Show in the table of the Picture manager as a new column in how many cards the picture is used as a number.
Then show onclick of picture path the names of the cards in which this picture is used.
Make sure that Cards can't be deleted as long as they are referenced in a card.
[ ] Show reference number
[ ] Show reference picture name
[ ] Make cards no deletable as long as they hold references
d7b0d147caa9189263f609d30a07b2bc9791c670 45-picture-manager-references: Added a new migration to create a new table, which holds all pictures references on cards. This is redundant, but much more performant, when all references on the pictures should be shown.
4e1e552879496194da87a068cfcbf27eebbb0eb5 45-picture-manager-references: picture references are now updated, when a card is deleted, added or updated
35473e379e220611e780f18e7e15a0a25688d25c 45-picture-manager-references: added overlay modal, which preserves the location on navigation. Current limitations: If a page takes long to render, then the modal window does not initialize correctly. If the window is closed, while another modal window is opened, the other one refreshes
182c70ec82acbf0e057eb95732080e637f1e4692 45-picture-manager-references: only apply the draggable function, when the modal window has been rendered
95d947477ff9523da7bfc15722b271345d209054 45-picture-manager-references: Multiple Modal windows are now possible, which are refreshed upon navigation. This is usefull to show the references, when navigating to other places in the app
a06a2e1ff936ebde06c1d6547ca3c5f864c01b34 45-picture-manager-references: card references are now shown grouped by game and set
Show in the table of the Picture manager as a new column in how many cards the picture is used as a number. Then show onclick of picture path the names of the cards in which this picture is used.
Make sure that Cards can't be deleted as long as they are referenced in a card.