(function(){
// nombre maximun d'image chargées en local
var MAX_PREVIEW = 2;
+var isThumbnail = /.*\/getThumbnail$/;
DDFileUploader = function(dropbox, uploadUrl) {
this.dropbox = dropbox;
+ this.existingSlides = this.indexExistingSlides();
this.uploadUrl = uploadUrl;
this.slideSize = 222;
this.progressBarMaxSize = 200; // pixels
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) {
disableDefault(evt);
this.uploadedSlide.removeChild(slide.progressBar);
var fragment = getCopyOfNode(req.responseXML.documentElement.firstChild);
var img = fragment.getElementsByTagName('img')[0];
- img.onload = function(evt) {
- // accelerate GC before replacing
+ 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.replaceChild(fragment, slide);
- };
+ 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();