49fdd23d58
* Move secureApi to shell
* Extract isTestnet test
* Use mobx + subscriptions for status
* Re-add status indicator
* Add lerna
* Move intial packages to js/packages
* Move 3rdparty/{email,sms}-verification to correct location
* Move package.json & README to library src
* Move tests for library packages
* Move views & dapps to packages
* Move i18n to root
* Move shell to actual src (main app)
* Remove ~ references
* Change ~ to root (explicit imports)
* Finalise convert of ~
* Move views into dapps as well
* Move dapps to packages/
* Fix references
* Update css
* Update test spec locations
* Update tests
* Case fix
* Skip flakey tests
* Update enzyme
* Skip previously ignored tests
* Allow empty api for hw
* Re-add theme for embed
89 lines
2.1 KiB
JavaScript
89 lines
2.1 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import qrcode from 'qrcode-generator';
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import React, { Component } from 'react';
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import PropTypes from 'prop-types';
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import { calculateType } from './qrSize';
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import styles from './qrCode.css';
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const QROPTS = {
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ERROR_LEVEL: 'M',
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MAX_SIZE: 40,
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MIN_SIZE: 5
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};
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export default class QrCode extends Component {
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static propTypes = {
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className: PropTypes.string,
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margin: PropTypes.number,
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size: PropTypes.number,
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value: PropTypes.string.isRequired
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};
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static defaultProps = {
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margin: 2,
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size: 4
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};
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state = {
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image: null
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};
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componentWillMount () {
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this.generateCode(this.props);
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}
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componentWillReceiveProps (nextProps) {
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const hasChanged = nextProps.value !== this.props.value ||
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nextProps.size !== this.props.size ||
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nextProps.margin !== this.props.margin;
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if (hasChanged) {
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this.generateCode(nextProps);
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}
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}
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render () {
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const { className } = this.props;
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const { image } = this.state;
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return (
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<div
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className={ [styles.qr, className].join(' ') }
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dangerouslySetInnerHTML={ {
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__html: image
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} }
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/>
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);
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}
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generateCode (props) {
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const { margin, size, value } = props;
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const type = calculateType(value.length, QROPTS.ERROR_LEVEL);
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const qr = qrcode(type, QROPTS.ERROR_LEVEL);
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qr.addData(value, 'Byte');
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qr.make();
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this.setState({
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image: qr.createImgTag(size, margin)
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});
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}
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}
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