fixing the fabrick on my door panels

ok so my interior is not so hot, grey is the color, and the door panels look like sh!t
so i pulled one off today to find that the fabric is the total shits and i was wondering how to fix it, the fabric has come away from the plastic, is there any way of redoing it, i was thinking for a black fabric, anyways back to the issue how do i get the fabric back on after removing it and if i cant remove it how do i fix my issue. Pics here to help
The door panel:
The ISSUE
The Back of the panel
any help would be great, thxz a head of time


The door panel:

The ISSUE


The Back of the panel

any help would be great, thxz a head of time