1087 lines
40 KiB
JavaScript
1087 lines
40 KiB
JavaScript
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/*
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* MIT Licensed
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* http://www.23developer.com/opensource
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* http://github.com/23/resumable.js
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* Steffen Tiedemann Christensen, steffen@23company.com
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*/
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(function(){
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"use strict";
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var clientip="";
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var xmlversion="";
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var Resumable = function(opts){
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if ( !(this instanceof Resumable) ) {
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return new Resumable(opts);
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}
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this.version = 1.0;
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// SUPPORTED BY BROWSER?
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// Check if these features are support by the browser:
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// - File object type
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// - Blob object type
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// - FileList object type
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// - slicing files
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this.support = (
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(typeof(File)!=='undefined')
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&&
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(typeof(Blob)!=='undefined')
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&&
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(typeof(FileList)!=='undefined')
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&&
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(!!Blob.prototype.webkitSlice||!!Blob.prototype.mozSlice||!!Blob.prototype.slice||false)
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);
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if(!this.support) return(false);
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var isnowcheck ="0"
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var file_id = "";
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var rootPath = "";
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// PROPERTIES
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var $ = this;
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$.files = [];
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$.defaults = {
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chunkSize:1*1024*1024,
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forceChunkSize:false,
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simultaneousUploads:3,
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fileParameterName:'file',
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chunkNumberParameterName: 'resumableChunkNumber',
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chunkSizeParameterName: 'resumableChunkSize',
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currentChunkSizeParameterName: 'resumableCurrentChunkSize',
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totalSizeParameterName: 'resumableTotalSize',
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typeParameterName: 'resumableType',
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identifierParameterName: 'resumableIdentifier',
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fileNameParameterName: 'resumableFilename',
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relativePathParameterName: 'resumableRelativePath',
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rootPathParameterName: 'resumableRootPath',
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totalChunksParameterName: 'resumableTotalChunks',
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throttleProgressCallbacks: 0.5,
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query:{},
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headers:{},
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preprocess:null,
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method:'multipart',
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uploadMethod: 'POST',
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testMethod: 'GET',
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prioritizeFirstAndLastChunk:false,
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target:'/',
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parameterNamespace:'',
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testChunks:true,
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generateUniqueIdentifier:null,
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getTarget:null,
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maxChunkRetries:undefined,
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chunkRetryInterval:undefined,
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permanentErrors:[400, 404, 415, 500, 501],
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maxFiles:undefined,
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withCredentials:false,
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xhrTimeout:0,
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clearInput:true,
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maxFilesErrorCallback:function (files, errorCount) {
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var maxFiles = $.getOpt('maxFiles');
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alert('Please upload no more than ' + maxFiles + ' file' + (maxFiles === 1 ? '' : 's') + ' at a time.');
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},
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minFileSize:0,
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minFileSizeErrorCallback:function(file, errorCount) {
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alert(file.fileName||file.name +' is too small, please upload files larger than ' + $h.formatSize($.getOpt('minFileSize')) + '.');
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},
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maxFileSize:undefined,
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maxFileSizeErrorCallback:function(file, errorCount) {
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alert(file.fileName||file.name +' is too large, please upload files less than ' + $h.formatSize($.getOpt('maxFileSize')) + '.');
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},
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fileType: [],
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fileTypeErrorCallback: function(file, errorCount) {
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alert(file.fileName||file.name +' has type not allowed, please upload files of type ' + $.getOpt('fileType') + '.');
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}
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};
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$.opts = opts||{};
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$.getOpt = function(o) {
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var $opt = this;
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// Get multiple option if passed an array
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if(o instanceof Array) {
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var options = {};
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$h.each(o, function(option){
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options[option] = $opt.getOpt(option);
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});
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return options;
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}
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// Otherwise, just return a simple option
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if ($opt instanceof ResumableChunk) {
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if (typeof $opt.opts[o] !== 'undefined') { return $opt.opts[o]; }
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else { $opt = $opt.fileObj; }
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}
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if ($opt instanceof ResumableFile) {
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if (typeof $opt.opts[o] !== 'undefined') { return $opt.opts[o]; }
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else { $opt = $opt.resumableObj; }
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}
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if ($opt instanceof Resumable) {
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if (typeof $opt.opts[o] !== 'undefined') { return $opt.opts[o]; }
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else { return $opt.defaults[o]; }
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}
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};
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// EVENTS
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// catchAll(event, ...)
