diff options
author | 2017-08-07 11:39:39 +0800 | |
---|---|---|
committer | 2017-08-07 11:39:39 +0800 | |
commit | 21d72c4a80fe2937d0c4ddd20624b27adbcd989b (patch) | |
tree | e5013ee12f74f8452e01cbff16e7b0158bc456cb /common/src/main/webapp/thirdparty/avalon/avalon.js | |
parent | f533e73e2ae32e010b16abdcf7985abaf31ab843 (diff) |
Upload the ESR GUI seed code
Issue-ID: AAI-68
Change-Id: Ia50ce0570c2fabecd77199d4e8454f56fe587c4e
Signed-off-by: lizi00164331 <li.zi30@zte.com.cn>
Diffstat (limited to 'common/src/main/webapp/thirdparty/avalon/avalon.js')
-rw-r--r-- | common/src/main/webapp/thirdparty/avalon/avalon.js | 5819 |
1 files changed, 5819 insertions, 0 deletions
diff --git a/common/src/main/webapp/thirdparty/avalon/avalon.js b/common/src/main/webapp/thirdparty/avalon/avalon.js new file mode 100644 index 0000000..a22bb7d --- /dev/null +++ b/common/src/main/webapp/thirdparty/avalon/avalon.js @@ -0,0 +1,5819 @@ +/*================================================== + Copyright (c) 2013-2015 司徒正美 and other contributors + http://www.cnblogs.com/rubylouvre/ + https://github.com/RubyLouvre + http://weibo.com/jslouvre/ + + Released under the MIT license + avalon.js 1.45 built in 2015.7.17 + support IE6+ and other browsers + ==================================================*/ +(function(global, factory) { + + if (typeof module === "object" && typeof module.exports === "object") { + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get avalon. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var avalon = require("avalon")(window); + module.exports = global.document ? factory(global, true) : function(w) { + if (!w.document) { + throw new Error("Avalon requires a window with a document") + } + return factory(w) + } + } else { + factory(global) + } + +// Pass this if window is not defined yet +}(typeof window !== "undefined" ? window : this, function(window, noGlobal){ + +/********************************************************************* + * 全局变量及方法 * + **********************************************************************/ +var expose = new Date() - 0 +//http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function +var DOC = window.document +var head = DOC.getElementsByTagName("head")[0] //HEAD元素 +var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG +ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>" +ifGroup.setAttribute("ms-skip", "1") +ifGroup.className = "avalonHide" +var rnative = /\[native code\]/ //判定是否原生函数 +function log() { + if (window.console && avalon.config.debug) { + // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log + Function.apply.call(console.log, console, arguments) + } +} + + +var subscribers = "$" + expose +var otherRequire = window.require +var otherDefine = window.define +var innerRequire +var stopRepeatAssign = false +var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach +var rcomplexType = /^(?:object|array)$/ +var rsvg = /^\[object SVG\w*Element\]$/ +var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/ +var oproto = Object.prototype +var ohasOwn = oproto.hasOwnProperty +var serialize = oproto.toString +var ap = Array.prototype +var aslice = ap.slice +var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖 +var W3C = window.dispatchEvent +var root = DOC.documentElement +var avalonFragment = DOC.createDocumentFragment() +var cinerator = DOC.createElement("div") +var class2type = {} +"Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) { + class2type["[object " + name + "]"] = name.toLowerCase() +}) + + +function noop() { +} + + +function oneObject(array, val) { + if (typeof array === "string") { + array = array.match(rword) || [] + } + var result = {}, + value = val !== void 0 ? val : 1 + for (var i = 0, n = array.length; i < n; i++) { + result[array[i]] = value + } + return result +} + +//生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript +var generateID = function (prefix) { + prefix = prefix || "avalon" + return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix) +} +function IE() { + if (window.VBArray) { + var mode = document.documentMode + return mode ? mode : window.XMLHttpRequest ? 