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import _ from 'underscore';
import React from 'react';
import { Histogram } from '../../../components/charts/histogram';
import { formatMeasure } from '../../../helpers/measures';
import { getLanguages } from '../../../api/languages';
export const LanguageDistribution = React.createClass({
propTypes: {
distribution: React.PropTypes.string.isRequired,
lines: React.PropTypes.number.isRequired
},
componentDidMount () {
this.requestLanguages();
},
requestLanguages () {
getLanguages().then(languages => this.setState({ languages }));
},
getLanguageName (langKey) {
if (this.state && this.state.languages) {
let lang = _.findWhere(this.state.languages, { key: langKey });
return lang ? lang.name : window.t('unknown');
} else {
return langKey;
}
},
cutLanguageName (name) {
return name.length > 10 ? `${name.substr(0, 7)}...` : name;
},
renderBarChart () {
let data = this.props.distribution.split(';').map((point, index) => {
let tokens = point.split('=');
return { x: parseInt(tokens[1], 10), y: index, value: tokens[0] };
});
data = _.sortBy(data, d => -d.x);
let yTicks = data.map(point => this.getLanguageName(point.value)).map(this.cutLanguageName);
let yValues = data.map(point => formatMeasure(point.x / this.props.lines * 100, 'PERCENT'));
return <Histogram data={data}
yTicks={yTicks}
yValues={yValues}
height={data.length * 25}
barsWidth={10}
padding={[0, 60, 0, 80]}/>;
},
render () {
return <div className="overview-bar-chart">
{this.renderBarChart()}
</div>;
}
});
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