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import { computed } from "mobx"
import { observer } from "mobx-react"
import { Tooltip } from "../tooltip/Tooltip"
import { takeWhile, last, first, isMobile } from "../../clientUtils/Util"
import {
SparkBars,
SparkBarsDatum,
SparkBarsProps,
} from "../sparkBars/SparkBars"
import { SparkBarTimeSeriesValue } from "../sparkBars/SparkBarTimeSeriesValue"
import { MapChartManager, ChoroplethSeries } from "./MapChartConstants"
import { ColorScale } from "../color/ColorScale"
import { Time } from "../../coreTable/CoreTableConstants"
import { ChartTypeName } from "../core/GrapherConstants"
import { OwidTable } from "../../coreTable/OwidTable"
import { CoreColumn } from "../../coreTable/CoreTableColumns"
interface MapTooltipProps {
tooltipDatum?: ChoroplethSeries
tooltipTarget?: { x: number; y: number; featureId: string }
isEntityClickable?: boolean
manager: MapChartManager
colorScale?: ColorScale
targetTime?: Time
}
@observer
export class MapTooltip extends React.Component<MapTooltipProps> {
private sparkBarsDatumXAccessor = (d: SparkBarsDatum): number => d.time
@computed private get sparkBarsToDisplay(): number {
return isMobile() ? 13 : 20
}
@computed private get sparkBarsProps(): SparkBarsProps<SparkBarsDatum> {
return {
data: this.sparkBarsData,
x: this.sparkBarsDatumXAccessor,
y: (d: SparkBarsDatum): number => d.value,
xDomain: this.sparkBarsDomain,
}
}
@computed get inputTable(): OwidTable {
return this.props.manager.table
}
@computed private get mapColumnSlug(): string | undefined {
return this.props.manager.mapColumnSlug
}
// Uses the rootTable because if a target year is set, we filter the years at the grapher level.
// Todo: might want to do all filtering a step below the Grapher level?
@computed private get sparkBarColumn(): CoreColumn {
return this.inputTable.rootTable.get(this.mapColumnSlug)
}
@computed private get sparkBarsData(): SparkBarsDatum[] {
const tooltipDatum = this.props.tooltipDatum
if (!tooltipDatum) return []
const sparkBarValues: SparkBarsDatum[] = []
this.sparkBarColumn.valueByEntityNameAndOriginalTime
.get(tooltipDatum.seriesName)
?.forEach((value, key) => {
sparkBarValues.push({
time: key,
value: value as number,
})
})
return takeWhile(
sparkBarValues,
(d) => d.time <= tooltipDatum.time
).slice(-this.sparkBarsToDisplay)
}
@computed private get sparkBarsDomain(): [number, number] {
const lastVal = last(this.sparkBarsData)
const end = lastVal ? this.sparkBarsDatumXAccessor(lastVal) : 0
const start = end > 0 ? end - this.sparkBarsToDisplay + 1 : 0
return [start, end]
}
@computed private get currentSparkBar(): number | undefined {
const lastVal = last(this.sparkBarsData)
return lastVal ? this.sparkBarsDatumXAccessor(lastVal) : undefined
}
colorScale = this.props.colorScale ?? new ColorScale()
@computed private get renderSparkBars(): boolean | undefined {
return this.props.manager.mapIsClickable
}
@computed private get darkestColorInColorScheme(): string | undefined {
const { colorScale } = this
return colorScale.isColorSchemeInverted
? first(colorScale.baseColors)
: last(colorScale.baseColors)
}
@computed private get barColor(): string | undefined {
const { colorScale } = this
return colorScale.singleColorScale &&
!colorScale.customNumericColorsActive
? this.darkestColorInColorScheme
: undefined
}
@computed private get tooltipTarget(): {
x: number
y: number
featureId: string
} {
return (
this.props.tooltipTarget ?? {
x: 0,
y: 0,
featureId: "Default Tooltip",
}
)
}
render(): JSX.Element {
const { tooltipDatum, isEntityClickable, targetTime, manager } =
this.props
const clickToSelectMessage =
manager.type === ChartTypeName.LineChart
? "Click for change over time"
: "Click to select"
const { timeColumn } = this.inputTable
const { renderSparkBars, barColor, tooltipTarget } = this
const displayTime = !timeColumn.isMissing
? timeColumn.formatValue(targetTime)
: targetTime
const displayDatumTime =
timeColumn && tooltipDatum
? timeColumn.formatValue(tooltipDatum.time)
: tooltipDatum?.time.toString() ?? ""
return (
<Tooltip
tooltipManager={this.props.manager}
key="mapTooltip"
x={tooltipTarget.x}
y={tooltipTarget.y}
style={{ textAlign: "center", padding: "8px" }}
offsetX={15}
offsetY={10}
offsetYDirection={"upward"}
>
<h3
style={{
padding: "0.3em 0.3em",
margin: 0,
fontWeight: "normal",
fontSize: "1em",
}}
>
{tooltipTarget.featureId ||
tooltipTarget.featureId.replace(/_/g, " ")}
</h3>
<div
style={{
margin: 0,
padding: "0.3em 0.3em",
}}
>
{tooltipDatum ? (
<div className="map-tooltip">
<div className="trend">
{renderSparkBars && (
<div className="plot">
<SparkBars<SparkBarsDatum>
{...this.sparkBarsProps}
currentX={this.currentSparkBar}
color={barColor}
/>
</div>
)}
<div
className={
"value" +
(renderSparkBars ? "" : " no-plot")
}
>
<SparkBarTimeSeriesValue
className="current"
value={tooltipDatum.displayValue}
displayDate={displayDatumTime}
valueColor={
renderSparkBars ? barColor : "black"
}
/>
</div>
</div>
</div>
) : (
`No data for ${displayTime}`
)}
</div>
{isEntityClickable && (
<div>
<p
style={{
margin: 0,
padding: "0.3em 0.9em",
fontSize: "13px",
opacity: 0.6,
}}
>
{clickToSelectMessage}
</p>
</div>
)}
</Tooltip>
)
}
}
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