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// fileSuccess(file), fileProgress(file), fileAdded(file, event), fileRetry(file), fileError(file, message),
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// complete(), progress(), error(message, file), pause()
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$.events = [];
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$.on = function(event,callback){
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$.events.push(event.toLowerCase(), callback);
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};
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$.fire = function(){
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// `arguments` is an object, not array, in FF, so:
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var args = [];
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for (var i=0; i<arguments.length; i++) args.push(arguments[i]);
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// Find event listeners, and support pseudo-event `catchAll`
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var event = args[0].toLowerCase();
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for (var i=0; i<=$.events.length; i+=2) {
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if($.events[i]==event) $.events[i+1].apply($,args.slice(1));
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if($.events[i]=='catchall') $.events[i+1].apply(null,args);
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}
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if(event=='fileerror') $.fire('error', args[2], args[1]);
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if(event=='fileprogress') $.fire('progress');
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};
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// INTERNAL HELPER METHODS (handy, but ultimately not part of uploading)
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var $h = {
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stopEvent: function(e){
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e.stopPropagation();
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e.preventDefault();
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},
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each: function(o,callback){
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if(typeof(o.length)!=='undefined') {
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for (var i=0; i<o.length; i++) {
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// Array or FileList
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if(callback(o[i])===false) return;
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}
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} else {
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for (i in o) {
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// Object
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if(callback(i,o[i])===false) return;
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}
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}
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},
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generateUniqueIdentifier:function(file){
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var custom = $.getOpt('generateUniqueIdentifier');
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if(typeof custom === 'function') {
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return custom(file);
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}
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var relativePath = file.webkitRelativePath||file.fileName||file.name; // Some confusion in different versions of Firefox
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var size = file.size;
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return(size + '-' + relativePath.replace(/[^0-9a-zA-Z_-]/img, ''));
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},
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contains:function(array,test) {
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var result = false;
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$h.each(array, function(value) {
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if (value == test) {
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result = true;
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return false;
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}
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return true;
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});
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return result;
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},
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formatSize:function(size){
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if(size<1024) {
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return size + ' bytes';
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} else if(size<1024*1024) {
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return (size/1024.0).toFixed(0) + ' KB';
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} else if(size<1024*1024*1024) {
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return (size/1024.0/1024.0).toFixed(1) + ' MB';
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} else {
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return (size/1024.0/1024.0/1024.0).toFixed(1) + ' GB';
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}
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},
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getTarget:function(params){
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var target = $.getOpt('target');
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if(typeof target === 'function') {
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return target(params);
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}
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if(target.indexOf('?') < 0) {
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target += '?';
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} else {
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target += '&';
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}
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return target + params.join('&');
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}
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};
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var onDrop = function(event){
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$h.stopEvent(event);
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//handle dropped things as items if we can (this lets us deal with folders nicer in some cases)
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if (event.dataTransfer && event.dataTransfer.items) {
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loadFiles(event.dataTransfer.items, event);
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}
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//else handle them as files
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else if (event.dataTransfer && event.dataTransfer.files) {
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loadFiles(event.dataTransfer.files, event);
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}
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};
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var preventDefault = function(e) {
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e.preventDefault();
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};
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$.myLoadFiles = function (files, event){
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loadFiles(files, event);
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}
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// INTERNAL METHODS (both handy and responsible for the heavy load)
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/**
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* @summary This function loops over the files passed in from a drag and drop operation and gets them ready for appendFilesFromFileList
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* It attempts to use FileSystem API calls to extract files and subfolders if the dropped items include folders
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* That capability is only currently available in Chrome, but if it isn't available it will just pass the items along to
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* appendFilesFromFileList (via enqueueFileAddition to help with asynchronous processing.)
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* @param files {Array} - the File or Entry objects to be processed depending on your browser support
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* @param event {Object} - the drop event object
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* @param [queue] {Object} - an object to keep track of our progress processing the dropped items
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* @param [path] {String} - the relative path from the originally selected folder to the current files if extracting files from subfolders
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*/
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var loadFiles = function (files, event, queue, path){
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//initialize the queue object if it doesn't exist
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if (!queue) {
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queue = {
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total: 0,
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files: [],
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event: event
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};
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}
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//update the total number of things we plan to process
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updateQueueTotal(files.length, queue);
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//loop over all the passed in objects checking if they are files or folders
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for (var i = 0; i < files.length; i++) {
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var file = files[i];
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var entry, reader;
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if (file.isFile || file.isDirectory) {
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//this is an object we can handle below with no extra work needed up front
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entry = file;
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}
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else if (file.getAsEntry) {
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//get the file as an entry object if we can using the proposed HTML5 api (unlikely to get implemented by anyone)
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entry = file.getAsEntry();
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}
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else if (file.webkitGetAsEntry) {
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//get the file as an entry object if we can using the Chrome specific webkit implementation
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entry = file.webkitGetAsEntry();
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}
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else if (typeof file.getAsFile === 'function') {
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//if this is still a DataTransferItem object, get it as a file object
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enqueueFileAddition(file.getAsFile(), queue, path);
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//we just added this file object to the queue so we can go to the next object in the loop and skip the processing below
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continue;
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}
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else if (File && file instanceof File) {
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//this is already a file object so just queue it up and move on
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enqueueFileAddition(file, queue, path);
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//we just added this file object to the queue so we can go to the next object in the loop and skip the processing below
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continue;
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}
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else {
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//we can't do anything with this object, decrement the expected total and skip the processing below
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updateQueueTotal(-1, queue);
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continue;
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}
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if (!entry) {
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//there isn't anything we can do with this so decrement the total expected
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updateQueueTotal(-1, queue);
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}
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else if (entry.isFile) {
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//this is handling to read an entry object representing a file, parsing the file object is asynchronous which is why we need the queue
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//currently entry objects will only exist in this flow for Chrome
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entry.file(function(file) {
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enqueueFileAddition(file, queue, path);
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}, function(err) {
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console.warn(err);
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});
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}
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else if (entry.isDirectory) {
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//this is handling to read an entry object representing a folder, parsing the directory object is asynchronous which is why we need the queue
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//currently entry objects will only exist in this flow for Chrome
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reader = entry.createReader();
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var newEntries = [];
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//wrap the callback in another function so we can store the path in a closure
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var readDir = function(path){
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reader.readEntries(
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//success callback: read entries out of the directory
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function(entries){
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if (entries.length>0){
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//add these results to the array of all the new stuff
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for (var i=0; i<entries.length; i++) { newEntries.push(entries[i]); }
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//call this function again as all the results may not have been sent yet
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readDir(entry.fullPath);
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}
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else {
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//we have now gotten all the results in newEntries so let's process them recursively
|
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loadFiles(newEntries, event, queue, path);
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//this was a directory rather than a file so decrement the expected file count
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updateQueueTotal(-1, queue);
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}
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},
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//error callback, most often hit if there is a directory with nothing inside it
|
|||
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function(err) {
|
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//this was a directory rather than a file so decrement the expected file count
|
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updateQueueTotal(-1, queue);
|
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console.warn(err);
|
|||
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}
|
|||
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);
|
|||
|
};
|
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readDir(entry.fullPath);
|
|||
|
}
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
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/**
|
|||
|
* @summary Adjust the total number of files we are expecting to process
|
|||
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* if decrementing and the new expected total is equal to the number processed, flush the queue
|
|||
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* @param addition {Number} - the number of additional files we expect to process (may be negative)
|
|||
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* @param queue {Object} - an object to keep track of our progress processing the dropped items
|
|||
|
*/
|
|||
|
var updateQueueTotal = function(addition, queue){
|
|||
|
queue.total += addition;
|
|||
|
|
|||
|
// If all the files we expect have shown up, then flush the queue.
