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/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import React from 'react';
import shallowCompare from 'react-addons-shallow-compare';
import { max } from 'd3-array';
import { LineChart } from '../../../components/charts/line-chart';
const HEIGHT = 80;
export default class Timeline extends React.Component {
static propTypes = {
history: React.PropTypes.arrayOf(React.PropTypes.object).isRequired,
before: React.PropTypes.object,
after: React.PropTypes.object
};
shouldComponentUpdate(nextProps, nextState) {
return shallowCompare(this, nextProps, nextState);
}
filterSnapshots() {
const { history, before, after } = this.props;
return history.filter(s => {
const matchBefore = !before || s.date <= before;
const matchAfter = !after || s.date >= after;
return matchBefore && matchAfter;
});
}
render() {
const snapshots = this.filterSnapshots();
if (snapshots.length < 2) {
return null;
}
const data = snapshots.map((snapshot, index) => {
return { x: index, y: snapshot.value };
});
const domain = [0, max(this.props.history, d => d.value)];
return (
<LineChart
data={data}
domain={domain}
interpolate="basis"
displayBackdrop={true}
displayPoints={false}
displayVerticalGrid={false}
height={HEIGHT}
padding={[0, 0, 0, 0]}
/>
);
}
}
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