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Tooltip: bring back optimized hoverpoint code (#37901)

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Leon Sorokin 2021-08-13 15:35:41 -05:00 committed by GitHub
parent f5b8e8b48a
commit 0e3fb55caa
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1 changed files with 4 additions and 16 deletions
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20
packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin.tsx
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@ -29,15 +29,6 @@ interface TooltipPluginProps {
renderTooltip?: (alignedFrame: DataFrame, seriesIdx: number | null, datapointIdx: number | null) => React.ReactNode;
}
const eqArrays = (a: any[], b: any[]) => {
for (let i = 0; i < a.length; i++) {
if (a[i] !== b[i]) {
return false;
}
}
return true;
};
const TOOLTIP_OFFSET = 10;
/**
@ -123,16 +114,13 @@ export const TooltipPlugin: React.FC<TooltipPluginProps> = ({
})(u);
});
} else {
let prevIdx: number | null = null;
let prevIdxs: Array<number | null> | null = null;
config.addHook('setLegend', (u) => {
setFocusedPointIdx(u.legend.idx!);
setFocusedPointIdxs(u.legend.idxs!.slice());
});
// default series/datapoint idx retireval
config.addHook('setCursor', (u) => {
if (u.cursor.idx !== prevIdx || prevIdxs == null || !eqArrays(prevIdxs, u.cursor.idxs!)) {
setFocusedPointIdx((prevIdx = u.cursor.idx!));
setFocusedPointIdxs((prevIdxs = u.cursor.idxs!.slice()));
}
const bbox = plotCtx.getCanvasBoundingBox();
if (!bbox) {
return;