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Fix highlight on chart values #3

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Mar 8, 2022
Merged

Fix highlight on chart values #3

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17 changes: 13 additions & 4 deletions Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -196,10 +196,10 @@ open class ChartDataSet: ChartBaseDataSet
/// An empty array if no Entry object at that index.
open override func entriesForXValue(_ xValue: Double) -> [ChartDataEntry]
{
let match: (ChartDataEntry) -> Bool = { $0.x == xValue }
let match: (ChartDataEntry) -> Bool = { $0.x >= xValue }
let i = partitioningIndex(where: match)
guard i < endIndex else { return [] }
return self[i...].prefix(while: match)
guard i < endIndex, self[i].x == xValue else { return [] }
return self[i...].prefix(while: { $0.x == xValue })
}

/// - Parameters:
Expand Down Expand Up @@ -234,7 +234,16 @@ open class ChartDataSet: ChartBaseDataSet
}

case .closest:
break
if closest > startIndex {
let closestXIndex = closest
formIndex(before: &closest)
let value = self[closest]

// If the x value is closer to the original x index revert closest otherwise fall through
if abs(value.x - xValue) > abs(closestXValue - xValue) {
closest = closestXIndex
}
}
}

// Search by closest to y-value
Expand Down