5718 lines
220 KiB
JavaScript
5718 lines
220 KiB
JavaScript
/*==================================================
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Copyright (c) 2013-2015 司徒正美 and other contributors
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http://www.cnblogs.com/rubylouvre/
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https://github.com/RubyLouvre
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http://weibo.com/jslouvre/
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Released under the MIT license
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avalon.js 1.44 built in 2015.6.25
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support IE6+ and other browsers
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==================================================*/
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(function(global, factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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// For CommonJS and CommonJS-like environments where a proper `window`
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// is present, execute the factory and get avalon.
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// For environments that do not have a `window` with a `document`
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// (such as Node.js), expose a factory as module.exports.
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// This accentuates the need for the creation of a real `window`.
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// e.g. var avalon = require("avalon")(window);
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module.exports = global.document ? factory(global, true) : function(w) {
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if (!w.document) {
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throw new Error("Avalon requires a window with a document")
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}
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return factory(w)
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}
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} else {
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factory(global)
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}
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// Pass this if window is not defined yet
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}(typeof window !== "undefined" ? window : this, function(window, noGlobal){
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/*********************************************************************
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* 全局变量及方法 *
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**********************************************************************/
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var expose = new Date() - 0
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//http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
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var DOC = window.document
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var head = DOC.getElementsByTagName("head")[0] //HEAD元素
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var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG
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ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>"
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ifGroup.setAttribute("ms-skip", "1")
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ifGroup.className = "avalonHide"
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var rnative = /\[native code\]/ //判定是否原生函数
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function log() {
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if (window.console && avalon.config.debug) {
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// http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
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Function.apply.call(console.log, console, arguments)
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}
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}
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var subscribers = "$" + expose
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var otherRequire = window.require
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var otherDefine = window.define
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var innerRequire
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var stopRepeatAssign = false
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var rword = /[^, ]+/g //切割字符串为一个个小块，以空格或豆号分开它们，结合replace实现字符串的forEach
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var rcomplexType = /^(?:object|array)$/
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var rsvg = /^\[object SVG\w*Element\]$/
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var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/
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var oproto = Object.prototype
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var ohasOwn = oproto.hasOwnProperty
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var serialize = oproto.toString
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var ap = Array.prototype
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var aslice = ap.slice
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var Registry = {} //将函数曝光到此对象上，方便访问器收集依赖
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var W3C = window.dispatchEvent
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var root = DOC.documentElement
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var avalonFragment = DOC.createDocumentFragment()
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var cinerator = DOC.createElement("div")
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var class2type = {}
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"Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) {
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class2type["[object " + name + "]"] = name.toLowerCase()
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})
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function noop() {
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}
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function oneObject(array, val) {
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if (typeof array === "string") {
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array = array.match(rword) || []
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}
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var result = {},
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value = val !== void 0 ? val : 1
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for (var i = 0, n = array.length; i < n; i++) {
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result[array[i]] = value
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}
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return result
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}
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//生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
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var generateID = function (prefix) {
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prefix = prefix || "avalon"
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return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix)
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}
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||
function IE() {
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||
if (window.VBArray) {
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||
var mode = document.documentMode
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return mode ? mode : window.XMLHttpRequest ? 7 : 6
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} else {
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return 0
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}
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}
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var IEVersion = IE()
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avalon = function (el) { //创建jQuery式的无new 实例化结构
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return new avalon.init(el)
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}
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avalon.profile = function () {
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if (window.console && avalon.config.profile) {
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Function.apply.call(console.log, console, arguments)
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}
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}
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/*视浏览器情况采用最快的异步回调*/
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avalon.nextTick = new function () {// jshint ignore:line
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var tickImmediate = window.setImmediate
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var tickObserver = window.MutationObserver
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var tickPost = W3C && window.postMessage
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||
if (tickImmediate) {
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||
return tickImmediate.bind(window)
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}
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||
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var queue = []
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||
function callback() {
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var n = queue.length
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for (var i = 0; i < n; i++) {
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queue[i]()
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}
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queue = queue.slice(n)
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}
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if (tickObserver) {
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var node = document.createTextNode("avalon")
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new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line
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return function (fn) {
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queue.push(fn)
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node.data = Math.random()
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}
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}
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if (tickPost) {
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window.addEventListener("message", function (e) {
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var source = e.source
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||
if ((source === window || source === null) && e.data === "process-tick") {
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||
e.stopPropagation()
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||
callback()
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}
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})
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return function (fn) {
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queue.push(fn)
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window.postMessage('process-tick', '*')
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}
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}
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return function (fn) {
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setTimeout(fn, 0)
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}
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}// jshint ignore:line
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/*********************************************************************
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* avalon的静态方法定义区 *
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**********************************************************************/
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avalon.init = function(el) {
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this[0] = this.element = el
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}
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avalon.fn = avalon.prototype = avalon.init.prototype
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avalon.type = function(obj) { //取得目标的类型
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if (obj == null) {
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return String(obj)
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}
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// 早期的webkit内核浏览器实现了已废弃的ecma262v4标准，可以将正则字面量当作函数使用，因此typeof在判定正则时会返回function
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return typeof obj === "object" || typeof obj === "function" ?
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class2type[serialize.call(obj)] || "object" :
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typeof obj
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}
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var isFunction = typeof alert === "object" ? function(fn) {
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try {
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||
return /^\s*\bfunction\b/.test(fn + "")
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} catch (e) {
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return false
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}
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} : function(fn) {
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return serialize.call(fn) === "[object Function]"
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}
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avalon.isFunction = isFunction
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avalon.isWindow = function(obj) {
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if (!obj)
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return false
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// 利用IE678 window == document为true,document == window竟然为false的神奇特性
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||
// 标准浏览器及IE9，IE10等使用 正则检测
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||
return obj == obj.document && obj.document != obj //jshint ignore:line
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||
}
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function isWindow(obj) {
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||
return rwindow.test(serialize.call(obj))
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}
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if (isWindow(window)) {
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avalon.isWindow = isWindow
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}
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var enu
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for (enu in avalon({})) {
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break
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}
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var enumerateBUG = enu !== "0" //IE6下为true, 其他为false
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/*判定是否是一个朴素的javascript对象（Object），不是DOM对象，不是BOM对象，不是自定义类的实例*/
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avalon.isPlainObject = function(obj, key) {
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if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) {
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return false;
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}
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try { //IE内置对象没有constructor
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if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
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return false;
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}
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} catch (e) { //IE8 9会在这里抛错
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return false;
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}
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if (enumerateBUG) {
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for (key in obj) {
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return ohasOwn.call(obj, key)
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}
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}
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for (key in obj) {
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||
}
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return key === void 0 || ohasOwn.call(obj, key)
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||
}
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if (rnative.test(Object.getPrototypeOf)) {
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avalon.isPlainObject = function(obj) {
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// 简单的 typeof obj === "object"检测，会致使用isPlainObject(window)在opera下通不过
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||
return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto
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||
}
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||
}
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//与jQuery.extend方法，可用于浅拷贝，深拷贝
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avalon.mix = avalon.fn.mix = function() {
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var options, name, src, copy, copyIsArray, clone,
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||
target = arguments[0] || {},
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i = 1,
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length = arguments.length,
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deep = false
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||
// 如果第一个参数为布尔,判定是否深拷贝
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||
if (typeof target === "boolean") {
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deep = target
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||
target = arguments[1] || {}
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||
i++
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}
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//确保接受方为一个复杂的数据类型
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||
if (typeof target !== "object" && !isFunction(target)) {
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||
target = {}
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||
}
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||
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||
//如果只有一个参数，那么新成员添加于mix所在的对象上
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||
if (i === length) {
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||
target = this
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||
i--
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}
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||
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||
for (; i < length; i++) {
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||
//只处理非空参数
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||
if ((options = arguments[i]) != null) {
|
||
for (name in options) {
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||
src = target[name]
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||
try {
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copy = options[name] //当options为VBS对象时报错
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||
} catch (e) {
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||
continue
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||
}
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||
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||
// 防止环引用
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||
if (target === copy) {
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||
continue
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||
}
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||
if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
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||
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||
if (copyIsArray) {
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copyIsArray = false
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clone = src && Array.isArray(src) ? src : []
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||
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||
} else {
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||
clone = src && avalon.isPlainObject(src) ? src : {}
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||
}
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||
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||
target[name] = avalon.mix(deep, clone, copy)
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||
} else if (copy !== void 0) {
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||
target[name] = copy
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||
}
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||
}
|
||
}
|
||
}
|
||
return target
|
||
}
|
||
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||
function _number(a, len) { //用于模拟slice, splice的效果
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||
a = Math.floor(a) || 0
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||
return a < 0 ? Math.max(len + a, 0) : Math.min(a, len);
|
||
}
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||
avalon.mix({
|
||
rword: rword,
|
||
subscribers: subscribers,
|
||
version: 1.44,
|
||
ui: {},
|
||
log: log,
|
||
slice: W3C ? function(nodes, start, end) {
|
||
return aslice.call(nodes, start, end)
|
||
} : function(nodes, start, end) {
|
||
var ret = []
|
||
var len = nodes.length
|
||
if (end === void 0)
|
||
end = len
|
||
if (typeof end === "number" && isFinite(end)) {
|
||
start = _number(start, len)
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||
end = _number(end, len)
|
||
for (var i = start; i < end; ++i) {
|
||
ret[i - start] = nodes[i]
|
||
}
|
||
}
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||
return ret
|
||
},
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||
noop: noop,
|
||
/*如果不用Error对象封装一下，str在控制台下可能会乱码*/
|
||
error: function(str, e) {
|
||
throw (e || Error)(str)
|
||
},
|
||
/*将一个以空格或逗号隔开的字符串或数组,转换成一个键值都为1的对象*/
|
||
oneObject: oneObject,
|
||
/* avalon.range(10)
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||
=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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||
avalon.range(1, 11)
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||
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
|
||
avalon.range(0, 30, 5)
|
||
=> [0, 5, 10, 15, 20, 25]
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||
avalon.range(0, -10, -1)
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||
=> [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
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||
avalon.range(0)
|
||
=> []*/
|
||
range: function(start, end, step) { // 用于生成整数数组
|
||
step || (step = 1)
|
||
if (end == null) {
|
||
end = start || 0
|
||
start = 0
|
||
}
|
||
var index = -1,
|
||
length = Math.max(0, Math.ceil((end - start) / step)),
|
||
result = new Array(length)
|
||
while (++index < length) {
|
||
result[index] = start
|
||
start += step
|
||
}
|
||
return result
|
||
},
|
||
