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- /*! WebUploader 0.1.2 */
- /**
- * @fileOverview 让内部各个部件的代码可以用[amd](https://github.com/amdjs/amdjs-api/wiki/AMD)模块定义方式组织起来。
- *
- * AMD API 内部的简单不完全实现,请忽略。只有当WebUploader被合并成一个文件的时候才会引入。
- */
- (function (root, factory) {
- var modules = {},
- // 内部require, 简单不完全实现。
- // https://github.com/amdjs/amdjs-api/wiki/require
- _require = function (deps, callback) {
- var args, len, i;
- // 如果deps不是数组,则直接返回指定module
- if (typeof deps === 'string') {
- return getModule(deps);
- } else {
- args = [];
- for (len = deps.length, i = 0; i < len; i++) {
- args.push(getModule(deps[i]));
- }
- return callback.apply(null, args);
- }
- },
- // 内部define,暂时不支持不指定id.
- _define = function (id, deps, factory) {
- if (arguments.length === 2) {
- factory = deps;
- deps = null;
- }
- _require(deps || [], function () {
- setModule(id, factory, arguments);
- });
- },
- // 设置module, 兼容CommonJs写法。
- setModule = function (id, factory, args) {
- var module = {
- exports: factory
- },
- returned;
- if (typeof factory === 'function') {
- args.length || (args = [_require, module.exports, module]);
- returned = factory.apply(null, args);
- returned !== undefined && (module.exports = returned);
- }
- modules[id] = module.exports;
- },
- // 根据id获取module
- getModule = function (id) {
- var module = modules[id] || root[id];
- if (!module) {
- throw new Error('`' + id + '` is undefined');
- }
- return module;
- },
- // 将所有modules,将路径ids装换成对象。
- exportsTo = function (obj) {
- var key, host, parts, part, last, ucFirst;
- // make the first character upper case.
- ucFirst = function (str) {
- return str && (str.charAt(0).toUpperCase() + str.substr(1));
- };
- for (key in modules) {
- host = obj;
- if (!modules.hasOwnProperty(key)) {
- continue;
- }
- parts = key.split('/');
- last = ucFirst(parts.pop());
- while ((part = ucFirst(parts.shift()))) {
- host[part] = host[part] || {};
- host = host[part];
- }
- host[last] = modules[key];
- }
- },
- exports = factory(root, _define, _require),
- origin;
- // exports every module.
- exportsTo(exports);
- if (typeof module === 'object' && typeof module.exports === 'object') {
- // For CommonJS and CommonJS-like environments where a proper window is present,
- module.exports = exports;
- } else if (typeof define === 'function' && define.amd) {
- // Allow using this built library as an AMD module
- // in another project. That other project will only
- // see this AMD call, not the internal modules in
- // the closure below.
- define([], exports);
- } else {
- // Browser globals case. Just assign the
- // result to a property on the global.
- origin = root.WebUploader;
- root.WebUploader = exports;
- root.WebUploader.noConflict = function () {
- root.WebUploader = origin;
- };
- }
- })(this, function (window, define, require) {
- /**
- * @fileOverview jQuery or Zepto
- */
- define('dollar-third', [], function () {
- return window.jQuery || window.Zepto;
- });
- /**
- * @fileOverview Dom 操作相关
- */
- define('dollar', [
- 'dollar-third'
- ], function (_) {
- return _;
- });
- /**
- * @fileOverview 使用jQuery的Promise
- */
- define('promise-third', [
- 'dollar'
- ], function ($) {
- return {
- Deferred: $.Deferred,
- when: $.when,
- isPromise: function (anything) {
- return anything && typeof anything.then === 'function';
- }
- };
- });
- /**
- * @fileOverview Promise/A+
- */
- define('promise', [
- 'promise-third'
- ], function (_) {
- return _;
- });
- /**
- * @fileOverview 基础类方法。
- */
- /**
- * Web Uploader内部类的详细说明,以下提及的功能类,都可以在`WebUploader`这个变量中访问到。
- *
- * As you know, Web Uploader的每个文件都是用过[AMD](https://github.com/amdjs/amdjs-api/wiki/AMD)规范中的`define`组织起来的, 每个Module都会有个module id.
- * 默认module id该文件的路径,而此路径将会转化成名字空间存放在WebUploader中。如:
- *
- * * module `base`:WebUploader.Base
- * * module `file`: WebUploader.File
- * * module `lib/dnd`: WebUploader.Lib.Dnd
- * * module `runtime/html5/dnd`: WebUploader.Runtime.Html5.Dnd
- *
- *
- * 以下文档将可能省略`WebUploader`前缀。
- * @module WebUploader
- * @title WebUploader API文档
- */
- define('base', [
- 'dollar',
- 'promise'
- ], function ($, promise) {
- var noop = function () {
- },
- call = Function.call;
- // http://jsperf.com/uncurrythis
- // 反科里化
- function uncurryThis(fn) {
- return function () {
- return call.apply(fn, arguments);
- };
- }
- function bindFn(fn, context) {
- return function () {
- return fn.apply(context, arguments);
- };
- }
- function createObject(proto) {
- var f;
- if (Object.create) {
- return Object.create(proto);
- } else {
- f = function () {
- };
- f.prototype = proto;
- return new f();
- }
- }
- /**
- * 基础类,提供一些简单常用的方法。
- * @class Base
- */
- return {
- /**
- * @property {String} version 当前版本号。
- */
- version: '0.1.2',
- /**
- * @property {jQuery|Zepto} $ 引用依赖的jQuery或者Zepto对象。
- */
- $: $,
- Deferred: promise.Deferred,
- isPromise: promise.isPromise,
- when: promise.when,
- /**
- * @description 简单的浏览器检查结果。
- *
- * * `webkit` webkit版本号,如果浏览器为非webkit内核,此属性为`undefined`。
- * * `chrome` chrome浏览器版本号,如果浏览器为chrome,此属性为`undefined`。
- * * `ie` ie浏览器版本号,如果浏览器为非ie,此属性为`undefined`。**暂不支持ie10+**
- * * `firefox` firefox浏览器版本号,如果浏览器为非firefox,此属性为`undefined`。
- * * `safari` safari浏览器版本号,如果浏览器为非safari,此属性为`undefined`。
- * * `opera` opera浏览器版本号,如果浏览器为非opera,此属性为`undefined`。
- *
- * @property {Object} [browser]
- */
- browser: (function (ua) {
- var ret = {},
- webkit = ua.match(/WebKit\/([\d.]+)/),
- chrome = ua.match(/Chrome\/([\d.]+)/) ||
- ua.match(/CriOS\/([\d.]+)/),
- ie = ua.match(/MSIE\s([\d\.]+)/) ||
- ua.match(/(?:trident)(?:.*rv:([\w.]+))?/i),
- firefox = ua.match(/Firefox\/([\d.]+)/),
- safari = ua.match(/Safari\/([\d.]+)/),
- opera = ua.match(/OPR\/([\d.]+)/);
- webkit && (ret.webkit = parseFloat(webkit[1]));
- chrome && (ret.chrome = parseFloat(chrome[1]));
- ie && (ret.ie = parseFloat(ie[1]));
- firefox && (ret.firefox = parseFloat(firefox[1]));
- safari && (ret.safari = parseFloat(safari[1]));
- opera && (ret.opera = parseFloat(opera[1]));
- return ret;
- })(navigator.userAgent),
- /**
- * @description 操作系统检查结果。
- *
- * * `android` 如果在android浏览器环境下,此值为对应的android版本号,否则为`undefined`。
- * * `ios` 如果在ios浏览器环境下,此值为对应的ios版本号,否则为`undefined`。
- * @property {Object} [os]
- */
- os: (function (ua) {
- var ret = {},
- // osx = !!ua.match( /\(Macintosh\; Intel / ),
- android = ua.match(/(?:Android);?[\s\/]+([\d.]+)?/),
- ios = ua.match(/(?:iPad|iPod|iPhone).*OS\s([\d_]+)/);
- // osx && (ret.osx = true);
- android && (ret.android = parseFloat(android[1]));
- ios && (ret.ios = parseFloat(ios[1].replace(/_/g, '.')));
- return ret;
- })(navigator.userAgent),
- /**
- * 实现类与类之间的继承。
- * @method inherits
- * @grammar Base.inherits( super ) => child
- * @grammar Base.inherits( super, protos ) => child
- * @grammar Base.inherits( super, protos, statics ) => child
- * @param {Class} super 父类
- * @param {Object | Function} [protos] 子类或者对象。如果对象中包含constructor,子类将是用此属性值。
- * @param {Function} [protos.constructor] 子类构造器,不指定的话将创建个临时的直接执行父类构造器的方法。
- * @param {Object} [statics] 静态属性或方法。
- * @return {Class} 返回子类。
- * @example
- * function Person() {
- * console.log( 'Super' );
- * }
- * Person.prototype.hello = function() {
- * console.log( 'hello' );
- * };
- *
- * var Manager = Base.inherits( Person, {
- * world: function() {
- * console.log( 'World' );
- * }
- * });
- *
- * // 因为没有指定构造器,父类的构造器将会执行。
- * var instance = new Manager(); // => Super
- *
- * // 继承子父类的方法
- * instance.hello(); // => hello
- * instance.world(); // => World
- *
- * // 子类的__super__属性指向父类
- * console.log( Manager.__super__ === Person ); // => true
- */
- inherits: function (Super, protos, staticProtos) {
- var child;
- if (typeof protos === 'function') {
- child = protos;
- protos = null;
- } else if (protos && protos.hasOwnProperty('constructor')) {
- child = protos.constructor;
- } else {
- child = function () {
- return Super.apply(this, arguments);
- };
- }
- // 复制静态方法
- $.extend(true, child, Super, staticProtos || {});
- /* jshint camelcase: false */
- // 让子类的__super__属性指向父类。
- child.__super__ = Super.prototype;
- // 构建原型,添加原型方法或属性。
- // 暂时用Object.create实现。
- child.prototype = createObject(Super.prototype);
- protos && $.extend(true, child.prototype, protos);
- return child;
- },
- /**
- * 一个不做任何事情的方法。可以用来赋值给默认的callback.
- * @method noop
- */
- noop: noop,
- /**
- * 返回一个新的方法,此方法将已指定的`context`来执行。
- * @grammar Base.bindFn( fn, context ) => Function
- * @method bindFn
- * @example
- * var doSomething = function() {
- * console.log( this.name );
- * },
- * obj = {
- * name: 'Object Name'
- * },
- * aliasFn = Base.bind( doSomething, obj );
- *
- * aliasFn(); // => Object Name
- *
- */
- bindFn: bindFn,
- /**
- * 引用Console.log如果存在的话,否则引用一个[空函数loop](#WebUploader:Base.log)。
- * @grammar Base.log( args... ) => undefined
- * @method log
- */
- log: (function () {
- if (window.console) {
- return bindFn(console.log, console);
- }
- return noop;
- })(),
- nextTick: (function () {
- return function (cb) {
- setTimeout(cb, 1);
- };
- // @bug 当浏览器不在当前窗口时就停了。
- // var next = window.requestAnimationFrame ||
- // window.webkitRequestAnimationFrame ||
- // window.mozRequestAnimationFrame ||
- // function( cb ) {
- // window.setTimeout( cb, 1000 / 60 );
- // };
- // // fix: Uncaught TypeError: Illegal invocation
- // return bindFn( next, window );
- })(),
- /**
- * 被[uncurrythis](http://www.2ality.com/2011/11/uncurrying-this.html)的数组slice方法。
- * 将用来将非数组对象转化成数组对象。
- * @grammar Base.slice( target, start[, end] ) => Array
- * @method slice
- * @example
- * function doSomthing() {
- * var args = Base.slice( arguments, 1 );
- * console.log( args );
- * }
- *
- * doSomthing( 'ignored', 'arg2', 'arg3' ); // => Array ["arg2", "arg3"]
- */
- slice: uncurryThis([].slice),
- /**
- * 生成唯一的ID
- * @method guid
- * @grammar Base.guid() => String
- * @grammar Base.guid( prefx ) => String
- */
- guid: (function () {
- var counter = 0;
- return function (prefix) {
- var guid = (+new Date()).toString(32),
- i = 0;
- for (; i < 5; i++) {
- guid += Math.floor(Math.random() * 65535).toString(32);
- }
- return (prefix || 'wu_') + guid + (counter++).toString(32);
- };
- })(),
- /**
- * 格式化文件大小, 输出成带单位的字符串
- * @method formatSize
- * @grammar Base.formatSize( size ) => String
- * @grammar Base.formatSize( size, pointLength ) => String
- * @grammar Base.formatSize( size, pointLength, units ) => String
- * @param {Number} size 文件大小
- * @param {Number} [pointLength=2] 精确到的小数点数。
- * @param {Array} [units=[ 'B', 'K', 'M', 'G', 'TB' ]] 单位数组。从字节,到千字节,一直往上指定。如果单位数组里面只指定了到了K(千字节),同时文件大小大于M, 此方法的输出将还是显示成多少K.
- * @example
- * console.log( Base.formatSize( 100 ) ); // => 100B
- * console.log( Base.formatSize( 1024 ) ); // => 1.00K
- * console.log( Base.formatSize( 1024, 0 ) ); // => 1K
- * console.log( Base.formatSize( 1024 * 1024 ) ); // => 1.00M
- * console.log( Base.formatSize( 1024 * 1024 * 1024 ) ); // => 1.00G
- * console.log( Base.formatSize( 1024 * 1024 * 1024, 0, ['B', 'KB', 'MB'] ) ); // => 1024MB
- */
- formatSize: function (size, pointLength, units) {
- var unit;
- units = units || ['B', 'K', 'M', 'G', 'TB'];
- while ((unit = units.shift()) && size > 1024) {
- size = size / 1024;
- }
- return (unit === 'B' ? size : size.toFixed(pointLength || 2)) +
- unit;
- }
- };
- });
- /**
- * 事件处理类,可以独立使用,也可以扩展给对象使用。
- * @fileOverview Mediator
- */
- define('mediator', [
- 'base'
- ], function (Base) {
- var $ = Base.$,
- slice = [].slice,
- separator = /\s+/,
- protos;
- // 根据条件过滤出事件handlers.
