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// Copyright © 2015 Abhishek Banthia
import CoreLoggerKit
import Foundation
extension ParentPanelController: NSCollectionViewDataSource, NSCollectionViewDelegate {
func collectionView(_: NSCollectionView, numberOfItemsInSection _: Int) -> Int {
return (96 * PanelConstants.modernSliderDaySupport * 2) + 1
}
func collectionView(_ collectionView: NSCollectionView, itemForRepresentedObjectAt indexPath: IndexPath) -> NSCollectionViewItem {
let item = collectionView.makeItem(withIdentifier: HourMarkerViewItem.reuseIdentifier, for: indexPath) as! HourMarkerViewItem
item.setup(with: indexPath.item)
return item
}
}
extension ParentPanelController {
@objc func collectionViewDidScroll(_ notification: NSNotification) {
let contentView = notification.object as! NSClipView
let changedOrigin = contentView.documentVisibleRect.origin
let newPoint = NSPoint(x: changedOrigin.x + contentView.frame.width / 2, y: changedOrigin.y)
let indexPath = modernSlider.indexPathForItem(at: newPoint)
if let correctIndexPath = indexPath?.item, currentCenterIndexPath != correctIndexPath {
currentCenterIndexPath = correctIndexPath
let minutesToAdd = setDefaultDateLabel(correctIndexPath)
setTimezoneDatasourceSlider(sliderValue: minutesToAdd)
mainTableView.reloadData()
}
}
@discardableResult
public func setModernLabel(_ shouldUpdate: Bool = false) -> Date {
let defaultParameters = minuteFromCalendar()
let hourQuarterDate = Calendar.current.nextDate(after: defaultParameters.0,
matching: DateComponents(minute: defaultParameters.1),
matchingPolicy: .strict,
repeatedTimePolicy: .first,
direction: .forward)!
if shouldUpdate {
modernSliderLabel.stringValue = timezoneFormattedStringRepresentation(hourQuarterDate)
} else {
modernSliderLabel.stringValue = CLEmptyString
}
return hourQuarterDate
}
public func setDefaultDateLabel(_ index: Int) -> Int {
let totalCount = (96 * PanelConstants.modernSliderDaySupport * 2) + 1
let centerPoint = Int(ceil(Double(totalCount / 2)))
if index > (centerPoint + 1) {
let remainder = (index % (centerPoint + 1))
let nextDate = Calendar.current.date(byAdding: .minute, value: remainder * 15, to: closestQuarterTimeRepresentation ?? Date())!
modernSliderLabel.stringValue = timezoneFormattedStringRepresentation(nextDate)
return nextDate.minutes(from: Date()) + 1
} else if index <= centerPoint {
let remainder = centerPoint - index + 1
let previousDate = Calendar.current.date(byAdding: .minute, value: -1 * remainder * 15, to: closestQuarterTimeRepresentation ?? Date())!
modernSliderLabel.stringValue = timezoneFormattedStringRepresentation(previousDate)
return previousDate.minutes(from: Date())
} else {
setModernLabel(true)
return 0
}
}
private func minuteFromCalendar() -> (Date, Int) {
let currentDate = Date()
var minute = Calendar.current.component(.minute, from: currentDate)
if minute < 15 {
minute = 15
} else if minute < 30 {
minute = 30
} else if minute < 45 {
minute = 45
} else {
minute = 0
}
return (currentDate, minute)
}
private func timezoneFormattedStringRepresentation(_ date: Date) -> String {
let dateFormatter = DateFormatterManager.dateFormatterWithFormat(with: .none,
format: "MMM d HH:mm",
timezoneIdentifier: TimeZone.current.identifier,
locale: Locale.autoupdatingCurrent)
return dateFormatter.string(from: date)
}
}