-if(!dojo._hasResource["dojo._base.lang"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojo._base.lang"] = true;
-dojo.provide("dojo._base.lang");
-
-// Crockford (ish) functions
-
-dojo.isString = function(/*anything*/ it){
- // summary:
- // Return true if it is a String
- return !!arguments.length && it != null && (typeof it == "string" || it instanceof String); // Boolean
-}
-
-dojo.isArray = function(/*anything*/ it){
- // summary:
- // Return true if it is an Array
- return it && (it instanceof Array || typeof it == "array"); // Boolean
-}
-
-/*=====
-dojo.isFunction = function(it){
- // summary: Return true if it is a Function
- // it: anything
- // return: Boolean
-}
-=====*/
-
-dojo.isFunction = (function(){
- var _isFunction = function(/*anything*/ it){
- return it && (typeof it == "function" || it instanceof Function); // Boolean
- };
-
- return dojo.isSafari ?
- // only slow this down w/ gratuitious casting in Safari since it's what's b0rken
- function(/*anything*/ it){
- if(typeof it == "function" && it == "[object NodeList]"){ return false; }
- return _isFunction(it); // Boolean
- } : _isFunction;
-})();
-
-dojo.isObject = function(/*anything*/ it){
- // summary:
- // Returns true if it is a JavaScript object (or an Array, a Function
- // or null)
- return it !== undefined &&
- (it === null || typeof it == "object" || dojo.isArray(it) || dojo.isFunction(it)); // Boolean
-}
-
-dojo.isArrayLike = function(/*anything*/ it){
- // summary:
- // similar to dojo.isArray() but more permissive
- // description:
- // Doesn't strongly test for "arrayness". Instead, settles for "isn't
- // a string or number and has a length property". Arguments objects
- // and DOM collections will return true when passed to
- // dojo.isArrayLike(), but will return false when passed to
- // dojo.isArray().
- // return:
- // If it walks like a duck and quicks like a duck, return `true`
- var d = dojo;
- return it && it !== undefined &&
- // keep out built-in constructors (Number, String, ...) which have length
- // properties
- !d.isString(it) && !d.isFunction(it) &&
- !(it.tagName && it.tagName.toLowerCase() == 'form') &&
- (d.isArray(it) || isFinite(it.length)); // Boolean
-}
-
-dojo.isAlien = function(/*anything*/ it){
- // summary:
- // Returns true if it is a built-in function or some other kind of
- // oddball that *should* report as a function but doesn't
- return it && !dojo.isFunction(it) && /\{\s*\[native code\]\s*\}/.test(String(it)); // Boolean
-}
-
-dojo.extend = function(/*Object*/ constructor, /*Object...*/ props){
- // summary:
- // Adds all properties and methods of props to constructor's
- // prototype, making them available to all instances created with
- // constructor.
- for(var i=1, l=arguments.length; i<l; i++){
- dojo._mixin(constructor.prototype, arguments[i]);
- }
- return constructor; // Object
-}
-
-dojo._hitchArgs = function(scope, method /*,...*/){
- var pre = dojo._toArray(arguments, 2);
- var named = dojo.isString(method);
- return function(){
- // arrayify arguments
- var args = dojo._toArray(arguments);
- // locate our method
- var f = named ? (scope||dojo.global)[method] : method;
- // invoke with collected args
- return f && f.apply(scope || this, pre.concat(args)); // mixed
- } // Function
-}
-
-dojo.hitch = function(/*Object*/scope, /*Function|String*/method /*,...*/){
- // summary:
- // Returns a function that will only ever execute in the a given scope.
- // This allows for easy use of object member functions
- // in callbacks and other places in which the "this" keyword may
- // otherwise not reference the expected scope.
- // Any number of default positional arguments may be passed as parameters
- // beyond "method".
- // Each of these values will be used to "placehold" (similar to curry)
- // for the hitched function.
- // scope:
- // The scope to use when method executes. If method is a string,
- // scope is also the object containing method.
- // method:
- // A function to be hitched to scope, or the name of the method in
- // scope to be hitched.