- function findHandlers(arr, name, callback, context) {
- return $.grep(arr, function (handler) {
- return handler &&
- (!name || handler.e === name) &&
- (!callback || handler.cb === callback ||
- handler.cb._cb === callback) &&
- (!context || handler.ctx === context);
- });
- }
- function eachEvent(events, callback, iterator) {
- // 不支持对象,只支持多个event用空格隔开
- $.each((events || '').split(separator), function (_, key) {
- iterator(key, callback);
- });
- }
- function triggerHanders(events, args) {
- var stoped = false,
- i = -1,
- len = events.length,
- handler;
- while (++i < len) {
- handler = events[i];
- if (handler.cb.apply(handler.ctx2, args) === false) {
- stoped = true;
- break;
- }
- }
- return !stoped;
- }
- protos = {
- /**
- * 绑定事件。
- *
- * `callback`方法在执行时,arguments将会来源于trigger的时候携带的参数。如
- * ```javascript
- * var obj = {};
- *
- * // 使得obj有事件行为
- * Mediator.installTo( obj );
- *
- * obj.on( 'testa', function( arg1, arg2 ) {
- * console.log( arg1, arg2 ); // => 'arg1', 'arg2'
- * });
- *
- * obj.trigger( 'testa', 'arg1', 'arg2' );
- * ```
- *
- * 如果`callback`中,某一个方法`return false`了,则后续的其他`callback`都不会被执行到。
- * 切会影响到`trigger`方法的返回值,为`false`。
- *
- * `on`还可以用来添加一个特殊事件`all`, 这样所有的事件触发都会响应到。同时此类`callback`中的arguments有一个不同处,
- * 就是第一个参数为`type`,记录当前是什么事件在触发。此类`callback`的优先级比脚低,会再正常`callback`执行完后触发。
- * ```javascript
- * obj.on( 'all', function( type, arg1, arg2 ) {
- * console.log( type, arg1, arg2 ); // => 'testa', 'arg1', 'arg2'
- * });
- * ```
- *
- * @method on
- * @grammar on( name, callback[, context] ) => self
- * @param {String} name 事件名,支持多个事件用空格隔开
- * @param {Function} callback 事件处理器
- * @param {Object} [context] 事件处理器的上下文。
- * @return {self} 返回自身,方便链式
- * @chainable
- * @class Mediator
- */
- on: function (name, callback, context) {
- var me = this,
- set;
- if (!callback) {
- return this;
- }
- set = this._events || (this._events = []);
- eachEvent(name, callback, function (name, callback) {
- var handler = {e: name};
- handler.cb = callback;
- handler.ctx = context;
- handler.ctx2 = context || me;
- handler.id = set.length;
- set.push(handler);
- });
- return this;
- },
- /**
- * 绑定事件,且当handler执行完后,自动解除绑定。
- * @method once
- * @grammar once( name, callback[, context] ) => self
- * @param {String} name 事件名
- * @param {Function} callback 事件处理器
- * @param {Object} [context] 事件处理器的上下文。
- * @return {self} 返回自身,方便链式
- * @chainable
- */
- once: function (name, callback, context) {
- var me = this;
- if (!callback) {
- return me;
- }
- eachEvent(name, callback, function (name, callback) {
- var once = function () {
- me.off(name, once);
- return callback.apply(context || me, arguments);
- };
- once._cb = callback;
- me.on(name, once, context);
- });
- return me;
- },
- /**
- * 解除事件绑定
- * @method off
- * @grammar off( [name[, callback[, context] ] ] ) => self
- * @param {String} [name] 事件名
- * @param {Function} [callback] 事件处理器
- * @param {Object} [context] 事件处理器的上下文。
- * @return {self} 返回自身,方便链式
- * @chainable
- */
- off: function (name, cb, ctx) {
- var events = this._events;
- if (!events) {
- return this;
- }
- if (!name && !cb && !ctx) {
- this._events = [];
- return this;
- }
- eachEvent(name, cb, function (name, cb) {
- $.each(findHandlers(events, name, cb, ctx), function () {
- delete events[this.id];
- });
- });
- return this;
- },
- /**
- * 触发事件
- * @method trigger
- * @grammar trigger( name[, args...] ) => self
- * @param {String} type 事件名
- * @param {*} [...] 任意参数
- * @return {Boolean} 如果handler中return false了,则返回false, 否则返回true
- */
- trigger: function (type) {
- var args, events, allEvents;
- if (!this._events || !type) {
- return this;
- }
- args = slice.call(arguments, 1);
- events = findHandlers(this._events, type);
- allEvents = findHandlers(this._events, 'all');
- return triggerHanders(events, args) &&
- triggerHanders(allEvents, arguments);
- }
- };
- /**
- * 中介者,它本身是个单例,但可以通过[installTo](#WebUploader:Mediator:installTo)方法,使任何对象具备事件行为。
- * 主要目的是负责模块与模块之间的合作,降低耦合度。
- *
- * @class Mediator
- */
- return $.extend({
- /**
- * 可以通过这个接口,使任何对象具备事件功能。
- * @method installTo
- * @param {Object} obj 需要具备事件行为的对象。
- * @return {Object} 返回obj.
- */
- installTo: function (obj) {
- return $.extend(obj, protos);
- }
- }, protos);
- });
- /**
- * @fileOverview Uploader上传类
- */
- define('uploader', [
- 'base',
- 'mediator'
- ], function (Base, Mediator) {
- var $ = Base.$;
- /**
- * 上传入口类。
- * @class Uploader
- * @constructor
- * @grammar new Uploader( opts ) => Uploader
- * @example
- * var uploader = WebUploader.Uploader({
- * swf: 'path_of_swf/Uploader.swf',
- *
- * // 开起分片上传。
- * chunked: true
- * });
- */
- function Uploader(opts) {
- this.options = $.extend(true, {}, Uploader.options, opts);
- this._init(this.options);
- }
- // default Options
- // widgets中有相应扩展
- Uploader.options = {};
- Mediator.installTo(Uploader.prototype);
- // 批量添加纯命令式方法。
- $.each({
- upload: 'start-upload',
- stop: 'stop-upload',
- getFile: 'get-file',
- getFiles: 'get-files',
- addFile: 'add-file',
- addFiles: 'add-file',
- sort: 'sort-files',
- removeFile: 'remove-file',
- skipFile: 'skip-file',
- retry: 'retry',
- isInProgress: 'is-in-progress',
- makeThumb: 'make-thumb',
- getDimension: 'get-dimension',
- addButton: 'add-btn',
- getRuntimeType: 'get-runtime-type',
- refresh: 'refresh',
- disable: 'disable',
- enable: 'enable',
- reset: 'reset'
- }, function (fn, command) {
- Uploader.prototype[fn] = function () {
- return this.request(command, arguments);
- };
- });
- $.extend(Uploader.prototype, {
- state: 'pending',
- _init: function (opts) {
- var me = this;
- me.request('init', opts, function () {
- me.state = 'ready';
- me.trigger('ready');
- });
- },
- /**
- * 获取或者设置Uploader配置项。
- * @method option
- * @grammar option( key ) => *
- * @grammar option( key, val ) => self
- * @example
- *
- * // 初始状态图片上传前不会压缩
- * var uploader = new WebUploader.Uploader({
- * resize: null;
- * });
- *
- * // 修改后图片上传前,尝试将图片压缩到1600 * 1600
- * uploader.options( 'resize', {
- * width: 1600,
- * height: 1600
- * });
- */
- option: function (key, val) {
- var opts = this.options;
- // setter
- if (arguments.length > 1) {
- if ($.isPlainObject(val) &&
- $.isPlainObject(opts[key])) {
- $.extend(opts[key], val);
- } else {
- opts[key] = val;
- }
- } else { // getter
- return key ? opts[key] : opts;
- }
- },
- /**
- * 获取文件统计信息。返回一个包含一下信息的对象。
- * * `successNum` 上传成功的文件数
- * * `uploadFailNum` 上传失败的文件数
- * * `cancelNum` 被删除的文件数
- * * `invalidNum` 无效的文件数
- * * `queueNum` 还在队列中的文件数
- * @method getStats
- * @grammar getStats() => Object
- */
- getStats: function () {
- // return this._mgr.getStats.apply( this._mgr, arguments );
- var stats = this.request('get-stats');
- return {
- successNum: stats.numOfSuccess,
- // who care?
- // queueFailNum: 0,
- cancelNum: stats.numOfCancel,
- invalidNum: stats.numOfInvalid,
- uploadFailNum: stats.numOfUploadFailed,
- queueNum: stats.numOfQueue
- };
- },
- // 需要重写此方法来来支持opts.onEvent和instance.onEvent的处理器
- trigger: function (type/*, args...*/) {
- var args = [].slice.call(arguments, 1),
- opts = this.options,
- name = 'on' + type.substring(0, 1).toUpperCase() +
- type.substring(1);
- if (
- // 调用通过on方法注册的handler.
- Mediator.trigger.apply(this, arguments) === false ||
- // 调用opts.onEvent
- $.isFunction(opts[name]) &&
- opts[name].apply(this, args) === false ||
- // 调用this.onEvent
- $.isFunction(this[name]) &&
- this[name].apply(this, args) === false ||
- // 广播所有uploader的事件。
- Mediator.trigger.apply(Mediator,
- [this, type].concat(args)) === false) {
- return false;
- }
- return true;
- },
- // widgets/widget.js将补充此方法的详细文档。
- request: Base.noop
- });
- /**
- * 创建Uploader实例,等同于new Uploader( opts );
- * @method create
- * @class Base
- * @static
- * @grammar Base.create( opts ) => Uploader
- */
- Base.create = Uploader.create = function (opts) {
- return new Uploader(opts);
- };
- // 暴露Uploader,可以通过它来扩展业务逻辑。
- Base.Uploader = Uploader;
- return Uploader;
- });
- /**
- * @fileOverview Runtime管理器,负责Runtime的选择, 连接
- */
- define('runtime/runtime', [
- 'base',
- 'mediator'
- ], function (Base, Mediator) {
- var $ = Base.$,
- factories = {},
- // 获取对象的第一个key
- getFirstKey = function (obj) {
- for (var key in obj) {
- if (obj.hasOwnProperty(key)) {
- return key;
- }
- }
- return null;
- };
- // 接口类。
- function Runtime(options) {
- this.options = $.extend({
- container: document.body
- }, options);
- this.uid = Base.guid('rt_');
- }
- $.extend(Runtime.prototype, {
- getContainer: function () {
- var opts = this.options,
- parent, container;
- if (this._container) {
- return this._container;
- }
- parent = $(opts.container || document.body);
- container = $(document.createElement('div'));
- container.attr('id', 'rt_' + this.uid);
- container.css({
- position: 'absolute',
- top: '0px',
- left: '0px',
- width: '1px',
- height: '1px',
- overflow: 'hidden'
- });
- parent.append(container);
- parent.addClass('webuploader-container');
- this._container = container;
- return container;
- },
- init: Base.noop,
- exec: Base.noop,
- destroy: function () {
- if (this._container) {
- this._container.parentNode.removeChild(this.__container);
- }
- this.off();
- }
- });
- Runtime.orders = 'html5,flash';
- /**
- * 添加Runtime实现。
- * @param {String} type 类型
- * @param {Runtime} factory 具体Runtime实现。
- */
- Runtime.addRuntime = function (type, factory) {
- factories[type] = factory;
- };
- Runtime.hasRuntime = function (type) {
- return !!(type ? factories[type] : getFirstKey(factories));
- };
- Runtime.create = function (opts, orders) {
- var type, runtime;
- orders = orders || Runtime.orders;
- $.each(orders.split(/\s*,\s*/g), function () {
- if (factories[this]) {
- type = this;
- return false;
- }
- });
- type = type || getFirstKey(factories);
- if (!type) {
- throw new Error('Runtime Error');
- }
- runtime = new factories[type](opts);
- return runtime;
- };
- Mediator.installTo(Runtime.prototype);
- return Runtime;
- });
- /**
- * @fileOverview Runtime管理器,负责Runtime的选择, 连接
- */
- define('runtime/client', [
- 'base',
- 'mediator',
- 'runtime/runtime'
- ], function (Base, Mediator, Runtime) {
- var cache;
- cache = (function () {
- var obj = {};
- return {
- add: function (runtime) {
- obj[runtime.uid] = runtime;
- },
- get: function (ruid, standalone) {
- var i;
- if (ruid) {
- return obj[ruid];
- }
- for (i in obj) {
- // 有些类型不能重用,比如filepicker.
- if (standalone && obj[i].__standalone) {
- continue;
- }
- return obj[i];
- }
- return null;
- },
- remove: function (runtime) {
- delete obj[runtime.uid];
- }
- };
- })();
- function RuntimeClient(component, standalone) {
- var deferred = Base.Deferred(),
- runtime;
- this.uid = Base.guid('client_');
- // 允许runtime没有初始化之前,注册一些方法在初始化后执行。
- this.runtimeReady = function (cb) {
- return deferred.done(cb);
- };
- this.connectRuntime = function (opts, cb) {
- // already connected.
