TIP

For core principles, concept description, API and changelog, refer to the D3 chart.

Horizontal bar

You can rotate a chart using the <HorizontalBar/> component by swapping scaleBand and scaleLinear. See more about scaleBand and scaleLiner in the Bar chart example.

Horizontal stacked bar

To draw a horizontal stacked chart, use the <StackBar.HorizontalBar/> component.

import { Flex, Box } from '@semcore/ui/base-components';
import { Plot, StackBar, YAxis, XAxis, HoverRect } from '@semcore/ui/d3-chart';
import { Text } from '@semcore/ui/typography';
import { scaleLinear, scaleBand } from 'd3-scale';
import React from 'react';

import StackedBarMockData from './mock';

const Demo = () => {
  const MARGIN = 40;
  const width = 500;
  const height = 300;

  const xScale = scaleLinear()
    .range([MARGIN * 2, width - MARGIN])
    .domain([0, 20]);

  const yScale = scaleBand()
    .range([height - MARGIN, MARGIN])
    .domain(data.map((d) => d.bar))
    .paddingInner(0.4)
    .paddingOuter(0.2);

  return (
    <Plot data={data} scale={[xScale, yScale]} width={width} height={height}>
      <YAxis hide={false}>
        <YAxis.Ticks />
      </YAxis>
      <XAxis>
        <XAxis.Ticks />
        <XAxis.Grid />
      </XAxis>
      <HoverRect.Tooltip y='bar' wMin={100}>
        {({ yIndex }) => {
          return {
            children: (
              <>
                <HoverRect.Tooltip.Title>{data[yIndex].bar}</HoverRect.Tooltip.Title>
                <Flex justifyContent='space-between'>
                  <HoverRect.Tooltip.Dot mr={4}>Category 1</HoverRect.Tooltip.Dot>
                  <Text bold>{data[yIndex].Category1}</Text>
                </Flex>
                <Flex mt={2} justifyContent='space-between'>
                  <HoverRect.Tooltip.Dot mr={4}>Category 2</HoverRect.Tooltip.Dot>
                  <Text bold>{data[yIndex].Category2}</Text>
                </Flex>
                <Flex mt={2} justifyContent='space-between'>
                  <Box mr={4}>Total</Box>
                  <Text bold>{data[yIndex].Category1 + data[yIndex].Category2}</Text>
                </Flex>
              </>
            ),
          };
        }}
      </HoverRect.Tooltip>
      <StackBar y='bar'>
        <StackBar.HorizontalBar x='Category1' />
        <StackBar.HorizontalBar x='Category2' />
      </StackBar>
    </Plot>
  );
};

const data = StackedBarMockData.Default;

export default Demo;

Legend and pattern fill

Note that for ChartLegend patterns property works only with default shape={'Checkbox'}.

import { Flex } from '@semcore/ui/base-components';
import Card from '@semcore/ui/card';
import {
  Plot,
  StackBar,
  YAxis,
  XAxis,
  ChartLegend,
  makeDataHintsContainer,
} from '@semcore/ui/d3-chart';
import { scaleLinear, scaleBand } from 'd3-scale';
import React from 'react';

import StackedBarMockData from './mock';

const dataHints = makeDataHintsContainer();

const Demo = () => {
  const MARGIN = 40;
  const width = 500;
  const height = 300;

  const xScale = scaleLinear()
    .range([MARGIN * 2, width - MARGIN])
    .domain([0, 20]);

  const yScale = scaleBand()
    .range([height - MARGIN, MARGIN])
    .domain(data.map((d) => d.bar))
    .paddingInner(0.4)
    .paddingOuter(0.2);

  const [legendItems, setLegendItems] = React.useState(
    Object.keys(data[0])
      .filter((name) => name !== 'bar')
      .map((item, index) => {
        return {
          id: item,
          label: `Category ${index + 1}`,
          checked: true,
          color: `chart-palette-order-${index + 1}`,
        };
      }),
  );

  const [highlightedLine, setHighlightedLine] = React.useState(-1);

  const handleChangeVisible = React.useCallback((id: string, isVisible: boolean) => {
    setLegendItems((prevItems) => {
      return prevItems.map((item) => {
        if (item.id === id) {
          item.checked = isVisible;
        }

        return item;
      });
    });
  }, []);

  const handleMouseEnter = React.useCallback((id: string) => {
    setHighlightedLine(legendItems.findIndex((line) => line.id === id));
  }, []);
  const handleMouseLeave = React.useCallback(() => {
    setHighlightedLine(-1);
  }, []);

  return (
    <Card w='550px'>
      <Card.Header pt={4}>
        <Card.Title tag='h4' m={0} inline={true}>
          Chart legend
        </Card.Title>
      </Card.Header>
      <Card.Body tag={Flex} direction='column'>
        <ChartLegend
          items={legendItems}
          onChangeVisibleItem={handleChangeVisible}
          onMouseEnterItem={handleMouseEnter}
          onMouseLeaveItem={handleMouseLeave}
          dataHints={dataHints}
          patterns
          aria-label='Stacked horizontal bar chart legend'
        />
        <Plot
          data={data}
          scale={[xScale, yScale]}
          width={width}
          height={height}
          dataHints={dataHints}
          patterns
        >
          <YAxis>
            <YAxis.Ticks />
            <YAxis.Grid />
          </YAxis>
          <XAxis>
            <XAxis.Ticks />
          </XAxis>
          <StackBar y='bar'>
            {legendItems.map((stack, index) => {
              return (
                stack.checked && (
                  <StackBar.HorizontalBar
                    x={stack.id}
                    key={stack.id}
                    color={stack.color}
                    transparent={highlightedLine !== -1 && highlightedLine !== index}
                  />
                )
              );
            })}
          </StackBar>
        </Plot>
      </Card.Body>
    </Card>
  );
};

const data = StackedBarMockData.ThreeBars;

export default Demo;