S2OJ/web/js/codemirror/demo/complete.html

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2016-07-18 16:39:37 +00:00
<!doctype html>
<title>CodeMirror: Autocomplete Demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../doc/docs.css">
<link rel="stylesheet" href="../lib/codemirror.css">
<link rel="stylesheet" href="../addon/hint/show-hint.css">
<script src="../lib/codemirror.js"></script>
<script src="../addon/hint/show-hint.js"></script>
<script src="../addon/hint/javascript-hint.js"></script>
<script src="../mode/javascript/javascript.js"></script>
<div id=nav>
<a href="http://codemirror.net"><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/marijnh/codemirror">Code</a>
</ul>
<ul>
<li><a class=active href="#">Autocomplete</a>
</ul>
</div>
<article>
<h2>Autocomplete Demo</h2>
<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. Built
on top of the <a href="../doc/manual.html#addon_show-hint"><code>show-hint</code></a>
and <a href="../doc/manual.html#addon_javascript-hint"><code>javascript-hint</code></a>
addons.</p>
<script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
extraKeys: {"Ctrl-Space": "autocomplete"},
mode: {name: "javascript", globalVars: true}
});
</script>
</article>