FocusContainer (Vellum)

tonic@vellum:~$ Source Portfolio tonicbox.dev

All Known Implementing Classes:

Form, TabHost
```
public interface FocusContainer
```
Capability for a Section that manages internal focus stops; the focus manager consults it before advancing at the parent level.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Section`	`activeFocusTarget()`	Returns the currently focused internal target.
`boolean`	`advanceFocus(boolean forward)`	Moves internal focus in the given direction.
`java.util.List<Section>`	`focusTargets()`	Returns the focusable descendants this container manages internally.

- Method Detail
  - focusTargets
```
java.util.List<Section> focusTargets()
```
    Returns the focusable descendants this container manages internally.
    
    Returns:
    
    the focus targets, in traversal order
  - activeFocusTarget
```
Section activeFocusTarget()
```
    Returns the currently focused internal target.
    
    Returns:
    
    the active focus target, or null when none is focused
  - advanceFocus
```
boolean advanceFocus(boolean forward)
```
    Moves internal focus in the given direction.
    
    Parameters:
    
    forward - true to advance, false to move back
    
    Returns:
    
    true when focus moved internally, false at an edge so the parent advances instead