7 : 6 + } else { + return NaN + } +} +var IEVersion = IE() + +avalon = function (el) { //创建jQuery式的无new 实例化结构 + return new avalon.init(el) +} + +avalon.profile = function () { + if (window.console && avalon.config.profile) { + Function.apply.call(console.log, console, arguments) + } +} + +/*视浏览器情况采用最快的异步回调*/ +avalon.nextTick = new function () {// jshint ignore:line + var tickImmediate = window.setImmediate + var tickObserver = window.MutationObserver + var tickPost = W3C && window.postMessage + if (tickImmediate) { + return tickImmediate.bind(window) + } + + var queue = [] + function callback() { + var n = queue.length + for (var i = 0; i < n; i++) { + queue[i]() + } + queue = queue.slice(n) + } + + if (tickObserver) { + var node = document.createTextNode("avalon") + new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line + return function (fn) { + queue.push(fn) + node.data = Math.random() + } + } + + if (tickPost) { + window.addEventListener("message", function (e) { + var source = e.source + if ((source === window || source === null) && e.data === "process-tick") { + e.stopPropagation() + callback() + } + }) + + return function (fn) { + queue.push(fn) + window.postMessage('process-tick', '*') + } + } + + return function (fn) { + setTimeout(fn, 0) + } +}// jshint ignore:line +/********************************************************************* + * avalon的静态方法定义区 * + **********************************************************************/ +avalon.init = function (el) { + this[0] = this.element = el +} +avalon.fn = avalon.prototype = avalon.init.prototype + +avalon.type = function (obj) { //取得目标的类型 + if (obj == null) { + return String(obj) + } + // 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 + return typeof obj === "object" || typeof obj === "function" ? + class2type[serialize.call(obj)] || "object" : + typeof obj +} + +var isFunction = typeof alert === "object" ? function (fn) { + try { + return /^\s*\bfunction\b/.test(fn + "") + } catch (e) { + return false + } +} : function (fn) { + return serialize.call(fn) === "[object Function]" +} +avalon.isFunction = isFunction + +avalon.isWindow = function (obj) { + if (!obj) + return false + // 利用IE678 window == document为true,document == window竟然为false的神奇特性 + // 标准浏览器及IE9,IE10等使用 正则检测 + return obj == obj.document && obj.document != obj //jshint ignore:line +} + +function isWindow(obj) { + return rwindow.test(serialize.call(obj)) +} +if (isWindow(window)) { + avalon.isWindow = isWindow +} +var enu +for (enu in avalon({})) { + break +} +var enumerateBUG = enu !== "0" //IE6下为true, 其他为false +/*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*/ +avalon.isPlainObject = function (obj, key) { + if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) { + return false; + } + try { //IE内置对象没有constructor + if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) { + return false; + } + } catch (e) { //IE8 9会在这里抛错 + return false; + } + if (enumerateBUG) { + for (key in obj) { + return ohasOwn.call(obj, key) + } + } + for (key in obj) { + } + return key === void 0 || ohasOwn.call(obj, key) +} +if (rnative.test(Object.getPrototypeOf)) { + avalon.isPlainObject = function (obj) { + // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过 + return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto + } +} +//与jQuery.extend方法,可用于浅拷贝,深拷贝 +avalon.mix = avalon.fn.mix = function () { + var options, name, src, copy, copyIsArray, clone, + target = arguments[0] || {}, + i = 1, + length = arguments.length, + deep = false + + // 如果第一个参数为布尔,判定是否深拷贝 + if (typeof target === "boolean") { + deep = target + target = arguments[1] || {} + i++ + } + + //确保接受方为一个复杂的数据类型 + if (typeof target !== "object" && !isFunction(target)) { + target = {} + } + + //如果只有一个参数,那么新成员添加于mix所在的对象上 + if (i === length) { + target = this + i-- + } + + for (; i < length; i++) { + //只处理非空参数 + if ((options = arguments[i]) != null) { + for (name in options) { + src = target[name] + try { + copy = options[name] //当options为VBS对象时报错 + } catch (e) { + continue + } + + // 防止环引用 + if (target === copy) { + continue + } + if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) { + + if (copyIsArray) { + copyIsArray = false + clone = src && Array.isArray(src) ? src : [] + + } else { + clone = src && avalon.isPlainObject(src) ? src : {} + } + + target[name] = avalon.mix(deep, clone, copy) + } else if (copy !== void 0) { + target[name] = copy + } + } + } + } + return target +} + +function _number(a, len) { //用于模拟slice, splice的效果 + a = Math.floor(a) || 0 + return a < 0 ? Math.max(len + a, 0) : Math.min(a, len); +} +avalon.mix({ + rword: rword, + subscribers: subscribers, + version: 1.45, + 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) + end = _number(end, len) + for (var i = start; i < end; ++i) { + ret[i - start] = nodes[i] + } + } + return ret + }, + 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) + => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] + avalon.range(1, 11) + => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] + avalon.range(0, 30, 5) + => [0, 5, 10, 15, 20, 25] + avalon.range(0, -10, -1) + => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9] + 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") + 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 $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$reinitialize,$propertyNames").match(rword) +var defineProperty = Object.defineProperty +var canHideOwn = true +//如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8 +//标准浏览器使用__defineGetter__, __defineSetter__实现 +try { + defineProperty({}, "_", { + value: "x" + }) + var defineProperties = Object.defineProperties +} catch (e) { + canHideOwn = false +} + +function modelFactory(source, $special, $model) { + if (Array.isArray(source)) { + var arr = source.concat() + source.length = 0 + var collection = arrayFactory(source) + collection.pushArray(arr) + return collection + } + //0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG) + if (!source || source.nodeType > 0 || (source.$id && source.$events)) { + return source + } + var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : [] + $skipArray.$special = $special || {} //强制要监听的属性 + var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤 + $model = $model || {} //vmodels.$model属性 + var $events = {} //vmodel.$events属性 + var accessors = {} //监控属性 + var computed = [] + $$skipArray.forEach(function (name) { + delete source[name] + }) + var names = Object.keys(source) + /* jshint ignore:start */ + names.forEach(function (name, accessor) { + var val = source[name] + $model[name] = val + if (isObservable(name, val, $skipArray)) { + //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 + } + }) + /* jshint ignore:end */ + + $vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel + for (var i = 0; i < names.length; i++) { + var name = names[i] + if (!accessors[name]) { + $vmodel[name] = source[name] + } + } + //添加$id, $model, $events, $watch, $unwatch, $fire + $vmodel.$propertyNames = names.join("­") + $vmodel.$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", hasOwnDescriptor) + } else { + /* jshint ignore:start */ + $vmodel.hasOwnProperty = function (name) { + return name in $vmodel.$model + } + /* jshint ignore:end */ + } + + $vmodel.$reinitialize = function () { + computed.forEach(function (accessor) { + delete accessor._value + delete accessor.oldArgs + accessor.digest = function () { + accessor.call($vmodel) + } + dependencyDetection.begin({ + callback: function (vm, dependency) {//dependency为一个accessor + var name = dependency._name + if (dependency !== accessor) { + var list = vm.$events[name] + injectDependency(list, accessor.digest) + } + } + }) + try { + accessor.get.call($vmodel) + } finally { + dependencyDetection.end() + } + }) + } + $vmodel.$reinitialize() + return $vmodel +} + +var hasOwnDescriptor = { + value: function (name) { + return name in this.$model + }, + writable: false, + enumerable: false, + configurable: true +} +//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) { + function accessor(value) {//计算属性 + var oldValue = accessor._value + var init = ("_value" in accessor) + if (arguments.length > 0) { + if (stopRepeatAssign) { + return this + } + if (typeof accessor.set === "function") { + if (accessor.oldArgs !== value) { + accessor.oldArgs = value + var $events = this.$events + var lock = $events[name] + $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire + accessor.set.call(this, value) + $events[name] = lock + value = accessor.get.call(this) + if (value !== oldValue) { + accessor.updateValue(this, value) + accessor.notify(this, value, oldValue) //触发$watch回调 + } + } + } + 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 + //将自己注入到低层访问器的订阅数组中 + value = accessor.get.call(this) + accessor.updateValue(this, value) + if (init && oldValue !== value) { + accessor.notify(this, value, oldValue) //触发$watch回调 + } + return value + } + } + accessor.set = options.set + accessor.get = options.get + accessorFactory(accessor, name) + return accessor +} + +//创建一个复杂访问器 +function makeComplexAccessor(name, initValue, valueType, list) { + function accessor(value) { + var oldValue = accessor._value + + var son = accessor._vmodel + if (arguments.length > 0) { + if (stopRepeatAssign) { + return this + } + if (valueType === "array") { + var a = son, b = value, + an = a.length, + bn = b.length + a.$lock = true + if (an > bn) { + a.splice(bn, an - bn) + } else if (bn > an) { + a.push.apply(a, b.slice(an)) + } + var n = Math.min(an, bn) + for (var i = 0; i < n; i++) { + a.set(i, b[i]) + } + delete a.$lock + a._fire("set") + } else if (valueType === "object") { + var newPropertyNames = Object.keys(value).join("­") + if (son.$propertyNames === newPropertyNames) { + for (i in value) { + son[i] = value[i] + } + } else { + var sson = accessor._vmodel = modelFactory(value) + var sevent = sson.$events + var oevent = son.$events + for (var i in sevent) { + var arr = sevent[i] + if (Array.isArray(arr)) { + arr = arr.concat(oevent[i]) + } + } + sevent[subscribers] = oevent[subscribers] + sson.