stylus/codemirror-2.36/lib/util/loadmode.js
Eric Wood b87ab87ce0 Replace textarea instaces CodeMirror
Added CodeMirror files
TODO: remove unnecessary files
2012-11-27 12:06:37 -06:00

52 lines
1.7 KiB
JavaScript

(function() {
if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";
var loading = {};
function splitCallback(cont, n) {
var countDown = n;
return function() { if (--countDown == 0) cont(); };
}
function ensureDeps(mode, cont) {
var deps = CodeMirror.modes[mode].dependencies;
if (!deps) return cont();
var missing = [];
for (var i = 0; i < deps.length; ++i) {
if (!CodeMirror.modes.hasOwnProperty(deps[i]))
missing.push(deps[i]);
}
if (!missing.length) return cont();
var split = splitCallback(cont, missing.length);
for (var i = 0; i < missing.length; ++i)
CodeMirror.requireMode(missing[i], split);
}
CodeMirror.requireMode = function(mode, cont) {
if (typeof mode != "string") mode = mode.name;
if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);
var script = document.createElement("script");
script.src = CodeMirror.modeURL.replace(/%N/g, mode);
var others = document.getElementsByTagName("script")[0];
others.parentNode.insertBefore(script, others);
var list = loading[mode] = [cont];
var count = 0, poll = setInterval(function() {
if (++count > 100) return clearInterval(poll);
if (CodeMirror.modes.hasOwnProperty(mode)) {
clearInterval(poll);
loading[mode] = null;
ensureDeps(mode, function() {
for (var i = 0; i < list.length; ++i) list[i]();
});
}
}, 200);
};
CodeMirror.autoLoadMode = function(instance, mode) {
if (!CodeMirror.modes.hasOwnProperty(mode))
CodeMirror.requireMode(mode, function() {
instance.setOption("mode", instance.getOption("mode"));
});
};
}());