eventHooks: {},
|
||
/*绑定事件*/
|
||
bind: function(el, type, fn, phase) {
|
||
var hooks = avalon.eventHooks
|
||
var hook = hooks[type]
|
||
if (typeof hook === "object") {
|
||
type = hook.type
|
||
if (hook.deel) {
|
||
fn = hook.deel(el, type, fn, phase)
|
||
}
|
||
}
|
||
var callback = W3C ? fn : function(e) {
|
||
fn.call(el, fixEvent(e));
|
||
}
|
||
if (W3C) {
|
||
el.addEventListener(type, callback, !!phase)
|
||
} else {
|
||
el.attachEvent("on" + type, callback)
|
||
}
|
||
return callback
|
||
},
|
||
/*卸载事件*/
|
||
unbind: function(el, type, fn, phase) {
|
||
var hooks = avalon.eventHooks
|
||
var hook = hooks[type]
|
||
var callback = fn || noop
|
||
if (typeof hook === "object") {
|
||
type = hook.type
|
||
if (hook.deel) {
|
||
fn = hook.deel(el, type, fn, false)
|
||
}
|
||
}
|
||
if (W3C) {
|
||
el.removeEventListener(type, callback, !!phase)
|
||
} else {
|
||
el.detachEvent("on" + type, callback)
|
||
}
|
||
},
|
||
/*读写删除元素节点的样式*/
|
||
css: function(node, name, value) {
|
||
if (node instanceof avalon) {
|
||
node = node[0]
|
||
}
|
||
var prop = /[_-]/.test(name) ? camelize(name) : name, fn
|
||
name = avalon.cssName(prop) || prop
|
||
if (value === void 0 || typeof value === "boolean") { //获取样式
|
||
fn = cssHooks[prop + ":get"] || cssHooks["@:get"]
|
||
if (name === "background") {
|
||
name = "backgroundColor"
|
||
}
|
||
var val = fn(node, name)
|
||
return value === true ? parseFloat(val) || 0 : val
|
||
} else if (value === "") { //请除样式
|
||
node.style[name] = ""
|
||
} else { //设置样式
|
||
if (value == null || value !== value) {
|
||
return
|
||
}
|
||
if (isFinite(value) && !avalon.cssNumber[prop]) {
|
||
value += "px"
|
||
}
|
||
fn = cssHooks[prop + ":set"] || cssHooks["@:set"]
|
||
fn(node, name, value)
|
||
}
|
||
},
|
||
/*遍历数组与对象,回调的第一个参数为索引或键名,第二个或元素或键值*/
|
||
each: function(obj, fn) {
|
||
if (obj) { //排除null, undefined
|
||
var i = 0
|
||
if (isArrayLike(obj)) {
|
||
for (var n = obj.length; i < n; i++) {
|
||
if (fn(i, obj[i]) === false)
|
||
break
|
||
}
|
||
} else {
|
||
for (i in obj) {
|
||
if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
|
||
break
|
||
}
|
||
}
|
||
}
|
||
}
|
||
},
|
||
//收集元素的data-{{prefix}}-*属性，并转换为对象
|
||
getWidgetData: function(elem, prefix) {
|
||
var raw = avalon(elem).data()
|
||
var result = {}
|
||
for (var i in raw) {
|
||
if (i.indexOf(prefix) === 0) {
|
||
result[i.replace(prefix, "").replace(/\w/, function(a) {
|
||
return a.toLowerCase()
|
||
})] = raw[i]
|
||
}
|
||
}
|
||
return result
|
||
},
|
||
Array: {
|
||
/*只有当前数组不存在此元素时只添加它*/
|
||
ensure: function(target, item) {
|
||
if (target.indexOf(item) === -1) {
|
||
return target.push(item)
|
||
}
|
||
},
|
||
/*移除数组中指定位置的元素，返回布尔表示成功与否*/
|
||
removeAt: function(target, index) {
|
||
return !!target.splice(index, 1).length
|
||
},
|
||
/*移除数组中第一个匹配传参的那个元素，返回布尔表示成功与否*/
|
||
remove: function(target, item) {
|
||
var index = target.indexOf(item)
|
||
if (~index)
|
||
return avalon.Array.removeAt(target, index)
|
||
return false
|
||
}
|
||
}
|
||
})
|
||
|
||
var bindingHandlers = avalon.bindingHandlers = {}
|
||
var bindingExecutors = avalon.bindingExecutors = {}
|
||
|
||
/*判定是否类数组，如节点集合，纯数组，arguments与拥有非负整数的length属性的纯JS对象*/
|
||
function isArrayLike(obj) {
|
||
if (!obj)
|
||
return false
|
||
var n = obj.length
|
||
if (n === (n >>> 0)) { //检测length属性是否为非负整数
|
||
var type = serialize.call(obj).slice(8, -1)
|
||
if (/(?:regexp|string|function|window|global)$/i.test(type))
|
||
return false
|
||
if (type === "Array")
|
||
return true
|
||
try {
|
||
if ({}.propertyIsEnumerable.call(obj, "length") === false) { //如果是原生对象
|
||
return /^\s?function/.test(obj.item || obj.callee)
|
||
}
|
||
return true
|
||
} catch (e) { //IE的NodeList直接抛错
|
||
return !obj.window //IE6-8 window
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
|
||
// https://github.com/rsms/js-lru
|
||
var Cache = new function() {// jshint ignore:line
|
||
function LRU(maxLength) {
|
||
this.size = 0
|
||
this.limit = maxLength
|
||
this.head = this.tail = void 0
|
||
this._keymap = {}
|
||
}
|
||
|
||
var p = LRU.prototype
|
||
|
||
p.put = function(key, value) {
|
||
var entry = {
|
||
key: key,
|
||
value: value
|
||
}
|
||
this._keymap[key] = entry
|
||
if (this.tail) {
|
||
this.tail.newer = entry
|
||
entry.older = this.tail
|
||
} else {
|
||
this.head = entry
|
||
}
|
||
this.tail = entry
|
||
if (this.size === this.limit) {
|
||
this.shift()
|
||
} else {
|
||
this.size++
|
||
}
|
||
return value
|
||
}
|
||
|
||
p.shift = function() {
|
||
var entry = this.head
|
||
if (entry) {
|
||
this.head = this.head.newer
|
||
this.head.older =
|
||
entry.newer =
|
||
entry.older =
|
||
this._keymap[entry.key] = void 0
|
||
}
|
||
}
|
||
p.get = function(key) {
|
||
var entry = this._keymap[key]
|
||
if (entry === void 0)
|
||
return
|
||
if (entry === this.tail) {
|
||
return entry.value
|
||
}
|
||
// HEAD--------------TAIL
|
||
// <.older .newer>
|
||
// <--- add direction --
|
||
// A B C <D> E
|
||
if (entry.newer) {
|
||
if (entry === this.head) {
|
||
this.head = entry.newer
|
||
}
|
||
entry.newer.older = entry.older // C <-- E.
|
||
}
|
||
if (entry.older) {
|
||
entry.older.newer = entry.newer // C. --> E
|
||
}
|
||
entry.newer = void 0 // D --x
|
||
entry.older = this.tail // D. --> E
|
||
if (this.tail) {
|
||
this.tail.newer = entry // E. <-- D
|
||
}
|
||
this.tail = entry
|
||
return entry.value
|
||
}
|
||
return LRU
|
||
}// jshint ignore:line
|
||
|
||
/*********************************************************************
|
||
* javascript 底层补丁 *
|
||
**********************************************************************/
|
||
if (!"司徒正美".trim) {
|
||
var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g
|
||
String.prototype.trim = function () {
|
||
return this.replace(rtrim, "")
|
||
}
|
||
}
|
||
var hasDontEnumBug = !({
|
||
'toString': null
|
||
}).propertyIsEnumerable('toString'),
|
||
hasProtoEnumBug = (function () {
|
||
}).propertyIsEnumerable('prototype'),
|
||
dontEnums = [
|
||
"toString",
|
||
"toLocaleString",
|
||
"valueOf",
|
||
"hasOwnProperty",
|
||
"isPrototypeOf",
|
||
"propertyIsEnumerable",
|
||
"constructor"
|
||
],
|
||
dontEnumsLength = dontEnums.length;
|
||
if (!Object.keys) {
|
||
Object.keys = function (object) { //ecma262v5 15.2.3.14
|
||
var theKeys = []
|
||
var skipProto = hasProtoEnumBug && typeof object === "function"
|
||
if (typeof object === "string" || (object && object.callee)) {
|
||
for (var i = 0; i < object.length; ++i) {
|
||
theKeys.push(String(i))
|
||
}
|
||
} else {
|
||
for (var name in object) {
|
||
if (!(skipProto && name === "prototype") && ohasOwn.call(object, name)) {
|
||
theKeys.push(String(name))
|
||
}
|
||
}
|
||
}
|
||
|
||
if (hasDontEnumBug) {
|
||
var ctor = object.constructor,
|
||
skipConstructor = ctor && ctor.prototype === object
|
||
for (var j = 0; j < dontEnumsLength; j++) {
|
||
var dontEnum = dontEnums[j]
|
||
if (!(skipConstructor && dontEnum === "constructor") && ohasOwn.call(object, dontEnum)) {
|
||
theKeys.push(dontEnum)
|
||
}
|
||
}
|
||
}
|
||
return theKeys
|
||
}
|
||
}
|
||
if (!Array.isArray) {
|
||
Array.isArray = function (a) {
|
||
return serialize.call(a) === "[object Array]"
|
||
}
|
||
}
|
||
|
||
if (!noop.bind) {
|
||
Function.prototype.bind = function (scope) {
|
||
if (arguments.length < 2 && scope === void 0)
|
||
return this
|
||
var fn = this,
|
||
argv = arguments
|
||
return function () {
|
||
var args = [],
|
||
i
|
||
for (i = 1; i < argv.length; i++)
|
||
args.push(argv[i])
|
||
for (i = 0; i < arguments.length; i++)
|
||
args.push(arguments[i])
|
||
return fn.apply(scope, args)
|
||
}
|
||
}
|
||
}
|
||
|
||
function iterator(vars, body, ret) {
|
||
var fun = 'for(var ' + vars + 'i=0,n = this.length; i < n; i++){' + body.replace('_', '((i in this) && fn.call(scope,this[i],i,this))') + '}' + ret
|
||
/* jshint ignore:start */
|
||
return Function("fn,scope", fun)
|
||
/* jshint ignore:end */
|
||
}
|
||
if (!rnative.test([].map)) {
|
||
avalon.mix(ap, {
|
||
//定位操作，返回数组中第一个等于给定参数的元素的索引值。
|
||
indexOf: function (item, index) {
|
||
var n = this.length,
|
||
i = ~~index
|
||
if (i < 0)
|
||
i += n
|
||
for (; i < n; i++)
|
||
if (this[i] === item)
|
||
return i
|
||
return -1
|
||
},
|
||
//定位操作，同上，不过是从后遍历。
|
||
lastIndexOf: function (item, index) {
|
||
var n = this.length,
|
||
i = index == null ? n - 1 : index
|
||
if (i < 0)
|
||
i = Math.max(0, n + i)
|
||
for (; i >= 0; i--)
|
||
if (this[i] === item)
|
||
return i
|
||
return -1
|
||
},
|
||
//迭代操作，将数组的元素挨个儿传入一个函数中执行。Prototype.js的对应名字为each。
|
||
forEach: iterator("", '_', ""),
|
||
//迭代类 在数组中的每个项上运行一个函数，如果此函数的值为真，则此元素作为新数组的元素收集起来，并返回新数组
|
||
filter: iterator('r=[],j=0,', 'if(_)r[j++]=this[i]', 'return r'),
|
||
//收集操作，将数组的元素挨个儿传入一个函数中执行，然后把它们的返回值组成一个新数组返回。Prototype.js的对应名字为collect。
|
||
map: iterator('r=[],', 'r[i]=_', 'return r'),
|
||
//只要数组中有一个元素满足条件（放进给定函数返回true），那么它就返回true。Prototype.js的对应名字为any。
|
||
some: iterator("", 'if(_)return true', 'return false'),
|
||
//只有数组中的元素都满足条件（放进给定函数返回true），它才返回true。Prototype.js的对应名字为all。
|
||
every: iterator("", 'if(!_)return false', 'return true')
|
||
})
|
||
}
|
||
/*********************************************************************
|
||
* DOM 底层补丁 *
|
||
**********************************************************************/
|
||
|
||
function fixContains(root, el) {
|
||
try { //IE6-8,游离于DOM树外的文本节点，访问parentNode有时会抛错
|
||
while ((el = el.parentNode))
|
||
if (el === root)
|
||
return true
|
||
return false
|
||
} catch (e) {
|
||
return false
|
||
}
|
||
}
|
||
avalon.contains = fixContains
|
||
//IE6-11的文档对象没有contains
|
||
if (!DOC.contains) {
|
||
DOC.contains = function (b) {
|
||
return fixContains(DOC, b)
|
||
}
|
||
}
|
||
|
||
function outerHTML() {
|
||
return new XMLSerializer().serializeToString(this)
|
||
}
|
||
|
||
if (window.SVGElement) {
|
||
//safari5+是把contains方法放在Element.prototype上而不是Node.prototype
|
||
if (!DOC.createTextNode("x").contains) {
|
||
Node.prototype.contains = function (arg) {//IE6-8没有Node对象
|
||
return !!(this.compareDocumentPosition(arg) & 16)
|
||
}
|
||
}
|
||
var svgns = "http://www.w3.org/2000/svg"
|
||
var svg = DOC.createElementNS(svgns, "svg")
|
||
svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
|
||
if (!rsvg.test(svg.firstChild)) { // #409
|
||
function enumerateNode(node, targetNode) {// jshint ignore:line
|
||
if (node && node.childNodes) {
|
||
var nodes = node.childNodes
|
||
for (var i = 0, el; el = nodes[i++]; ) {
|
||
if (el.tagName) {
|
||
var svg = DOC.createElementNS(svgns,
|
||
el.tagName.toLowerCase())
|
||
ap.forEach.call(el.attributes, function (attr) {
|
||
svg.setAttribute(attr.name, attr.value) //复制属性
|
||
})// jshint ignore:line
|
||
// 递归处理子节点
|
||
enumerateNode(el, svg)
|
||
targetNode.appendChild(svg)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
Object.defineProperties(SVGElement.prototype, {
|
||
"outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
|
||
enumerable: true,
|
||
configurable: true,
|
||
get: outerHTML,
|
||
set: function (html) {
|
||
var tagName = this.tagName.toLowerCase(),
|
||
par = this.parentNode,
|
||
frag = avalon.parseHTML(html)
|
||
// 操作的svg，直接插入
|
||
if (tagName === "svg") {
|
||
par.insertBefore(frag, this)
|
||
// svg节点的子节点类似
|
||
} else {
|
||
var newFrag = DOC.createDocumentFragment()
|
||
enumerateNode(frag, newFrag)
|
||
par.insertBefore(newFrag, this)
|
||
}
|
||
par.removeChild(this)
|
||
}
|
||
},
|
||
"innerHTML": {
|
||
enumerable: true,
|
||
configurable: true,
|
||
get: function () {
|
||
var s = this.outerHTML
|
||
var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i")
|
||
var rclose = new RegExp("<\/" + this.nodeName + ">$", "i")
|
||
return s.replace(ropen, "").replace(rclose, "")
|
||
},
|
||
set: function (html) {
|
||
if (avalon.clearHTML) {
|
||
avalon.clearHTML(this)
|
||
var frag = avalon.parseHTML(html)
|
||
enumerateNode(frag, this)
|
||
}
|
||
}
|
||
}
|
||
})
|
||
}
|
||
}
|
||
if (!root.outerHTML && window.HTMLElement) { //firefox 到11时才有outerHTML
|
||
HTMLElement.prototype.__defineGetter__("outerHTML", outerHTML);
|
||
}
|
||
|
||
//============================= event binding =======================
|
||
var rmouseEvent = /^(?:mouse|contextmenu|drag)|click/
|
||
function fixEvent(event) {
|
||
var ret = {}
|
||
for (var i in event) {
|
||
ret[i] = event[i]
|
||
}
|
||
var target = ret.target = event.srcElement
|
||
if (event.type.indexOf("key") === 0) {
|
||
ret.which = event.charCode != null ? event.charCode : event.keyCode
|
||
} else if (rmouseEvent.test(event.type)) {
|
||
var doc = target.ownerDocument || DOC
|
||
var box = doc.compatMode === "BackCompat" ? doc.body : doc.documentElement
|
||
ret.pageX = event.clientX + (box.scrollLeft >> 0) - (box.clientLeft >> 0)
|
||
ret.pageY = event.clientY + (box.scrollTop >> 0) - (box.clientTop >> 0)
|
||
ret.wheelDeltaY = ret.wheelDelta
|
||
ret.wheelDeltaX = 0
|
||
}
|
||
ret.timeStamp = new Date() - 0
|
||
ret.originalEvent = event
|
||
ret.preventDefault = function () { //阻止默认行为
|
||
event.returnValue = false
|
||
}
|
||
ret.stopPropagation = function () { //阻止事件在DOM树中的传播
|
||
event.cancelBubble = true
|
||
}
|
||
return ret
|
||
}
|
||
|
||
var eventHooks = avalon.eventHooks
|
||
//针对firefox, chrome修正mouseenter, mouseleave
|
||
if (!("onmouseenter" in root)) {
|
||
avalon.each({
|
||
mouseenter: "mouseover",
|
||
mouseleave: "mouseout"
|
||
}, function (origType, fixType) {
|
||
eventHooks[origType] = {
|
||
type: fixType,
|
||
deel: function (elem, _, fn) {
|
||
return function (e) {
|
||
var t = e.relatedTarget
|
||
if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) {
|
||
delete e.type
|
||
e.type = origType
|
||
return fn.call(elem, e)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
})
|
||
}
|
||
//针对IE9+, w3c修正animationend
|
||
avalon.each({
|
||
AnimationEvent: "animationend",
|
||
WebKitAnimationEvent: "webkitAnimationEnd"
|
||
}, function (construct, fixType) {
|
||
if (window[construct] && !eventHooks.animationend) {
|
||
eventHooks.animationend = {
|
||
type: fixType
|
||
}
|
||
}
|
||
})
|
||
//针对IE6-8修正input
|
||
if (!("oninput" in DOC.createElement("input"))) {
|
||
eventHooks.input = {
|
||
type: "propertychange",
|
||
deel: function (elem, _, fn) {
|
||
return function (e) {
|
||
if (e.propertyName === "value") {
|
||
e.type = "input"
|
||
return fn.call(elem, e)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (DOC.onmousewheel === void 0) {
|
||
/* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
|
||
firefox DOMMouseScroll detail 下3 上-3
|
||
firefox wheel detlaY 下3 上-3
|
||
IE9-11 wheel deltaY 下40 上-40
|
||
chrome wheel deltaY 下100 上-100 */
|
||
var fixWheelType = DOC.onwheel !== void 0 ? "wheel" : "DOMMouseScroll"
|
||
var fixWheelDelta = fixWheelType === "wheel" ? "deltaY" : "detail"
|
||
eventHooks.mousewheel = {
|
||
type: fixWheelType,
|
||
deel: function (elem, _, fn) {
|
||
return function (e) {
|
||
e.wheelDeltaY = e.wheelDelta = e[fixWheelDelta] > 0 ? -120 : 120
|
||
e.wheelDeltaX = 0
|
||
if (Object.defineProperty) {
|
||
Object.defineProperty(e, "type", {
|
||
value: "mousewheel"
|
||
})
|
||
}
|
||
fn.call(elem, e)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/*********************************************************************
|
||
* 配置系统 *
|
||
**********************************************************************/
|
||
|
||
function kernel(settings) {
|
||
for (var p in settings) {
|
||
if (!ohasOwn.call(settings, p))
|
||
continue
|
||
var val = settings[p]
|
||
if (typeof kernel.plugins[p] === "function") {
|
||
kernel.plugins[p](val)
|
||
} else if (typeof kernel[p] === "object") {
|
||
avalon.mix(kernel[p], val)
|
||
} else {
|
||
kernel[p] = val
|
||
}
|
||
}
|
||
return this
|
||
}
|
||
var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g
|
||
|
||
function escapeRegExp(target) {
|
||
//http://stevenlevithan.com/regex/xregexp/
|
||
//将字符串安全格式化为正则表达式的源码
|
||
return (target + "").replace(rregexp, "\\$&")
|
||
}
|
||
|
||
var plugins = {
|
||
loader: function (builtin) {
|
||
var flag = innerRequire && builtin
|
||
window.require = flag ? innerRequire : otherRequire
|
||
window.define = flag ? innerRequire.define : otherDefine
|
||
},
|
||
interpolate: function (array) {
|
||
openTag = array[0]
|
||
closeTag = array[1]
|
||
if (openTag === closeTag) {
|
||
throw new SyntaxError("openTag!==closeTag")
|
||
} else if (array + "" === "<!--,-->") {
|
||
kernel.commentInterpolate = true
|
||
} else {
|
||
var test = openTag + "test" + closeTag
|
||
cinerator.innerHTML = test
|
||
if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) {
|
||
throw new SyntaxError("此定界符不合法")
|
||
}
|
||
cinerator.innerHTML = ""
|
||
}
|
||
var o = escapeRegExp(openTag),
|
||
c = escapeRegExp(closeTag)
|
||
rexpr = new RegExp(o + "(.*?)" + c)
|
||
rexprg = new RegExp(o + "(.*?)" + c, "g")
|
||
rbind = new RegExp(o + ".*?" + c + "|\\sms-")
|
||
}
|
||
}
|
||
|
||
kernel.debug = true
|
||
kernel.plugins = plugins
|
||
kernel.plugins['interpolate'](["{{", "}}"])
|
||
kernel.paths = {}
|
||
kernel.shim = {}
|
||
kernel.maxRepeatSize = 100
|
||
avalon.config = kernel
|
||
var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/
|
||
var findNodes = DOC.querySelectorAll ? function(str) {
|
||
return DOC.querySelectorAll(str)
|
||
} : function(str) {
|
||
var match = str.match(ravalon)
|
||
var all = DOC.getElementsByTagName(match[1])
|
||
var nodes = []
|
||
for (var i = 0, el; el = all[i++]; ) {
|
||
if (el.getAttribute(match[2]) === match[3]) {
|
||
nodes.push(el)
|
||
}
|
||
}
|
||
return nodes
|
||
}
|
||
/*********************************************************************
|
||
* 事件总线 *
|
||
**********************************************************************/
|
||
var EventBus = {
|
||
$watch: function (type, callback) {
|
||
if (typeof callback === "function") {
|
||
var callbacks = this.$events[type]
|
||
if (callbacks) {
|
||
callbacks.push(callback)
|
||
} else {
|
||
this.$events[type] = [callback]
|
||
}
|
||
} else { //重新开始监听此VM的第一重简单属性的变动
|
||
this.$events = this.$watch.backup
|
||
}
|
||
return this
|
||
},
|
||
$unwatch: function (type, callback) {
|
||
var n = arguments.length
|
||
if (n === 0) { //让此VM的所有$watch回调无效化
|
||
this.$watch.backup = this.$events
|
||
this.$events = {}
|
||
} else if (n === 1) {
|
||
this.$events[type] = []
|
||
} else {
|
||
var callbacks = this.$events[type] || []
|
||
var i = callbacks.length
|
||
while (~--i < 0) {
|
||
if (callbacks[i] === callback) {
|
||
return callbacks.splice(i, 1)
|
||
}
|
||
}
|
||
}
|
||
return this
|
||
},
|
||
$fire: function (type) {
|
||
var special, i, v, callback
|
||
if (/^(\w+)!(\S+)$/.test(type)) {
|
||
special = RegExp.$1
|
||
type = RegExp.$2
|
||
}
|
||
var events = this.$events
|
||
if (!events)
|
||
return
|
||
var args = aslice.call(arguments, 1)
|
||
var detail = [type].concat(args)
|
||
if (special === "all") {
|
||
for (i in avalon.vmodels) {
|
||
v = avalon.vmodels[i]
|
||
if (v !== this) {
|
||
v.$fire.apply(v, detail)
|
||
}
|
||
}
|
||
} else if (special === "up" || special === "down") {
|
||
var elements = events.expr ? findNodes(events.expr) : []
|
||
if (elements.length === 0)
|
||
return
|
||
for (i in avalon.vmodels) {
|
||
v = avalon.vmodels[i]
|
||
if (v !== this) {
|
||
if (v.$events.expr) {
|
||
var eventNodes = findNodes(v.$events.expr)
|
||
if (eventNodes.length === 0) {
|
||
continue
|
||
}
|
||
//循环两个vmodel中的节点，查找匹配（向上匹配或者向下匹配）的节点并设置标识
|
||
/* jshint ignore:start */
|
||
ap.forEach.call(eventNodes, function (node) {
|
||
ap.forEach.call(elements, function (element) {
|
||
var ok = special === "down" ? element.contains(node) : //向下捕获
|
||
node.contains(element) //向上冒泡
|
||
if (ok) {
|
||
node._avalon = v //符合条件的加一个标识
|
||
}
|
||
});
|
||
})
|
||
/* jshint ignore:end */
|
||
}
|
||
}
|
||
}
|
||
var nodes = DOC.getElementsByTagName("*") //实现节点排序
|
||
var alls = []
|
||
ap.forEach.call(nodes, function (el) {
|
||
if (el._avalon) {
|
||
alls.push(el._avalon)
|
||
el._avalon = ""
|
||
el.removeAttribute("_avalon")
|
||
}
|
||
})
|
||
if (special === "up") {
|
||
alls.reverse()
|
||
}
|
||
for (i = 0; callback = alls[i++]; ) {
|
||
if (callback.$fire.apply(callback, detail) === false) {
|
||
break
|
||
}
|
||
}
|
||
} else {
|
||
var callbacks = events[type] || []
|
||
var all = events.$all || []
|
||
for (i = 0; callback = callbacks[i++]; ) {
|
||
if (isFunction(callback))
|
||
callback.apply(this, args)
|
||
}
|
||
for (i = 0; callback = all[i++]; ) {
|
||
if (isFunction(callback))
|
||
callback.apply(this, arguments)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/*********************************************************************
|
||
* modelFactory *
|
||
**********************************************************************/
|
||
//avalon最核心的方法的两个方法之一（另一个是avalon.scan），返回一个ViewModel(VM)
|
||
var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里
|
||
avalon.define = function (id, factory) {
|
||
var $id = id.$id || id
|
||
if (!$id) {
|
||
log("warning: vm必须指定$id")
|
||
}
|
||
if (VMODELS[$id]) {
|
||
log("warning: " + $id + " 已经存在于avalon.vmodels中")
|
||
}
|
||
if (typeof id === "object") {
|
||
var model = modelFactory(id)
|
||
} else {
|
||
var scope = {
|
||
$watch: noop
|
||
}
|
||
factory(scope) //得到所有定义
|
||
|
||
model = modelFactory(scope) //偷天换日，将scope换为model
|
||
stopRepeatAssign = true
|
||
factory(model)
|
||
stopRepeatAssign = false
|
||
}
|
||
model.$id = $id
|
||
return VMODELS[$id] = model
|
||
}
|
||
|
||
//一些不需要被监听的属性
|
||
var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$compute").match(rword)
|
||
var defineProperty = Object.defineProperty
|
||
var canHideOwn = true
|
||
//如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG，比如IE8
|
||
//标准浏览器使用__defineGetter__, __defineSetter__实现
|
||
try {
|
||
defineProperty({}, "_", {
|
||
value: "x"
|
||
})
|
||
var defineProperties = Object.defineProperties
|
||
} catch (e) {
|
||
canHideOwn = false
|
||
}
|
||
|
||
function modelFactory(source, $special, $model) {
|
||
if (Array.isArray(source)) {
|
||
var arr = source.concat()
|
||
source.length = 0
|
||
var collection = arrayFactory(source)
|
||
collection.pushArray(arr)
|
||
return collection
|
||
}
|
||
//0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG)
|
||
if (!source || source.nodeType > 0 || (source.$id && source.$events)) {
|
||
return source
|
||
}
|
||
var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : []
|
||
$skipArray.$special = $special || {} //强制要监听的属性
|
||
var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤
|
||
$model = $model || {} //vmodels.$model属性
|
||
var $events = {} //vmodel.$events属性
|
||
var accessors = {} //监控属性
|
||
var computed = []
|
||
$$skipArray.forEach(function (name) {
|
||
delete source[name]
|
||
})
|
||
|
||
for (var i in source) {
|
||
(function (name, val, accessor) {
|
||
$model[name] = val
|
||
if (!isObservable(name, val, $skipArray)) {
|
||
return //过滤所有非监控属性
|
||
}
|
||
//总共产生三种accessor
|
||
$events[name] = []
|
||
var valueType = avalon.type(val)
|
||
//总共产生三种accessor
|
||
if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) {
|
||
accessor = makeComputedAccessor(name, val)
|
||
computed.push(accessor)
|
||
} else if (rcomplexType.test(valueType)) {
|
||
accessor = makeComplexAccessor(name, val, valueType, $events[name])
|
||
} else {
|
||
accessor = makeSimpleAccessor(name, val)
|
||
}
|
||
accessors[name] = accessor
|
||
})(i, source[i])// jshint ignore:line
|
||
}
|
||
|
||
$vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel
|
||
for (var name in source) {
|
||
if (!accessors[name]) {
|
||
$vmodel[name] = source[name]
|
||
}
|
||
}
|
||
//添加$id, $model, $events, $watch, $unwatch, $fire
|
||
$vmodel.$id = generateID()
|
||
$vmodel.$model = $model
|
||
$vmodel.$events = $events
|
||
for (i in EventBus) {
|
||
var fn = EventBus[i]
|
||
if (!W3C) { //在IE6-8下，VB对象的方法里的this并不指向自身，需要用bind处理一下
|
||
fn = fn.bind($vmodel)
|
||
}
|
||
$vmodel[i] = fn
|
||
}
|
||
if (canHideOwn) {
|
||
Object.defineProperty($vmodel, "hasOwnProperty", {
|
||
value: function (name) {
|
||
return name in this.$model
|
||
