WidgetAutohide Class
The WidgetAutohide class provides the hideOn attribute which can be used to hide the widget when certain events occur.
Methods
_afterHideOnChange
()
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
EventFacadeAn Event Facade object with the following attribute-specific properties added: