By Joel Hooks
Robotlegs is a standout one of the ActionScript three improvement frameworks to be had at the present time. With it, Flash, Flex, and AIR builders can create well-architected, testable, and versatile wealthy net functions - quick. This concise consultant indicates you ways the sunshine footprint and concentrated scope of this open resource framework not just solves your speedy coding difficulties, it is helping you achieve perception into AS3 structure on a far deeper point. The authors offer a walkthrough of particular positive factors in purposes they have written in Robotlegs, whole with code for every software as an entire. you are going to the right way to in achieving a stability of suppleness and consistency on your personal initiatives.
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SHUTDOWN_COMPLETE event, which you can listen for before nulling the reference to the context. Now you have some Context You can think of the Context as a container for the injections you specify on the injector. Within a specific Context, a set of objects are created and injected based on the configuration values setup for that Context. As well as objects and injection rules, the context contains rules about how to map views to mediators, and how to map events to commands, via the heart of your controller layer: the CommandMap.
Again, if you’ve ever tackled this yourself, it’s worth remembering how you achieved it. 1. The SaveButtonMediator responds to the CLICK on the SaveButton by dispatching a SAVE_REQUESTED event 2. The SaveDesignCommand is triggered 3. The SaveDesignCommand pulls the current design’s name from the user’s config, and passes it to the DesignSavingService 4. The DesignSavingService attempts to save the design, reading it from the DesignModel 5. The DesignSavingService dispatches a SAVE_COMPLETED event The same but different What you might have noticed is that, although our two applications have very little in common, and although we developed them completely separately, and even though one is a Flex application and the other is a pure AS3 application, the flow through our applications is strikingly similar.
Info Figure 4-3. mapSingleton(UserLoadingService); // in the class that has the dependency: [Inject] public var userLoadingService:UserLoadingService; Unlike the getInstance() Singleton pattern, the class itself—UserLoadingService— doesn’t need to know that it’s going to be used as a ‘singleton’—meaning that the injector will use the same instance every single time this dependency is requested. As well as freeing the UserLoadingService from the responsibility of maintaining its ‘singleness’, you are also now free to create additional instances if, for some reason, you needed to.