},
|
||
writable: false,
|
||
enumerable: false,
|
||
configurable: true
|
||
})
|
||
|
||
} else {
|
||
/* jshint ignore:start */
|
||
$vmodel.hasOwnProperty = function (name) {
|
||
return name in $vmodel.$model
|
||
}
|
||
/* jshint ignore:end */
|
||
}
|
||
|
||
$vmodel.$compute = function () {
|
||
computed.forEach(function (accessor) {
|
||
dependencyDetection.begin({
|
||
callback: function (vm, dependency) {//dependency为一个accessor
|
||
var name = dependency._name
|
||
if (dependency !== accessor) {
|
||
var list = vm.$events[name]
|
||
accessor.vm = $vmodel
|
||
injectDependency(list, accessor.digest)
|
||
}
|
||
}
|
||
})
|
||
try {
|
||
accessor.get.call($vmodel)
|
||
} finally {
|
||
dependencyDetection.end()
|
||
}
|
||
})
|
||
}
|
||
$vmodel.$compute()
|
||
return $vmodel
|
||
}
|
||
//创建一个简单访问器
|
||
function makeSimpleAccessor(name, value) {
|
||
function accessor(value) {
|
||
var oldValue = accessor._value
|
||
if (arguments.length > 0) {
|
||
if (!stopRepeatAssign && !isEqual(value, oldValue)) {
|
||
accessor.updateValue(this, value)
|
||
accessor.notify(this, value, oldValue)
|
||
}
|
||
return this
|
||
} else {
|
||
dependencyDetection.collectDependency(this, accessor)
|
||
return oldValue
|
||
}
|
||
}
|
||
accessorFactory(accessor, name)
|
||
accessor._value = value
|
||
return accessor;
|
||
}
|
||
|
||
//创建一个计算访问器
|
||
function makeComputedAccessor(name, options) {
|
||
options.set = options.set || noop
|
||
function accessor(value) {//计算属性
|
||
var oldValue = accessor._value
|
||
var init = "_value" in accessor
|
||
if (arguments.length > 0) {
|
||
if (stopRepeatAssign) {
|
||
return this
|
||
}
|
||
accessor.set.call(this, value)
|
||
return this
|
||
} else {
|
||
//将依赖于自己的高层访问器或视图刷新函数（以绑定对象形式）放到自己的订阅数组中
|
||
value = accessor.get.call(this)
|
||
if (oldValue !== value) {
|
||
accessor.updateValue(this, value)
|
||
init && accessor.notify(this, value, oldValue) //触发$watch回调
|
||
}
|
||
//将自己注入到低层访问器的订阅数组中
|
||
return value
|
||
}
|
||
}
|
||
accessor.set = options.set || noop
|
||
accessor.get = options.get
|
||
accessorFactory(accessor, name)
|
||
var id
|
||
accessor.digest = function () {
|
||
accessor.updateValue = globalUpdateModelValue
|
||
accessor.notify = noop
|
||
accessor.call(accessor.vm)
|
||
clearTimeout(id)//如果计算属性存在多个依赖项，那么等它们都更新了才更新视图
|
||
id = setTimeout(function () {
|
||
accessorFactory(accessor, accessor._name)
|
||
accessor.call(accessor.vm)
|
||
})
|
||
}
|
||
return accessor
|
||
}
|
||
|
||
//创建一个复杂访问器
|
||
function makeComplexAccessor(name, initValue, valueType, list) {
|
||
function accessor(value) {
|
||
var oldValue = accessor._value
|
||
var son = accessor._vmodel
|
||
if (arguments.length > 0) {
|
||
if (stopRepeatAssign) {
|
||
return this
|
||
}
|
||
if (valueType === "array") {
|
||
var old = son._
|
||
son._ = []
|
||
son.clear()
|
||
son._ = old
|
||
son.pushArray(value)
|
||
} else if (valueType === "object") {
|
||
var $proxy = son.$proxy
|
||
var observes = this.$events[name] || []
|
||
son = accessor._vmodel = modelFactory(value)
|
||
son.$events[subscribers] = observes
|
||
son.$proxy = $proxy
|
||
if (observes.length) {
|
||
observes.forEach(function (el) {
|
||
var fn = bindingHandlers[el.type]
|
||
if (fn) { //#753
|
||
el.rollback && el.rollback() //还原 ms-with ms-on
|
||
fn(el, el.vmodels)
|
||
}
|
||
})
|
||
}
|
||
}
|
||
accessor.updateValue(this, son.$model)
|
||
accessor.notify(this, this._value, oldValue)
|
||
return this
|
||
} else {
|
||
dependencyDetection.collectDependency(this, accessor)
|
||
return son
|
||
}
|
||
}
|
||
accessorFactory(accessor, name)
|
||
var son = accessor._vmodel = modelFactory(initValue)
|
||
son.$events[subscribers] = list
|
||
return accessor
|
||
}
|
||
|
||
function globalUpdateValue(vmodel, value) {
|
||
vmodel.$model[this._name] = this._value = value
|
||
}
|
||
function globalUpdateModelValue(vmodel, value) {
|
||
vmodel.$model[this._name] = value
|
||
}
|
||
function globalNotify(vmodel, value, oldValue) {
|
||
var name = this._name
|
||
var array = vmodel.$events[name] //刷新值
|
||
if (array) {
|
||
fireDependencies(array) //同步视图
|
||
EventBus.$fire.call(vmodel, name, value, oldValue) //触发$watch回调
|
||
}
|
||
}
|
||
|
||
function accessorFactory(accessor, name) {
|
||
accessor._name = name
|
||
//同时更新_value与model
|
||
accessor.updateValue = globalUpdateValue
|
||
accessor.notify = globalNotify
|
||
}
|
||
|
||
//比较两个值是否相等
|
||
var isEqual = Object.is || function (v1, v2) {
|
||
if (v1 === 0 && v2 === 0) {
|
||
return 1 / v1 === 1 / v2
|
||
} else if (v1 !== v1) {
|
||
return v2 !== v2
|
||
} else {
|
||
return v1 === v2
|
||
}
|
||
}
|
||
|
||
function isObservable(name, value, $skipArray) {
|
||
if (isFunction(value) || value && value.nodeType) {
|
||
return false
|
||
}
|
||
if ($skipArray.indexOf(name) !== -1) {
|
||
return false
|
||
}
|
||
var $special = $skipArray.$special
|
||
if (name && name.charAt(0) === "$" && !$special[name]) {
|
||
return false
|
||
}
|
||
return true
|
||
}
|
||
|
||
var descriptorFactory = W3C ? function (obj) {
|
||
var descriptors = {}
|
||
for (var i in obj) {
|
||
descriptors[i] = {
|
||
get: obj[i],
|
||
set: obj[i],
|
||
enumerable: true,
|
||
configurable: true
|
||
}
|
||
}
|
||
return descriptors
|
||
} : function (a) {
|
||
return a
|
||
}
|
||
|
||
|
||
//===================修复浏览器对Object.defineProperties的支持=================
|
||
if (!canHideOwn) {
|
||
if ("__defineGetter__" in avalon) {
|
||
defineProperty = function (obj, prop, desc) {
|
||
if ('value' in desc) {
|
||
obj[prop] = desc.value
|
||
}
|
||
if ("get" in desc) {
|
||
obj.__defineGetter__(prop, desc.get)
|
||
}
|
||
if ('set' in desc) {
|
||
obj.__defineSetter__(prop, desc.set)
|
||
}
|
||
return obj
|
||
}
|
||
defineProperties = function (obj, descs) {
|
||
for (var prop in descs) {
|
||
if (descs.hasOwnProperty(prop)) {
|
||
defineProperty(obj, prop, descs[prop])
|
||
}
|
||
}
|
||
return obj
|
||
}
|
||
}
|
||
if (IEVersion) {
|
||
var VBClassPool = {}
|
||
window.execScript([// jshint ignore:line
|
||
"Function parseVB(code)",
|
||
"\tExecuteGlobal(code)",
|
||
"End Function" //转换一段文本为VB代码
|
||
].join("\n"), "VBScript")
|
||
function VBMediator(instance, accessors, name, value) {// jshint ignore:line
|
||
var accessor = accessors[name]
|
||
if (arguments.length === 4) {
|
||
accessor.call(instance, value)
|
||
} else {
|
||
return accessor.call(instance)
|
||
}
|
||
}
|
||
defineProperties = function (name, accessors, properties) {
|
||
// jshint ignore:line
|
||
var buffer = []
|
||
buffer.push(
|
||
"\r\n\tPrivate [__data__], [__proxy__]",
|
||
"\tPublic Default Function [__const__](d, p)",
|
||
"\t\tSet [__data__] = d: set [__proxy__] = p",
|
||
"\t\tSet [__const__] = Me", //链式调用
|
||
"\tEnd Function")
|
||
//添加普通属性,因为VBScript对象不能像JS那样随意增删属性，必须在这里预先定义好
|
||
for (name in properties) {
|
||
if (!accessors.hasOwnProperty(name)) {
|
||
buffer.push("\tPublic [" + name + "]")
|
||
}
|
||
}
|
||
$$skipArray.forEach(function (name) {
|
||
if (!accessors.hasOwnProperty(name)) {
|
||
buffer.push("\tPublic [" + name + "]")
|
||
}
|
||
})
|
||
buffer.push("\tPublic [" + 'hasOwnProperty' + "]")
|
||
//添加访问器属性
|
||
for (name in accessors) {
|
||
buffer.push(
|
||
//由于不知对方会传入什么,因此set, let都用上
|
||
"\tPublic Property Let [" + name + "](val" + expose + ")", //setter
|
||
"\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
|
||
"\tEnd Property",
|
||
"\tPublic Property Set [" + name + "](val" + expose + ")", //setter
|
||
"\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
|
||
"\tEnd Property",
|
||
"\tPublic Property Get [" + name + "]", //getter
|
||
"\tOn Error Resume Next", //必须优先使用set语句,否则它会误将数组当字符串返回
|
||
"\t\tSet[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
|
||
"\tIf Err.Number <> 0 Then",
|
||
"\t\t[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
|
||
"\tEnd If",
|
||
"\tOn Error Goto 0",
|
||
"\tEnd Property")
|
||
|
||
}
|
||
|
||
buffer.push("End Class")
|
||
var body = buffer.join("\r\n")
|
||
var className =VBClassPool[body]
|
||
if (!className) {
|
||
className = generateID("VBClass")
|
||
window.parseVB("Class " + className + body)
|
||
window.parseVB([
|
||
"Function " + className + "Factory(a, b)", //创建实例并传入两个关键的参数
|
||
"\tDim o",
|
||
"\tSet o = (New " + className + ")(a, b)",
|
||
"\tSet " + className + "Factory = o",
|
||
"End Function"
|
||
].join("\r\n"))
|
||
VBClassPool[body] = className
|
||
}
|
||
var ret = window[className + "Factory"](accessors, VBMediator) //得到其产品
|
||
return ret //得到其产品
|
||
}
|
||
}
|
||
}
|
||
|
||
/*********************************************************************
|
||
* 监控数组（与ms-each, ms-repeat配合使用） *
|
||
**********************************************************************/
|
||
|
||
function arrayFactory(model) {
|
||
var array = []
|
||
array.$id = generateID()
|
||
array.$model = model //数据模型
|
||
array.$events = {}
|
||
array.$events[subscribers] = []
|
||
array._ = modelFactory({
|
||
length: model.length
|
||
})
|
||
array._.$watch("length", function (a, b) {
|
||
array.$fire("length", a, b)
|
||
})
|
||
for (var i in EventBus) {
|
||
array[i] = EventBus[i]
|
||
}
|
||
array.$map = {
|
||
el: 1
|
||
}
|
||
array.$proxy = []
|
||
avalon.mix(array, arrayPrototype)
|
||
return array
|
||
}
|
||
|
||
function mutateArray(method, pos, n, index, method2, pos2, n2) {
|
||
var oldLen = this.length, loop = 2
|
||
while (--loop) {
|
||
switch (method) {
|
||
case "add":
|
||
/* jshint ignore:start */
|
||
var m = pos + n
|
||
var array = this.$model.slice(pos, m).map(function (el) {
|
||
if (rcomplexType.test(avalon.type(el))) {//转换为VM
|
||
return el.$id ? el : modelFactory(el, 0, el)
|
||
} else {
|
||
return el
|
||
}
|
||
})
|
||
_splice.apply(this, [pos, 0].concat(array))
|
||
/* jshint ignore:end */
|
||
for (var i = pos; i < m; i++) {//生成代理VM
|
||
var proxy = eachProxyAgent(i, this)
|
||
this.$proxy.splice(i, 0, proxy)
|
||
}
|
||
this._fire("add", pos, n)
|
||
break
|
||
case "del":
|
||
var ret = this._splice(pos, n)
|
||
var removed = this.$proxy.splice(pos, n) //回收代理VM
|
||
eachProxyRecycler(removed, "each")
|
||
this._fire("del", pos, n)
|
||
break
|
||
}
|
||
if (method2) {
|
||
method = method2
|
||
pos = pos2
|
||
n = n2
|
||
loop = 2
|
||
method2 = 0
|
||
}
|
||
}
|
||
resetIndex(this.$proxy, index)
|
||
if (this.length !== oldLen) {
|
||
this._.length = this.length
|
||
}
|
||
return ret
|
||
}
|
||
|
||
var _splice = ap.splice
|
||
var arrayPrototype = {
|
||
_splice: _splice,
|
||
_fire: function (method, a, b) {
|
||
fireDependencies(this.$events[subscribers], method, a, b)
|
||
},
|
||
size: function () { //取得数组长度，这个函数可以同步视图，length不能
|
||
return this._.length
|
||
},
|
||
pushArray: function (array) {
|
||
var m = array.length, n = this.length
|
||
if (m) {
|
||
ap.push.apply(this.$model, array)
|
||
mutateArray.call(this, "add", n, m, Math.max(0, n - 1))
|
||
}
|
||
return m + n
|
||
},
|
||
push: function () {
|
||
//http://jsperf.com/closure-with-arguments
|
||
var array = []
|
||
var i, n = arguments.length
|
||
for (i = 0; i < n; i++) {
|
||
array[i] = arguments[i]
|
||
}
|
||
return this.pushArray(array)
|
||
},
|
||
unshift: function () {
|
||
var m = arguments.length, n = this.length
|
||
if (m) {
|
||
ap.unshift.apply(this.$model, arguments)
|
||
mutateArray.call(this, "add", 0, m, 0)
|
||
}
|
||
return m + n //IE67的unshift不会返回长度
|
||
},
|
||
shift: function () {
|
||
if (this.length) {
|
||
var el = this.$model.shift()
|
||
mutateArray.call(this, "del", 0, 1, 0)
|
||
return el //返回被移除的元素
|
||
}
|
||
},
|
||
pop: function () {
|
||
var n = this.length
|
||
if (n) {
|
||
var el = this.$model.pop()
|
||
mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2))
|
||
return el //返回被移除的元素
|
||
}
|
||
},
|
||
splice: function (start) {
|
||
var m = arguments.length, args = [], change
|
||
var removed = _splice.apply(this.$model, arguments)
|
||
if (removed.length) { //如果用户删掉了元素
|
||
args.push("del", start, removed.length, 0)
|
||
change = true
|
||
}
|
||
if (m > 2) { //如果用户添加了元素
|
||
if (change) {
|
||
args.splice(3, 1, 0, "add", start, m - 2)
|
||
} else {
|
||
args.push("add", start, m - 2, 0)
|
||
}
|
||
change = true
|
||
}
|
||
if (change) { //返回被移除的元素
|
||
return mutateArray.apply(this, args)
|
||
} else {
|
||
return []
|
||
}
|
||
},
|
||
contains: function (el) { //判定是否包含
|
||
return this.indexOf(el) !== -1
|
||
},
|
||
remove: function (el) { //移除第一个等于给定值的元素
|
||
return this.removeAt(this.indexOf(el))
|
||
},
|
||
removeAt: function (index) { //移除指定索引上的元素
|
||
if (index >= 0) {
|
||
this.$model.splice(index, 1)
|
||
return mutateArray.call(this, "del", index, 1, 0)
|
||
}
|
||
return []
|
||
},
|
||
clear: function () {
|
||
eachProxyRecycler(this.$proxy, "each")
|
||
this.$model.length = this.$proxy.length = this.length = this._.length = 0 //清空数组
|
||
this._fire("clear", 0)
|
||
return this
|
||
},
|
||
removeAll: function (all) { //移除N个元素
|
||
if (Array.isArray(all)) {
|
||
for (var i = this.length - 1; i >= 0; i--) {
|
||
if (all.indexOf(this[i]) !== -1) {
|
||
this.removeAt(i)
|
||
}
|
||
}
|
||
} else if (typeof all === "function") {
|
||
for (i = this.length - 1; i >= 0; i--) {
|
||
if (all(this[i], i)) {
|
||
this.removeAt(i)
|
||
}
|
||
}
|
||
} else {
|
||
this.clear()
|
||
}
|
||
},
|
||
ensure: function (el) {
|
||
if (!this.contains(el)) { //只有不存在才push
|
||
this.push(el)
|
||
}
|
||
return this
|
||
},
|
||
set: function (index, val) {
|
||
if (index >= 0) {
|
||
var valueType = avalon.type(val)
|
||
if (val && val.$model) {
|
||
val = val.$model
|
||
}
|
||
var target = this[index]
|
||
if (valueType === "object") {
|
||
for (var i in val) {
|
||
if (target.hasOwnProperty(i)) {
|
||
target[i] = val[i]
|
||
}
|
||
}
|
||
} else if (valueType === "array") {
|
||
target.clear().push.apply(target, val)
|
||
} else if (target !== val) {
|
||
this[index] = val
|
||
this.$model[index] = val
|
||
var proxy = this.$proxy[index]
|
||
if (proxy) {
|
||
fireDependencies(proxy.$events.$index)
|
||
}
|
||
}
|
||
}
|
||
return this
|
||
}
|
||
}
|
||
//相当于原来bindingExecutors.repeat 的index分支
|
||
function resetIndex(array, pos) {
|
||
var last = array.length - 1
|
||
for (var el; el = array[pos]; pos++) {
|
||
el.$index = pos
|
||
el.$first = pos === 0
|
||
el.$last = pos === last
|
||
}
|
||
}
|
||
|
||
function sortByIndex(array, indexes) {
|
||
var map = {};
|
||
for (var i = 0, n = indexes.length; i < n; i++) {
|
||
map[i] = array[i] // preserve
|
||
var j = indexes[i]
|
||
if (j in map) {
|
||
array[i] = map[j]
|
||
delete map[j]
|
||
} else {
|
||
array[i] = array[j]
|
||
}
|
||
}
|
||
}
|
||
|
||
"sort,reverse".replace(rword, function (method) {
|
||
arrayPrototype[method] = function () {
|
||
var newArray = this.$model//这是要排序的新数组
|
||
var oldArray = newArray.concat() //保持原来状态的旧数组
|
||
var mask = Math.random()
|
||
var indexes = []
|
||
var hasSort
|
||
ap[method].apply(newArray, arguments) //排序
|
||
for (var i = 0, n = oldArray.length; i < n; i++) {
|
||
var neo = newArray[i]
|
||
var old = oldArray[i]
|
||
if (isEqual(neo, old)) {
|
||
indexes.push(i)
|
||
} else {
|
||
var index = oldArray.indexOf(neo)
|
||
indexes.push(index)//得到新数组的每个元素在旧数组对应的位置
|
||
oldArray[index] = mask //屏蔽已经找过的元素
|
||
hasSort = true
|
||
}
|
||
}
|
||
if (hasSort) {
|
||
sortByIndex(this, indexes)
|
||
sortByIndex(this.$proxy, indexes)
|
||
this._fire("move", indexes)
|
||
resetIndex(this.$proxy, 0)
|
||
}
|
||
return this
|
||
}
|
||
})
|
||
|
||
var eachProxyPool = []
|
||
|
||
function eachProxyFactory() {
|
||
var source = {
|
||
$index: NaN,
|
||
$first: NaN,
|
||
$last: NaN,
|
||
$map: {},
|
||
$host: {},
|
||
$outer: {},
|
||
$remove: avalon.noop,
|
||
el: {
|
||
get: function () {
|
||
//avalon1.4.4中，计算属性的订阅数组不再添加绑定对象
|
||
return this.$host[this.$index]
|
||
},
|
||
set: function (val) {
|
||
this.$host.set(this.$index, val)
|
||
}
|
||
}
|
||
}
|
||
|
||
var second = {
|
||
$last: 1,
|
||
$first: 1,
|
||
$index: 1
|
||
}
|
||
var proxy = modelFactory(source, second)
|
||
proxy.$id = generateID("$proxy$each")
|
||
return proxy
|
||
}
|
||
|
||
function eachProxyAgent(index, host) {
|
||
var proxy = eachProxyPool.shift()
|
||
if (!proxy) {
|
||
proxy = eachProxyFactory( )
|
||
}else{
|
||
proxy.$compute()
|
||
}
|
||
var last = host.length - 1
|
||
proxy.$host = host
|
||
proxy.$index = index
|
||
proxy.$first = index === 0
|
||
proxy.$last = index === last
|
||
proxy.$map = host.$map
|
||
proxy.$remove = function () {
|
||
return host.removeAt(proxy.$index)
|
||
}
|
||
return proxy
|
||
}
|
||
|
||
/*********************************************************************
|
||
* 依赖调度系统 *
|
||
**********************************************************************/
|
||
//检测两个对象间的依赖关系
|
||
var dependencyDetection = (function () {
|
||
var outerFrames = []
|
||
var currentFrame
|
||
return {
|
||
begin: function (accessorObject) {
|
||
//accessorObject为一个拥有callback的对象
|
||
outerFrames.push(currentFrame)
|
||
currentFrame = accessorObject
|
||
},
|
||
end: function () {
|
||
currentFrame = outerFrames.pop()
|
||
},
|
||
collectDependency: function (vmodel, accessor) {
|
||
if (currentFrame) {
|
||
//被dependencyDetection.begin调用
|
||
currentFrame.callback(vmodel, accessor);
|
||
}
|
||
}
|
||
};
|
||
})()
|
||
//将绑定对象注入到其依赖项的订阅数组中
|
||
var ronduplex = /^(duplex|on)$/
|
||
avalon.injectBinding = function (data) {
|
||
var fn = data.evaluator
|
||
if (fn) { //如果是求值函数
|
||
dependencyDetection.begin({
|
||
callback: function (vmodel, dependency) {
|
||
injectDependency(vmodel.$events[dependency._name], data)
|
||
}
|
||
})
|
||
try {
|
||
var c = ronduplex.test(data.type) ? data : fn.apply(0, data.args)
|
||
data.handler(c, data.element, data)
|
||
} catch (e) {
|
||
//log("warning:exception throwed in [avalon.injectBinding] " + e)
|
||
delete data.evaluator
|
||
var node = data.element
|
||
if (node.nodeType === 3) {
|
||
var parent = node.parentNode
|
||
if (kernel.commentInterpolate) {
|
||
parent.replaceChild(DOC.createComment(data.value), node)
|
||
} else {
|
||
node.data = openTag + data.value + closeTag
|
||
}
|
||
}
|
||
} finally {
|
||
dependencyDetection.end()
|
||
}
|
||
}
|
||
}
|
||
|
||
//将依赖项(比它高层的访问器或构建视图刷新函数的绑定对象)注入到订阅者数组
|
||
function injectDependency(list, data) {
|
||
data = data || Registry[expose]
|
||
if (list && data && avalon.Array.ensure(list, data) && data.element) {
|
||
injectDisposeQueue(data, list)
|
||
}
|
||
}
|
||
|
||
//通知依赖于这个访问器的订阅者更新自身
|
||
function fireDependencies(list) {
|
||
if (list && list.length) {
|
||
if (new Date() - beginTime > 444 && typeof list[0] === "object") {
|
||
rejectDisposeQueue()
|
||
}
|
||
var args = aslice.call(arguments, 1)
|
||
for (var i = list.length, fn; fn = list[--i]; ) {
|
||
var el = fn.element
|
||
if (el && el.parentNode) {
|
||
try {
|
||
if (fn.$repeat) {
|
||
fn.handler.apply(fn, args) //处理监控数组的方法
|
||
} else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发
|
||
var fun = fn.evaluator || noop
|
||
fn.handler(fun.apply(0, fn.args || []), el, fn)
|
||
|
||
}
|
||
} catch (e) {
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
/*********************************************************************
|
||
* 定时GC回收机制 *
|
||
**********************************************************************/
|
||
var disposeCount = 0
|
||
var disposeQueue = avalon.$$subscribers = []
|
||
var beginTime = new Date()
|
||
var oldInfo = {}
|
||
function getUid(obj) { //IE9+,标准浏览器
|
||
return obj.uniqueNumber || (obj.uniqueNumber = ++disposeCount)
|
||
}
|
||
|
||
//添加到回收列队中
|
||
function injectDisposeQueue(data, list) {
|
||
var elem = data.element
|
||
if (!data.uuid) {
|
||
if (elem.nodeType !== 1) {
|
||
data.uuid = data.type + (data.pos || 0) + "-" + getUid(elem.parentNode)
|
||
} else {
|
||
data.uuid = data.name + "-" + getUid(elem)
|
||
}
|
||
}
|
||
var lists = data.lists || (data.lists = [])
|
||
avalon.Array.ensure(lists, list)
|
||
list.$uuid = list.$uuid || generateID()
|
||
if (!disposeQueue[data.uuid]) {
|
||
disposeQueue[data.uuid] = 1
|
||
disposeQueue.push(data)
|
||
}
|
||
}
|
||
|
||
function rejectDisposeQueue(data) {
|
||
if(avalon.optimize)
|
||
return
|
||
var i = disposeQueue.length
|
||
var n = i
|
||
var allTypes = []
|
||
var iffishTypes = {}
|
||
var newInfo = {}
|
||
//对页面上所有绑定对象进行分门别类, 只检测个数发生变化的类型
|
||
while (data = disposeQueue[--i]) {
|
||
var type = data.type
|
||
if (newInfo[type]) {
|
||
newInfo[type]++
|
||
} else {
|
||
newInfo[type] = 1
|
||
allTypes.push(type)
|
||
}
|
||
}
|
||
var diff = false
|
||
allTypes.forEach(function (type) {
|
||
if (oldInfo[type] !== newInfo[type]) {
|
||
iffishTypes[type] = 1
|
||
diff = true
|
||
}
|
||
})
|
||
i = n
|
||
if (diff) {
|
||
while (data = disposeQueue[--i]) {
|
||
if (!data.element)
|
||
continue
|
||
if (iffishTypes[data.type] && shouldDispose(data.element)) { //如果它没有在DOM树
|
||
disposeQueue.splice(i, 1)
|
||
delete disposeQueue[data.uuid]
|
||
var lists = data.lists
|
||
for (var k = 0, list; list = lists[k++]; ) {
|
||
avalon.Array.remove(lists, list)
|
||
avalon.Array.remove(list, data)
|
||
}
|
||
disposeData(data)
|
||
}
|
||
}
|
||
}
|
||
oldInfo = newInfo
|
||
beginTime = new Date()
|
||
}
|
||
|
||
function disposeData(data) {
|
||
data.element = null
|
||
data.rollback && data.rollback()
|
||
for (var key in data) {
|
||
data[key] = null
|
||
}
|
||
}
|
||
|
||
function shouldDispose(el) {
|
||
try {//IE下，如果文本节点脱离DOM树，访问parentNode会报错
|
||
if (!el.parentNode) {
|
||
return true
|
||
}
|
||
} catch (e) {
|
||
return true
|
||
}
|
||
|
||
return el.msRetain ? 0 : (el.nodeType === 1 ? !root.contains(el) : !avalon.contains(root, el))
|
||
}
|
||
|
||
/************************************************************************
|
||
* HTML处理(parseHTML, innerHTML, clearHTML) *
|
||
************************************************************************/
|
||
// We have to close these tags to support XHTML
|
||
var tagHooks = {
|
||
area: [1, "<map>", "</map>"],
|
||
param: [1, "<object>", "</object>"],
|
||
col: [2, "<table><colgroup>", "</colgroup></table>"],
|
||
legend: [1, "<fieldset>", "</fieldset>"],
|
||
option: [1, "<select multiple='multiple'>", "</select>"],
|
||
thead: [1, "<table>", "</table>"],
|
||
tr: [2, "<table>", "</table>"],
|
||
td: [3, "<table><tr>", "</tr></table>"],
|
||
g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
|
||
//IE6-8在用innerHTML生成节点时，不能直接创建no-scope元素与HTML5的新标签
|
||
_default: W3C ? [0, "", ""] : [1, "X<div>", "</div>"] //div可以不用闭合
|
||
}
|
||
tagHooks.th = tagHooks.td
|
||
tagHooks.optgroup = tagHooks.option
|
||
tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead
|
||
String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) {
|
||
tagHooks[tag] = tagHooks.g //处理SVG
|
||
})
|
||
var rtagName = /<([\w:]+)/ //取得其tagName
|
||
var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
|
||
var rcreate = W3C ? /[^\d\D]/ : /(<(?:script|link|style|meta|noscript))/ig
|
||
var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"])
|
||
var rnest = /<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/ //需要处理套嵌关系的标签
|
||
var script = DOC.createElement("script")
|
||
var rhtml = /<|&#?\w+;/
|
||
avalon.parseHTML = function (html) {
|
||
var fragment = avalonFragment.cloneNode(false)
|
||
if (typeof html !== "string") {
|
||
return fragment
|
||
}
|
||
if (!rhtml.test(html)) {
|
||
fragment.appendChild(DOC.createTextNode(html))
|
||
return fragment
|
||
}
|
||
html = html.replace(rxhtml, "<$1></$2>").trim()
|
||
var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(),
|
||
//取得其标签名
|
||
wrap = tagHooks[tag] || tagHooks._default,
|
||
wrapper = cinerator,
|
||
firstChild, neo
|
||
if (!W3C) { //fix IE
|
||
html = html.replace(rcreate, "<br class=msNoScope>$1") //在link style script等标签之前添加一个补丁
|
||
}
|
||
wrapper.innerHTML = wrap[1] + html + wrap[2]
|
||
var els = wrapper.getElementsByTagName("script")
|
||
if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性
|
||
for (var i = 0, el; el = els[i++]; ) {
|
||
if (scriptTypes[el.type]) {
|
||
//以偷龙转凤方式恢复执行脚本功能
|
||
neo = script.cloneNode(false) //FF不能省略参数
|
||
ap.forEach.call(el.attributes, function (attr) {
|
||
if (attr && attr.specified) {