- if (runtime) {
- throw new Error('already connected!');
- }
- deferred.done(cb);
- if (typeof opts === 'string' && cache.get(opts)) {
- runtime = cache.get(opts);
- }
- // 像filePicker只能独立存在,不能公用。
- runtime = runtime || cache.get(null, standalone);
- // 需要创建
- if (!runtime) {
- runtime = Runtime.create(opts, opts.runtimeOrder);
- runtime.__promise = deferred.promise();
- runtime.once('ready', deferred.resolve);
- runtime.init();
- cache.add(runtime);
- runtime.__client = 1;
- } else {
- // 来自cache
- Base.$.extend(runtime.options, opts);
- runtime.__promise.then(deferred.resolve);
- runtime.__client++;
- }
- standalone && (runtime.__standalone = standalone);
- return runtime;
- };
- this.getRuntime = function () {
- return runtime;
- };
- this.disconnectRuntime = function () {
- if (!runtime) {
- return;
- }
- runtime.__client--;
- if (runtime.__client <= 0) {
- cache.remove(runtime);
- delete runtime.__promise;
- runtime.destroy();
- }
- runtime = null;
- };
- this.exec = function () {
- if (!runtime) {
- return;
- }
- var args = Base.slice(arguments);
- component && args.unshift(component);
- return runtime.exec.apply(this, args);
- };
- this.getRuid = function () {
- return runtime && runtime.uid;
- };
- this.destroy = (function (destroy) {
- return function () {
- destroy && destroy.apply(this, arguments);
- this.trigger('destroy');
- this.off();
- this.exec('destroy');
- this.disconnectRuntime();
- };
- })(this.destroy);
- }
- Mediator.installTo(RuntimeClient.prototype);
- return RuntimeClient;
- });
- /**
- * @fileOverview 错误信息
- */
- define('lib/dnd', [
- 'base',
- 'mediator',
- 'runtime/client'
- ], function (Base, Mediator, RuntimeClent) {
- var $ = Base.$;
- function DragAndDrop(opts) {
- opts = this.options = $.extend({}, DragAndDrop.options, opts);
- opts.container = $(opts.container);
- if (!opts.container.length) {
- return;
- }
- RuntimeClent.call(this, 'DragAndDrop');
- }
- DragAndDrop.options = {
- accept: null,
- disableGlobalDnd: false
- };
- Base.inherits(RuntimeClent, {
- constructor: DragAndDrop,
- init: function () {
- var me = this;
- me.connectRuntime(me.options, function () {
- me.exec('init');
- me.trigger('ready');
- });
- },
- destroy: function () {
- this.disconnectRuntime();
- }
- });
- Mediator.installTo(DragAndDrop.prototype);
- return DragAndDrop;
- });
- /**
- * @fileOverview 组件基类。
- */
- define('widgets/widget', [
- 'base',
- 'uploader'
- ], function (Base, Uploader) {
- var $ = Base.$,
- _init = Uploader.prototype._init,
- IGNORE = {},
- widgetClass = [];
- function isArrayLike(obj) {
- if (!obj) {
- return false;
- }
- var length = obj.length,
- type = $.type(obj);
- if (obj.nodeType === 1 && length) {
- return true;
- }
- return type === 'array' || type !== 'function' && type !== 'string' &&
- (length === 0 || typeof length === 'number' && length > 0 &&
- (length - 1) in obj);
- }
- function Widget(uploader) {
- this.owner = uploader;
- this.options = uploader.options;
- }
- $.extend(Widget.prototype, {
- init: Base.noop,
- // 类Backbone的事件监听声明,监听uploader实例上的事件
- // widget直接无法监听事件,事件只能通过uploader来传递
- invoke: function (apiName, args) {
- /*
- {
- 'make-thumb': 'makeThumb'
- }
- */
- var map = this.responseMap;
- // 如果无API响应声明则忽略
- if (!map || !(apiName in map) || !(map[apiName] in this) ||
- !$.isFunction(this[map[apiName]])) {
- return IGNORE;
- }
- return this[map[apiName]].apply(this, args);
- },
- /**
- * 发送命令。当传入`callback`或者`handler`中返回`promise`时。返回一个当所有`handler`中的promise都完成后完成的新`promise`。
- * @method request
- * @grammar request( command, args ) => * | Promise
- * @grammar request( command, args, callback ) => Promise
- * @for Uploader
- */
- request: function () {
- return this.owner.request.apply(this.owner, arguments);
- }
- });
- // 扩展Uploader.
- $.extend(Uploader.prototype, {
- // 覆写_init用来初始化widgets
- _init: function () {
- var me = this,
- widgets = me._widgets = [];
- $.each(widgetClass, function (_, klass) {
- widgets.push(new klass(me));
- });
- return _init.apply(me, arguments);
- },
- request: function (apiName, args, callback) {
- var i = 0,
- widgets = this._widgets,
- len = widgets.length,
- rlts = [],
- dfds = [],
- widget, rlt, promise, key;
- args = isArrayLike(args) ? args : [args];
- for (; i < len; i++) {
- widget = widgets[i];
- rlt = widget.invoke(apiName, args);
- if (rlt !== IGNORE) {
- // Deferred对象
- if (Base.isPromise(rlt)) {
- dfds.push(rlt);
- } else {
- rlts.push(rlt);
- }
- }
- }
- // 如果有callback,则用异步方式。
- if (callback || dfds.length) {
- promise = Base.when.apply(Base, dfds);
- key = promise.pipe ? 'pipe' : 'then';
- // 很重要不能删除。删除了会死循环。
- // 保证执行顺序。让callback总是在下一个tick中执行。
- return promise[key](function () {
- var deferred = Base.Deferred(),
- args = arguments;
- setTimeout(function () {
- deferred.resolve.apply(deferred, args);
- }, 1);
- return deferred.promise();
- })[key](callback || Base.noop);
- } else {
- return rlts[0];
- }
- }
- });
- /**
- * 添加组件
- * @param {object} widgetProto 组件原型,构造函数通过constructor属性定义
- * @param {object} responseMap API名称与函数实现的映射
- * @example
- * Uploader.register( {
- * init: function( options ) {},
- * makeThumb: function() {}
- * }, {
- * 'make-thumb': 'makeThumb'
- * } );
- */
- Uploader.register = Widget.register = function (responseMap, widgetProto) {
- var map = {init: 'init'},
- klass;
- if (arguments.length === 1) {
- widgetProto = responseMap;
- widgetProto.responseMap = map;
- } else {
- widgetProto.responseMap = $.extend(map, responseMap);
- }
- klass = Base.inherits(Widget, widgetProto);
- widgetClass.push(klass);
- return klass;
- };
- return Widget;
- });
- /**
- * @fileOverview DragAndDrop Widget。
- */
- define('widgets/filednd', [
- 'base',
- 'uploader',
- 'lib/dnd',
- 'widgets/widget'
- ], function (Base, Uploader, Dnd) {
- var $ = Base.$;
- Uploader.options.dnd = '';
- /**
- * @property {Selector} [dnd=undefined] 指定Drag And Drop拖拽的容器,如果不指定,则不启动。
- * @namespace options
- * @for Uploader
- */
- /**
- * @event dndAccept
- * @param {DataTransferItemList} items DataTransferItem
- * @description 阻止此事件可以拒绝某些类型的文件拖入进来。目前只有 chrome 提供这样的 API,且只能通过 mime-type 验证。
- * @for Uploader
- */
- return Uploader.register({
- init: function (opts) {
- if (!opts.dnd ||
- this.request('predict-runtime-type') !== 'html5') {
- return;
- }
- var me = this,
- deferred = Base.Deferred(),
- options = $.extend({}, {
- disableGlobalDnd: opts.disableGlobalDnd,
- container: opts.dnd,
- accept: opts.accept
- }),
- dnd;
- dnd = new Dnd(options);
- dnd.once('ready', deferred.resolve);
- dnd.on('drop', function (files) {
- me.request('add-file', [files]);
- });
- // 检测文件是否全部允许添加。
- dnd.on('accept', function (items) {
- return me.owner.trigger('dndAccept', items);
- });
- dnd.init();
- return deferred.promise();
- }
- });
- });
- /**
- * @fileOverview 错误信息
- */
- define('lib/filepaste', [
- 'base',
- 'mediator',
- 'runtime/client'
- ], function (Base, Mediator, RuntimeClent) {
- var $ = Base.$;
- function FilePaste(opts) {
- opts = this.options = $.extend({}, opts);
- opts.container = $(opts.container || document.body);
- RuntimeClent.call(this, 'FilePaste');
- }
- Base.inherits(RuntimeClent, {
- constructor: FilePaste,
- init: function () {
- var me = this;
- me.connectRuntime(me.options, function () {
- me.exec('init');
- me.trigger('ready');
- });
- },
- destroy: function () {
- this.exec('destroy');
- this.disconnectRuntime();
- this.off();
- }
- });
- Mediator.installTo(FilePaste.prototype);
- return FilePaste;
- });
- /**
- * @fileOverview 组件基类。
- */
- define('widgets/filepaste', [
- 'base',
- 'uploader',
- 'lib/filepaste',
- 'widgets/widget'
- ], function (Base, Uploader, FilePaste) {
- var $ = Base.$;
- /**
- * @property {Selector} [paste=undefined] 指定监听paste事件的容器,如果不指定,不启用此功能。此功能为通过粘贴来添加截屏的图片。建议设置为`document.body`.
- * @namespace options
- * @for Uploader
- */
- return Uploader.register({
- init: function (opts) {
- if (!opts.paste ||
- this.request('predict-runtime-type') !== 'html5') {
- return;
- }
- var me = this,
- deferred = Base.Deferred(),
- options = $.extend({}, {
- container: opts.paste,
- accept: opts.accept
- }),
- paste;
- paste = new FilePaste(options);
- paste.once('ready', deferred.resolve);
- paste.on('paste', function (files) {
- me.owner.request('add-file', [files]);
- });
- paste.init();
- return deferred.promise();
- }
- });
- });
- /**
- * @fileOverview Blob
- */
- define('lib/blob', [
- 'base',
- 'runtime/client'
- ], function (Base, RuntimeClient) {
- function Blob(ruid, source) {
- var me = this;
- me.source = source;
- me.ruid = ruid;
- RuntimeClient.call(me, 'Blob');
- this.uid = source.uid || this.uid;
- this.type = source.type || '';
- this.size = source.size || 0;
- if (ruid) {
- me.connectRuntime(ruid);
- }
- }
- Base.inherits(RuntimeClient, {
- constructor: Blob,
- slice: function (start, end) {
- return this.exec('slice', start, end);
- },
- getSource: function () {
- return this.source;
- }
- });
- return Blob;
- });
- /**
- * 为了统一化Flash的File和HTML5的File而存在。
- * 以至于要调用Flash里面的File,也可以像调用HTML5版本的File一下。
- * @fileOverview File
- */
- define('lib/file', [
- 'base',
- 'lib/blob'
- ], function (Base, Blob) {
- var uid = 1,
- rExt = /\.([^.]+)$/;
- function File(ruid, file) {
- var ext;
- Blob.apply(this, arguments);
- this.name = file.name || ('untitled' + uid++);
- ext = rExt.exec(file.name) ? RegExp.$1.toLowerCase() : '';
- // todo 支持其他类型文件的转换。
- // 如果有mimetype, 但是文件名里面没有找出后缀规律
- if (!ext && this.type) {
- ext = /\/(jpg|jpeg|png|gif|bmp)$/i.exec(this.type) ?
- RegExp.$1.toLowerCase() : '';
- this.name += '.' + ext;
- }
- // 如果没有指定mimetype, 但是知道文件后缀。
- if (!this.type && ~'jpg,jpeg,png,gif,bmp'.indexOf(ext)) {
- this.type = 'image/' + (ext === 'jpg' ? 'jpeg' : ext);
- }
- this.ext = ext;
- this.lastModifiedDate = file.lastModifiedDate ||
- (new Date()).toLocaleString();
- }
- return Base.inherits(Blob, File);
- });
- /**
- * @fileOverview 错误信息
- */
- define('lib/filepicker', [
- 'base',
- 'runtime/client',
- 'lib/file'
- ], function (Base, RuntimeClent, File) {
- var $ = Base.$;
- function FilePicker(opts) {
- opts = this.options = $.extend({}, FilePicker.options, opts);
- opts.container = $(opts.id);
- if (!opts.container.length) {
- throw new Error('按钮指定错误');
- }
- opts.innerHTML = opts.innerHTML || opts.label ||
- opts.container.html() || '';
- opts.button = $(opts.button || document.createElement('div'));
- opts.button.html(opts.innerHTML);
- opts.container.html(opts.button);
- RuntimeClent.call(this, 'FilePicker', true);
- }
- FilePicker.options = {
- button: null,
- container: null,
- label: null,
- innerHTML: null,
- multiple: true,
- accept: null,
- name: 'file'
- };
- Base.inherits(RuntimeClent, {
- constructor: FilePicker,
- init: function () {
- var me = this,
- opts = me.options,
- button = opts.button;
- button.addClass('webuploader-pick');
- me.on('all', function (type) {
- var files;
- switch (type) {
- case 'mouseenter':
- button.addClass('webuploader-pick-hover');
- break;
- case 'mouseleave':
- button.removeClass('webuploader-pick-hover');
- break;
- case 'change':
- files = me.exec('getFiles');
- me.trigger('select', $.map(files, function (file) {
- file = new File(me.getRuid(), file);
- // 记录来源。
- file._refer = opts.container;
- return file;
- }), opts.container);
- break;
- }
- });
- me.connectRuntime(opts, function () {
- me.refresh();
- me.exec('init', opts);
- me.trigger('ready');
- });
- $(window).on('resize', function () {
- me.refresh();
- });
- },
- refresh: function () {
- var shimContainer = this.getRuntime().getContainer(),
- button = this.options.button,
- width = button.outerWidth ?