|
|||
|
if (queue.files.length === queue.total) {
|
|||
|
appendFilesFromFileList(queue.files, queue.event);
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* @summary Add a file to the queue of processed files, if it brings the total up to the expected total, flush the queue
|
|||
|
* @param file {Object} - File object to be passed along to appendFilesFromFileList eventually
|
|||
|
* @param queue {Object} - an object to keep track of our progress processing the dropped items
|
|||
|
* @param [path] {String} - the file's relative path from the originally dropped folder if we are parsing folder content (Chrome only for now)
|
|||
|
*/
|
|||
|
var enqueueFileAddition = function(file, queue, path) {
|
|||
|
//store the path to this file if it came in as part of a folder
|
|||
|
if (path) file.relativePath = path + '/' + file.name;
|
|||
|
queue.files.push(file);
|
|||
|
|
|||
|
// If all the files we expect have shown up, then flush the queue.
|
|||
|
if (queue.files.length === queue.total) {
|
|||
|
appendFilesFromFileList(queue.files, queue.event);
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
|
var appendFilesFromFileList = function(fileList, event){
|
|||
|
// check for uploading too many files
|
|||
|
var errorCount = 0;
|
|||
|
var o = $.getOpt(['maxFiles', 'minFileSize', 'maxFileSize', 'maxFilesErrorCallback', 'minFileSizeErrorCallback', 'maxFileSizeErrorCallback', 'fileType', 'fileTypeErrorCallback']);
|
|||
|
if (typeof(o.maxFiles)!=='undefined' && o.maxFiles<(fileList.length+$.files.length)) {
|
|||
|
// if single-file upload, file is already added, and trying to add 1 new file, simply replace the already-added file
|
|||
|
if (o.maxFiles===1 && $.files.length===1 && fileList.length===1) {
|
|||
|
$.removeFile($.files[0]);
|
|||
|
} else {
|
|||
|
o.maxFilesErrorCallback(fileList, errorCount++);
|
|||
|
return false;
|
|||
|
}
|
|||
|
}
|
|||
|
var files = [];
|
|||
|
$h.each(fileList, function(file){
|
|||
|
var fileName = file.name;
|
|||
|
if(o.fileType.length > 0){
|
|||
|
var fileTypeFound = false;
|
|||
|
for(var index in o.fileType){
|
|||
|
var extension = '.' + o.fileType[index];
|
|||
|
if(fileName.indexOf(extension, fileName.length - extension.length) !== -1){
|
|||
|
fileTypeFound = true;
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
if (!fileTypeFound) {
|
|||
|
o.fileTypeErrorCallback(file, errorCount++);
|
|||
|
return false;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if (typeof(o.minFileSize)!=='undefined' && file.size<o.minFileSize) {
|
|||
|
o.minFileSizeErrorCallback(file, errorCount++);
|
|||
|
return false;
|
|||
|
}
|
|||
|
if (typeof(o.maxFileSize)!=='undefined' && file.size>o.maxFileSize) {
|
|||
|
o.maxFileSizeErrorCallback(file, errorCount++);
|
|||
|
return false;
|
|||
|
}
|
|||
|
|
|||
|
function addFile(uniqueIdentifier){
|
|||
|
if (!$.getFromUniqueIdentifier(uniqueIdentifier)) {(function(){
|
|||
|
file.uniqueIdentifier = uniqueIdentifier;
|
|||
|
var f = new ResumableFile($, file, uniqueIdentifier);
|
|||
|
$.files.push(f);
|
|||
|
files.push(f);
|
|||
|
f.container = (typeof event != 'undefined' ? event.srcElement : null);
|
|||
|
window.setTimeout(function(){
|
|||
|
$.fire('fileAdded', f, event)
|
|||
|
},0);
|
|||
|
})()};
|
|||
|
}
|
|||
|
// directories have size == 0
|
|||
|
var uniqueIdentifier = $h.generateUniqueIdentifier(file)
|
|||
|
if(uniqueIdentifier && typeof uniqueIdentifier.done === 'function' && typeof uniqueIdentifier.fail === 'function'){
|
|||
|
uniqueIdentifier
|
|||
|
.done(function(uniqueIdentifier){
|
|||
|
addFile(uniqueIdentifier);
|
|||
|
})
|
|||
|
.fail(function(){
|
|||
|
addFile();
|
|||
|
});
|
|||
|
}else{
|
|||
|
addFile(uniqueIdentifier);
|
|||
|
}
|
|||
|
|
|||
|
});
|
|||
|
window.setTimeout(function(){
|
|||
|
$.fire('filesAdded', files)
|
|||
|
},0);
|
|||
|
};
|
|||
|
|
|||
|
// INTERNAL OBJECT TYPES
|
|||
|
function ResumableFile(resumableObj, file, uniqueIdentifier){
|
|||
|
var $ = this;
|
|||
|
$.opts = {};
|
|||
|
$.getOpt = resumableObj.getOpt;
|
|||
|
$._prevProgress = 0;
|
|||
|
$.resumableObj = resumableObj;
|
|||
|
$.file = file;
|
|||
|
$.fileName = file.fileName||file.name; // Some confusion in different versions of Firefox
|
|||
|
$.size = file.size;
|
|||
|
$.relativePath = file.webkitRelativePath || file.relativePath || $.fileName;
|
|||
|
$.uniqueIdentifier = uniqueIdentifier;
|
|||
|
$._pause = false;
|
|||
|
$.container = '';
|
|||
|
var _error = uniqueIdentifier !== undefined;
|
|||
|
|
|||
|
// Callback when something happens within the chunk
|
|||
|
var chunkEvent = function(event, message){
|
|||
|
// event can be 'progress', 'success', 'error' or 'retry'
|
|||
|
switch(event){
|
|||
|
case 'progress':
|
|||
|
$.resumableObj.fire('fileProgress', $);
|
|||
|
break;
|
|||
|
case 'error':
|
|||
|
$.abort();
|
|||
|
_error = true;
|
|||
|
$.chunks = [];
|
|||
|
$.resumableObj.fire('fileError', $, message);
|
|||
|
break;
|
|||
|
case 'success':
|
|||
|
if(_error) return;
|
|||
|
$.resumableObj.fire('fileProgress', $); // it's at least progress
|
|||
|
if($.isComplete()) {
|
|||
|
$.resumableObj.fire('fileSuccess', $, message);
|
|||
|
}
|
|||
|
break;
|
|||
|
case 'retry':
|
|||
|
$.resumableObj.fire('fileRetry', $);
|
|||
|
break;
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
|
// Main code to set up a file object with chunks,
|
|||
|
// packaged to be able to handle retries if needed.
