242 lines
8.9 KiB
Swift
242 lines
8.9 KiB
Swift
//
|
|
// CalendarHeaderReusableView.swift
|
|
// VDS
|
|
//
|
|
// Created by Kanamarlapudi, Vasavi on 30/04/24.
|
|
//
|
|
|
|
import UIKit
|
|
import VDSCoreTokens
|
|
|
|
/// Header view to display month and year along with days of week.
|
|
class CalendarHeaderReusableView: UICollectionReusableView {
|
|
|
|
///Identifier for the Calendar Header Reusable View.
|
|
static let identifier: String = String(describing: CalendarHeaderReusableView.self)
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Public Properties
|
|
//--------------------------------------------------
|
|
/// A callback when the next button clicked.
|
|
public var nextClicked: (() -> (Void))?
|
|
|
|
/// A callback when the previous button clicked.
|
|
public var previousClicked: (() -> (Void))?
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Private Properties
|
|
//--------------------------------------------------
|
|
internal var containerSize: CGSize { CGSize(width: 304, height: 88) }
|
|
|
|
private lazy var stackView = UIStackView().with {
|
|
$0.translatesAutoresizingMaskIntoConstraints = false
|
|
$0.distribution = .fill
|
|
$0.spacing = VDSLayout.space1X
|
|
$0.axis = .vertical
|
|
$0.backgroundColor = .clear
|
|
}
|
|
|
|
private lazy var topHeaderView = UIStackView().with {
|
|
$0.translatesAutoresizingMaskIntoConstraints = false
|
|
$0.distribution = .fill
|
|
$0.spacing = VDSLayout.space1X
|
|
$0.axis = .horizontal
|
|
$0.backgroundColor = .clear
|
|
}
|
|
|
|
private lazy var daysCollectionView: UICollectionView = {
|
|
let collectionView = UICollectionView(frame: .zero, collectionViewLayout: UICollectionViewFlowLayout())
|
|
collectionView.isScrollEnabled = false
|
|
collectionView.translatesAutoresizingMaskIntoConstraints = false
|
|
collectionView.delegate = self
|
|
collectionView.dataSource = self
|
|
collectionView.showsHorizontalScrollIndicator = false
|
|
collectionView.showsVerticalScrollIndicator = false
|
|
collectionView.backgroundColor = .clear
|
|
collectionView.register(collectionViewCell.self, forCellWithReuseIdentifier: collectionViewCell.identifier)
|
|
return collectionView
|
|
}()
|
|
|
|
private var surface: Surface = .light
|
|
private var displayDate: Date = Date()
|
|
|
|
internal var previousMonthView = View()
|
|
internal var nextMonthView = View()
|
|
let viewSize = 40.0
|
|
|
|
internal var previousButton = ButtonIcon().with {
|
|
$0.kind = .ghost
|
|
$0.iconName = .leftCaret
|
|
$0.iconOffset = .init(x: -2, y: 0)
|
|
$0.customContainerSize = 40
|
|
$0.icon.customSize = 16
|
|
}
|
|
|
|
internal var nextButton = ButtonIcon().with {
|
|
$0.kind = .ghost
|
|
$0.iconName = .rightCaret
|
|
$0.iconOffset = .init(x: 2, y: 0)
|
|
$0.customContainerSize = 40
|
|
$0.icon.customSize = 16
|
|
}
|
|
|
|
internal var headerTitle = Label().with {
|
|
$0.translatesAutoresizingMaskIntoConstraints = false
|
|
$0.textAlignment = .center
|
|
$0.numberOfLines = 1
|
|
$0.textStyle = .boldBodySmall
|
|
$0.backgroundColor = .clear
|
|
$0.isAccessibilityElement = true
|
|
}
|
|
|
|
internal let daysOfWeek = Date.capitalizedFirstLettersOfWeekdays
|
|
internal let headerTitleTextColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark)
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Initializers
|
|
//--------------------------------------------------
|
|
override init(frame: CGRect) {
|
|
super.init(frame: frame)
|
|
setUp()
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
super.init(coder: coder)
|
|
setUp()
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Private Methods
|
|
//--------------------------------------------------
|
|
/// Configuring the cell with default setup.