|
||
neo[attr.name] = attr.value //复制其属性
|
||
neo.setAttribute(attr.name, attr.value)
|
||
}
|
||
}) // jshint ignore:line
|
||
neo.text = el.text
|
||
el.parentNode.replaceChild(neo, el) //替换节点
|
||
}
|
||
}
|
||
}
|
||
if (!W3C) { //fix IE
|
||
var target = wrap[1] === "X<div>" ? wrapper.lastChild.firstChild : wrapper.lastChild
|
||
if (target && target.tagName === "TABLE" && tag !== "tbody") {
|
||
//IE6-7处理 <thead> --> <thead>,<tbody>
|
||
//<tfoot> --> <tfoot>,<tbody>
|
||
//<table> --> <table><tbody></table>
|
||
for (els = target.childNodes, i = 0; el = els[i++]; ) {
|
||
if (el.tagName === "TBODY" && !el.innerHTML) {
|
||
target.removeChild(el)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
els = wrapper.getElementsByTagName("br")
|
||
var n = els.length
|
||
while (el = els[--n]) {
|
||
if (el.className === "msNoScope") {
|
||
el.parentNode.removeChild(el)
|
||
}
|
||
}
|
||
for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
|
||
if (isVML(el)) {
|
||
fixVML(el)
|
||
}
|
||
}
|
||
}
|
||
//移除我们为了符合套嵌关系而添加的标签
|
||
for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
|
||
}
|
||
while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上！
|
||
fragment.appendChild(firstChild)
|
||
}
|
||
return fragment
|
||
}
|
||
|
||
function isVML(src) {
|
||
var nodeName = src.nodeName
|
||
return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
|
||
}
|
||
|
||
function fixVML(node) {
|
||
if (node.currentStyle.behavior !== "url(#default#VML)") {
|
||
node.style.behavior = "url(#default#VML)"
|
||
node.style.display = "inline-block"
|
||
node.style.zoom = 1 //hasLayout
|
||
}
|
||
}
|
||
avalon.innerHTML = function (node, html) {
|
||
if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
|
||
try {
|
||
node.innerHTML = html
|
||
return
|
||
} catch (e) {
|
||
}
|
||
}
|
||
var a = this.parseHTML(html)
|
||
this.clearHTML(node).appendChild(a)
|
||
}
|
||
avalon.clearHTML = function (node) {
|
||
node.textContent = ""
|
||
while (node.firstChild) {
|
||
node.removeChild(node.firstChild)
|
||
}
|
||
return node
|
||
}
|
||
|
||
/*********************************************************************
|
||
* avalon的原型方法定义区 *
|
||
**********************************************************************/
|
||
|
||
function hyphen(target) {
|
||
//转换为连字符线风格
|
||
return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
|
||
}
|
||
|
||
function camelize(target) {
|
||
//提前判断，提高getStyle等的效率
|
||
if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
|
||
return target
|
||
}
|
||
//转换为驼峰风格
|
||
return target.replace(/[-_][^-_]/g, function(match) {
|
||
return match.charAt(1).toUpperCase()
|
||
})
|
||
}
|
||
|
||
var fakeClassListMethods = {
|
||
_toString: function() {
|
||
var node = this.node
|
||
var cls = node.className
|
||
var str = typeof cls === "string" ? cls : cls.baseVal
|
||
return str.split(/\s+/).join(" ")
|
||
},
|
||
_contains: function(cls) {
|
||
return (" " + this + " ").indexOf(" " + cls + " ") > -1
|
||
},
|
||
_add: function(cls) {
|
||
if (!this.contains(cls)) {
|
||
this._set(this + " " + cls)
|
||
}
|
||
},
|
||
_remove: function(cls) {
|
||
this._set((" " + this + " ").replace(" " + cls + " ", " "))
|
||
},
|
||
__set: function(cls) {
|
||
cls = cls.trim()
|
||
var node = this.node
|
||
if (rsvg.test(node)) {
|
||
//SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""}，只能通过set/getAttribute操作
|
||
node.setAttribute("class", cls)
|
||
} else {
|
||
node.className = cls
|
||
}
|
||
} //toggle存在版本差异，因此不使用它
|
||
}
|
||
|
||
function fakeClassList(node) {
|
||
if (!("classList" in node)) {
|
||
node.classList = {
|
||
node: node
|
||
}
|
||
for (var k in fakeClassListMethods) {
|
||
node.classList[k.slice(1)] = fakeClassListMethods[k]
|
||
}
|
||
}
|
||
return node.classList
|
||
}
|
||
|
||
|
||
"add,remove".replace(rword, function(method) {
|
||
avalon.fn[method + "Class"] = function(cls) {
|
||
var el = this[0]
|
||
//https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
|
||
if (cls && typeof cls === "string" && el && el.nodeType === 1) {
|
||
cls.replace(/\S+/g, function(c) {
|
||
fakeClassList(el)[method](c)
|
||
})
|
||
}
|
||
return this
|
||
}
|
||
})
|
||
avalon.fn.mix({
|
||
hasClass: function(cls) {
|
||
var el = this[0] || {}
|
||
return el.nodeType === 1 && fakeClassList(el).contains(cls)
|
||
},
|
||
toggleClass: function(value, stateVal) {
|
||
var className, i = 0
|
||
var classNames = String(value).split(/\s+/)
|
||
var isBool = typeof stateVal === "boolean"
|
||
while ((className = classNames[i++])) {
|
||
var state = isBool ? stateVal : !this.hasClass(className)
|
||
this[state ? "addClass" : "removeClass"](className)
|
||
}
|
||
return this
|
||
},
|
||
attr: function(name, value) {
|
||
if (arguments.length === 2) {
|
||
this[0].setAttribute(name, value)
|
||
return this
|
||
} else {
|
||
return this[0].getAttribute(name)
|
||
}
|
||
},
|
||
data: function(name, value) {
|
||
name = "data-" + hyphen(name || "")
|
||
switch (arguments.length) {
|
||
case 2:
|
||
this.attr(name, value)
|
||
return this
|
||
case 1:
|
||
var val = this.attr(name)
|
||
return parseData(val)
|
||
case 0:
|
||
var ret = {}
|
||
ap.forEach.call(this[0].attributes, function(attr) {
|
||
if (attr) {
|
||
name = attr.name
|
||
if (!name.indexOf("data-")) {
|
||
name = camelize(name.slice(5))
|
||
ret[name] = parseData(attr.value)
|
||
}
|
||
}
|
||
})
|
||
return ret
|
||
}
|
||
},
|
||
removeData: function(name) {
|
||
name = "data-" + hyphen(name)
|
||
this[0].removeAttribute(name)
|
||
return this
|
||
},
|
||
css: function(name, value) {
|
||
if (avalon.isPlainObject(name)) {
|
||
for (var i in name) {
|
||
avalon.css(this, i, name[i])
|
||
}
|
||
} else {
|
||
var ret = avalon.css(this, name, value)
|
||
}
|
||
return ret !== void 0 ? ret : this
|
||
},
|
||
position: function() {
|
||
var offsetParent, offset,
|
||
elem = this[0],
|
||
parentOffset = {
|
||
top: 0,
|
||
left: 0
|
||
}
|
||
if (!elem) {
|
||
return
|
||
}
|
||
if (this.css("position") === "fixed") {
|
||
offset = elem.getBoundingClientRect()
|
||
} else {
|
||
offsetParent = this.offsetParent() //得到真正的offsetParent
|
||
offset = this.offset() // 得到正确的offsetParent
|
||
if (offsetParent[0].tagName !== "HTML") {
|
||
parentOffset = offsetParent.offset()
|
||
}
|
||
parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
|
||
parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
|
||
|
||
// Subtract offsetParent scroll positions
|
||
parentOffset.top -= offsetParent.scrollTop()
|
||
parentOffset.left -= offsetParent.scrollLeft()
|
||
}
|
||
return {
|
||
top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
|
||
left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
|
||
}
|
||
},
|
||
offsetParent: function() {
|
||
var offsetParent = this[0].offsetParent
|
||
while (offsetParent && avalon.css(offsetParent, "position") === "static") {
|
||
offsetParent = offsetParent.offsetParent;
|
||
}
|
||
return avalon(offsetParent || root)
|
||
},
|
||
bind: function(type, fn, phase) {
|
||
if (this[0]) { //此方法不会链
|
||
return avalon.bind(this[0], type, fn, phase)
|
||
}
|
||
},
|
||
unbind: function(type, fn, phase) {
|
||
if (this[0]) {
|
||
avalon.unbind(this[0], type, fn, phase)
|
||
}
|
||
return this
|
||
},
|
||
val: function(value) {
|
||
var node = this[0]
|
||
if (node && node.nodeType === 1) {
|
||
var get = arguments.length === 0
|
||
var access = get ? ":get" : ":set"
|
||
var fn = valHooks[getValType(node) + access]
|
||
if (fn) {
|
||
var val = fn(node, value)
|
||
} else if (get) {
|
||
return (node.value || "").replace(/\r/g, "")
|
||
} else {
|
||
node.value = value
|
||
}
|
||
}
|
||
return get ? val : this
|
||
}
|
||
})
|
||
|
||
function parseData(data) {
|
||
try {
|
||
if (typeof data === "object")
|
||
return data
|
||
data = data === "true" ? true :
|
||
data === "false" ? false :
|
||
data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
|
||
} catch (e) {}
|
||
return data
|
||
}
|
||
var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
|
||
rvalidchars = /^[\],:{}\s]*$/,
|
||
rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
|
||
rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
|
||
rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
|
||
avalon.parseJSON = window.JSON ? JSON.parse : function(data) {
|
||
if (typeof data === "string") {
|
||
data = data.trim();
|
||
if (data) {
|
||
if (rvalidchars.test(data.replace(rvalidescape, "@")
|
||
.replace(rvalidtokens, "]")
|
||
.replace(rvalidbraces, ""))) {
|
||
return (new Function("return " + data))() // jshint ignore:line
|
||
}
|
||
}
|
||
avalon.error("Invalid JSON: " + data)
|
||
}
|
||
return data
|
||
}
|
||
|
||
//生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
|
||
avalon.each({
|
||
scrollLeft: "pageXOffset",
|
||
scrollTop: "pageYOffset"
|
||
}, function(method, prop) {
|
||
avalon.fn[method] = function(val) {
|
||
var node = this[0] || {}, win = getWindow(node),
|
||
top = method === "scrollTop"
|
||
if (!arguments.length) {
|
||
return win ? (prop in win) ? win[prop] : root[method] : node[method]
|
||
} else {
|
||
if (win) {
|
||
win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
|
||
} else {
|
||
node[method] = val
|
||
}
|
||
}
|
||
}
|
||
})
|
||
|
||
function getWindow(node) {
|
||
return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
|
||
}
|
||
//=============================css相关=======================
|
||
var cssHooks = avalon.cssHooks = {}
|
||
var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
|
||
var cssMap = {
|
||
"float": W3C ? "cssFloat" : "styleFloat"
|
||
}
|
||
avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
|
||
|
||
avalon.cssName = function(name, host, camelCase) {
|
||
if (cssMap[name]) {
|
||
return cssMap[name]
|
||
}
|
||
host = host || root.style
|
||
for (var i = 0, n = prefixes.length; i < n; i++) {
|
||
camelCase = camelize(prefixes[i] + name)
|
||
if (camelCase in host) {
|
||
return (cssMap[name] = camelCase)
|
||
}
|
||
}
|
||
return null
|
||
}
|
||
cssHooks["@:set"] = function(node, name, value) {
|
||
try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
|
||
node.style[name] = value
|
||
} catch (e) {}
|
||
}
|
||
if (window.getComputedStyle) {
|
||
cssHooks["@:get"] = function(node, name) {
|
||
if (!node || !node.style) {
|
||
throw new Error("getComputedStyle要求传入一个节点 " + node)
|
||
}
|
||
var ret, styles = getComputedStyle(node, null)
|
||
if (styles) {
|
||
ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
|
||
if (ret === "") {
|
||
ret = node.style[name] //其他浏览器需要我们手动取内联样式
|
||
}
|
||
}
|
||
return ret
|
||
}
|
||
cssHooks["opacity:get"] = function(node) {
|
||
var ret = cssHooks["@:get"](node, "opacity")
|
||
return ret === "" ? "1" : ret
|
||
}
|
||
} else {
|
||
var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
|
||
var rposition = /^(top|right|bottom|left)$/
|
||
var ralpha = /alpha\([^)]*\)/i
|
||
var ie8 = !! window.XDomainRequest
|
||
var salpha = "DXImageTransform.Microsoft.Alpha"
|
||
var border = {
|
||
thin: ie8 ? '1px' : '2px',
|
||
medium: ie8 ? '3px' : '4px',
|
||
thick: ie8 ? '5px' : '6px'
|
||
}
|
||
cssHooks["@:get"] = function(node, name) {
|
||
//取得精确值，不过它有可能是带em,pc,mm,pt,%等单位
|
||
var currentStyle = node.currentStyle
|
||
var ret = currentStyle[name]
|
||
if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
|
||
//①，保存原有的style.left, runtimeStyle.left,
|
||
var style = node.style,
|
||
left = style.left,
|
||
rsLeft = node.runtimeStyle.left
|
||
//②由于③处的style.left = xxx会影响到currentStyle.left，
|
||
//因此把它currentStyle.left放到runtimeStyle.left，
|
||
//runtimeStyle.left拥有最高优先级，不会style.left影响
|
||
node.runtimeStyle.left = currentStyle.left
|
||
//③将精确值赋给到style.left，然后通过IE的另一个私有属性 style.pixelLeft
|
||
//得到单位为px的结果；fontSize的分支见http://bugs.jquery.com/ticket/760
|
||
style.left = name === 'fontSize' ? '1em' : (ret || 0)
|
||
ret = style.pixelLeft + "px"
|
||
//④还原 style.left，runtimeStyle.left
|
||
style.left = left
|
||
node.runtimeStyle.left = rsLeft
|
||
}
|
||
if (ret === "medium") {
|
||
name = name.replace("Width", "Style")
|
||
//border width 默认值为medium，即使其为0"
|
||
if (currentStyle[name] === "none") {
|
||
ret = "0px"
|
||
}
|
||
}
|
||
return ret === "" ? "auto" : border[ret] || ret
|
||
}
|
||
cssHooks["opacity:set"] = function(node, name, value) {
|
||
var style = node.style
|
||
var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
|
||
var filter = style.filter || "";
|
||
style.zoom = 1
|
||
//不能使用以下方式设置透明度
|
||
//node.filters.alpha.opacity = value * 100
|
||
style.filter = (ralpha.test(filter) ?
|
||
filter.replace(ralpha, opacity) :
|
||
filter + " " + opacity).trim()
|
||
if (!style.filter) {
|
||
style.removeAttribute("filter")
|
||
}
|
||
}
|
||
cssHooks["opacity:get"] = function(node) {
|
||
//这是最快的获取IE透明值的方式，不需要动用正则了！
|
||
var alpha = node.filters.alpha || node.filters[salpha],
|
||
op = alpha && alpha.enabled ? alpha.opacity : 100
|
||
return (op / 100) + "" //确保返回的是字符串
|
||
}
|
||
}
|
||
|
||
"top,left".replace(rword, function(name) {
|
||
cssHooks[name + ":get"] = function(node) {
|
||
var computed = cssHooks["@:get"](node, name)
|
||
return /px$/.test(computed) ? computed :
|
||
avalon(node).position()[name] + "px"
|
||
}
|
||
})
|
||
|
||
var cssShow = {
|
||
position: "absolute",
|
||
visibility: "hidden",
|
||
display: "block"
|
||
}
|
||
|
||
var rdisplayswap = /^(none|table(?!-c[ea]).+)/
|
||
|
||
function showHidden(node, array) {
|
||
//http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
|
||
if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
|
||
if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
|
||
var obj = {
|
||
node: node
|
||
}
|
||
for (var name in cssShow) {
|
||
obj[name] = node.style[name]
|
||
node.style[name] = cssShow[name]
|
||
}
|
||
array.push(obj)
|
||
}
|
||
var parent = node.parentNode
|
||
if (parent && parent.nodeType === 1) {
|
||
showHidden(parent, array)
|
||
}
|
||
}
|
||
}
|
||
"Width,Height".replace(rword, function(name) { //fix 481
|
||
var method = name.toLowerCase(),
|
||
clientProp = "client" + name,
|
||
scrollProp = "scroll" + name,
|
||
offsetProp = "offset" + name
|
||
cssHooks[method + ":get"] = function(node, which, override) {
|
||
var boxSizing = -4
|
||
if (typeof override === "number") {
|
||
boxSizing = override
|
||
}
|
||
which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
|
||
var ret = node[offsetProp] // border-box 0
|
||
if (boxSizing === 2) { // margin-box 2
|
||
return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
|
||
}
|
||
if (boxSizing < 0) { // padding-box -2
|
||
ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
|
||
}
|
||
if (boxSizing === -4) { // content-box -4
|
||
ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
|
||
}
|
||
return ret
|
||
}
|
||
cssHooks[method + "&get"] = function(node) {
|
||
var hidden = [];
|
||
showHidden(node, hidden);
|
||
var val = cssHooks[method + ":get"](node)
|
||
for (var i = 0, obj; obj = hidden[i++];) {
|
||
node = obj.node
|
||
for (var n in obj) {
|
||
if (typeof obj[n] === "string") {
|
||
node.style[n] = obj[n]
|
||
}
|
||
}
|
||
}
|
||
return val;
|
||
}
|
||
avalon.fn[method] = function(value) { //会忽视其display
|
||
var node = this[0]
|
||
if (arguments.length === 0) {
|
||
if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
|
||
return node["inner" + name] || node.document.documentElement[clientProp]
|
||
}
|
||
if (node.nodeType === 9) { //取得页面尺寸
|
||
var doc = node.documentElement
|
||
//FF chrome html.scrollHeight< body.scrollHeight
|
||
//IE 标准模式 : html.scrollHeight> body.scrollHeight
|
||
//IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点？
|
||
return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
|
||
}
|
||
return cssHooks[method + "&get"](node)
|
||
} else {
|
||
return this.css(method, value)
|
||
}
|
||
}
|
||
avalon.fn["inner" + name] = function() {
|
||
return cssHooks[method + ":get"](this[0], void 0, -2)
|
||
}
|
||
avalon.fn["outer" + name] = function(includeMargin) {
|
||
return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
|
||
}
|
||
})
|
||
avalon.fn.offset = function() { //取得距离页面左右角的坐标
|
||
var node = this[0],
|
||
box = {
|
||
left: 0,
|
||
top: 0
|
||
}
|
||
if (!node || !node.tagName || !node.ownerDocument) {
|
||
return box
|
||
}
|
||
var doc = node.ownerDocument,
|
||
body = doc.body,
|
||
root = doc.documentElement,
|
||
win = doc.defaultView || doc.parentWindow
|
||
if (!avalon.contains(root, node)) {
|
||
return box
|
||
}
|
||
//http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
|
||
//我们可以通过getBoundingClientRect来获得元素相对于client的rect.
|
||
//http://msdn.microsoft.com/en-us/library/ms536433.aspx
|
||
if (node.getBoundingClientRect) {
|
||
box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
|
||
}
|
||
//chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
|
||
var clientTop = root.clientTop || body.clientTop,
|
||
clientLeft = root.clientLeft || body.clientLeft,
|
||
scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
|
||
scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
|
||
// 把滚动距离加到left,top中去。
|
||
// IE一些版本中会自动为HTML元素加上2px的border，我们需要去掉它
|
||
// http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
|
||
return {
|
||
top: box.top + scrollTop - clientTop,
|
||
left: box.left + scrollLeft - clientLeft
|
||
}
|
||
}
|
||
|
||
//==================================val相关============================
|
||
|
||
function getValType(elem) {
|
||
var ret = elem.tagName.toLowerCase()
|
||
return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
|
||
}
|
||
var roption = /^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i
|
||
var valHooks = {
|
||
"option:get": IEVersion ? function(node) {
|
||
//在IE11及W3C，如果没有指定value，那么node.value默认为node.text（存在trim作），但IE9-10则是取innerHTML(没trim操作)
|
||
//specified并不可靠，因此通过分析outerHTML判定用户有没有显示定义value
|
||
return roption.test(node.outerHTML) ? node.value : node.text.trim()
|
||
} : function(node) {
|
||
return node.value
|
||
},
|
||
"select:get": function(node, value) {
|
||
var option, options = node.options,
|
||
index = node.selectedIndex,
|
||
getter = valHooks["option:get"],
|
||
one = node.type === "select-one" || index < 0,
|
||
values = one ? null : [],
|
||
max = one ? index + 1 : options.length,
|
||
i = index < 0 ? max : one ? index : 0
|
||
for (; i < max; i++) {
|
||
option = options[i]
|
||
//旧式IE在reset后不会改变selected，需要改用i === index判定
|
||
//我们过滤所有disabled的option元素，但在safari5下，如果设置select为disable，那么其所有孩子都disable
|
||
//因此当一个元素为disable，需要检测其是否显式设置了disable及其父节点的disable情况
|
||
if ((option.selected || i === index) && !option.disabled) {
|
||
value = getter(option)
|
||
if (one) {
|
||
return value
|
||
}
|
||
//收集所有selected值组成数组返回
|
||
values.push(value)
|
||
}
|
||
}
|
||
return values
|
||
},
|
||
"select:set": function(node, values, optionSet) {
|
||
values = [].concat(values) //强制转换为数组
|
||
var getter = valHooks["option:get"]
|
||
for (var i = 0, el; el = node.options[i++];) {
|
||
if ((el.selected = values.indexOf(getter(el)) > -1)) {
|
||
optionSet = true
|
||
}
|
||
}
|
||
if (!optionSet) {
|
||
node.selectedIndex = -1
|
||
}
|
||
}
|
||
}
|
||
|
||
/*********************************************************************
|
||
* 编译系统 *
|
||
**********************************************************************/
|
||
var meta = {
|
||
'\b': '\\b',
|
||
'\t': '\\t',
|
||
'\n': '\\n',
|
||
'\f': '\\f',
|
||
'\r': '\\r',
|
||
'"': '\\"',
|
||
'\\': '\\\\'
|
||
}
|
||
var quote = window.JSON && JSON.stringify || function(str) {
|
||
return '"' + str.replace(/[\\\"\x00-\x1f]/g, function(a) {
|
||
var c = meta[a];
|
||
return typeof c === 'string' ? c :
|
||
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
|
||
}) + '"'
|
||
}
|
||
|
||
var keywords = [
|
||
"break,case,catch,continue,debugger,default,delete,do,else,false",
|
||
"finally,for,function,if,in,instanceof,new,null,return,switch,this",
|
||
"throw,true,try,typeof,var,void,while,with", /* 关键字*/
|
||
"abstract,boolean,byte,char,class,const,double,enum,export,extends",
|
||
"final,float,goto,implements,import,int,interface,long,native",
|
||
"package,private,protected,public,short,static,super,synchronized",
|
||
"throws,transient,volatile", /*保留字*/
|
||
"arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",")
|
||
var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g
|
||
var rsplit = /[^\w$]+/g
|
||
var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g')
|
||
var rnumber = /\b\d[^,]*/g
|
||
var rcomma = /^,+|,+$/g
|
||
var variablePool = new Cache(512)
|
||
var getVariables = function (code) {
|
||
var key = "," + code.trim()
|
||
var ret = variablePool.get(key)
|
||
if (ret) {
|
||
return ret
|
||
}
|
||
var match = code
|
||
.replace(rrexpstr, "")
|
||
.replace(rsplit, ",")
|
||
.replace(rkeywords, "")
|
||
.replace(rnumber, "")
|
||
.replace(rcomma, "")
|
||
.split(/^$|,+/)
|
||
return variablePool.put(key, uniqSet(match))
|
||
}
|
||
/*添加赋值语句*/
|
||
|
||
function addAssign(vars, scope, name, data) {
|
||
var ret = [],
|
||
prefix = " = " + name + "."
|
||
var isProxy = /\$proxy\$each/.test(scope.$id)
|
||
for (var i = vars.length, prop; prop = vars[--i]; ) {
|
||
var el = isProxy && scope.$map[prop] ? "el" : prop
|
||
if (scope.hasOwnProperty(el)) {
|
||
ret.push(prop + prefix + el)
|
||
data.vars.push(prop)
|
||
if (data.type === "duplex") {
|
||
vars.get = name + "." + el
|
||
}
|
||
vars.splice(i, 1)
|
||
}
|
||
}
|
||
return ret
|
||
}
|
||
|
||
function uniqSet(array) {
|
||
var ret = [],
|
||
unique = {}
|
||
for (var i = 0; i < array.length; i++) {
|
||
var el = array[i]
|
||
var id = el && typeof el.$id === "string" ? el.$id : el
|
||
if (!unique[id]) {
|
||
unique[id] = ret.push(el)
|
||
}
|
||
}
|
||
return ret
|
||
}
|
||
//缓存求值函数，以便多次利用
|
||
var evaluatorPool = new Cache(128)
|
||
//取得求值函数及其传参
|
||
var rduplex = /\w\[.*\]|\w\.\w/
|
||
var rproxy = /(\$proxy\$[a-z]+)\d+$/
|
||
var rthimRightParentheses = /\)\s*$/
|
||
var rthimOtherParentheses = /\)\s*\|/g
|
||
var rquoteFilterName = /\|\s*([$\w]+)/g
|
||
var rpatchBracket = /"\s*\["/g
|
||
var rthimLeftParentheses = /"\s*\(/g
|
||
function parseFilter(val, filters) {
|
||
filters = filters
|
||
.replace(rthimRightParentheses, "")//处理最后的小括号
|
||
.replace(rthimOtherParentheses, function () {//处理其他小括号
|
||
return "],|"
|
||
})
|
||
.replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字
|
||
return "[" + quote(b)
|
||
})
|
||
.replace(rpatchBracket, function () {
|
||
return '"],["'
|
||
})
|
||
.replace(rthimLeftParentheses, function () {
|
||
return '",'
|
||
}) + "]"
|
||
return "return avalon.filters.$filter(" + val + ", " + filters + ")"
|
||
}
|
||
|
||
function parseExpr(code, scopes, data) {
|
||
var dataType = data.type
|
||
var filters = data.filters || ""
|
||
var exprId = scopes.map(function (el) {
|
||
return String(el.$id).replace(rproxy, "$1")
|
||
}) + code + dataType + filters
|
||
var vars = getVariables(code).concat(),
|
||
assigns = [],
|
||
names = [],
|
||
args = [],
|
||
prefix = ""
|
||
//args 是一个对象数组， names 是将要生成的求值函数的参数
|
||
scopes = uniqSet(scopes)
|
||
data.vars = []
|
||
for (var i = 0, sn = scopes.length; i < sn; i++) {
|
||
if (vars.length) {
|
||
var name = "vm" + expose + "_" + i
|
||
names.push(name)
|
||
args.push(scopes[i])
|
||
assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data))
|
||
}
|
||
}
|
||
if (!assigns.length && dataType === "duplex") {
|
||
return
|
||
}
|
||
if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) {
|
||
//https://github.com/RubyLouvre/avalon/issues/583
|
||
data.vars.forEach(function (v) {
|
||
var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig")
|
||
code = code.replace(reg, function (_) {
|
||
var c = _.charAt(v.length)
|
||
var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext
|
||
var method = /^\s*\(/.test(r)
|
||
if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx
|
||
var name = "var" + String(Math.random()).replace(/^0\./, "")
|
||
if (method) {//array.size()
|
||
var array = _.split(".")
|
||
if (array.length > 2) {
|
||
var last = array.pop()
|
||
assigns.push(name + " = " + array.join("."))
