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Diffstat (limited to 'includes/js/dojo/_base/_loader/loader.js')
| -rw-r--r-- | includes/js/dojo/_base/_loader/loader.js | 690 |
1 files changed, 690 insertions, 0 deletions
diff --git a/includes/js/dojo/_base/_loader/loader.js b/includes/js/dojo/_base/_loader/loader.js new file mode 100644 index 0000000..6a16e4f --- /dev/null +++ b/includes/js/dojo/_base/_loader/loader.js @@ -0,0 +1,690 @@ +if(!dojo._hasResource["dojo.foo"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.foo"] = true; +/* + * loader.js - A bootstrap module. Runs before the hostenv_*.js file. Contains + * all of the package loading methods. + */ + +(function(){ + var d = dojo; + + d.mixin(d, { + _loadedModules: {}, + _inFlightCount: 0, + _hasResource: {}, + + _modulePrefixes: { + dojo: { name: "dojo", value: "." }, + // dojox: { name: "dojox", value: "../dojox" }, + // dijit: { name: "dijit", value: "../dijit" }, + doh: { name: "doh", value: "../util/doh" }, + tests: { name: "tests", value: "tests" } + }, + + _moduleHasPrefix: function(/*String*/module){ + // summary: checks to see if module has been established + var mp = this._modulePrefixes; + return !!(mp[module] && mp[module].value); // Boolean + }, + + _getModulePrefix: function(/*String*/module){ + // summary: gets the prefix associated with module + var mp = this._modulePrefixes; + if(this._moduleHasPrefix(module)){ + return mp[module].value; // String + } + return module; // String + }, + + _loadedUrls: [], + + //WARNING: + // This variable is referenced by packages outside of bootstrap: + // FloatingPane.js and undo/browser.js + _postLoad: false, + + //Egad! Lots of test files push on this directly instead of using dojo.addOnLoad. + _loaders: [], + _unloaders: [], + _loadNotifying: false + }); + + + dojo._loadPath = function(/*String*/relpath, /*String?*/module, /*Function?*/cb){ + // summary: + // Load a Javascript module given a relative path + // + // description: + // Loads and interprets the script located at relpath, which is + // relative to the script root directory. If the script is found but + // its interpretation causes a runtime exception, that exception is + // not caught by us, so the caller will see it. We return a true + // value if and only if the script is found. + // + // relpath: + // A relative path to a script (no leading '/', and typically ending + // in '.js'). + // module: + // A module whose existance to check for after loading a path. Can be + // used to determine success or failure of the load. + // cb: + // a callback function to pass the result of evaluating the script + + var uri = ((relpath.charAt(0) == '/' || relpath.match(/^\w+:/)) ? "" : this.baseUrl) + relpath; + try{ + return !module ? this._loadUri(uri, cb) : this._loadUriAndCheck(uri, module, cb); // Boolean + }catch(e){ + console.error(e); + return false; // Boolean + } + } + + dojo._loadUri = function(/*String*/uri, /*Function?*/cb){ + // summary: + // Loads JavaScript from a URI + // description: + // Reads the contents of the URI, and evaluates the contents. This is + // used to load modules as well as resource bundles. Returns true if + // it succeeded. Returns false if the URI reading failed. Throws if + // the evaluation throws. + // uri: a uri which points at the script to be loaded + // cb: + // a callback function to process the result of evaluating the script + // as an expression, typically used by the resource bundle loader to + // load JSON-style resources + + if(this._loadedUrls[uri]){ + return true; // Boolean + } + var contents = this._getText(uri, true); + if(!contents){ return false; } // Boolean + this._loadedUrls[uri] = true; + this._loadedUrls.push(uri); + if(cb){ + contents = '('+contents+')'; + }else{ + //Only do the scoping if no callback. If a callback is specified, + //it is most likely the i18n bundle stuff. + contents = this._scopePrefix + contents + this._scopeSuffix; + } + if(d.isMoz){ contents += "\r\n//@ sourceURL=" + uri; } // debugging assist for Firebug + var value = d["eval"](contents); + if(cb){ cb(value); } + return true; // Boolean + } + + // FIXME: probably need to add logging to this method + dojo._loadUriAndCheck = function(/*String*/uri, /*String*/moduleName, /*Function?*/cb){ + // summary: calls loadUri then findModule and returns true if both succeed + var ok = false; + try{ + ok = this._loadUri(uri, cb); + }catch(e){ + console.error("failed loading " + uri + " with error: " + e); + } + return !!