|
|
private func setUp() {
|
|
isAccessibilityElement = false
|
|
|
|
// stackview
|
|
addSubview(stackView)
|
|
stackView
|
|
.pinTop()
|
|
.pinBottom(VDSLayout.space1X)
|
|
.pinLeading()
|
|
.pinTrailing()
|
|
.height(containerSize.height - VDSLayout.space1X)
|
|
.width(containerSize.width)
|
|
stackView.centerXAnchor.constraint(equalTo: centerXAnchor).activate()
|
|
|
|
// top header stack view
|
|
stackView.addArrangedSubview(topHeaderView)
|
|
topHeaderView.heightAnchor.constraint(equalToConstant: viewSize).isActive = true
|
|
topHeaderView.centerXAnchor.constraint(equalTo: centerXAnchor).activate()
|
|
|
|
// previous button
|
|
topHeaderView.addArrangedSubview(previousMonthView)
|
|
previousMonthView.widthAnchor.constraint(equalToConstant: viewSize).activate()
|
|
previousMonthView.addSubview(previousButton)
|
|
previousButton.pinCenterY().pinCenterX()
|
|
previousButton.onClick = { _ in self.previousButtonClick() }
|
|
|
|
// month year label
|
|
topHeaderView.addArrangedSubview(headerTitle)
|
|
|
|
// next button
|
|
topHeaderView.addArrangedSubview(nextMonthView)
|
|
nextMonthView.widthAnchor.constraint(equalToConstant: viewSize).activate()
|
|
nextMonthView.addSubview(nextButton)
|
|
nextButton.pinCenterY().pinCenterX()
|
|
nextButton.onClick = { _ in self.nextButtonClick() }
|
|
|
|
// days Collection View
|
|
stackView.addArrangedSubview(daysCollectionView)
|
|
topHeaderView.heightAnchor.constraint(equalToConstant: viewSize).isActive = true
|
|
daysCollectionView.centerXAnchor.constraint(equalTo: centerXAnchor).activate()
|
|
}
|
|
|
|
/// Updating UI based on next/previous clicks along with surface.
|
|
/// Updating UI to enable/disable the next & previous buttons, updating header title.
|
|
func update(with surface: Surface, date: Date, nextEnabled: Bool, previousEnabled: Bool) {
|
|
self.surface = surface
|
|
headerTitle.surface = surface
|
|
previousButton.surface = surface
|
|
nextButton.surface = surface
|
|
nextButton.isEnabled = nextEnabled
|
|
previousButton.isEnabled = previousEnabled
|
|
daysCollectionView.reloadData()
|
|
let labelText = date.getMonthName() + " \(date.yearInt)"
|
|
headerTitle.text = labelText
|
|
headerTitle.textColor = headerTitleTextColorConfiguration.getColor(surface)
|
|
}
|
|
|
|
func nextButtonClick() {
|
|
nextClicked?()
|
|
}
|
|
|
|
func previousButtonClick() {
|
|
previousClicked?()
|
|
}
|
|
}
|
|
|
|
extension CalendarHeaderReusableView: UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
|
|
|
|
public func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
|
|
return daysOfWeek.count
|
|
}
|
|
|
|
public func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
|
|
guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: collectionViewCell.identifier, for: indexPath) as? collectionViewCell else { return UICollectionViewCell() }
|
|
cell.updateTitle(text: daysOfWeek[indexPath.row], surface: self.surface)
|
|
return cell
|
|
}
|
|
|
|
public func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
|
|
return CGSize(width: viewSize, height: viewSize)
|
|
}
|
|
|
|
public func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
|
|
return VDSLayout.space1X
|
|
}
|
|
|
|
public func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
|
|
return VDSLayout.space1X
|
|
}
|
|
}
|
|
|
|
private class collectionViewCell: UICollectionViewCell {
|
|
|
|
static let identifier: String = String(describing: collectionViewCell.self)
|
|
|
|
private let textColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsSecondaryOnlight, VDSColor.elementsSecondaryOndark)
|
|
|
|
private var title = Label().with {
|
|
$0.translatesAutoresizingMaskIntoConstraints = false
|
|
$0.textAlignment = .center
|
|
$0.numberOfLines = 1
|
|
$0.textStyle = .bodySmall
|
|
$0.backgroundColor = .clear
|
|
$0.isAccessibilityElement = true
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Initializers
|
|
//--------------------------------------------------
|
|
override init(frame: CGRect) {
|
|
super.init(frame: frame)
|
|
setupCell()
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
super.init(coder: coder)
|
|
setupCell()
|
|
}
|
|
|
|
func setupCell() {
|
|
addSubview(title)
|
|
title.pinToSuperView()
|
|
}
|
|
|
|
func updateTitle(text: String, surface: Surface) {
|
|
title.surface = surface
|
|
title.text = text
|
|
title.textColor = textColorConfiguration.getColor(surface)
|
|
}
|
|
}
|