|
||
return name + "." + last
|
||
} else {
|
||
return _
|
||
}
|
||
}
|
||
assigns.push(name + " = " + _)
|
||
return name
|
||
} else {
|
||
return _
|
||
}
|
||
})
|
||
})
|
||
}
|
||
//---------------args----------------
|
||
data.args = args
|
||
//---------------cache----------------
|
||
delete data.vars
|
||
var fn = evaluatorPool.get(exprId) //直接从缓存，免得重复生成
|
||
if (fn) {
|
||
data.evaluator = fn
|
||
return
|
||
}
|
||
prefix = assigns.join(", ")
|
||
if (prefix) {
|
||
prefix = "var " + prefix
|
||
}
|
||
if (/\S/.test(filters)) { //文本绑定，双工绑定才有过滤器
|
||
if (!/text|html/.test(data.type)) {
|
||
throw Error("ms-" + data.type + "不支持过滤器")
|
||
}
|
||
code = "\nvar ret" + expose + " = " + code + ";\r\n"
|
||
code += parseFilter("ret" + expose, filters)
|
||
} else if (dataType === "duplex") { //双工绑定
|
||
var _body = "'use strict';\nreturn function(vvv){\n\t" +
|
||
prefix +
|
||
";\n\tif(!arguments.length){\n\t\treturn " +
|
||
code +
|
||
"\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) +
|
||
"= vvv;\n} "
|
||
try {
|
||
fn = Function.apply(noop, names.concat(_body))
|
||
data.evaluator = evaluatorPool.put(exprId, fn)
|
||
} catch (e) {
|
||
log("debug: parse error," + e.message)
|
||
}
|
||
return
|
||
} else if (dataType === "on") { //事件绑定
|
||
if (code.indexOf("(") === -1) {
|
||
code += ".call(this, $event)"
|
||
} else {
|
||
code = code.replace("(", ".call(this,")
|
||
}
|
||
names.push("$event")
|
||
code = "\nreturn " + code + ";" //IE全家 Function("return ")出错，需要Function("return ;")
|
||
var lastIndex = code.lastIndexOf("\nreturn")
|
||
var header = code.slice(0, lastIndex)
|
||
var footer = code.slice(lastIndex)
|
||
code = header + "\n" + footer
|
||
} else { //其他绑定
|
||
code = "\nreturn " + code + ";" //IE全家 Function("return ")出错，需要Function("return ;")
|
||
}
|
||
try {
|
||
fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code))
|
||
data.evaluator = evaluatorPool.put(exprId, fn)
|
||
} catch (e) {
|
||
log("debug: parse error," + e.message)
|
||
} finally {
|
||
vars = assigns = names = null //释放内存
|
||
}
|
||
}
|
||
|
||
|
||
//parseExpr的智能引用代理
|
||
|
||
function parseExprProxy(code, scopes, data, tokens, noRegister) {
|
||
if (Array.isArray(tokens)) {
|
||
code = tokens.map(function (el) {
|
||
return el.expr ? "(" + el.value + ")" : quote(el.value)
|
||
}).join(" + ")
|
||
}
|
||
parseExpr(code, scopes, data)
|
||
if (data.evaluator && !noRegister) {
|
||
data.handler = bindingExecutors[data.handlerName || data.type]
|
||
//方便调试
|
||
//这里非常重要,我们通过判定视图刷新函数的element是否在DOM树决定
|
||
//将它移出订阅者列表
|
||
avalon.injectBinding(data)
|
||
}
|
||
}
|
||
avalon.parseExprProxy = parseExprProxy
|
||
/*********************************************************************
|
||
* 扫描系统 *
|
||
**********************************************************************/
|
||
|
||
avalon.scan = function(elem, vmodel) {
|
||
elem = elem || root
|
||
var vmodels = vmodel ? [].concat(vmodel) : []
|
||
scanTag(elem, vmodels)
|
||
}
|
||
|
||
//http://www.w3.org/TR/html5/syntax.html#void-elements
|
||
var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase())
|
||
|
||
function checkScan(elem, callback, innerHTML) {
|
||
var id = setTimeout(function() {
|
||
var currHTML = elem.innerHTML
|
||
clearTimeout(id)
|
||
if (currHTML === innerHTML) {
|
||
callback()
|
||
} else {
|
||
checkScan(elem, callback, currHTML)
|
||
}
|
||
})
|
||
}
|
||
|
||
|
||
function createSignalTower(elem, vmodel) {
|
||
var id = elem.getAttribute("avalonctrl") || vmodel.$id
|
||
elem.setAttribute("avalonctrl", id)
|
||
vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]'
|
||
}
|
||
|
||
var getBindingCallback = function(elem, name, vmodels) {
|
||
var callback = elem.getAttribute(name)
|
||
if (callback) {
|
||
for (var i = 0, vm; vm = vmodels[i++]; ) {
|
||
if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") {
|
||
return vm[callback]
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function executeBindings(bindings, vmodels) {
|
||
for (var i = 0, data; data = bindings[i++]; ) {
|
||
data.vmodels = vmodels
|
||
bindingHandlers[data.type](data, vmodels)
|
||
if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定，防止被二次解析
|
||
//chrome使用removeAttributeNode移除不存在的特性节点时会报错 https://github.com/RubyLouvre/avalon/issues/99
|
||
data.element.removeAttribute(data.name)
|
||
}
|
||
}
|
||
bindings.length = 0
|
||
}
|
||
|
||
//https://github.com/RubyLouvre/avalon/issues/636
|
||
var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) {
|
||
var node = elem.firstChild, text
|
||
while (node) {
|
||
var aaa = node.nextSibling
|
||
if (node.nodeType === 3) {
|
||
if (text) {
|
||
text.nodeValue += node.nodeValue
|
||
elem.removeChild(node)
|
||
} else {
|
||
text = node
|
||
}
|
||
} else {
|
||
text = null
|
||
}
|
||
node = aaa
|
||
}
|
||
} : 0
|
||
|
||
var rmsAttr = /ms-(\w+)-?(.*)/
|
||
var priorityMap = {
|
||
"if": 10,
|
||
"repeat": 90,
|
||
"data": 100,
|
||
"widget": 110,
|
||
"each": 1400,
|
||
"with": 1500,
|
||
"duplex": 2000,
|
||
"on": 3000
|
||
}
|
||
|
||
var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit")
|
||
var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled")
|
||
function bindingSorter(a, b) {
|
||
return a.priority - b.priority
|
||
}
|
||
|
||
function scanAttr(elem, vmodels, match) {
|
||
var scanNode = true
|
||
if (vmodels.length) {
|
||
var attributes = getAttributes ? getAttributes(elem) : elem.attributes
|
||
var bindings = []
|
||
var fixAttrs = []
|
||
var msData = {}
|
||
for (var i = 0, attr; attr = attributes[i++]; ) {
|
||
if (attr.specified) {
|
||
if (match = attr.name.match(rmsAttr)) {
|
||
//如果是以指定前缀命名的
|
||
var type = match[1]
|
||
var param = match[2] || ""
|
||
var value = attr.value
|
||
var name = attr.name
|
||
if (events[type]) {
|
||
param = type
|
||
type = "on"
|
||
} else if (obsoleteAttrs[type]) {
|
||
if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替
|
||
log("warning!ms-enabled或ms-attr-enabled已经被废弃")
|
||
type = "disabled"
|
||
value = "!(" + value + ")"
|
||
}
|
||
param = type
|
||
type = "attr"
|
||
name = "ms-" + type + "-"+ param
|
||
fixAttrs.push([attr.name, name, value])
|
||
}
|
||
msData[name] = value
|
||
if (typeof bindingHandlers[type] === "function") {
|
||
var binding = {
|
||
type: type,
|
||
param: param,
|
||
element: elem,
|
||
name: name,
|
||
value: value,
|
||
//chrome与firefox下Number(param)得到的值不一样 #855
|
||
priority: (priorityMap[type] || type.charCodeAt(0) * 10 )+ (Number(param.replace(/\D/g, "")) || 0)
|
||
}
|
||
if (type === "html" || type === "text") {
|
||
var token = getToken(value)
|
||
avalon.mix(binding, token)
|
||
binding.filters = binding.filters.replace(rhasHtml, function () {
|
||
binding.type = "html"
|
||
binding.group = 1
|
||
return ""
|
||
})// jshint ignore:line
|
||
} else if (type === "duplex") {
|
||
var hasDuplex = name
|
||
} else if (name === "ms-if-loop") {
|
||
binding.priority += 100
|
||
}
|
||
bindings.push(binding)
|
||
if (type === "widget") {
|
||
elem.msData = elem.msData || msData
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (bindings.length) {
|
||
bindings.sort(bindingSorter)
|
||
fixAttrs.forEach(function (arr) {
|
||
log("warning!请改用" + arr[1] + "代替" + arr[0] + "!")
|
||
elem.removeAttribute(arr[0])
|
||
elem.setAttribute(arr[1], arr[2])
|
||
})
|
||
//http://bugs.jquery.com/ticket/7071
|
||
//在IE下对VML读取type属性,会让此元素所有属性都变成<Failed>
|
||
if (hasDuplex) {
|
||
if (msData["ms-attr-checked"]) {
|
||
log("warning!一个控件不能同时定义ms-attr-checked与" + hasDuplex)
|
||
}
|
||
if (msData["ms-attr-value"]) {
|
||
log("warning!一个控件不能同时定义ms-attr-value与" + hasDuplex)
|
||
}
|
||
}
|
||
for (i = 0; binding = bindings[i]; i++) {
|
||
type = binding.type
|
||
if (rnoscanAttrBinding.test(type)) {
|
||
return executeBindings(bindings.slice(0, i + 1), vmodels)
|
||
} else if (scanNode) {
|
||
scanNode = !rnoscanNodeBinding.test(type)
|
||
}
|
||
}
|
||
executeBindings(bindings, vmodels)
|
||
}
|
||
}
|
||
if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML.replace(rlt, "<").replace(rgt, ">"))) {
|
||
mergeTextNodes && mergeTextNodes(elem)
|
||
scanNodeList(elem, vmodels) //扫描子孙元素
|
||
}
|
||
}
|
||
|
||
var rnoscanAttrBinding = /^if|widget|repeat$/
|
||
var rnoscanNodeBinding = /^each|with|html|include$/
|
||
//IE67下，在循环绑定中，一个节点如果是通过cloneNode得到，自定义属性的specified为false，无法进入里面的分支，
|
||
//但如果我们去掉scanAttr中的attr.specified检测，一个元素会有80+个特性节点（因为它不区分固有属性与自定义属性），很容易卡死页面
|
||
if (!"1" [0]) {
|
||
var attrPool = new Cache(512)
|
||
var rattrs = /\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,
|
||
rquote = /^['"]/,
|
||
rtag = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,
|
||
ramp = /&/g
|
||
//IE6-8解析HTML5新标签，会将它分解两个元素节点与一个文本节点
|
||
//<body><section>ddd</section></body>
|
||
// window.onload = function() {
|
||
// var body = document.body
|
||
// for (var i = 0, el; el = body.children[i++]; ) {
|
||
// avalon.log(el.outerHTML)
|
||
// }
|
||
// }
|
||
//依次输出<SECTION>, </SECTION>
|
||
var getAttributes = function (elem) {
|
||
var html = elem.outerHTML
|
||
//处理IE6-8解析HTML5新标签的情况，及<br>等半闭合标签outerHTML为空的情况
|
||
if (html.slice(0, 2) === "</" || !html.trim()) {
|
||
return []
|
||
}
|
||
var str = html.match(rtag)[0]
|
||
var attributes = [],
|
||
match,
|
||
k, v
|
||
var ret = attrPool.get(str)
|
||
if (ret) {
|
||
return ret
|
||
}
|
||
while (k = rattrs.exec(str)) {
|
||
v = k[2]
|
||
if (v) {
|
||
v = (rquote.test(v) ? v.slice(1, -1) : v).replace(ramp, "&")
|
||
}
|
||
var name = k[1].toLowerCase()
|
||
match = name.match(rmsAttr)
|
||
var binding = {
|
||
name: name,
|
||
specified: true,
|
||
value: v || ""
|
||
}
|
||
attributes.push(binding)
|
||
}
|
||
return attrPool.put(str, attributes)
|
||
}
|
||
}
|
||
|
||
//function scanNodeList(parent, vmodels) {
|
||
// var node = parent.firstChild
|
||
// while (node) {
|
||
// var nextNode = node.nextSibling
|
||
// scanNode(node, node.nodeType, vmodels)
|
||
// node = nextNode
|
||
// }
|
||
//}
|
||
function scanNodeList(parent, vmodels) {
|
||
var nodes = avalon.slice(parent.childNodes)
|
||
scanNodeArray(nodes, vmodels)
|
||
}
|
||
|
||
function scanNodeArray(nodes, vmodels) {
|
||
for (var i = 0, node; node = nodes[i++]; ) {
|
||
scanNode(node, node.nodeType, vmodels)
|
||
}
|
||
}
|
||
function scanNode(node, nodeType, vmodels) {
|
||
if (nodeType === 1) {
|
||
scanTag(node, vmodels) //扫描元素节点
|
||
if( node.msCallback){
|
||
node.msCallback()
|
||
node.msCallback = void 0
|
||
}
|
||
} else if (nodeType === 3 && rexpr.test(node.data)){
|
||
scanText(node, vmodels) //扫描文本节点
|
||
} else if (kernel.commentInterpolate && nodeType === 8 && !rexpr.test(node.nodeValue)) {
|
||
scanText(node, vmodels) //扫描注释节点
|
||
}
|
||
}
|
||
function scanTag(elem, vmodels, node) {
|
||
//扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100)
|
||
//--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后
|
||
var a = elem.getAttribute("ms-skip")
|
||
//#360 在旧式IE中 Object标签在引入Flash等资源时,可能出现没有getAttributeNode,innerHTML的情形
|
||
if (!elem.getAttributeNode) {
|
||
return log("warning " + elem.tagName + " no getAttributeNode method")
|
||
}
|
||
var b = elem.getAttributeNode("ms-important")
|
||
var c = elem.getAttributeNode("ms-controller")
|
||
if (typeof a === "string") {
|
||
return
|
||
} else if (node = b || c) {
|
||
var newVmodel = avalon.vmodels[node.value]
|
||
if (!newVmodel) {
|
||
return
|
||
}
|
||
//ms-important不包含父VM，ms-controller相反
|
||
vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels)
|
||
var name = node.name
|
||
elem.removeAttribute(name) //removeAttributeNode不会刷新[ms-controller]样式规则
|
||
avalon(elem).removeClass(name)
|
||
createSignalTower(elem, newVmodel)
|
||
}
|
||
scanAttr(elem, vmodels) //扫描特性节点
|
||
}
|
||
var rhasHtml = /\|\s*html\s*/,
|
||
r11a = /\|\|/g,
|
||
rlt = /</g,
|
||
rgt = />/g,
|
||
rstringLiteral = /(['"])(\\\1|.)+?\1/g
|
||
function getToken(value, pos) {
|
||
if (value.indexOf("|") > 0) {
|
||
var scapegoat = value.replace( rstringLiteral, function(_){
|
||
return Array(_.length+1).join("1")// jshint ignore:line
|
||
})
|
||
var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或
|
||
if (index > -1) {
|
||
return {
|
||
filters: value.slice(index),
|
||
value: value.slice(0, index),
|
||
pos: pos || 0,
|
||
expr: true
|
||
}
|
||
}
|
||
}
|
||
return {
|
||
value: value,
|
||
filters: "",
|
||
expr: true
|
||
}
|
||
}
|
||
|
||
function scanExpr(str) {
|
||
var tokens = [],
|
||
value, start = 0,
|
||
stop
|
||
do {
|
||
stop = str.indexOf(openTag, start)
|
||
if (stop === -1) {
|
||
break
|
||
}
|
||
value = str.slice(start, stop)
|
||
if (value) { // {{ 左边的文本
|
||
tokens.push({
|
||
value: value,
|
||
filters: "",
|
||
expr: false
|
||
})
|
||
}
|
||
start = stop + openTag.length
|
||
stop = str.indexOf(closeTag, start)
|
||
if (stop === -1) {
|
||
break
|
||
}
|
||
value = str.slice(start, stop)
|
||
if (value) { //处理{{ }}插值表达式
|
||
tokens.push(getToken(value, start))
|
||
}
|
||
start = stop + closeTag.length
|
||
} while (1)
|
||
value = str.slice(start)
|
||
if (value) { //}} 右边的文本
|
||
tokens.push({
|
||
value: value,
|
||
expr: false,
|
||
filters: ""
|
||
})
|
||
}
|
||
return tokens
|
||
}
|
||
|
||
function scanText(textNode, vmodels) {
|
||
var bindings = []
|
||
if (textNode.nodeType === 8) {
|
||
var token = getToken(textNode.nodeValue)
|
||
var tokens = [token]
|
||
} else {
|
||
tokens = scanExpr(textNode.data)
|
||
}
|
||
if (tokens.length) {
|
||
for (var i = 0; token = tokens[i++]; ) {
|
||
var node = DOC.createTextNode(token.value) //将文本转换为文本节点，并替换原来的文本节点
|
||
if (token.expr) {
|
||
token.type = "text"
|
||
token.element = node
|
||
token.filters = token.filters.replace(rhasHtml, function() {
|
||
token.type = "html"
|
||
return ""
|
||
})// jshint ignore:line
|
||
bindings.push(token) //收集带有插值表达式的文本
|
||
}
|
||
avalonFragment.appendChild(node)
|
||
}
|
||
textNode.parentNode.replaceChild(avalonFragment, textNode)
|
||
if (bindings.length)
|
||
executeBindings(bindings, vmodels)
|
||
}
|
||
}
|
||
|
||
var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls",
|
||
"declare,disabled,defer,defaultChecked,defaultSelected",
|
||
"contentEditable,isMap,loop,multiple,noHref,noResize,noShade",
|
||
"open,readOnly,selected"
|
||
].join(",")
|
||
var boolMap = {}
|
||
bools.replace(rword, function(name) {
|
||
boolMap[name.toLowerCase()] = name
|
||
})
|
||
|
||
var propMap = { //属性名映射
|
||
"accept-charset": "acceptCharset",
|
||
"char": "ch",
|
||
"charoff": "chOff",
|
||
"class": "className",
|
||
"for": "htmlFor",
|
||
"http-equiv": "httpEquiv"
|
||
}
|
||
|
||
var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan",
|
||
"dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight",
|
||
"rowSpan,tabIndex,useMap,vSpace,valueType,vAlign"
|
||
].join(",")
|
||
anomaly.replace(rword, function(name) {
|
||
propMap[name.toLowerCase()] = name
|
||
})
|
||
|
||
var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img
|
||
var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im
|
||
|
||
var getXHR = function() {
|
||
return new(window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line
|
||
}
|
||
|
||
var templatePool = avalon.templateCache = {}
|
||
|
||
bindingHandlers.attr = function(data, vmodels) {
|
||
var text = data.value.trim(),
|
||
simple = true
|
||
if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) {
|
||
simple = false
|
||
if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") {
|
||
simple = true
|
||
text = RegExp.$1
|
||
}
|
||
}
|
||
if (data.type === "include") {
|
||
var elem = data.element
|
||
data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels)
|
||
data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels)
|
||
var outer = data.includeReplace = !! avalon(elem).data("includeReplace")
|
||
if (avalon(elem).data("includeCache")) {
|
||
data.templateCache = {}
|
||
}
|
||
data.startInclude = DOC.createComment("ms-include")
|
||
data.endInclude = DOC.createComment("ms-include-end")
|
||
if (outer) {
|
||
data.element = data.startInclude
|
||
elem.parentNode.insertBefore(data.startInclude, elem)
|
||
elem.parentNode.insertBefore(data.endInclude, elem.nextSibling)
|
||
} else {
|
||
elem.insertBefore(data.startInclude, elem.firstChild)
|
||
elem.appendChild(data.endInclude)
|
||
}
|
||
}
|
||
data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况
|
||
parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value)))
|
||
}
|
||
|
||
bindingExecutors.attr = function(val, elem, data) {
|
||
var method = data.type,
|
||
attrName = data.param
|
||
if (method === "css") {
|
||
avalon(elem).css(attrName, val)
|
||
} else if (method === "attr") {
|
||
|
||
// ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc
|
||
// ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名
|
||
// ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性
|
||
var toRemove = (val === false) || (val === null) || (val === void 0)
|
||
|
||
if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射
|
||
attrName = propMap[attrName]
|
||
}
|
||
var bool = boolMap[attrName]
|
||
if (typeof elem[bool] === "boolean") {
|
||
elem[bool] = !! val //布尔属性必须使用el.xxx = true|false方式设值
|
||
if (!val) { //如果为false, IE全系列下相当于setAttribute(xxx,''),会影响到样式,需要进一步处理
|
||
toRemove = true
|
||
}
|
||
}
|
||
if (toRemove) {
|
||
return elem.removeAttribute(attrName)
|
||
}
|
||
//SVG只能使用setAttribute(xxx, yyy), VML只能使用elem.xxx = yyy ,HTML的固有属性必须elem.xxx = yyy
|
||
var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false)
|
||
if (isInnate) {
|
||
elem[attrName] = val
|
||
} else {
|
||
elem.setAttribute(attrName, val)
|
||
}
|
||
} else if (method === "include" && val) {
|
||
var vmodels = data.vmodels
|
||
var rendered = data.includeRendered
|
||
var loaded = data.includeLoaded
|
||
var replace = data.includeReplace
|
||
var target = replace ? elem.parentNode : elem
|
||
var scanTemplate = function(text) {
|
||
if (loaded) {
|
||
var newText = loaded.apply(target, [text].concat(vmodels))
|
||
if (typeof newText === "string")
|
||
text = newText
|
||
}
|
||
if (rendered) {
|
||
checkScan(target, function() {
|
||
rendered.call(target)
|
||
}, NaN)
|
||
}
|
||
var lastID = data.includeLastID
|
||
if (data.templateCache && lastID && lastID !== val) {
|
||
var lastTemplate = data.templateCache[lastID]
|
||
if (!lastTemplate) {
|
||
lastTemplate = data.templateCache[lastID] = DOC.createElement("div")
|
||
ifGroup.appendChild(lastTemplate)
|
||
}
|
||
}
|
||
data.includeLastID = val
|
||
while (true) {
|
||
var node = data.startInclude.nextSibling
|
||
if (node && node !== data.endInclude) {
|
||
target.removeChild(node)
|
||
if (lastTemplate)
|
||
lastTemplate.appendChild(node)
|
||
} else {
|
||
break
|
||
}
|
||
}
|
||
var dom = getTemplateNodes(data, val, text)
|
||
var nodes = avalon.slice(dom.childNodes)
|
||
target.insertBefore(dom, data.endInclude)
|
||
scanNodeArray(nodes, vmodels)
|
||
}
|
||
|
||
if (data.param === "src") {
|
||
if (typeof templatePool[val] === "string") {
|
||
avalon.nextTick(function() {
|
||
scanTemplate(templatePool[val])
|
||
})
|
||
} else if (Array.isArray(templatePool[val])) { //#805 防止在循环绑定中发出许多相同的请求
|
||
templatePool[val].push(scanTemplate)
|
||
} else {
|
||
var xhr = getXHR()
|
||
xhr.onreadystatechange = function() {
|
||
if (xhr.readyState === 4) {
|
||
var s = xhr.status
|
||
if (s >= 200 && s < 300 || s === 304 || s === 1223) {
|
||
var text = xhr.responseText
|
||
for (var f = 0, fn; fn = templatePool[val][f++];) {
|
||
fn(text)
|
||
}
|
||
templatePool[val] = text
|
||
}
|
||
}
|
||
}
|
||
templatePool[val] = [scanTemplate]
|
||
xhr.open("GET", val, true)
|
||
if ("withCredentials" in xhr) {
|
||
xhr.withCredentials = true
|
||
}
|
||
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
|
||
xhr.send(null)
|
||
}
|
||
} else {
|
||
//IE系列与够新的标准浏览器支持通过ID取得元素（firefox14+）
|
||
//http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/
|
||
var el = val && val.nodeType === 1 ? val : DOC.getElementById(val)
|
||
if (el) {
|
||
if (el.tagName === "NOSCRIPT" && !(el.innerHTML || el.fixIE78)) { //IE7-8 innerText,innerHTML都无法取得其内容，IE6能取得其innerHTML
|
||
xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容，它们的innerText可以
|
||
xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构
|
||
xhr.send(null)
|
||
//http://bbs.csdn.net/topics/390349046?page=1#post-393492653
|
||
var noscripts = DOC.getElementsByTagName("noscript")
|
||
var array = (xhr.responseText || "").match(rnoscripts) || []
|
||
var n = array.length
|
||
for (var i = 0; i < n; i++) {
|
||
var tag = noscripts[i]
|
||
if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的
|
||
tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug
|
||
tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1]
|
||
}
|
||
}
|
||
}
|
||
avalon.nextTick(function() {
|
||
scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML)
|
||
})
|
||
}
|
||
}
|
||
} else {
|
||
if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) {
|
||
val = val.replace(/&/g, "&") //处理IE67自动转义的问题
|
||
}
|
||
elem[method] = val
|
||
if (window.chrome && elem.tagName === "EMBED") {
|
||
var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求
|
||
var comment = document.createComment("ms-src")
|
||
parent.replaceChild(comment, elem)
|
||
parent.replaceChild(elem, comment)
|
||
}
|
||
}
|
||
}
|
||
|
||
function getTemplateNodes(data, id, text) {
|
||
var div = data.templateCache && data.templateCache[id]
|
||
if (div) {
|
||
var dom = DOC.createDocumentFragment(),
|
||
firstChild
|
||
while (firstChild = div.firstChild) {
