@superset-ui/core/esm/chart-composition/legend/WithLegend.js

Superset UI core

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import { PureComponent } from 'react';
import { ParentSize } from '@vx/responsive';import { jsx as _jsx, jsxs as _jsxs } from "@emotion/react/jsx-runtime";

const defaultProps = {
  className: '',
  height: 'auto',
  position: 'top',
  width: 'auto'
};












const LEGEND_STYLE_BASE = {
  display: 'flex',
  flexGrow: 0,
  flexShrink: 0,
  order: -1
};

const CHART_STYLE_BASE = {
  flexBasis: 'auto',
  flexGrow: 1,
  flexShrink: 1,
  position: 'relative'
};

class WithLegend extends PureComponent {


  getContainerDirection() {
    const { position } = this.props;

    if (position === 'left') {
      return 'row';
    }
    if (position === 'right') {
      return 'row-reverse';
    }
    if (position === 'bottom') {
      return 'column-reverse';
    }

    return 'column';
  }

  getLegendJustifyContent() {
    const { legendJustifyContent, position } = this.props;
    if (legendJustifyContent) {
      return legendJustifyContent;
    }

    if (position === 'left' || position === 'right') {
      return 'flex-start';
    }

    return 'flex-end';
  }

  render() {
    const {
      className,
      debounceTime,
      width,
      height,
      position,
      renderChart,
      renderLegend
    } = this.props;

    const isHorizontal = position === 'left' || position === 'right';

    const style = {
      display: 'flex',
      flexDirection: this.getContainerDirection(),
      height,
      width
    };

    const chartStyle = { ...CHART_STYLE_BASE };
    if (isHorizontal) {
      chartStyle.width = 0;
    } else {
      chartStyle.height = 0;
    }

    const legendDirection = isHorizontal ? 'column' : 'row';
    const legendStyle = {
      ...LEGEND_STYLE_BASE,
      flexDirection: legendDirection,
      justifyContent: this.getLegendJustifyContent()
    };

    return (
      _jsxs("div", { className: `with-legend ${className}`, style: style, children: [
        renderLegend &&
        _jsx("div", { className: "legend-container", style: legendStyle, children:
          renderLegend({
            // Pass flexDirection for @vx/legend to arrange legend items
            direction: legendDirection
          }) }
        ),

        _jsx("div", { className: "main-container", style: chartStyle, children:
          _jsx(ParentSize, { debounceTime: debounceTime, children:
            (parent) =>
            parent.width > 0 && parent.height > 0 ?
            // Only render when necessary
            renderChart(parent) :
            null }

          ) }
        )] }
      ));

  }
}WithLegend.defaultProps = defaultProps;

export default WithLegend;
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