Gestion affichage lors de l'écrasement.
[Portfolio.git] / skins / fileupload.js
index 2b6c4a8..3f5f8c5 100644 (file)
@@ -4,9 +4,11 @@ var DDFileUploader;
 (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
@@ -22,6 +24,18 @@ 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) {
        disableDefault(evt);
@@ -92,9 +106,27 @@ DDFileUploader.prototype.uploadCompleteHandler = function(req) {
     this.uploadedSlide.removeChild(slide.progressBar);
        var fragment = getCopyOfNode(req.responseXML.documentElement.firstChild);
        var img = fragment.getElementsByTagName('img')[0];
-       img.onload = function(evt) {
-               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();