# Layout

Generates layout containers supporting various layout types including tab, accordion, border, hbox, and vbox.

## Syntax

```boxlang
<bx:layout 
    type="string"
    align="string"
    fillHeight="boolean"
    fitToWindow="boolean"
    height="string"
    width="string"
    style="string"
    id="string"
    class="string"
    name="string">
    <!-- layoutarea children -->
</bx:layout>
```

## Attributes

| Attribute     | Type      | Required | Description                                     | Default        |
| ------------- | --------- | -------- | ----------------------------------------------- | -------------- |
| `type`        | `string`  | **Yes**  | Layout type: tab, accordion, border, hbox, vbox |                |
| `align`       | `string`  | No       | Content alignment: left, center, right, justify |                |
| `fillHeight`  | `boolean` | No       | Fill available height                           | `false`        |
| `fitToWindow` | `boolean` | No       | Fill entire window viewport                     | `false`        |
| `height`      | `string`  | No       | CSS height value                                |                |
| `width`       | `string`  | No       | CSS width value                                 |                |
| `style`       | `string`  | No       | Additional CSS styles                           |                |
| `id`          | `string`  | No       | HTML element ID                                 | Auto-generated |
| `class`       | `string`  | No       | Additional CSS classes                          |                |
| `name`        | `string`  | No       | Component name identifier                       |                |

## Examples

### Tab Layout

```boxlang
<bx:layout type="tab" height="400px">
    <bx:layoutarea title="Tab 1" selected="true">
        <p>Content for the first tab</p>
    </bx:layoutarea>
    <bx:layoutarea title="Tab 2">
        <p>Content for the second tab</p>
    </bx:layoutarea>
</bx:layout>
```

### Accordion Layout

```boxlang
<bx:layout type="accordion" width="300px">
    <bx:layoutarea title="Section 1" collapsible="true">
        <p>Collapsible section content</p>
    </bx:layoutarea>
    <bx:layoutarea title="Section 2" collapsed="false">
        <p>Another section of content</p>
    </bx:layoutarea>
</bx:layout>
```

### Border Layout

```boxlang
<bx:layout type="border" fitToWindow="true">
    <bx:layoutarea position="north" height="60px">
        Header content
    </bx:layoutarea>
    <bx:layoutarea position="center">
        Main content area
    </bx:layoutarea>
    <bx:layoutarea position="south" height="30px">
        Footer content
    </bx:layoutarea>
</bx:layout>
```

### Horizontal Box Layout

```boxlang
<bx:layout type="hbox" align="center">
    <bx:layoutarea flex="1">
        <p>Left panel</p>
    </bx:layoutarea>
    <bx:layoutarea flex="2">
        <p>Center panel (wider)</p>
    </bx:layoutarea>
    <bx:layoutarea flex="1">
        <p>Right panel</p>
    </bx:layoutarea>
</bx:layout>
```

## Layout Types

* **tab**: Tabbed interface with clickable tab headers
* **accordion**: Collapsible sections that expand/collapse
* **border**: Five-region layout (north, south, east, west, center)
* **hbox**: Horizontal box layout with flexible widths
* **vbox**: Vertical box layout with flexible heights

## Usage Notes

* Must contain `<bx:layoutarea>` child components
* Each layout type has specific requirements for layoutarea attributes
* Requires BoxLang AJAX JavaScript files for interactive functionality
* The `type` attribute is required and determines the layout behavior

## Related Components

* [LayoutArea](/boxlang-framework/modularity/ui-compatibility/reference/components/layoutarea.md) - Define areas within layouts
* [AjaxImport](/boxlang-framework/modularity/ui-compatibility/reference/components/ajaximport.md) - Import required AJAX files


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