|
||
dom.appendChild(firstChild)
|
||
}
|
||
return dom
|
||
}
|
||
return avalon.parseHTML(text)
|
||
}
|
||
|
||
//这几个指令都可以使用插值表达式，如ms-src="aaa/{{b}}/{{c}}.html"
|
||
"title,alt,src,value,css,include,href".replace(rword, function(name) {
|
||
bindingHandlers[name] = bindingHandlers.attr
|
||
})
|
||
//根据VM的属性值或表达式的值切换类名，ms-class="xxx yyy zzz:flag"
|
||
//http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html
|
||
bindingHandlers["class"] = function(data, vmodels) {
|
||
var oldStyle = data.param,
|
||
text = data.value,
|
||
rightExpr
|
||
data.handlerName = "class"
|
||
if (!oldStyle || isFinite(oldStyle)) {
|
||
data.param = "" //去掉数字
|
||
var noExpr = text.replace(rexprg, function(a) {
|
||
return a.replace(/./g, "0")
|
||
//return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位
|
||
})
|
||
var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置
|
||
if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况
|
||
var className = text
|
||
} else { // 比如 ms-class-1="ui-state-active:checked" 的情况
|
||
className = text.slice(0, colonIndex)
|
||
rightExpr = text.slice(colonIndex + 1)
|
||
parseExpr(rightExpr, vmodels, data) //决定是添加还是删除
|
||
if (!data.evaluator) {
|
||
log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中")
|
||
return false
|
||
} else {
|
||
data._evaluator = data.evaluator
|
||
data._args = data.args
|
||
}
|
||
}
|
||
var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况
|
||
if (!hasExpr) {
|
||
data.immobileClass = className
|
||
}
|
||
parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0))
|
||
} else {
|
||
data.immobileClass = data.oldStyle = data.param
|
||
parseExprProxy(text, vmodels, data)
|
||
}
|
||
}
|
||
|
||
bindingExecutors["class"] = function(val, elem, data) {
|
||
var $elem = avalon(elem),
|
||
method = data.type
|
||
if (method === "class" && data.oldStyle) { //如果是旧风格
|
||
$elem.toggleClass(data.oldStyle, !! val)
|
||
} else {
|
||
//如果存在冒号就有求值函数
|
||
data.toggleClass = data._evaluator ? !! data._evaluator.apply(elem, data._args) : true
|
||
data.newClass = data.immobileClass || val
|
||
if (data.oldClass && data.newClass !== data.oldClass) {
|
||
$elem.removeClass(data.oldClass)
|
||
}
|
||
data.oldClass = data.newClass
|
||
switch (method) {
|
||
case "class":
|
||
$elem.toggleClass(data.newClass, data.toggleClass)
|
||
break
|
||
case "hover":
|
||
case "active":
|
||
if (!data.hasBindEvent) { //确保只绑定一次
|
||
var activate = "mouseenter" //在移出移入时切换类名
|
||
var abandon = "mouseleave"
|
||
if (method === "active") { //在聚焦失焦中切换类名
|
||
elem.tabIndex = elem.tabIndex || -1
|
||
activate = "mousedown"
|
||
abandon = "mouseup"
|
||
var fn0 = $elem.bind("mouseleave", function() {
|
||
data.toggleClass && $elem.removeClass(data.newClass)
|
||
})
|
||
}
|
||
var fn1 = $elem.bind(activate, function() {
|
||
data.toggleClass && $elem.addClass(data.newClass)
|
||
})
|
||
var fn2 = $elem.bind(abandon, function() {
|
||
data.toggleClass && $elem.removeClass(data.newClass)
|
||
})
|
||
data.rollback = function() {
|
||
$elem.unbind("mouseleave", fn0)
|
||
$elem.unbind(activate, fn1)
|
||
$elem.unbind(abandon, fn2)
|
||
}
|
||
data.hasBindEvent = true
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
"hover,active".replace(rword, function(method) {
|
||
bindingHandlers[method] = bindingHandlers["class"]
|
||
})
|
||
//ms-controller绑定已经在scanTag 方法中实现
|
||
//ms-css绑定已由ms-attr绑定实现
|
||
|
||
|
||
// bindingHandlers.data 定义在if.js
|
||
bindingExecutors.data = function(val, elem, data) {
|
||
var key = "data-" + data.param
|
||
if (val && typeof val === "object") {
|
||
elem[key] = val
|
||
} else {
|
||
elem.setAttribute(key, String(val))
|
||
}
|
||
}
|
||
//双工绑定
|
||
var duplexBinding = bindingHandlers.duplex = function(data, vmodels) {
|
||
var elem = data.element,
|
||
hasCast
|
||
parseExprProxy(data.value, vmodels, data, 0, 1)
|
||
|
||
data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop
|
||
if (data.evaluator && data.args) {
|
||
var params = []
|
||
var casting = oneObject("string,number,boolean,checked")
|
||
if (elem.type === "radio" && data.param === "") {
|
||
data.param = "checked"
|
||
}
|
||
if (elem.msData) {
|
||
elem.msData["ms-duplex"] = data.value
|
||
}
|
||
data.param.replace(/\w+/g, function(name) {
|
||
if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) {
|
||
if (name === "radio")
|
||
log("ms-duplex-radio已经更名为ms-duplex-checked")
|
||
name = "checked"
|
||
data.isChecked = true
|
||
}
|
||
if (name === "bool") {
|
||
name = "boolean"
|
||
log("ms-duplex-bool已经更名为ms-duplex-boolean")
|
||
} else if (name === "text") {
|
||
name = "string"
|
||
log("ms-duplex-text已经更名为ms-duplex-string")
|
||
}
|
||
if (casting[name]) {
|
||
hasCast = true
|
||
}
|
||
avalon.Array.ensure(params, name)
|
||
})
|
||
if (!hasCast) {
|
||
params.push("string")
|
||
}
|
||
data.param = params.join("-")
|
||
data.bound = function(type, callback) {
|
||
if (elem.addEventListener) {
|
||
elem.addEventListener(type, callback, false)
|
||
} else {
|
||
elem.attachEvent("on" + type, callback)
|
||
}
|
||
var old = data.rollback
|
||
data.rollback = function() {
|
||
elem.avalonSetter = null
|
||
avalon.unbind(elem, type, callback)
|
||
old && old()
|
||
}
|
||
}
|
||
for (var i in avalon.vmodels) {
|
||
var v = avalon.vmodels[i]
|
||
v.$fire("avalon-ms-duplex-init", data)
|
||
}
|
||
var cpipe = data.pipe || (data.pipe = pipe)
|
||
cpipe(null, data, "init")
|
||
var tagName = elem.tagName
|
||
duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data)
|
||
}
|
||
}
|
||
//不存在 bindingExecutors.duplex
|
||
|
||
function fixNull(val) {
|
||
return val == null ? "" : val
|
||
}
|
||
avalon.duplexHooks = {
|
||
checked: {
|
||
get: function(val, data) {
|
||
return !data.element.oldValue
|
||
}
|
||
},
|
||
string: {
|
||
get: function(val) { //同步到VM
|
||
return val
|
||
},
|
||
set: fixNull
|
||
},
|
||
"boolean": {
|
||
get: function(val) {
|
||
return val === "true"
|
||
},
|
||
set: fixNull
|
||
},
|
||
number: {
|
||
get: function(val, data) {
|
||
var number = parseFloat(val)
|
||
if (-val === -number) {
|
||
return number
|
||
}
|
||
var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"]
|
||
switch (arr[0]) {
|
||
case "strong":
|
||
return 0
|
||
case "medium":
|
||
return val === "" ? "" : 0
|
||
case "weak":
|
||
return val
|
||
}
|
||
},
|
||
set: fixNull
|
||
}
|
||
}
|
||
|
||
function pipe(val, data, action, e) {
|
||
data.param.replace(/\w+/g, function(name) {
|
||
var hook = avalon.duplexHooks[name]
|
||
if (hook && typeof hook[action] === "function") {
|
||
val = hook[action](val, data)
|
||
}
|
||
})
|
||
return val
|
||
}
|
||
|
||
var TimerID, ribbon = []
|
||
|
||
avalon.tick = function(fn) {
|
||
if (ribbon.push(fn) === 1) {
|
||
TimerID = setInterval(ticker, 60)
|
||
}
|
||
}
|
||
|
||
function ticker() {
|
||
for (var n = ribbon.length - 1; n >= 0; n--) {
|
||
var el = ribbon[n]
|
||
if (el() === false) {
|
||
ribbon.splice(n, 1)
|
||
}
|
||
}
|
||
if (!ribbon.length) {
|
||
clearInterval(TimerID)
|
||
}
|
||
}
|
||
|
||
var watchValueInTimer = noop
|
||
var rmsinput = /text|password|hidden/
|
||
new function() { // jshint ignore:line
|
||
try { //#272 IE9-IE11, firefox
|
||
var setters = {}
|
||
var aproto = HTMLInputElement.prototype
|
||
var bproto = HTMLTextAreaElement.prototype
|
||
|
||
function newSetter(value) { // jshint ignore:line
|
||
if (avalon.optimize || this.parentNode) {
|
||
setters[this.tagName].call(this, value)
|
||
if (!rmsinput.test(this.type))
|
||
return
|
||
if (!this.msFocus && this.avalonSetter) {
|
||
this.avalonSetter()
|
||
}
|
||
}
|
||
}
|
||
var inputProto = HTMLInputElement.prototype
|
||
Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
|
||
setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set
|
||
Object.defineProperty(aproto, "value", {
|
||
set: newSetter
|
||
})
|
||
setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set
|
||
Object.defineProperty(bproto, "value", {
|
||
set: newSetter
|
||
})
|
||
} catch (e) {
|
||
//在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了
|
||
// http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
|
||
// https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
|
||
watchValueInTimer = avalon.tick
|
||
}
|
||
} // jshint ignore:line
|
||
if (IEVersion) {
|
||
avalon.bind(DOC, "selectionchange", function(e) {
|
||
var el = DOC.activeElement
|
||
if (el && typeof el.avalonSetter === "function") {
|
||
el.avalonSetter()
|
||
}
|
||
})
|
||
}
|
||
|
||
//处理radio, checkbox, text, textarea, password
|
||
duplexBinding.INPUT = function(element, evaluator, data) {
|
||
var $type = element.type,
|
||
bound = data.bound,
|
||
$elem = avalon(element),
|
||
composing = false
|
||
|
||
function callback(value) {
|
||
data.changed.call(this, value, data)
|
||
}
|
||
|
||
function compositionStart() {
|
||
composing = true
|
||
}
|
||
|
||
function compositionEnd() {
|
||
composing = false
|
||
}
|
||
//当value变化时改变model的值
|
||
var updateVModel = function() {
|
||
if (composing) //处理中文输入法在minlengh下引发的BUG
|
||
return
|
||
var val = element.oldValue = element.value //防止递归调用形成死循环
|
||
var lastValue = data.pipe(val, data, "get")
|
||
if ($elem.data("duplexObserve") !== false) {
|
||
evaluator(lastValue)
|
||
callback.call(element, lastValue)
|
||
if ($elem.data("duplex-focus")) {
|
||
avalon.nextTick(function() {
|
||
element.focus()
|
||
})
|
||
}
|
||
}
|
||
}
|
||
//当model变化时,它就会改变value的值
|
||
data.handler = function() {
|
||
var val = data.pipe(evaluator(), data, "set") + "" //fix #673
|
||
if (val !== element.oldValue) {
|
||
element.value = val
|
||
}
|
||
}
|
||
if (data.isChecked || $type === "radio") {
|
||
var IE6 = IEVersion === 6
|
||
updateVModel = function() {
|
||
if ($elem.data("duplexObserve") !== false) {
|
||
var lastValue = data.pipe(element.value, data, "get")
|
||
evaluator(lastValue)
|
||
callback.call(element, lastValue)
|
||
}
|
||
}
|
||
data.handler = function() {
|
||
var val = evaluator()
|
||
var checked = data.isChecked ? !! val : val + "" === element.value
|
||
element.oldValue = checked
|
||
if (IE6) {
|
||
setTimeout(function() {
|
||
//IE8 checkbox, radio是使用defaultChecked控制选中状态，
|
||
//并且要先设置defaultChecked后设置checked
|
||
//并且必须设置延迟
|
||
element.defaultChecked = checked
|
||
element.checked = checked
|
||
}, 31)
|
||
} else {
|
||
element.checked = checked
|
||
}
|
||
}
|
||
bound("click", updateVModel)
|
||
} else if ($type === "checkbox") {
|
||
updateVModel = function() {
|
||
if ($elem.data("duplexObserve") !== false) {
|
||
var method = element.checked ? "ensure" : "remove"
|
||
var array = evaluator()
|
||
if (!Array.isArray(array)) {
|
||
log("ms-duplex应用于checkbox上要对应一个数组")
|
||
array = [array]
|
||
}
|
||
avalon.Array[method](array, data.pipe(element.value, data, "get"))
|
||
callback.call(element, array)
|
||
}
|
||
}
|
||
|
||
data.handler = function() {
|
||
var array = [].concat(evaluator()) //强制转换为数组
|
||
element.checked = array.indexOf(data.pipe(element.value, data, "get")) > -1
|
||
}
|
||
bound(W3C ? "change" : "click", updateVModel)
|
||
} else {
|
||
var events = element.getAttribute("data-duplex-event") || "input"
|
||
if (element.attributes["data-event"]) {
|
||
log("data-event指令已经废弃，请改用data-duplex-event")
|
||
}
|
||
|
||
function delay(e) { // jshint ignore:line
|
||
setTimeout(function() {
|
||
updateVModel(e)
|
||
})
|
||
}
|
||
events.replace(rword, function(name) {
|
||
switch (name) {
|
||
case "input":
|
||
if (!IEVersion) { // W3C
|
||
bound("input", updateVModel)
|
||
//非IE浏览器才用这个
|
||
bound("compositionstart", compositionStart)
|
||
bound("compositionend", compositionEnd)
|
||
bound("DOMAutoComplete", updateVModel)
|
||
} else { //onpropertychange事件无法区分是程序触发还是用户触发
|
||
// IE下通过selectionchange事件监听IE9+点击input右边的X的清空行为，及粘贴，剪切，删除行为
|
||
if (IEVersion > 8) {
|
||
bound("input", updateVModel) //IE9使用propertychange无法监听中文输入改动
|
||
} else {
|
||
bound("propertychange", function(e) { //IE6-8下第一次修改时不会触发,需要使用keydown或selectionchange修正
|
||
if (e.propertyName === "value") {
|
||
updateVModel()
|
||
}
|
||
})
|
||
}
|
||
bound("dragend", delay)
|
||
//http://www.cnblogs.com/rubylouvre/archive/2013/02/17/2914604.html
|
||
//http://www.matts411.com/post/internet-explorer-9-oninput/
|
||
}
|
||
break
|
||
default:
|
||
bound(name, updateVModel)
|
||
break
|
||
}
|
||
})
|
||
bound("focus", function() {
|
||
element.msFocus = true
|
||
})
|
||
bound("blur", function() {
|
||
element.msFocus = false
|
||
})
|
||
|
||
if (rmsinput.test($type)) {
|
||
watchValueInTimer(function() {
|
||
if (avalon.optimize || element.parentNode) {
|
||
if (!element.msFocus && element.oldValue !== element.value) {
|
||
updateVModel()
|
||
}
|
||
} else if (!element.msRetain) {
|
||
return false
|
||
}
|
||
})
|
||
}
|
||
|
||
element.avalonSetter = updateVModel //#765
|
||
}
|
||
|
||
element.oldValue = element.value
|
||
avalon.injectBinding(data)
|
||
callback.call(element, element.value)
|
||
}
|
||
duplexBinding.TEXTAREA = duplexBinding.INPUT
|
||
duplexBinding.SELECT = function(element, evaluator, data) {
|
||
var $elem = avalon(element)
|
||
|
||
function updateVModel() {
|
||
if ($elem.data("duplexObserve") !== false) {
|
||
var val = $elem.val() //字符串或字符串数组
|
||
if (Array.isArray(val)) {
|
||
val = val.map(function(v) {
|
||
return data.pipe(v, data, "get")
|
||
})
|
||
} else {
|
||
val = data.pipe(val, data, "get")
|
||
}
|
||
if (val + "" !== element.oldValue) {
|
||
evaluator(val)
|
||
}
|
||
data.changed.call(element, val, data)
|
||
}
|
||
}
|
||
data.handler = function() {
|
||
var val = evaluator()
|
||
val = val && val.$model || val
|
||
if (Array.isArray(val)) {
|
||
if (!element.multiple) {
|
||
log("ms-duplex在<select multiple=true>上要求对应一个数组")
|
||
}
|
||
} else {
|
||
if (element.multiple) {
|
||
log("ms-duplex在<select multiple=false>不能对应一个数组")
|
||
}
|
||
}
|
||
//必须变成字符串后才能比较
|
||
val = Array.isArray(val) ? val.map(String) : val + ""
|
||
if (val + "" !== element.oldValue) {
|
||
$elem.val(val)
|
||
element.oldValue = val + ""
|
||
}
|
||
}
|
||
data.bound("change", updateVModel)
|
||
element.msCallback = function() {
|
||
avalon.injectBinding(data)
|
||
data.changed.call(element, evaluator(), data)
|
||
}
|
||
}
|
||
// bindingHandlers.html 定义在if.js
|
||
bindingExecutors.html = function (val, elem, data) {
|
||
var isHtmlFilter = elem.nodeType !== 1
|
||
var parent = isHtmlFilter ? elem.parentNode : elem
|
||
if (!parent)
|
||
return
|
||
val = val == null ? "" : val
|
||
if (data.oldText !== val) {
|
||
data.oldText = val
|
||
} else {
|
||
return
|
||
}
|
||
if (elem.nodeType === 3) {
|
||
var signature = generateID("html")
|
||
parent.insertBefore(DOC.createComment(signature), elem)
|
||
data.element = DOC.createComment(signature + ":end")
|
||
parent.replaceChild(data.element, elem)
|
||
elem = data.element
|
||
}
|
||
if (typeof val !== "object") {//string, number, boolean
|
||
var fragment = avalon.parseHTML(String(val))
|
||
} else if (val.nodeType === 11) { //将val转换为文档碎片
|
||
fragment = val
|
||
} else if (val.nodeType === 1 || val.item) {
|
||
var nodes = val.nodeType === 1 ? val.childNodes : val.item
|
||
fragment = avalonFragment.cloneNode(true)
|
||
while (nodes[0]) {
|
||
fragment.appendChild(nodes[0])
|
||
}
|
||
}
|
||
|
||
nodes = avalon.slice(fragment.childNodes)
|
||
//插入占位符, 如果是过滤器,需要有节制地移除指定的数量,如果是html指令,直接清空
|
||
if (isHtmlFilter) {
|
||
var endValue = elem.nodeValue.slice(0, -4)
|
||
while (true) {
|
||
var node = elem.previousSibling
|
||
if (!node || node.nodeType === 8 && node.nodeValue === endValue) {
|
||
break
|
||
} else {
|
||
parent.removeChild(node)
|
||
}
|
||
}
|
||
parent.insertBefore(fragment, elem)
|
||
} else {
|
||
avalon.clearHTML(elem).appendChild(fragment)
|
||
}
|
||
scanNodeArray(nodes, data.vmodels)
|
||
}
|
||
bindingHandlers["if"] =
|
||
bindingHandlers.data =
|
||
bindingHandlers.text =
|
||
bindingHandlers.html =
|
||
function(data, vmodels) {
|
||
parseExprProxy(data.value, vmodels, data)
|
||
}
|
||
|
||
bindingExecutors["if"] = function(val, elem, data) {
|
||
try {
|
||
if(!elem.parentNode) return
|
||
} catch(e) {return}
|
||
if (val) { //插回DOM树
|
||
if (elem.nodeType === 8) {
|
||
elem.parentNode.replaceChild(data.template, elem)
|
||
// animate.enter(data.template, elem.parentNode)
|
||
elem = data.element = data.template //这时可能为null
|
||
}
|
||
if (elem.getAttribute(data.name)) {
|
||
elem.removeAttribute(data.name)
|
||
scanAttr(elem, data.vmodels)
|
||
}
|
||
data.rollback = null
|
||
} else { //移出DOM树，并用注释节点占据原位置
|
||
if (elem.nodeType === 1) {
|
||
var node = data.element = DOC.createComment("ms-if")
|
||
elem.parentNode.replaceChild(node, elem)
|
||
// animate.leave(elem, node.parentNode, node)
|
||
data.template = elem //元素节点
|
||
ifGroup.appendChild(elem)
|
||
data.rollback = function() {
|
||
if (elem.parentNode === ifGroup) {
|
||
ifGroup.removeChild(elem)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
//ms-important绑定已经在scanTag 方法中实现
|
||
//ms-include绑定已由ms-attr绑定实现
|
||
|
||
var rdash = /\(([^)]*)\)/
|
||
bindingHandlers.on = function(data, vmodels) {
|
||
var value = data.value
|
||
data.type = "on"
|
||
var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
|
||
if (typeof bindingHandlers.on[eventType + "Hook"] === "function") {
|
||
bindingHandlers.on[eventType + "Hook"](data)
|
||
}
|
||
if (value.indexOf("(") > 0 && value.indexOf(")") > -1) {
|
||
var matched = (value.match(rdash) || ["", ""])[1].trim()
|
||
if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理
|
||
value = value.replace(rdash, "")
|
||
}
|
||
}
|
||
parseExprProxy(value, vmodels, data)
|
||
}
|
||
|
||
bindingExecutors.on = function(callback, elem, data) {
|
||
callback = function(e) {
|
||
var fn = data.evaluator || noop
|
||
return fn.apply(this, data.args.concat(e))
|
||
}
|
||
var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
|
||
if (eventType === "scan") {
|
||
callback.call(elem, {
|
||
type: eventType
|
||
})
|
||
} else if (typeof data.specialBind === "function") {
|
||
data.specialBind(elem, callback)
|
||
} else {
|
||
var removeFn = avalon.bind(elem, eventType, callback)
|
||
}
|
||
data.rollback = function() {
|
||
if (typeof data.specialUnbind === "function") {
|
||
data.specialUnbind()
|
||
} else {
|
||
avalon.unbind(elem, eventType, removeFn)
|
||
}
|
||
}
|
||
}
|
||
bindingHandlers.repeat = function (data, vmodels) {
|
||
var type = data.type
|
||
parseExprProxy(data.value, vmodels, data, 0, 1)
|
||
var freturn = false
|
||
try {
|
||
var $repeat = data.$repeat = data.evaluator.apply(0, data.args || [])
|
||
var xtype = avalon.type($repeat)
|
||
if (xtype !== "object" && xtype !== "array") {
|
||
freturn = true
|
||
avalon.log("warning:" + data.value + "只能是对象或数组")
|
||
}
|
||
} catch (e) {
|
||
freturn = true
|
||
}
|
||
var arr = data.value.split(".") || []
|
||
if (arr.length > 1) {
|
||
arr.pop()
|
||
var n = arr[0]
|
||
for (var i = 0, v; v = vmodels[i++]; ) {
|
||
if (v && v.hasOwnProperty(n)) {
|
||
var events = v[n].$events || {}
|
||
events[subscribers] = events[subscribers] || []
|
||
events[subscribers].push(data)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
var elem = data.element
|
||
if (elem.nodeType === 1) {
|
||
elem.removeAttribute(data.name)
|
||
data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels)
|
||
data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels)
|
||
var signature = generateID(type)
|
||
var start = DOC.createComment(signature)
|
||
var end = DOC.createComment(signature + ":end")
|
||
data.signature = signature
|
||
data.template = avalonFragment.cloneNode(false)
|
||
if (type === "repeat") {
|
||
var parent = elem.parentNode
|
||
parent.replaceChild(end, elem)
|
||
parent.insertBefore(start, end)
|
||
data.template.appendChild(elem)
|
||
} else {
|
||
while (elem.firstChild) {
|
||
data.template.appendChild(elem.firstChild)
|
||
}
|
||
elem.appendChild(start)
|
||
elem.appendChild(end)
|
||
}
|
||
data.element = end
|
||
data.handler = bindingExecutors.repeat
|
||
data.rollback = function () {
|
||
var elem = data.element
|
||
if (!elem)
|
||
return
|
||
data.handler("clear")
|
||
}
|
||
}
|
||
|
||
if (freturn) {
|
||
return
|
||
}
|
||
|
||
data.$outer = {}
|
||
var check0 = "$key"
|
||
var check1 = "$val"
|
||
if (Array.isArray($repeat)) {
|
||
if (!$repeat.$map) {
|
||
$repeat.$map = {
|
||
el: 1
|
||
}
|
||
var m = $repeat.length
|
||
var $proxy = []
|
||
for (i = 0; i < m; i++) {//生成代理VM
|
||
$proxy.push(eachProxyAgent(i, $repeat))
|
||
}
|
||
$repeat.$proxy = $proxy
|
||
}
|
||
$repeat.$map[data.param || "el"] = 1
|
||
check0 = "$first"
|
||
check1 = "$last"
|
||
}
|
||
for (i = 0; v = vmodels[i++]; ) {
|
||
if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
|
||
data.$outer = v
|
||
break
|
||
}
|
||
}
|
||
var $events = $repeat.$events
|
||
var $list = ($events || {})[subscribers]
|
||
injectDependency($list, data)
|
||
if (xtype === "object") {
|
||
data.$with = true
|
||
$repeat.$proxy || ($repeat.$proxy = {})
|
||
data.handler("append", $repeat)
|
||
} else if ($repeat.length) {
|
||
data.handler("add", 0, $repeat.length)
|
||
}
|
||
}
|
||
|
||
bindingExecutors.repeat = function (method, pos, el) {
|
||
if (method) {
|
||
var data = this, start, fragment
|
||
var end = data.element
|
||
var comments = getComments(data)
|
||
var parent = end.parentNode
|
||
var transation = avalonFragment.cloneNode(false)
|
||
switch (method) {
|
||
case "add": //在pos位置后添加el数组（pos为插入位置,el为要插入的个数）
|
||
var n = pos + el
|
||
var fragments = []
|
||
