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diff .cms/lib/codemirror/demo/changemode.html @ 0:78edf6b517a0 draft
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author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/demo/changemode.html Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,58 @@ +<!doctype html> + +<title>CodeMirror: Mode-Changing Demo</title> +<meta charset="utf-8"/> +<link rel=stylesheet href="../doc/docs.css"> + +<link rel="stylesheet" href="../lib/codemirror.css"> +<script src="../lib/codemirror.js"></script> +<script src="../mode/javascript/javascript.js"></script> +<script src="../mode/scheme/scheme.js"></script> +<style> + .CodeMirror {border: 1px solid black;} + </style> +<div id=nav> + <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> + + <ul> + <li><a href="../index.html">Home</a> + <li><a href="../doc/manual.html">Manual</a> + <li><a href="https://github.com/codemirror/codemirror5">Code</a> + </ul> + <ul> + <li><a class=active href="#">Mode-Changing</a> + </ul> +</div> + +<article> +<h2>Mode-Changing Demo</h2> +<form><textarea id="code" name="code"> +;; If there is Scheme code in here, the editor will be in Scheme mode. +;; If you put in JS instead, it'll switch to JS mode. + +(define (double x) + (* x x)) +</textarea></form> + +<p>On changes to the content of the above editor, a (crude) script +tries to auto-detect the language used, and switches the editor to +either JavaScript or Scheme mode based on that.</p> + +<script> + var editor = CodeMirror.fromTextArea(document.getElementById("code"), { + mode: "scheme", + lineNumbers: true + }); + var pending; + editor.on("change", function() { + clearTimeout(pending); + pending = setTimeout(update, 400); + }); + function looksLikeScheme(code) { + return !/^\s*\(\s*function\b/.test(code) && /^\s*[;\(]/.test(code); + } + function update() { + editor.setOption("mode", looksLikeScheme(editor.getValue()) ? "scheme" : "javascript"); + } +</script> + </article>