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24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-1:000000000000 0:78edf6b517a0
1 <!doctype html>
2
3 <title>CodeMirror: Lazy Mode Loading Demo</title>
4 <meta charset="utf-8"/>
5 <link rel=stylesheet href="../doc/docs.css">
6
7 <link rel="stylesheet" href="../lib/codemirror.css">
8 <script src="../lib/codemirror.js"></script>
9 <script src="../addon/mode/loadmode.js"></script>
10 <script src="../mode/meta.js"></script>
11 <style>
12 .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
13 </style>
14 <div id=nav>
15 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
16
17 <ul>
18 <li><a href="../index.html">Home</a>
19 <li><a href="../doc/manual.html">Manual</a>
20 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
21 </ul>
22 <ul>
23 <li><a class=active href="#">Lazy Mode Loading</a>
24 </ul>
25 </div>
26
27 <article>
28 <h2>Lazy Mode Loading Demo</h2>
29 <p style="color: gray">Current mode: <span id="modeinfo">text/plain</span></p>
30 <form><textarea id="code" name="code">This is the editor.
31 // It starts out in plain text mode,
32 # use the control below to load and apply a mode
33 "you'll see the highlighting of" this text /*change*/.
34 </textarea></form>
35 <p>Filename, mime, or mode name: <input type=text value=foo.js id=mode> <button type=button onclick="change()">change mode</button></p>
36
37 <script>
38 CodeMirror.modeURL = "../mode/%N/%N.js";
39 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
40 lineNumbers: true
41 });
42 var modeInput = document.getElementById("mode");
43 CodeMirror.on(modeInput, "keypress", function(e) {
44 if (e.keyCode == 13) change();
45 });
46 function change() {
47 var val = modeInput.value, m, mode, spec;
48 if (m = /.+\.([^.]+)$/.exec(val)) {
49 var info = CodeMirror.findModeByExtension(m[1]);
50 if (info) {
51 mode = info.mode;
52 spec = info.mime;
53 }
54 } else if (/\//.test(val)) {
55 var info = CodeMirror.findModeByMIME(val);
56 if (info) {
57 mode = info.mode;
58 spec = val;
59 }
60 } else {
61 mode = spec = val;
62 }
63 if (mode) {
64 editor.setOption("mode", spec);
65 CodeMirror.autoLoadMode(editor, mode);
66 document.getElementById("modeinfo").textContent = spec;
67 } else {
68 alert("Could not find a mode corresponding to " + val);
69 }
70 }
71 </script>
72 </article>