clock-example.js

// Copyright (c) 2016 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

import React from 'react';

import {XYPlot, ArcSeries} from 'index';

import {EXTENDED_DISCRETE_COLOR_RANGE} from 'theme';

const PI = Math.PI;

function getSeconds() {
  return Math.floor(new Date().getTime() / 1000);
}

export default class ClockExample extends React.Component {
  state = {
    time: 0
  };

  componentDidMount() {
    this._timerId = setInterval(() => this.setState({time: getSeconds()}), 100);
  }

  componentWillUnmount() {
    clearInterval(this._timerId);
    this.setState({timerId: false});
  }

  render() {
    const {time} = this.state;
    const seconds = time % 60;
    const minutes = (time / 60) % 60;
    const hours = (time / (60 * 24)) % 24;
    return (
      <XYPlot
        xDomain={[-3, 3]}
        yDomain={[-3, 3]}
        width={300}
        getAngle={d => d.time}
        getAngle0={d => 0}
        height={300}
      >
        <ArcSeries
          animation={{
            damping: 9,
            stiffness: 300
          }}
          radiusDomain={[0, 3]}
          data={[
            {time: (seconds / 60) * 2 * PI, radius0: 1, radius: 1.5, color: 0},
            {
              time: (minutes / 60) * 2 * PI,
              radius0: 1.6,
              radius: 2.1,
              color: 1
            },
            {time: (hours / 24) * 2 * PI, radius0: 2.2, radius: 2.7, color: 2}
          ]}
          colorRange={EXTENDED_DISCRETE_COLOR_RANGE}
        />
      </XYPlot>
    );
  }
}