April 2007
Intermediate to advanced
511 pages
12h 4m
English
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Chapter 10. XForms
Most of the technologies we have discussed to this point involve a good deal of “client-side” scripting—code to manipulate interface controls or document content. This chapter focuses on a technology designed to minimize the need for validation scripting while maximizing the portability of interface elements among different display modalities.
This chapter discusses the Firefox implementation of XForms, a World Wide Web Consortium (W3C) standard presented as an alternative technique to move structured (form-like) user entry data into served applications. The goal of an XForms implementation is to reduce the linkage between data and interface structure, reduce the amount of scripting (either at the server or at the client) required to validate entry, and expand the portability of a data model through a replaceable instance of an interface that may be customized for a specific implementation.
This chapter:
Covers the basic structure of an XForms design
Illustrates how an input form is transferred directly into XML at the server
Explores the conditional styling and validation features of XForms
Covers how we can use XML events and actions to modify interface structure
The examples will use XHTML files for the source pages served from a localhost web server such as Apache. We will code the server scripting in Personal Hypertext Processor (PHP) language.
Tip
Although Firefox supports the XForms model, you must manually install the XForms extension from the Mozilla.org development ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.