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activeline.html	3.26 KB	-rw-r--r--	2022-01-28 11:40
anywordhint.html	2.87 KB	-rw-r--r--	2022-01-28 11:40
bidi.html	4.88 KB	-rw-r--r--	2022-01-28 11:40
btree.html	2.94 KB	-rw-r--r--	2022-01-28 11:40
buffers.html	3.59 KB	-rw-r--r--	2022-01-28 11:40
changemode.html	1.78 KB	-rw-r--r--	2022-01-28 11:40
closebrackets.html	1.72 KB	-rw-r--r--	2022-01-28 11:40
closetag.html	1.58 KB	-rw-r--r--	2022-01-28 11:40
complete.html	4.4 KB	-rw-r--r--	2022-01-28 11:40
emacs.html	2.76 KB	-rw-r--r--	2022-01-28 11:40
folding.html	6.12 KB	-rw-r--r--	2022-01-28 11:40
fullscreen.html	3.53 KB	-rw-r--r--	2022-01-28 11:40
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html5complete.html	1.99 KB	-rw-r--r--	2022-01-28 11:40
indentwrap.html	2.62 KB	-rw-r--r--	2022-01-28 11:40
loadmode.html	2.31 KB	-rw-r--r--	2022-01-28 11:40
marker.html	1.53 KB	-rw-r--r--	2022-01-28 11:40
markselection.html	1.94 KB	-rw-r--r--	2022-01-28 11:40
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panel.html	3.57 KB	-rw-r--r--	2022-01-28 11:40
placeholder.html	1.55 KB	-rw-r--r--	2022-01-28 11:40
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requirejs.html	2.27 KB	-rw-r--r--	2022-01-28 11:40
resize.html	1.4 KB	-rw-r--r--	2022-01-28 11:40
rulers.html	1.45 KB	-rw-r--r--	2022-01-28 11:40
runmode-standalone.html	2.3 KB	-rw-r--r--	2022-01-28 11:40
runmode.html	2.36 KB	-rw-r--r--	2022-01-28 11:40
search.html	4.89 KB	-rw-r--r--	2022-01-28 11:40
simplemode.html	8.14 KB	-rw-r--r--	2022-01-28 11:40
simplescrollbars.html	5.1 KB	-rw-r--r--	2022-01-28 11:40
spanaffectswrapping_shim.html	3 KB	-rw-r--r--	2022-01-28 11:40
sublime.html	3.23 KB	-rw-r--r--	2022-01-28 11:40
theme.html	7.5 KB	-rw-r--r--	2022-01-28 11:40
trailingspace.html	1.61 KB	-rw-r--r--	2022-01-28 11:40
variableheight.html	2.12 KB	-rw-r--r--	2022-01-28 11:40
vim.html	4.32 KB	-rw-r--r--	2022-01-28 11:40
visibletabs.html	1.89 KB	-rw-r--r--	2022-01-28 11:40
xmlcomplete.html	3.78 KB	-rw-r--r--	2022-01-28 11:40

Rename

<!doctype html>

<head>
  <title>CodeMirror: Code Folding Demo</title>
  <meta charset="utf-8"/>
  <link rel=stylesheet href="../html/docs.css">

<body>
<div id=nav>
  <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../html/logo.png"></a>

<ul>
    <li><a href="../index.html">Home</a>
    <li><a href="../html/manual.html">Manual</a>
    <li><a href="https://github.com/codemirror/codemirror">Code</a>
  </ul>
  <ul>
    <li><a class=active href="#">Code Folding</a>
  </ul>
</div>

<article>
  <h2>Code Folding Demo</h2>
  <form>
    <div style="max-width: 50em; margin-bottom: 1em">JavaScript:<br>
    <textarea id="code" name="code"></textarea></div>
    <div style="max-width: 50em; margin-bottom: 1em">HTML:<br>
    <textarea id="code-html" name="code-html"></textarea></div>    
    <div style="max-width: 50em; margin-bottom: 1em">JSON with custom widget:<br>
    <textarea id="code-json" name="code-json">
{
  "menu": {
    "id": "file",
    "value": "File",
    "popup": {
      "menuitem": [
        {"value": "New", "onclick": "CreateNewDoc()"},
        {"value": "Open", "onclick": "OpenDoc()"},
        {"value": "Close", "onclick": "CloseDoc()"}
      ]
    }
  }
}
    </textarea></div>
    <div style="max-width: 50em">Python:<br>
    <textarea id="code-python" name="code">
def foo():
  do_some_stuff()
  here
  return None

class Bar:
  __init__(self):
    if True:
      print("True")
    else:
      print("False")

this_code_makes_no_sense():
    pass

# A comment</textarea></div>
    <div style="max-width: 50em">Markdown:<br>
    <textarea id="code-markdown" name="code"></textarea></div>
  </form>
  <script id="script">
/*
 * Demonstration of code folding
 */
window.onload = function() {
  var te = document.getElementById("code");
  var sc = document.getElementById("script");
  te.value = (sc.textContent || sc.innerText || sc.innerHTML).replace(/^\s*/, "");
  sc.innerHTML = "";
  var te_html = document.getElementById("code-html");
  te_html.value = document.documentElement.innerHTML;
  var te_python = document.getElementById("code-python");
  var te_markdown = document.getElementById("code-markdown");
  te_markdown.value = "# Foo\n## Bar\n\nblah blah\n\n## Baz\n\nblah blah\n\n# Quux\n\nblah blah\n"
  var te_json = document.getElementById("code-json");

window.editor_json = CodeMirror.fromTextArea(te_json, {
    mode: {name: "javascript", json: true},
    lineNumbers: true,
    lineWrapping: true,
    extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }},
    foldGutter: true,
    gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
    foldOptions: {
      widget: (from, to) => {
        var count = undefined;

// Get open / close token
        var startToken = '{', endToken = '}';        
        var prevLine = window.editor_json.getLine(from.line);
        if (prevLine.lastIndexOf('[') > prevLine.lastIndexOf('{')) {
          startToken = '[', endToken = ']';
        }

// Get json content
        var internal = window.editor_json.getRange(from, to);
        var toParse = startToken + internal + endToken;

// Get key count
        try {
          var parsed = JSON.parse(toParse);
          count = Object.keys(parsed).length;
        } catch(e) { }

return count ? `\u21A4${count}\u21A6` : '\u2194';
      }
    }
  });
  editor_json.foldCode(CodeMirror.Pos(5, 0));

window.editor_python = CodeMirror.fromTextArea(te_python, {
    mode: "python",
    lineNumbers: true,
    extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }},
    foldGutter: true,
    gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"]
  });