- button.outerWidth() : button.width(),
- height = button.outerHeight ?
- button.outerHeight() : button.height(),
- pos = button.offset();
- width && height && shimContainer.css({
- bottom: 'auto',
- right: 'auto',
- width: width + 'px',
- height: height + 'px'
- }).offset(pos);
- },
- enable: function () {
- var btn = this.options.button;
- btn.removeClass('webuploader-pick-disable');
- this.refresh();
- },
- disable: function () {
- var btn = this.options.button;
- this.getRuntime().getContainer().css({
- top: '-99999px'
- });
- btn.addClass('webuploader-pick-disable');
- },
- destroy: function () {
- if (this.runtime) {
- this.exec('destroy');
- this.disconnectRuntime();
- }
- }
- });
- return FilePicker;
- });
- /**
- * @fileOverview 文件选择相关
- */
- define('widgets/filepicker', [
- 'base',
- 'uploader',
- 'lib/filepicker',
- 'widgets/widget'
- ], function (Base, Uploader, FilePicker) {
- var $ = Base.$;
- $.extend(Uploader.options, {
- /**
- * @property {Selector | Object} [pick=undefined]
- * @namespace options
- * @for Uploader
- * @description 指定选择文件的按钮容器,不指定则不创建按钮。
- *
- * * `id` {Seletor} 指定选择文件的按钮容器,不指定则不创建按钮。
- * * `label` {String} 请采用 `innerHTML` 代替
- * * `innerHTML` {String} 指定按钮文字。不指定时优先从指定的容器中看是否自带文字。
- * * `multiple` {Boolean} 是否开起同时选择多个文件能力。
- */
- pick: null,
- /**
- * @property {Arroy} [accept=null]
- * @namespace options
- * @for Uploader
- * @description 指定接受哪些类型的文件。 由于目前还有ext转mimeType表,所以这里需要分开指定。
- *
- * * `title` {String} 文字描述
- * * `extensions` {String} 允许的文件后缀,不带点,多个用逗号分割。
- * * `mimeTypes` {String} 多个用逗号分割。
- *
- * 如:
- *
- * ```
- * {
- * title: 'Images',
- * extensions: 'gif,jpg,jpeg,bmp,png',
- * mimeTypes: 'image/*'
- * }
- * ```
- */
- accept: null/*{
- title: 'Images',
- extensions: 'gif,jpg,jpeg,bmp,png',
- mimeTypes: 'image/*'
- }*/
- });
- return Uploader.register({
- 'add-btn': 'addButton',
- refresh: 'refresh',
- disable: 'disable',
- enable: 'enable'
- }, {
- init: function (opts) {
- this.pickers = [];
- return opts.pick && this.addButton(opts.pick);
- },
- refresh: function () {
- $.each(this.pickers, function () {
- this.refresh();
- });
- },
- /**
- * @method addButton
- * @for Uploader
- * @grammar addButton( pick ) => Promise
- * @description
- * 添加文件选择按钮,如果一个按钮不够,需要调用此方法来添加。参数跟[options.pick](#WebUploader:Uploader:options)一致。
- * @example
- * uploader.addButton({
- * id: '#btnContainer',
- * innerHTML: '选择文件'
- * });
- */
- addButton: function (pick) {
- var me = this,
- opts = me.options,
- accept = opts.accept,
- options, picker, deferred;
- if (!pick) {
- return;
- }
- deferred = Base.Deferred();
- $.isPlainObject(pick) || (pick = {
- id: pick
- });
- options = $.extend({}, pick, {
- accept: $.isPlainObject(accept) ? [accept] : accept,
- swf: opts.swf,
- runtimeOrder: opts.runtimeOrder
- });
- picker = new FilePicker(options);
- picker.once('ready', deferred.resolve);
- picker.on('select', function (files) {
- me.owner.request('add-file', [files]);
- });
- picker.init();
- this.pickers.push(picker);
- return deferred.promise();
- },
- disable: function () {
- $.each(this.pickers, function () {
- this.disable();
- });
- },
- enable: function () {
- $.each(this.pickers, function () {
- this.enable();
- });
- }
- });
- });
- /**
- * @fileOverview 文件属性封装
- */
- define('file', [
- 'base',
- 'mediator'
- ], function (Base, Mediator) {
- var $ = Base.$,
- idPrefix = 'WU_FILE_',
- idSuffix = 0,
- rExt = /\.([^.]+)$/,
- statusMap = {};
- function gid() {
- return idPrefix + idSuffix++;
- }
- /**
- * 文件类
- * @class File
- * @constructor 构造函数
- * @grammar new File( source ) => File
- * @param {Lib.File} source [lib.File](#Lib.File)实例, 此source对象是带有Runtime信息的。
- */
- function WUFile(source) {
- /**
- * 文件名,包括扩展名(后缀)
- * @property name
- * @type {string}
- */
- this.name = source.name || 'Untitled';
- /**
- * 文件体积(字节)
- * @property size
- * @type {uint}
- * @default 0
- */
- this.size = source.size || 0;
- /**
- * 文件MIMETYPE类型,与文件类型的对应关系请参考[http://t.cn/z8ZnFny](http://t.cn/z8ZnFny)
- * @property type
- * @type {string}
- * @default 'application'
- */
- this.type = source.type || 'application';
- /**
- * 文件最后修改日期
- * @property lastModifiedDate
- * @type {int}
- * @default 当前时间戳
- */
- this.lastModifiedDate = source.lastModifiedDate || (new Date() * 1);
- /**
- * 文件ID,每个对象具有唯一ID,与文件名无关
- * @property id
- * @type {string}
- */
- this.id = gid();
- /**
- * 文件扩展名,通过文件名获取,例如test.png的扩展名为png
- * @property ext
- * @type {string}
- */
- this.ext = rExt.exec(this.name) ? RegExp.$1 : '';
- /**
- * 状态文字说明。在不同的status语境下有不同的用途。
- * @property statusText
- * @type {string}
- */
- this.statusText = '';
- // 存储文件状态,防止通过属性直接修改
- statusMap[this.id] = WUFile.Status.INITED;
- this.source = source;
- this.loaded = 0;
- this.on('error', function (msg) {
- this.setStatus(WUFile.Status.ERROR, msg);
- });
- }
- $.extend(WUFile.prototype, {
- /**
- * 设置状态,状态变化时会触发`change`事件。
- * @method setStatus
- * @grammar setStatus( status[, statusText] );
- * @param {File.Status|String} status [文件状态值](#WebUploader:File:File.Status)
- * @param {String} [statusText=''] 状态说明,常在error时使用,用http, abort,server等来标记是由于什么原因导致文件错误。
- */
- setStatus: function (status, text) {
- var prevStatus = statusMap[this.id];
- typeof text !== 'undefined' && (this.statusText = text);
- if (status !== prevStatus) {
- statusMap[this.id] = status;
- /**
- * 文件状态变化
- * @event statuschange
- */
- this.trigger('statuschange', status, prevStatus);
- }
- },
- /**
- * 获取文件状态
- * @return {File.Status}
- * @example
- 文件状态具体包括以下几种类型:
- {
- // 初始化
- INITED: 0,
- // 已入队列
- QUEUED: 1,
- // 正在上传
- PROGRESS: 2,
- // 上传出错
- ERROR: 3,
- // 上传成功
- COMPLETE: 4,
- // 上传取消
- CANCELLED: 5
- }
- */
- getStatus: function () {
- return statusMap[this.id];
- },
- /**
- * 获取文件原始信息。
- * @return {*}
- */
- getSource: function () {
- return this.source;
- },
- destory: function () {
- delete statusMap[this.id];
- }
- });
- Mediator.installTo(WUFile.prototype);
- /**
- * 文件状态值,具体包括以下几种类型:
- * * `inited` 初始状态
- * * `queued` 已经进入队列, 等待上传
- * * `progress` 上传中
- * * `complete` 上传完成。
- * * `error` 上传出错,可重试
- * * `interrupt` 上传中断,可续传。
- * * `invalid` 文件不合格,不能重试上传。会自动从队列中移除。
- * * `cancelled` 文件被移除。
- * @property {Object} Status
- * @namespace File
- * @class File
- * @static
- */
- WUFile.Status = {
- INITED: 'inited', // 初始状态
- QUEUED: 'queued', // 已经进入队列, 等待上传
- PROGRESS: 'progress', // 上传中
- ERROR: 'error', // 上传出错,可重试
- COMPLETE: 'complete', // 上传完成。
- CANCELLED: 'cancelled', // 上传取消。
- INTERRUPT: 'interrupt', // 上传中断,可续传。
- INVALID: 'invalid' // 文件不合格,不能重试上传。
- };
- return WUFile;
- });
- /**
- * @fileOverview 文件队列
- */
- define('queue', [
- 'base',
- 'mediator',
- 'file'
- ], function (Base, Mediator, WUFile) {
- var $ = Base.$,
- STATUS = WUFile.Status;
- /**
- * 文件队列, 用来存储各个状态中的文件。
- * @class Queue
- * @extends Mediator
- */
- function Queue() {
- /**
- * 统计文件数。
- * * `numOfQueue` 队列中的文件数。
- * * `numOfSuccess` 上传成功的文件数
- * * `numOfCancel` 被移除的文件数
- * * `numOfProgress` 正在上传中的文件数
- * * `numOfUploadFailed` 上传错误的文件数。
- * * `numOfInvalid` 无效的文件数。
- * @property {Object} stats
- */
- this.stats = {
- numOfQueue: 0,
- numOfSuccess: 0,
- numOfCancel: 0,
- numOfProgress: 0,
- numOfUploadFailed: 0,
- numOfInvalid: 0
- };
- // 上传队列,仅包括等待上传的文件
- this._queue = [];
- // 存储所有文件
- this._map = {};
- }
- $.extend(Queue.prototype, {
- /**
- * 将新文件加入对队列尾部
- *
- * @method append
- * @param {File} file 文件对象
- */
- append: function (file) {
- this._queue.push(file);
- this._fileAdded(file);
- return this;
- },
- /**
- * 将新文件加入对队列头部
- *
- * @method prepend
- * @param {File} file 文件对象
- */
- prepend: function (file) {
- this._queue.unshift(file);
- this._fileAdded(file);
- return this;
- },
- /**
- * 获取文件对象
- *
- * @method getFile
- * @param {String} fileId 文件ID
- * @return {File}
- */
- getFile: function (fileId) {
- if (typeof fileId !== 'string') {
- return fileId;
- }
- return this._map[fileId];
- },
- /**
- * 从队列中取出一个指定状态的文件。
- * @grammar fetch( status ) => File
- * @method fetch
- * @param {String} status [文件状态值](#WebUploader:File:File.Status)
- * @return {File} [File](#WebUploader:File)
- */
- fetch: function (status) {
- var len = this._queue.length,
- i, file;
- status = status || STATUS.QUEUED;
- for (i = 0; i < len; i++) {
- file = this._queue[i];
- if (status === file.getStatus()) {
- return file;
- }
- }
- return null;
- },
- /**
- * 对队列进行排序,能够控制文件上传顺序。
- * @grammar sort( fn ) => undefined
- * @method sort
- * @param {Function} fn 排序方法
- */
- sort: function (fn) {
- if (typeof fn === 'function') {
- this._queue.sort(fn);
- }
- },
- /**
- * 获取指定类型的文件列表, 列表中每一个成员为[File](#WebUploader:File)对象。
- * @grammar getFiles( [status1[, status2 ...]] ) => Array
- * @method getFiles
- * @param {String} [status] [文件状态值](#WebUploader:File:File.Status)
- */
- getFiles: function () {
- var sts = [].slice.call(arguments, 0),
- ret = [],
- i = 0,
- len = this._queue.length,
- file;
- for (; i < len; i++) {
- file = this._queue[i];
- if (sts.length && !~$.inArray(file.getStatus(), sts)) {
- continue;
- }
- ret.push(file);
- }
- return ret;
- },
- _fileAdded: function (file) {
- var me = this,
- existing = this._map[file.id];
- if (!existing) {
- this._map[file.id] = file;
- file.on('statuschange', function (cur, pre) {
- me._onFileStatusChange(cur, pre);
- });
- }
- file.setStatus(STATUS.QUEUED);
- },
- _onFileStatusChange: function (curStatus, preStatus) {
- var stats = this.stats;
- switch (preStatus) {
- case STATUS.PROGRESS:
- stats.numOfProgress--;
- break;
- case STATUS.QUEUED:
- stats.numOfQueue--;
- break;
- case STATUS.ERROR:
- stats.numOfUploadFailed--;
- break;
- case STATUS.INVALID:
- stats.numOfInvalid--;
- break;
- }
- switch (curStatus) {
- case STATUS.QUEUED:
- stats.numOfQueue++;
- break;
- case STATUS.PROGRESS:
- stats.numOfProgress++;
- break;
- case STATUS.ERROR:
- stats.numOfUploadFailed++;
- break;
- case STATUS.COMPLETE:
- stats.numOfSuccess++;
- break;
- case STATUS.CANCELLED:
- stats.numOfCancel++;
- break;
- case STATUS.INVALID:
- stats.numOfInvalid++;
- break;
- }
- }
- });
- Mediator.installTo(Queue.prototype);
- return Queue;
- });
- /**
- * @fileOverview 队列
- */
- define('widgets/queue', [
- 'base',
- 'uploader',
- 'queue',
- 'file',
- 'lib/file',
- 'runtime/client',
- 'widgets/widget'
- ], function (Base, Uploader, Queue, WUFile, File, RuntimeClient) {
- var $ = Base.$,
- rExt = /\.\w+$/,
- Status = WUFile.Status;
- return Uploader.register({
- 'sort-files': 'sortFiles',
- 'add-file': 'addFiles',
- 'get-file': 'getFile',
- 'fetch-file': 'fetchFile',
- 'get-stats': 'getStats',
- 'get-files': 'getFiles',
- 'remove-file': 'removeFile',
- 'retry': 'retry',
- 'reset': 'reset',
- 'accept-file': 'acceptFile'
- }, {
- init: function (opts) {
- var me = this,
- deferred, len, i, item, arr, accept, runtime;
- if ($.isPlainObject(opts.accept)) {
- opts.accept = [opts.accept];
- }
- // accept中的中生成匹配正则。
- if (opts.accept) {
- arr = [];
- for (i = 0, len = opts.accept.length; i < len; i++) {
- item = opts.accept[i].extensions;
- item && arr.push(item);
- }
- if (arr.length) {
- accept = '\\.' + arr.join(',')
- .replace(/,/g, '$|\\.')
