When dropping files onto the upload clip, I correctly get the list of files I dropped in the widget. However, when clicking on the widget, the list suddenly disappears.
![Screen Shot 2013-03-18 at 15 27 44](https://f.cloud.github.com/assets/109850/271261/722a288c-8fe0-11e2-9894-7313a597d92e.png)