312 lines
16 KiB
Swift
312 lines
16 KiB
Swift
//
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// CalendarDateViewCell.swift
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// VDS
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//
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// Created by Kanamarlapudi, Vasavi on 24/04/24.
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//
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import UIKit
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import VDSTokens
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final class CalendarDateViewCell: UICollectionViewCell {
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///Identifier for the Calendar Date Cell.
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static let identifier: String = String(describing: CalendarDateViewCell.self)
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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internal var containerSize: CGSize { CGSize(width: 40, height: 40) }
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internal var containerView = View().with {
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$0.clipsToBounds = true
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}
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private lazy var stackView: UIStackView = {
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return UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.axis = .horizontal
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$0.distribution = .fill
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$0.alignment = .center
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$0.spacing = VDSLayout.space1X
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$0.setContentCompressionResistancePriority(.defaultHigh, for: .horizontal)
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$0.setContentHuggingPriority(.defaultHigh, for: .horizontal)
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$0.backgroundColor = .clear
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}
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}()
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private var numberLabel = Label().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.textAlignment = .center
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$0.textStyle = .bodySmall
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}
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private lazy var shapeLayer = CAShapeLayer()
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private let selectedTextColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryInverseOnlight, VDSColor.elementsPrimaryInverseOndark)
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private let selectedBackgroundColor = SurfaceColorConfiguration(VDSColor.backgroundPrimaryInverseLight, VDSColor.backgroundPrimaryInverseDark)
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private let selectedCellIndicatorColorConfiguration = SurfaceColorConfiguration(VDSColor.paletteGray65, VDSColor.paletteGray44)
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private let unselectedTextColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark)
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private let unselectedCellIndicatorColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsSecondaryOnlight, VDSColor.elementsSecondaryOndark)
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private let disabledTextColorConfiguration = SurfaceColorConfiguration(VDSColor.interactiveDisabledOnlight, VDSColor.interactiveDisabledOndark)
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private let disabledBackgroundColor = SurfaceColorConfiguration(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark)
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private let currentDate = Date()
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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override init(frame: CGRect) {
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super.init(frame: frame)
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setUp()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setUp()
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}
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//--------------------------------------------------
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// MARK: - Private Methods
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//--------------------------------------------------
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/// Configuring the cell with default setup.
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private func setUp() {
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isAccessibilityElement = false
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contentView.addSubview(containerView)
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containerView
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.pinTop()
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.pinBottom()
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.pinLeadingGreaterThanOrEqualTo()
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.pinTrailingLessThanOrEqualTo()
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.height(containerSize.height)
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.width(containerSize.width)
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containerView.centerXAnchor.constraint(equalTo: centerXAnchor).activate()
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// Number label
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containerView.addSubview(numberLabel)
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numberLabel.pinToSuperView()
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// Indicators
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containerView.addSubview(stackView)
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let topPos = containerSize.height * 0.7
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stackView.pinTop(topPos).pinBottom().pinTopGreaterThanOrEqualTo().pinTrailingLessThanOrEqualTo()
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stackView.centerXAnchor.constraint(equalTo: centerXAnchor).activate()
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}
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/// Updating UI based on selected date, modified indicators data along with surface.
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/// Enable/disable cell based on min date, max date, active dates, inactive dates.
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func update(with surface: Surface, indicators: [CalendarBase.CalendarIndicatorModel], text: String, indicatorCount: Int, selectedDate: Date, displayDate: Date, hideDate: Bool, minDate: Date, maxDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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stackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
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numberLabel.surface = surface
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numberLabel.text = text
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// enable/disable cells based on min date, max date and active/inactive dates.
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self.updateLabel(with:surface, displayDate: displayDate, minDate: minDate, maxDate: maxDate, activeDates: activeDates, inactiveDates: inactiveDates)
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// handling inactive dates.
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if inactiveDates.count > 0 {
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for x in (0...(inactiveDates.count-1)) {
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if (inactiveDates[x].monthInt == displayDate.monthInt) && (inactiveDates[x].yearInt == displayDate.yearInt) {
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if let day:Int = Int(numberLabel.text), day == inactiveDates[x].dayInt {
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disableLabel(with: surface)
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}
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}
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}
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}
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// update text color, bg color, corner radius.