- .replace(/\*/g, '.*') + '$';
- }
- me.accept = new RegExp(accept, 'i');
- }
- me.queue = new Queue();
- me.stats = me.queue.stats;
- // 如果当前不是html5运行时,那就算了。
- // 不执行后续操作
- if (this.request('predict-runtime-type') !== 'html5') {
- return;
- }
- // 创建一个 html5 运行时的 placeholder
- // 以至于外部添加原生 File 对象的时候能正确包裹一下供 webuploader 使用。
- deferred = Base.Deferred();
- runtime = new RuntimeClient('Placeholder');
- runtime.connectRuntime({
- runtimeOrder: 'html5'
- }, function () {
- me._ruid = runtime.getRuid();
- deferred.resolve();
- });
- return deferred.promise();
- },
- // 为了支持外部直接添加一个原生File对象。
- _wrapFile: function (file) {
- if (!(file instanceof WUFile)) {
- if (!(file instanceof File)) {
- if (!this._ruid) {
- throw new Error('Can\'t add external files.');
- }
- file = new File(this._ruid, file);
- }
- file = new WUFile(file);
- }
- return file;
- },
- // 判断文件是否可以被加入队列
- acceptFile: function (file) {
- var invalid = !file || file.size < 6 || this.accept &&
- // 如果名字中有后缀,才做后缀白名单处理。
- rExt.exec(file.name) && !this.accept.test(file.name);
- return !invalid;
- },
- /**
- * @event beforeFileQueued
- * @param {File} file File对象
- * @description 当文件被加入队列之前触发,此事件的handler返回值为`false`,则此文件不会被添加进入队列。
- * @for Uploader
- */
- /**
- * @event fileQueued
- * @param {File} file File对象
- * @description 当文件被加入队列以后触发。
- * @for Uploader
- */
- _addFile: function (file) {
- var me = this;
- file = me._wrapFile(file);
- // 不过类型判断允许不允许,先派送 `beforeFileQueued`
- if (!me.owner.trigger('beforeFileQueued', file)) {
- return;
- }
- // 类型不匹配,则派送错误事件,并返回。
- if (!me.acceptFile(file)) {
- me.owner.trigger('error', 'Q_TYPE_DENIED', file);
- return;
- }
- me.queue.append(file);
- me.owner.trigger('fileQueued', file);
- return file;
- },
- getFile: function (fileId) {
- return this.queue.getFile(fileId);
- },
- /**
- * @event filesQueued
- * @param {File} files 数组,内容为原始File(lib/File)对象。
- * @description 当一批文件添加进队列以后触发。
- * @for Uploader
- */
- /**
- * @method addFiles
- * @grammar addFiles( file ) => undefined
- * @grammar addFiles( [file1, file2 ...] ) => undefined
- * @param {Array of File or File} [files] Files 对象 数组
- * @description 添加文件到队列
- * @for Uploader
- */
- addFiles: function (files) {
- var me = this;
- if (!files.length) {
- files = [files];
- }
- files = $.map(files, function (file) {
- return me._addFile(file);
- });
- me.owner.trigger('filesQueued', files);
- if (me.options.auto) {
- me.request('start-upload');
- }
- },
- getStats: function () {
- return this.stats;
- },
- /**
- * @event fileDequeued
- * @param {File} file File对象
- * @description 当文件被移除队列后触发。
- * @for Uploader
- */
- /**
- * @method removeFile
- * @grammar removeFile( file ) => undefined
- * @grammar removeFile( id ) => undefined
- * @param {File|id} file File对象或这File对象的id
- * @description 移除某一文件。
- * @for Uploader
- * @example
- *
- * $li.on('click', '.remove-this', function() {
- * uploader.removeFile( file );
- * })
- */
- removeFile: function (file) {
- var me = this;
- file = file.id ? file : me.queue.getFile(file);
- file.setStatus(Status.CANCELLED);
- me.owner.trigger('fileDequeued', file);
- },
- /**
- * @method getFiles
- * @grammar getFiles() => Array
- * @grammar getFiles( status1, status2, status... ) => Array
- * @description 返回指定状态的文件集合,不传参数将返回所有状态的文件。
- * @for Uploader
- * @example
- * console.log( uploader.getFiles() ); // => all files
- * console.log( uploader.getFiles('error') ) // => all error files.
- */
- getFiles: function () {
- return this.queue.getFiles.apply(this.queue, arguments);
- },
- fetchFile: function () {
- return this.queue.fetch.apply(this.queue, arguments);
- },
- /**
- * @method retry
- * @grammar retry() => undefined
- * @grammar retry( file ) => undefined
- * @description 重试上传,重试指定文件,或者从出错的文件开始重新上传。
- * @for Uploader
- * @example
- * function retry() {
- * uploader.retry();
- * }
- */
- retry: function (file, noForceStart) {
- var me = this,
- files, i, len;
- if (file) {
- file = file.id ? file : me.queue.getFile(file);
- file.setStatus(Status.QUEUED);
- noForceStart || me.request('start-upload');
- return;
- }
- files = me.queue.getFiles(Status.ERROR);
- i = 0;
- len = files.length;
- for (; i < len; i++) {
- file = files[i];
- file.setStatus(Status.QUEUED);
- }
- me.request('start-upload');
- },
- /**
- * @method sort
- * @grammar sort( fn ) => undefined
- * @description 排序队列中的文件,在上传之前调整可以控制上传顺序。
- * @for Uploader
- */
- sortFiles: function () {
- return this.queue.sort.apply(this.queue, arguments);
- },
- /**
- * @method reset
- * @grammar reset() => undefined
- * @description 重置uploader。目前只重置了队列。
- * @for Uploader
- * @example
- * uploader.reset();
- */
- reset: function () {
- this.queue = new Queue();
- this.stats = this.queue.stats;
- }
- });
- });
- /**
- * @fileOverview 添加获取Runtime相关信息的方法。
- */
- define('widgets/runtime', [
- 'uploader',
- 'runtime/runtime',
- 'widgets/widget'
- ], function (Uploader, Runtime) {
- Uploader.support = function () {
- return Runtime.hasRuntime.apply(Runtime, arguments);
- };
- return Uploader.register({
- 'predict-runtime-type': 'predictRuntmeType'
- }, {
- init: function () {
- if (!this.predictRuntmeType()) {
- throw Error('Runtime Error');
- }
- },
- /**
- * 预测Uploader将采用哪个`Runtime`
- * @grammar predictRuntmeType() => String
- * @method predictRuntmeType
- * @for Uploader
- */
- predictRuntmeType: function () {
- var orders = this.options.runtimeOrder || Runtime.orders,
- type = this.type,
- i, len;
- if (!type) {
- orders = orders.split(/\s*,\s*/g);
- for (i = 0, len = orders.length; i < len; i++) {
- if (Runtime.hasRuntime(orders[i])) {
- this.type = type = orders[i];
- break;
- }
- }
- }
- return type;
- }
- });
- });
- /**
- * @fileOverview Transport
- */
- define('lib/transport', [
- 'base',
- 'runtime/client',
- 'mediator'
- ], function (Base, RuntimeClient, Mediator) {
- var $ = Base.$;
- function Transport(opts) {
- var me = this;
- opts = me.options = $.extend(true, {}, Transport.options, opts || {});
- RuntimeClient.call(this, 'Transport');
- this._blob = null;
- this._formData = opts.formData || {};
- this._headers = opts.headers || {};
- this.on('progress', this._timeout);
- this.on('load error', function () {
- me.trigger('progress', 1);
- clearTimeout(me._timer);
- });
- }
- Transport.options = {
- server: '',
- method: 'POST',
- // 跨域时,是否允许携带cookie, 只有html5 runtime才有效
- withCredentials: false,
- fileVal: 'file',
- timeout: 2 * 60 * 1000, // 2分钟
- formData: {},
- headers: {},
- sendAsBinary: false
- };
- $.extend(Transport.prototype, {
- // 添加Blob, 只能添加一次,最后一次有效。
- appendBlob: function (key, blob, filename) {
- var me = this,
- opts = me.options;
- if (me.getRuid()) {
- me.disconnectRuntime();
- }
- // 连接到blob归属的同一个runtime.
- me.connectRuntime(blob.ruid, function () {
- me.exec('init');
- });
- me._blob = blob;
- opts.fileVal = key || opts.fileVal;
- opts.filename = filename || opts.filename;
- },
- // 添加其他字段
- append: function (key, value) {
- if (typeof key === 'object') {
- $.extend(this._formData, key);
- } else {
- this._formData[key] = value;
- }
- },
- setRequestHeader: function (key, value) {
- if (typeof key === 'object') {
- $.extend(this._headers, key);
- } else {
- this._headers[key] = value;
- }
- },
- send: function (method) {
- this.exec('send', method);
- this._timeout();
- },
- abort: function () {
- clearTimeout(this._timer);
- return this.exec('abort');
- },
- destroy: function () {
- this.trigger('destroy');
- this.off();
- this.exec('destroy');
- this.disconnectRuntime();
- },
- getResponse: function () {
- return this.exec('getResponse');
- },
- getResponseAsJson: function () {
- return this.exec('getResponseAsJson');
- },
- getStatus: function () {
- return this.exec('getStatus');
- },
- _timeout: function () {
- var me = this,
- duration = me.options.timeout;
- if (!duration) {
- return;
- }
- clearTimeout(me._timer);
- me._timer = setTimeout(function () {
- me.abort();
- me.trigger('error', 'timeout');
- }, duration);
- }
- });
- // 让Transport具备事件功能。
- Mediator.installTo(Transport.prototype);
- return Transport;
- });
- /**
- * @fileOverview 负责文件上传相关。
- */
- define('widgets/upload', [
- 'base',
- 'uploader',
- 'file',
- 'lib/transport',
- 'widgets/widget'
- ], function (Base, Uploader, WUFile, Transport) {
- var $ = Base.$,
- isPromise = Base.isPromise,
- Status = WUFile.Status;
- // 添加默认配置项
- $.extend(Uploader.options, {
- /**
- * @property {Boolean} [prepareNextFile=false]
- * @namespace options
- * @for Uploader
- * @description 是否允许在文件传输时提前把下一个文件准备好。
- * 对于一个文件的准备工作比较耗时,比如图片压缩,md5序列化。
- * 如果能提前在当前文件传输期处理,可以节省总体耗时。
- */
- prepareNextFile: false,
- /**
- * @property {Boolean} [chunked=false]
- * @namespace options
- * @for Uploader
- * @description 是否要分片处理大文件上传。
- */
- chunked: false,
- /**
- * @property {Boolean} [chunkSize=5242880]
- * @namespace options
- * @for Uploader
- * @description 如果要分片,分多大一片? 默认大小为5M.
- */
- chunkSize: 5 * 1024 * 1024,
- /**
- * @property {Boolean} [chunkRetry=2]
- * @namespace options
- * @for Uploader
- * @description 如果某个分片由于网络问题出错,允许自动重传多少次?