(ok && this._loadedModules[moduleName]); // Boolean + } + + dojo.loaded = function(){ + // summary: + // signal fired when initial environment and package loading is + // complete. You may use dojo.addOnLoad() or dojo.connect() to + // this method in order to handle initialization tasks that + // require the environment to be initialized. In a browser host, + // declarative widgets will be constructed when this function + // finishes runing. + this._loadNotifying = true; + this._postLoad = true; + var mll = d._loaders; + + //Clear listeners so new ones can be added + //For other xdomain package loads after the initial load. + this._loaders = []; + + for(var x = 0; x < mll.length; x++){ + try{ + mll[x](); + }catch(e){ + throw e; + console.error("dojo.addOnLoad callback failed: " + e, e); /* let other load events fire, like the parser, but report the error */ + } + } + + this._loadNotifying = false; + + //Make sure nothing else got added to the onload queue + //after this first run. If something did, and we are not waiting for any + //more inflight resources, run again. + if(d._postLoad && d._inFlightCount == 0 && mll.length){ + d._callLoaded(); + } + } + + dojo.unloaded = function(){ + // summary: + // signal fired by impending environment destruction. You may use + // dojo.addOnUnload() or dojo.connect() to this method to perform + // page/application cleanup methods. + var mll = this._unloaders; + while(mll.length){ + (mll.pop())(); + } + } + + var onto = function(arr, obj, fn){ + if(!fn){ + arr.push(obj); + }else if(fn){ + var func = (typeof fn == "string") ? obj[fn] : fn; + arr.push(function(){ func.call(obj); }); + } + } + + dojo.addOnLoad = function(/*Object?*/obj, /*String|Function*/functionName){ + // summary: + // Registers a function to be triggered after the DOM has finished + // loading and widgets declared in markup have been instantiated. + // Images and CSS files may or may not have finished downloading when + // the specified function is called. (Note that widgets' CSS and HTML + // code is guaranteed to be downloaded before said widgets are + // instantiated.) + // example: + // | dojo.addOnLoad(functionPointer); + // | dojo.addOnLoad(object, "functionName"); + // | dojo.addOnLoad(object, function(){ /* ... */}); + + onto(d._loaders, obj, functionName); + + //Added for xdomain loading. dojo.addOnLoad is used to + //indicate callbacks after doing some dojo.require() statements. + //In the xdomain case, if all the requires are loaded (after initial + //page load), then immediately call any listeners. + if(d._postLoad && d._inFlightCount == 0 && !d._loadNotifying){ + d._callLoaded(); + } + } + + dojo.addOnUnload = function(/*Object?*/obj, /*String|Function?*/functionName){ + // summary: + // registers a function to be triggered when the page unloads + // example: + // | dojo.addOnUnload(functionPointer) + // | dojo.addOnUnload(object, "functionName") + // | dojo.addOnUnload(object, function(){ /* ... */}); + + onto(d._unloaders, obj, functionName); + } + + dojo._modulesLoaded = function(){ + if(d._postLoad){ return; } + if(d._inFlightCount > 0){ + console.warn("files still in flight!"); + return; + } + d._callLoaded(); + } + + dojo._callLoaded = function(){ + + // The "object" check is for IE, and the other opera check fixes an + // issue in Opera where it could not find the body element in some + // widget test cases. For 0.9, maybe route all browsers through the + // setTimeout (need protection still for non-browser environments + // though). This might also help the issue with FF 2.0 and freezing + // issues where we try to do sync xhr while background css images are + // being loaded (trac #2572)? Consider for 0.9. + if(typeof setTimeout == "object" || (dojo.config.useXDomain && d.isOpera)){ + if(dojo.isAIR){ + setTimeout(function(){dojo.loaded();}, 0); + }else{ + setTimeout(dojo._scopeName + ".loaded();", 0); + } + }else{ + d.loaded(); + } + } + + dojo._getModuleSymbols = function(/*String*/modulename){ + // summary: + // Converts a module name in dotted JS notation to an array + // representing the path in the source tree + var syms = modulename.split("."); + for(var i = syms.length; i>0; i--){ + var parentModule = syms.slice(0, i).join("."); + if((i==1) && !this._moduleHasPrefix(parentModule)){ + // Support default module directory (sibling of dojo) for top-level modules + syms[0] = "../" + syms[0]; + }else{ + var parentModulePath = this._getModulePrefix(parentModule); + if(parentModulePath != parentModule){ + syms.splice(0, i, parentModulePath); + break; + } + } + } + // console.debug(syms); + return syms; // Array + } + + dojo._global_omit_module_check = false; + + dojo._loadModule = dojo.require = function(/*String*/moduleName, /*Boolean?