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phpwind官方的wind.js
/*!
* HeadJS The only script in your <HEAD>
* Author Tero Piirainen (tipiirai)
* Maintainer Robert Hoffmann (itechnology)
* License MIT / http://bit.ly/mit-license
*
* Version 0.99
* http://headjs.com
*/
/* modify : head ==> Wind */
; (function (win, undefined) {
"use strict";
var doc = win.document,
domWaiters = [],
queue = [], // waiters for the "head ready" event
handlers = {}, // user functions waiting for events
assets = {}, // loadable items in various states
isAsync = "async" in doc.createElement("script") || "MozAppearance" in doc.documentElement.style || win.opera,
isHeadReady,
isDomReady,
/*** public API ***/
headVar = win.head_conf && win.head_conf.head || "Wind",
api = win[headVar] = (win[headVar] || function () { api.ready.apply(null, arguments); }),
// states
PRELOADING = 1,
PRELOADED = 2,
LOADING = 3,
LOADED = 4;
// Method 1: simply load and let browser take care of ordering
if (isAsync) {
api.load = function () {
///<summary>
/// INFO: use cases
/// head.load("http://domain.com/file.js","http://domain.com/file.js", callBack)
/// head.load({ label1: "http://domain.com/file.js" }, { label2: "http://domain.com/file.js" }, callBack)
///</summary>
var args = arguments,
callback = args[args.length - 1],
items = {};
if (!isFunction(callback)) {
callback = null;
}
each(args, function (item, i) {
if (item !== callback) {
item = getAsset(item);
items[item.name] = item;
load(item, callback && i === args.length - 2 ? function () {
if (allLoaded(items)) {
one(callback);
}
} : null);
}
});
return api;
};
// Method 2: preload with text/cache hack
} else {
api.load = function () {
var args = arguments,
rest = [].slice.call(args, 1),
next = rest[0];
// wait for a while. immediate execution causes some browsers to ignore caching
if (!isHeadReady) {
queue.push(function () {
api.load.apply(null, args);
});
return api;
}
// multiple arguments
if (!!next) {
/* Preload with text/cache hack (not good!)
* http://blog.getify.com/on-script-loaders/
* http://www.nczonline.net/blog/2010/12/21/thoughts-on-script-loaders/
* If caching is not configured correctly on the server, then items could load twice !
*************************************************************************************/
each(rest, function (item) {
if (!isFunction(item)) {
preLoad(getAsset(item));
}
});
// execute
load(getAsset(args[0]), isFunction(next) ? next : function () {
api.load.apply(null, rest);
});
}
else {
// single item
load(getAsset(args[0]));
}
return api;
};
}
// INFO: for retro compatibility
api.js = api.load;
api.test = function (test, success, failure, callback) {
///<summary>
/// INFO: use cases:
/// head.test(condition, null , "file.NOk" , callback);
/// head.test(condition, "fileOk.js", null , callback);
/// head.test(condition, "fileOk.js", "file.NOk" , callback);
/// head.test(condition, "fileOk.js", ["file.NOk", "file.NOk"], callback);
/// head.test({
/// test : condition,
/// success : [{ label1: "file1Ok.js" }, { label2: "file2Ok.js" }],
/// failure : [{ label1: "file1NOk.js" }, { label2: "file2NOk.js" }],
/// callback: callback
/// );
/// head.test({
/// test : condition,
/// success : ["file1Ok.js" , "file2Ok.js"],
/// failure : ["file1NOk.js", "file2NOk.js"],
/// callback: callback
/// );
///</summary>
var obj = (typeof test === 'object') ? test : {
test: test,
success: !!success ? isArray(success) ? success : [success] : false,
failure: !!failure ? isArray(failure) ? failure : [failure] : false,
callback: callback || noop
};
// Test Passed ?
