p5.js-web-editor/client/modules/IDE/components/Console.js

57 lines
1.4 KiB
JavaScript

import React, { PropTypes } from 'react';
/**
* How many console messages to store
* @type {Number}
*/
const consoleMax = 5;
class Console extends React.Component {
constructor(props) {
super(props);
/**
* An array of React Elements that include previous console messages
* @type {Array}
*/
this.children = [];
}
componentWillReceiveProps(nextProps) {
if (nextProps.isPlaying && !this.props.isPlaying) {
this.children = [];
} else if (nextProps.consoleEvent !== this.props.consoleEvent) {
const args = nextProps.consoleEvent.arguments;
const method = nextProps.consoleEvent.method;
const nextChild = (
<div key={this.children.length} className={method}>
{Object.keys(args).map((key) => <span key={`${this.children.length}-${key}`}>{args[key]}</span>)}
</div>
);
this.children.push(nextChild);
}
}
shouldComponentUpdate(nextProps) {
return (nextProps.consoleEvent !== this.props.consoleEvent) || (nextProps.isPlaying && !this.props.isPlaying);
}
render() {
const childrenToDisplay = this.children.slice(-consoleMax);
return (
<div ref="console" className="preview-console">
{childrenToDisplay}
</div>
);
}
}
Console.propTypes = {
consoleEvent: PropTypes.object,
isPlaying: PropTypes.bool.isRequired
};
export default Console;