$proxy = son.$proxy + son = sson + } + } + 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.$model[this._name] = this._value = value +} + +function globalNotify(vmodel, value, oldValue) { + var name = this._name + var array = vmodel.$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] + } + 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 array = this.$model.slice(pos, pos + n).map(function (el) { + if (rcomplexType.test(avalon.type(el))) { + return el.$id ? el : modelFactory(el, 0, el) + } else { + return el + } + }) + /* jshint ignore:end */ + _splice.apply(this, [pos, 0].concat(array)) + this._fire("add", pos, n) + break + case "del": + var ret = this._splice(pos, n) + this._fire("del", pos, n) + break + } + if (method2) { + method = method2 + pos = pos2 + n = n2 + loop = 2 + method2 = 0 + } + } + this._fire("index", 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 () { + this.$model.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--) { + var el = this[i] + if (all(el, 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 + this._fire("set", index, val) + } + } + 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) + this._fire("index", 0) + } + return this + } +}) + + +/********************************************************************* + * 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 valueFn = data.evaluator + if (valueFn) { //如果是求值函数 + dependencyDetection.begin({ + callback: function (vmodel, dependency) { + injectDependency(vmodel.$events[dependency._name], data) + } + }) + try { + var value = ronduplex.test(data.type) ? data : valueFn.apply(0, data.args) + if(value === void 0){ + delete data.evaluator + } + data.handler(value, 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.oneTime ? "::" : "") + 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) { + if (data.oneTime) + return + if (list && 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 { + var valueFn = fn.evaluator + if (fn.$repeat) { + fn.handler.apply(fn, args) //处理监控数组的方法 + }else if("$repeat" in fn || !valueFn ){//如果没有eval,先eval + bindingHandlers[fn.type](fn, fn.vmodels) + } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发 + var value = valueFn.apply(0, fn.args || []) + fn.handler(value, el, fn) + } + } catch (e) { } + } + } + } +} +/********************************************************************* + * 定时GC回收机制 * + **********************************************************************/ +var disposeCount = 0 +var disposeQueue = avalon.$$subscribers = [] +var beginTime = new Date() +var oldInfo = {} +var uuid2Node = {} +function getUid(obj, makeID) { //IE9+,标准浏览器 + if (!obj.uuid && !makeID) { + obj.uuid = ++disposeCount + uuid2Node[obj.uuid] = obj + } + return obj.uuid +} +function getNode(uuid) { + return uuid2Node[uuid] +} +//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] + delete uuid2Node[data.element.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 + "." + for (var i = vars.length, prop; prop = vars[--i]; ) { + if (scope.hasOwnProperty(prop)) { + ret.push(prop + prefix + prop) + data.vars.push(prop) + if (data.type === "duplex") { + vars.get = name + "." + prop + } + 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 roneTime = /^\s*::/ +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 newValue = value.replace(roneTime, "") + var oneTime = value !== newValue + var binding = { + type: type, + param: param, + element: elem, + name: name, + value: newValue, + oneTime: oneTime, + uuid: name+"-"+getUid(elem), + //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 nodes = avalon.slice(parent.childNodes) + scanNodeArray(nodes, vmodels) +} + +function scanNodeArray(nodes, vmodels) { + for (var i = 0, node; node = nodes[i++];) { + switch (node.nodeType) { + case 1: + scanTag(node, vmodels) //扫描元素节点 + if (node.msCallback) { + node.msCallback() + node.msCallback = void 0 + } + break + case 3: + if(rexpr.test(node.nodeValue)){ + scanText(node, vmodels, i) //扫描文本节点 + } + break + } + } +} + + +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(?:\b|$)/, + r11a = /\|\|/g, + rlt = /</g, + rgt = />/g, + rstringLiteral = /(['"])(\\\1|.)+?\1/g +function getToken(value) { + 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), + 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, index) { + var bindings = [] + 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.value = token.value.replace(roneTime, function () { + token.oneTime = true + return "" + }) + token.type = "text" + token.element = node + token.filters = token.filters.replace(rhasHtml, function (a, b,c) { + token.type = "html" + return "" + })// jshint ignore:line + token.pos = index * 1000 + i + 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 + setters[this.tagName].call(this, value) + if (rmsinput.test(this.type) && !