| <!doctype html> |
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| <head> |
| <title>CodeMirror: Code Folding Demo</title> |
| <meta charset="utf-8"/> |
| <link rel=stylesheet href="../doc/docs.css"> |
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| <style> |
| .some-css { |
| color: red; |
| line-height: 2; |
| } |
| </style> |
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| <link rel="stylesheet" href="../lib/codemirror.css"> |
| <link rel="stylesheet" href="../addon/fold/foldgutter.css" /> |
| <script src="../lib/codemirror.js"></script> |
| <script src="../addon/fold/foldcode.js"></script> |
| <script src="../addon/fold/foldgutter.js"></script> |
| <script src="../addon/fold/brace-fold.js"></script> |
| <script src="../addon/fold/xml-fold.js"></script> |
| <script src="../addon/fold/indent-fold.js"></script> |
| <script src="../addon/fold/markdown-fold.js"></script> |
| <script src="../addon/fold/comment-fold.js"></script> |
| <script src="../mode/javascript/javascript.js"></script> |
| <script src="../mode/xml/xml.js"></script> |
| <script src="../mode/css/css.js"></script> |
| <script src="../mode/htmlmixed/htmlmixed.js"></script> |
| <script src="../mode/python/python.js"></script> |
| <script src="../mode/markdown/markdown.js"></script> |
| <style> |
| .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;} |
| </style> |
| </head> |
|
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| <body> |
| <div id=nav> |
| <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> |
|
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| <ul> |
| <li><a href="../index.html">Home</a> |
| <li><a href="../doc/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"> |
| |
| |
| |
| 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 = CodeMirror.fromTextArea(te, { |
| mode: "javascript", |
| lineNumbers: true, |
| lineWrapping: true, |
| extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }}, |
| foldGutter: true, |
| gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"] |
| }); |
| editor.foldCode(CodeMirror.Pos(13, 0)); |
| |
| 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; |
| |
| |
| var startToken = '{', endToken = '}'; |
| var prevLine = window.editor_json.getLine(from.line); |
| if (prevLine.lastIndexOf('[') > prevLine.lastIndexOf('{')) { |
| startToken = '[', endToken = ']'; |
| } |
| |
| |
| var internal = window.editor_json.getRange(from, to); |
| var toParse = startToken + internal + endToken; |
| |
| |
| 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_html = CodeMirror.fromTextArea(te_html, { |
| mode: "text/html", |
| lineNumbers: true, |
| lineWrapping: true, |
| extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }}, |
| foldGutter: true, |
| gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"] |
| }); |
| editor_html.foldCode(CodeMirror.Pos(0, 0)); |
| editor_html.foldCode(CodeMirror.Pos(34, 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"] |
| }); |
| |
| window.editor_markdown = CodeMirror.fromTextArea(te_markdown, { |
| mode: "markdown", |
| lineNumbers: true, |
| lineWrapping: true, |
| extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }}, |
| foldGutter: true, |
| gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"] |
| }); |
| }; |
| </script> |
| </article> |
| </body> |
|
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