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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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alexandre_ |
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alexandre_ |
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dojo.provide("dojo.lang.declare");
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dojo.require("dojo.lang.common");
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dojo.require("dojo.lang.extras");
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dojo.lang.declare = function (className, superclass, init, props) {
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if ((dojo.lang.isFunction(props)) || ((!props) && (!dojo.lang.isFunction(init)))) {
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var temp = props;
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props = init;
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init = temp;
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}
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var mixins = [];
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if (dojo.lang.isArray(superclass)) {
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mixins = superclass;
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superclass = mixins.shift();
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}
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if (!init) {
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init = dojo.evalObjPath(className, false);
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if ((init) && (!dojo.lang.isFunction(init))) {
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init = null;
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}
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}
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var ctor = dojo.lang.declare._makeConstructor();
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var scp = (superclass ? superclass.prototype : null);
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if (scp) {
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scp.prototyping = true;
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ctor.prototype = new superclass();
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scp.prototyping = false;
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}
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ctor.superclass = scp;
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ctor.mixins = mixins;
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for (var i = 0, l = mixins.length; i < l; i++) {
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dojo.lang.extend(ctor, mixins[i].prototype);
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}
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ctor.prototype.initializer = null;
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ctor.prototype.declaredClass = className;
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if (dojo.lang.isArray(props)) {
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dojo.lang.extend.apply(dojo.lang, [ctor].concat(props));
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} else {
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dojo.lang.extend(ctor, (props) || {});
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}
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dojo.lang.extend(ctor, dojo.lang.declare._common);
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ctor.prototype.constructor = ctor;
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ctor.prototype.initializer = (ctor.prototype.initializer) || (init) || (function () {
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});
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var created = dojo.parseObjPath(className, null, true);
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created.obj[created.prop] = ctor;
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return ctor;
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};
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dojo.lang.declare._makeConstructor = function () {
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return function () {
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var self = this._getPropContext();
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var s = self.constructor.superclass;
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if ((s) && (s.constructor)) {
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if (s.constructor == arguments.callee) {
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this._inherited("constructor", arguments);
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} else {
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this._contextMethod(s, "constructor", arguments);
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}
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}
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var ms = (self.constructor.mixins) || ([]);
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for (var i = 0, m; (m = ms[i]); i++) {
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(((m.prototype) && (m.prototype.initializer)) || (m)).apply(this, arguments);
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}
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if ((!this.prototyping) && (self.initializer)) {
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self.initializer.apply(this, arguments);
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}
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};
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};
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dojo.lang.declare._common = {_getPropContext:function () {
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return (this.___proto || this);
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}, _contextMethod:function (ptype, method, args) {
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var result, stack = this.___proto;
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this.___proto = ptype;
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try {
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result = ptype[method].apply(this, (args || []));
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}
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catch (e) {
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throw e;
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}
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finally {
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this.___proto = stack;
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}
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return result;
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}, _inherited:function (prop, args) {
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var p = this._getPropContext();
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do {
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if ((!p.constructor) || (!p.constructor.superclass)) {
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return;
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}
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p = p.constructor.superclass;
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} while (!(prop in p));
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return (dojo.lang.isFunction(p[prop]) ? this._contextMethod(p, prop, args) : p[prop]);
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}, inherited:function (prop, args) {
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dojo.deprecated("'inherited' method is dangerous, do not up-call! 'inherited' is slated for removal in 0.5; name your super class (or use superclass property) instead.", "0.5");
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this._inherited(prop, args);
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}};
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dojo.declare = dojo.lang.declare;
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