On May 1, 2012, at 2:47 PM, Quincey Morris wrote: > On May 1, 2012, at 14:23 , Ben Kennedy wrote: > >> I have an NSTableView whose data source is bound to an NSArrayController. >> To one of its columns (displaying a custom type) I have attached a custom >> NSFormatter subclass. The NSFormatter correctly returns NO from >> getObjectValue:forString:error: if the supplied string is not acceptable. >> Despite this, however, validation is not enforced; when tabbing out of the >> field, the table view carries on and just assigns a null value to the >> corresponding property. > > Double-check that "Validates immediately" is checked for the binding. > Counter-intuitively, this doesn't mean "immediately" in the sense of every > keystroke, but "immediately" in the sense of when editing ends. If it's not > checked, validation is presumably deferred until an entire view's worth of > fields has been entered.
That seems to be at odds with the Bindings documentation: https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/CocoaBindings/Concepts/MessageFlow.html The validation should be triggered as soon as the text field tries to commit editing. --Kyle Sluder _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
