huge attributes (blobs) freeze the UI

[eudoxos]

I am exposing an attribute as ByteString of a few megabytes. Inadverently clicking on it in the attribute browser freezes the GUI as it tries to display it. There should be some limit of a few kB beyond which the UI will only show ellipsis.

[oroulet]

Thanks, I remember making a method for that... Need to check it again...