April 4, 2008

Computed properties and binding

Filed under: dev, education, flex, mvc, tip — michaelangela @ 4:46 am

This is also something I’ll have to take a look at later.

Computed properties and binding « FLEXYGEN

Updating views in response to model changes is a snap with Flex data binding.
A model property is set to be [Bindable] and and a view property is set to an expression in curly braces that refers to that property. <snip>

Flex implements this by dispatching a PropertyChangedEvent when “description” changes, but by implementing implicit getter and setter functions, one can customize the event. In the MVC sample I wrote, which I hope to post one of these days, I stumbled upon the following idiom, where several bindable properties are based on a single value changing.


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