katoikia-app/web-ui/web-react/src/BlockViewer.js

import React, { useState } from 'react';
import { classNames } from 'primereact/utils';
import { CodeHighlight } from './templates/CodeHighlight';

const BlockViewer = (props) => {

    const [blockView, setBlockView] = useState('PREVIEW')

    const copyCode = async (event) => {
        await navigator.clipboard.writeText(props.code);
        event.preventDefault();
    }

    return (
        <div className="block-viewer">
            <div className="block-section">
                <div className="block-header">
                    <span className="block-title">
                        <span>{props.header}</span>
                        {props.new && <span className="badge-new">New</span>}
                    </span>
                    <div className="block-actions">
                        <button tabIndex="0" className={classNames('p-link', { 'block-action-active': blockView === 'PREVIEW' })} onClick={() => setBlockView('PREVIEW')}><span>Preview</span></button>
                        <button className={classNames('p-link', { 'block-action-active': blockView === 'CODE' })} onClick={() => setBlockView('CODE')} >
                            <span>Code</span>
                        </button>
                        <button tabIndex="0" className="p-link block-action-copy" onClick={copyCode}>
                            <i className="pi pi-copy"></i>
                        </button>
                    </div>
                </div>
                <div className="block-content">
                    {blockView === 'PREVIEW' &&
                        <div className={props.containerClassName} style={props.previewStyle}>
                            {props.children}
                        </div>}

                    {blockView === 'CODE' &&
                        <CodeHighlight>
                            {props.code}
                        </CodeHighlight>
                    }
                </div>
            </div>
        </div>
    )
}

export default BlockViewer;