85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
import React, { PropTypes } from 'react';
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import InlineSVG from 'react-inlinesvg';
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const upArrowUrl = require('../../../images/up-arrow.svg');
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const downArrowUrl = require('../../../images/down-arrow.svg');
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import classNames from 'classnames';
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/**
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* How many console messages to store
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* @type {Number}
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*/
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const consoleMax = 100;
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class Console extends React.Component {
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constructor(props) {
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super(props);
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/**
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* An array of React Elements that include previous console messages
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* @type {Array}
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*/
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this.children = [];
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}
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componentWillReceiveProps(nextProps) {
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if (nextProps.isPlaying && !this.props.isPlaying) {
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this.children = [];
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} else if (nextProps.consoleEvent !== this.props.consoleEvent) {
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const args = nextProps.consoleEvent.arguments;
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const method = nextProps.consoleEvent.method;
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const nextChild = (
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<div key={this.children.length} className={`preview-console__${method}`}>
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{Object.keys(args).map((key) => <span key={`${this.children.length}-${key}`}>{args[key]}</span>)}
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</div>
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);
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this.children.push(nextChild);
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}
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}
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shouldComponentUpdate(nextProps) {
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return (nextProps.consoleEvent !== this.props.consoleEvent)
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|| (nextProps.isPlaying && !this.props.isPlaying)
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|| (this.props.isExpanded !== nextProps.isExpanded);
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}
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componentDidUpdate() {
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this.refs.console_messages.scrollTop = this.refs.console_messages.scrollHeight;
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}
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render() {
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const childrenToDisplay = this.children.slice(-consoleMax);
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const consoleClass = classNames({
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'preview-console': true,
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'preview-console--collapsed': !this.props.isExpanded
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});
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return (
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<div ref="console" className={consoleClass} role="region" tabIndex="0" title="console">
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<div className="preview-console__header">
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<h2 className="preview-console__header-title">console</h2>
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<button className="preview-console__collapse" onClick={this.props.collapseConsole} aria-label="collapse console">
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<InlineSVG src={downArrowUrl} />
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</button>
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<button className="preview-console__expand" onClick={this.props.expandConsole} aria-label="expand console">
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<InlineSVG src={upArrowUrl} />
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</button>
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</div>
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<div ref="console_messages" className="preview-console__messages">
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{childrenToDisplay}
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</div>
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</div>
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);
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}
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}
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Console.propTypes = {
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consoleEvent: PropTypes.object,
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isPlaying: PropTypes.bool.isRequired,
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isExpanded: PropTypes.bool.isRequired,
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collapseConsole: PropTypes.func.isRequired,
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expandConsole: PropTypes.func.isRequired
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};
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export default Console;
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