By Cliff Hall
Achieve hands-on adventure with PureMVC, the preferred open resource framework for constructing maintainable functions with a Model-View-Controller structure. during this concise consultant, PureMVC author Cliff corridor teaches the basics of PureMVC improvement through jogging you thru the development of an entire non-trivial Adobe AIR software. via transparent motives and diverse ActionScript code examples, you are going to research top practices for utilizing the framework's periods on your day by day paintings. notice how PureMVC allows you to specialize in the aim and scope of your software, whereas the framework looks after the plumbing in a maintainable and conveyable method.
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Additional info for ActionScript Developer's Guide to PureMVC
You might also define enumerations or constants for valid values of properties if you know them. Write the classes and formal or informal tests using them in whatever way you like. Having a suite of tests for your Value Objects is a great way to get a feel for how your code that manipulates them will work while you are still building them, and later helps you to guard against changes breaking the application. The tests provide a reference for how the entities should be used and should be kept up-to-date, reflecting current usage in the application.
Register the Mediators . . Create the Application Facade Create a Facade subclass called ApplicationFacade. Here is what it should do: • Implement a getInstance() method, so that the subclass is used for the Singleton instance. • Override the initializeController() method, calling the superclass method first, then registering your StartupCommand to respond to the STARTUP note. • Add a public convenience method called startup() for the application to call, taking an instance of the app as an argument.
You could mediate the Invoice component and allow it to tend to its children such that only an InvoiceMediator is needed. The InvoiceMe diator could get an InvoiceVO from the InvoiceProxy and set it on the Invoice View Component. That component could then distribute a reference to the InvoiceVO (perhaps using Flex binding) down to its children the InvoiceHeader and InvoiceDetails components where the appropriate data from the InvoiceVO would be displayed. When the user interacts with the InvoiceHeader or InvoiceDetails components, causing, for instance a request to save changes, those components could dispatch a bubbling event which passes up through the Invoice component.
ActionScript Developer's Guide to PureMVC by Cliff Hall