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JavaScript

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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');
});