I am building a toy app using core data for two entities Log
(attributes text
and date
) and Tag
with a many-to-many tags
relationship from Log
to Tag
.
I want to show logs in a table, so I:
- created an
NSArrayController
instance,LogController
in IB with entity set toLog
(pic) - created a one-column
NSTableView
whose column is bound toLogController
. pic - linked the
LogController
in my app delegate (AppDelegate
) usingIBOutlet
.AppDelegate
also has themanagedObjectContext
. - created a custom
NSCell
class withNSString
propertiesmainText
andtagsText
that I draw onto the cell - I set the above two cell properties in
AppDelegate
in the- (void)tableView: willDisplayCell: forTableColumn: row:
method. (MainController
is also the table's delegate). For thetagsText
I get the tags for the current log and concatenate them into a singleNSString
Everything works fine, except: When I mouse-select a row that displays multiple tags the app crashes with an EXC_BAD_ACCESS
. That's the only time I have any error, but I don't know what is causing it.