|
|||
|
$.chunks = [];
|
|||
|
$.abort = function(){
|
|||
|
// Stop current uploads
|
|||
|
var abortCount = 0;
|
|||
|
$h.each($.chunks, function(c){
|
|||
|
if(c.status()=='uploading') {
|
|||
|
c.abort();
|
|||
|
abortCount++;
|
|||
|
}
|
|||
|
});
|
|||
|
if(abortCount>0) $.resumableObj.fire('fileProgress', $);
|
|||
|
};
|
|||
|
$.cancel = function(){
|
|||
|
// Reset this file to be void
|
|||
|
var _chunks = $.chunks;
|
|||
|
$.chunks = [];
|
|||
|
// Stop current uploads
|
|||
|
$h.each(_chunks, function(c){
|
|||
|
if(c.status()=='uploading') {
|
|||
|
c.abort();
|
|||
|
$.resumableObj.uploadNextChunk();
|
|||
|
}
|
|||
|
});
|
|||
|
$.resumableObj.removeFile($);
|
|||
|
$.resumableObj.fire('fileProgress', $);
|
|||
|
};
|
|||
|
$.retry = function(){
|
|||
|
$.bootstrap();
|
|||
|
var firedRetry = false;
|
|||
|
$.resumableObj.on('chunkingComplete', function(){
|
|||
|
if(!firedRetry) $.resumableObj.upload();
|
|||
|
firedRetry = true;
|
|||
|
});
|
|||
|
};
|
|||
|
$.bootstrap = function(){
|
|||
|
$.abort();
|
|||
|
_error = false;
|
|||
|
// Rebuild stack of chunks from file
|
|||
|
$.chunks = [];
|
|||
|
$._prevProgress = 0;
|
|||
|
var round = $.getOpt('forceChunkSize') ? Math.ceil : Math.floor;
|
|||
|
var maxOffset = Math.max(round($.file.size/$.getOpt('chunkSize')),1);
|
|||
|
for (var offset=0; offset<maxOffset; offset++) {(function(offset){
|
|||
|
window.setTimeout(function(){
|
|||
|
$.chunks.push(new ResumableChunk($.resumableObj, $, offset, chunkEvent));
|
|||
|
$.resumableObj.fire('chunkingProgress',$,offset/maxOffset);
|
|||
|
},0);
|
|||
|
})(offset)}
|
|||
|
window.setTimeout(function(){
|
|||
|
$.resumableObj.fire('chunkingComplete',$);
|
|||
|
},0);
|
|||
|
};
|
|||
|
$.progress = function(){
|
|||
|
if(_error) return(1);
|
|||
|
// Sum up progress across everything
|
|||
|
var ret = 0;
|
|||
|
var error = false;
|
|||
|
$h.each($.chunks, function(c){
|
|||
|
if(c.status()=='error') error = true;
|
|||
|
ret += c.progress(true); // get chunk progress relative to entire file
|
|||
|
});
|
|||
|
ret = (error ? 1 : (ret>0.99999 ? 1 : ret));
|
|||
|
ret = Math.max($._prevProgress, ret); // We don't want to lose percentages when an upload is paused
|
|||
|
if(isNaN(ret)){
|
|||
|
ret = $._prevProgress;
|
|||
|
}
|
|||
|
else{
|
|||
|
$._prevProgress = ret;
|
|||
|
}
|
|||
|
return(ret);
|
|||
|
};
|
|||
|
$.isUploading = function(){
|
|||
|
var uploading = false;
|
|||
|
$h.each($.chunks, function(chunk){
|
|||
|
if(chunk.status()=='uploading') {
|
|||
|
uploading = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
return(uploading);
|
|||
|
};
|
|||
|
$.isComplete = function(){
|
|||
|
var outstanding = false;
|
|||
|
$h.each($.chunks, function(chunk){
|
|||
|
var status = chunk.status();
|
|||
|
if(status=='pending' || status=='uploading' || chunk.preprocessState === 1) {
|
|||
|
outstanding = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
return(!outstanding);
|
|||
|
};
|
|||
|
$.pause = function(pause){
|
|||
|
if(typeof(pause)==='undefined'){
|
|||
|
$._pause = ($._pause ? false : true);
|
|||
|
}else{
|
|||
|
$._pause = pause;
|
|||
|
}
|
|||
|
};
|
|||
|
$.isPaused = function() {
|
|||
|
return $._pause;
|
|||
|
};
|
|||
|
|
|||
|
|
|||
|
// Bootstrap and return
|
|||
|
$.resumableObj.fire('chunkingStart', $);
|
|||
|
$.bootstrap();
|
|||
|
return(this);
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
function ResumableChunk(resumableObj, fileObj, offset, callback){
|
|||
|
var $ = this;
|
|||
|
$.opts = {};
|
|||
|
$.getOpt = resumableObj.getOpt;
|
|||
|
$.resumableObj = resumableObj;
|
|||
|
$.fileObj = fileObj;
|
|||
|
$.fileObjSize = fileObj.size;
|
|||
|
$.fileObjType = fileObj.file.type;
|
|||
|
$.offset = offset;
|
|||
|
$.callback = callback;
|
|||
|
$.lastProgressCallback = (new Date);
|
|||
|
$.tested = false;
|
|||
|
$.retries = 0;
|
|||
|
$.pendingRetry = false;
|
|||
|
$.preprocessState = 0; // 0 = unprocessed, 1 = processing, 2 = finished
|
|||
|
|
|||
|
// Computed properties
|
|||
|
var chunkSize = $.getOpt('chunkSize');
|
|||
|
$.loaded = 0;
|
|||
|
$.startByte = $.offset*chunkSize;
|
|||
|
$.endByte = Math.min($.fileObjSize, ($.offset+1)*chunkSize);
|
|||
|
if ($.fileObjSize-$.endByte < chunkSize && !$.getOpt('forceChunkSize')) {
|
|||
|
