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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.lang.common");
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dojo.lang.inherits = function (subclass, superclass) {
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if (!dojo.lang.isFunction(superclass)) {
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dojo.raise("dojo.inherits: superclass argument [" + superclass + "] must be a function (subclass: [" + subclass + "']");
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}
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subclass.prototype = new superclass();
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subclass.prototype.constructor = subclass;
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subclass.superclass = superclass.prototype;
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subclass["super"] = superclass.prototype;
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};
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dojo.lang._mixin = function (obj, props) {
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var tobj = {};
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for (var x in props) {
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if ((typeof tobj[x] == "undefined") || (tobj[x] != props[x])) {
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obj[x] = props[x];
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}
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}
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if (dojo.render.html.ie && (typeof (props["toString"]) == "function") && (props["toString"] != obj["toString"]) && (props["toString"] != tobj["toString"])) {
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obj.toString = props.toString;
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}
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return obj;
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};
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dojo.lang.mixin = function (obj, props) {
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for (var i = 1, l = arguments.length; i < l; i++) {
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dojo.lang._mixin(obj, arguments[i]);
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}
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return obj;
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};
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dojo.lang.extend = function (constructor, props) {
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for (var i = 1, l = arguments.length; i < l; i++) {
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dojo.lang._mixin(constructor.prototype, arguments[i]);
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}
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return constructor;
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};
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dojo.inherits = dojo.lang.inherits;
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dojo.mixin = dojo.lang.mixin;
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dojo.extend = dojo.lang.extend;
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dojo.lang.find = function (array, value, identity, findLast) {
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if (!dojo.lang.isArrayLike(array) && dojo.lang.isArrayLike(value)) {
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dojo.deprecated("dojo.lang.find(value, array)", "use dojo.lang.find(array, value) instead", "0.5");
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var temp = array;
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array = value;
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value = temp;
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}
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var isString = dojo.lang.isString(array);
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if (isString) {
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array = array.split("");
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}
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if (findLast) {
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var step = -1;
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var i = array.length - 1;
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var end = -1;
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} else {
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var step = 1;
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var i = 0;
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var end = array.length;
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}
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if (identity) {
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while (i != end) {
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if (array[i] === value) {
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return i;
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}
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i += step;
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}
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} else {
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while (i != end) {
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if (array[i] == value) {
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return i;
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}
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i += step;
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}
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}
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return -1;
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};
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dojo.lang.indexOf = dojo.lang.find;
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dojo.lang.findLast = function (array, value, identity) {
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return dojo.lang.find(array, value, identity, true);
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};
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dojo.lang.lastIndexOf = dojo.lang.findLast;
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dojo.lang.inArray = function (array, value) {
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return dojo.lang.find(array, value) > -1;
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};
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dojo.lang.isObject = function (it) {
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if (typeof it == "undefined") {
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return false;
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}
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return (typeof it == "object" || it === null || dojo.lang.isArray(it) || dojo.lang.isFunction(it));
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};
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dojo.lang.isArray = function (it) {
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return (it && it instanceof Array || typeof it == "array");
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};
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dojo.lang.isArrayLike = function (it) {
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if ((!it) || (dojo.lang.isUndefined(it))) {
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return false;
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}
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if (dojo.lang.isString(it)) {
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return false;
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}
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if (dojo.lang.isFunction(it)) {
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return false;
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}
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if (dojo.lang.isArray(it)) {
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return true;
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}
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if ((it.tagName) && (it.tagName.toLowerCase() == "form")) {
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return false;
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}
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if (dojo.lang.isNumber(it.length) && isFinite(it.length)) {
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return true;
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}
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return false;
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};
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dojo.lang.isFunction = function (it) {
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return (it instanceof Function || typeof it == "function");
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};
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(function () {
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if ((dojo.render.html.capable) && (dojo.render.html["safari"])) {
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dojo.lang.isFunction = function (it) {
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if ((typeof (it) == "function") && (it == "[object NodeList]")) {
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return false;
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}
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return (it instanceof Function || typeof it == "function");
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};
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}
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})();
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dojo.lang.isString = function (it) {
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return (typeof it == "string" || it instanceof String);
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};
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dojo.lang.isAlien = function (it) {
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if (!it) {
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return false;
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}
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return !dojo.lang.isFunction(it) && /\{\s*\[native code\]\s*\}/.test(String(it));
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};
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dojo.lang.isBoolean = function (it) {
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return (it instanceof Boolean || typeof it == "boolean");
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};
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dojo.lang.isNumber = function (it) {
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return (it instanceof Number || typeof it == "number");
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};
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dojo.lang.isUndefined = function (it) {
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return ((typeof (it) == "undefined") && (it == undefined));
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};
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