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TeaMeoow.html
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<!DOCTYPE HTML>
<html lang="zh-CN" dir="ltr">
<head>
<meta charset="utf-8" />
<title>TeaMeoow （迫真）复刻版本</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta name="viewport" content="width=device-width, maximum-scale=1.0" />
<meta name="theme-color" content="#009688" />
<meta name="description" content="TeaMeow 编辑框复制版本" />
<meta name="favicon" content="https://www.mdui.org/static/home/default/static/index/img/case6.png" />
<meta name="og:site_name" content="TeaMeow" />
<link rel="fluid-icon" href="https://github.com/fluidicon.png" />
<style>
.teameow-ta { font-family: monospace; font-size: 11px; height: 542px; width: 383px; }
.teameow-btnbar button { margin: 0.25em; padding: 0.4rem; }
.teameow-ed { margin: 0 auto; }
.sym { color: red; }
</style>
</head>
<body>
<h1><a style="color: teal">Tea</a> MEOOW! 🍵🐱</h1>
<table>
<tr>
<td><sup><div class="teameow-ed" id="simple"></sup>
<td><a>(divider)</a>
<td><sub><div id="buggy"></sub>
</tr>
<tr>
<td>
<div class="teameow-ed" id="simple">
<textarea class="teameow-ta" onkeyup></textarea><p>
<p style="margin-left: 10%">字数：<a class="teameow-count"><sub>Init~</sub></a> <button s="clr">清空</button></p>
<table class="teameow-btnbar">
<tr>
<td><button o="****" alt="C b">Bold ✒️</button></td>
<td><button o="__" alt="C i">Italic 🖋</button></td>
<td><button o="``" alt="CS q">Quote 💻</button></td>
<td><button o="``` ```" alt="C c">Code 💻</button></td>
<td><button o="~~~~" alt="CS u">Strikeout 🖌</button></td>
<td><button o="[]" alt="CA s">Sqbracket <a class="sym">[</a></button></td>
<td><button o="()" alt="CA p">Paren <a class="sym">(</a></button></td>
<td><button o="{}" alt="CS b">Brace <a class="sym">{</a></button></td>
</tr>
<tr>
<td><button s="[]" alt="C k">URL 🔗</button></td>
<td><button s="![]" alt="C j">Image 🖼</button></td>
<td><button o=" " alt="Enter">New MDLine</button></td>
<td><button s="render" alt="C Enter">Render 👓</button></td>
</tr>
</table>
<script>
function bound(e, nm) { return e[nm].bind(e); }
window.bindMap = { DEBUG: true, OVERRIDE: true };
function bindKey(kexpr, listen) {
// ctrl0 = Alt(A)/Shift(S)/Ctrl(C)
// Enter = enter
if (!kexpr || !kexpr.match) return;
var ctrls = kexpr.split(' ');
var ctrl0 = (ctrls.length>=2)? ctrls[0] : '-', ctrlis = ctrls.filter(function(c){ return c.match(/^[a-z]|Enter|Space|Arrow(Up|Down|Left|Right)|Escape|\*\w+$/) !==null; });
if (ctrl0.match(/^[A-Z]{1,2}$|\-/) === null) throw Error("Bad bindkey expr control0 " + ctrls.join('+'));
if (!(ctrl0 in window.bindMap)) window.bindMap[ctrl0] = {};
if(ctrlis.length < 1) throw new Error('Bad control1 ' + ctrls); var ctrli0 = ctrlis[0];
var kid = ctrli0.length===1? 'Key'+ctrli0.toUpperCase() : ctrli0.replace(/\W/, '');
window.bindMap[ctrl0][kid] = listen;
if ('DEBUG' in window.bindMap) console.log(ctrl0 + "+" + ctrlis.join('+') + " = " + listen);
}
function registerBindkeyService(doc) {
document.onkeydown = function callBoundKey(ev) {
var ctr = ev.ctrlKey, alt = ev.altKey, sft = ev.shiftKey, k = ev.code;
var ctrlkls = (ctr?'C':'') + (sft?'S':'') + (alt?'A':'');
ctrlkls = (ctrlkls.length !==0)? ctrlkls : '-';
if ('DEBUG' in window.bindMap) console.log(ctrlkls+'/'+k+'::'+ev.code);
if (ctrlkls in window.bindMap) if (k in window.bindMap[ctrlkls]) {
if ('OVERRIDE' in window.bindMap) { ev.stopPropagation(); ev.preventDefault(); }
window.bindMap[ctrlkls][k](ev); }
};
}
function TeaEdit(textarea) {
this.ta = textarea;
