website/sdds-dfa-docs/docs/_examples/_popover/_refObject.mdx - dev - sdds/plasma

website/sdds-dfa-docs/docs/_examples/_popover/_refObject.mdx
80 строк3 KB
Alexander Lobyntsev
docs(popover): rework examples [PLASMA-6798]
17 мар 2026, 10:09
17 мар 2026, 10:0948851b1
```tsx live
import React, { useRef, useState } from 'react';
import styled from "styled-components";
import { surfaceSolidTertiary } from "@salutejs/sdds-themes/tokens";
import { Popover, Button, H4, ButtonGroup } from '@salutejs/sdds-dfa';

export function App() {
    const [isOpen, setIsOpen] = useState(false);

    // INFO: Type ref HTMLButtonElement | null
    const targetRef = useRef(null);
    const targetRef2 = useRef(null);
    const targetRef3 = useRef(null);

    const refs = [targetRef, targetRef2, targetRef3];

    const [currRefIndex, setCurrentRefIndex] = useState(0);
    const [currentRef, setCurrentRef] = useState(targetRef);

    const changeRef = () => {
        let ind = currRefIndex + 1;

        if (ind > refs.length - 1) {
            setCurrentRefIndex(0);
            ind = 0;
        }

        setCurrentRefIndex(ind);
        setCurrentRef(refs[ind]);
    };

    const StyledContent = styled.div`
        display: flex;
        flex-direction: column;
        align-items: center;

        padding: 1rem;
        background-color: ${surfaceSolidTertiary};
    `;

    return (
        <section style={{ display: 'flex', width: "100%", "justify-content": 'center', height: '16rem' }}>
            <Popover
                opened={isOpen}
                onToggle={(is) => setIsOpen(is)}
                role="presentation"
                id="popover"
                target={currentRef}
                offset={[0, 6]}
                placement='bottom'
                trigger='click'
                hasArrow
                closeOnOverlayClick
                closeOnEsc
                isFocusTrapped
            >
                <StyledContent>
                    <H4>Заголовок H4</H4>
                    <ButtonGroup style={{ "justify-content": 'flex-end', paddingTop: '24px' }} isCommonButtonStyles={false} gap="wide">
                        <Button view="accent" onClick={() => setIsOpen(false)}>Принять</Button>
                        <Button onClick={() => setIsOpen(false)}>Закрыть</Button>
                    </ButtonGroup>
                </StyledContent>
            </Popover>

            <Button onClick={changeRef}>
                Change targetAsRef to Target {currRefIndex + 1 > refs.length - 1 ? 0 : currRefIndex + 1}
            </Button>

            <div style={{ padding: '5rem' }}>Current Target: {currRefIndex}</div>

            <ButtonGroup style={{ "justify-content": 'flex-end' }} isCommonButtonStyles={false} gap="wide">
                <Button ref={targetRef}>Target 0</Button>
                <Button view="secondary" ref={targetRef2}>Target 1</Button>
                <Button view="accent" ref={targetRef3}>Target 2</Button>
            </ButtonGroup>
        </>
    );
}
```