ghost-portal/packages/react-components/src/HelpOverlay.tsx
2020-01-06 16:16:50 +01:00

86 lines
1.8 KiB
TypeScript

// Copyright 2017-2020 @polkadot/react-components authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { BareProps } from './types';
import React, { useState } from 'react';
import ReactMd from 'react-markdown';
import styled from 'styled-components';
import Icon from './Icon';
interface Props extends BareProps {
md: string;
}
function HelpOverlay ({ className, md }: Props): React.ReactElement<Props> {
const [isVisible, setIsVisible] = useState(false);
const _toggleVisible = (): void => setIsVisible(!isVisible);
return (
<div className={className}>
<div className='help-button'>
<Icon
name='help circle'
onClick={_toggleVisible}
/>
</div>
<div className={`help-slideout ${isVisible ? 'open' : 'closed'}`}>
<div className='help-button'>
<Icon
name='close'
onClick={_toggleVisible}
/>
</div>
<ReactMd
className='help-content'
escapeHtml={false}
source={md}
/>
</div>
</div>
);
}
export default styled(HelpOverlay)`
.help-button {
cursor: pointer;
font-size: 2rem;
padding: 1.25rem 1.5rem 0 0;
}
> .help-button {
position: absolute;
right: 0rem;
top: 0rem;
}
.help-slideout {
background: #eee;
border-left: 0.25rem solid #ddd;
bottom: 0;
max-width: 50rem;
overflow-y: scroll;
position: fixed;
right: -50rem;
top: 0;
transition-duration: .5s;
transition-property: all;
z-index: 10;
.help-button {
text-align: right;
}
.help-content {
padding: 1rem 1.5rem 5rem;
}
&.open {
right: 0;
}
}
`;