recharts
Version:
React charts
77 lines • 4.43 kB
JavaScript
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function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { cloneElement, createElement, isValidElement } from 'react';
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 { filterProps } from '../util/ReactUtils';
/*
* 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 element = props.element,
tooltipEventType = props.tooltipEventType,
isActive = props.isActive,
activeCoordinate = props.activeCoordinate,
activePayload = props.activePayload,
offset = props.offset,
activeTooltipIndex = props.activeTooltipIndex,
tooltipAxisBandSize = props.tooltipAxisBandSize,
layout = props.layout,
chartName = props.chartName;
if (!element || !element.props.cursor || !isActive || !activeCoordinate || chartName !== 'ScatterChart' && tooltipEventType !== 'axis') {
return null;
}
var restProps;
var cursorComp = Curve;
if (chartName === 'ScatterChart') {
restProps = activeCoordinate;
cursorComp = Cross;
} else if (chartName === 'BarChart') {
restProps = getCursorRectangle(layout, activeCoordinate, offset, tooltipAxisBandSize);
cursorComp = Rectangle;
} else if (layout === 'radial') {
var _getRadialCursorPoint = getRadialCursorPoints(activeCoordinate),
cx = _getRadialCursorPoint.cx,
cy = _getRadialCursorPoint.cy,
radius = _getRadialCursorPoint.radius,
startAngle = _getRadialCursorPoint.startAngle,
endAngle = _getRadialCursorPoint.endAngle;
restProps = {
cx: cx,
cy: cy,
startAngle: startAngle,
endAngle: endAngle,
innerRadius: radius,
outerRadius: radius
};
cursorComp = Sector;
} else {
restProps = {
points: getCursorPoints(layout, activeCoordinate, offset)
};
cursorComp = Curve;
}
var cursorProps = _objectSpread(_objectSpread(_objectSpread(_objectSpread({
stroke: '#ccc',
pointerEvents: 'none'
}, offset), restProps), filterProps(element.props.cursor, false)), {}, {
payload: activePayload,
payloadIndex: activeTooltipIndex,
className: 'recharts-tooltip-cursor'
});
return /*#__PURE__*/isValidElement(element.props.cursor) ? /*#__PURE__*/cloneElement(element.props.cursor, cursorProps) : /*#__PURE__*/createElement(cursorComp, cursorProps);
}