ActionScript Developer's Guide to PureMVC by Cliff Hall PDF

By Cliff Hall

ISBN-10: 1449314562

ISBN-13: 9781449314569

Achieve hands-on event with PureMVC, the preferred open resource framework for constructing maintainable purposes with a Model-View-Controller structure. during this concise consultant, PureMVC writer Cliff corridor teaches the basics of PureMVC improvement through strolling you thru the development of a whole non-trivial Adobe AIR software. via transparent motives and diverse ActionScript code examples, you are going to examine top practices for utilizing the framework's sessions on your day by day paintings. notice how PureMVC allows you to concentrate on the aim and scope of your program, whereas the framework looks after the plumbing in a maintainable and transportable method.

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Extra info for ActionScript Developer's Guide to PureMVC

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While a Proxy may listen to a service component for Events, it will broadcast its own status to the rest of the PureMVC actors using Notifications. Likewise, a Mediator may place event listeners on a View Component, but it will usually translate those Events into outbound Notifications in order to communicate user intent to other parts of the application. A Notification has a name, an optional body (which can be any Object), and an optional type (a String). Mediator, Proxy, and SimpleCommand are all Notifier subclasses, meaning they all inherit a convenience method called sendNotification(), which takes the three properties just mentioned as arguments, constructs a new Notification, and broadcasts it.

Grand ideas for the future include generating an outline from the descriptions and notes from each level of the story hierarchy, and plot arcs for each character or story that show how events affect a character or the storyline over time and in multiple dimensions. For instance, a car crash could have a terrible effect on the character’s health, but positive implications for her wealth after the subsequent lawsuit. Imagining and plotting the cause and effect behind the multifaceted fortunes of a character or twists in a story plot could benefit from a visualization tool, I am convinced.

Other than the syntactic differences in the languages, the things that are likely to be different because they must are View Components, services, and the way you communicate with them; in other words, the boundaries of the app, which, conveniently, is the stuff that Mediator and Proxy isolate each other and the business logic from. While you would certainly have to write the app again in its entirety on the target platform, you would not have to completely redesign the architecture. You would write mostly the same classes with the same methods and properties, just accounting for the differences at the boundaries and preserving the logic and notification patterns.

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ActionScript Developer's Guide to PureMVC by Cliff Hall

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