How are you setting up the binding? Normally you bind to the value property of the NSTextField (not stringValue). See Cocoa Bindings Reference (NSTextField Bindings).
On Jan 18, 2014, at 9:41 PM, Roland King <r...@rols.org> wrote: > I have a model object with a codeURL property which is readwrite and is an > NSURL. > > I have an NSTextField in the NSView subclass with the value bound to the > codeURL property with a custom transform which turns a URL into a string (and > deals with nil and another edge case). > > The transform is reversible, returns YES for allowsReverseTransform and has > an implemented reverseTransformedValue: method. > > There's a browse button on the UI which lets the user select a file and then > sets the stringValue: property of the NSTextField to the url.path of the file > selected. > > What I expected is that setting the stringValue would invoke the transformer > in the reverse direction and set the codeURL property to the reverse > transformed value, thus binding the codeURL property in both directions. > > What actually happens is nothing. The transformer reverse method isn't called > and the codeURL isn't changed. It works in the forward but not the reverse > direction. I have a checkbox similarly bound (with no transform) and that > works fine both ways. > > This is my first foray into bindings .. what could I be doing wrong? Do I > need to express a simple NSString property on the model object and bind that > instead and do the NSString/NSURL conversion there? > > > > _______________________________________________ > > 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/dave.fernandes%40utoronto.ca > > This email sent to dave.fernan...@utoronto.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
