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/**
* Copyright (C) 2018 Noah Loomans
*
* This file is part of rooster.hetmml.nl.
*
* rooster.hetmml.nl is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* rooster.hetmml.nl is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rooster.hetmml.nl. If not, see <http://www.gnu.org/licenses/>.
*
*/
import React from 'react';
import PropTypes from 'prop-types';
import createDOMPurify from 'dompurify';
class Schedule extends React.Component {
static propTypes = {
htmlStr: PropTypes.string.isRequired,
};
constructor(props) {
super(props);
this.updateScaling = this.updateScaling.bind(this);
}
componentDidMount() {
window.addEventListener('resize', this.updateScaling);
this.updateScaling();
}
componentDidUpdate(prevProps) {
const { htmlStr } = this.props;
if (prevProps.htmlStr !== htmlStr) {
this.updateScaling();
}
}
componentWillUnmount() {
window.removeEventListener('resize', this.updateScaling);
}
updateScaling() {
const windowWidth = document.body.clientWidth;
const tableNode = this.scheduleDiv.querySelector('table');
if (!tableNode) return;
// We want a 16px margin on both sides, this marging will be scaled with
// the entire schedule.
const tableWidth = tableNode.offsetWidth + 32;
let scale = windowWidth / tableWidth;
if (scale > 1) {
scale = 1;
}
this.scheduleDiv.style.transform = `scale(${scale})`;
this.scheduleDiv.style.transformOrigin = 'left top';
this.scheduleDiv.style.margin = `${16 * scale}px`;
}
render() {
const { htmlStr } = this.props;
const DOMPurify = createDOMPurify(window);
const cleanHTML = DOMPurify.sanitize(htmlStr, {
ADD_ATTR: ['rules'],
});
return (
<div
// eslint-disable-next-line react/no-danger
dangerouslySetInnerHTML={{ __html: cleanHTML }}
ref={(div) => { this.scheduleDiv = div; }}
/>
);
}
}
export default Schedule;
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