- */
- chunkRetry: 2,
- /**
- * @property {Boolean} [threads=3]
- * @namespace options
- * @for Uploader
- * @description 上传并发数。允许同时最大上传进程数。
- */
- threads: 3,
- /**
- * @property {Object} [formData]
- * @namespace options
- * @for Uploader
- * @description 文件上传请求的参数表,每次发送都会发送此对象中的参数。
- */
- formData: null
- /**
- * @property {Object} [fileVal='file']
- * @namespace options
- * @for Uploader
- * @description 设置文件上传域的name。
- */
- /**
- * @property {Object} [method='POST']
- * @namespace options
- * @for Uploader
- * @description 文件上传方式,`POST`或者`GET`。
- */
- /**
- * @property {Object} [sendAsBinary=false]
- * @namespace options
- * @for Uploader
- * @description 是否已二进制的流的方式发送文件,这样整个上传内容`php://input`都为文件内容,
- * 其他参数在$_GET数组中。
- */
- });
- // 负责将文件切片。
- function CuteFile(file, chunkSize) {
- var pending = [],
- blob = file.source,
- total = blob.size,
- chunks = chunkSize ? Math.ceil(total / chunkSize) : 1,
- start = 0,
- index = 0,
- len;
- while (index < chunks) {
- len = Math.min(chunkSize, total - start);
- pending.push({
- file: file,
- start: start,
- end: chunkSize ? (start + len) : total,
- total: total,
- chunks: chunks,
- chunk: index++
- });
- start += len;
- }
- file.blocks = pending.concat();
- file.remaning = pending.length;
- return {
- file: file,
- has: function () {
- return !!pending.length;
- },
- fetch: function () {
- return pending.shift();
- }
- };
- }
- Uploader.register({
- 'start-upload': 'start',
- 'stop-upload': 'stop',
- 'skip-file': 'skipFile',
- 'is-in-progress': 'isInProgress'
- }, {
- init: function () {
- var owner = this.owner;
- this.runing = false;
- // 记录当前正在传的数据,跟threads相关
- this.pool = [];
- // 缓存即将上传的文件。
- this.pending = [];
- // 跟踪还有多少分片没有完成上传。
- this.remaning = 0;
- this.__tick = Base.bindFn(this._tick, this);
- owner.on('uploadComplete', function (file) {
- // 把其他块取消了。
- file.blocks && $.each(file.blocks, function (_, v) {
- v.transport && (v.transport.abort(), v.transport.destroy());
- delete v.transport;
- });
- delete file.blocks;
- delete file.remaning;
- });
- },
- /**
- * @event startUpload
- * @description 当开始上传流程时触发。
- * @for Uploader
- */
- /**
- * 开始上传。此方法可以从初始状态调用开始上传流程,也可以从暂停状态调用,继续上传流程。
- * @grammar upload() => undefined
- * @method upload
- * @for Uploader
- */
- start: function () {
- var me = this;
- // 移出invalid的文件
- $.each(me.request('get-files', Status.INVALID), function () {
- me.request('remove-file', this);
- });
- if (me.runing) {
- return;
- }
- me.runing = true;
- // 如果有暂停的,则续传
- $.each(me.pool, function (_, v) {
- var file = v.file;
- if (file.getStatus() === Status.INTERRUPT) {
- file.setStatus(Status.PROGRESS);
- me._trigged = false;
- v.transport && v.transport.send();
- }
- });
- me._trigged = false;
- me.owner.trigger('startUpload');
- Base.nextTick(me.__tick);
- },
- /**
- * @event stopUpload
- * @description 当开始上传流程暂停时触发。
- * @for Uploader
- */
- /**
- * 暂停上传。第一个参数为是否中断上传当前正在上传的文件。
- * @grammar stop() => undefined
- * @grammar stop( true ) => undefined
- * @method stop
- * @for Uploader
- */
- stop: function (interrupt) {
- var me = this;
- if (me.runing === false) {
- return;
- }
- me.runing = false;
- interrupt && $.each(me.pool, function (_, v) {
- v.transport && v.transport.abort();
- v.file.setStatus(Status.INTERRUPT);
- });
- me.owner.trigger('stopUpload');
- },
- /**
- * 判断`Uplaode`r是否正在上传中。
- * @grammar isInProgress() => Boolean
- * @method isInProgress
- * @for Uploader
- */
- isInProgress: function () {
- return !!this.runing;
- },
- getStats: function () {
- return this.request('get-stats');
- },
- /**
- * 掉过一个文件上传,直接标记指定文件为已上传状态。
- * @grammar skipFile( file ) => undefined
- * @method skipFile
- * @for Uploader
- */
- skipFile: function (file, status) {
- file = this.request('get-file', file);
- file.setStatus(status || Status.COMPLETE);
- file.skipped = true;
- // 如果正在上传。
- file.blocks && $.each(file.blocks, function (_, v) {
- var _tr = v.transport;
- if (_tr) {
- _tr.abort();
- _tr.destroy();
- delete v.transport;
- }
- });
- this.owner.trigger('uploadSkip', file);
- },
- /**
- * @event uploadFinished
- * @description 当所有文件上传结束时触发。
- * @for Uploader
- */
- _tick: function () {
- var me = this,
- opts = me.options,
- fn, val;
- // 上一个promise还没有结束,则等待完成后再执行。
- if (me._promise) {
- return me._promise.always(me.__tick);
- }
- // 还有位置,且还有文件要处理的话。
- if (me.pool.length < opts.threads && (val = me._nextBlock())) {
- me._trigged = false;
- fn = function (val) {
- me._promise = null;
- // 有可能是reject过来的,所以要检测val的类型。
- val && val.file && me._startSend(val);
- Base.nextTick(me.__tick);
- };
- me._promise = isPromise(val) ? val.always(fn) : fn(val);
- // 没有要上传的了,且没有正在传输的了。
- } else if (!me.remaning && !me.getStats().numOfQueue) {
- me.runing = false;
- me._trigged || Base.nextTick(function () {
- me.owner.trigger('uploadFinished');
- });
- me._trigged = true;
- }
- },
- _nextBlock: function () {
- var me = this,
- act = me._act,
- opts = me.options,
- next, done;
- // 如果当前文件还有没有需要传输的,则直接返回剩下的。
- if (act && act.has() &&
- act.file.getStatus() === Status.PROGRESS) {
- // 是否提前准备下一个文件
- if (opts.prepareNextFile && !me.pending.length) {
- me._prepareNextFile();
- }
- return act.fetch();
- // 否则,如果正在运行,则准备下一个文件,并等待完成后返回下个分片。
- } else if (me.runing) {
- // 如果缓存中有,则直接在缓存中取,没有则去queue中取。
- if (!me.pending.length && me.getStats().numOfQueue) {
- me._prepareNextFile();
- }
- next = me.pending.shift();
- done = function (file) {
- if (!file) {
- return null;
- }
- act = CuteFile(file, opts.chunked ? opts.chunkSize : 0);
- me._act = act;
- return act.fetch();
- };
- // 文件可能还在prepare中,也有可能已经完全准备好了。
- return isPromise(next) ?
- next[next.pipe ? 'pipe' : 'then'](done) :
- done(next);
- }
- },
- /**
- * @event uploadStart
- * @param {File} file File对象
- * @description 某个文件开始上传前触发,一个文件只会触发一次。
- * @for Uploader
- */
- _prepareNextFile: function () {
- var me = this,
- file = me.request('fetch-file'),
- pending = me.pending,
- promise;
- if (file) {
- promise = me.request('before-send-file', file, function () {
- // 有可能文件被skip掉了。文件被skip掉后,状态坑定不是Queued.
- if (file.getStatus() === Status.QUEUED) {
- me.owner.trigger('uploadStart', file);
- file.setStatus(Status.PROGRESS);
- return file;
- }
- return me._finishFile(file);
- });
- // 如果还在pending中,则替换成文件本身。
- promise.done(function () {
- var idx = $.inArray(promise, pending);
- ~idx && pending.splice(idx, 1, file);
- });
- // befeore-send-file的钩子就有错误发生。
- promise.fail(function (reason) {
- file.setStatus(Status.ERROR, reason);
- me.owner.trigger('uploadError', file, reason);
- me.owner.trigger('uploadComplete', file);
- });
- pending.push(promise);
- }
- },
- // 让出位置了,可以让其他分片开始上传
- _popBlock: function (block) {
- var idx = $.inArray(block, this.pool);
- this.pool.splice(idx, 1);
- block.file.remaning--;
- this.remaning--;
- },
- // 开始上传,可以被掉过。如果promise被reject了,则表示跳过此分片。
- _startSend: function (block) {
- var me = this,
- file = block.file,
- promise;
- me.pool.push(block);
- me.remaning++;
- // 如果没有分片,则直接使用原始的。
- // 不会丢失content-type信息。
- block.blob = block.chunks === 1 ? file.source :
- file.source.slice(block.start, block.end);
- // hook, 每个分片发送之前可能要做些异步的事情。
- promise = me.request('before-send', block, function () {
- // 有可能文件已经上传出错了,所以不需要再传输了。
- if (file.getStatus() === Status.PROGRESS) {
- me._doSend(block);
- } else {
- me._popBlock(block);
- Base.nextTick(me.__tick);
- }
- });
- // 如果为fail了,则跳过此分片。
- promise.fail(function () {
- if (file.remaning === 1) {
- me._finishFile(file).always(function () {
- block.percentage = 1;
- me._popBlock(block);
- me.owner.trigger('uploadComplete', file);
- Base.nextTick(me.__tick);
- });
- } else {
- block.percentage = 1;
- me._popBlock(block);
- Base.nextTick(me.__tick);
- }
- });
- },
- /**
- * @event uploadBeforeSend
- * @param {Object} object
- * @param {Object} data 默认的上传参数,可以扩展此对象来控制上传参数。
- * @description 当某个文件的分块在发送前触发,主要用来询问是否要添加附带参数,大文件在开起分片上传的前提下此事件可能会触发多次。
- * @for Uploader
- */
- /**
- * @event uploadAccept
- * @param {Object} object
- * @param {Object} ret 服务端的返回数据,json格式,如果服务端不是json格式,从ret._raw中取数据,自行解析。
- * @description 当某个文件上传到服务端响应后,会派送此事件来询问服务端响应是否有效。如果此事件handler返回值为`false`, 则此文件将派送`server`类型的`uploadError`事件。
- * @for Uploader
- */
- /**
- * @event uploadProgress
- * @param {File} file File对象
- * @param {Number} percentage 上传进度
- * @description 上传过程中触发,携带上传进度。
- * @for Uploader
- */
- /**
- * @event uploadError
- * @param {File} file File对象
- * @param {String} reason 出错的code
- * @description 当文件上传出错时触发。
- * @for Uploader
- */
- /**
- * @event uploadSuccess
- * @param {File} file File对象
- * @param {Object} response 服务端返回的数据
- * @description 当文件上传成功时触发。
- * @for Uploader
- */
- /**
- * @event uploadComplete
- * @param {File} [file] File对象
- * @description 不管成功或者失败,文件上传完成时触发。
- * @for Uploader
- */
- // 做上传操作。
- _doSend: function (block) {
- var me = this,
- owner = me.owner,
- opts = me.options,
- file = block.file,
- tr = new Transport(opts),
- data = $.extend({}, opts.formData),
- headers = $.extend({}, opts.headers),
- requestAccept, ret;
- block.transport = tr;
- tr.on('destroy', function () {
- delete block.transport;
- me._popBlock(block);
- Base.nextTick(me.__tick);
- });
- // 广播上传进度。以文件为单位。
- tr.on('progress', function (percentage) {
- var totalPercent = 0,
- uploaded = 0;
- // 可能没有abort掉,progress还是执行进来了。
- // if ( !file.blocks ) {
- // return;
- // }
- totalPercent = block.percentage = percentage;
- if (block.chunks > 1) { // 计算文件的整体速度。
- $.each(file.blocks, function (_, v) {
- uploaded += (v.percentage || 0) * (v.end - v.start);
- });
- totalPercent = uploaded / file.size;
- }
- owner.trigger('uploadProgress', file, totalPercent || 0);
- });
- // 用来询问,是否返回的结果是有错误的。
- requestAccept = function (reject) {
- var fn;
- ret = tr.getResponseAsJson() || {};
- ret._raw = tr.getResponse();
- fn = function (value) {
- reject = value;
- };
- // 服务端响应了,不代表成功了,询问是否响应正确。
- if (!owner.trigger('uploadAccept', block, ret, fn)) {
- reject = reject || 'server';
- }
- return reject;
- };
- // 尝试重试,然后广播文件上传出错。
- tr.on('error', function (type, flag) {
- block.retried = block.retried || 0;
- // 自动重试
- if (block.chunks > 1 && ~'http,abort'.indexOf(type) &&
- block.retried < opts.chunkRetry) {
- block.retried++;
- tr.send();
- } else {
- // http status 500 ~ 600
- if (!flag && type === 'server') {
- type = requestAccept(type);
- }
- file.setStatus(Status.ERROR, type);
- owner.trigger('uploadError', file, type);
- owner.trigger('uploadComplete', file);
- }
- });
- // 上传成功
- tr.on('load', function () {
- var reason;
- // 如果非预期,转向上传出错。
- if ((reason = requestAccept())) {
- tr.trigger('error', reason, true);
- return;
- }
- // 全部上传完成。
- if (file.remaning === 1) {
- me._finishFile(file, ret);
- } else {
- tr.destroy();
- }
- });
- // 配置默认的上传字段。
- data = $.extend(data, {
- id: file.id,
- name: file.name,
- type: file.type,
- lastModifiedDate: file.lastModifiedDate,
- size: file.size
- });
- block.chunks > 1 && $.extend(data, {
- chunks: block.chunks,
- chunk: block.chunk
- });
- // 在发送之间可以添加字段什么的。。。
- // 如果默认的字段不够使用,可以通过监听此事件来扩展
- owner.trigger('uploadBeforeSend', block, data, headers);
- // 开始发送。
- tr.appendBlob(opts.fileVal, block.blob, file.name);
- tr.append(data);
- tr.setRequestHeader(headers);
- tr.send();
- },
- // 完成上传。
- _finishFile: function (file, ret, hds) {
- var owner = this.owner;
- return owner
- .request('after-send-file', arguments, function () {
- file.setStatus(Status.COMPLETE);
- owner.trigger('uploadSuccess', file, ret, hds);
- })
- .fail(function (reason) {
- // 如果外部已经标记为invalid什么的,不再改状态。
- if (file.getStatus() === Status.PROGRESS) {
- file.setStatus(Status.ERROR, reason);
- }
- owner.trigger('uploadError', file, reason);
- })
- .always(function () {
- owner.trigger('uploadComplete', file);
- });
- }
- });
- });
- /**
- * @fileOverview 各种验证,包括文件总大小是否超出、单文件是否超出和文件是否重复。
- */
- define('widgets/validator', [
- 'base',
- 'uploader',
- 'file',
- 'widgets/widget'
- ], function (Base, Uploader, WUFile) {
- var $ = Base.$,
- validators = {},
- api;
- /**
- * @event error
- * @param {String} type 错误类型。
- * @description 当validate不通过时,会以派送错误事件的形式通知调用者。通过`upload.on('error', handler)`可以捕获到此类错误,目前有以下错误会在特定的情况下派送错来。
- *
- * * `Q_EXCEED_NUM_LIMIT` 在设置了`fileNumLimit`且尝试给`uploader`添加的文件数量超出这个值时派送。
- * * `Q_EXCEED_SIZE_LIMIT` 在设置了`Q_EXCEED_SIZE_LIMIT`且尝试给`uploader`添加的文件总大小超出这个值时派送。
- * @for Uploader
- */
- // 暴露给外面的api
- api = {
- // 添加验证器
- addValidator: function (type, cb) {
- validators[type] = cb;
- },
- // 移除验证器
- removeValidator: function (type) {
- delete validators[type];
- }
- };
- // 在Uploader初始化的时候启动Validators的初始化
- Uploader.register({
- init: function () {
- var me = this;
- $.each(validators, function () {
- this.call(me.owner);
- });
- }
- });
- /**
- * @property {int} [fileNumLimit=undefined]
- * @namespace options
- * @for Uploader
- * @description 验证文件总数量, 超出则不允许加入队列。
- */
- api.addValidator('fileNumLimit', function () {
- var uploader = this,
- opts = uploader.options,
- count = 0,
- max = opts.fileNumLimit >> 0,
- flag = true;
- if (!max) {
- return;
- }
- uploader.on('beforeFileQueued', function (file) {
- if (count >= max && flag) {
- flag = false;
- this.trigger('error', 'Q_EXCEED_NUM_LIMIT', max, file);
- setTimeout(function () {
- flag = true;
- }, 1);
- }
- return count >= max ? false : true;
- });
- uploader.on('fileQueued', function () {
- count++;
- });
- uploader.on('fileDequeued', function () {
- count--;
- });
- uploader.on('uploadFinished', function () {
- count = 0;
- });
- });
- /**
- * @property {int} [fileSizeLimit=undefined]
- * @namespace options
- * @for Uploader
- * @description 验证文件总大小是否超出限制, 超出则不允许加入队列。
- */
- api.addValidator('fileSizeLimit', function () {
- var uploader = this,
- opts = uploader.options,
- count = 0,
- max = opts.fileSizeLimit >> 0,
- flag = true;
- if (!max) {
- return;
- }
- uploader.on('beforeFileQueued', function (file) {
- var invalid = count + file.size > max;
- if (invalid && flag) {
- flag = false;
- this.trigger('error', 'Q_EXCEED_SIZE_LIMIT', max, file);
- setTimeout(function () {
- flag = true;
- }, 1);
- }
- return invalid ? false : true;
- });
- uploader.on('fileQueued', function (file) {
- count += file.size;
- });
- uploader.on('fileDequeued', function (file) {
- count -= file.size;
- });
- uploader.on('uploadFinished', function () {
- count = 0;
- });
- });
- /**
- * @property {int} [fileSingleSizeLimit=undefined]
- * @namespace options
- * @for Uploader
- * @description 验证单个文件大小是否超出限制, 超出则不允许加入队列。
- */
- api.addValidator('fileSingleSizeLimit', function () {
- var uploader = this,
- opts = uploader.options,
- max = opts.fileSingleSizeLimit;
- if (!max) {
- return;
- }
- uploader.on('beforeFileQueued', function (file) {
- if (file.size > max) {
- file.setStatus(WUFile.Status.INVALID, 'exceed_size');
- this.trigger('error', 'F_EXCEED_SIZE', file);
- return false;
- }
- });
- });
- /**
- * @property {int} [duplicate=undefined]
- * @namespace options
- * @for Uploader
- * @description 去重, 根据文件名字、文件大小和最后修改时间来生成hash Key.
