vds_ios/VDS/Components/TitleLockup/TitleLockup.swift
Matt Bruce 3db7cf0a42 udpated to fix bug in resetting
Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
2023-01-06 15:14:08 -06:00

314 lines
14 KiB
Swift

//
// TitleLockup.swift
// VDS
//
// Created by Matt Bruce on 12/19/22.
//
import Foundation
import UIKit
import VDSColorTokens
import Combine
public enum TitleLockupTextPosition: String, Codable, CaseIterable {
case left, center
var labelTextPosition: TextPosition {
switch self {
case .left:
return .left
case .center:
return .center
}
}
}
@objc(VDSTitleLockup)
open class TitleLockup: View {
//--------------------------------------------------
// MARK: - Initializers
//--------------------------------------------------
required public init() {
super.init(frame: .zero)
}
public override init(frame: CGRect) {
super.init(frame: .zero)
}
public required init?(coder: NSCoder) {
super.init(coder: coder)
}
//--------------------------------------------------
// MARK: - Private Properties
//--------------------------------------------------
private var stackView = UIStackView().with {
$0.translatesAutoresizingMaskIntoConstraints = false
$0.axis = .vertical
$0.distribution = .fill
}
//--------------------------------------------------
// MARK: - Configuration Properties
//--------------------------------------------------
// Sizes are from InVision design specs.
open var topTypographicalStyleSpacingConfig: TypographicalStyleSpacingConfig = {
let configs = [
TypographicalStyleDeviceSpacingConfig([.BoldTitleLarge, .TitleLarge],
neighboring: [.BodySmall, .BodyMedium, .BodyLarge],
spacing: 12.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitleXLarge, .TitleXLarge],
neighboring: [.TitleMedium, .BodyLarge],
spacing: 12.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.TitleMedium, .TitleLarge],
spacing: 16.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.BodyLarge],
spacing: 12.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall, .BoldFeatureMedium, .FeatureMedium],
neighboring: [.TitleMedium, .TitleLarge],
spacing: 16.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall, .BoldFeatureMedium, .FeatureMedium],
neighboring: [.BodyLarge],
spacing: 12.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitleXLarge, .TitleXLarge],
neighboring: [.BodyLarge, .BodyMedium, .BodySmall, .TitleMedium],
spacing: 12.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.BodyLarge, .BodyMedium, .TitleMedium],
spacing: 12.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall],
neighboring: [.TitleLarge, .BodyLarge],
spacing: 12.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureMedium, .FeatureMedium],
neighboring: [.TitleLarge, .TitleXLarge],
spacing: 16.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureMedium, .FeatureMedium],
neighboring: [.BodyLarge],
spacing: 12.0,
deviceType: .iPhone)
]
return TypographicalStyleSpacingConfig(configs: configs)
}()
open var bottomTypographicalStyleSpacingConfig: TypographicalStyleSpacingConfig = {
let configs = [
TypographicalStyleDeviceSpacingConfig([.BoldTitleLarge, .TitleLarge],
neighboring: [.BodySmall, .BodyMedium, .BodyLarge],
spacing: 12.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitleXLarge, .TitleXLarge],
neighboring: [.TitleMedium, .BodyLarge],
spacing: 16.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.TitleMedium, .TitleLarge],
spacing: 24.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.BodyLarge],
spacing: 24.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall, .BoldFeatureMedium, .FeatureMedium],
neighboring: [.TitleMedium, .TitleLarge],
spacing: 24.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall, .BoldFeatureMedium, .FeatureMedium],
neighboring: [.BodyLarge],
spacing: 24.0,
deviceType: .iPad),
TypographicalStyleDeviceSpacingConfig([.BoldTitleXLarge, .TitleXLarge],
neighboring: [.BodyLarge, .BodyMedium, .BodySmall, .TitleMedium],
spacing: 12.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldTitle2XLarge, .Title2XLarge, .BoldFeatureXSmall, .FeatureXSmall],
neighboring: [.BodyLarge, .BodyMedium, .TitleMedium],
spacing: 16,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureSmall, .FeatureSmall],
neighboring: [.TitleLarge, .BodyLarge],
spacing: 16.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureMedium, .FeatureMedium],
neighboring: [.TitleLarge, .TitleXLarge],
spacing: 24.0,
deviceType: .iPhone),
TypographicalStyleDeviceSpacingConfig([.BoldFeatureMedium, .FeatureMedium],
