CodeMirror: Autocomplete Demo in CSS Editor 7
Press ctrl-space to activate autocompletion. See the code (here and here) to figure out how it works.
File
lib/codemirror-3.11/demo/complete.htmlView source
<!doctype html> <html> <head> <meta charset="utf-8"> <title>CodeMirror: Autocomplete Demo</title> <link rel="stylesheet" href="../lib/codemirror.css"> <script src="../lib/codemirror.js"></script> <script src="../addon/hint/show-hint.js"></script> <link rel="stylesheet" href="../addon/hint/show-hint.css"> <script src="../addon/hint/javascript-hint.js"></script> <script src="../mode/javascript/javascript.js"></script> <link rel="stylesheet" href="../doc/docs.css"> </head> <body> <h1>CodeMirror: Autocomplete demo</h1> <form><textarea id="code" name="code"> function getCompletions(token, context) { var found = [], start = token.string; function maybeAdd(str) { if (str.indexOf(start) == 0) found.push(str); } function gatherCompletions(obj) { if (typeof obj == "string") forEach(stringProps, maybeAdd); else if (obj instanceof Array) forEach(arrayProps, maybeAdd); else if (obj instanceof Function) forEach(funcProps, maybeAdd); for (var name in obj) maybeAdd(name); } if (context) { // If this is a property, see if it belongs to some object we can // find in the current environment. var obj = context.pop(), base; if (obj.className == "js-variable") base = window[obj.string]; else if (obj.className == "js-string") base = ""; else if (obj.className == "js-atom") base = 1; while (base != null && context.length) base = base[context.pop().string]; if (base != null) gatherCompletions(base); } else { // If not, just look in the window object and any local scope // (reading into JS mode internals to get at the local variables) for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name); gatherCompletions(window); forEach(keywords, maybeAdd); } return found; } </textarea></form> <p>Press <strong>ctrl-space</strong> to activate autocompletion. See the code (<a href="../addon/hint/show-hint.js">here</a> and <a href="../addon/hint/javascript-hint.js">here</a>) to figure out how it works.</p> <script> CodeMirror.commands.autocomplete = function(cm) { CodeMirror.showHint(cm, CodeMirror.javascriptHint); } var editor = CodeMirror.fromTextArea(document.getElementById("code"), { lineNumbers: true, extraKeys: {"Ctrl-Space": "autocomplete"} }); </script> </body> </html>