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codemirror_loadmode.js
64 lines
| 2.2 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
(function(mod) { | ||||
if (typeof exports == "object" && typeof module == "object") // CommonJS | ||||
mod(require("../../lib/codemirror"), "cjs"); | ||||
else if (typeof define == "function" && define.amd) // AMD | ||||
define(["../../lib/codemirror"], function(CM) { mod(CM, "amd"); }); | ||||
else // Plain browser env | ||||
mod(CodeMirror, "plain"); | ||||
})(function(CodeMirror, env) { | ||||
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 file = CodeMirror.modeURL.replace(/%N/g, mode); | ||||
if (env == "plain") { | ||||
var script = document.createElement("script"); | ||||
script.src = file; | ||||
var others = document.getElementsByTagName("script")[0]; | ||||
var list = loading[mode] = [cont]; | ||||
CodeMirror.on(script, "load", function() { | ||||
ensureDeps(mode, function() { | ||||
for (var i = 0; i < list.length; ++i) list[i](); | ||||
}); | ||||
}); | ||||
others.parentNode.insertBefore(script, others); | ||||
} else if (env == "cjs") { | ||||
require(file); | ||||
cont(); | ||||
} else if (env == "amd") { | ||||
requirejs([file], cont); | ||||
} | ||||
}; | ||||
CodeMirror.autoLoadMode = function(instance, mode) { | ||||
if (!CodeMirror.modes.hasOwnProperty(mode)) | ||||
CodeMirror.requireMode(mode, function() { | ||||
instance.setOption("mode", instance.getOption("mode")); | ||||
}); | ||||
}; | ||||
}); | ||||