Maintenance : bugfix, jslint.
[Plinn.git] / skins / fileupload.js
index a98dda5..bf36628 100644 (file)
@@ -42,13 +42,20 @@ DDFileUploaderBase.prototype.handleFiles = function(files) {
        // To be implemented by descendant.
 };
 
        // To be implemented by descendant.
 };
 
-DDFileUploaderBase.prototype.upload = function(slide) {
+
+
+DDFileUploaderBase.prototype.beforeUpload = function(item) {
+       // To be implemented by decendant.
+};
+
+
+DDFileUploaderBase.prototype.upload = function(item) {
+       // item.file must be the file to be uploaded
+       this.beforeUpload(item);
        var reader = new FileReader();
        var req = new XMLHttpRequest();
        var reader = new FileReader();
        var req = new XMLHttpRequest();
-       var file = slide.file;
-       this.uploadedSlide = slide;
-       this.previewImg = slide.img;
-       this.progressBar = slide.progressBar;
+       var file = item.file;
+       
        var self = this;
        
        addListener(req.upload, 'progress', function(evt){self.progressHandler(evt);});
        var self = this;
        
        addListener(req.upload, 'progress', function(evt){self.progressHandler(evt);});
@@ -72,50 +79,31 @@ DDFileUploaderBase.prototype.upload = function(slide) {
        reader.readAsBinaryString(file);
 };
 
        reader.readAsBinaryString(file);
 };
 
+
+DDFileUploaderBase.prototype.uploadCompleteHandlerCB = function(req) {
+       // To be implemented by descendant.
+};
+
 DDFileUploaderBase.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];
-       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.uploadCompleteHandlerCB(req);
        this.uploadQueueLoadNext();
 };
 
        this.uploadQueueLoadNext();
 };
 
+DDFileUploaderBase.prototype.progressHandlerCB = function(progress) {
+       // To be implemented by descendant.
+       // 0 <= progress <= 1
+};
+
 DDFileUploaderBase.prototype.progressHandler = function(evt) {
        if (evt.lengthComputable) {
                var progress = evt.loaded / evt.total;
 DDFileUploaderBase.prototype.progressHandler = function(evt) {
        if (evt.lengthComputable) {
                var progress = evt.loaded / evt.total;
-               this.updateProgressBar(progress);
-               var currentOpacity = this.previewImg.style.opacity;
-               this.previewImg.style.opacity = Math.max(currentOpacity, progress);
+               this.progressHandlerCB(progress);
        }
 };
 
 // Methods about queue
        }
 };
 
 // Methods about queue
-DDFileUploaderBase.prototype.uploadQueuePush = function(slide) {
-       this.uploadQueue.push(slide);
+DDFileUploaderBase.prototype.uploadQueuePush = function(item) {
+       this.uploadQueue.push(item);
        if (!this._uploadQueueRunning) {
                this.startUploadQueue();
        }
        if (!this._uploadQueueRunning) {
                this.startUploadQueue();
        }
@@ -127,9 +115,9 @@ DDFileUploaderBase.prototype.startUploadQueue = function() {
 };
 
 DDFileUploaderBase.prototype.uploadQueueLoadNext = function() {
 };
 
 DDFileUploaderBase.prototype.uploadQueueLoadNext = function() {
-       var slide = this.uploadQueue.shift();
-       if (slide) {
-               this.upload(slide);
+       var item = this.uploadQueue.shift();
+       if (item) {
+               this.upload(item);
        }
        else {
                this._uploadQueueRunning = false;
        }
        else {
                this._uploadQueueRunning = false;