inherits from Announcement
Class TargetedAnnouncement is a subclass of Announcement that allows you to associate an announcement with a target object. The target is usually an object that represents some hardware resource available to Magic Cap.
Instantiate: rarely Subclass: rarely Call its methods: never
You might instantiate objects of this class if you wanted to create your own announcements associated with target objects, and you might create subclasses if you wanted to specialize the behavior of the announcement for a particular kind of target object.
Class TargetedAnnouncement defines the following methods:
| Method | Description |
|---|---|
Notice |
Overridden to retract the announcement when target is destroyed |
| RetractWithoutHiding | Overridden to make target nil before retracting announcement |
| SetTarget | Indicate object to be associated with this announcement |
| Target | Get object that is associated with this announcement |
Class TargetedAnnouncement defines the following fields:
| Field | Type | Description |
|---|---|---|
| Inherited from Announcement | ||
| global bootlist | DataList | List of announcements retracted or announced at boot |
| Flags | Flags | Announcement flags |
| info | HasText | Text of the announcement |
| stamp | Viewable | The small stamp displayed in the name bar |
| sound | Sound | Sound played when the announcement is made |
| publicAddress | Object | The public address to use for the announcement |
| Defined by TargetedAnnouncement | ||
| target | Object | Object associated with this announcement |
overrides Notice Call: rarely Override: sometimes
Class TargetedAnnouncement overrides Notice to make the announcement retract when its associated object no longer exists.
overrides RetractWithoutHiding Call: rarely Override: sometimes
Class TargetedAnnouncement overrides RetractWithoutHiding to set the announcement's target to nilObject before it retracts itself.
attribute Target: Object // operation Target(): Object // operation SetTarget(newTarget) Call: rarely Override: sometimes