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] + } + var val = data.pipe(element.value, data, "get") + avalon.Array[method](array, val) + callback.call(element, array) + } + } + + data.handler = function() { + var array = [].concat(evaluator()) //强制转换为数组 + var val = data.pipe(element.value, data, "get") + element.checked = array.indexOf(val) > -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 (root.contains(element)) { + 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) + data.proxies = [] + 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)) { + 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, $repeat.length) + } +} + +bindingExecutors.repeat = function (method, pos, el) { + if (!method && this.$with) { + method = "append" + var flag = "update" + } + if (method) { + var data = this, start, fragment + var end = data.element + var comments = getComments(data) + var parent = end.parentNode + var proxies = data.proxies + 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 = [] + for (var i = pos; i < n; i++) { + var proxy = eachProxyAgent(i, data) + proxies.splice(i, 0, proxy) + 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) { + avalon.optimize = null + } + 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) + var removed = proxies.splice(pos, el) + recycleProxies(removed, "each") + break + case "clear": + start = comments[0] + if (start) { + sweepNodes(start, end) + if (data.$with) { + parent.insertBefore(start, end) + } + } + recycleProxies(proxies, "each") + break + case "move": + start = comments[0] + if (start) { + var signature = start.nodeValue + var rooms = [] + var room = [], + node + sweepNodes(start, end, function () { + room.unshift(this) + if (this.nodeValue === signature) { + rooms.unshift(room) + room = [] + } + }) + sortByIndex(rooms, pos) + sortByIndex(proxies, pos) + while (room = rooms.shift()) { + while (node = room.shift()) { + transation.appendChild(node) + } + } + parent.insertBefore(transation, end) + } + break + case "index": //将proxies中的第pos个起的所有元素重新索引 + var last = proxies.length - 1 + for (; el = proxies[pos]; pos++) { + el.$index = pos + el.$first = pos === 0 + el.$last = pos === last + } + return + case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意) + proxy = proxies[pos] + if (proxy) { + fireDependencies(proxy.$events[data.param || "el"]) + } + break + case "append": + var object = data.$repeat //原来第2参数, 被循环对象 + var oldProxy = object.$proxy //代理对象组成的hash + var keys = [] + now = new Date() - 0 + avalon.optimize = avalon.optimize || now + if (flag === "update") { + if (!data.evaluator) { + parseExprProxy(data.value, data.vmodels, data, 0, 1) + } + object = data.$repeat = data.evaluator.apply(0, data.args || []) + object.$proxy = oldProxy + } + var pool = object.$proxy || {} + removed = [] + var nodes = data.element.parentNode.childNodes + var add = false + for (i = 0; node = nodes[i++]; ) { + if (node.nodeValue === data.signature) { + add = true + } else if (node.nodeValue === data.signature + ":end") { + add = false + } + if (add) { + removed.push(node) + } + } + + var indexNode = [], item + var keyIndex = data.keyIndex || (data.keyIndex = {}) + //将现有的节点全部移出DOM树 + for ( i = 0; i < removed.length; i++) { + el = removed[i] + if (el.nodeValue === data.signature) { + item = avalonFragment.cloneNode(false) + indexNode.push(item) + } + item.appendChild(el) + } + + + for (var key in object) { //当前对象的所有键名 + if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") { + keys.push(key) + } + } + + for (var i = 0; key = keys[i++]; ) { + if (!pool.hasOwnProperty(key)) {//添加缺失的代理VM + pool[key] = withProxyAgent(pool[key], key, data) + } else { + pool[key].$val = object[key] + } + } + + for ( key in pool) { + if (keys.indexOf(key) === -1) {//删除没用的代理VM + proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM + delete pool[key] + } + } + var fragments = [] + var renderKeys = keys //需要渲染到DOM树去的键名 + var end = data.element + 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)) { + renderKeys = keys2 + } + } + + for (i = 0; i < renderKeys.length; i++) { + key = renderKeys[i] + if (typeof keyIndex[key] === "number") { + transation.appendChild(indexNode[keyIndex[key]]) + fragments.push({}) + } else { + shimController(data, transation, pool[key], fragments) + } + } + + for (i = 0; i < renderKeys.length; i++) { + keyIndex[renderKeys[i]] = i + } + + for (i = 0; fragment = fragments[i++]; ) { + if (fragment.nodes) { + scanNodeArray(fragment.nodes, fragment.vmodels) + fragment.nodes = fragment.vmodels = null + } + } + if (avalon.optimize === now) { + avalon.optimize = null + } + parent.insertBefore(transation, end) + avalon.profile("插入操作花费了 " + (new Date - now)) + break + } + if (!data.