csslayout/client/patterns/mega-menu/Details.tsx

/**
 * A collection of popular layouts and patterns made with CSS (https://csslayout.io)
 * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
 */

import React from 'react';
import { Helmet } from 'react-helmet';

import './mega-menu.css';

import RelatedPatterns from '../../components/RelatedPatterns';
import Pattern from '../../constants/Pattern';
import DetailsLayout from '../../layouts/DetailsLayout';
import Block from '../../placeholders/Block';
import BrowserFrame from '../../placeholders/BrowserFrame';
import Rectangle from '../../placeholders/Rectangle';
import Triangle from '../../placeholders/Triangle';

const Details: React.FC<{}> = () => {
    return (
        <DetailsLayout title="Mega menu">
            <Helmet>
                <meta name="description" content="Create a mega menu with CSS" />
                <meta name="keywords" content="css mega menu" />
            </Helmet>
            <div style={{ padding: '64px 32px' }}>
                <div style={{ lineHeight: 1.5, marginBottom: '16px' }}>
                    Move the mouse over the seccond navigation item to see the mega menu.
                </div>
                <BrowserFrame
                    content={(
                        <div style={{ padding: '8px' }}>
                            <div className='p-mega-menu-container'>
                                <div
                                    style={{
                                        alignItems: 'center',
                                        border: '1px solid rgba(0, 0, 0, 0.3)',
                                        display: 'inline-flex',
                                        justifyContent: 'center',
                                    }}
                                >
                                    <div
                                        style={{
                                            borderRight: '1px solid rgba(0, 0, 0, 0.3)',
                                            padding: '16px',
                                            width: '150px',
                                        }}
                                    >
                                        <Rectangle />
                                    </div>
                                    <div
                                        className='p-mega-menu-trigger'
                                        style={{
                                            borderRight: '1px solid rgba(0, 0, 0, 0.3)',
                                            width: '180px',
                                        }}
                                    >
                                        <div style={{ display: 'flex', padding: '16px' }}>
                                            <div style={{ flex: 1, marginRight: '8px' }}><Rectangle /></div>
                                            <Triangle size={8} corner='b' />
                                        </div>
                                        <div className='p-mega-menu-content'>
                                            <div style={{ display: 'flex' }}>
                                                <div style={{ flex: 1, padding: '16px' }}>
                                                    <Block numberOfBlocks={10} />
                                                </div>
                                                <div style={{ flex: 1, padding: '16px' }}>
                                                    <Block numberOfBlocks={6} />
                                                </div>
                                                <div style={{ flex: 1, padding: '16px' }}>
                                                    <Block numberOfBlocks={8} />
                                                </div>
                                                <div style={{ flex: 1, padding: '16px' }}>
                                                    <Block numberOfBlocks={6} />
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                    <div
                                        style={{
                                            padding: '16px',
                                            width: '120px',
                                        }}
                                    >
                                        <Rectangle />
                                    </div>
                                </div>
                            </div>

                            <div style={{ marginTop: '16px' }}>
                                <Block numberOfBlocks={10} />
                            </div>
                        </div>
                    )}
                    source={`
<style>
.p-mega-menu-container {
    /* Used to position the mega menu */
    position: relative;
}

.p-mega-menu-content {
    /* Border */
    border: 1px solid rgba(0, 0, 0, 0.3);
    margin-top: -1px;

    /* Hidden by default */
    display: none;

    /* Absolute position */
    left: 0px;
    position: absolute;
    top: 100%;

    /* Take full width */
    width: 100%;

    /* Displayed on top of other elements */
    background: #fff;
    z-index: 9999;
}

.p-mega-menu-trigger:hover .p-mega-menu-content {
    /* Show the mega menu when hovering the trigger item */
    display: block;
}
</style>

<div class="p-mega-menu-container">
    <!-- Item -->
    ...

    <!-- An item that triggers displaying the mega menu -->
    <div class="p-mega-menu-trigger">
        <!-- The trigger item's content -->
        <div>...</div>

        <!-- Mega menu -->
        <div class="p-mega-menu-content">
            ...
        </div>
    </div>
</div>
`}
                />
            </div>

            <RelatedPatterns patterns={[Pattern.Dropdown, Pattern.Menu, Pattern.NestedDropdowns]} />
        </DetailsLayout>
    );
};

export default Details;