Category Archives: Flight

Flight Framework, Flight Transform, Flight Design, all Flight.

Custom Binding Released!

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Delivered as promised. It has a smaller memory footprint, a faster clock-speed and, best of all, it’s 100% weak-referenced. Data binding is supposed to be light and unobtrusive. Now you can have the smallest ActionScript 3 binding available, released as a component of the open source Flight Framework.

Flight’s data binding is powerful and simple, consisting of two classes. A Binding object represents a single data source: a source object and a source-path, such as model and "user.userName". Any number of event listeners and object/property pairs can be registered with this single Binding instance, allowing each to update when the data source changes. This class may be useful for special needs, but you usually don’t deal with Binding directly.

The Bind class is the primary interface to Flight binding and is used much like you would use Flex BindingUtils. This class exposes a static API for adding and removing bindings and listeners. It can also be instantiated via MXML for special cases where you need weak-reference binding that curly-brace bindings just don’t support. Here’s an example of usage:

Binding via Static ActionScript API:

// Bind.addBinding(target:Object, targetPath:String, source:Object, sourcePath:String, twoWay:Boolean = false):Boolean

Bind.addBinding(this, "userTxt.text", this, "model.user.userName");

Instance binds via MXML:

Visit the Google Project to download release 0.8.1 or higher.

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Finally! Undo in Flash/Flex TextFields

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One of those things that the browser has built in that you wish would just work in Flash – a simple TextField undo & redo. My brother recently released a really slick solution to the problem. It isn’t a UI component – it sits above the display list and works with all types of Flash TextFields: Flex components, Flash components, bare naked TextFields. It’s really small (1 manager and 3 command classes) and you attach it to the highest level display object necessary for a custom level of influence – so if you want the whole app to be effected then you attach it to the root.

Here’s what the API looks like:

var undoTextFields:UndoTextFields = new UndoTextFields();
undoTextFields.target = this;

Boom! done. (sound effect not included) And it works just like the browser – each TextField has its own undo/redo independent of the others.

NOTE:
The component uses the Flight Framework history without adopting the rest of the framework methodology. A great use of Flight, as it prescribes utility and a minimalistic approach to development. I’ll probably demo this utility at my upcoming presentation.

Flight Framework: Early Beta.

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It isn’t easy for me to release code that isn’t finished, so I’ve had many projects come and go without ever seeing the light of day. But not Flight, not this time.

I’ve posted about Flight before: it’s a simple and powerful application framework in ranks with Cairngorm and some of the newer frameworks. Here’s an excerpt from Flight’s initial post:

The Flight Framework is the evolution of an ActionScript framework that has been around for a few years. It was a replacement to Cairngorm and was originally designed for web-based, design-centric applications such as logo makers and book builders. Even now the framework ships with the CommandHistory – an entire solution for undo and redo – and other practical utilities that strengthen its offering.

Flight Framework maintains an emphasis on supporting capable clients: Flex and Flash applications that are much more than just a pretty face to a server implementation. Through features like domains (modular MVC systems) and a prescribed structure, the framework transforms component scripting into real application development.

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360|Flex: Speaking on Undo & Redo

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And such a nice conference! I’m pleased to say that I will be speaking at the best conference around for Flex and Flash developers. The presentations at this conference have real depth for developers, and this year looks like a great lineup: the schedule.

My topic is on a subject I’ve dealt with frequently. Over the last few years I’ve been heavily involved in building up design-centric tools and applications, all Flash/Flex based. Of course, one of the first requirements of these type of applications is undo and redo:

Undo History with Flight – level 200, Intermediate
Undo & redo is a core feature to many applications, yet it’s missing from your Flash and Flex projects. Learn how to easily add history to your applications with little effort. This session covers the concepts, benefits and the techniques of history management. It breaks down the complexity of undo & redo implementation into simple code, illustrating the use of the Command Pattern and providing the tools necessary to get up and running within minutes. This session is targeted toward intermediate developers, but will be a great overview of application history for beginners and non-programmers.

Also, there’s a pre-showing of the presentation at our next uFlash meeting. For everyone else, don’t forget to register for 360|Flex! The discount pricing for early registration is first come first serve.

Flight Framework: Another Flex Framework?

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At 360|Flex this last month there were 5 different framework-centric presentations, from Adobe’s Cairngorm down to build-your-own-framework. Each framework presents its own virtues and vice’s, each developed to solve their originator’s focused set of organizational problems encountered in their architecture. I’m not an expert in any one of these frameworks and so won’t compare or contrast this list of projects to determine the “best” one. Even better, I have one more to throw on the pile: Flight Framework. Yet another framework, another methodology, another workflow for Flash and Flex application development … why? Why offer another option in the crowd of mulling libraries that vie for popularity?
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