# SidebarComponent

A column of navigation that folds into a rail of icons.

```java
SidebarComponent nav = add(new SidebarComponent(at(new Box("nav", 0, 0, 110, 200)), this)
        .groups(Group.of("World",
                        Item.of("Map").icon(Icon.GLOBE),
                        Item.of("Players").icon(Icon.CHIP).badge("12"),
                        Item.of("Files").icon(Icon.FOLDER).children(Item.of("Saves"), Item.of("Logs").badge("!", Tone.WARN))),
                Group.of("Look", Item.of("Theme").icon(Icon.PALETTE)))
        .onSelect(this::open)
        .onCollapse(rail -> placeContent(nav.currentWidth())));
// ... the other widgets ...
add(nav.menu()); // last: what a nested item opens from the rail
```

## Variants

- Nav
- Rail

Page: https://minuit.dryaides.com/components/sidebar.html