react-financial-charts/lib/tooltip/RSITooltip.js

React charts specific to finance.

import { format } from "d3-format";
import * as React from "react";
import GenericChartComponent from "../GenericChartComponent";
import { default as defaultDisplayValuesFor } from "./displayValuesFor";
import { functor, isDefined } from "../utils";
import { ToolTipText } from "./ToolTipText";
import { ToolTipTSpanLabel } from "./ToolTipTSpanLabel";
export class RSITooltip extends React.Component {
    constructor() {
        super(...arguments);
        this.renderSVG = (moreProps) => {
            const { onClick, fontFamily, fontSize, yAccessor, displayFormat, className } = this.props;
            const { options, labelFill, textFill } = this.props;
            const { displayValuesFor } = this.props;
            const { chartConfig: { width, height } } = moreProps;
            const currentItem = displayValuesFor(this.props, moreProps);
            const rsi = isDefined(currentItem) && yAccessor(currentItem);
            const value = (rsi && displayFormat(rsi)) || "n/a";
            const { origin: originProp } = this.props;
            const origin = functor(originProp);
            const [x, y] = origin(width, height);
            const tooltipLabel = `RSI (${options.windowSize}): `;
            return (React.createElement("g", { className: className, transform: `translate(${x}, ${y})`, onClick: onClick },
                React.createElement(ToolTipText, { x: 0, y: 0, fontFamily: fontFamily, fontSize: fontSize },
                    React.createElement(ToolTipTSpanLabel, { fill: labelFill }, tooltipLabel),
                    React.createElement("tspan", { fill: textFill }, value))));
        };
    }
    render() {
        return (React.createElement(GenericChartComponent, { clip: false, svgDraw: this.renderSVG, drawOn: ["mousemove"] }));
    }
}
RSITooltip.defaultProps = {
    displayFormat: format(".2f"),
    displayValuesFor: defaultDisplayValuesFor,
    origin: [0, 0],
    className: "react-financial-charts-tooltip",
};
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