Answering my own question: Read the documentation on:
- (BOOL)control:(NSControl *)control textShouldEndEditing:(NSText *)fieldEditor Cheers, Andre Masse On 16/08/2011, at 12:21 , Andre Masse wrote: > Hi, > > I need to validate input when the user enters data on a particular cell > (caseNumber) in a table view. Not using coredata but data is stored in a > Postgresql database. Here's what I need to ensure: > > 1- only digits > 2- dont already exists in the database > 3- dont already exists in the tableview's datasource > 4- need to stay on the cell until valid data is entered. > > 1- easily done use key-value validation (validateCaseNumber:error:) > 2- could be done using key-value validation but this imply opening a new > database connection (already have one open in master/detail model) > 3- this cant be done using key-value validation (no access to the array) > > I'm currently using this in a tableview delegate: > > - (BOOL)control:(NSControl *)control isValidObject:(id)obj > > Which is working fine except that I haven't found a way to customize the > error string when returning NO in the above method. Am I missing something > obvious? > > Thanks, > > Andre Masse > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/andre.masse%40videotron.ca > > This email sent to andre.ma...@videotron.ca _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
