+else {
+ Lightbox.prototype.disableDefaultDragging = function() {};
+}
+
+Lightbox.prototype.getSelectedSlides = function() {
+ var i, e, slide;
+ var slides = [];
+ for (i=0 ; i<this.form.elements.length ; i++) {
+ e = this.form.elements[i];
+ if (e.type === 'checkbox' && e.checked) {
+ slide = e.parentNode.parentNode;
+ slides.push(slide);
+ }
+ }
+ return slides;
+};
+
+Lightbox.prototype.onDragStart = function(evt) {
+ var target = getTargetedObject(evt);
+ this.dragged = target;
+ this.draggedSelection = this.getSelectedSlides();
+ if (this.draggedSelection.indexOf(target) === -1) {
+ this.draggedSelection.push(target);
+ }
+ evt.dataTransfer.setData('text', '');
+ var i, slide;
+ for(i=0 ; i<this.draggedSelection.length ; i++) {
+ slide = this.draggedSelection[i];
+ slide.style.opacity = 0;
+ slide.style.width = 0;
+ }
+};
+
+Lightbox.prototype.onDragOver = function(evt) {
+ var target = getTargetedObject(evt);
+ if (!target) {return;}
+ while(target.className !== 'slide') {
+ target = target.parentNode;
+ }
+ target = target.parentNode;
+ if (target !== this.dragged) {
+ target.classList.add('dragover');
+ }
+ if (this.lastDropTarget && this.lastDropTarget !== target) {
+ this.lastDropTarget.classList.remove('dragover');
+ }
+ this.lastDropTarget = target;
+};
+
+Lightbox.prototype.onDragEnd = function(evt) {
+ if (this.lastDropTarget) {
+ this.lastDropTarget.classList.remove('dragover');
+ var i, slide;
+ this.pendingMovedSlides = [];
+ for(i=this.draggedSelection.length -1 ; i>=0 ; i--) {
+ slide = this.draggedSelection[i].cloneNode(true);
+ this.pendingMovedSlides.push(slide);
+ this.grid.insertBefore(slide, this.lastDropTarget.nextSibling);
+ slide.style.opacity = 1;
+ slide.style.width = '';
+ }
+ this.moveSelectedPhotos();
+ }
+ // this.draggedSelection = this.lastDropTarget
+ this.dragged = undefined;
+};
+
+Lightbox.prototype.moveSelectedPhotos = function() {
+ var req = new XMLHttpRequest();
+ self = this;
+ req.onreadystatechange = function() {
+ switch (req.readyState) {
+ case 1 :
+ showProgressImage();
+ break;
+ case 4 :
+ hideProgressImage();
+ self._moveSelectedPhotos(req)
+ break;
+ }
+ };
+
+ var url = absolute_url() + '/portfolio_move_photos';
+ req.open("POST", url, true);
+ req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
+ var query = 'container_type=' + this.container_type;
+ var i;
+ for (i=0 ; i<this.draggedSelection.length ; i++) {
+ query += '&uids:list=' + this.draggedSelection[i].getAttribute('name');
+ }
+ query += '&afterUid=' + this.lastDropTarget.getAttribute('name');
+ req.send(query);
+};
+
+Lightbox.prototype._moveSelectedPhotos = function(req) {
+ var i, slide, cb;
+ if (req.status === 200) {
+ var doc = req.responseXML.documentElement;
+ if (doc.nodeName === 'ok') {
+ for(i=0 ; i<this.draggedSelection.length ; i++) {
+ slide = this.draggedSelection[i];
+ this.grid.removeChild(slide);
+ cb = this.pendingMovedSlides[i].getElementsByTagName('input')[0]
+ cb.checked = false;
+ cb.removeAttribute('checked');
+ }
+ this.pendingMovedSlides = undefined;
+ this.cbIndex = undefined;
+ return;
+ }
+ }
+
+ for(i=0 ; i<this.pendingMovedSlides.length ; i++) {
+ slide = this.pendingMovedSlides[i];
+ this.grid.removeChild(slide);
+ }
+
+ for(i=0 ; i<this.draggedSelection.length ; i++) {
+ slide = this.draggedSelection[i];
+ slide.style.opacity = 1;
+ slide.style.width = '';
+ }
+};