*/omitModuleCheck){ + // summary: + // loads a Javascript module from the appropriate URI + // moduleName: + // module name to load. Module paths are de-referenced by dojo's + // internal mapping of locations to names and are disambiguated by + // longest prefix. See `dojo.registerModulePath()` for details on + // registering new modules. + // omitModuleCheck: + // if `true`, omitModuleCheck skips the step of ensuring that the + // loaded file actually defines the symbol it is referenced by. + // For example if it called as `dojo._loadModule("a.b.c")` and the + // file located at `a/b/c.js` does not define an object `a.b.c`, + // and exception will be throws whereas no exception is raised + // when called as `dojo._loadModule("a.b.c", true)` + // description: + // `dojo._loadModule("A.B")` first checks to see if symbol A.B is + // defined. If it is, it is simply returned (nothing to do). + // + // If it is not defined, it will look for `A/B.js` in the script root + // directory. + // + // `dojo._loadModule` throws an excpetion if it cannot find a file + // to load, or if the symbol `A.B` is not defined after loading. + // + // It returns the object `A.B`. + // + // `dojo._loadModule()` does nothing about importing symbols into + // the current namespace. It is presumed that the caller will + // take care of that. For example, to import all symbols into a + // local block, you might write: + // + // | with (dojo._loadModule("A.B")) { + // | ... + // | } + // + // And to import just the leaf symbol to a local variable: + // + // | var B = dojo._loadModule("A.B"); + // | ... + // returns: the required namespace object + omitModuleCheck = this._global_omit_module_check || omitModuleCheck; + + //Check if it is already loaded. + var module = this._loadedModules[moduleName]; + if(module){ + return module; + } + + // convert periods to slashes + var relpath = this._getModuleSymbols(moduleName).join("/") + '.js'; + + var modArg = (!omitModuleCheck) ? moduleName : null; + var ok = this._loadPath(relpath, modArg); + + if(!ok && !omitModuleCheck){ + throw new Error("Could not load '" + moduleName + "'; last tried '" + relpath + "'"); + } + + // check that the symbol was defined + // Don't bother if we're doing xdomain (asynchronous) loading. + if(!omitModuleCheck && !this._isXDomain){ + // pass in false so we can give better error + module = this._loadedModules[moduleName]; + if(!module){ + throw new Error("symbol '" + moduleName + "' is not defined after loading '" + relpath + "'"); + } + } + + return module; + } + + dojo.provide = function(/*String*/ resourceName){ + // summary: + // Each javascript source file must have at least one + // `dojo.provide()` call at the top of the file, corresponding to + // the file name. For example, `js/dojo/foo.js` must have + // `dojo.provide("dojo.foo");` before any calls to + // `dojo.require()` are made. + // description: + // Each javascript source file is called a resource. When a + // resource is loaded by the browser, `dojo.provide()` registers + // that it has been loaded. + // + // For backwards compatibility reasons, in addition to registering + // the resource, `dojo.provide()` also ensures that the javascript + // object for the module exists. For example, + // `dojo.provide("dojox.data.FlickrStore")`, in addition to + // registering that `FlickrStore.js` is a resource for the + // `dojox.data` module, will ensure that the `dojox.data` + // javascript object exists, so that calls like + // `dojo.data.foo = function(){ ... }` don't fail. + // + // In the case of a build where multiple javascript source files + // are combined into one bigger file (similar to a .lib or .jar + // file), that file may contain multiple dojo.provide() calls, to + // note that it includes multiple resources. + + //Make sure we have a string. + resourceName = resourceName + ""; + return (d._loadedModules[resourceName] = d.getObject(resourceName, true)); // Object + } + + //Start of old bootstrap2: + + dojo.platformRequire = function(/*Object*/modMap){ + // summary: + // require one or more modules based on which host environment + // Dojo is currently operating in + // description: + // This method takes a "map" of arrays which one can use to + // optionally load dojo modules. The map is indexed by the + // possible dojo.name_ values, with two additional values: + // "default" and "common". The items in the "default" array will + // be loaded if none of the other items have been choosen based on + // dojo.name_, set by your host environment. The items in the + // "common" array will *always* be loaded, regardless of which + // list is chosen. + // example: + // | dojo.platformRequire({ + // | browser: [ + // | "foo.sample", // simple module + // | "foo.test", + // | ["foo.bar.baz", true] // skip object check in _loadModule + // | ], + // | default: [ "foo.sample._base" ], + // | common: [ "important.module.common" ] + // | }); + + var common = modMap.common || []; + var result = common.concat(modMap[d._name] || modMap["default"] || []); + + for(var x=0; x<result.length; x++){ + var curr = result[x]; + if(curr.constructor == Array){ + d._loadModule.apply(d, curr); + }else{ + d._loadModule(curr); + } + } + } + + dojo.requireIf = function(/*Boolean*/ condition, /*String*/ resourceName){ + // summary: + // If the condition is true then call dojo.require() for the specified + // resource + if(condition === true){ + // FIXME: why do we support chained require()'s here? does the build system? + var args = []; + for(var i = 1; i < arguments.length; i++){ + args.push(arguments[i]); + } + d.require.apply(d, args); + } + } + + dojo.requireAfterIf = d.requireIf; + + dojo.registerModulePath = function(/*String*/module, /*String*/prefix){ + // summary: + // maps a module name to a path + // description: + // An unregistered module is given the default path of ../[module], + // relative to Dojo root. For example, module acme is mapped to + // ../acme. If you want to use a different module name, use + // dojo.registerModulePath. + // example: + // If your dojo.js is located at this location in the web root: + // | /myapp/js/dojo/dojo/dojo.js + // and your modules are located at: + // | /myapp/js/foo/bar.js + // | /myapp/js/foo/baz.js + // | /myapp/js/foo/thud/xyzzy.js + // Your application can tell Dojo to locate the "foo" namespace by calling: + // | dojo.registerModulePath("foo", "../../foo"); + // At which point you can then use dojo.require() to load the + // modules (assuming they provide() the same things which are + // required). The full code might be: + // | <script type="text/javascript" + // | src="/myapp/js/dojo/dojo/dojo.js"></script> + // | <script type="text/javascript"> + // | dojo.registerModulePath("foo", "../../foo"); + // | dojo.require("foo.bar"); + // | dojo.require("foo.baz"); + // | dojo.require("foo.thud.xyzzy"); + // | </script> + d._modulePrefixes[module] = { name: module, value: prefix }; + } + + dojo.requireLocalization = function(/*String*/moduleName, /*String*/bundleName, /*String?*/locale, /*String?*/availableFlatLocales){ + // summary: + // Declares translated resources and loads them if necessary, in the + // same style as dojo.require. Contents of the resource bundle are + // typically strings, but may be any name/value pair, represented in + // JSON format. See also dojo.i18n.getLocalization. + // moduleName: + // name of the package containing the "nls" directory in which the + // bundle is found + // bundleName: + // bundle name, i.e. the filename without the '.js' suffix + // locale: + // the locale to load (optional) By default, the browser's user + // locale as defined by dojo.locale + // availableFlatLocales: + // A comma-separated list of the available, flattened locales for this + // bundle. This argument should only be set by the build process. + // description: + // Load translated resource bundles provided underneath the "nls" + // directory within a package. Translated resources may be located in + // different packages throughout the source tree. For example, a + // particular widget may define one or more resource bundles, + // structured in a program as follows, where moduleName is + // mycode.mywidget and bundleNames available include bundleone and + // bundletwo: + // + // | ... + // | mycode/ + // | mywidget/ + // | nls/ + // | bundleone.js (the fallback translation, English in this example) + // | bundletwo.js (also a fallback translation) + // | de/ + // | bundleone.js + // | bundletwo.js + // | de-at/ + // | bundleone.js + // | en/ + // | (empty; use the fallback translation) + // | en-us/ + // | bundleone.js + // | en-gb/ + // | bundleone.js + // | es/ + // | bundleone.js + // | bundletwo.js + // | ...etc + // | ... + // + // Each directory is named for a locale as specified by RFC 3066, + // (http://www.ietf.org/rfc/rfc3066.txt), normalized in lowercase. + // Note that the two bundles in the example do not define all the + // same variants. For a given locale, bundles will be loaded for + // that locale and all more general locales above it, including a + // fallback at the root directory. For example, a declaration for + // the "de-at" locale will first load `nls/de-at/bundleone.js`, + // then `nls/de/bundleone.js` and finally `nls/bundleone.js`. The + // data will be flattened into a single Object so that lookups + // will follow this cascading pattern. An optional build step can + // preload the bundles to avoid data redundancy and the multiple + // network hits normally required to load these resources. + + d.require("dojo.i18n"); + d.i18n._requireLocalization.apply(d.hostenv, arguments); + }; + + + var ore = new RegExp("^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?