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metamask-extension/ui/components/component-library/modal-content/README.mdx

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import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import { ModalContent } from './modal-content';
# ModalContent
`ModalContent` is the container for the modal dialog's content. It uses context supplied by the `Modal` component and cannot be used without it.
<Canvas>
<Story id="components-componentlibrary-modalcontent--default-story" />
</Canvas>
## Props
The `ModalContent` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) component props
<ArgsTable of={ModalContent} />
### Children
Use the `children` prop to render the content of `ModalContent`. The `ModalContent` should generally be used with the `ModalHeader` component.
<Canvas>
<Story id="components-componentlibrary-modalcontent--children" />
</Canvas>
```jsx
import React, { useState } from 'react';
import { Modal, ModalContent, ModalHeader, Text, Button, BUTTON_VARIANT } from '../../component-library';
const [show, setShow] = useState(false);
const handleOnClick = () => {
setShow(!show);
};
<Button variant={BUTTON_VARIANT.PRIMARY} onClick={handleOnClick}>
Open
</Button>
<Modal isOpen={show} onClose={handleOnClick}>
<ModalContent {...args}>
<ModalHeader marginBottom={4}>Modal Header</ModalHeader>
<Text marginBottom={4}>Modal Content</Text>
<Button variant={BUTTON_VARIANT.PRIMARY} onClick={handleOnClick}>
Close
</Button>
<LoremIpsum />
<LoremIpsum />
<LoremIpsum />
<LoremIpsum />
<LoremIpsum />
</ModalContent>
</Modal>
```
### Size
Currently the `ModalContent` supports a single size, this decision was made after we ran an audit on all modal sizes in the extension codebase and found that all modals could be made to fit the `ModalContentSize.Sm`(360px) size.
If you do require a larger modal size you can use the `modalDialogProps` to add a className to override the default size.
<Canvas>
<Story id="components-componentlibrary-modalcontent--size" />
</Canvas>
```jsx
import { DISPLAY } from '../../../helpers/constants/design-system';
import Box from '../../ui/box';
import { Modal, ModalContent, Text, Button, BUTTON_VARIANT } from '../../component-library';
enum ModalContentSizeStoryOption {
Sm = 'sm',
ClassName = 'className',
}
const [show, setShow] = useState({
sm: false,
className: false,
});
const handleOnClick = (size: ModalContentSizeStoryOption) => {
setShow({ ...show, [size]: !show[size] });
};
<Box display={DISPLAY.FLEX} gap={4}>
<Button
variant={BUTTON_VARIANT.SECONDARY}
onClick={() => handleOnClick(ModalContentSizeStoryOption.Sm)}
>
Show sm size
</Button>
<Button
variant={BUTTON_VARIANT.SECONDARY}
onClick={() => handleOnClick(ModalContentSizeStoryOption.ClassName)}
>
Show className
</Button>
</Box>
<Modal
isOpen={show.sm}
onClose={() => handleOnClick(ModalContentSizeStoryOption.Sm)}
>
<ModalContent {...args}>
<Text marginBottom={4}>
ModalContentSize.Sm default and only size 360px max-width
</Text>
<Button onClick={() => setShow({ ...show, sm: false })}>Close</Button>
</ModalContent>
</Modal>
<Modal
isOpen={show.className}
onClose={() => handleOnClick(ModalContentSizeStoryOption.ClassName)}
>
<ModalContent
{...args}
modalDialogProps={{
style: { maxWidth: 800 },
}}
>
<Text marginBottom={4}>
Using modalDialogProps and adding a className setting a max width
(max-width: 800px)
</Text>
<Button onClick={() => setShow({ ...show, className: false })}>
Close
</Button>
</ModalContent>
</Modal>
```