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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.lang.func");
dojo.require("dojo.lang.common");
dojo.lang.hitch = function (thisObject, method) {
var args = [];
for (var x = 2; x < arguments.length; x++) {
args.push(arguments[x]);
}
var fcn = (dojo.lang.isString(method) ? thisObject[method] : method) || function () {
};
return function () {
var ta = args.concat([]);
for (var x = 0; x < arguments.length; x++) {
ta.push(arguments[x]);
}
return fcn.apply(thisObject, ta);
};
};
dojo.lang.anonCtr = 0;
dojo.lang.anon = {};
dojo.lang.nameAnonFunc = function (anonFuncPtr, thisObj, searchForNames) {
var nso = (thisObj || dojo.lang.anon);
if ((searchForNames) || ((dj_global["djConfig"]) && (djConfig["slowAnonFuncLookups"] == true))) {
for (var x in nso) {
try {
if (nso[x] === anonFuncPtr) {
return x;
}
}
catch (e) {
}
}
}
var ret = "__" + dojo.lang.anonCtr++;
while (typeof nso[ret] != "undefined") {
ret = "__" + dojo.lang.anonCtr++;
}
nso[ret] = anonFuncPtr;
return ret;
};
dojo.lang.forward = function (funcName) {
return function () {
return this[funcName].apply(this, arguments);
};
};
dojo.lang.curry = function (thisObj, func) {
var outerArgs = [];
thisObj = thisObj || dj_global;
if (dojo.lang.isString(func)) {
func = thisObj[func];
}
for (var x = 2; x < arguments.length; x++) {
outerArgs.push(arguments[x]);
}
var ecount = (func["__preJoinArity"] || func.length) - outerArgs.length;
function gather(nextArgs, innerArgs, expected) {
var texpected = expected;
var totalArgs = innerArgs.slice(0);
for (var x = 0; x < nextArgs.length; x++) {
totalArgs.push(nextArgs[x]);
}
expected = expected - nextArgs.length;
if (expected <= 0) {
var res = func.apply(thisObj, totalArgs);
expected = texpected;
return res;
} else {
return function () {
return gather(arguments, totalArgs, expected);
};
}
}
return gather([], outerArgs, ecount);
};
dojo.lang.curryArguments = function (thisObj, func, args, offset) {
var targs = [];
var x = offset || 0;
for (x = offset; x < args.length; x++) {
targs.push(args[x]);
}
return dojo.lang.curry.apply(dojo.lang, [thisObj, func].concat(targs));
};
dojo.lang.tryThese = function () {
for (var x = 0; x < arguments.length; x++) {
try {
if (typeof arguments[x] == "function") {
var ret = (arguments[x]());
if (ret) {
return ret;
}
}
}
catch (e) {
dojo.debug(e);
}
}
};
dojo.lang.delayThese = function (farr, cb, delay, onend) {
if (!farr.length) {
if (typeof onend == "function") {
onend();
}
return;
}
if ((typeof delay == "undefined") && (typeof cb == "number")) {
delay = cb;
cb = function () {
};
} else {
if (!cb) {
cb = function () {
};
if (!delay) {
delay = 0;
}
}
}
setTimeout(function () {
(farr.shift())();
cb();
dojo.lang.delayThese(farr, cb, delay, onend);
}, delay);
};