var passed = !!obj.test;
// Do we have a success case
if (passed && !!obj.success) {
obj.success.push(obj.callback);
api.load.apply(null, obj.success);
}
// Do we have a fail case
else if (!passed && !!obj.failure) {
obj.failure.push(obj.callback);
api.load.apply(null, obj.failure);
}
else {
callback();
}
return api;
};
api.ready = function (key, callback) {
///<summary>
/// INFO: use cases:
/// head.ready(callBack)
/// head.ready(document , callBack)
/// head.ready("file.js", callBack);
/// head.ready("label" , callBack);
///</summary>
// DOM ready check: head.ready(document, function() { });
if (key === doc) {
if (isDomReady) {
one(callback);
}
else {
domWaiters.push(callback);
}
return api;
}
// shift arguments
if (isFunction(key)) {
callback = key;
key = "ALL";
}
// make sure arguments are sane
if (typeof key !== 'string' || !isFunction(callback)) {
return api;
}
// This can also be called when we trigger events based on filenames & labels
var asset = assets[key];
// item already loaded --> execute and return
if (asset && asset.state === LOADED || key === 'ALL' && allLoaded() && isDomReady) {
one(callback);
return api;
}
var arr = handlers[key];
if (!arr) {
arr = handlers[key] = [callback];
}
else {
arr.push(callback);
}
return api;
};
// perform this when DOM is ready
api.ready(doc, function () {
if (allLoaded()) {
each(handlers.ALL, function (callback) {
one(callback);
});
}
if (api.feature) {
api.feature("domloaded", true);
}
});
/* private functions
*********************/
function noop() {
// does nothing
}
function each(arr, callback) {
if (!arr) {
return;
}
// arguments special type
if (typeof arr === 'object') {
arr = [].slice.call(arr);
}
// do the job
for (var i = 0, l = arr.length; i < l; i++) {
callback.call(arr, arr[i], i);
}
}
/* A must read: http://bonsaiden.github.com/JavaScript-Garden
************************************************************/
function is(type, obj) {
var clas = Object.prototype.toString.call(obj).slice(8, -1);
return obj !== undefined && obj !== null && clas === type;
}
function isFunction(item) {
return is("Function", item);
}
function isArray(item) {
return is("Array", item);
}
function toLabel(url) {
///<summary>Converts a url to a file label</summary>
var items = url.split("/"),
name = items[items.length - 1],
i = name.indexOf("?");
return i !== -1 ? name.substring(0, i) : name;
}
// INFO: this look like a "im triggering callbacks all over the place, but only wanna run it one time function" ..should try to make everything work without it if possible
// INFO: Even better. Look into promises/defered's like jQuery is doing
function one(callback) {
///<summary>Execute a callback only once</summary>
callback = callback || noop;
if (callback._done) {
return;
}
callback();
callback._done = 1;
}
function getAsset(item) {
///<summary>
/// Assets are in the form of
/// {
/// name : label,
/// url : url,
/// state: state
/// }
///</summary>
var asset = {};
if (typeof item === 'object') {
for (var label in item) {
if (!!item[label]) {
asset = {
name: label,
url : item[label]
};
}
}
}
else {
asset = {
name: toLabel(item),
url : item
};
}
// is the item already existant
var existing = assets[asset.name];
if (existing && existing.url === asset.url) {
return existing;
}
assets[asset.name] = asset;
return asset;
}
function allLoaded(items) {
items = items || assets;
for (var name in items) {
if (items.hasOwnProperty(name) && items[name].state !== LOADED) {
return false;
}
}
return true;
}
function onPreload(asset) {
asset.state = PRELOADED;
each(asset.onpreload, function (afterPreload) {
afterPreload.call();
});
}
function preLoad(asset, callback) {
if (asset.state === undefined) {
asset.state = PRELOADING;
asset.onpreload = [];
loadAsset({ url: asset.url, type: 'cache' }, function () {
onPreload(asset);
});
}
}
function load(asset, callback) {
///<summary>Used with normal loading logic</summary>
callback = callback || noop;
if (asset.state === LOADED) {
callback();
return;
}
// INFO: why would we trigger a ready event when its not really loaded yet ?
if (asset.state === LOADING) {
api.ready(asset.name, callback);
return;
}
if (asset.state === PRELOADING) {
asset.onpreload.push(function () {
load(asset, callback);
});
return;
}
asset.state = LOADING;
loadAsset(asset, function () {
asset.state = LOADED;
callback();
// handlers for this asset
each(handlers[asset.name], function (fn) {
one(fn);
});
// dom is ready & no assets are queued for loading
// INFO: shouldn't we be doing the same test above ?
