# DisclosureMenu
A component to be used for making dropup/down/left/right menus i.e. Disclosure
Menus. Please see both Disclosure and Menu components for more details.
The component does not make any guesses around whether you want the panel to
be on another DOM layer/absolutely positioned so you should apply that layout
yourself, but it's root node is relatively positioned to help for the fairly
common usecase of having a floating menu.
```hbs preview-template
<figure>
<figcaption>
Non-floating Menu
</figcaption>
<DisclosureMenu as |disclosure|>
<disclosure.Action
{{on 'click' disclosure.toggle}}
>
{{if disclosure.expanded 'Close' 'Open'}}
</disclosure.Action>
<disclosure.Menu as |menu|>
<menu.Item>
<menu.Action>Item 1</menu.Action>
</menu.Item>
<menu.Item>
<menu.Action>Item 2</menu.Action>
</menu.Item>
</disclosure.Menu>
</DisclosureMenu>
</figure>
<figure>
<figcaption>
Floating Menu
</figcaption>
<DisclosureMenu as |disclosure|>
<disclosure.Action
{{on 'click' disclosure.toggle}}
{{css-prop 'height' returns=(set this 'height')}}
>
{{if disclosure.expanded 'Close' 'Open'}}
</disclosure.Action>
<disclosure.Menu
style={{style-map
(array 'position' 'absolute')
(array 'top' this.height)
(array 'background-color' 'rgb(var(--tone-gray-000))')
}}
as |menu|>
<menu.Item>
<menu.Action>Item 1</menu.Action>
</menu.Item>
<menu.Item>
<menu.Action>Item 2</menu.Action>
</menu.Item>
</disclosure.Menu>
</DisclosureMenu>
</figure>
```
## Arguments
| Argument | Type | Default | Description |
| --- | --- | --- | --- |
| `expanded` | `Boolean` | false | The _initial_ state of the disclosure. Please note: this is the _initial_ state only, please use the `disclosure.open` and `disclosure.close` for controling the state. |
## Exported API
| Name | Type | Description |
| --- | --- | --- |
| `Action` | `GlimmerComponent` | A contextual '<Action />' component with aria attributes correctly applied, please note you still need to add an 'on' modifier here so you can control whether it opens on click/hover etc |
| `Menu` | `MenuComponent` | A contextual '<Menu />' component already wrapped in a disclosure.Details component |
| `toggle` | `Function` | Toggle the open/close state of the disclosure |
| `expanded` | `Boolean` | Whether the disclosure is 'expanded' or not |
| `disclosure` | `DisclosureComponentAPI` | A reference to the full DisclosureComponentAPI |
### menu.Action
An `<Action />` component with the correct aria attributes added.
### menu.Menu
A `<Menu />` component with the correct aria attributes added.
## See
- [Template Source Code](./index.hbs)
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