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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import {FormattedMessage} from 'mm-intl';
export default class DoughnutChart extends React.Component {
constructor(props) {
super(props);
this.initChart = this.initChart.bind(this);
this.chart = null;
}
componentDidMount() {
this.initChart(this.props);
}
componentWillReceiveProps(nextProps) {
if (this.chart) {
this.chart.destroy();
this.initChart(nextProps);
}
}
componentWillUnmount() {
if (this.chart) {
this.chart.destroy();
}
}
initChart(props) {
var el = ReactDOM.findDOMNode(this.refs.canvas);
var ctx = el.getContext('2d');
this.chart = new Chart(ctx).Doughnut(props.data, props.options || {}); //eslint-disable-line new-cap
}
render() {
let content;
if (this.props.data == null) {
content = (
<FormattedMessage
id='analytics.chart.loading'
defaultMessage='Loading...'
/>
);
} else {
content = (
<canvas
ref='canvas'
width={this.props.width}
height={this.props.height}
/>
);
}
return (
<div className='col-sm-6'>
<div className='total-count'>
<div className='title'>
{this.props.title}
</div>
<div className='content'>
{content}
</div>
</div>
</div>
);
}
}
DoughnutChart.propTypes = {
title: React.PropTypes.node,
width: React.PropTypes.string,
height: React.PropTypes.string,
data: React.PropTypes.array,
options: React.PropTypes.object
};
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