X-Git-Url: https://scm.cri.mines-paristech.fr/git/Portfolio.git/blobdiff_plain/02999acb0be0fa738cebfc080c3517a567564e80..30ba3a527054cc5c4c188b1049ef68e8ac0c69dd:/skins/fileupload.js?ds=sidebyside diff --git a/skins/fileupload.js b/skins/fileupload.js index 3f5f8c5..ff3f478 100644 --- a/skins/fileupload.js +++ b/skins/fileupload.js @@ -1,21 +1,11 @@ // © 2013 Benoît Pin MINES ParisTech -var DDFileUploader; +var DDFileUploaderBase; (function(){ -// nombre maximun d'image chargées en local -var MAX_PREVIEW = 2; -var isThumbnail = /.*\/getThumbnail$/; -DDFileUploader = function(dropbox, uploadUrl) { +DDFileUploaderBase = function(dropbox, uploadUrl) { this.dropbox = dropbox; - this.existingSlides = this.indexExistingSlides(); 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; @@ -24,25 +14,13 @@ DDFileUploader = function(dropbox, uploadUrl) { addListener(dropbox, 'drop', function(evt){self.drop(evt);}); }; -DDFileUploader.prototype.indexExistingSlides = function() { - var images = this.dropbox.getElementsByTagName('img'); - var i; - var index = []; - for (i=0 ; i < images.length ; i++) { - if (isThumbnail.test(images[i].src)) { - index[images[i].src] = images[i]; - } - } - return index; -}; - // 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); @@ -50,7 +28,7 @@ DDFileUploader.prototype.dragover = function(evt) { dt.dropEffect = 'copy'; }; -DDFileUploader.prototype.drop = function(evt) { +DDFileUploaderBase.prototype.drop = function(evt) { disableDefault(evt); disablePropagation(evt); getEventObject(evt); @@ -60,17 +38,11 @@ DDFileUploader.prototype.drop = function(evt) { }; // Methods about upload -DDFileUploader.prototype.handleFiles = function(files) { - var file, i, slide; - for (i = 0; i < files.length; i++) { - file = files[i]; - slide = this.createSlide(file); - this.previewQueuePush(slide); - this.uploadQueuePush(slide); - } +DDFileUploaderBase.prototype.handleFiles = function(files) { + // To be implemented by descendant. }; -DDFileUploader.prototype.upload = function(slide) { +DDFileUploaderBase.prototype.upload = function(slide) { var reader = new FileReader(); var req = new XMLHttpRequest(); var file = slide.file; @@ -100,7 +72,7 @@ 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); @@ -132,7 +104,7 @@ DDFileUploader.prototype.uploadCompleteHandler = function(req) { this.uploadQueueLoadNext(); }; -DDFileUploader.prototype.progressHandler = function(evt) { +DDFileUploaderBase.prototype.progressHandler = function(evt) { if (evt.lengthComputable) { var progress = evt.loaded / evt.total; this.updateProgressBar(progress); @@ -141,45 +113,21 @@ DDFileUploader.prototype.progressHandler = function(evt) { } }; -// Method about queues - -DDFileUploader.prototype.previewQueuePush = function(slide) { - this.previewQueue.push(slide); - if (!this._previewQueueRunning) { - this.startPreviewQueue(); - } -}; - -DDFileUploader.prototype.startPreviewQueue = function() { - this._previewQueueRunning = true; - this.previewQueueLoadNext(); -}; - -DDFileUploader.prototype.previewQueueLoadNext = function() { - if (this.previewQueue.length && this.previewsLoaded < MAX_PREVIEW) { - var slide = this.previewQueue.shift(); - this.previewUploadedImage(slide); - this.previewsLoaded++; - } - else { - this._previewQueueRunning = false; - } -}; - -DDFileUploader.prototype.uploadQueuePush = function(slide) { +// Methods about queue +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); @@ -191,7 +139,7 @@ DDFileUploader.prototype.uploadQueueLoadNext = function() { // User interface -DDFileUploader.prototype.createSlide = function(file) { +DDFileUploaderBase.prototype.createSlide = function(file) { var slide = document.createElement('span'); slide.file = file; @@ -237,14 +185,14 @@ 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;