// The last chunk will be bigger than the chunk size, but less than 2*chunkSize
|
|||
|
$.endByte = $.fileObjSize;
|
|||
|
}
|
|||
|
$.xhr = null;
|
|||
|
|
|||
|
// test() makes a GET request without any data to see if the chunk has already been uploaded in a previous session
|
|||
|
$.test = function(){
|
|||
|
// Set up request and listen for event
|
|||
|
$.xhr = new XMLHttpRequest();
|
|||
|
|
|||
|
var testHandler = function(e){
|
|||
|
$.tested = true;
|
|||
|
var status = $.status();
|
|||
|
if(status=='success') {
|
|||
|
$.callback(status, $.message());
|
|||
|
$.resumableObj.uploadNextChunk();
|
|||
|
} else {
|
|||
|
$.send();
|
|||
|
}
|
|||
|
};
|
|||
|
$.xhr.addEventListener('load', testHandler, false);
|
|||
|
$.xhr.addEventListener('error', testHandler, false);
|
|||
|
$.xhr.addEventListener('timeout', testHandler, false);
|
|||
|
|
|||
|
// Add data from the query options
|
|||
|
var params = [];
|
|||
|
var parameterNamespace = $.getOpt('parameterNamespace');
|
|||
|
var customQuery = $.getOpt('query');
|
|||
|
if(typeof customQuery == 'function') customQuery = customQuery($.fileObj, $);
|
|||
|
$h.each(customQuery, function(k,v){
|
|||
|
params.push([encodeURIComponent(parameterNamespace+k), encodeURIComponent(v)].join('='));
|
|||
|
});
|
|||
|
// Add extra data to identify chunk
|
|||
|
params.push([parameterNamespace + $.getOpt('chunkNumberParameterName'), encodeURIComponent($.offset + 1)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('chunkSizeParameterName'), encodeURIComponent($.getOpt('chunkSize'))].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('currentChunkSizeParameterName'), encodeURIComponent($.endByte - $.startByte)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('totalSizeParameterName'), encodeURIComponent($.fileObjSize)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('typeParameterName'), encodeURIComponent($.fileObjType)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('identifierParameterName'), encodeURIComponent($.fileObj.uniqueIdentifier)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('fileNameParameterName'), encodeURIComponent($.fileObj.fileName+"("+clientip+$.fileObj.uniqueIdentifier+")")].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('relativePathParameterName'), encodeURIComponent($.fileObj.relativePath)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('rootPathParameterName'), encodeURIComponent(rootPath)].join('='));
|
|||
|
params.push([parameterNamespace + $.getOpt('totalChunksParameterName'), encodeURIComponent($.fileObj.chunks.length)].join('='));
|
|||
|
// Append the relevant chunk and send it
|
|||
|
$.xhr.open($.getOpt('testMethod'), $h.getTarget(params));
|
|||
|
$.xhr.timeout = $.getOpt('xhrTimeout');
|
|||
|
$.xhr.withCredentials = $.getOpt('withCredentials');
|
|||
|
// Add data from header options
|
|||
|
var customHeaders = $.getOpt('headers');
|
|||
|
if(typeof customHeaders === 'function') {
|
|||
|
customHeaders = customHeaders($.fileObj, $);
|
|||
|
}
|
|||
|
$h.each(customHeaders, function(k,v) {
|
|||
|
$.xhr.setRequestHeader(k, v);
|
|||
|
});
|
|||
|
$.xhr.send(null);
|
|||
|
};
|
|||
|
|
|||
|
$.preprocessFinished = function(){
|
|||
|
$.preprocessState = 2;
|
|||
|
$.send();
|
|||
|
};
|
|||
|
|
|||
|
// send() uploads the actual data in a POST call
|
|||
|
$.send = function(){
|
|||
|
var preprocess = $.getOpt('preprocess');
|
|||
|
if(typeof preprocess === 'function') {
|
|||
|
switch($.preprocessState) {
|
|||
|
case 0: $.preprocessState = 1; preprocess($); return;
|
|||
|
case 1: return;
|
|||
|
case 2: break;
|
|||
|
}
|
|||
|
}
|
|||
|
if($.getOpt('testChunks') && !$.tested) {
|
|||
|
$.test();
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
// Set up request and listen for event
|
|||
|
$.xhr = new XMLHttpRequest();
|
|||
|
|
|||
|
// Progress
|
|||
|
$.xhr.upload.addEventListener('progress', function(e){
|
|||
|
if( (new Date) - $.lastProgressCallback > $.getOpt('throttleProgressCallbacks') * 1000 ) {
|
|||
|
$.callback('progress');
|
|||
|
$.lastProgressCallback = (new Date);
|
|||
|
}
|
|||
|
$.loaded=e.loaded||0;
|
|||
|
}, false);
|
|||
|
$.loaded = 0;
|
|||
|
$.pendingRetry = false;
|
|||
|
$.callback('progress');
|
|||
|
|
|||
|
// Done (either done, failed or retry)
|
|||
|