var array = data.$repeat
|
||
for (var i = pos; i < n; i++) {
|
||
var proxy = array.$proxy[i]
|
||
proxy.$outer = data.$outer
|
||
shimController(data, transation, proxy, fragments)
|
||
}
|
||
var now = new Date - 0
|
||
avalon.optimize = avalon.optimize || now
|
||
for (i = 0; fragment = fragments[i++]; ) {
|
||
scanNodeArray(fragment.nodes, fragment.vmodels)
|
||
fragment.nodes = fragment.vmodels = null
|
||
}
|
||
if(avalon.optimize === now){
|
||
delete avalon.optimize
|
||
}
|
||
parent.insertBefore(transation, comments[pos] || end)
|
||
avalon.profile("插入操作花费了 "+ (new Date - now))
|
||
break
|
||
case "del": //将pos后的el个元素删掉(pos, el都是数字)
|
||
sweepNodes(comments[pos], comments[pos + el] || end)
|
||
break
|
||
case "clear":
|
||
start = comments[0]
|
||
if (start) {
|
||
sweepNodes(start, end)
|
||
}
|
||
break
|
||
case "move":
|
||
start = comments[0]
|
||
if (start) {
|
||
var signature = start.nodeValue
|
||
var rooms = []
|
||
var room = [],
|
||
node
|
||
sweepNodes(start, end, function () {
|
||
room.unshift(this)
|
||
if (this.nodeValue === signature) {
|
||
rooms.unshift(room)
|
||
room = []
|
||
}
|
||
})
|
||
sortByIndex(rooms, pos)
|
||
while (room = rooms.shift()) {
|
||
while (node = room.shift()) {
|
||
transation.appendChild(node)
|
||
}
|
||
}
|
||
parent.insertBefore(transation, end)
|
||
}
|
||
break
|
||
case "append":
|
||
var object = pos //原来第2参数， 被循环对象
|
||
var pool = object.$proxy //代理对象组成的hash
|
||
var keys = []
|
||
fragments = []
|
||
for (var key in pool) {
|
||
if (!object.hasOwnProperty(key)) {
|
||
proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM
|
||
delete(pool[key])
|
||
}
|
||
}
|
||
for (key in object) { //得到所有键名
|
||
if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") {
|
||
keys.push(key)
|
||
}
|
||
}
|
||
if (data.sortedCallback) { //如果有回调，则让它们排序
|
||
var keys2 = data.sortedCallback.call(parent, keys)
|
||
if (keys2 && Array.isArray(keys2) && keys2.length) {
|
||
keys = keys2
|
||
}
|
||
}
|
||
|
||
for (i = 0; key = keys[i++]; ) {
|
||
if (key !== "hasOwnProperty") {
|
||
pool[key] = withProxyAgent(pool[key], key, data)
|
||
shimController(data, transation, pool[key], fragments)
|
||
}
|
||
}
|
||
|
||
parent.insertBefore(transation, end)
|
||
for (i = 0; fragment = fragments[i++]; ) {
|
||
scanNodeArray(fragment.nodes, fragment.vmodels)
|
||
fragment.nodes = fragment.vmodels = null
|
||
}
|
||
break
|
||
}
|
||
if (method === "clear")
|
||
method = "del"
|
||
var callback = data.renderedCallback || noop,
|
||
args = arguments
|
||
checkScan(parent, function () {
|
||
callback.apply(parent, args)
|
||
if (parent.oldValue && parent.tagName === "SELECT") { //fix #503
|
||
avalon(parent).val(parent.oldValue.split(","))
|
||
}
|
||
}, NaN)
|
||
}
|
||
}
|
||
|
||
"with,each".replace(rword, function (name) {
|
||
bindingHandlers[name] = bindingHandlers.repeat
|
||
})
|
||
avalon.pool = eachProxyPool
|
||
function shimController(data, transation, proxy, fragments) {
|
||
var content = data.template.cloneNode(true)
|
||
var nodes = avalon.slice(content.childNodes)
|
||
if (!data.$with) {
|
||
content.insertBefore(DOC.createComment(data.signature), content.firstChild)
|
||
}
|
||
transation.appendChild(content)
|
||
var nv = [proxy].concat(data.vmodels)
|
||
var fragment = {
|
||
nodes: nodes,
|
||
vmodels: nv
|
||
}
|
||
fragments.push(fragment)
|
||
}
|
||
|
||
function getComments(data) {
|
||
var end = data.element
|
||
var signature = end.nodeValue.replace(":end", "")
|
||
var node = end.previousSibling
|
||
var array = []
|
||
while (node) {
|
||
if (node.nodeValue === signature) {
|
||
array.unshift(node)
|
||
}
|
||
node = node.previousSibling
|
||
}
|
||
return array
|
||
}
|
||
|
||
|
||
//移除掉start与end之间的节点(保留end)
|
||
function sweepNodes(start, end, callback) {
|
||
while (true) {
|
||
var node = end.previousSibling
|
||
if (!node)
|
||
break
|
||
node.parentNode.removeChild(node)
|
||
callback && callback.call(node)
|
||
if (node === start) {
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
// 为ms-each,ms-with, ms-repeat会创建一个代理VM，
|
||
// 通过它们保持一个下上文，让用户能调用$index,$first,$last,$remove,$key,$val,$outer等属性与方法
|
||
// 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现
|
||
var withProxyPool = []
|
||
function withProxyFactory() {
|
||
var proxy = modelFactory({
|
||
$key: "",
|
||
$outer: {},
|
||
$host: {},
|
||
$val: {
|
||
get: function () {
|
||
return this.$host[this.$key]
|
||
},
|
||
set: function (val) {
|
||
this.$host[this.$key] = val
|
||
}
|
||
}
|
||
}, {
|
||
$val: 1
|
||
})
|
||
proxy.$id = generateID("$proxy$with")
|
||
return proxy
|
||
}
|
||
|
||
function withProxyAgent(proxy, key, data) {
|
||
proxy = proxy || withProxyPool.pop()
|
||
if (!proxy) {
|
||
proxy = withProxyFactory()
|
||
}
|
||
var host = data.$repeat
|
||
proxy.$key = key
|
||
proxy.$host = host
|
||
proxy.$outer = data.$outer
|
||
if (host.$events) {
|
||
proxy.$events.$val = host.$events[key]
|
||
} else {
|
||
proxy.$events = {}
|
||
}
|
||
return proxy
|
||
}
|
||
|
||
function eachProxyRecycler(proxies) {
|
||
proxies.forEach(function (proxy) {
|
||
proxyRecycler(proxy, eachProxyPool)
|
||
})
|
||
proxies.length = 0
|
||
}
|
||
|
||
function proxyRecycler(proxy, proxyPool) {
|
||
for (var i in proxy.$events) {
|
||
if (Array.isArray(proxy.$events[i])) {
|
||
proxy.$events[i].forEach(function (data) {
|
||
if (typeof data === "object")
|
||
disposeData(data)
|
||
})// jshint ignore:line
|
||
proxy.$events[i].length = 0
|
||
}
|
||
}
|
||
proxy.$host = proxy.$outer = {}
|
||
if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
|
||
proxyPool.pop()
|
||
}
|
||
}
|
||
/*********************************************************************
|
||
* 各种指令 *
|
||
**********************************************************************/
|
||
//ms-skip绑定已经在scanTag 方法中实现
|
||
// bindingHandlers.text 定义在if.js
|
||
bindingExecutors.text = function(val, elem) {
|
||
val = val == null ? "" : val //不在页面上显示undefined null
|
||
if (elem.nodeType === 3) { //绑定在文本节点上
|
||
try { //IE对游离于DOM树外的节点赋值会报错
|
||
elem.data = val
|
||
} catch (e) {}
|
||
} else { //绑定在特性节点上
|
||
if ("textContent" in elem) {
|
||
elem.textContent = val
|
||
} else {
|
||
elem.innerText = val
|
||
}
|
||
}
|
||
}
|
||
function parseDisplay(nodeName, val) {
|
||
//用于取得此类标签的默认display值
|
||
var key = "_" + nodeName
|
||
if (!parseDisplay[key]) {
|
||
var node = DOC.createElement(nodeName)
|
||
root.appendChild(node)
|
||
if (W3C) {
|
||
val = getComputedStyle(node, null).display
|
||
} else {
|
||
val = node.currentStyle.display
|
||
}
|
||
root.removeChild(node)
|
||
parseDisplay[key] = val
|
||
}
|
||
return parseDisplay[key]
|
||
}
|
||
|
||
avalon.parseDisplay = parseDisplay
|
||
|
||
bindingHandlers.visible = function(data, vmodels) {
|
||
var elem = avalon(data.element)
|
||
var display = elem.css("display")
|
||
if (display === "none") {
|
||
var style = elem[0].style
|
||
var has = /visibility/i.test(style.cssText)
|
||
var visible = elem.css("visibility")
|
||
style.display = ""
|
||
style.visibility = "hidden"
|
||
display = elem.css("display")
|
||
if (display === "none") {
|
||
display = parseDisplay(elem[0].nodeName)
|
||
}
|
||
style.visibility = has ? visible : ""
|
||
}
|
||
data.display = display
|
||
parseExprProxy(data.value, vmodels, data)
|
||
}
|
||
|
||
bindingExecutors.visible = function(val, elem, data) {
|
||
elem.style.display = val ? data.display : "none"
|
||
}
|
||
bindingHandlers.widget = function(data, vmodels) {
|
||
var args = data.value.match(rword)
|
||
var elem = data.element
|
||
var widget = args[0]
|
||
var id = args[1]
|
||
if (!id || id === "$") { //没有定义或为$时，取组件名+随机数
|
||
id = generateID(widget)
|
||
}
|
||
var optName = args[2] || widget //没有定义，取组件名
|
||
var constructor = avalon.ui[widget]
|
||
if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname"
|
||
vmodels = elem.vmodels || vmodels
|
||
for (var i = 0, v; v = vmodels[i++];) {
|
||
if (v.hasOwnProperty(optName) && typeof v[optName] === "object") {
|
||
var vmOptions = v[optName]
|
||
vmOptions = vmOptions.$model || vmOptions
|
||
break
|
||
}
|
||
}
|
||
if (vmOptions) {
|
||
var wid = vmOptions[widget + "Id"]
|
||
if (typeof wid === "string") {
|
||
log("warning!不再支持" + widget + "Id")
|
||
id = wid
|
||
}
|
||
}
|
||
//抽取data-tooltip-text、data-tooltip-attr属性，组成一个配置对象
|
||
var widgetData = avalon.getWidgetData(elem, widget)
|
||
data.value = [widget, id, optName].join(",")
|
||
data[widget + "Id"] = id
|
||
data.evaluator = noop
|
||
elem.msData["ms-widget-id"] = id
|
||
var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData)
|
||
elem.removeAttribute("ms-widget")
|
||
var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM
|
||
if (vmodel.$id) {
|
||
avalon.vmodels[id] = vmodel
|
||
createSignalTower(elem, vmodel)
|
||
try {
|
||
vmodel.$init(function() {
|
||
avalon.scan(elem, [vmodel].concat(vmodels))
|
||
if (typeof options.onInit === "function") {
|
||
options.onInit.call(elem, vmodel, options, vmodels)
|
||
}
|
||
})
|
||
} catch (e) {}
|
||
data.rollback = function() {
|
||
try {
|
||
vmodel.widgetElement = null
|
||
vmodel.$remove()
|
||
} catch (e) {}
|
||
elem.msData = {}
|
||
delete avalon.vmodels[vmodel.$id]
|
||
}
|
||
injectDisposeQueue(data, widgetList)
|
||
if (window.chrome) {
|
||
elem.addEventListener("DOMNodeRemovedFromDocument", function() {
|
||
setTimeout(rejectDisposeQueue)
|
||
})
|
||
}
|
||
} else {
|
||
avalon.scan(elem, vmodels)
|
||
}
|
||
} else if (vmodels.length) { //如果该组件还没有加载，那么保存当前的vmodels
|
||
elem.vmodels = vmodels
|
||
}
|
||
}
|
||
var widgetList = []
|
||
//不存在 bindingExecutors.widget
|
||
/*********************************************************************
|
||
* 自带过滤器 *
|
||
**********************************************************************/
|
||
var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
|
||
var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
|
||
var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig
|
||
var rsanitize = {
|
||
a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig,
|
||
img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig,
|
||
form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig
|
||
}
|
||
var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
|
||
var rnoalphanumeric = /([^\#-~| |!])/g;
|
||
|
||
function numberFormat(number, decimals, point, thousands) {
|
||
//form http://phpjs.org/functions/number_format/
|
||
//number 必需，要格式化的数字
|
||
//decimals 可选，规定多少个小数位。
|
||
//point 可选，规定用作小数点的字符串（默认为 . ）。
|
||
//thousands 可选，规定用作千位分隔符的字符串（默认为 , ），如果设置了该参数，那么所有其他参数都是必需的。
|
||
number = (number + '')
|
||
.replace(/[^0-9+\-Ee.]/g, '')
|
||
var n = !isFinite(+number) ? 0 : +number,
|
||
prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
|
||
sep = thousands || ",",
|
||
dec = point || ".",
|
||
s = '',
|
||
toFixedFix = function(n, prec) {
|
||
var k = Math.pow(10, prec)
|
||
return '' + (Math.round(n * k) / k)
|
||
.toFixed(prec)
|
||
}
|
||
// Fix for IE parseFloat(0.55).toFixed(0) = 0;
|
||
s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
|
||
.split('.')
|
||
if (s[0].length > 3) {
|
||
s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
|
||
}
|
||
if ((s[1] || '')
|
||
.length < prec) {
|
||
s[1] = s[1] || ''
|
||
s[1] += new Array(prec - s[1].length + 1)
|
||
.join('0')
|
||
}
|
||
return s.join(dec)
|
||
}
|
||
|
||
|
||
var filters = avalon.filters = {
|
||
uppercase: function(str) {
|
||
return str.toUpperCase()
|
||
},
|
||
lowercase: function(str) {
|
||
return str.toLowerCase()
|
||
},
|
||
truncate: function(str, length, truncation) {
|
||
//length，新字符串长度，truncation，新字符串的结尾的字段,返回新字符串
|
||
length = length || 30
|
||
truncation = typeof truncation === "string" ? truncation : "..."
|
||
return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str)
|
||
},
|
||
$filter: function(val) {
|
||
for (var i = 1, n = arguments.length; i < n; i++) {
|
||
var array = arguments[i]
|
||
var fn = avalon.filters[array.shift()]
|
||
if (typeof fn === "function") {
|
||
var arr = [val].concat(array)
|
||
val = fn.apply(null, arr)
|
||
}
|
||
}
|
||
return val
|
||
},
|
||
camelize: camelize,
|
||
//https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
|
||
// <a href="javasc
ript:alert('XSS')">chrome</a>
|
||
// <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
|
||
// <a href="jav ascript:alert('XSS');">IE67chrome</a>
|
||
// <a href="jav	ascript:alert('XSS');">IE67chrome</a>
|
||
// <a href="jav
ascript:alert('XSS');">IE67chrome</a>
|
||
sanitize: function(str) {
|
||
return str.replace(rscripts, "").replace(ropen, function(a, b) {
|
||
var match = a.toLowerCase().match(/<(\w+)\s/)
|
||
if (match) { //处理a标签的href属性，img标签的src属性，form标签的action属性
|
||
var reg = rsanitize[match[1]]
|
||
if (reg) {
|
||
a = a.replace(reg, function(s, name, value) {
|
||
var quote = value.charAt(0)
|
||
return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line
|
||
})
|
||
}
|
||
}
|
||
return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件
|
||
})
|
||
},
|
||
escape: function(str) {
|
||
//将字符串经过 str 转义得到适合在页面中显示的内容, 例如替换 < 为 <
|
||
return String(str).
|
||
replace(/&/g, '&').
|
||
replace(rsurrogate, function(value) {
|
||
var hi = value.charCodeAt(0)
|
||
var low = value.charCodeAt(1)
|
||
return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';'
|
||
}).
|
||
replace(rnoalphanumeric, function(value) {
|
||
return '&#' + value.charCodeAt(0) + ';'
|
||
}).
|
||
replace(/</g, '<').
|
||
replace(/>/g, '>')
|
||
},
|
||
currency: function(amount, symbol, fractionSize) {
|
||
return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
|
||
},
|
||
number: numberFormat
|
||
}
|
||
/*
|
||
'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
|
||
'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
|
||
'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
|
||
'MMMM': Month in year (January-December)
|
||
'MMM': Month in year (Jan-Dec)
|
||
'MM': Month in year, padded (01-12)
|
||
'M': Month in year (1-12)
|
||
'dd': Day in month, padded (01-31)
|
||
'd': Day in month (1-31)
|
||
'EEEE': Day in Week,(Sunday-Saturday)
|
||
'EEE': Day in Week, (Sun-Sat)
|
||
'HH': Hour in day, padded (00-23)
|
||
'H': Hour in day (0-23)
|
||
'hh': Hour in am/pm, padded (01-12)
|
||
'h': Hour in am/pm, (1-12)
|
||
'mm': Minute in hour, padded (00-59)
|
||
'm': Minute in hour (0-59)
|
||
'ss': Second in minute, padded (00-59)
|
||
's': Second in minute (0-59)
|
||
'a': am/pm marker
|
||
'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
|
||
format string can also be one of the following predefined localizable formats:
|
||
|
||
'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
|
||
'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
|
||
'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
|
||
'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
|
||
'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
|
||
'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
|
||
'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
|
||
'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
|
||
*/
|
||
new function() {// jshint ignore:line
|
||
function toInt(str) {
|
||
return parseInt(str, 10) || 0
|
||
}
|
||
|
||
function padNumber(num, digits, trim) {
|
||
var neg = ""
|
||
if (num < 0) {
|
||
neg = '-'
|
||
num = -num
|
||
}
|
||
num = "" + num
|
||
while (num.length < digits)
|
||
num = "0" + num
|
||
if (trim)
|
||
num = num.substr(num.length - digits)
|
||
return neg + num
|
||
}
|
||
|
||
function dateGetter(name, size, offset, trim) {
|
||
return function(date) {
|
||
var value = date["get" + name]()
|
||
if (offset > 0 || value > -offset)
|
||
value += offset
|
||
if (value === 0 && offset === -12) {
|
||
value = 12
|
||
}
|
||
return padNumber(value, size, trim)
|
||
}
|
||
}
|
||
|
||
function dateStrGetter(name, shortForm) {
|
||
return function(date, formats) {
|
||
var value = date["get" + name]()
|
||
var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
|
||
return formats[get][value]
|
||
}
|
||
}
|
||
|
||
function timeZoneGetter(date) {
|
||
var zone = -1 * date.getTimezoneOffset()
|
||
var paddedZone = (zone >= 0) ? "+" : ""
|
||
paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
|
||
return paddedZone
|
||
}
|
||
//取得上午下午
|
||
|
||
function ampmGetter(date, formats) {
|
||
return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
|
||
}
|
||
var DATE_FORMATS = {
|
||
yyyy: dateGetter("FullYear", 4),
|
||
yy: dateGetter("FullYear", 2, 0, true),
|
||
y: dateGetter("FullYear", 1),
|
||
MMMM: dateStrGetter("Month"),
|
||
MMM: dateStrGetter("Month", true),
|
||
MM: dateGetter("Month", 2, 1),
|
||
M: dateGetter("Month", 1, 1),
|
||
dd: dateGetter("Date", 2),
|
||
d: dateGetter("Date", 1),
|
||
HH: dateGetter("Hours", 2),
|
||
H: dateGetter("Hours", 1),
|
||
hh: dateGetter("Hours", 2, -12),
|
||
h: dateGetter("Hours", 1, -12),
|
||
mm: dateGetter("Minutes", 2),
|
||
m: dateGetter("Minutes", 1),
|
||
ss: dateGetter("Seconds", 2),
|
||
s: dateGetter("Seconds", 1),
|
||
sss: dateGetter("Milliseconds", 3),
|
||
EEEE: dateStrGetter("Day"),
|
||
EEE: dateStrGetter("Day", true),
|
||
a: ampmGetter,
|
||
Z: timeZoneGetter
|
||
}
|
||
var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
|
||
var raspnetjson = /^\/Date\((\d+)\)\/$/
|
||
filters.date = function(date, format) {
|
||
var locate = filters.date.locate,
|
||
text = "",
|
||
parts = [],
|
||
fn, match
|
||
format = format || "mediumDate"
|
||
format = locate[format] || format
|
||
if (typeof date === "string") {
|
||
if (/^\d+$/.test(date)) {
|
||
date = toInt(date)
|
||
} else if (raspnetjson.test(date)) {
|
||
date = +RegExp.$1
|
||
} else {
|
||
var trimDate = date.trim()
|
||
var dateArray = [0, 0, 0, 0, 0, 0, 0]
|
||
var oDate = new Date(0)
|
||
//取得年月日
|
||
trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function(_, a, b, c) {
|
||
var array = c.length === 4 ? [c, a, b] : [a, b, c]
|
||
dateArray[0] = toInt(array[0]) //年
|
||
dateArray[1] = toInt(array[1]) - 1 //月
|
||
dateArray[2] = toInt(array[2]) //日
|
||
return ""
|
||
})
|
||
var dateSetter = oDate.setFullYear
|
||
var timeSetter = oDate.setHours
|
||
trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function(_, a, b, c, d) {
|
||
dateArray[3] = toInt(a) //小时
|
||
dateArray[4] = toInt(b) //分钟
|
||
dateArray[5] = toInt(c) //秒
|
||
if (d) { //毫秒
|
||
dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
|
||
}
|
||
return ""
|
||
})
|
||
var tzHour = 0
|
||
var tzMin = 0
|
||
trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function(z, symbol, c, d) {
|
||
dateSetter = oDate.setUTCFullYear
|
||
timeSetter = oDate.setUTCHours
|
||
if (symbol) {
|
||
tzHour = toInt(symbol + c)
|
||
tzMin = toInt(symbol + d)
|
||
}
|
||
return ""
|
||
})
|
||
|
||
dateArray[3] -= tzHour
|
||
dateArray[4] -= tzMin
|
||
dateSetter.apply(oDate, dateArray.slice(0, 3))
|
||
timeSetter.apply(oDate, dateArray.slice(3))
|
||
date = oDate
|
||
}
|
||
}
|
||
if (typeof date === "number") {
|
||
date = new Date(date)
|
||
}
|
||
if (avalon.type(date) !== "date") {
|
||
return
|
||
}
|
||
while (format) {
|
||
match = rdateFormat.exec(format)
|
||
if (match) {
|
||
parts = parts.concat(match.slice(1))
|
||
format = parts.pop()
|
||
} else {
|
||
parts.push(format)
|
||
format = null
|
||
}
|
||
}
|
||
parts.forEach(function(value) {
|
||
fn = DATE_FORMATS[value]
|
||
text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
|
||
})
|
||
return text
|
||
}
|
||
var locate = {
|
||
AMPMS: {
|
||
0: "上午",
|
||
1: "下午"
|
||
},
|
||
DAY: {
|
||
0: "星期日",
|
||
1: "星期一",
|
||
2: "星期二",
|
||
3: "星期三",
|
||
4: "星期四",
|
||
5: "星期五",
|
||
6: "星期六"
|
||
},
|
||
MONTH: {
|
||
0: "1月",
|
||
1: "2月",
|
||
2: "3月",
|
||
3: "4月",
|
||
4: "5月",
|
||
5: "6月",
|
||
6: "7月",
|
||
7: "8月",
|
||
8: "9月",
|
||
9: "10月",
|
||
10: "11月",
|
||
11: "12月"
|
||
},
|
||
SHORTDAY: {
|
||
"0": "周日",
|
||
"1": "周一",
|
||
"2": "周二",
|
||
"3": "周三",
|
||
"4": "周四",
|
||
"5": "周五",
|
||
"6": "周六"
|
||
},
|
||
fullDate: "y年M月d日EEEE",
|
||
longDate: "y年M月d日",
|
||
medium: "yyyy-M-d H:mm:ss",
|
||
mediumDate: "yyyy-M-d",
|
||
mediumTime: "H:mm:ss",
|
||
"short": "yy-M-d ah:mm",
|
||
shortDate: "yy-M-d",
|
||
shortTime: "ah:mm"
|
||
}
|
||
locate.SHORTMONTH = locate.MONTH
|
||
filters.date.locate = locate
|
||
}// jshint ignore:line
|
||
/*********************************************************************
|
||
* AMD加载器 *
|
||
**********************************************************************/
|
||
//https://www.devbridge.com/articles/understanding-amd-requirejs/
|
||
//http://maxogden.com/nested-dependencies.html
|
||
/*var modules = avalon.modules = {
|
||
"domReady!": {
|
||
exports: avalon,
|
||
state: 3
|
||
},
|
||
"avalon": {
|
||
exports: avalon,
|
||
state: 4
|
||
}
|
||
}
|
||
//Object(modules[id]).state拥有如下值
|
||
// undefined 没有定义
|
||
// 1(send) 已经发出请求
|
||
// 2(loading) 已经被执行但还没有执行完成，在这个阶段define方法会被执行
|
||
// 3(loaded) 执行完毕，通过onload/onreadystatechange回调判定，在这个阶段checkDeps方法会执行
|
||
// 4(execute) 其依赖也执行完毕, 值放到exports对象上，在这个阶段fireFactory方法会执行
|
||
modules.exports = modules.avalon
|
||
|
||
new function () {// jshint ignore:line
|
||
var loadings = [] //正在加载中的模块列表
|
||
var factorys = [] //放置define方法的factory函数
|
||
var rjsext = /\.js$/i
|
||
function makeRequest(name, config) {
|
||
//1. 去掉资源前缀
|
||
var res = "js"
|
||
name = name.replace(/^(\w+)\!/, function (a, b) {
|
||
res = b
|
||
return ""
|
||
})
|
||
if (res === "ready") {
|
||
log("debug: ready!已经被废弃，请使用domReady!")
