By Cliff Hall
Gain hands-on adventure with PureMVC, the preferred open resource framework for constructing maintainable functions with a Model-View-Controller structure. during this concise advisor, PureMVC writer Cliff corridor teaches the basics of PureMVC improvement by means of strolling you thru the development of a whole non-trivial Adobe AIR application.
Through transparent motives and diverse ActionScript code examples, you’ll research top practices for utilizing the framework’s periods on your daily paintings. become aware of how PureMVC allows you to concentrate on the aim and scope of your software, whereas the framework looks after the plumbing in a maintainable and conveyable way.
- Get an in depth evaluate of the PureMVC method for constructing your application
- Model the area through designing the schema and developing framework-agnostic price objects
- Implement framework-agnostic View parts that disclose an API of occasions and properties
- Use the Proxy development to maintain music of price items and conceal provider interaction
- Facilitate two-way verbal exchange among a View part and the remainder of the application
- Stitch the version and think about stages including command gadgets within the Controller
- Manage difficult View part existence cycles, and the way to reuse the version tier
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Extra info for ActionScript Developer's Guide to PureMVC
Maintaining the MVC separation as your central organizing principle also helps you to separate your code into libraries (or combine multiple libraries) with confidence that your packaging 16 | Chapter 1: Introduction Figure 1-2. Typical package structure for a PureMVC-based application schemes will mesh. You may find that you want to extract your entire Model tier into a library for reuse across applications. You might also want to build your Model tier in a separate library even if you do not have multiple apps planned.
Step 3: Proxys Decide how you will store and access the Value Objects and this will lead you to think about the Proxys you may need and what responsibilities they will take on in order to manage their data. To start, you can have them use dummy methods to mock up and accept or send data. If you already have services or are using local storage, you may go ahead and write some of the methods for dealing with that. But just getting the main Proxys into place with a sense of how they will work is fine for the first pass.
This StoryArchitect, A Tool for Writing Fiction | 27 can be a real pain for hierarchical data, involving lots of table joins and code to be sure everything is escaped properly when the actual query is created. It does not mesh so well with the idea of simple filesystem storage that could be extended to work from the cloud, but could still conceivably allow collaboration since SQLite works with a database in a single file. Finally, all the code to parse the SQL query results into Value Objects (or objects into queries) can be pretty tedious stuff.
ActionScript Developer's Guide to PureMVC by Cliff Hall