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デフォルトのCareKit実装では、比較および対比するためのパラメータが2つしかないチャートが作成されます。チャート内のすべてのパラメータを使用して、異なるパラメータの進行状況を同時に比較して対比できるようにすることは可能ですか？CareKitで複数のパラメータを使用してグラフを作成する
私は現在、次のコードを使用していますが、より多くのパラメータを追加しようとすると、これは例外エラーをスロー：それは複数のグラフを作成し、作成するために、互いの上にそれらを積み重ねることが可能ですよう
import CareKit
class BuildInsightsOperation: NSOperation {
// MARK: Properties
var medicationEvents: DailyEvents?
var backPainEvents: DailyEvents?
private(set) var insights = [OCKInsightItem.emptyInsightsMessage()]
// MARK: NSOperation
override func main() {
// Do nothing if the operation has been cancelled.
guard !cancelled else { return }
// Create an array of insights.
var newInsights = [OCKInsightItem]()
if let insight = createMedicationAdherenceInsight() {
newInsights.append(insight)
}
if let insight = createBackPainInsight() {
newInsights.append(insight)
}
// Store any new insights thate were created.
if !newInsights.isEmpty {
insights = newInsights
}
}
// MARK: Convenience
func createMedicationAdherenceInsight() -> OCKInsightItem? {
// Make sure there are events to parse.
guard let medicationEvents = medicationEvents else { return nil }
// Determine the start date for the previous week.
let calendar = NSCalendar.currentCalendar()
let now = NSDate()
let components = NSDateComponents()
components.day = -7
let startDate = calendar.weekDatesForDate(calendar.dateByAddingComponents(components, toDate: now, options: [])!).start
var totalEventCount = 0
var completedEventCount = 0
for offset in 0..<7 {
components.day = offset
let dayDate = calendar.dateByAddingComponents(components, toDate: startDate, options: [])!
let dayComponents = NSDateComponents(date: dayDate, calendar: calendar)
let eventsForDay = medicationEvents[dayComponents]
totalEventCount += eventsForDay.count
for event in eventsForDay {
if event.state == .Completed {
completedEventCount += 1
}
}
}
guard totalEventCount > 0 else { return nil }
// Calculate the percentage of completed events.
let medicationAdherence = Float(completedEventCount)/Float(totalEventCount)
// Create an `OCKMessageItem` describing medical adherence.
let percentageFormatter = NSNumberFormatter()
percentageFormatter.numberStyle = .PercentStyle
let formattedAdherence = percentageFormatter.stringFromNumber(medicationAdherence)!
let insight = OCKMessageItem(title: "Adherence", text: "Your routine adherence was \(formattedAdherence) last week.", tintColor: Colors.Pink.color, messageType: .Tip)
return insight
}
func createBackPainInsight() -> OCKInsightItem? {
// Make sure there are events to parse.
guard let medicationEvents = medicationEvents, backPainEvents = backPainEvents else { return nil }
// Determine the date to start pain/medication comparisons from.
let calendar = NSCalendar.currentCalendar()
let components = NSDateComponents()
components.day = -7
let startDate = calendar.dateByAddingComponents(components, toDate: NSDate(), options: [])!
// Create formatters for the data.
let dayOfWeekFormatter = NSDateFormatter()
dayOfWeekFormatter.dateFormat = "E"
let shortDateFormatter = NSDateFormatter()
shortDateFormatter.dateFormat = NSDateFormatter.dateFormatFromTemplate("Md", options: 0, locale: shortDateFormatter.locale)
let percentageFormatter = NSNumberFormatter()
percentageFormatter.numberStyle = .PercentStyle
/*
Loop through 7 days, collecting medication adherance and pain scores
for each.
*/
var medicationValues = [Float]()
var medicationLabels = [String]()
var painValues = [Int]()
var painLabels = [String]()
var axisTitles = [String]()
var axisSubtitles = [String]()
for offset in 0..<7 {
// Determine the day to components.
components.day = offset
let dayDate = calendar.dateByAddingComponents(components, toDate: startDate, options: [])!
let dayComponents = NSDateComponents(date: dayDate, calendar: calendar)
// Store the pain result for the current day.
if let result = backPainEvents[dayComponents].first?.result, score = Int(result.valueString) where score > 0 {
painValues.append(score)
painLabels.append(result.valueString)
}
else {
painValues.append(0)
painLabels.append(NSLocalizedString("N/A", comment: ""))
}
// Store the medication adherance value for the current day.
let medicationEventsForDay = medicationEvents[dayComponents]
if let adherence = percentageEventsCompleted(medicationEventsForDay) where adherence > 0.0 {
// Scale the adherance to the same 0-10 scale as pain values.
let scaledAdeherence = adherence * 10.0
medicationValues.append(scaledAdeherence)
medicationLabels.append(percentageFormatter.stringFromNumber(adherence)!)
}
else {
medicationValues.append(0.0)
medicationLabels.append(NSLocalizedString("N/A", comment: ""))
}
axisTitles.append(dayOfWeekFormatter.stringFromDate(dayDate))
axisSubtitles.append(shortDateFormatter.stringFromDate(dayDate))
}
// Create a `OCKBarSeries` for each set of data.
let painBarSeries = OCKBarSeries(title: "Feel", values: painValues, valueLabels: painLabels, tintColor: Colors.Blue.color)
let medicationBarSeries = OCKBarSeries(title: "Adherence", values: medicationValues, valueLabels: medicationLabels, tintColor: Colors.LightBlue.color)
/*
Add the series to a chart, specifing the scale to use for the chart
rather than having CareKit scale the bars to fit.
*/
let chart = OCKBarChart(title: "Mood",
text: nil,
tintColor: Colors.Blue.color,
axisTitles: axisTitles,
axisSubtitles: axisSubtitles,
dataSeries: [painBarSeries, medicationBarSeries],
minimumScaleRangeValue: 0,
maximumScaleRangeValue: 10)
return chart
}
/**
For a given array of `OCKCarePlanEvent`s, returns the percentage that are
marked as completed.
*/
private func percentageEventsCompleted(events: [OCKCarePlanEvent]) -> Float? {
guard !events.isEmpty else { return nil }
let completedCount = events.filter({ event in
event.state == .Completed
}).count
return Float(completedCount)/Float(events.count)
}
}
/**
An extension to `SequenceType` whose elements are `OCKCarePlanEvent`s. The
extension adds a method to return the first element that matches the day
specified by the supplied `NSDateComponents`.
*/
extension SequenceType where Generator.Element: OCKCarePlanEvent {
func eventForDay(dayComponents: NSDateComponents) -> Generator.Element? {
for event in self where
event.date.year == dayComponents.year &&
event.date.month == dayComponents.month &&
event.date.day == dayComponents.day {
return event
}
return nil
}
}