<!doctype html>
<html>
<head>
<title>CodeMirror 2: Autocomplete Demo</title>
<link rel="stylesheet" href="../lib/codemirror.css">
<script src="../lib/codemirror.js"></script>
<link rel="stylesheet" href="../theme/night.css">
<script src="../mode/javascript/javascript.js"></script>
<link rel="stylesheet" href="../css/docs.css">
<style type="text/css">
.completions {
position: absolute;
z-index: 10;
overflow: hidden;
-webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
-moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
box-shadow: 2px 3px 5px rgba(0,0,0,.2);
}
.completions select {
background: #fafafa;
outline: none;
border: none;
padding: 0;
margin: 0;
font-family: monospace;
}
.CodeMirror {
border: 1px solid #eee;
}
</style>
</head>
<body>
<h1>CodeMirror 2: 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 <a href="complete.js">code</a> to figure out how it works.</p>
<script src="complete.js"></script>
</body>
</html>