Flex 3 in Action

Chapter 7. Formatting data

This chapter covers: Formatting raw data with Flex’s built-in formatters Types of formatters Real-time formatting and scripted formatting Dealing with formatting errors

Formattersare a class of objects which take raw data and transform it into a presentable visual format. From a usage perspective, they’re comparable to validators in that similar mechanisms are employed to implement them. Formatters can be configured to function in two modes:

• Real-time—. Formatting is conducted on the fly automatically via data binding.

• Scripted—. Using ActionScript you can create instances of formatters explicitly when needed and process the data accordingly.

The most important thing to know is formatters are incredibly easy to use. Raw data ...