packages/showcase/axes/dynamic-hints.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,
  XAxis,
  YAxis,
  VerticalGridLines,
  HorizontalGridLines,
  MarkSeries,
  Hint
} from 'react-vis';

export default class Example extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      value: null
    };
  }

  _forgetValue = () => {
    this.setState({
      value: null
    });
  };

  _rememberValue = value => {
    this.setState({value});
  };

  render() {
    const {value} = this.state;
    return (
      <XYPlot width={300} height={300}>
        <VerticalGridLines />
        <HorizontalGridLines />
        <XAxis />
        <YAxis />
        <MarkSeries
          onValueMouseOver={this._rememberValue}
          onValueMouseOut={this._forgetValue}
          data={[
            {x: 1, y: 10},
            {x: 2, y: 5},
            {x: 3, y: 15}
          ]}
        />
        {value ? <Hint value={value} /> : null}
      </XYPlot>
    );
  }
}