if (isDomReady && allLoaded()) {
each(handlers.ALL, function (fn) {
one(fn);
});
}
});
}
/* Parts inspired from: https://github.com/cujojs/curl
******************************************************/
function loadAsset(asset, callback) {
callback = callback || noop;
var ele;
if (/\.css[^\.]*$/.test(asset.url)) {
ele = doc.createElement('link');
ele.type = 'text/' + (asset.type || 'css');
ele.rel = 'stylesheet';
ele.href = asset.url;
}
else {
ele = doc.createElement('script');
ele.type = 'text/' + (asset.type || 'javascript');
ele.src = asset.url;
}
ele.onload = ele.onreadystatechange = process;
ele.onerror = error;
/* Good read, but doesn't give much hope !
* http://blog.getify.com/on-script-loaders/
* http://www.nczonline.net/blog/2010/12/21/thoughts-on-script-loaders/
* https://hacks.mozilla.org/2009/06/defer/
*/
// ASYNC: load in parellel and execute as soon as possible
ele.async = false;
// DEFER: load in parallel but maintain execution order
ele.defer = false;
function error(event) {
event = event || win.event;
// need some more detailed error handling here
// release event listeners
ele.onload = ele.onreadystatechange = ele.onerror = null;
// do callback
callback();
}
function process(event) {
event = event || win.event;
// IE 7/8 (2 events on 1st load)
// 1) event.type = readystatechange, s.readyState = loading
// 2) event.type = readystatechange, s.readyState = loaded
// IE 7/8 (1 event on reload)
// 1) event.type = readystatechange, s.readyState = complete
// event.type === 'readystatechange' && /loaded|complete/.test(s.readyState)
// IE 9 (3 events on 1st load)
// 1) event.type = readystatechange, s.readyState = loading
// 2) event.type = readystatechange, s.readyState = loaded
// 3) event.type = load , s.readyState = loaded
// IE 9 (2 events on reload)
// 1) event.type = readystatechange, s.readyState = complete
// 2) event.type = load , s.readyState = complete
// event.type === 'load' && /loaded|complete/.test(s.readyState)
// event.type === 'readystatechange' && /loaded|complete/.test(s.readyState)
// IE 10 (3 events on 1st load)
// 1) event.type = readystatechange, s.readyState = loading
// 2) event.type = load , s.readyState = complete
// 3) event.type = readystatechange, s.readyState = loaded
// IE 10 (3 events on reload)
// 1) event.type = readystatechange, s.readyState = loaded
// 2) event.type = load , s.readyState = complete
// 3) event.type = readystatechange, s.readyState = complete
// event.type === 'load' && /loaded|complete/.test(s.readyState)
// event.type === 'readystatechange' && /complete/.test(s.readyState)
// Other Browsers (1 event on 1st load)
// 1) event.type = load, s.readyState = undefined
// Other Browsers (1 event on reload)
// 1) event.type = load, s.readyState = undefined
// event.type == 'load' && s.readyState = undefined
// !doc.documentMode is for IE6/7, IE8+ have documentMode
if (event.type === 'load' || (/loaded|complete/.test(ele.readyState) && (!doc.documentMode || doc.documentMode < 9))) {
// release event listeners
ele.onload = ele.onreadystatechange = ele.onerror = null;
// do callback
callback();
}
// emulates error on browsers that don't create an exception
// INFO: timeout not clearing ..why ?
//asset.timeout = win.setTimeout(function () {
// error({ type: "timeout" });
//}, 3000);
}
// use insertBefore to keep IE from throwing Operation Aborted (thx Bryan Forbes!)
var head = doc['head'] || doc.getElementsByTagName('head')[0];
// but insert at end of head, because otherwise if it is a stylesheet, it will not ovverride values
head.insertBefore(ele, head.lastChild);
}
/* Mix of stuff from jQuery & IEContentLoaded
* http://dev.w3.org/html5/spec/the-end.html#the-end
***************************************************/
function domReady() {
// Make sure body exists, at least, in case IE gets a little overzealous (jQuery ticket #5443).
