kristw commented on a change in pull request #5758: [SIP-5] Refactor and
improve histogram
URL:
https://github.com/apache/incubator-superset/pull/5758#discussion_r213864985
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File path: superset/assets/src/visualizations/Histogram.jsx
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@@ -0,0 +1,131 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import { Histogram, BarSeries, XAxis, YAxis } from '@data-ui/histogram';
+import { chartTheme } from '@data-ui/theme';
+import { LegendOrdinal } from '@vx/legend';
+import { scaleOrdinal } from '@vx/scale';
+import { getColorFromScheme } from '../modules/colors';
+import './histogram.css';
+
+const propTypes = {
+ className: PropTypes.string,
+ data: PropTypes.arrayOf(PropTypes.shape({
+ key: PropTypes.string,
+ values: PropTypes.arrayOf(PropTypes.number),
+ })).isRequired,
+ width: PropTypes.number.isRequired,
+ height: PropTypes.number.isRequired,
+ colorScheme: PropTypes.string,
+ normalized: PropTypes.bool,
+ binCount: PropTypes.number,
+ opacity: PropTypes.number,
+ xAxisLabel: PropTypes.string,
+ yAxisLabel: PropTypes.string,
+};
+const defaultProps = {
+ className: '',
+ colorScheme: '',
+ normalized: false,
+ binCount: 15,
+ opacity: 1,
+ xAxisLabel: '',
+ yAxisLabel: '',
+};
+
+class CustomHistogram extends React.PureComponent {
+ render() {
+ const {
+ className,
+ data,
+ width,
+ height,
+ binCount,
+ colorScheme,
+ normalized,
+ opacity,
+ xAxisLabel,
+ yAxisLabel,
+ } = this.props;
+
+ const keys = data.map(d => d.key);
+ const colorScale = scaleOrdinal({
+ domain: keys,
+ range: keys.map(key => getColorFromScheme(key, colorScheme)),
+ });
+
+ return (
+ <div className={`histogram-chart ${className}`}>
+ <div className="legend-container">
+ <LegendOrdinal
+ scale={colorScale}
+ direction="row"
+ shape="rect"
Review comment:
Hah. nice.
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