Managing photos within Subsurface

[Willem Ferguson]

Currently the facilities for managing the photos accessible to 
Subsurface are fairly crude. One can do a batch import using the "Load 
Images" context menu item on the dive list. This shows all the photos 
associated with each of the dives. But, once this is done, there is 
relatively little way of  managing the photos for that dive. One can 
delete individual photos from the dive profile, but I think by far the 
best place to do this is in the Photos tab where all the photos are 
shown side-by-side. One should be able to:

Add individual photos from a directory. I think this is relatively 
easily done using the existing batch import but only selecting a single 
photo.

Delete individual photos from a dive (with a confirmation dialogue). 
This used to be possible, not any more, however without a confirmation 
dialogue. This is particularly important if Subsurface cannot find the 
image (Ferguson moved the source folder without thinking) and shows a 
white dot above the profile. One cannot delete this white dot. At a 
minimum one should be able to select the name of the image in the Photos 
panel and delete that specific image.

Sort the photos in the Photos panel (at a minimum sorting on EXIF time 
or on file name, depth might be interesting). Looks like currently the 
ordering is random, differing even between different events of opening 
the same dive and photos on Subsurface.

How much of this is reasonably easily implementable?
Kind regards,
willem