- */
- api.addValidator('duplicate', function () {
- var uploader = this,
- opts = uploader.options,
- mapping = {};
- if (opts.duplicate) {
- return;
- }
- function hashString(str) {
- var hash = 0,
- i = 0,
- len = str.length,
- _char;
- for (; i < len; i++) {
- _char = str.charCodeAt(i);
- hash = _char + (hash << 6) + (hash << 16) - hash;
- }
- return hash;
- }
- uploader.on('beforeFileQueued', function (file) {
- var hash = file.__hash || (file.__hash = hashString(file.name +
- file.size + file.lastModifiedDate));
- // 已经重复了
- if (mapping[hash]) {
- this.trigger('error', 'F_DUPLICATE', file);
- return false;
- }
- });
- uploader.on('fileQueued', function (file) {
- var hash = file.__hash;
- hash && (mapping[hash] = true);
- });
- uploader.on('fileDequeued', function (file) {
- var hash = file.__hash;
- hash && (delete mapping[hash]);
- });
- });
- return api;
- });
- /**
- * @fileOverview Runtime管理器,负责Runtime的选择, 连接
- */
- define('runtime/compbase', [], function () {
- function CompBase(owner, runtime) {
- this.owner = owner;
- this.options = owner.options;
- this.getRuntime = function () {
- return runtime;
- };
- this.getRuid = function () {
- return runtime.uid;
- };
- this.trigger = function () {
- return owner.trigger.apply(owner, arguments);
- };
- }
- return CompBase;
- });
- /**
- * @fileOverview Html5Runtime
- */
- define('runtime/html5/runtime', [
- 'base',
- 'runtime/runtime',
- 'runtime/compbase'
- ], function (Base, Runtime, CompBase) {
- var type = 'html5',
- components = {};
- function Html5Runtime() {
- var pool = {},
- me = this,
- destory = this.destory;
- Runtime.apply(me, arguments);
- me.type = type;
- // 这个方法的调用者,实际上是RuntimeClient
- me.exec = function (comp, fn/*, args...*/) {
- var client = this,
- uid = client.uid,
- args = Base.slice(arguments, 2),
- instance;
- if (components[comp]) {
- instance = pool[uid] = pool[uid] ||
- new components[comp](client, me);
- if (instance[fn]) {
- return instance[fn].apply(instance, args);
- }
- }
- };
- me.destory = function () {
- // @todo 删除池子中的所有实例
- return destory && destory.apply(this, arguments);
- };
- }
- Base.inherits(Runtime, {
- constructor: Html5Runtime,
- // 不需要连接其他程序,直接执行callback
- init: function () {
- var me = this;
- setTimeout(function () {
- me.trigger('ready');
- }, 1);
- }
- });
- // 注册Components
- Html5Runtime.register = function (name, component) {
- var klass = components[name] = Base.inherits(CompBase, component);
- return klass;
- };
- // 注册html5运行时。
- // 只有在支持的前提下注册。
- if (window.Blob && window.FileReader && window.DataView) {
- Runtime.addRuntime(type, Html5Runtime);
- }
- return Html5Runtime;
- });
- /**
- * @fileOverview Blob Html实现
- */
- define('runtime/html5/blob', [
- 'runtime/html5/runtime',
- 'lib/blob'
- ], function (Html5Runtime, Blob) {
- return Html5Runtime.register('Blob', {
- slice: function (start, end) {
- var blob = this.owner.source,
- slice = blob.slice || blob.webkitSlice || blob.mozSlice;
- blob = slice.call(blob, start, end);
- return new Blob(this.getRuid(), blob);
- }
- });
- });
- /**
- * @fileOverview FilePaste
- */
- define('runtime/html5/dnd', [
- 'base',
- 'runtime/html5/runtime',
- 'lib/file'
- ], function (Base, Html5Runtime, File) {
- var $ = Base.$,
- prefix = 'webuploader-dnd-';
- return Html5Runtime.register('DragAndDrop', {
- init: function () {
- var elem = this.elem = this.options.container;
- this.dragEnterHandler = Base.bindFn(this._dragEnterHandler, this);
- this.dragOverHandler = Base.bindFn(this._dragOverHandler, this);
- this.dragLeaveHandler = Base.bindFn(this._dragLeaveHandler, this);
- this.dropHandler = Base.bindFn(this._dropHandler, this);
- this.dndOver = false;
- elem.on('dragenter', this.dragEnterHandler);
- elem.on('dragover', this.dragOverHandler);
- elem.on('dragleave', this.dragLeaveHandler);
- elem.on('drop', this.dropHandler);
- if (this.options.disableGlobalDnd) {
- $(document).on('dragover', this.dragOverHandler);
- $(document).on('drop', this.dropHandler);
- }
- },
- _dragEnterHandler: function (e) {
- var me = this,
- denied = me._denied || false,
- items;
- e = e.originalEvent || e;
- if (!me.dndOver) {
- me.dndOver = true;
- // 注意只有 chrome 支持。
- items = e.dataTransfer.items;
- if (items && items.length) {
- me._denied = denied = !me.trigger('accept', items);
- }
- me.elem.addClass(prefix + 'over');
- me.elem[denied ? 'addClass' :
- 'removeClass'](prefix + 'denied');
- }
- e.dataTransfer.dropEffect = denied ? 'none' : 'copy';
- return false;
- },
- _dragOverHandler: function (e) {
- // 只处理框内的。
- var parentElem = this.elem.parent().get(0);
- if (parentElem && !$.contains(parentElem, e.currentTarget)) {
- return false;
- }
- clearTimeout(this._leaveTimer);
- this._dragEnterHandler.call(this, e);
- return false;
- },
- _dragLeaveHandler: function () {
- var me = this,
- handler;
- handler = function () {
- me.dndOver = false;
- me.elem.removeClass(prefix + 'over ' + prefix + 'denied');
- };
- clearTimeout(me._leaveTimer);
- me._leaveTimer = setTimeout(handler, 100);
- return false;
- },
- _dropHandler: function (e) {
- var me = this,
- ruid = me.getRuid(),
- parentElem = me.elem.parent().get(0);
- // 只处理框内的。
- if (parentElem && !$.contains(parentElem, e.currentTarget)) {
- return false;
- }
- me._getTansferFiles(e, function (results) {
- me.trigger('drop', $.map(results, function (file) {
- return new File(ruid, file);
- }));
- });
- me.dndOver = false;
- me.elem.removeClass(prefix + 'over');
- return false;
- },
- // 如果传入 callback 则去查看文件夹,否则只管当前文件夹。
- _getTansferFiles: function (e, callback) {
- var results = [],
- promises = [],
- items, files, dataTransfer, file, item, i, len, canAccessFolder;
- e = e.originalEvent || e;
- dataTransfer = e.dataTransfer;
- items = dataTransfer.items;
- files = dataTransfer.files;
- canAccessFolder = !!(items && items[0].webkitGetAsEntry);
- for (i = 0, len = files.length; i < len; i++) {
- file = files[i];
- item = items && items[i];
- if (canAccessFolder && item.webkitGetAsEntry().isDirectory) {
- promises.push(this._traverseDirectoryTree(
- item.webkitGetAsEntry(), results));
- } else {
- results.push(file);
- }
- }
- Base.when.apply(Base, promises).done(function () {
- if (!results.length) {
- return;
- }
- callback(results);
- });
- },
- _traverseDirectoryTree: function (entry, results) {
- var deferred = Base.Deferred(),
- me = this;
- if (entry.isFile) {
- entry.file(function (file) {
- results.push(file);
- deferred.resolve();
- });
- } else if (entry.isDirectory) {
- entry.createReader().readEntries(function (entries) {
- var len = entries.length,
- promises = [],
- arr = [], // 为了保证顺序。
- i;
- for (i = 0; i < len; i++) {
- promises.push(me._traverseDirectoryTree(
- entries[i], arr));
- }
- Base.when.apply(Base, promises).then(function () {
- results.push.apply(results, arr);
- deferred.resolve();
- }, deferred.reject);
- });
- }
- return deferred.promise();
- },
- destroy: function () {
- var elem = this.elem;
- elem.off('dragenter', this.dragEnterHandler);
- elem.off('dragover', this.dragEnterHandler);
- elem.off('dragleave', this.dragLeaveHandler);
- elem.off('drop', this.dropHandler);
- if (this.options.disableGlobalDnd) {
- $(document).off('dragover', this.dragOverHandler);
- $(document).off('drop', this.dropHandler);
- }
- }
- });
- });
- /**
- * @fileOverview FilePaste
- */
- define('runtime/html5/filepaste', [
- 'base',
- 'runtime/html5/runtime',
- 'lib/file'
- ], function (Base, Html5Runtime, File) {
- return Html5Runtime.register('FilePaste', {
- init: function () {
- var opts = this.options,
- elem = this.elem = opts.container,
- accept = '.*',
- arr, i, len, item;
- // accetp的mimeTypes中生成匹配正则。
- if (opts.accept) {
- arr = [];
- for (i = 0, len = opts.accept.length; i < len; i++) {
- item = opts.accept[i].mimeTypes;
- item && arr.push(item);
- }
- if (arr.length) {
- accept = arr.join(',');
- accept = accept.replace(/,/g, '|').replace(/\*/g, '.*');
- }
- }
- this.accept = accept = new RegExp(accept, 'i');
- this.hander = Base.bindFn(this._pasteHander, this);
- elem.on('paste', this.hander);
- },
- _pasteHander: function (e) {
- var allowed = [],
- ruid = this.getRuid(),
- items, item, blob, i, len;
- e = e.originalEvent || e;
- items = e.clipboardData.items;
- for (i = 0, len = items.length; i < len; i++) {
- item = items[i];
- if (item.kind !== 'file' || !(blob = item.getAsFile())) {
- continue;
- }
- allowed.push(new File(ruid, blob));
- }
- if (allowed.length) {
- // 不阻止非文件粘贴(文字粘贴)的事件冒泡
- e.preventDefault();
- e.stopPropagation();
- this.trigger('paste', allowed);
- }
- },
- destroy: function () {
- this.elem.off('paste', this.hander);
- }
- });
- });
- /**
- * @fileOverview FilePicker
- */
- define('runtime/html5/filepicker', [
- 'base',
- 'runtime/html5/runtime'
- ], function (Base, Html5Runtime) {
- var $ = Base.$;
- return Html5Runtime.register('FilePicker', {
- init: function () {
- var container = this.getRuntime().getContainer(),
- me = this,
- owner = me.owner,
- opts = me.options,
- lable = $(document.createElement('label')),
- input = $(document.createElement('input')),
- arr, i, len, mouseHandler;
- input.attr('type', 'file');
- input.attr('name', opts.name);
- input.addClass('webuploader-element-invisible');
- lable.on('click', function () {
- input.trigger('click');
- });
- lable.css({
- opacity: 0,
- width: '100%',
- height: '100%',
- display: 'block',
- cursor: 'pointer',
- background: '#ffffff'
- });
- if (opts.multiple) {
- input.attr('multiple', 'multiple');
- }
- // @todo Firefox不支持单独指定后缀
- if (opts.accept && opts.accept.length > 0) {
- arr = [];
- for (i = 0, len = opts.accept.length; i < len; i++) {
- arr.push(opts.accept[i].mimeTypes);
- }
- input.attr('accept', arr.join(','));
- }
- container.append(input);
- container.append(lable);
- mouseHandler = function (e) {
- owner.trigger(e.type);
- };
- input.on('change', function (e) {
- var fn = arguments.callee,
- clone;
- me.files = e.target.files;
- // reset input
- clone = this.cloneNode(true);
- this.parentNode.replaceChild(clone, this);
- input.off();
- input = $(clone).on('change', fn)
- .on('mouseenter mouseleave', mouseHandler);
- owner.trigger('change');
- });
- lable.on('mouseenter mouseleave', mouseHandler);
- },
- getFiles: function () {
- return this.files;
- },
- destroy: function () {
- // todo
- }
- });
- });
- /**
- * @fileOverview Transport
- * @todo 支持chunked传输,优势:
- * 可以将大文件分成小块,挨个传输,可以提高大文件成功率,当失败的时候,也只需要重传那小部分,
- * 而不需要重头再传一次。另外断点续传也需要用chunked方式。
- */
