July 2012
Intermediate to advanced
254 pages
6h 16m
English
Content preview from Learning JavaScript Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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jQuery Mobile Widgets with the Widget Factory
jQuery Mobile is a jQuery project framework that encourages the design of ubiquitous web applications that work both on popular mobile devices and platforms and on the desktop. Rather than writing unique applications for each device or OS, we simply write the code once, and it should ideally run on many of the A-, B- and C-grade browsers out there at the moment.
The fundamentals behind jQuery Mobile can also be applied to plug-in and widget development.
What’s interesting in this next pattern is that although there are small, subtle differences in writing a “mobile”-optimized widget, those familiar with using the jQuery UI Widget Factory pattern from earlier should be able to grasp this in next to no time.
The mobile-optimized widget below has a number of interesting differences than the standard UI widget pattern we saw earlier:
$.mobile.widgetis referenced as an existing widget prototype from which to inherit. For standard widgets, passing through any such prototype is unnecessary for basic development, but using this jQuery-mobile specific widget prototype provides internal access to further “options” formatting.In
_create(), a guide is provided on how the official jQuery Mobile widgets handle element selection, opting for a role-based approach that better fits the jQM mark-up. This isn’t at all to say that standard selection isn’t recommended, only that this approach might make more sense given the structure of jQuery Mobile pages. ...
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