var doneHandler = function(e){
|
|||
|
var status = $.status();
|
|||
|
if(status=='success'||status=='error') {
|
|||
|
$.callback(status, $.message());
|
|||
|
$.resumableObj.uploadNextChunk();
|
|||
|
} else {
|
|||
|
$.callback('retry', $.message());
|
|||
|
$.abort();
|
|||
|
$.retries++;
|
|||
|
var retryInterval = $.getOpt('chunkRetryInterval');
|
|||
|
if(retryInterval !== undefined) {
|
|||
|
$.pendingRetry = true;
|
|||
|
setTimeout($.send, retryInterval);
|
|||
|
} else {
|
|||
|
$.send();
|
|||
|
}
|
|||
|
}
|
|||
|
};
|
|||
|
$.xhr.addEventListener('load', doneHandler, false);
|
|||
|
$.xhr.addEventListener('error', doneHandler, false);
|
|||
|
$.xhr.addEventListener('timeout', doneHandler, false);
|
|||
|
|
|||
|
// Set up the basic query data from Resumable
|
|||
|
var query = {};
|
|||
|
query[$.getOpt('chunkNumberParameterName')] = $.offset + 1;
|
|||
|
query[$.getOpt('chunkSizeParameterName')] = $.getOpt('chunkSize');
|
|||
|
query[$.getOpt('currentChunkSizeParameterName')] = $.endByte - $.startByte;
|
|||
|
query[$.getOpt('totalSizeParameterName')] = $.fileObjSize;
|
|||
|
query[$.getOpt('typeParameterName')] = $.fileObjType;
|
|||
|
query[$.getOpt('identifierParameterName')] = $.fileObj.uniqueIdentifier;
|
|||
|
query[$.getOpt('fileNameParameterName')] = $.fileObj.fileName+"("+clientip+$.fileObj.uniqueIdentifier+")";
|
|||
|
query[$.getOpt('relativePathParameterName')] = $.fileObj.relativePath;
|
|||
|
query[$.getOpt('rootPathParameterName')] = rootPath;
|
|||
|
query[$.getOpt('totalChunksParameterName')] = $.fileObj.chunks.length;
|
|||
|
// Mix in custom data
|
|||
|
var customQuery = $.getOpt('query');
|
|||
|
if(typeof customQuery == 'function') customQuery = customQuery($.fileObj, $);
|
|||
|
$h.each(customQuery, function(k,v){
|
|||
|
query[k] = v;
|
|||
|
});
|
|||
|
|
|||
|
var func = ($.fileObj.file.slice ? 'slice' : ($.fileObj.file.mozSlice ? 'mozSlice' : ($.fileObj.file.webkitSlice ? 'webkitSlice' : 'slice'))),
|
|||
|
bytes = $.fileObj.file[func]($.startByte,$.endByte),
|
|||
|
data = null,
|
|||
|
target = $.getOpt('target');
|
|||
|
|
|||
|
var parameterNamespace = $.getOpt('parameterNamespace');
|
|||
|
if ($.getOpt('method') === 'octet') {
|
|||
|
// Add data from the query options
|
|||
|
data = bytes;
|
|||
|
var params = [];
|
|||
|
$h.each(query, function(k,v){
|
|||
|
params.push([encodeURIComponent(parameterNamespace+k), encodeURIComponent(v)].join('='));
|
|||
|
});
|
|||
|
target = $h.getTarget(params);
|
|||
|
} else {
|
|||
|
// Add data from the query options
|
|||
|
data = new FormData();
|
|||
|
$h.each(query, function(k,v){
|
|||
|
data.append(parameterNamespace+k,v);
|
|||
|
});
|
|||
|
data.append(parameterNamespace+$.getOpt('fileParameterName'), bytes);
|
|||
|
}
|
|||
|
|
|||
|
var method = $.getOpt('uploadMethod');
|
|||
|
$.xhr.open(method, target);
|
|||
|
if ($.getOpt('method') === 'octet') {
|
|||
|
$.xhr.setRequestHeader('Content-Type', 'binary/octet-stream');
|
|||
|
}
|
|||
|
$.xhr.timeout = $.getOpt('xhrTimeout');
|
|||
|
$.xhr.withCredentials = $.getOpt('withCredentials');
|
|||
|
// Add data from header options
|
|||
|
var customHeaders = $.getOpt('headers');
|
|||
|
if(typeof customHeaders === 'function') {
|
|||
|
customHeaders = customHeaders($.fileObj, $);
|
|||
|
}
|
|||
|
$h.each(customHeaders, function(k,v) {
|
|||
|
$.xhr.setRequestHeader(k, v);
|
|||
|
});
|
|||
|
$.xhr.send(data);
|
|||
|
};
|
|||
|
$.abort = function(){
|
|||
|
// Abort and reset
|
|||
|
if($.xhr) $.xhr.abort();
|
|||
|
$.xhr = null;
|
|||
|
};
|
|||
|
$.status = function(){
|
|||
|
// Returns: 'pending', 'uploading', 'success', 'error'
|
|||
|
if($.pendingRetry) {
|
|||
|
// if pending retry then that's effectively the same as actively uploading,
|
|||
|
// there might just be a slight delay before the retry starts
|
|||
|
return('uploading');
|
|||
|
} else if(!$.xhr) {
|
|||
|
return('pending');
|
|||
|
} else if($.xhr.readyState<4) {
|
|||
|
// Status is really 'OPENED', 'HEADERS_RECEIVED' or 'LOADING' - meaning that stuff is happening
|
|||
|
return('uploading');
|
|||
|
} else {
|
|||
|
if($.xhr.status == 200 || $.xhr.status == 201) {
|
|||
|
// HTTP 200, 201 (created)
|
|||
|
return('success');
|
|||
|
} else if($h.contains($.getOpt('permanentErrors'), $.xhr.status) || $.retries >= $.getOpt('maxChunkRetries')) {
