It's a bit late today, so I will have a look tomorrow :) (If I forget, feel free to insult me ^^)
Ben On Jul 8, 2013, at 11:05 PM, Andrei Vasile Chis <chisvasileand...@gmail.com> wrote: > Hi, > > I've implemented a small UI using the dynamic features of spec and I'd like > to know if there isn't a better way to do it. My use case is simple: I have a > normal ComposableModel that has two models - a list and a > DynamicComposableModel. The DynamicComposableModel should contain a list of > buttons that should change every time the user selects an element in the > list. I've implemented a demo that can be seen if you download the package > DynamicSpec-Examples from > http://www.smalltalkhub.com/mc/AndreiChis/Playground/main and execute the > code from the class comment of DSChangingButtons. > > My problem is that the widget containing the buttons has to define a spec > layout on the class side. I haven't found a way to tell the spec layout to > add a widget and use a method on the object for constructing the layout. I've > manage to get away by dynamically reconstructing the layout when the > selection changes, however it's not that nice because I had to duplicate the > layout of the main widget both on the class side and the object side. It > would be nice to add a widget to the layout like this: 'aSpec dynamicAdd: > modelGetter withSpec: aSymbol ' that would call aSymbol on the object and not > on the class. This may or may not make sense :) > > To be concrete, the method DSToolbarModel>>updateButtons will call the method > dynamicLayout on it's parent which in turn will call dynamicLayoutWithSpec: > on the toolbar. I'd like to avoid this, and when specifying the layout of the > parent widget to call a method on the instance side of it subwidgets to get > their layout. > > Now I'll end here this rather long email :) > > Cheers, > Andrei