- define('runtime/html5/transport', [
- 'base',
- 'runtime/html5/runtime'
- ], function (Base, Html5Runtime) {
- var noop = Base.noop,
- $ = Base.$;
- return Html5Runtime.register('Transport', {
- init: function () {
- this._status = 0;
- this._response = null;
- },
- send: function () {
- var owner = this.owner,
- opts = this.options,
- xhr = this._initAjax(),
- blob = owner._blob,
- server = opts.server,
- formData, binary, fr;
- if (opts.sendAsBinary) {
- server += (/\?/.test(server) ? '&' : '?') +
- $.param(owner._formData);
- binary = blob.getSource();
- } else {
- formData = new FormData();
- $.each(owner._formData, function (k, v) {
- formData.append(k, v);
- });
- formData.append(opts.fileVal, blob.getSource(),
- opts.filename || owner._formData.name || '');
- }
- if (opts.withCredentials && 'withCredentials' in xhr) {
- xhr.open(opts.method, server, true);
- xhr.withCredentials = true;
- } else {
- xhr.open(opts.method, server);
- }
- this._setRequestHeader(xhr, opts.headers);
- if (binary) {
- xhr.overrideMimeType('application/octet-stream');
- // android直接发送blob会导致服务端接收到的是空文件。
- // bug详情。
- // https://code.google.com/p/android/issues/detail?id=39882
- // 所以先用fileReader读取出来再通过arraybuffer的方式发送。
- if (Base.os.android) {
- fr = new FileReader();
- fr.onload = function () {
- xhr.send(this.result);
- fr = fr.onload = null;
- };
- fr.readAsArrayBuffer(binary);
- } else {
- xhr.send(binary);
- }
- } else {
- xhr.send(formData);
- }
- },
- getResponse: function () {
- return this._response;
- },
- getResponseAsJson: function () {
- return this._parseJson(this._response);
- },
- getStatus: function () {
- return this._status;
- },
- abort: function () {
- var xhr = this._xhr;
- if (xhr) {
- xhr.upload.onprogress = noop;
- xhr.onreadystatechange = noop;
- xhr.abort();
- this._xhr = xhr = null;
- }
- },
- destroy: function () {
- this.abort();
- },
- _initAjax: function () {
- var me = this,
- xhr = new XMLHttpRequest(),
- opts = this.options;
- if (opts.withCredentials && !('withCredentials' in xhr) &&
- typeof XDomainRequest !== 'undefined') {
- xhr = new XDomainRequest();
- }
- xhr.upload.onprogress = function (e) {
- var percentage = 0;
- if (e.lengthComputable) {
- percentage = e.loaded / e.total;
- }
- return me.trigger('progress', percentage);
- };
- xhr.onreadystatechange = function () {
- if (xhr.readyState !== 4) {
- return;
- }
- xhr.upload.onprogress = noop;
- xhr.onreadystatechange = noop;
- me._xhr = null;
- me._status = xhr.status;
- if (xhr.status >= 200 && xhr.status < 300) {
- me._response = xhr.responseText;
- return me.trigger('load');
- } else if (xhr.status >= 500 && xhr.status < 600) {
- me._response = xhr.responseText;
- return me.trigger('error', 'server');
- }
- return me.trigger('error', me._status ? 'http' : 'abort');
- };
- me._xhr = xhr;
- return xhr;
- },
- _setRequestHeader: function (xhr, headers) {
- $.each(headers, function (key, val) {
- xhr.setRequestHeader(key, val);
- });
- },
- _parseJson: function (str) {
- var json;
- try {
- json = JSON.parse(str);
- } catch (ex) {
- json = {};
- }
- return json;
- }
- });
- });
- /**
- * @fileOverview FlashRuntime
- */
- define('runtime/flash/runtime', [
- 'base',
- 'runtime/runtime',
- 'runtime/compbase'
- ], function (Base, Runtime, CompBase) {
- var $ = Base.$,
- type = 'flash',
- components = {};
- function getFlashVersion() {
- var version;
- try {
- version = navigator.plugins['Shockwave Flash'];
- version = version.description;
- } catch (ex) {
- try {
- version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
- .GetVariable('$version');
- } catch (ex2) {
- version = '0.0';
- }
- }
- version = version.match(/\d+/g);
- return parseFloat(version[0] + '.' + version[1], 10);
- }
- function FlashRuntime() {
- var pool = {},
- clients = {},
- destory = this.destory,
- me = this,
- jsreciver = Base.guid('webuploader_');
- Runtime.apply(me, arguments);
- me.type = type;
- // 这个方法的调用者,实际上是RuntimeClient
- me.exec = function (comp, fn/*, args...*/) {
- var client = this,
- uid = client.uid,
- args = Base.slice(arguments, 2),
- instance;
- clients[uid] = client;
- if (components[comp]) {
- if (!pool[uid]) {
- pool[uid] = new components[comp](client, me);
- }
- instance = pool[uid];
- if (instance[fn]) {
- return instance[fn].apply(instance, args);
- }
- }
- return me.flashExec.apply(client, arguments);
- };
- function handler(evt, obj) {
- var type = evt.type || evt,
- parts, uid;
- parts = type.split('::');
- uid = parts[0];
- type = parts[1];
- // console.log.apply( console, arguments );
- if (type === 'Ready' && uid === me.uid) {
- me.trigger('ready');
- } else if (clients[uid]) {
- clients[uid].trigger(type.toLowerCase(), evt, obj);
- }
- // Base.log( evt, obj );
- }
- // flash的接受器。
- window[jsreciver] = function () {
- var args = arguments;
- // 为了能捕获得到。
- setTimeout(function () {
- handler.apply(null, args);
- }, 1);
- };
- this.jsreciver = jsreciver;
- this.destory = function () {
- // @todo 删除池子中的所有实例
- return destory && destory.apply(this, arguments);
- };
- this.flashExec = function (comp, fn) {
- var flash = me.getFlash(),
- args = Base.slice(arguments, 2);
- return flash.exec(this.uid, comp, fn, args);
- };
- // @todo
- }
- Base.inherits(Runtime, {
- constructor: FlashRuntime,
- init: function () {
- var container = this.getContainer(),
- opts = this.options,
- html;
- // if not the minimal height, shims are not initialized
- // in older browsers (e.g FF3.6, IE6,7,8, Safari 4.0,5.0, etc)
- container.css({
- position: 'absolute',
- top: '-8px',
- left: '-8px',
- width: '9px',
- height: '9px',
- overflow: 'hidden'
- });
- // insert flash object
- html = '<object id="' + this.uid + '" type="application/' +
- 'x-shockwave-flash" data="' + opts.swf + '" ';
- if (Base.browser.ie) {
- html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
- }
- html += 'width="100%" height="100%" style="outline:0">' +
- '<param name="movie" value="' + opts.swf + '" />' +
- '<param name="flashvars" value="uid=' + this.uid +
- '&jsreciver=' + this.jsreciver + '" />' +
- '<param name="wmode" value="transparent" />' +
- '<param name="allowscriptaccess" value="always" />' +
- '</object>';
- container.html(html);
- },
- getFlash: function () {
- if (this._flash) {
- return this._flash;
- }
- this._flash = $('#' + this.uid).get(0);
- return this._flash;
- }
- });
- FlashRuntime.register = function (name, component) {
- component = components[name] = Base.inherits(CompBase, $.extend({
- // @todo fix this later
- flashExec: function () {
- var owner = this.owner,
- runtime = this.getRuntime();
- return runtime.flashExec.apply(owner, arguments);
- }
- }, component));
- return component;
- };
- if (getFlashVersion() >= 11.4) {
- Runtime.addRuntime(type, FlashRuntime);
- }
- return FlashRuntime;
- });
- /**
- * @fileOverview FilePicker
- */
- define('runtime/flash/filepicker', [
- 'base',
- 'runtime/flash/runtime'
- ], function (Base, FlashRuntime) {
- var $ = Base.$;
- return FlashRuntime.register('FilePicker', {
- init: function (opts) {
- var copy = $.extend({}, opts),
- len, i;
- // 修复Flash再没有设置title的情况下无法弹出flash文件选择框的bug.
- len = copy.accept && copy.accept.length;
- for (i = 0; i < len; i++) {
- if (!copy.accept[i].title) {
- copy.accept[i].title = 'Files';
- }
- }
- delete copy.button;
- delete copy.container;
- this.flashExec('FilePicker', 'init', copy);
- },
- destroy: function () {
- // todo
- }
- });
- });
- /**
- * @fileOverview Transport flash实现
- */
- define('runtime/flash/transport', [
- 'base',
- 'runtime/flash/runtime',
- 'runtime/client'
- ], function (Base, FlashRuntime, RuntimeClient) {
- var $ = Base.$;
- return FlashRuntime.register('Transport', {
- init: function () {
- this._status = 0;
- this._response = null;
- this._responseJson = null;
- },
- send: function () {
- var owner = this.owner,
- opts = this.options,
- xhr = this._initAjax(),
- blob = owner._blob,
- server = opts.server,
- binary;
- xhr.connectRuntime(blob.ruid);
- if (opts.sendAsBinary) {
- server += (/\?/.test(server) ? '&' : '?') +
- $.param(owner._formData);
- binary = blob.uid;
- } else {
- $.each(owner._formData, function (k, v) {
- xhr.exec('append', k, v);
- });
- xhr.exec('appendBlob', opts.fileVal, blob.uid,
- opts.filename || owner._formData.name || '');
- }
- this._setRequestHeader(xhr, opts.headers);
- xhr.exec('send', {
- method: opts.method,
- url: server
- }, binary);
- },
- getStatus: function () {
- return this._status;
- },
- getResponse: function () {
- return this._response;
- },
- getResponseAsJson: function () {
- return this._responseJson;
- },
- abort: function () {
- var xhr = this._xhr;
- if (xhr) {
- xhr.exec('abort');
- xhr.destroy();
- this._xhr = xhr = null;
- }
- },
- destroy: function () {
- this.abort();
- },
- _initAjax: function () {
- var me = this,
- xhr = new RuntimeClient('XMLHttpRequest');
- xhr.on('uploadprogress progress', function (e) {
- return me.trigger('progress', e.loaded / e.total);
- });
- xhr.on('load', function () {
- var status = xhr.exec('getStatus'),
- err = '';
- xhr.off();
- me._xhr = null;
- if (status >= 200 && status < 300) {
- me._response = xhr.exec('getResponse');
- me._responseJson = xhr.exec('getResponseAsJson');
- } else if (status >= 500 && status < 600) {
- me._response = xhr.exec('getResponse');
- me._responseJson = xhr.exec('getResponseAsJson');
- err = 'server';
- } else {
- err = 'http';
- }
- xhr.destroy();
- xhr = null;
- return err ? me.trigger('error', err) : me.trigger('load');
- });
- xhr.on('error', function () {
- xhr.off();
- me._xhr = null;
- me.trigger('error', 'http');
- });
- me._xhr = xhr;
- return xhr;
- },
- _setRequestHeader: function (xhr, headers) {
- $.each(headers, function (key, val) {
- xhr.exec('setRequestHeader', key, val);
- });
- }
- });
- });
- /**
- * @fileOverview 没有图像处理的版本。
- */
- define('preset/withoutimage', [
- 'base',
- // widgets
- 'widgets/filednd',
- 'widgets/filepaste',
- 'widgets/filepicker',
- 'widgets/queue',
- 'widgets/runtime',
- 'widgets/upload',
- 'widgets/validator',
- // runtimes
- // html5
- 'runtime/html5/blob',
- 'runtime/html5/dnd',
- 'runtime/html5/filepaste',
- 'runtime/html5/filepicker',
- 'runtime/html5/transport',
- // flash
- 'runtime/flash/filepicker',
- 'runtime/flash/transport'
- ], function (Base) {
- return Base;
- });
- define('webuploader', [
- 'preset/withoutimage'
- ], function (preset) {
- return preset;
- });
- return require('webuploader');
- });
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