|
||
res = "domReady"
|
||
}
|
||
//2. 去掉querystring, hash
|
||
var query = ""
|
||
name = name.replace(rquery, function (a) {
|
||
query = a
|
||
return ""
|
||
})
|
||
//3. 去掉扩展名
|
||
var suffix = "." + res
|
||
var ext = /js|css/.test(suffix) ? suffix : ""
|
||
name = name.replace(/\.[a-z0-9]+$/g, function (a) {
|
||
if (a === suffix) {
|
||
ext = a
|
||
return ""
|
||
} else {
|
||
return a
|
||
}
|
||
})
|
||
var req = avalon.mix({
|
||
query: query,
|
||
ext: ext,
|
||
res: res,
|
||
name: name,
|
||
toUrl: toUrl
|
||
}, config)
|
||
req.toUrl(name)
|
||
return req
|
||
}
|
||
|
||
function fireRequest(req) {
|
||
var name = req.name
|
||
var res = req.res
|
||
//1. 如果该模块已经发出请求，直接返回
|
||
var module = modules[name]
|
||
var urlNoQuery = name && req.urlNoQuery
|
||
if (module && module.state >= 1) {
|
||
return name
|
||
}
|
||
module = modules[urlNoQuery]
|
||
if (module && module.state >= 3) {
|
||
innerRequire(module.deps || [], module.factory, urlNoQuery)
|
||
return urlNoQuery
|
||
}
|
||
if (name && !module) {
|
||
module = modules[urlNoQuery] = {
|
||
id: urlNoQuery,
|
||
state: 1 //send
|
||
}
|
||
var wrap = function (obj) {
|
||
resources[res] = obj
|
||
obj.load(name, req, function (a) {
|
||
if (arguments.length && a !== void 0) {
|
||
module.exports = a
|
||
}
|
||
module.state = 4
|
||
checkDeps()
|
||
})
|
||
}
|
||
|
||
if (!resources[res]) {
|
||
innerRequire([res], wrap)
|
||
} else {
|
||
wrap(resources[res])
|
||
}
|
||
}
|
||
return name ? urlNoQuery : res + "!"
|
||
}
|
||
|
||
//核心API之一 require
|
||
var requireQueue = []
|
||
var isUserFirstRequire = false
|
||
innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) {
|
||
if (!isUserFirstRequire) {
|
||
requireQueue.push(avalon.slice(arguments))
|
||
if (arguments.length <= 2) {
|
||
isUserFirstRequire = true
|
||
var queue = requireQueue.splice(0, requireQueue.length), args
|
||
while (args = queue.shift()) {
|
||
innerRequire.apply(null, args)
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
if (!Array.isArray(array)) {
|
||
avalon.error("require方法的第一个参数应为数组 " + array)
|
||
}
|
||
var deps = [] // 放置所有依赖项的完整路径
|
||
var uniq = {}
|
||
var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line
|
||
defineConfig = defineConfig || {}
|
||
defineConfig.baseUrl = kernel.baseUrl
|
||
var isBuilt = !!defineConfig.built
|
||
if (parentUrl) {
|
||
defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/"))
|
||
defineConfig.mapUrl = parentUrl.replace(rjsext, "")
|
||
}
|
||
if (isBuilt) {
|
||
var req = makeRequest(defineConfig.defineName, defineConfig)
|
||
id = req.urlNoQuery
|
||
} else {
|
||
array.forEach(function (name) {
|
||
var req = makeRequest(name, defineConfig)
|
||
var url = fireRequest(req) //加载资源，并返回该资源的完整地址
|
||
if (url) {
|
||
if (!uniq[url]) {
|
||
deps.push(url)
|
||
uniq[url] = "司徒正美" //去重
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
var module = modules[id]
|
||
if (!module || module.state !== 4) {
|
||
modules[id] = {
|
||
id: id,
|
||
deps: isBuilt ? array.concat() : deps,
|
||
factory: factory || noop,
|
||
state: 3
|
||
}
|
||
}
|
||
if (!module) {
|
||
//如果此模块是定义在另一个JS文件中, 那必须等该文件加载完毕, 才能放到检测列队中
|
||
loadings.push(id)
|
||
}
|
||
checkDeps()
|
||
}
|
||
|
||
//核心API之二 require
|
||
innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身
|
||
if (typeof name !== "string") {
|
||
factory = deps
|
||
deps = name
|
||
name = "anonymous"
|
||
}
|
||
if (!Array.isArray(deps)) {
|
||
factory = deps
|
||
deps = []
|
||
}
|
||
var config = {
|
||
built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前
|
||
defineName: name
|
||
}
|
||
var args = [deps, factory, config]
|
||
factory.require = function (url) {
|
||
args.splice(2, 0, url)
|
||
if (modules[url]) {
|
||
modules[url].state = 3 //loaded
|
||
var isCycle = false
|
||
try {
|
||
isCycle = checkCycle(modules[url].deps, url)
|
||
} catch (e) {
|
||
}
|
||
if (isCycle) {
|
||
avalon.error(url + "模块与之前的模块存在循环依赖，请不要直接用script标签引入" + url + "模块")
|
||
}
|
||
}
|
||
delete factory.require //释放内存
|
||
innerRequire.apply(null, args) //0,1,2 --> 1,2,0
|
||
}
|
||
//根据标准,所有遵循W3C标准的浏览器,script标签会按标签的出现顺序执行。
|
||
//老的浏览器中，加载也是按顺序的：一个文件下载完成后，才开始下载下一个文件。
|
||
//较新的浏览器中（IE8+ 、FireFox3.5+ 、Chrome4+ 、Safari4+），为了减小请求时间以优化体验，
|
||
//下载可以是并行的，但是执行顺序还是按照标签出现的顺序。
|
||
//但如果script标签是动态插入的, 就未必按照先请求先执行的原则了,目测只有firefox遵守
|
||
//唯一比较一致的是,IE10+及其他标准浏览器,一旦开始解析脚本, 就会一直堵在那里,直接脚本解析完毕
|
||
//亦即，先进入loading阶段的script标签(模块)必然会先进入loaded阶段
|
||
var url = config.built ? "unknown" : getCurrentScript()
|
||
if (url) {
|
||
var module = modules[url]
|
||
if (module) {
|
||
module.state = 2
|
||
}
|
||
factory.require(url)
|
||
} else {//合并前后的safari，合并后的IE6-9走此分支
|
||
factorys.push(factory)
|
||
}
|
||
}
|
||
//核心API之三 require.config(settings)
|
||
innerRequire.config = kernel
|
||
//核心API之四 define.amd 标识其符合AMD规范
|
||
innerRequire.define.amd = modules
|
||
|
||
//==========================对用户配置项进行再加工==========================
|
||
var allpaths = kernel["orig.paths"] = {}
|
||
var allmaps = kernel["orig.map"] = {}
|
||
var allpackages = kernel["packages"] = []
|
||
var allargs = kernel["orig.args"] = {}
|
||
avalon.mix(plugins, {
|
||
paths: function (hash) {
|
||
avalon.mix(allpaths, hash)
|
||
kernel.paths = makeIndexArray(allpaths)
|
||
},
|
||
map: function (hash) {
|
||
avalon.mix(allmaps, hash)
|
||
var list = makeIndexArray(allmaps, 1, 1)
|
||
avalon.each(list, function (_, item) {
|
||
item.val = makeIndexArray(item.val)
|
||
})
|
||
kernel.map = list
|
||
},
|
||
packages: function (array) {
|
||
array = array.concat(allpackages)
|
||
var uniq = {}
|
||
var ret = []
|
||
for (var i = 0, pkg; pkg = array[i++]; ) {
|
||
pkg = typeof pkg === "string" ? {name: pkg} : pkg
|
||
var name = pkg.name
|
||
if (!uniq[name]) {
|
||
var url = joinPath(pkg.location || name, pkg.main || "main")
|
||
url = url.replace(rjsext, "")
|
||
ret.push(pkg)
|
||
uniq[name] = pkg.location = url
|
||
pkg.reg = makeMatcher(name)
|
||
}
|
||
}
|
||
kernel.packages = ret.sort()
|
||
},
|
||
urlArgs: function (hash) {
|
||
if (typeof hash === "string") {
|
||
hash = {"*": hash}
|
||
}
|
||
avalon.mix(allargs, hash)
|
||
kernel.urlArgs = makeIndexArray(allargs, 1)
|
||
},
|
||
baseUrl: function (url) {
|
||
if (!isAbsUrl(url)) {
|
||
var baseElement = head.getElementsByTagName("base")[0]
|
||
if (baseElement) {
|
||
head.removeChild(baseElement)
|
||
}
|
||
var node = DOC.createElement("a")
|
||
node.href = url
|
||
url = getFullUrl(node, "href")
|
||
if (baseElement) {
|
||
head.insertBefore(baseElement, head.firstChild)
|
||
}
|
||
}
|
||
if (url.length > 3)
|
||
kernel.baseUrl = url
|
||
},
|
||
shim: function (obj) {
|
||
for (var i in obj) {
|
||
var value = obj[i]
|
||
if (Array.isArray(value)) {
|
||
value = obj[i] = {
|
||
deps: value
|
||
}
|
||
}
|
||
if (!value.exportsFn && (value.exports || value.init)) {
|
||
value.exportsFn = makeExports(value)
|
||
}
|
||
}
|
||
kernel.shim = obj
|
||
}
|
||
|
||
})
|
||
|
||
|
||
//==============================内部方法=================================
|
||
function checkCycle(deps, nick) {
|
||
//检测是否存在循环依赖
|
||
for (var i = 0, id; id = deps[i++]; ) {
|
||
if (modules[id].state !== 4 &&
|
||
(id === nick || checkCycle(modules[id].deps, nick))) {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
|
||
function checkFail(node, onError, fuckIE) {
|
||
var id = trimQuery(node.src) //检测是否死链
|
||
node.onload = node.onreadystatechange = node.onerror = null
|
||
if (onError || (fuckIE && modules[id] && !modules[id].state)) {
|
||
setTimeout(function () {
|
||
head.removeChild(node)
|
||
node = null // 处理旧式IE下的循环引用问题
|
||
})
|
||
log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state))
|
||
} else {
|
||
return true
|
||
}
|
||
}
|
||
|
||
function checkDeps() {
|
||
//检测此JS模块的依赖是否都已安装完毕,是则安装自身
|
||
loop: for (var i = loadings.length, id; id = loadings[--i]; ) {
|
||
var obj = modules[id],
|
||
deps = obj.deps
|
||
if (!deps)
|
||
continue
|
||
for (var j = 0, key; key = deps[j]; j++) {
|
||
if (Object(modules[key]).state !== 4) {
|
||
continue loop
|
||
}
|
||
}
|
||
//如果deps是空对象或者其依赖的模块的状态都是2
|
||
if (obj.state !== 4) {
|
||
loadings.splice(i, 1) //必须先移除再安装，防止在IE下DOM树建完后手动刷新页面，会多次执行它
|
||
fireFactory(obj.id, obj.deps, obj.factory)
|
||
checkDeps() //如果成功,则再执行一次,以防有些模块就差本模块没有安装好
|
||
}
|
||
}
|
||
}
|
||
|
||
var rreadyState = /complete|loaded/
|
||
function loadJS(url, id, callback) {
|
||
//通过script节点加载目标模块
|
||
var node = DOC.createElement("script")
|
||
node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点
|
||
var supportLoad = "onload" in node
|
||
var onEvent = supportLoad ? "onload" : "onreadystatechange"
|
||
function onload() {
|
||
var factory = factorys.pop()
|
||
factory && factory.require(id)
|
||
if (callback) {
|
||
callback()
|
||
}
|
||
if (checkFail(node, false, !supportLoad)) {
|
||
log("debug: 已成功加载 " + url)
|
||
id && loadings.push(id)
|
||
checkDeps()
|
||
}
|
||
}
|
||
var index = 0, loadID
|
||
node[onEvent] = supportLoad ? onload : function () {
|
||
if (rreadyState.test(node.readyState)) {
|
||
++index
|
||
if (index === 1) {
|
||
loadID = setTimeout(onload, 500)
|
||
} else {
|
||
clearTimeout(loadID)
|
||
onload()
|
||
}
|
||
}
|
||
}
|
||
node.onerror = function () {
|
||
checkFail(node, true)
|
||
}
|
||
|
||
head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null
|
||
node.src = url //插入到head的第一个节点前，防止IE6下head标签没闭合前使用appendChild抛错
|
||
log("debug: 正准备加载 " + url) //更重要的是IE6下可以收窄getCurrentScript的寻找范围
|
||
}
|
||
|
||
var resources = innerRequire.plugins = {
|
||
//三大常用资源插件 js!, css!, text!, ready!
|
||
ready: {
|
||
load: noop
|
||
},
|
||
js: {
|
||
load: function (name, req, onLoad) {
|
||
var url = req.url
|
||
var id = req.urlNoQuery
|
||
var shim = kernel.shim[name.replace(rjsext, "")]
|
||
if (shim) { //shim机制
|
||
innerRequire(shim.deps || [], function () {
|
||
var args = avalon.slice(arguments)
|
||
loadJS(url, id, function () {
|
||
onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0)
|
||
})
|
||
})
|
||
} else {
|
||
loadJS(url, id)
|
||
}
|
||
}
|
||
},
|
||
css: {
|
||
load: function (name, req, onLoad) {
|
||
var url = req.url
|
||
var node = DOC.createElement("link")
|
||
node.rel = "stylesheet"
|
||
node.href = url
|
||
head.insertBefore(node, head.firstChild)
|
||
log("debug: 已成功加载 " + url)
|
||
onLoad()
|
||
}
|
||
},
|
||
text: {
|
||
load: function (name, req, onLoad) {
|
||
var url = req.url
|
||
var xhr = getXHR()
|
||
xhr.onreadystatechange = function () {
|
||
if (xhr.readyState === 4) {
|
||
var status = xhr.status;
|
||
if (status > 399 && status < 600) {
|
||
avalon.error(url + " 对应资源不存在或没有开启 CORS")
|
||
} else {
|
||
log("debug: 已成功加载 " + url)
|
||
onLoad(xhr.responseText)
|
||
}
|
||
}
|
||
}
|
||
var time = "_=" + (new Date() - 0)
|
||
var _url = url.indexOf("?") === -1 ? url + "?" + time : url + "&" + time
|
||
xhr.open("GET", _url, true)
|
||
if ("withCredentials" in xhr) {//这是处理跨域
|
||
xhr.withCredentials = true
|
||
}
|
||
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求
|
||
xhr.send()
|
||
log("debug: 正准备加载 " + url)
|
||
}
|
||
}
|
||
}
|
||
innerRequire.checkDeps = checkDeps
|
||
|
||
var rquery = /(\?[^#]*)$/
|
||
function trimQuery(url) {
|
||
return (url || "").replace(rquery, "")
|
||
}
|
||
|
||
function isAbsUrl(path) {
|
||
//http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
|
||
return /^(?:[a-z]+:)?\/\//i.test(String(path))
|
||
}
|
||
|
||
function getFullUrl(node, src) {
|
||
return"1"[0] ? node[src] : node.getAttribute(src, 4)
|
||
}
|
||
|
||
function getCurrentScript() {
|
||
// inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js
|
||
var stack
|
||
try {
|
||
a.b.c() //强制报错,以便捕获e.stack
|
||
} catch (e) { //safari5的sourceURL，firefox的fileName，它们的效果与e.stack不一样
|
||
stack = e.stack
|
||
if (!stack && window.opera) {
|
||
//opera 9没有e.stack,但有e.Backtrace,但不能直接取得,需要对e对象转字符串进行抽取
|
||
stack = (String(e).match(/of linked script \S+/g) || []).join(" ")
|
||
}
|
||
}
|
||
if (stack) {
|
||
/!**e.stack最后一行在所有支持的浏览器大致如下:
|
||
*chrome23:
|
||
* at http://113.93.50.63/data.js:4:1
|
||
*firefox17:
|
||
*@http://113.93.50.63/query.js:4
|
||
*opera12:http://www.oldapps.com/opera.php?system=Windows_XP
|
||
*@http://113.93.50.63/data.js:4
|
||
*IE10:
|
||
* at Global code (http://113.93.50.63/data.js:4:1)
|
||
* //firefox4+ 可以用document.currentScript
|
||
*!/
|
||
stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分
|
||
stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符
|
||
return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置
|
||
}
|
||
var nodes = head.getElementsByTagName("script") //只在head标签中寻找
|
||
for (var i = nodes.length, node; node = nodes[--i]; ) {
|
||
if (node.className === subscribers && node.readyState === "interactive") {
|
||
var url = getFullUrl(node, "src")
|
||
return node.className = trimQuery(url)
|
||
}
|
||
}
|
||
}
|
||
|
||
var rcallback = /^callback\d+$/
|
||
function fireFactory(id, deps, factory) {
|
||
var module = Object(modules[id])
|
||
module.state = 4
|
||
for (var i = 0, array = [], d; d = deps[i++]; ) {
|
||
if (d === "exports") {
|
||
var obj = module.exports || (module.exports = {})
|
||
array.push(obj)
|
||
} else {
|
||
array.push(modules[d].exports)
|
||
}
|
||
}
|
||
try {
|
||
var ret = factory.apply(window, array)
|
||
} catch (e) {
|
||
log("执行[" + id + "]模块的factory抛错： " + e)
|
||
}
|
||
if (ret !== void 0) {
|
||
module.exports = ret
|
||
}
|
||
if (rcallback.test(id)) {
|
||
delete modules[id]
|
||
}
|
||
delete module.factory
|
||
return ret
|
||
}
|
||
function toUrl(id) {
|
||
if (id.indexOf(this.res + "!") === 0) {
|
||
id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况
|
||
}
|
||
var url = id
|
||
//1. 是否命中paths配置项
|
||
var usePath = 0
|
||
var baseUrl = this.baseUrl
|
||
var rootUrl = this.parentUrl || baseUrl
|
||
eachIndexArray(id, kernel.paths, function (value, key) {
|
||
url = url.replace(key, value)
|
||
usePath = 1
|
||
})
|
||
//2. 是否命中packages配置项
|
||
if (!usePath) {
|
||
eachIndexArray(id, kernel.packages, function (value, key, item) {
|
||
url = url.replace(item.name, item.location)
|
||
})
|
||
}
|
||
//3. 是否命中map配置项
|
||
if (this.mapUrl) {
|
||
eachIndexArray(this.mapUrl, kernel.map, function (array) {
|
||
eachIndexArray(url, array, function (mdValue, mdKey) {
|
||
url = url.replace(mdKey, mdValue)
|
||
rootUrl = baseUrl
|
||
})
|
||
})
|
||
}
|
||
var ext = this.ext
|
||
if (ext && usePath && url.slice(-ext.length) === ext) {
|
||
url = url.slice(0, -ext.length)
|
||
}
|
||
//4. 转换为绝对路径
|
||
if (!isAbsUrl(url)) {
|
||
rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl
|
||
url = joinPath(rootUrl, url)
|
||
}
|
||
//5. 还原扩展名，query
|
||
var urlNoQuery = url + ext
|
||
url = urlNoQuery + this.query
|
||
//6. 处理urlArgs
|
||
eachIndexArray(id, kernel.urlArgs, function (value) {
|
||
url += (url.indexOf("?") === -1 ? "?" : "&") + value;
|
||
})
|
||
this.url = url
|
||
return this.urlNoQuery = urlNoQuery
|
||
}
|
||
|
||
function makeIndexArray(hash, useStar, part) {
|
||
//创建一个经过特殊算法排好序的数组
|
||
var index = hash2array(hash, useStar, part)
|
||
index.sort(descSorterByName)
|
||
return index
|
||
}
|
||
|
||
function makeMatcher(prefix) {
|
||
return new RegExp('^' + prefix + '(/|$)')
|
||
}
|
||
|
||
function makeExports(value) {
|
||
return function () {
|
||
var ret
|
||
if (value.init) {
|
||
ret = value.init.apply(window, arguments)
|
||
}
|
||
return ret || (value.exports && getGlobal(value.exports))
|
||
}
|
||
}
|
||
|
||
|
||
function hash2array(hash, useStar, part) {
|
||
var array = [];
|
||
for (var key in hash) {
|
||
if (ohasOwn.call(hash, key)) {
|
||
var item = {
|
||
name: key,
|
||
val: hash[key]
|
||
}
|
||
array.push(item)
|
||
item.reg = key === "*" && useStar ? /^/ : makeMatcher(key)
|
||
if (part && key !== "*") {
|
||
item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)')
|
||
}
|
||
}
|
||
}
|
||
return array
|
||
}
|
||
|
||
function eachIndexArray(moduleID, array, matcher) {
|
||
array = array || []
|
||
for (var i = 0, el; el = array[i++]; ) {
|
||
if (el.reg.test(moduleID)) {
|
||
matcher(el.val, el.name, el)
|
||
return false
|
||
}
|
||
}
|
||
}
|
||
// 根据元素的name项进行数组字符数逆序的排序函数
|
||
function descSorterByName(a, b) {
|
||
var aaa = a.name
|
||
var bbb = b.name
|
||
if (bbb === "*") {
|
||
return -1
|
||
}
|
||
if (aaa === "*") {
|
||
return 1
|
||
}
|
||
return bbb.length - aaa.length
|
||
}
|
||
|
||
var rdeuce = /\/\w+\/\.\./
|
||
function joinPath(a, b) {
|
||
if (a.charAt(a.length - 1) !== "/") {
|
||
a += "/"
|
||
}
|
||
if (b.slice(0, 2) === "./") { //相对于兄弟路径
|
||
return a + b.slice(2)
|
||
}
|
||
if (b.slice(0, 2) === "..") { //相对于父路径
|
||
a += b
|
||
while (rdeuce.test(a)) {
|
||
a = a.replace(rdeuce, "")
|
||
}
|
||
return a
|
||
}
|
||
if (b.slice(0, 1) === "/") {
|
||
return a + b.slice(1)
|
||
}
|
||
return a + b
|
||
}
|
||
|
||
function getGlobal(value) {
|
||
if (!value) {
|
||
return value
|
||
}
|
||
var g = window
|
||
value.split(".").forEach(function (part) {
|
||
g = g[part]
|
||
})
|
||
return g
|
||
}
|
||
|
||
var mainNode = DOC.scripts[DOC.scripts.length - 1]
|
||
var dataMain = mainNode.getAttribute("data-main")
|
||
if (dataMain) {
|
||
plugins.baseUrl(dataMain)
|
||
var href = kernel.baseUrl
|
||
kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1)
|
||
loadJS(href.replace(rjsext, "") + ".js")
|
||
} else {
|
||
var loaderUrl = trimQuery(getFullUrl(mainNode, "src"))
|
||
kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1)
|
||
}
|
||
}// jshint ignore:line*/
|
||
|
||
/*********************************************************************
|
||
* DOMReady *
|
||
**********************************************************************/
|
||
|
||
var readyList = [], isReady
|
||
var fireReady = function(fn) {
|
||
isReady = true
|
||
if (innerRequire) {
|
||
modules["domReady!"].state = 4
|
||
innerRequire.checkDeps()
|
||
}
|
||
while(fn = readyList.shift()){
|
||
fn(avalon)
|
||
}
|
||
}
|
||
|
||
function doScrollCheck() {
|
||
try { //IE下通过doScrollCheck检测DOM树是否建完
|
||
root.doScroll("left")
|
||
fireReady()
|
||
} catch (e) {
|
||
setTimeout(doScrollCheck)
|
||
}
|
||
}
|
||
|
||
if (DOC.readyState === "complete") {
|
||
setTimeout(fireReady) //如果在domReady之外加载
|
||
} else if (W3C) {
|
||
DOC.addEventListener("DOMContentLoaded", fireReady)
|
||
} else {
|
||
DOC.attachEvent("onreadystatechange", function() {
|
||
if (DOC.readyState === "complete") {
|
||
fireReady()
|
||
}
|
||
})
|
||
try {
|
||
var isTop = window.frameElement === null
|
||
} catch (e) {
|
||
}
|
||
if (root.doScroll && isTop && window.external) {//fix IE iframe BUG
|
||
doScrollCheck()
|
||
}
|
||
}
|
||
avalon.bind(window, "load", fireReady)
|
||
|
||
avalon.ready = function(fn) {
|
||
if (!isReady) {
|
||
readyList.push(fn)
|
||
} else {
|
||
fn(avalon)
|
||
}
|
||
}
|
||
|
||
avalon.config({
|
||
loader: false
|
||
})
|
||
|
||
avalon.ready(function() {
|
||
avalon.scan(DOC.body)
|
||
})
|
||
|
||
// Register as a named AMD module, since avalon can be concatenated with other
|
||
// files that may use define, but not via a proper concatenation script that
|
||
// understands anonymous AMD modules. A named AMD is safest and most robust
|
||
// way to register. Lowercase avalon is used because AMD module names are
|
||
// derived from file names, and Avalon is normally delivered in a lowercase
|
||
// file name. Do this after creating the global so that if an AMD module wants
|
||
// to call noConflict to hide this version of avalon, it will work.
|
||
|
||
// Note that for maximum portability, libraries that are not avalon should
|
||
// declare themselves as anonymous modules, and avoid setting a global if an
|
||
// AMD loader is present. avalon is a special case. For more information, see
|
||
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
|
||
if (typeof define === "function" && define.amd) {
|
||
define("avalon", [], function() {
|
||
return avalon
|
||
})
|
||
}
|
||
// Map over avalon in case of overwrite
|
||
var _avalon = window.avalon
|
||
avalon.noConflict = function(deep) {
|
||
if (deep && window.avalon === avalon) {
|
||
window.avalon = _avalon
|
||
}
|
||
return avalon
|
||
}
|
||
// Expose avalon identifiers, even in AMD
|
||
// and CommonJS for browser emulators
|
||
if (noGlobal === void 0) {
|
||
window.avalon = avalon
|
||
}
|
||
return avalon
|
||
|
||
})); |