X-Git-Url: https://svn.cri.ensmp.fr/git/Portfolio.git/blobdiff_plain/8718d5e7245d0d80356e915c7d1b0f7f97b33ddf..edfd67539f00f7719ddd0cc146d61bc49895e1d5:/skins/fileupload.js diff --git a/skins/fileupload.js b/skins/fileupload.js index 8f6eeda..497e30a 100644 --- a/skins/fileupload.js +++ b/skins/fileupload.js @@ -1,19 +1,13 @@ // © 2013 Benoît Pin MINES ParisTech -var DDFileUploader; +var DDFileUploaderBase; (function(){ // nombre maximun d'image chargées en local var MAX_PREVIEW = 2; -DDFileUploader = function(dropbox, uploadUrl) { +DDFileUploaderBase = function(dropbox, uploadUrl) { this.dropbox = dropbox; this.uploadUrl = uploadUrl; - this.slideSize = 222; - this.progressBarMaxSize = 200; // pixels - this.thumbnailSize = 180; - this.previewQueue = []; - this._previewQueueRunning = false; - this.previewsLoaded = 0; this.uploadQueue = []; this._uploadQueueRunning = false; var self = this; @@ -23,12 +17,12 @@ DDFileUploader = function(dropbox, uploadUrl) { }; // Drag and drop -DDFileUploader.prototype.dragenter = function(evt) { +DDFileUploaderBase.prototype.dragenter = function(evt) { disableDefault(evt); disablePropagation(evt); }; -DDFileUploader.prototype.dragover = function(evt) { +DDFileUploaderBase.prototype.dragover = function(evt) { disableDefault(evt); disablePropagation(evt); evt = getEventObject(evt); @@ -36,7 +30,7 @@ DDFileUploader.prototype.dragover = function(evt) { dt.dropEffect = 'copy'; }; -DDFileUploader.prototype.drop = function(evt) { +DDFileUploaderBase.prototype.drop = function(evt) { disableDefault(evt); disablePropagation(evt); getEventObject(evt); @@ -46,7 +40,7 @@ DDFileUploader.prototype.drop = function(evt) { }; // Methods about upload -DDFileUploader.prototype.handleFiles = function(files) { +DDFileUploaderBase.prototype.handleFiles = function(files) { var file, i, slide; for (i = 0; i < files.length; i++) { file = files[i]; @@ -56,7 +50,7 @@ DDFileUploader.prototype.handleFiles = function(files) { } }; -DDFileUploader.prototype.upload = function(slide) { +DDFileUploaderBase.prototype.upload = function(slide) { var reader = new FileReader(); var req = new XMLHttpRequest(); var file = slide.file; @@ -86,23 +80,39 @@ DDFileUploader.prototype.upload = function(slide) { reader.readAsBinaryString(file); }; -DDFileUploader.prototype.uploadCompleteHandler = function(req) { +DDFileUploaderBase.prototype.uploadCompleteHandler = function(req) { var slide = this.uploadedSlide; this.uploadedSlide.removeChild(slide.label); this.uploadedSlide.removeChild(slide.progressBar); var fragment = getCopyOfNode(req.responseXML.documentElement.firstChild); var img = fragment.getElementsByTagName('img')[0]; - img.onload = function(evt) { - var preview = slide.getElementsByTagName('img')[0]; - preview.src = undefined; - slide.parentNode.replaceChild(fragment, slide); - }; + if (req.status === 200) { + // update + var existing = this.existingSlides[img.src]; + if (existing) { + existing.src = existing.src + '?' + Math.random().toString(); + } + slide.img.src = ''; + slide.img.parentNode.removeChild(slide.img); + slide.img = undefined; + slide.parentNode.removeChild(slide); + } + else if(req.status === 201) { + // creation + img.onload = function(evt) { + // accelerate GC before replacing + slide.img.src = ''; + slide.img.parentNode.removeChild(slide.img); + slide.img = undefined; + slide.parentNode.replaceChild(fragment, slide); + }; + } this.previewsLoaded--; this.previewQueueLoadNext(); this.uploadQueueLoadNext(); }; -DDFileUploader.prototype.progressHandler = function(evt) { +DDFileUploaderBase.prototype.progressHandler = function(evt) { if (evt.lengthComputable) { var progress = evt.loaded / evt.total; this.updateProgressBar(progress); @@ -113,19 +123,19 @@ DDFileUploader.prototype.progressHandler = function(evt) { // Method about queues -DDFileUploader.prototype.previewQueuePush = function(slide) { +DDFileUploaderBase.prototype.previewQueuePush = function(slide) { this.previewQueue.push(slide); if (!this._previewQueueRunning) { this.startPreviewQueue(); } }; -DDFileUploader.prototype.startPreviewQueue = function() { +DDFileUploaderBase.prototype.startPreviewQueue = function() { this._previewQueueRunning = true; this.previewQueueLoadNext(); }; -DDFileUploader.prototype.previewQueueLoadNext = function() { +DDFileUploaderBase.prototype.previewQueueLoadNext = function() { if (this.previewQueue.length && this.previewsLoaded < MAX_PREVIEW) { var slide = this.previewQueue.shift(); this.previewUploadedImage(slide); @@ -136,20 +146,20 @@ DDFileUploader.prototype.previewQueueLoadNext = function() { } }; -DDFileUploader.prototype.uploadQueuePush = function(slide) { +DDFileUploaderBase.prototype.uploadQueuePush = function(slide) { this.uploadQueue.push(slide); if (!this._uploadQueueRunning) { this.startUploadQueue(); } }; -DDFileUploader.prototype.startUploadQueue = function() { +DDFileUploaderBase.prototype.startUploadQueue = function() { this._uploadQueueRunning = true; this.uploadQueueLoadNext(); }; -DDFileUploader.prototype.uploadQueueLoadNext = function() { +DDFileUploaderBase.prototype.uploadQueueLoadNext = function() { var slide = this.uploadQueue.shift(); if (slide) { this.upload(slide); @@ -161,7 +171,7 @@ DDFileUploader.prototype.uploadQueueLoadNext = function() { // User interface -DDFileUploader.prototype.createSlide = function(file) { +DDFileUploaderBase.prototype.createSlide = function(file) { var slide = document.createElement('span'); slide.file = file; @@ -207,14 +217,14 @@ DDFileUploader.prototype.createSlide = function(file) { return slide; }; -DDFileUploader.prototype.updateProgressBar = function(progress) { +DDFileUploaderBase.prototype.updateProgressBar = function(progress) { // 0 <= progress <= 1 var size = this.progressBarMaxSize * progress; size = Math.round(size); this.progressBar.style.width = size + 'px'; }; -DDFileUploader.prototype.previewUploadedImage = function(slide) { +DDFileUploaderBase.prototype.previewUploadedImage = function(slide) { var reader = new FileReader(); var size = this.thumbnailSize; var self = this;