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time-slider-marker.js
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time-slider-marker.js
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// Copyright (c) 2019 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, {Component, createRef} from 'react';
import PropTypes from 'prop-types';
import {scaleUtc} from 'd3-scale';
import {select} from 'd3-selection';
import {axisBottom} from 'd3-axis';
import {createSelector} from 'reselect';
import styled from 'styled-components';
const TimeSliderContainer = styled.svg`
pointer-events: none;
position: absolute;
top: 0;
.axis text {
font-size: 9px;
fill: ${props => props.theme.textColor};
}
.axis line,
.axis path {
fill: none;
stroke: ${props => props.theme.sliderBarBgd};
shape-rendering: crispEdges;
stroke-width: 2;
}
.axis .domain {
display: none;
}
.value {
fill: ${props => props.theme.textColor};
font-size: 10px;
&.start {
text-anchor: start;
}
&.end {
text-anchor: end;
}
}
`;
const height = 30;
export default class TimeSliderMarker extends Component {
static propTypes = {
domain: PropTypes.arrayOf(PropTypes.any).isRequired,
width: PropTypes.number.isRequired
};
componentDidMount() {
this._updateAxis(this.scaleSelector(this.props));
}
componentDidUpdate(prevProps) {
if (this.scaleSelector(this.props) !== this.scaleSelector(prevProps)) {
this._updateAxis(this.scaleSelector(this.props));
}
}
xAxis = createRef();
domainSelector = props => props.domain;
widthSelector = props => props.width;
scaleSelector = createSelector(
this.domainSelector,
this.widthSelector,
(domain, width) =>
Array.isArray(domain)
? scaleUtc()
.domain(domain)
.range([0, width])
: null
);
_updateAxis(scale) {
if (!scale) {
return;
}
const xAxis = axisBottom(scale)
.ticks(4)
.tickSize(8)
.tickPadding(6);
select(this.xAxis.current)
.call(xAxis);
}
render() {
return (
<TimeSliderContainer
className="time-slider-marker"
width={this.props.width}
height={height}
>
<g className="x axis" ref={this.xAxis} transform="translate(0, 0)" />
</TimeSliderContainer>
);
}
};