141 lines
5.3 KiB
Swift
141 lines
5.3 KiB
Swift
//
|
|
// Tab.swift
|
|
// VDS
|
|
//
|
|
// Created by Matt Bruce on 5/18/23.
|
|
//
|
|
|
|
import Foundation
|
|
import VDSColorTokens
|
|
import Combine
|
|
|
|
public class TabItem: View {
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Public Properties
|
|
//--------------------------------------------------
|
|
public var label: Label = Label()
|
|
public var orientation: Tabs.Orientation = .horizontal { didSet { setNeedsUpdate() } }
|
|
public var size: Tabs.Size = .medium { didSet { setNeedsUpdate() } }
|
|
public var indicatorPosition: Tabs.IndicatorPosition = .bottom { didSet { setNeedsUpdate() } }
|
|
public var onClick: (() -> Void)? { didSet { setNeedsUpdate() } }
|
|
public var width: CGFloat? { didSet { setNeedsUpdate() } }
|
|
public var selected: Bool = false { didSet { setNeedsUpdate() } }
|
|
public var text: String? { didSet { setNeedsUpdate() } }
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Private Properties
|
|
//--------------------------------------------------
|
|
private var labelWidthConstraint: NSLayoutConstraint?
|
|
private var labelLeadingConstraint: NSLayoutConstraint?
|
|
private var labelTopConstraint: NSLayoutConstraint?
|
|
private var labelBottomConstraint: NSLayoutConstraint?
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Configuration
|
|
//--------------------------------------------------
|
|
private var textColorConfiguration: SurfaceColorConfiguration { selected ? textColorSelectedConfiguration : textColorNonSelectedConfiguration }
|
|
private var textColorNonSelectedConfiguration = SurfaceColorConfiguration(VDSColor.elementsSecondaryOnlight , VDSColor.elementsSecondaryOnlight)
|
|
private var textColorSelectedConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark)
|
|
private var indicatorColorConfiguration = SurfaceColorConfiguration(VDSColor.paletteRed, VDSColor.elementsPrimaryOndark)
|
|
private var indicatorWidth: CGFloat = 4.0
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Initializers
|
|
//--------------------------------------------------
|
|
public override init(frame: CGRect) {
|
|
super.init(frame: frame)
|
|
}
|
|
|
|
public required init?(coder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
required public convenience init() {
|
|
self.init(frame: .zero)
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Overrides
|
|
//--------------------------------------------------
|
|
override public func setup() {
|
|
super.setup()
|
|
addSubview(label)
|
|
backgroundColor = .clear
|
|
label.backgroundColor = .clear
|
|
|
|
label.translatesAutoresizingMaskIntoConstraints = false
|
|
label.pinTrailing()
|
|
|
|
labelTopConstraint = label.topAnchor.constraint(equalTo: topAnchor, constant: 0)
|
|
labelTopConstraint?.isActive = true
|
|
|
|
labelBottomConstraint = label.bottomAnchor.constraint(equalTo: bottomAnchor, constant: 0)
|
|
labelBottomConstraint?.isActive = true
|
|
|
|
labelLeadingConstraint = label.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 0)
|
|
labelLeadingConstraint?.isActive = true
|
|
|
|
labelWidthConstraint = label.widthAnchor.constraint(greaterThanOrEqualToConstant: 44.0)
|
|
labelWidthConstraint?.isActive = true
|
|
|
|
publisher(for: UITapGestureRecognizer())
|
|
.sink { [weak self] _ in
|
|
self?.onClick?()
|
|
}.store(in: &subscribers)
|
|
|
|
}
|
|
|
|
public override func updateView() {
|
|
if orientation == .horizontal {
|
|
label.textPosition = .center
|
|
} else {
|
|
label.textPosition = .left
|
|
}
|
|
label.text = text
|
|
label.textStyle = size.textStyle
|
|
label.textColor = textColorConfiguration.getColor(self)
|
|
|
|
labelWidthConstraint?.isActive = false
|
|
if let width {
|
|
labelWidthConstraint = label.widthAnchor.constraint(equalToConstant: width)
|
|
} else {
|
|
labelWidthConstraint = label.widthAnchor.constraint(greaterThanOrEqualToConstant: 44.0)
|
|
}
|
|
labelWidthConstraint?.isActive = true
|
|
|
|
var leadingSpace: CGFloat
|
|
if orientation == .horizontal {
|
|
leadingSpace = 0
|
|
} else {
|
|
leadingSpace = size == .medium ? VDSLayout.Spacing.space4X.value : VDSLayout.Spacing.space6X.value
|
|
}
|
|
labelLeadingConstraint?.constant = leadingSpace
|
|
|
|
var otherSpace: CGFloat
|
|
if orientation == .horizontal {
|
|
otherSpace = size == .medium ? VDSLayout.Spacing.space3X.value : VDSLayout.Spacing.space4X.value
|
|
} else {
|
|
otherSpace = VDSLayout.Spacing.space2X.value
|
|
}
|
|
labelTopConstraint?.constant = otherSpace
|
|
labelBottomConstraint?.constant = -otherSpace
|
|
|
|
setNeedsLayout()
|
|
}
|
|
|
|
public override func layoutSubviews() {
|
|
super.layoutSubviews()
|
|
|
|
removeBorders()
|
|
|
|
if selected {
|
|
var indicator: UIRectEdge = .left
|
|
if orientation == .horizontal {
|
|
indicator = indicatorPosition.value
|
|
}
|
|
addBorder(side: indicator, width: indicatorWidth, color: indicatorColorConfiguration.getColor(self))
|
|
}
|
|
}
|
|
}
|