|
|||
|
// HTTP 415/500/501, permanent error
|
|||
|
return('error');
|
|||
|
} else {
|
|||
|
// this should never happen, but we'll reset and queue a retry
|
|||
|
// a likely case for this would be 503 service unavailable
|
|||
|
$.abort();
|
|||
|
return('pending');
|
|||
|
}
|
|||
|
}
|
|||
|
};
|
|||
|
$.message = function(){
|
|||
|
return($.xhr ? $.xhr.responseText : '');
|
|||
|
};
|
|||
|
$.progress = function(relative){
|
|||
|
if(typeof(relative)==='undefined') relative = false;
|
|||
|
var factor = (relative ? ($.endByte-$.startByte)/$.fileObjSize : 1);
|
|||
|
if($.pendingRetry) return(0);
|
|||
|
if(!$.xhr || !$.xhr.status) factor*=.95;
|
|||
|
var s = $.status();
|
|||
|
switch(s){
|
|||
|
case 'success':
|
|||
|
case 'error':
|
|||
|
return(1*factor);
|
|||
|
case 'pending':
|
|||
|
return(0*factor);
|
|||
|
default:
|
|||
|
return($.loaded/($.endByte-$.startByte)*factor);
|
|||
|
}
|
|||
|
};
|
|||
|
return(this);
|
|||
|
}
|
|||
|
|
|||
|
// QUEUE
|
|||
|
$.uploadNextChunk = function(){
|
|||
|
var found = false;
|
|||
|
|
|||
|
// In some cases (such as videos) it's really handy to upload the first
|
|||
|
// and last chunk of a file quickly; this let's the server check the file's
|
|||
|
// metadata and determine if there's even a point in continuing.
|
|||
|
if ($.getOpt('prioritizeFirstAndLastChunk')) {
|
|||
|
$h.each($.files, function(file){
|
|||
|
if(file.chunks.length && file.chunks[0].status()=='pending' && file.chunks[0].preprocessState === 0) {
|
|||
|
file.chunks[0].send();
|
|||
|
found = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
if(file.chunks.length>1 && file.chunks[file.chunks.length-1].status()=='pending' && file.chunks[file.chunks.length-1].preprocessState === 0) {
|
|||
|
file.chunks[file.chunks.length-1].send();
|
|||
|
found = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
if(found) return(true);
|
|||
|
}
|
|||
|
|
|||
|
// Now, simply look for the next, best thing to upload
|
|||
|
$h.each($.files, function(file){
|
|||
|
if(file.isPaused()===false){
|
|||
|
$h.each(file.chunks, function(chunk){
|
|||
|
if(chunk.status()=='pending' && chunk.preprocessState === 0) {
|
|||
|
chunk.send();
|
|||
|
found = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
}
|
|||
|
if(found) return(false);
|
|||
|
});
|
|||
|
if(found) return(true);
|
|||
|
|
|||
|
// The are no more outstanding chunks to upload, check is everything is done
|
|||
|
var outstanding = false;
|
|||
|
$h.each($.files, function(file){
|
|||
|
if(!file.isComplete()) {
|
|||
|
outstanding = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
if(!outstanding) {
|
|||
|
// All chunks have been uploaded, complete
|
|||
|
$.fire('complete');
|
|||
|
}
|
|||
|
return(false);
|
|||
|
};
|
|||
|
|
|||
|
|
|||
|
// PUBLIC METHODS FOR RESUMABLE.JS
|
|||
|
$.assignBrowse = function(domNodes, isDirectory){
|
|||
|
if(typeof(domNodes.length)=='undefined') domNodes = [domNodes];
|
|||
|
|
|||
|
$h.each(domNodes, function(domNode) {
|
|||
|
var input;
|
|||
|
if(domNode.tagName==='INPUT' && domNode.type==='file'){
|
|||
|
input = domNode;
|
|||
|
} else {
|
|||
|
input = document.createElement('input');
|
|||
|
input.setAttribute('type', 'file');
|
|||
|
input.style.display = 'none';
|
|||
|
domNode.addEventListener('click', function(){
|
|||
|
input.style.opacity = 0;
|
|||
|
input.style.display='block';
|
|||
|
input.focus();
|
|||
|
input.click();
|
|||
|
input.style.display='none';
|
|||
|
}, false);
|
|||
|
domNode.appendChild(input);
|
|||
|
}
|
|||
|
var maxFiles = $.getOpt('maxFiles');
|
|||
|
if (typeof(maxFiles)==='undefined'||maxFiles!=1){
|
|||
|
input.setAttribute('multiple', 'multiple');
|
|||
|
} else {
|
|||
|
input.removeAttribute('multiple');
|
|||
|
}
|
|||
|
if(isDirectory){
|
|||
|
input.setAttribute('webkitdirectory', 'webkitdirectory');
|
|||
|
} else {
|
|||
|
input.removeAttribute('webkitdirectory');
|
|||
|
}
|
|||
|
// When new files are added, simply append them to the overall list
|
|||
|
input.addEventListener('change', function(e){
|
|||
|
appendFilesFromFileList(e.target.files,e);
|
|||
|
var clearInput = $.getOpt('clearInput');
|
|||
|
if (clearInput) {
|
|||
|
e.target.value = '';
|
|||
|
}
|
|||
|
}, false);
|
|||
|
});
|
