func handleOption()

in ChartsDemo-iOS/Swift/DemoBaseViewController.swift [127:181]
45 lines of code
17 McCabe index (conditional complexity)

    func handleOption(_ option: Option, forChartView chartView: ChartViewBase) {
        switch option {
        case .toggleValues:
            for set in chartView.data! {
                set.drawValuesEnabled = !set.drawValuesEnabled
            }
            chartView.setNeedsDisplay()
            
        case .toggleIcons:
            for set in chartView.data! {
                set.drawIconsEnabled = !set.drawIconsEnabled
            }
            chartView.setNeedsDisplay()
            
        case .toggleHighlight:
            chartView.data!.isHighlightEnabled = !chartView.data!.isHighlightEnabled
            chartView.setNeedsDisplay()
            
        case .animateX:
            chartView.animate(xAxisDuration: 3)
            
        case .animateY:
            chartView.animate(yAxisDuration: 3)
            
        case .animateXY:
            chartView.animate(xAxisDuration: 3, yAxisDuration: 3)
            
        case .saveToGallery:
            UIImageWriteToSavedPhotosAlbum(chartView.getChartImage(transparent: false)!, nil, nil, nil)
            
        case .togglePinchZoom:
            let barLineChart = chartView as! BarLineChartViewBase
            barLineChart.pinchZoomEnabled = !barLineChart.pinchZoomEnabled
            chartView.setNeedsDisplay()
            
        case .toggleAutoScaleMinMax:
            let barLineChart = chartView as! BarLineChartViewBase
            barLineChart.autoScaleMinMaxEnabled = !barLineChart.isAutoScaleMinMaxEnabled
            chartView.notifyDataSetChanged()
            
        case .toggleData:
            shouldHideData = !shouldHideData
            updateChartData()
            
        case .toggleBarBorders:
            for set in chartView.data! {
                if let set = set as? BarChartDataSet {
                    set.barBorderWidth = set.barBorderWidth == 1.0 ? 0.0 : 1.0
                }
            }
            chartView.setNeedsDisplay()
        default:
            break
        }
    }