if (!doc.body) {
// let's not get nasty by setting a timeout too small.. (loop mania guaranteed if assets are queued)
win.clearTimeout(api.readyTimeout);
api.readyTimeout = win.setTimeout(domReady, 50);
return;
}
if (!isDomReady) {
isDomReady = true;
each(domWaiters, function (fn) {
one(fn);
});
}
}
function domContentLoaded() {
// W3C
if (doc.addEventListener) {
doc.removeEventListener("DOMContentLoaded", domContentLoaded, false);
domReady();
}
// IE
else if (doc.readyState === "complete") {
// we're here because readyState === "complete" in oldIE
// which is good enough for us to call the dom ready!
doc.detachEvent("onreadystatechange", domContentLoaded);
domReady();
}
};
// Catch cases where ready() is called after the browser event has already occurred.
// we once tried to use readyState "interactive" here, but it caused issues like the one
// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
if (doc.readyState === "complete") {
domReady();
}
// W3C
else if (doc.addEventListener) {
doc.addEventListener("DOMContentLoaded", domContentLoaded, false);
// A fallback to window.onload, that will always work
win.addEventListener("load", domReady, false);
}
// IE
else {
// Ensure firing before onload, maybe late but safe also for iframes
doc.attachEvent("onreadystatechange", domContentLoaded);
// A fallback to window.onload, that will always work
win.attachEvent("onload", domReady);
// If IE and not a frame
// continually check to see if the document is ready
var top = false;
try {
top = win.frameElement == null && doc.documentElement;
} catch (e) { }
if (top && top.doScroll) {
(function doScrollCheck() {
if (!isDomReady) {
try {
// Use the trick by Diego Perini
// http://javascript.nwbox.com/IEContentLoaded/
top.doScroll("left");
} catch (error) {
// let's not get nasty by setting a timeout too small.. (loop mania guaranteed if assets are queued)
win.clearTimeout(api.readyTimeout);
api.readyTimeout = win.setTimeout(doScrollCheck, 50);
return;
}
// and execute any waiting functions
domReady();
}
})();
}
}
/*
We wait for 300 ms before asset loading starts. for some reason this is needed
to make sure assets are cached. Not sure why this happens yet. A case study:
https://github.com/headjs/headjs/issues/closed#issue/83
*/
setTimeout(function () {
isHeadReady = true;
each(queue, function (fn) {
fn();
});
}, 300);
// browser type & version
var ua = navigator.userAgent.toLowerCase();
ua = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
/(msie) ([\w.]+)/.exec( ua ) ||
!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) || [];
if (ua[1] == 'msie') {
ua[1] = 'ie';
ua[2] = document.documentMode || ua[2];
}
api.browser = { version: ua[2] };
api.browser[ua[1]] = true;
// IE specific
if (api.browser.ie) {
// HTML5 support
each("abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video".split("|"), function(el) {
doc.createElement(el);
});
}
})(window);
/*********Wind JS*********/
/*
* PHPWind JS core
* @Copyright : Copyright 2011, phpwind.com
* @Descript : PHPWind核心JS
* @Author : chaoren1641@gmail.com
* @Thanks : head.js (http://headjs.com)
* $Id: wind.js 23158 2013-01-06 11:47:46Z hao.lin $ :
*/
/*
* 防止浏览器不支持console报错
*/
if(!window.console) {
window.console = {};
var funs = ["profiles", "memory", "_commandLineAPI", "debug", "error", "info", "log", "warn", "dir", "dirxml", "trace", "assert", "count", "markTimeline", "profile", "profileEnd", "time", "timeEnd", "timeStamp", "group", "groupCollapsed", "groupEnd"];
for(var i = 0;i < funs.length; i++) {
console[funs[i]] = function() {};
}
}
/*
*解决ie6下不支持背景缓存
*/
