Navigation (Vellum)

tonic@vellum:~$ Source Portfolio tonicbox.dev

```
public interface Navigation
```
Strategy that moves focus to an adjacent target when the focused section leaves an arrow key unhandled.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Section`	`resolve(Section current, Key direction, java.util.List<Section> targets)`	Chooses the focus target reached by moving in the given direction from the current section.
`static Navigation`	`spatial()`

- Method Detail
  - resolve
```
Section resolve(Section current,
                Key direction,
                java.util.List<Section> targets)
```
    Chooses the focus target reached by moving in the given direction from the current section.
    
    Parameters:
    
    current - the currently focused section
    
    direction - the arrow key pressed
    
    targets - the candidate focus targets
    
    Returns:
    
    the target to focus, or null to leave focus unchanged
  - spatial
```
static Navigation spatial()
```
    Returns:
    
    an adjacency-based navigation strategy using the targets' on-screen bounds