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if (numberLabel.text == self.getDay(with: selectedDate)) && (selectedDate.monthInt == displayDate.monthInt) && (selectedDate.yearInt == displayDate.yearInt) && numberLabel.isEnabled {
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numberLabel.textColor = selectedTextColorConfiguration.getColor(surface)
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layer.backgroundColor = selectedBackgroundColor.getColor(surface).cgColor
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layer.cornerRadius = VDSFormControls.borderRadius
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} else {
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numberLabel.textColor = unselectedTextColorConfiguration.getColor(surface)
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layer.backgroundColor = nil
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layer.cornerRadius = 0
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}
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// add indicators.
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if indicatorCount > 0 {
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for x in (0...(indicators.count-1)) {
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// irrespective of month and year, if it needs to show indicators on every month - comment below first if condition, else uncomment it.
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// if (indicators[x].date.monthInt == displayDate.monthInt) && (indicators[x].date.yearInt == displayDate.yearInt) {
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if (self.numberLabel.text == self.getDay(with: indicators[x].date)) {
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let color = (numberLabel.text == self.getDay(with: selectedDate)) ? selectedCellIndicatorColorConfiguration.getColor(surface) : unselectedCellIndicatorColorConfiguration.getColor(surface)
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addIndicator(with: color, surface: surface, clearFullCircle: (x == 1), drawSemiCircle: (x == 2))
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}
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// }
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}
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}
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// update text style for current date.
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if (numberLabel.text == self.getDay(with: currentDate)) && (currentDate.monthInt == displayDate.monthInt) && (currentDate.yearInt == displayDate.yearInt) {
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numberLabel.textStyle = hideDate ? .bodySmall : .boldBodySmall
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} else {
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numberLabel.textStyle = .bodySmall
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}
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}
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// returns cell enabled state.
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func isDateEnabled() -> Bool {
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return numberLabel.isEnabled
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}
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func disableLabel(with surface: Surface) {
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numberLabel.isEnabled = false
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numberLabel.textColor = disabledTextColorConfiguration.getColor(surface)
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layer.backgroundColor = disabledBackgroundColor.getColor(surface).cgColor
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}
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func showActiveDates(with displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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for x in (0...(activeDates.count-1)) {
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if (activeDates[x].monthInt == displayDate.monthInt) && (activeDates[x].yearInt == displayDate.yearInt ) {
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if let day:Int = Int(numberLabel.text), day == activeDates[x].dayInt {
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numberLabel.isEnabled = true
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}
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}
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}
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}
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// handing active dates if exist, else enable numberLabel to display day.
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func handleActiveDates(with displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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if activeDates.count > 0 && inactiveDates.count == 0 {
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showActiveDates(with: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else {
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numberLabel.isEnabled = true
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}
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}
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// enable all days if no active dates, handing active dates if exist.
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func enableAllDaysAndCheckActiveDates(with surface:Surface, displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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if activeDates.count > 0 && inactiveDates.count == 0 {
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disableLabel(with: surface)
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showActiveDates(with: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else {
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numberLabel.isEnabled = true
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}
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}
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func minDateValidation(with surface:Surface, minDate: Date, displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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// validate days to enable/disable with min date only.
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if let day:Int = Int(numberLabel.text), day < minDate.dayInt {
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disableLabel(with: surface)
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} else {
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numberLabel.isEnabled = false
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handleActiveDates(with: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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}
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func maxDateValidation(with surface:Surface, maxDate: Date, displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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// validate days to enable/disable with max date only.
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if let day:Int = Int(numberLabel.text), day > maxDate.dayInt {
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disableLabel(with: surface)
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} else {
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numberLabel.isEnabled = false
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handleActiveDates(with: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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}
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func minAndMaxDateValidation(with surface:Surface, minDate: Date, maxDate: Date, displayDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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// validate days to enable/disable with min and max date.
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if let day:Int = Int(numberLabel.text), day < minDate.dayInt || day > maxDate.dayInt {
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disableLabel(with: surface)
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} else {
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numberLabel.isEnabled = false
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handleActiveDates(with: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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}
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// enable/disable cells based on min date, max date and active/inactive dates.
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func updateLabel(with surface: Surface, displayDate: Date, minDate: Date, maxDate: Date, activeDates: [Date], inactiveDates: [Date]) {
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if (minDate.yearInt == displayDate.yearInt) && !(maxDate.yearInt == displayDate.yearInt) {
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// min year and max year are different, and matched to min year.
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if (minDate.monthInt == displayDate.monthInt) {
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// min year and max year are different, and matched to min year and min month.
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minDateValidation(with: surface, minDate: minDate, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else {
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// handing active dates - enable all days if no active dates.
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enableAllDaysAndCheckActiveDates(with: surface, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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} else if (maxDate.yearInt == displayDate.yearInt) && !((minDate.yearInt == displayDate.yearInt)) {
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// min year and max year are different, and matched to max year.
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if (maxDate.monthInt == displayDate.monthInt) {
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// min year and max year are different, and matched to max year and max month.
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maxDateValidation(with: surface, maxDate: maxDate, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else {
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// handing active dates - enable all days if no active dates.
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enableAllDaysAndCheckActiveDates(with: surface, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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} else if (minDate.yearInt == displayDate.yearInt) && (maxDate.yearInt == displayDate.yearInt) {
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// min year and max year same
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if (minDate.monthInt == displayDate.monthInt) && (maxDate.monthInt == displayDate.monthInt) {
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// min year and max year same, when choose dates in same month.
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minAndMaxDateValidation(with: surface, minDate: minDate, maxDate: maxDate, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else if (minDate.monthInt == displayDate.monthInt) || (maxDate.monthInt == displayDate.monthInt) {
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// min year and max year same, and choose dates in different months.
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if (minDate.monthInt == displayDate.monthInt) {
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// min year and max year same, and matched to min month.
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minDateValidation(with: surface, minDate: minDate, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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} else if (maxDate.monthInt == displayDate.monthInt) {
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// min year and max year same, and matched to max month.
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maxDateValidation(with: surface, maxDate: maxDate, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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} else {
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// min year and max year same, and not matched to min or max month.
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// handing active dates - enable all days if no active dates.
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enableAllDaysAndCheckActiveDates(with: surface, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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} else {
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// min year and max year are different, and not matched to min or max year.
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// handing active dates - enable all days if no active dates.
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enableAllDaysAndCheckActiveDates(with: surface, displayDate: displayDate, activeDates: activeDates, inactiveDates: inactiveDates)
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}
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}
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func addIndicator(with color: UIColor, surface: Surface, clearFullCircle: Bool, drawSemiCircle: Bool) {
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// add indicator
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let indicatorView: View = View().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.backgroundColor = .clear
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$0.layer.borderWidth = 1.0
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}
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indicatorView.pinLeading().pinTrailing().width(8).height(8).pinCenterY()
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stackView.addArrangedSubview(indicatorView)
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// update indicator
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indicatorView.backgroundColor = drawSemiCircle ? .clear : (clearFullCircle ? .clear : color)
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indicatorView.layer.borderColor = color.cgColor
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self.layoutIfNeeded()
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indicatorView.layer.cornerRadius = indicatorView.frame.size.height / 2.0
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guard drawSemiCircle else { return }
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let center = CGPoint(x: indicatorView.frame.size.width/2, y: indicatorView.frame.size.height/2)
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let path = UIBezierPath()
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path.move(to: center)
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path.addArc(withCenter: center, radius: center.x, startAngle: 2 * .pi, endAngle: .pi, clockwise: true)
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path.close()
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shapeLayer.path = path.cgPath
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shapeLayer.fillColor = color.cgColor
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guard indicatorView.layer.sublayers?.contains(shapeLayer) ?? true else { return }
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indicatorView.layer.addSublayer(shapeLayer)
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}
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func getDay(with date: Date) -> String {
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if #available(iOS 15.0, *) {
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return date.formatted(.dateTime.day())
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} else {
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// Fallback on earlier versions
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let dateFormatter: DateFormatter = DateFormatter()
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dateFormatter.dateFormat = "d"
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let day: String = dateFormatter.string(from: date)
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return day
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}
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}
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}
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