navigateToRight();
});
document.addEventListener('drop', function(e){
e.preventDefault();
e.stopPropagation();
var reader = new FileReader();
reader.onload = function(e){
editor.setValue(e.target.result);
};
reader.readAsText(e.dataTransfer.files[0]);
}, false);
function saveAsMarkdown(){
save(editor.getValue(), "untitled.md");
}
function saveAsHtml() {
save(document.getElementById('out').innerHTML, "untitled.html");
}
document.getElementById('saveas-markdown').addEventListener('click', function() {
saveAsMarkdown();
hideMenu();
});
document.getElementById('saveas-html').addEventListener('click', function() {
saveAsHtml();
hideMenu();
});
function save(code, name){
var blob = new Blob([code], { type: 'text/plain' });
if(window.saveAs){
window.saveAs(blob, name);
}else if(navigator.saveBlob){
navigator.saveBlob(blob, name);
}else{
url = URL.createObjectURL(blob);
var link = document.createElement("a");
link.setAttribute("href",url);
link.setAttribute("download",name);
var event = document.createEvent('MouseEvents');
event.initMouseEvent('click', true, true, window, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
link.dispatchEvent(event);
}
}
var menuVisible = false;
var menu = document.getElementById('menu');
function showMenu() {
menuVisible = true;
menu.style.display = 'block';
}
function hideMenu() {
menuVisible = false;
menu.style.display = 'none';
}
document.getElementById('close-menu').addEventListener('click', function(){
hideMenu();
});
document.addEventListener('keydown', function(e){
if(e.keyCode == 83 && (e.ctrlKey || e.metaKey)){
e.shiftKey ? showMenu() : saveAsMarkdown();
e.preventDefault();
return false;
}
if(e.keyCode === 27 && menuVisible){
hideMenu();
e.preventDefault();
return false;
}
// navigate page
if (e.keyCode === 37 && !editor.state.focused) {
vv.navigateToLeft();
}
if (e.keyCode === 39 && !editor.state.focused) {
vv.navigateToRight();
}
});
function updateHash(){
window.location.hash = btoa( // base64 so url-safe
RawDeflate.deflate( // gzip
unescape(encodeURIComponent( // convert to utf8
editor.getValue()
))
)
);
}
if(window.location.hash){
var h = window.location.hash.replace(/^#/, '');
if(h.slice(0,5) == 'view:'){
setOutput(decodeURIComponent(escape(RawDeflate.inflate(atob(h.slice(5))))));
document.body.className = 'view';
}else{
editor.setValue(
decodeURIComponent(escape(
RawDeflate.inflate(
atob(
h
)
)
))
);
update(editor);
editor.focus();
}
}else{
update(editor);
editor.focus();
}
</script>
</body>
</html>