- // example:
- // | dojo.hitch(foo, "bar")();
- // runs foo.bar() in the scope of foo
- // example:
- // | dojo.hitch(foo, myFunction);
- // returns a function that runs myFunction in the scope of foo
- if(arguments.length > 2){
- return dojo._hitchArgs.apply(dojo, arguments); // Function
- }
- if(!method){
- method = scope;
- scope = null;
- }
- if(dojo.isString(method)){
- scope = scope || dojo.global;
- if(!scope[method]){ throw(['dojo.hitch: scope["', method, '"] is null (scope="', scope, '")'].join('')); }
- return function(){ return scope[method].apply(scope, arguments || []); }; // Function
- }
- return !scope ? method : function(){ return method.apply(scope, arguments || []); }; // Function
-}
-
-/*=====
-dojo.delegate = function(obj, props){
- // summary:
- // returns a new object which "looks" to obj for properties which it
- // does not have a value for. Optionally takes a bag of properties to
- // seed the returned object with initially.
- // description:
- // This is a small implementaton of the Boodman/Crockford delegation
- // pattern in JavaScript. An intermediate object constructor mediates
- // the prototype chain for the returned object, using it to delegate
- // down to obj for property lookup when object-local lookup fails.
- // This can be thought of similarly to ES4's "wrap", save that it does
- // not act on types but rather on pure objects.
- // obj:
- // The object to delegate to for properties not found directly on the
- // return object or in props.
- // props:
- // an object containing properties to assign to the returned object
- // returns:
- // an Object of anonymous type
- // example:
- // | var foo = { bar: "baz" };
- // | var thinger = dojo.delegate(foo, { thud: "xyzzy"});
- // | thinger.bar == "baz"; // delegated to foo
- // | foo.thud == undefined; // by definition
- // | thinger.thud == "xyzzy"; // mixed in from props
- // | foo.bar = "thonk";
- // | thinger.bar == "thonk"; // still delegated to foo's bar
-}
-=====*/
-
-
-dojo.delegate = dojo._delegate = function(obj, props){
-
- // boodman/crockford delegation
- function TMP(){};
- TMP.prototype = obj;
- var tmp = new TMP();
- if(props){
- dojo.mixin(tmp, props);
- }
- return tmp; // Object
-}
-
-dojo.partial = function(/*Function|String*/method /*, ...*/){
- // summary:
- // similar to hitch() except that the scope object is left to be
- // whatever the execution context eventually becomes.
- // description:
- // Calling dojo.partial is the functional equivalent of calling:
- // | dojo.hitch(null, funcName, ...);
- var arr = [ null ];
- return dojo.hitch.apply(dojo, arr.concat(dojo._toArray(arguments))); // Function
-}
-
-dojo._toArray = function(/*Object*/obj, /*Number?*/offset, /*Array?*/ startWith){
- // summary:
- // Converts an array-like object (i.e. arguments, DOMCollection) to an
- // array. Returns a new Array with the elements of obj.
- // obj:
- // the object to "arrayify". We expect the object to have, at a
- // minimum, a length property which corresponds to integer-indexed
- // properties.
- // offset:
- // the location in obj to start iterating from. Defaults to 0.
- // Optional.
- // startWith:
- // An array to pack with the properties of obj. If provided,
- // properties in obj are appended at the end of startWith and
- // startWith is the returned array.
- var arr = startWith||[];
- for(var x = offset || 0; x < obj.length; x++){
- arr.push(obj[x]);
- }
- return arr; // Array
-}
-
-dojo.clone = function(/*anything*/ o){
- // summary:
- // Clones objects (including DOM nodes) and all children.
- // Warning: do not clone cyclic structures.
- if(!o){ return o; }
- if(dojo.isArray(o)){
- var r = [];
- for(var i = 0; i < o.length; ++i){
- r.push(dojo.clone(o[i]));
- }
- return r; // Array
- }
- if(!dojo.isObject(o)){
- return o; /*anything*/
- }
- if(o.nodeType && o.cloneNode){ // isNode
- return o.cloneNode(true); // Node
- }
- if(o instanceof Date){
- return new Date(o.getTime()); // Date
- }
- // Generic objects
- var r = new o.constructor(); // specific to dojo.declare()'d classes!
- for(var i in o){
- if(!(i in r) || r[i] != o[i]){
- r[i] = dojo.clone(o[i]);
- }
- }
- return r; // Object
-}
-
-dojo.trim = function(/*String*/ str){
- // summary:
- // trims whitespaces from both sides of the string
- // description:
- // This version of trim() was selected for inclusion into the base due
- // to its compact size and relatively good performance (see Steven
- // Levithan's blog:
- // http://blog.stevenlevithan.com/archives/faster-trim-javascript).
- // The fastest but longest version of this function is located at
- // dojo.string.trim()
- return str.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); // String
-}
-
-}
projects / eow / blobdiff