Wind.ready(function() {
if (!+'\v1' && !('maxHeight' in document.body.style)) {
try{
document.execCommand("BackgroundImageCache", false, true);
}catch(e){}
}
});
/*
*wind core
*/
(function(win) {
var root = win.GV.JS_ROOT || location.origin + '/js/dev/', //在wind.js加载之前定义GV.JS_ROOT
ver = win.GV.JS_VERSION.replace(/(\s)/g, '_') || '9.0',
//定义常用JS组件别名,使用别名加载
alias = {
datePicker : 'ui_libs/datePicker/datePicker',
dialog : 'ui_libs/dialog/dialog',
dragSort : 'ui_libs/dragSort/dragSort',
chosen : 'ui_libs/chosen/chosen',
colorPicker : 'ui_libs/colorPicker/colorPicker',
global : 'pages/common/global',
jquery : 'jquery',
region : 'ui_libs/region/region',
school : 'ui_libs/school/school',
tabs : 'ui_libs/tabs/tabs',
//jquery util plugs
ajaxForm : 'util_libs/ajaxForm',
bgiframe : 'util_libs/bgiframe',
dateSelect : 'util_libs/dateSelect',
draggable : 'util_libs/draggable',
dragsort : 'util_libs/dragsort',
dragUpload : 'util_libs/dragUpload',
emailAutoMatch : 'util_libs/emailAutoMatch',
gallerySlide : 'util_libs/gallerySlide',
hotkeys : 'util_libs/hotkeys',
hoverdelay : 'util_libs/hoverdelay',
lazyload : 'util_libs/lazyload',
lazySlide : 'util_libs/lazySlide',
localStorage : 'util_libs/localStorage',
rangeInsert : 'util_libs/rangeInsert',
requestFullScreen : 'util_libs/requestFullScreen',
scrollFixed : 'util_libs/scrollFixed',
slides : 'util_libs/slides',
slidePlayer : 'util_libs/slidePlayer',
timeago : 'util_libs/timeago',
tablesorter : 'util_libs/tablesorter',
textCopy : 'util_libs/textCopy/textCopy',
uploadPreview : 'util_libs/uploadPreview',
validate : 'util_libs/validate',
//windeditor
windeditor : 'windeditor/windeditor',
//native js util plugs
swfupload : 'util_libs/swfupload/swfupload'
},
alias_css = {
colorPicker : 'ui_libs/colorPicker/style',
datePicker : 'ui_libs/datePicker/style',
chosen : 'ui_libs/chosen/chosen'
};
//add suffix and version
for(var i in alias) {
if (alias.hasOwnProperty(i)) {
alias[i] = root + alias[i] +'.js?v=' + ver;
}
}
for(var i in alias_css) {
if (alias_css.hasOwnProperty(i)) {
alias_css[i] = root + alias_css[i] +'.css?v=' + ver;
}
}
//css loader
win.Wind = win.Wind || {};
//!TODO old webkit and old firefox does not support
Wind.css = function(alias/*alias or path*/,callback) {
var url = alias_css[alias] ? alias_css[alias] : alias
var link = document.createElement('link');
link.rel = 'stylesheet';
link.href = url;
link.onload = link.onreadystatechange = function() {//chrome link无onload事件
var state = link.readyState;
if (callback && !callback.done && (!state || /loaded|complete/.test(state))) {
callback.done = true;
callback();
}
}
document.getElementsByTagName('head')[0].appendChild(link);
};
//Using the alias to load the script file
Wind.use = function() {
var args = arguments,len = args.length;
for( var i = 0;i < len;i++ ) {
if(typeof args[i] === 'string' && alias[args[i]]) {
args[i] = alias[args[i]];
}
}
Wind.js.apply(null,args);
};
//Wind javascript template (author: John Resig http://ejohn.org/blog/javascript-micro-templating/)
var cache = {};
Wind.tmpl = function (str, data) {
var fn = !/\W/.test(str) ? cache[str] = cache[str] || tmpl(str) :
new Function("obj", "var p=[],print=function(){p.push.apply(p,arguments);};" +
"with(obj){p.push('" +
str.replace(/[\r\t\n]/g, " ").split("<%").join("\t").replace(/((^|%>)[^\t]*)'/g, "$1\r").replace(/\t=(.*?)%>/g, "',$1,'").split("\t").join("');").split("%>").join("p.push('").split("\r").join("\\'") + "');}return p.join('');");
return data ? fn(data) : fn;
};
//Wind全局功能函数命名空间
Wind.Util = {}
})(window);
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