this.lines = 1, this.line_starts = [];
var self = this;
this.ta.onpaste = function (ev) { self.lines = ev.clipboardData.getData('text/plain').search("\n"); };
this.ta.onkeydown = function (ev) {
if (ev.code === 'Enter') { self.lines += 1; self.line_starts.push(self.ta.textLength); }
else { if (self.ta.textLength <= Math.max(1, self.line_starts[self.line_starts.length-1]))
{ self.lines -= 1; self.line_starts.pop(); } } };
Object.defineProperty(this, 'value', // See also: Mixins
{get: function(){ return this.ta.value; }, set: function(nv){ this.ta.value = nv; }}); }
TeaEdit.prototype.select = function createSelection(beg, end) { // See also: porting
if (end === undefined) end = beg; // (, ]
var ta=this.ta; if(ta.selectionStart) { ta.selectionStart = beg, ta.selectionEnd = end; }
else if (ta.setSelectionRange) { ta.setSelectionRange(beg, end); }
else if (ta.createTextRange) { var tr = ta.createTextRange(); tr.collapse(true);
tr.moveStart('character', beg); tr.moveEnd('character', end); tr.select(); }
};
function TeaMeow(div) {
if (!div.classList.contains('teameow-ed')) throw Error("Bad TeaMeow Editor element " + div);
var qs = bound(div,'querySelector');
this.container = div, this.ta = new TeaEdit(qs('.teameow-ta'));
this.cnt = qs('.teameow-count'), this.clr = qs('p button');
this.btns = div.querySelectorAll('button');
}
TeaMeow.prototype.updateTextCount = function() {
var arab2chn = "零一二三四五六七八九".split('')
function tf(wsz) {
var units = "十 百 千 万 十万 百万 千万".split(' ');
var sizes = [10, 100, 1000, 10000, 10*10000, 100*10000, 1000*10000];
var fmts = [];
for (var n = wsz, u = sizes.length-1; 0<=u && 10 <= n; u--) {
if (sizes[u] > n) continue;
fmts.push(arab2chn[Math.floor(n / sizes[u])]);
fmts.push(' '+units[u]+'，');
n = n % sizes[u];
}
fmts.push(' 零 ' + n);
return fmts.join('');
}
this.cnt.innerText = tf(this.ta.ta.textLength)+" 字、"+" "+this.ta.lines+" 行";
this.ta.ta.focus();
};
TeaMeow.prototype.init = function() {
function asks(t) { var got=window.prompt(t); if(got===null) throw null; return got; }
var ta = this.ta, self = this;
function write2Ta(s) { ta.value += s; self.updateTextCount(); }
function fixedLogic(flid) { switch (flid) {
case 'clr': return function() { ta.value = '', ta.lines = 1; self.updateTextCount(); }
case '[]': return function() { write2Ta('['+asks("输入标签")+']'+'('+asks("输入链接")+')'); }
case '![]': return function() { write2Ta('!['+asks("输入图片标签")+']'+'('+asks("输入图片链接")+')'); }
case 'render': return function() { updateMdit(); }
} }
this.btns.forEach(function(b) { var arg0, op;
if ((arg0= b.getAttribute('o'))) {
op = b.onclick = function() { write2Ta(arg0); self.ta.select(self.ta.ta.textLength-(arg0.length/2)); }; }
else if ((arg0= b.getAttribute('s'))) { op = b.onclick = fixedLogic(arg0); }
bindKey(b.getAttribute('alt'), op);
});
ta.ta.onkeyup = bound(this,'updateTextCount');
this.updateTextCount();
registerBindkeyService(document.body);
};
</script>
<script>var tm = new TeaMeow(document.getElementById('simple')); tm.init();</script>
</div>
</td><td colspan="4" style="width: 50%"><td>
<div rowspan="100" id="buggy" style="padding-left: 20px"></div>
</td></tr>
</table>
<script src="https://cdnjs.cloudflare.com/ajax/libs/markdown-it/10.0.0/markdown-it.js" integrity="sha256-uhsZv/1rhiqa0K9vDMZzGa5ZEFVECUsJ1yQ7qtShRlc=" crossorigin="anonymous"></script>
<script>
var preview = document.getElementById('buggy'), mdit = markdownit();
function updateMdit() { preview.innerHTML = mdit.render(tm.ta.value); };
</script>
</body>
</html>