$repeat || data.$repeat.hasOwnProperty("$lock")) //IE6-8 VBScript对象会报错, 有时候data.$repeat不存在 + return + if (method === "clear") + method = "del" + var callback = data.renderedCallback || noop, + args = arguments + if (parent.oldValue && parent.tagName === "SELECT") { //fix #503 + avalon(parent).val(parent.oldValue.split(",")) + } + callback.apply(parent, args) + } +} +"with,each".replace(rword, function (name) { + bindingHandlers[name] = bindingHandlers.repeat +}) + +function shimController(data, transation, proxy, fragments) { + var content = data.template.cloneNode(true) + var nodes = avalon.slice(content.childNodes) + 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 ret = [] + var nodes = data.element.parentNode.childNodes + for(var i= 0, node; node = nodes[i++];){ + if(node.nodeValue === data.signature){ + ret.push( node ) + }else if(node.nodeValue === data.signature+":end"){ + break + } + } + return ret +} + + +//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() + } else { + proxy.$reinitialize() + } + var host = data.$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 recycleProxies(proxies) { + eachProxyRecycler(proxies) +} +function eachProxyRecycler(proxies) { + proxies.forEach(function (proxy) { + proxyRecycler(proxy, eachProxyPool) + }) + proxies.length = 0 +} + + +var eachProxyPool = [] +function eachProxyFactory(name) { + var source = { + $host: [], + $outer: {}, + $index: 0, + $first: false, + $last: false, + $remove: avalon.noop + } + source[name] = { + get: function () { + var e = this.$events + var array = e.$index + e.$index = e[name] //#817 通过$index为el收集依赖 + try { + return this.$host[this.$index] + } finally { + e.$index = array + } + }, + set: function (val) { + try { + var e = this.$events + var array = e.$index + e.$index = [] + this.$host.set(this.$index, val) + } finally { + e.$index = array + } + } + } + var second = { + $last: 1, + $first: 1, + $index: 1 + } + var proxy = modelFactory(source, second) + proxy.$id = generateID("$proxy$each") + return proxy +} + +function eachProxyAgent(index, data) { + var param = data.param || "el", + proxy + for (var i = 0, n = eachProxyPool.length; i < n; i++) { + var candidate = eachProxyPool[i] + if (candidate && candidate.hasOwnProperty(param)) { + proxy = candidate + eachProxyPool.splice(i, 1) + } + } + if (!proxy) { + proxy = eachProxyFactory(param) + } + var host = data.$repeat + var last = host.length - 1 + proxy.$index = index + proxy.$first = index === 0 + proxy.$last = index === last + proxy.$host = host + proxy.$outer = data.$outer + proxy.$remove = function () { + return host.removeAt(proxy.$index) + } + return proxy +} + + +function proxyRecycler(proxy, proxyPool) { + for (var i in proxy.$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.$outer = {} + if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) { + proxyPool.pop() + } +} +/********************************************************************* + * 各种指令 * + **********************************************************************/ +//ms-skip绑定已经在scanTag 方法中实现 +// bindingHandlers.text 定义在if.js +bindingExecutors.text = function(val, elem) { + val = val == null ? "" : val //不在页面上显示undefined null + if (elem.nodeType === 3) { //绑定在文本节点上 + try { //IE对游离于DOM树外的节点赋值会报错 + elem.data = val + } catch (e) {} + } else { //绑定在特性节点上 + if ("textContent" in elem) { + elem.textContent = val + } else { + elem.innerText = val + } + } +} +function parseDisplay(nodeName, val) { + //用于取得此类标签的默认display值 + var key = "_" + nodeName + if (!parseDisplay[key]) { + var node = DOC.createElement(nodeName) + root.appendChild(node) + if (W3C) { + val = getComputedStyle(node, null).display + } else { + val = node.currentStyle.display + } + root.removeChild(node) + parseDisplay[key] = val + } + return parseDisplay[key] +} + +avalon.parseDisplay = parseDisplay + +bindingHandlers.visible = function(data, vmodels) { + var elem = data.element + var display = elem.style.display + if(display === "none"){ + display = parseDisplay(elem.nodeName) + } + data.display = display + parseExprProxy(data.value, vmodels, data) +} + +bindingExecutors.visible = function(val, elem, data) { + elem.style.display = val ? data.display : "none" +} +bindingHandlers.widget = function(data, vmodels) { + var args = data.value.match(rword) + var elem = data.element + var widget = args[0] + var id = args[1] + if (!id || id === "$") { //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: true +}) + +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 + +}));
\ No newline at end of file |