Core

Page history last edited by Jörn Zaefferer 2 years ago

1 - Description:

This page describes and specifies features provided by ui.core.js, or links to more specific pages.

2 - Visual Design:

None.

3 - Functional Specifications/Requirements:

Implemented:

Widget Factory
$.ui.plugin
- add
  - specifies a plugin extension
- call
  - triggers plugin extensions
- an approach to extension of plugins, currently deprecated, without a viable alternative (the recommended proxy pattern has too many drawbacks, too)
$.ui.contains
- accepts two DOM elements a and b and compares their positions using (browser specific) methods, returns true when b is contained within a
- jQuery core has this method, too, but doesn't expose it (related ticket)
$.ui.hasScroll
- ?
$.ui.isOverAxis
- ?
$.ui.isOver
- related to isOverAxis, both seem to be helper methods for dimensional calculations
$.ui.keyCode
- enumeration of key codes like UP, ESCAPE etc.; must be used in key event handlers instead of the numerical values
$.fn._focus
- reference to the original $.fn.focus method
$.fn.focus
- overwrites original $.fn.focus method to accept a number parameter as the first argument (shifting the callback to the second argument) to interleave the focus-event handler with used-defined delay (via setTimeout)
$.fn.remove
- extends the original remove method to trigger a "remove" event on each removed element
- related features/functionality?
- here the original remove method is stored in a private variable - inconsistent with $.fn._focus
$.fn.enableSelection
- ?
$.fn.disableSelection
- ?
$.fn.scrollParent
- ?
$.expr[':'].data
- ?
$.expr[':'].focusable
- ?
$.expr[':'].tabbable
- ?
$.fn.zIndex
- to tackle stacking issues which will become more prevalent as the UI library grows and more complex components emerge.
- will be able to calculate true stacking level based on a target elements z-index or its parents if not set.