@nativescript-community/ui-chart/highlight/PieRadarHighlighter.js

A powerful chart / graph plugin, supporting line, bar, pie, radar, bubble, and candlestick charts as well as scaling, panning and animations.

export class PieRadarHighlighter {
    constructor(chart) {
        /**
         * buffer for storing previously highlighted values
         */
        this.mHighlightBuffer = [];
        this.mChart = chart;
    }
    getHighlightsAtXValue(xVal, x, y) {
        // not implemented
        return null;
    }
    getHighlight(x, y) {
        const touchDistanceToCenter = this.mChart.distanceToCenter(x, y);
        // Check if a slice was touched
        if (touchDistanceToCenter > this.mChart.radius) {
            // if no slice was touched, highlight nothing
            return null;
        }
        let angle = this.mChart.getAngleForPoint(x, y);
        // detect PieChart while preventing circular dep
        if (!this.mChart['mCircleBox']) {
            angle /= this.mChart.animator.phaseY;
        }
        const index = this.mChart.getIndexForAngle(angle);
        // check if the index could be found
        if (index < 0 || index >= this.mChart.data.maxEntryCountSet.entryCount) {
            return null;
        }
        return [this.getClosestHighlight(index, x, y)];
    }
}
//# sourceMappingURL=PieRadarHighlighter.js.map