uploader.min.js 3.79 KB
!function(a,b){"function"==typeof define&&define.amd?define("simple-uploader",["jquery","simple-module"],function(c,d){return a.returnExportsGlobal=b(c,d)}):"object"==typeof exports?module.exports=b(require("jquery"),require("simple-module")):(a.simple=a.simple||{},a.simple.uploader=b(jQuery,SimpleModule))}(this,function(a,b){var c,d,e={}.hasOwnProperty,f=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);return c.prototype=b.prototype,a.prototype=new c,a.__super__=b.prototype,a};return c=function(b){function c(){return c.__super__.constructor.apply(this,arguments)}return f(c,b),c.count=0,c.prototype.opts={url:"",params:null,fileKey:"upload_file",connectionCount:3},c.prototype._init=function(){return this.files=[],this.queue=[],this.id=++c.count,this.on("uploadcomplete",function(b){return function(c,d){return b.files.splice(a.inArray(d,b.files),1),b.queue.length>0&&b.files.length<b.opts.connectionCount?b.upload(b.queue.shift()):b.uploading=!1}}(this)),a(window).on("beforeunload.uploader-"+this.id,function(a){return function(b){return a.uploading?(b.originalEvent.returnValue=a._t("leaveConfirm"),a._t("leaveConfirm")):void 0}}(this))},c.prototype.generateId=function(){var a;return a=0,function(){return a+=1}}(),c.prototype.upload=function(b,c){var d,e,f,g;if(null==c&&(c={}),null!=b){if(a.isArray(b))for(f=0,g=b.length;g>f;f++)d=b[f],this.upload(d,c);else a(b).is("input:file")?(e=a(b).attr("name"),e&&(c.fileKey=e),this.upload(a.makeArray(a(b)[0].files),c)):b.id&&b.obj||(b=this.getFile(b));if(b&&b.obj){if(a.extend(b,c),this.files.length>=this.opts.connectionCount)return void this.queue.push(b);if(this.triggerHandler("beforeupload",[b])!==!1)return this.files.push(b),this._xhrUpload(b),this.uploading=!0}}},c.prototype.getFile=function(a){var b,c,d;return a instanceof window.File||a instanceof window.Blob?(b=null!=(c=a.fileName)?c:a.name,{id:this.generateId(),url:this.opts.url,params:this.opts.params,fileKey:this.opts.fileKey,name:b,size:null!=(d=a.fileSize)?d:a.size,ext:b?b.split(".").pop().toLowerCase():"",obj:a}):null},c.prototype._xhrUpload=function(b){var c,d,e,f;if(c=new FormData,c.append(b.fileKey,b.obj),c.append("original_filename",b.name),b.params){f=b.params;for(d in f)e=f[d],c.append(d,e)}return b.xhr=a.ajax({url:b.url,data:c,dataType:"json",processData:!1,contentType:!1,type:"POST",headers:{"X-File-Name":encodeURIComponent(b.name)},xhr:function(){var b;return b=a.ajaxSettings.xhr(),b&&(b.upload.onprogress=function(a){return function(b){return a.progress(b)}}(this)),b},progress:function(a){return function(c){return c.lengthComputable?a.trigger("uploadprogress",[b,c.loaded,c.total]):void 0}}(this),error:function(a){return function(c,d){return a.trigger("uploaderror",[b,c,d])}}(this),success:function(a){return function(c){return a.trigger("uploadprogress",[b,b.size,b.size]),a.trigger("uploadsuccess",[b,c])}}(this),complete:function(a){return function(c){return a.trigger("uploadcomplete",[b,c.responseText])}}(this)})},c.prototype.cancel=function(a){var b,c,d,e;if(!a.id)for(e=this.files,c=0,d=e.length;d>c;c++)if(b=e[c],b.id===1*a){a=b;break}return this.trigger("uploadcancel",[a]),a.xhr&&a.xhr.abort(),a.xhr=null},c.prototype.readImageFile=function(b,c){var d,e;if(a.isFunction(c))return e=new Image,e.onload=function(){return c(e)},e.onerror=function(){return c()},window.FileReader&&FileReader.prototype.readAsDataURL&&/^image/.test(b.type)?(d=new FileReader,d.onload=function(a){return e.src=a.target.result},d.readAsDataURL(b)):c()},c.prototype.destroy=function(){var b,c,d,e;for(this.queue.length=0,e=this.files,c=0,d=e.length;d>c;c++)b=e[c],this.cancel(b);return a(window).off(".uploader-"+this.id),a(document).off(".uploader-"+this.id)},c.i18n={"zh-CN":{leaveConfirm:"正在上传文件,如果离开上传会自动取消"}},c.locale="zh-CN",c}(b),d=function(a){return new c(a)}});