HRM-System/node_modules/recharts/es6/component/Cursor.js

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import * as React from 'react';
import { cloneElement, createElement, isValidElement } from 'react';
import { clsx } from 'clsx';
import { isPolarCoordinate } from '../util/types';
import { Curve } from '../shape/Curve';
import { Cross } from '../shape/Cross';
import { getCursorRectangle } from '../util/cursor/getCursorRectangle';
import { Rectangle } from '../shape/Rectangle';
import { getRadialCursorPoints } from '../util/cursor/getRadialCursorPoints';
import { Sector } from '../shape/Sector';
import { getCursorPoints } from '../util/cursor/getCursorPoints';
import { useChartLayout, useOffsetInternal } from '../context/chartLayoutContext';
import { useTooltipAxisBandSize } from '../context/useTooltipAxis';
import { useChartName } from '../state/selectors/selectors';
import { svgPropertiesNoEventsFromUnknown } from '../util/svgPropertiesNoEvents';
import { ZIndexLayer } from '../zIndex/ZIndexLayer';
import { DefaultZIndexes } from '../zIndex/DefaultZIndexes';

/**
 * If set false, no cursor will be drawn when tooltip is active.
 * If set an object, the option is the configuration of cursor.
 * If set a React element, the option is the custom react element of drawing cursor
 */

function RenderCursor(_ref) {
  var {
    cursor,
    cursorComp,
    cursorProps
  } = _ref;
  if (/*#__PURE__*/isValidElement(cursor)) {
    return /*#__PURE__*/cloneElement(cursor, cursorProps);
  }
  return /*#__PURE__*/createElement(cursorComp, cursorProps);
}
export function CursorInternal(props) {
  var _props$zIndex;
  var {
    coordinate,
    payload,
    index,
    offset,
    tooltipAxisBandSize,
    layout,
    cursor,
    tooltipEventType,
    chartName
  } = props;

  // The cursor is a part of the Tooltip, and it should be shown (by default) when the Tooltip is active.
  var activeCoordinate = coordinate;
  var activePayload = payload;
  var activeTooltipIndex = index;
  if (!cursor || !activeCoordinate || chartName !== 'ScatterChart' && tooltipEventType !== 'axis') {
    return null;
  }
  var restProps, cursorComp, preferredZIndex;
  if (chartName === 'ScatterChart') {
    restProps = activeCoordinate;
    cursorComp = Cross;
    preferredZIndex = DefaultZIndexes.cursorLine;
  } else if (chartName === 'BarChart') {
    restProps = getCursorRectangle(layout, activeCoordinate, offset, tooltipAxisBandSize);
    cursorComp = Rectangle;
    preferredZIndex = DefaultZIndexes.cursorRectangle;
  } else if (layout === 'radial' && isPolarCoordinate(activeCoordinate)) {
    var {
      cx,
      cy,
      radius,
      startAngle,
      endAngle
    } = getRadialCursorPoints(activeCoordinate);
    restProps = {
      cx,
      cy,
      startAngle,
      endAngle,
      innerRadius: radius,
      outerRadius: radius
    };
    cursorComp = Sector;
    preferredZIndex = DefaultZIndexes.cursorLine;
  } else {
    restProps = {
      points: getCursorPoints(layout, activeCoordinate, offset)
    };
    cursorComp = Curve;
    preferredZIndex = DefaultZIndexes.cursorLine;
  }
  var extraClassName = typeof cursor === 'object' && 'className' in cursor ? cursor.className : undefined;
  var cursorProps = _objectSpread(_objectSpread(_objectSpread(_objectSpread({
    stroke: '#ccc',
    pointerEvents: 'none'
  }, offset), restProps), svgPropertiesNoEventsFromUnknown(cursor)), {}, {
    payload: activePayload,
    payloadIndex: activeTooltipIndex,
    className: clsx('recharts-tooltip-cursor', extraClassName)
  });
  return /*#__PURE__*/React.createElement(ZIndexLayer, {
    zIndex: (_props$zIndex = props.zIndex) !== null && _props$zIndex !== void 0 ? _props$zIndex : preferredZIndex
  }, /*#__PURE__*/React.createElement(RenderCursor, {
    cursor: cursor,
    cursorComp: cursorComp,
    cursorProps: cursorProps
  }));
}

/*
 * Cursor is the background, or a highlight,
 * that shows when user mouses over or activates
 * an area.
 *
 * It usually shows together with a tooltip
 * to emphasise which part of the chart does the tooltip refer to.
 */
export function Cursor(props) {
  var tooltipAxisBandSize = useTooltipAxisBandSize();
  var offset = useOffsetInternal();
  var layout = useChartLayout();
  var chartName = useChartName();
  if (tooltipAxisBandSize == null || offset == null || layout == null || chartName == null) {
    return null;
  }
  return /*#__PURE__*/React.createElement(CursorInternal, _extends({}, props, {
    offset: offset,
    layout: layout,
    tooltipAxisBandSize: tooltipAxisBandSize,
    chartName: chartName
  }));
}