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70 lines
4.0 KiB
Markdown
70 lines
4.0 KiB
Markdown
---
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category: Components
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group: Navigation
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title: Dropdown
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*mBBcQ6goljkAAAAAAAAAAAAADrJ8AQ/original
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demo:
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cols: 2
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---
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A dropdown list.
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## When To Use
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When there are more than a few options to choose from, you can wrap them in a `Dropdown`. By hovering or clicking on the trigger, a dropdown menu will appear, which allows you to choose an option and execute the relevant action.
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## Examples
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<!-- prettier-ignore -->
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<code src="./demo/basic.tsx">Basic</code>
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<code src="./demo/placement.tsx">Placement</code>
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<code src="./demo/arrow.tsx">Arrow</code>
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<code src="./demo/item.tsx">Other elements</code>
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<code src="./demo/arrow-center.tsx">Arrow pointing at the center</code>
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<code src="./demo/trigger.tsx">Trigger mode</code>
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<code src="./demo/event.tsx">Click event</code>
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<code src="./demo/dropdown-button.tsx">Button with dropdown menu</code>
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<code src="./demo/custom-dropdown.tsx">Custom dropdown</code>
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<code src="./demo/sub-menu.tsx">Cascading menu</code>
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<code src="./demo/overlay-open.tsx">The way of hiding menu.</code>
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<code src="./demo/context-menu.tsx">Context Menu</code>
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<code src="./demo/loading.tsx">Loading</code>
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<code src="./demo/selectable.tsx">Selectable Menu</code>
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<code src="./demo/menu-full.tsx" debug>Menu full styles</code>
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<code src="./demo/render-panel.tsx" debug>\_InternalPanelDoNotUseOrYouWillBeFired</code>
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## API
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### Dropdown
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| arrow | Whether the dropdown arrow should be visible | boolean \| { pointAtCenter: boolean } | false | |
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| autoAdjustOverflow | Whether to adjust dropdown placement automatically when dropdown is off screen | boolean | true | 5.2.0 |
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| autoFocus | Focus element in `overlay` when opened | boolean | false | 4.21.0 |
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| disabled | Whether the dropdown menu is disabled | boolean | - | |
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| destroyPopupOnHide | Whether destroy dropdown when hidden | boolean | false | |
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| dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.24.0 |
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| getPopupContainer | To set the container of the dropdown menu. The default is to create a div element in body, but you can reset it to the scrolling area and make a relative reposition. [Example on CodePen](https://codepen.io/afc163/pen/zEjNOy?editors=0010) | (triggerNode: HTMLElement) => HTMLElement | () => document.body | |
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| menu | The menu props | [MenuProps](/components/menu/#api) | - | 4.24.0 |
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| overlayClassName | The class name of the dropdown root element | string | - | |
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| overlayStyle | The style of the dropdown root element | CSSProperties | - | |
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| placement | Placement of popup menu: `bottom` `bottomLeft` `bottomRight` `top` `topLeft` `topRight` | string | `bottomLeft` | |
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| trigger | The trigger mode which executes the dropdown action. Note that hover can't be used on touchscreens | Array<`click`\|`hover`\|`contextMenu`> | \[`hover`] | |
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| open | Whether the dropdown menu is currently open. Use `visible` under 4.23.0 ([why?](/docs/react/faq#why-open)) | boolean | - | 4.23.0 |
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| onOpenChange | Called when the open state is changed. Not trigger when hidden by click item. Use `onVisibleChange` under 4.23.0 ([why?](/docs/react/faq#why-open)) | (open: boolean) => void | - | 4.23.0 |
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### Dropdown.Button
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Same props from Dropdown. And includes additional props:
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| buttonsRender | Custom buttons inside Dropdown.Button | (buttons: ReactNode\[]) => ReactNode\[] | - | |
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| loading | Set the loading status of button | boolean \| { delay: number } | false | |
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| danger | Set the danger status of button | boolean | - | 4.23.0 |
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| icon | Icon (appears on the right) | ReactNode | - | |
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| size | Size of the button, the same as [Button](/components/button/#api) | string | `default` | |
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| type | Type of the button, the same as [Button](/components/button/#api) | string | `default` | |
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| onClick | The same as [Button](/components/button/#api): called when you click the button on the left | (event) => void | - | |
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