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import React, { useCallback, useEffect, useState } from 'react';
import styled from 'styled-components';
import { colors } from '../../config.json';
import { smallText } from './common-styles';
const StyledScopeBar = styled.div({
display: 'flex',
flexDirection: 'row',
backgroundColor: colors.blue40,
borderRadius: '13px',
overflow: 'hidden',
});
interface IScopeBarProps {
defaultSelectedIndex?: number;
onChange?: (selectedIndex: number) => void;
className?: string;
children: React.ReactNode;
}
export function ScopeBar(props: IScopeBarProps) {
const [selectedIndex, setSelectedIndex] = useState(props.defaultSelectedIndex ?? 0);
const onClick = useCallback((index: number) => setSelectedIndex(index), []);
useEffect(() => {
props.onChange?.(selectedIndex);
}, [selectedIndex]);
const children = React.Children.map(props.children, (child, index) => {
if (React.isValidElement(child)) {
return React.cloneElement(child, {
selected: index === selectedIndex,
onClick,
index,
});
} else {
return undefined;
}
});
return <StyledScopeBar className={props.className}>{children}</StyledScopeBar>;
}
const StyledScopeBarItem = styled.button(smallText, (props: { selected?: boolean }) => ({
cursor: 'default',
flex: 1,
flexBasis: 0,
padding: '4px 8px',
color: colors.white,
textAlign: 'center',
border: 'none',
backgroundColor: props.selected ? colors.green : 'transparent',
':hover': {
backgroundColor: props.selected ? colors.green : colors.blue40,
},
}));
interface IScopeBarItemProps {
index?: number;
selected?: boolean;
onClick?: (index: number) => void;
children?: React.ReactNode;
}
export function ScopeBarItem(props: IScopeBarItemProps) {
const onClick = useCallback(() => {
if (props.index !== undefined) {
props.onClick?.(props.index);
}
}, [props.onClick, props.index]);
return props.index !== undefined ? (
<StyledScopeBarItem selected={props.selected} onClick={onClick}>
{props.children}
</StyledScopeBarItem>
) : null;
}
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