|||
|
};
|
|||
|
$.assignDrop = function(domNodes){
|
|||
|
if(typeof(domNodes.length)=='undefined') domNodes = [domNodes];
|
|||
|
|
|||
|
$h.each(domNodes, function(domNode) {
|
|||
|
domNode.addEventListener('dragover', preventDefault, false);
|
|||
|
domNode.addEventListener('dragenter', preventDefault, false);
|
|||
|
domNode.addEventListener('drop', onDrop, false);
|
|||
|
});
|
|||
|
};
|
|||
|
$.unAssignDrop = function(domNodes) {
|
|||
|
if (typeof(domNodes.length) == 'undefined') domNodes = [domNodes];
|
|||
|
|
|||
|
$h.each(domNodes, function(domNode) {
|
|||
|
domNode.removeEventListener('dragover', preventDefault);
|
|||
|
domNode.removeEventListener('dragenter', preventDefault);
|
|||
|
domNode.removeEventListener('drop', onDrop);
|
|||
|
});
|
|||
|
};
|
|||
|
$.isUploading = function(){
|
|||
|
var uploading = false;
|
|||
|
$h.each($.files, function(file){
|
|||
|
if (file.isUploading()) {
|
|||
|
uploading = true;
|
|||
|
return(false);
|
|||
|
}
|
|||
|
});
|
|||
|
return(uploading);
|
|||
|
};
|
|||
|
$.upload = function(){
|
|||
|
// Make sure we don't start too many uploads at once
|
|||
|
if($.isUploading()) return;
|
|||
|
// Kick off the queue
|
|||
|
$.fire('uploadStart');
|
|||
|
for (var num=1; num<=$.getOpt('simultaneousUploads'); num++) {
|
|||
|
$.uploadNextChunk();
|
|||
|
}
|
|||
|
};
|
|||
|
$.pause = function(){
|
|||
|
// Resume all chunks currently being uploaded
|
|||
|
$h.each($.files, function(file){
|
|||
|
file.abort();
|
|||
|
});
|
|||
|
$.fire('pause');
|
|||
|
};
|
|||
|
$.cancel = function(){
|
|||
|
$.fire('beforeCancel');
|
|||
|
for(var i = $.files.length - 1; i >= 0; i--) {
|
|||
|
$.files[i].cancel();
|
|||
|
}
|
|||
|
$.fire('cancel');
|
|||
|
};
|
|||
|
$.progress = function(){
|
|||
|
var totalDone = 0;
|
|||
|
var totalSize = 0;
|
|||
|
// Resume all chunks currently being uploaded
|
|||
|
$h.each($.files, function(file){
|
|||
|
totalDone += file.progress()*file.size;
|
|||
|
totalSize += file.size;
|
|||
|
});
|
|||
|
return(totalSize>0 ? totalDone/totalSize : 0);
|
|||
|
};
|
|||
|
$.addFile = function(file, event){
|
|||
|
appendFilesFromFileList([file], event);
|
|||
|
};
|
|||
|
$.removeFile = function(file){
|
|||
|
for(var i = $.files.length - 1; i >= 0; i--) {
|
|||
|
if($.files[i] === file) {
|
|||
|
$.files.splice(i, 1);
|
|||
|
}
|
|||
|
}
|
|||
|
};
|
|||
|
$.getFromUniqueIdentifier = function(uniqueIdentifier){
|
|||
|
var ret = false;
|
|||
|
$h.each($.files, function(f){
|
|||
|
if(f.uniqueIdentifier==uniqueIdentifier) ret = f;
|
|||
|
});
|
|||
|
return(ret);
|
|||
|
};
|
|||
|
$.getSize = function(){
|
|||
|
var totalSize = 0;
|
|||
|
$h.each($.files, function(file){
|
|||
|
totalSize += file.size;
|
|||
|
});
|
|||
|
return(totalSize);
|
|||
|
};
|
|||
|
$.handleDropEvent = function (e) {
|
|||
|
onDrop(e);
|
|||
|
};
|
|||
|
$.handleChangeEvent = function (e) {
|
|||
|
appendFilesFromFileList(e.target.files, e);
|
|||
|
e.target.value = '';
|
|||
|
};
|
|||
|
$.setRootPath = function (path) {
|
|||
|
rootPath = path;
|
|||
|
}
|
|||
|
$.getrootPath = function () {
|
|||
|
return rootPath;
|
|||
|
}
|
|||
|
$.setFileId = function (id) {
|
|||
|
file_id = id;
|
|||
|
}
|
|||
|
$.getFileId = function () {
|
|||
|
return file_id;
|
|||
|
}
|
|||
|
$.setisnowcheck = function (id) {
|
|||
|
isnowcheck = id;
|
|||
|
}
|
|||
|
$.getisnowcheck = function () {
|
|||
|
return isnowcheck;
|
|||
|
}
|
|||
|
|
|||
|
$.setip = function (ip) {
|
|||
|
clientip = ip;
|
|||
|
console.log(clientip);
|
|||
|
};
|
|||
|
|
|||
|
$.setxmlversion = function (data) {
|
|||
|
xmlversion = data;
|
|||
|
}
|
|||
|
$.getxmlversion = function () {
|
|||
|
return xmlversion;
|
|||
|
}
|
|||
|
$.mkRetfileUploadSucceed = function() {
|
|||
|
$.fire('fileuploadendsucceed', $);
|
|||
|
}
|
|||
|
|
|||
|
return(this);
|
|||
|
};
|
|||
|
|
|||
|
|
|||
|
// Node.js-style export for Node and Component
|
|||
|
if (typeof module != 'undefined') {
|
|||
|
module.exports = Resumable;
|
|||
|
} else if (typeof define === "function" && define.amd) {
|
|||
|
// AMD/requirejs: Define the module
|
|||
|
define(function(){
|
|||
|
return Resumable;
|
|||
|
});
|
|||
|
} else {
|
|||
|
// Browser: Expose to window
|
|||
|
window.Resumable = Resumable;
|
|||
|
}
|
|||
|
|
|||
|
})();
|