[CAUSEWAY-800] Wizard-like form for Wicket viewer

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: viewer-wicket-1.5.0, core-1.5.0
• Fix Version/s: viewer-wicket-1.6.0, core-1.6.0
• Component/s: Core, Viewer Wicket
• Assignee: Daniel Keir Haywood
• Reporter: Daniel Keir Haywood
• Created: 09/Jun/14 06:08
• Updated: 23/Dec/14 15:46
• Resolved: 13/Jun/14 09:32

Description

Erik Hair on users@i.a.o:

Is it in some way possible to create a wizard like form or open an action with an action? I tried to return a not yet persisted object from an action and hoped I could edit some properties and add some elements to collections of the object before persisting it to the database...

~~~~~~
Dan:
Short answer is that we don't really (properly) support this. And we should.

I agree that @NotPersistable is confusing and its not clear what to use; the right solution would be to implement a view model (currently: implement the ViewModel interface), and then - optionally - write a custom ComponentFactory for the Wicket viewer to render the wizard appropriately.

But the snag even with the above is that (currently) view models are immutable; they support actions but their properties cannot be edited.

I can see the way forward on this; I don't think it's difficult, but it will require a change in core and probably the wicket viewer also.

Issue Links

• is related to: CAUSEWAY-807 Break out EntityPropertiesForm into two for the new IWizard, and then make into a separate component.
• relates to: CAUSEWAY-781 Add edit capability to view objects
• relates to: CAUSEWAY-810 Remove Wizard and Wicket viewer implementation on basis that shouldn't constrain programming model to this extent.
• relates to: CAUSEWAY-807 Break out EntityPropertiesForm into two for the new IWizard, and then make into a separate component.