/*!
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* MultiUpload for xheditor
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* @requires xhEditor
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*
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* @author Yanis.Wang<yanis.wang@gmail.com>
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* @site http://xheditor.com/
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* @licence LGPL(http://www.opensource.org/licenses/lgpl-license.php)
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*
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* @Version: 0.9.2 (build 100505)
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*/
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var swfu,selQueue=[],selectID,arrMsg=[],allSize=0,uploadSize=0;
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function removeFile()
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{
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var file;
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if(!selectID)return;
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for(var i in selQueue)
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{
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file=selQueue[i];
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if(file.id==selectID)
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{
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selQueue.splice(i,1);
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allSize-=file.size;
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swfu.cancelUpload(file.id);
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$('#'+file.id).remove();
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selectID=null;
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break;
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}
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}
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$('#btnClear').hide();
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if(selQueue.length==0)$('#controlBtns').hide();
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}
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function startUploadFiles()
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{
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if(swfu.getStats().files_queued>0)
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{
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$('#controlBtns').hide();
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swfu.startUpload();
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}
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else alert('上传前请先添加文件');
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}
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function setFileState(fileid,txt)
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{
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$('#'+fileid+'_state').text(txt);
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}
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function fileQueued(file)//队列添加成功
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{
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for(var i in selQueue)if(selQueue[i].name==file.name){swfu.cancelUpload(file.id);return false;}//防止同名文件重复添加
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if(selQueue.length==0)$('#controlBtns').show();
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selQueue.push(file);
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allSize+=file.size;
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$('#listBody').append('<tr id="'+file.id+'"><td>'+file.name+'</td><td>'+formatBytes(file.size)+'</td><td id="'+file.id+'_state">就绪</td></tr>');
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$('#'+file.id).hover(function(){$(this).addClass('hover');},function(){$(this).removeClass('hover');})
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.click(function(){selectID=file.id;$('#listBody tr').removeClass('select');$(this).removeClass('hover').addClass('select');$('#btnClear').show();})
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}
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function fileQueueError(file, errorCode, message)//队列添加失败
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{
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var errorName='';
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switch (errorCode)
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{
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case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
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errorName = "只能同时上传 "+this.settings.file_upload_limit+" 个文件";
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break;
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case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
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errorName = "选择的文件超过了当前大小限制："+this.settings.file_size_limit;
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break;
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case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
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errorName = "零大小文件";
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break;
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case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
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errorName = "文件扩展名必需为："+this.settings.file_types_description+" ("+this.settings.file_types+")";
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break;
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default:
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errorName = "未知错误";
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break;
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}
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alert(errorName);
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}
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function uploadStart(file)//单文件上传开始
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{
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setFileState(file.id,'上传中…');
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}
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function uploadProgress(file, bytesLoaded, bytesTotal)//单文件上传进度
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{
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var percent=Math.ceil((uploadSize+bytesLoaded)/allSize*100);
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$('#progressBar span').text(percent+'% ('+formatBytes(uploadSize+bytesLoaded)+' / '+formatBytes(allSize)+')');
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$('#progressBar div').css('width',percent+'%');
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}
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function uploadSuccess(file, serverData)//单文件上传成功
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{
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var data=Object;
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try{eval("data=" + serverData);}catch(ex){};
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if(data.err!=undefined&&data.msg!=undefined)
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{
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if(!data.err)
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{
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uploadSize+=file.size;
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arrMsg.push(data.msg);
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setFileState(file.id,'上传成功');
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}
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else
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{
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setFileState(file.id,'上传失败');
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alert(data.err);
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}
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}
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else setFileState(file.id,'上传失败！');
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}
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function uploadError(file, errorCode, message)//单文件上传错误
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{
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setFileState(file.id,'上传失败！');
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}
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function uploadComplete(file)//文件上传周期结束
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{
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if(swfu.getStats().files_queued>0)swfu.startUpload();
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else uploadAllComplete();
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}
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function uploadAllComplete()//全部文件上传成功
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{
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callback(arrMsg);
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}
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function formatBytes(bytes) {
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var s = ['Byte', 'KB', 'MB', 'GB', 'TB', 'PB'];
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var e = Math.floor(Math.log(bytes)/Math.log(1024));
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return (bytes/Math.pow(1024, Math.floor(e))).toFixed(2)+" "+s[e];
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}
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