$"); + var ire = new RegExp("^((([^:]+:)?([^@]+))@)?([^:]*)(:([0-9]+))?$"); + + dojo._Url = function(/*dojo._Url||String...*/){ + // summary: + // Constructor to create an object representing a URL. + // It is marked as private, since we might consider removing + // or simplifying it. + // description: + // Each argument is evaluated in order relative to the next until + // a canonical uri is produced. To get an absolute Uri relative to + // the current document use: + // new dojo._Url(document.baseURI, url) + + var n = null; + + // TODO: support for IPv6, see RFC 2732 + var _a = arguments; + var uri = [_a[0]]; + // resolve uri components relative to each other + for(var i = 1; i<_a.length; i++){ + if(!_a[i]){ continue; } + + // Safari doesn't support this.constructor so we have to be explicit + // FIXME: Tracked (and fixed) in Webkit bug 3537. + // http://bugs.webkit.org/show_bug.cgi?id=3537 + var relobj = new d._Url(_a[i]+""); + var uriobj = new d._Url(uri[0]+""); + + if( + relobj.path == "" && + !relobj.scheme && + !relobj.authority && + !relobj.query + ){ + if(relobj.fragment != n){ + uriobj.fragment = relobj.fragment; + } + relobj = uriobj; + }else if(!relobj.scheme){ + relobj.scheme = uriobj.scheme; + + if(!relobj.authority){ + relobj.authority = uriobj.authority; + + if(relobj.path.charAt(0) != "/"){ + var path = uriobj.path.substring(0, + uriobj.path.lastIndexOf("/") + 1) + relobj.path; + + var segs = path.split("/"); + for(var j = 0; j < segs.length; j++){ + if(segs[j] == "."){ + // flatten "./" references + if(j == segs.length - 1){ + segs[j] = ""; + }else{ + segs.splice(j, 1); + j--; + } + }else if(j > 0 && !(j == 1 && segs[0] == "") && + segs[j] == ".." && segs[j-1] != ".."){ + // flatten "../" references + if(j == (segs.length - 1)){ + segs.splice(j, 1); + segs[j - 1] = ""; + }else{ + segs.splice(j - 1, 2); + j -= 2; + } + } + } + relobj.path = segs.join("/"); + } + } + } + + uri = []; + if(relobj.scheme){ + uri.push(relobj.scheme, ":"); + } + if(relobj.authority){ + uri.push("//", relobj.authority); + } + uri.push(relobj.path); + if(relobj.query){ + uri.push("?", relobj.query); + } + if(relobj.fragment){ + uri.push("#", relobj.fragment); + } + } + + this.uri = uri.join(""); + + // break the uri into its main components + var r = this.uri.match(ore); + + this.scheme = r[2] || (r[1] ? "" : n); + this.authority = r[4] || (r[3] ? "" : n); + this.path = r[5]; // can never be undefined + this.query = r[7] || (r[6] ? "" : n); + this.fragment = r[9] || (r[8] ? "" : n); + + if(this.authority != n){ + // server based naming authority + r = this.authority.match(ire); + + this.user = r[3] || n; + this.password = r[4] || n; + this.host = r[5]; + this.port = r[7] || n; + } + } + + dojo._Url.prototype.toString = function(){ return this.uri; }; + + dojo.moduleUrl = function(/*String*/module, /*dojo._Url||String*/url){ + // summary: + // Returns a `dojo._Url` object relative to a module. + // example: + // | var pngPath = dojo.moduleUrl("acme","images/small.png"); + // | console.dir(pngPath); // list the object properties + // | // create an image and set it's source to pngPath's value: + // | var img = document.createElement("img"); + // | // NOTE: we assign the string representation of the url object + // | img.src = pngPath.toString(); + // | // add our image to the document + // | dojo.body().appendChild(img); + // example: + // you may de-reference as far as you like down the package + // hierarchy. This is sometimes handy to avoid lenghty relative + // urls or for building portable sub-packages. In this example, + // the `acme.widget` and `acme.util` directories may be located + // under different roots (see `dojo.registerModulePath`) but the + // the modules which reference them can be unaware of their + // relative locations on the filesystem: + // | // somewhere in a configuration block + // | dojo.registerModulePath("acme.widget", "../../acme/widget"); + // | dojo.registerModulePath("acme.util", "../../util"); + // | + // | // ... + // | + // | // code in a module using acme resources + // | var tmpltPath = dojo.moduleUrl("acme.widget","templates/template.html"); + // | var dataPath = dojo.moduleUrl("acme.util","resources/data.json"); + + var loc = d._getModuleSymbols(module).join('/'); + if(!loc){ return null; } + if(loc.lastIndexOf("/") != loc.length-1){ + loc += "/"; + } + + //If the path is an absolute path (starts with a / or is on another + //domain/xdomain) then don't add the baseUrl. + var colonIndex = loc.indexOf(":"); + if(loc.charAt(0) != "/" && (colonIndex == -1 || colonIndex > loc.indexOf("/"))){ + loc = d.baseUrl + loc; + } + + return new d._Url(loc, url); // String + } +})(); + +} |