X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/6746dc89c47ed01b165cc1152533605f97eb8e8d..refs/heads/master:/docs/source/Base3.html?ds=sidebyside diff --git a/docs/source/Base3.html b/docs/source/Base3.html index 245f40e7..7c55ec8c 100644 --- a/docs/source/Base3.html +++ b/docs/source/Base3.html @@ -3,8 +3,8 @@ The source code - - + + @@ -20,9 +20,10 @@ * @docauthor Jacky Nguyen <jacky@sencha.com> * @class Ext.Base * - * The root of all classes created with {@link Ext#define} - * All prototype and static members of this class are inherited by any other class + * The root of all classes created with {@link Ext#define}. * + * Ext.Base is the building block of all Ext classes. All classes in Ext inherit from Ext.Base. + * All prototype and static members of this class are inherited by all other classes. */ (function(flexSetter) { @@ -67,7 +68,7 @@ var Base = Ext.Base = function() {}; * var clone = snowLeopard.clone(); * alert(Ext.getClassName(clone)); // alerts 'My.SnowLeopard' * - * @type Class + * @type Ext.Class * @protected */ self: Base, @@ -77,6 +78,7 @@ var Base = Ext.Base = function() {}; return this; }, + //<feature classSystem.config> /** * Initialize configuration for this class. a typical example: * @@ -137,6 +139,7 @@ var Base = Ext.Base = function() {}; return this; }), + //</feature> /** * Call the parent's overridden method. For example: @@ -175,7 +178,7 @@ var Base = Ext.Base = function() {}; * @protected * @param {Array/Arguments} args The arguments, either an array or the `arguments` object * from the current method, for example: `this.callParent(arguments)` - * @return {Mixed} Returns the result from the superclass' method + * @return {Object} Returns the result from the superclass' method */ callParent: function(args) { var method = this.callParent.caller, @@ -223,25 +226,25 @@ var Base = Ext.Base = function() {}; * totalCreated: 0, * speciesName: 'Cat' // My.Cat.speciesName = 'Cat' * }, - * + * * constructor: function() { * var statics = this.statics(); - * + * * alert(statics.speciesName); // always equals to 'Cat' no matter what 'this' refers to * // equivalent to: My.Cat.speciesName - * + * * alert(this.self.speciesName); // dependent on 'this' - * + * * statics.totalCreated++; - * + * * return this; * }, - * + * * clone: function() { * var cloned = new this.self; // dependent on 'this' - * + * * cloned.groupName = this.statics().speciesName; // equivalent to: My.Cat.speciesName - * + * * return cloned; * } * }); @@ -249,11 +252,11 @@ var Base = Ext.Base = function() {}; * * Ext.define('My.SnowLeopard', { * extend: 'My.Cat', - * + * * statics: { * speciesName: 'Snow Leopard' // My.SnowLeopard.speciesName = 'Snow Leopard' * }, - * + * * constructor: function() { * this.callParent(); * } @@ -270,7 +273,7 @@ var Base = Ext.Base = function() {}; * alert(My.Cat.totalCreated); // alerts 3 * * @protected - * @return {Class} + * @return {Ext.Class} */ statics: function() { var method = this.statics.caller, @@ -289,7 +292,7 @@ var Base = Ext.Base = function() {}; * Ext.define('My.Cat', { * constructor: function() { * alert("I'm a cat!"); - * + * * return this; * } * }); @@ -297,11 +300,11 @@ var Base = Ext.Base = function() {}; * My.Cat.override({ * constructor: function() { * alert("I'm going to be a cat!"); - * + * * var instance = this.callOverridden(); - * + * * alert("Meeeeoooowwww"); - * + * * return instance; * } * }); @@ -311,7 +314,8 @@ var Base = Ext.Base = function() {}; * // alerts "Meeeeoooowwww" * * @param {Array/Arguments} args The arguments, either an array or the `arguments` object - * @return {Mixed} Returns the result after calling the overridden method + * @return {Object} Returns the result after calling the overridden method + * @protected */ callOverridden: function(args) { var method = this.callOverridden.caller; @@ -343,13 +347,13 @@ var Base = Ext.Base = function() {}; // These static properties will be copied to every newly created class with {@link Ext#define} Ext.apply(Ext.Base, { - /** + /** * Create a new instance of this Class. * * Ext.define('My.cool.Class', { * ... * }); - * + * * My.cool.Class.create({ * someConfig: true * }); @@ -358,30 +362,33 @@ var Base = Ext.Base = function() {}; * * @return {Object} the created instance. * @static + * @inheritable */ create: function() { return Ext.create.apply(Ext, [this].concat(Array.prototype.slice.call(arguments, 0))); }, - /** + /** * @private + * @inheritable */ - own: flexSetter(function(name, value) { - if (typeof value === 'function') { + own: function(name, value) { + if (typeof value == 'function') { this.ownMethod(name, value); } else { this.prototype[name] = value; } - }), + }, /** * @private + * @inheritable */ ownMethod: function(name, fn) { var originalFn; - if (fn.$owner !== undefined && fn !== Ext.emptyFn) { + if (typeof fn.$owner !== 'undefined' && fn !== Ext.emptyFn) { originalFn = fn; fn = function() { @@ -402,7 +409,7 @@ var Base = Ext.Base = function() {}; this.prototype[name] = fn; }, - /** + /** * Add / override static properties of this class. * * Ext.define('My.cool.Class', { @@ -418,6 +425,7 @@ var Base = Ext.Base = function() {}; * @param {Object} members * @return {Ext.Base} this * @static + * @inheritable */ addStatics: function(members) { for (var name in members) { @@ -429,7 +437,49 @@ var Base = Ext.Base = function() {}; return this; }, - /** + /** + * @private + * @param {Object} members + */ + addInheritableStatics: function(members) { + var inheritableStatics, + hasInheritableStatics, + prototype = this.prototype, + name, member; + + inheritableStatics = prototype.$inheritableStatics; + hasInheritableStatics = prototype.$hasInheritableStatics; + + if (!inheritableStatics) { + inheritableStatics = prototype.$inheritableStatics = []; + hasInheritableStatics = prototype.$hasInheritableStatics = {}; + } + + //<debug> + var className = Ext.getClassName(this); + //</debug> + + for (name in members) { + if (members.hasOwnProperty(name)) { + member = members[name]; + //<debug> + if (typeof member == 'function') { + member.displayName = className + '.' + name; + } + //</debug> + this[name] = member; + + if (!hasInheritableStatics[name]) { + hasInheritableStatics[name] = true; + inheritableStatics.push(name); + } + } + } + + return this; + }, + + /** * Add methods / properties to the prototype of this class. * * Ext.define('My.awesome.Cat', { @@ -449,10 +499,12 @@ var Base = Ext.Base = function() {}; * * @param {Object} members * @static + * @inheritable */ implement: function(members) { var prototype = this.prototype, - name, i, member, previous; + enumerables = Ext.enumerables, + name, i, member; //<debug> var className = Ext.getClassName(this); //</debug> @@ -474,9 +526,7 @@ var Base = Ext.Base = function() {}; } } - if (Ext.enumerables) { - var enumerables = Ext.enumerables; - + if (enumerables) { for (i = enumerables.length; i--;) { name = enumerables[i]; @@ -490,7 +540,7 @@ var Base = Ext.Base = function() {}; } }, - /** + /** * Borrow another class' members to the prototype of this class. * * Ext.define('Bank', { @@ -512,10 +562,10 @@ var Base = Ext.Base = function() {}; * steve.printMoney(); // alerts '$$$$$$$' * * @param {Ext.Base} fromClass The class to borrow members from - * @param {Array/String} members The names of the members to borrow + * @param {String/String[]} members The names of the members to borrow * @return {Ext.Base} this * @static - * @private + * @inheritable */ borrow: function(fromClass, members) { var fromPrototype = fromClass.prototype, @@ -532,7 +582,7 @@ var Base = Ext.Base = function() {}; return this; }, - /** + /** * Override prototype members of this class. Overridden methods can be invoked via * {@link Ext.Base#callOverridden} * @@ -563,11 +613,32 @@ var Base = Ext.Base = function() {}; * @param {Object} members * @return {Ext.Base} this * @static + * @inheritable */ override: function(members) { var prototype = this.prototype, + enumerables = Ext.enumerables, name, i, member, previous; + if (arguments.length === 2) { + name = members; + member = arguments[1]; + + if (typeof member == 'function') { + if (typeof prototype[name] == 'function') { + previous = prototype[name]; + member.$previous = previous; + } + + this.ownMethod(name, member); + } + else { + prototype[name] = member; + } + + return this; + } + for (name in members) { if (members.hasOwnProperty(name)) { member = members[name]; @@ -586,14 +657,12 @@ var Base = Ext.Base = function() {}; } } - if (Ext.enumerables) { - var enumerables = Ext.enumerables; - + if (enumerables) { for (i = enumerables.length; i--;) { name = enumerables[i]; if (members.hasOwnProperty(name)) { - if (prototype[name] !== undefined) { + if (typeof prototype[name] !== 'undefined') { previous = prototype[name]; members[name].$previous = previous; } @@ -606,46 +675,60 @@ var Base = Ext.Base = function() {}; return this; }, - /** + //<feature classSystem.mixins> + /** * Used internally by the mixins pre-processor * @private + * @inheritable */ - mixin: flexSetter(function(name, cls) { + mixin: function(name, cls) { var mixin = cls.prototype, my = this.prototype, - i, fn; + key, fn; - for (i in mixin) { - if (mixin.hasOwnProperty(i)) { - if (my[i] === undefined) { - if (typeof mixin[i] === 'function') { - fn = mixin[i]; + for (key in mixin) { + if (mixin.hasOwnProperty(key)) { + if (typeof my[key] === 'undefined' && key !== 'mixins' && key !== 'mixinId') { + if (typeof mixin[key] === 'function') { + fn = mixin[key]; - if (fn.$owner === undefined) { - this.ownMethod(i, fn); + if (typeof fn.$owner === 'undefined') { + this.ownMethod(key, fn); } else { - my[i] = fn; + my[key] = fn; } } else { - my[i] = mixin[i]; + my[key] = mixin[key]; } } - else if (i === 'config' && my.config && mixin.config) { + //<feature classSystem.config> + else if (key === 'config' && my.config && mixin.config) { Ext.Object.merge(my.config, mixin.config); } + //</feature> } } - if (my.mixins === undefined) { - my.mixins = {}; + if (typeof mixin.onClassMixedIn !== 'undefined') { + mixin.onClassMixedIn.call(cls, this); + } + + if (!my.hasOwnProperty('mixins')) { + if ('mixins' in my) { + my.mixins = Ext.Object.merge({}, my.mixins); + } + else { + my.mixins = {}; + } } my.mixins[name] = mixin; - }), + }, + //</feature> - /** + /** * Get the current class' name in string format. * * Ext.define('My.cool.Class', { @@ -657,12 +740,14 @@ var Base = Ext.Base = function() {}; * My.cool.Class.getName(); // 'My.cool.Class' * * @return {String} className + * @static + * @inheritable */ getName: function() { return Ext.getClassName(this); }, - /** + /** * Create aliases for existing prototype methods. Example: * * Ext.define('My.cool.Class', { @@ -687,10 +772,13 @@ var Base = Ext.Base = function() {}; * {@link Ext.Function#flexSetter flexSetter} * @param {String/Object} origin The original method name * @static + * @inheritable * @method */ createAlias: flexSetter(function(alias, origin) { - this.prototype[alias] = this.prototype[origin]; + this.prototype[alias] = function() { + return this[origin].apply(this, arguments); + } }) });