Version 3.17.2

APIs

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WidgetAutohide Class

The WidgetAutohide class provides the hideOn attribute which can be used to hide the widget when certain events occur.

Methods

_afterHideOnChange

() protected

Default function called when hideOn Attribute is changed. Remove existing listeners and create new listeners.

_afterHostVisibleChangeAutohide

() protected

Default function called when the visibility of the widget changes. Determines whether to attach or detach event listeners based on the visibility of the widget.

_attachUIHandlesAutohide

() protected

Iterates through all objects in the hideOn attribute and creates event listeners.

_bindUIAutohide

() protected

Binds event listeners to the widget.

This method in invoked after bindUI is invoked for the Widget class using YUI's aop infrastructure.

_detachUIHandlesAutohide

() protected

Detaches all event listeners created by this extension

_syncUIAutohide

() protected

Syncs up the widget based on its current state. In particular, removes event listeners if widget is not visible, and attaches them otherwise.

This method in invoked after syncUI is invoked for the Widget class using YUI's aop infrastructure.

_uiSetHostVisibleAutohide

() protected

Removes event listeners if widget is not visible, and attaches them otherwise.

Properties

ATTRS

Object static

Static property used to define the default attribute configuration introduced by WidgetAutohide.

Attributes

hideOn

Array

An array of objects corresponding to the nodes, events, and keycodes to hide the widget on. The implementer can supply an array of objects, with each object having the following properties:

eventName: (string, required): The eventName to listen to.

node: (Y.Node, optional): The Y.Node that will fire the event (defaults to the boundingBox of the widget)

keyCode: (string, optional): If listening for key events, specify the keyCode

By default, this attribute consists of one object which will cause the widget to hide if the escape key is pressed.

Fires event hideOnChange

Fires when the value for the configuration attribute hideOn is changed. You can listen for the event using the on method if you wish to be notified before the attribute's value has changed, or using the after method if you wish to be notified after the attribute's value has changed.

Parameters:

  • e EventFacade
    An Event Facade object with the following attribute-specific properties added:
    • prevVal Any
      The value of the attribute, prior to it being set.
    • newVal Any
      The value the attribute is to be set to.
    • attrName String
      The name of the attribute being set.
    • subAttrName String
      If setting a property within the attribute's value, the name of the sub-attribute property being set.

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