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director.0.2.js
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director.0.2.js
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/**
* Director pattern
* @desc
* for Big Web Applications Development
* @author: github.com/hongru
* @licence: MIT
*/
;(function (win, undefined) {
var f = 'function',
fnTest = /xyz/.test(function() {
xyz
}) ? /\bsupr\b/: /.*/,
proto = 'prototype';
function Class(o) {
return extend.call(isFn(o) ? o: function() {},
o, 1);
}
function isFn(o) {
return typeof o === f;
}
function wrap(k, fn, supr) {
return function() {
var tmp = this.supr;
this.supr = supr[proto][k];
var ret = fn.apply(this, arguments);
this.supr = tmp;
return ret;
}
}
function process(what, o, supr) {
for (var k in o) {
if (o.hasOwnProperty(k)) {
what[k] = isFn(o[k]) && isFn(supr[proto][k]) && fnTest.test(o[k]) ? wrap(k, o[k], supr) : o[k];
}
}
}
function extend(o, fromSub) {
// must redefine noop each time so it doesn't inherit from previous arbitrary classes
function noop() {}
noop[proto] = this[proto];
var supr = this,
prototype = new noop(),
isFunction = isFn(o),
_constructor = isFunction ? o: this,
_methods = isFunction ? {}: o;
function fn() {
if (this.initialize) this.initialize.apply(this, arguments);
else {
fromSub || isFunction && supr.apply(this, arguments);
_constructor.apply(this, arguments);
}
}
fn.methods = function(o) {
process(prototype, o, supr);
fn[proto] = prototype;
return this;
}
fn.methods.call(fn, _methods).prototype.constructor = fn;
fn.extend = arguments.callee;
fn[proto].implement = fn.statics = function(o, optFn) {
o = typeof o == 'string' ? (function() {
var obj = {};
obj[o] = optFn;
return obj;
} ()) : o;
process(this, o, supr);
return this;
}
return fn;
};
// mix object
function mix (target, source, isOverwrite) {
if (isOverwrite == undefined) isOverwrite = true;
for (var k in source) {
if (!(k in target) || isOverwrite) {
target[k] = source[k];
}
}
return target;
}
/**
* Base Class
*/
var toString = Object.prototype.toString;
var Person = Class(function (name) {
this.name = name;
}).methods({
$define: function (ns, fn) {
var me = this;
if (fn) {
if (typeof ns == 'string') {
this[ns] = toString.call(this[ns]) == '[object Object]' ? this[ns] : {};
me = this[ns];
}
} else {
fn = ns;
}
if (typeof fn == 'function') {
fn.call(me);
} else if (typeof fn == 'object') {
mix(me, fn);
}
}
});
// Actor begin
var _Actor = Person.extend(function (name, director) {
this.$director = director;
this.$director.$actors[name] = this;
}).methods({
$focus: function (type, fn) {
if (!this.$director._observers[this.name]) { this.$director._observers[this.name] = {}; }
if (!this.$director._observers[this.name][type]) { this.$director._observers[this.name][type] = []; }
this.$director._observers[this.name][type].push(fn);
}
});
// Director begin
var _directors = {};
var _Director = Person.extend(function (name) {
this.$actors = {};
this._observers = {};
_directors[name] = this;
}).methods({
// director wake -->
// dispatch $wake of all actors -->
// act begin
$wake: function () {
this.$prepare && this.$prepare();
for (var k in this.$actors) {
this.$actors[k].$wake && this.$actors[k].$wake();
}
this.$act && this.$act();
},
$actor: function (name) {
return this.$actors[name] || new _Actor(name, this);
},
$notify: function (type, msg) {
for (var a in this._observers) {
if (this._observers[a][type] && this._observers[a][type].length) {
for (var i = 0; i < this._observers[a][type].length; i ++) {
this._observers[a][type][i].apply(null, Array.prototype.slice.call(arguments, 1));
}
}
}
}
});
var Director = function (name) {
return _directors[name] || new _Director(name);
}
this.Director = win.Director = Director;
})(window);