Widget extension providing functionality enabling a Widget to be a child of another Widget.
ROOT_TYPEConstructor reference used to determine the root of a Widget-based object tree.
Currently used to control the behavior of the root
attribute so that recursing up the object heirarchy can be constrained
to a specific type of Widget. Widget authors should set this property
to the constructor function for a given Widget implementation.
depthNumber representing the depth of this Widget relative to the root Widget in the object heirarchy.
Default: -1
depthChange
Fires when the value for the configuration attribute depth 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.
e
EventFacade
indexNumber representing the Widget's ordinal position in its parent Widget.
indexChange
Fires when the value for the configuration attribute index 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.
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EventFacade
parentRetrieves the parent of the Widget in the object hierarchy.
parentChange
Fires when the value for the configuration attribute parent 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.
e
EventFacade
rootReturns the root Widget in the object hierarchy. If the ROOT_TYPE property is set, the search for the root Widget will be constrained to parent Widgets of the specified type.
rootChange
Fires when the value for the configuration attribute root 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.
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EventFacade
selectedNumber indicating if the Widget is selected. Possible values are:
Default: 0
selectedChange
Fires when the value for the configuration attribute selected 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.
e
EventFacade