Water leak found

Ever since we bought this Disc we have had water leaks, at the front. Initially I thought it was going to be the sunroof drain tubes.

This morning I got around to removing the headlining, and this is what I found............
https://www.dropbox.com/s/zufp1y4bbtf9cwh/2014-09-29 12.18.02.jpg?dl=0

https://www.dropbox.com/s/0nlqfswrz6h27u3/2014-09-29 12.17.54.jpg?dl=0

https://www.dropbox.com/s/n4e9ixg6as7bbvv/2014-09-29 12.17.06.jpg?dl=0

https://www.dropbox.com/s/ryje70cfcmj79c4/2014-09-29 12.16.56.jpg?dl=0

https://www.dropbox.com/s/umm6am1dlc9qzjx/2014-09-29 12.16.37.jpg?dl=0

https://www.dropbox.com/s/zu0xa6xs1lkb8rg/2014-09-29 12.16.02.jpg?dl=0

Someone has obviously been here before, has anyone replaced the 'screen pillars or is it a case of fabricate pieces?

Thank you for any advice

Regards

David