neighboring: [.BodyLarge],
spacing: 24.0,
deviceType: .iPhone)
]
return TypographicalStyleSpacingConfig(configs: configs)
}()
//--------------------------------------------------
// MARK: - Public Properties
//--------------------------------------------------
open var textPosition: TitleLockupTextPosition = .left { didSet { didChange() }}
//style
open var otherTypograpicalStyle: TitleLockupOtherTypographicalStyle = UIDevice.isIPad ? .BodyLarge : .BodyMedium { didSet { didChange() }}
//first row
open var eyebrowLabel = Label().with {
$0.setContentCompressionResistancePriority(.required, for: .vertical)
}
open var eyebrowModel: TitleLockupEyebrowModel? { didSet { didChange() }}
//second row
open var titleLabel = Label().with {
$0.setContentCompressionResistancePriority(.required, for: .vertical)
}
open var titleModel: TitleLockupTitleModel? { didSet { didChange() }}
//third row
open var subTitleLabel = Label().with {
$0.setContentCompressionResistancePriority(.required, for: .vertical)
}
open var subTitleModel: TitleLockupSubTitleModel? { didSet { didChange() }}
//--------------------------------------------------
// MARK: - Lifecycle
//--------------------------------------------------
open override func setup() {
super.setup()
isAccessibilityElement = true
accessibilityTraits = .button
addSubview(stackView)
stackView.spacing = 0.0
stackView.addArrangedSubview(eyebrowLabel)
stackView.addArrangedSubview(titleLabel)
stackView.addArrangedSubview(subTitleLabel)
//pin stackview to edges
stackView.pinToSuperView()
}
public override func reset() {
super.reset()
titleLabel.reset()
eyebrowLabel.reset()
subTitleLabel.reset()
textPosition = .left
eyebrowModel = nil
titleModel = nil
subTitleModel = nil
otherTypograpicalStyle = .BodyLarge
}
//--------------------------------------------------
// MARK: - State
//--------------------------------------------------
open override func updateView() {
super.updateView()
let allLabelsTextPosition = textPosition.labelTextPosition
var eyebrowTextIsEmpty = true
var titleTextIsEmpty = true
var subTitleTextIsEmpty = true
if let eyebrowModel, !eyebrowModel.text.isEmpty {
eyebrowTextIsEmpty = false
eyebrowLabel.textPosition = allLabelsTextPosition
eyebrowLabel.typograpicalStyle = otherTypograpicalStyle.value
eyebrowLabel.text = eyebrowModel.text
eyebrowLabel.attributes = eyebrowModel.textAttributes
eyebrowLabel.numberOfLines = eyebrowModel.numberOfLines
eyebrowLabel.surface = surface
} else {
eyebrowLabel.reset()
}
if let titleModel, !titleModel.text.isEmpty {
titleTextIsEmpty = false
titleLabel.textPosition = allLabelsTextPosition
titleLabel.typograpicalStyle = titleModel.typographicalStyle.value
titleLabel.text = titleModel.text
titleLabel.attributes = titleModel.textAttributes
titleLabel.numberOfLines = titleModel.numberOfLines
titleLabel.surface = surface
} else {
titleLabel.reset()
}
if let subTitleModel, !subTitleModel.text.isEmpty {
subTitleTextIsEmpty = false
subTitleLabel.textPosition = allLabelsTextPosition
subTitleLabel.typograpicalStyle = otherTypograpicalStyle.value
subTitleLabel.text = subTitleModel.text
subTitleLabel.attributes = subTitleModel.textAttributes
subTitleLabel.numberOfLines = subTitleModel.numberOfLines
subTitleLabel.surface = surface
subTitleLabel.disabled = subTitleModel.textColor == .secondary
} else {
subTitleLabel.reset()
}
//if both first 2 rows not empty set spacing
if let eyebrowModel, let titleModel, !eyebrowModel.text.isEmpty, !titleModel.text.isEmpty {
stackView.spacing = topTypographicalStyleSpacingConfig.spacing(for: titleModel.typographicalStyle.value, neighboring: otherTypograpicalStyle.value)
} else {
stackView.spacing = 0.0
}
//if either first 2 rows not empty and subtile not empty, create space else collapse
if let titleModel, (!eyebrowTextIsEmpty || !titleTextIsEmpty) && !subTitleTextIsEmpty {
let bottomSpace = bottomTypographicalStyleSpacingConfig.spacing(for: titleModel.typographicalStyle.value, neighboring: otherTypograpicalStyle.value)
stackView.setCustomSpacing(bottomSpace, after: titleLabel)
} else if (!eyebrowTextIsEmpty || !titleTextIsEmpty) && subTitleTextIsEmpty {
stackView.setCustomSpacing(0.0, after: titleLabel)
}
//hide/show
eyebrowLabel.isHidden = eyebrowTextIsEmpty
titleLabel.isHidden = titleTextIsEmpty
subTitleLabel.isHidden = subTitleTextIsEmpty
}
}
extension TypographicalStyle {
func isWithin(_ collection: [TypographicalStyle]) -> Bool {
(collection.first(where: {$0 == self}) != nil)
}
}