0
|
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>
|