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/*
* SonarQube
* Copyright (C) 2009-2018 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 createReactClass from 'create-react-class';
import PropTypes from 'prop-types';
import { max } from 'd3-array';
import { scaleLinear } from 'd3-scale';
import { sortBy } from 'lodash';
import { TooltipsMixin } from './../mixins/tooltips-mixin';
export function Word(props) {
let tooltipAttrs = {};
if (props.tooltip) {
tooltipAttrs = {
'data-toggle': 'tooltip',
title: props.tooltip
};
}
return (
<a {...tooltipAttrs} style={{ fontSize: props.size }} href={props.link}>
{props.text}
</a>
);
}
Word.propTypes = {
size: PropTypes.number.isRequired,
text: PropTypes.string.isRequired,
tooltip: PropTypes.string,
link: PropTypes.string.isRequired
};
export const WordCloud = createReactClass({
displayName: 'WordCloud',
propTypes: {
items: PropTypes.arrayOf(PropTypes.object).isRequired,
sizeRange: PropTypes.arrayOf(PropTypes.number)
},
mixins: [TooltipsMixin],
getDefaultProps() {
return {
sizeRange: [10, 24]
};
},
render() {
const len = this.props.items.length;
const sortedItems = sortBy(this.props.items, (item, idx) => {
const index = len - idx;
return (index % 2) * (len - index) + index / 2;
});
const sizeScale = scaleLinear()
.domain([0, max(this.props.items, d => d.size)])
.range(this.props.sizeRange);
const words = sortedItems.map((item, index) => (
<Word
key={index}
text={item.text}
size={sizeScale(item.size)}
link={item.link}
tooltip={item.tooltip}
/>
));
return <div className="word-cloud">{words}</div>;
}
});
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