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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 d3 from 'd3';
import React from 'react';
import { ResizeMixin } from './../mixins/resize-mixin';
import { TooltipsMixin } from './../mixins/tooltips-mixin';
const Sector = React.createClass({
render () {
const arc = d3.svg.arc()
.outerRadius(this.props.radius)
.innerRadius(this.props.radius - this.props.thickness);
return <path d={arc(this.props.data)} style={{ fill: this.props.fill }}/>;
}
});
export const DonutChart = React.createClass({
propTypes: {
data: React.PropTypes.arrayOf(React.PropTypes.object).isRequired
},
mixins: [ResizeMixin, TooltipsMixin],
getDefaultProps () {
return { thickness: 6, padding: [0, 0, 0, 0] };
},
getInitialState () {
return { width: this.props.width, height: this.props.height };
},
render () {
if (!this.state.width || !this.state.height) {
return <div/>;
}
const availableWidth = this.state.width - this.props.padding[1] - this.props.padding[3];
const availableHeight = this.state.height - this.props.padding[0] - this.props.padding[2];
const size = Math.min(availableWidth, availableHeight);
const radius = Math.floor(size / 2);
const pie = d3.layout.pie()
.sort(null)
.value(d => d.value);
const sectors = pie(this.props.data).map((d, i) => {
return (
<Sector
key={i}
data={d}
radius={radius}
fill={this.props.data[i].fill}
thickness={this.props.thickness}/>
);
});
return (
<svg className="donut-chart" width={this.state.width} height={this.state.height}>
<g transform={`translate(${this.props.padding[3]}, ${this.props.padding[0]})`}>
<g transform={`translate(${radius}, ${radius})`}>
{sectors}
</g>
</g>
</svg>
);
}
});
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