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72 lines
2.2 KiB
72 lines
2.2 KiB
<!doctype html> |
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<title>CodeMirror: Lazy Mode Loading Demo</title> |
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<meta charset="utf-8"/> |
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<link rel=stylesheet href="../doc/docs.css"> |
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<link rel="stylesheet" href="../lib/codemirror.css"> |
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<script src="../lib/codemirror.js"></script> |
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<script src="../addon/mode/loadmode.js"></script> |
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<script src="../mode/meta.js"></script> |
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<style> |
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.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;} |
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</style> |
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<div id=nav> |
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<a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> |
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<ul> |
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<li><a href="../index.html">Home</a> |
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<li><a href="../doc/manual.html">Manual</a> |
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<li><a href="https://github.com/codemirror/codemirror">Code</a> |
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</ul> |
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<ul> |
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<li><a class=active href="#">Lazy Mode Loading</a> |
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</ul> |
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</div> |
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<article> |
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<h2>Lazy Mode Loading Demo</h2> |
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<p style="color: gray">Current mode: <span id="modeinfo">text/plain</span></p> |
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<form><textarea id="code" name="code">This is the editor. |
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// It starts out in plain text mode, |
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# use the control below to load and apply a mode |
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"you'll see the highlighting of" this text /*change*/. |
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</textarea></form> |
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<p>Filename, mime, or mode name: <input type=text value=foo.js id=mode> <button type=button onclick="change()">change mode</button></p> |
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<script> |
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CodeMirror.modeURL = "../mode/%N/%N.js"; |
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), { |
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lineNumbers: true |
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}); |
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var modeInput = document.getElementById("mode"); |
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CodeMirror.on(modeInput, "keypress", function(e) { |
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if (e.keyCode == 13) change(); |
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}); |
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function change() { |
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var val = modeInput.value, m, mode, spec; |
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if (m = /.+\.([^.]+)$/.exec(val)) { |
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var info = CodeMirror.findModeByExtension(m[1]); |
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if (info) { |
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mode = info.mode; |
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spec = info.mime; |
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} |
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} else if (/\//.test(val)) { |
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var info = CodeMirror.findModeByMIME(val); |
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if (info) { |
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mode = info.mode; |
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spec = val; |
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} |
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} else { |
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mode = spec = val; |
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} |
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if (mode) { |
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editor.setOption("mode", spec); |
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CodeMirror.autoLoadMode(editor, mode); |
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document.getElementById("modeinfo").textContent = spec; |
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} else { |
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alert("Could not find a mode corresponding to " + val); |
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} |
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} |
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</script> |
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</article>
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