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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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