335 lines
12 KiB
Swift
335 lines
12 KiB
Swift
//
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// EntryField.swift
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// VDS
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//
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// Created by Matt Bruce on 10/3/22.
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//
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import Foundation
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import UIKit
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import VDSColorTokens
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import VDSFormControlsTokens
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import Combine
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@objc(VDSEntryField)
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open class EntryField: Control, Changeable {
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//--------------------------------------------------
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// MARK: - Enums
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//--------------------------------------------------
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public enum HelperTextPlacement: String, CaseIterable {
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case bottom, right
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}
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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required public init() {
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super.init(frame: .zero)
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}
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public override init(frame: CGRect) {
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super.init(frame: .zero)
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}
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public required init?(coder: NSCoder) {
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super.init(coder: coder)
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}
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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internal var stackView: UIStackView = {
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return UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.axis = .vertical
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$0.distribution = .fill
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}
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}()
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internal var containerView: UIView = {
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return UIView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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}
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}()
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internal var containerStackView: 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 = .fillProportionally
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$0.alignment = .top
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}
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}()
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internal var controlContainerView: UIView = {
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return UIView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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}
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}()
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//--------------------------------------------------
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// MARK: - Configuration Properties
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//--------------------------------------------------
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// Sizes are from InVision design specs.
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internal var containerSize: CGSize { CGSize(width: 45, height: 44) }
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internal let primaryColorConfig = ViewColorConfiguration().with {
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$0.setSurfaceColors(VDSColor.interactiveDisabledOnlight, VDSColor.interactiveDisabledOndark, forDisabled: true)
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$0.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forDisabled: false)
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}
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internal let secondaryColorConfig = ViewColorConfiguration().with {
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$0.setSurfaceColors(VDSColor.interactiveDisabledOnlight, VDSColor.interactiveDisabledOndark, forDisabled: true)
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$0.setSurfaceColors(VDSColor.elementsSecondaryOnlight, VDSColor.elementsSecondaryOndark, forDisabled: false)
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}
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internal var backgroundColorConfiguration = ControlColorConfiguration().with {
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .normal)
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$0.setSurfaceColors(VDSFormControlsColor.backgroundOnlight, VDSFormControlsColor.backgroundOndark, forState: .disabled)
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$0.setSurfaceColors(VDSColor.feedbackErrorBackgroundOnlight, VDSColor.feedbackErrorBackgroundOndark, forState: .error)
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}
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internal var borderColorConfiguration = ControlColorConfiguration().with {
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$0.setSurfaceColors(VDSFormControlsColor.borderOnlight, VDSFormControlsColor.borderOnlight, forState: .normal)
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$0.setSurfaceColors(VDSColor.interactiveDisabledOnlight, VDSColor.interactiveDisabledOndark, forState: .disabled)
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$0.setSurfaceColors(VDSColor.feedbackErrorOnlight, VDSColor.feedbackErrorOndark, forState: .error)
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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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public var onChangeSubscriber: AnyCancellable? {
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willSet {
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if let onChangeSubscriber {
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onChangeSubscriber.cancel()
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}
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}
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}
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open var titleLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .left
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$0.textStyle = .bodySmall
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}
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open var errorLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .left
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$0.textStyle = .bodySmall
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}
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open var helperLabel = Label().with {
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$0.setContentCompressionResistancePriority(.required, for: .vertical)
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$0.textPosition = .left
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$0.textStyle = .bodySmall
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}
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open var tooltipView: UIView?
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open var icon: Icon = Icon().with {
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$0.size = .small
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}
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open var labelText: String? { didSet { setNeedsUpdate() }}
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open var helperText: String? { didSet { setNeedsUpdate() }}
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open var showError: Bool = false { didSet { setNeedsUpdate() }}
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open override var state: UIControl.State {
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get {
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var state = super.state
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if showError {
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state.insert(.error)
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}
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return state
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}
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}
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open var errorText: String? { didSet { setNeedsUpdate() }}
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open var tooltipTitle: String? { didSet { setNeedsUpdate() }}
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open var tooltipContent: String? { didSet { setNeedsUpdate() }}
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open var transparentBackground: Bool = false { didSet { setNeedsUpdate() }}
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open var width: CGFloat? { didSet { setNeedsUpdate() }}
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open var maxLength: Int? { didSet { setNeedsUpdate() }}
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open var inputId: String? { didSet { setNeedsUpdate() }}
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open var value: AnyHashable? { didSet { setNeedsUpdate() }}
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open var defaultValue: AnyHashable? { didSet { setNeedsUpdate() }}
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open var required: Bool = false { didSet { setNeedsUpdate() }}
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open var readOnly: Bool = false { didSet { setNeedsUpdate() }}
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//--------------------------------------------------
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// MARK: - Constraints
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//--------------------------------------------------
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internal var heightConstraint: NSLayoutConstraint?
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internal var widthConstraint: NSLayoutConstraint?
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//--------------------------------------------------
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// MARK: - Lifecycle
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//--------------------------------------------------
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open override func setup() {
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super.setup()
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isAccessibilityElement = true
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accessibilityTraits = .button
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addSubview(stackView)
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//create the wrapping view
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heightConstraint = containerView.heightAnchor.constraint(greaterThanOrEqualToConstant: containerSize.height)
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heightConstraint?.isActive = true
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widthConstraint = containerView.widthAnchor.constraint(equalToConstant: 0)
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//get the container this is what is color
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//border, internal, etc...
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let container = getContainer()
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//add ContainerStackView
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//this is the horizontal stack that contains
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//the left, InputContainer, Icons, Buttons
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container.addSubview(containerStackView)
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containerStackView.pinToSuperView(.init(top: 12, left: 12, bottom: 12, right: 12))
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//add the view to add input fields
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containerStackView.addArrangedSubview(controlContainerView)
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containerStackView.addArrangedSubview(icon)
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stackView.addArrangedSubview(titleLabel)
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stackView.addArrangedSubview(container)
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stackView.addArrangedSubview(errorLabel)
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stackView.addArrangedSubview(helperLabel)
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stackView.setCustomSpacing(4, after: titleLabel)
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stackView.setCustomSpacing(8, after: container)
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stackView.setCustomSpacing(8, after: errorLabel)
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stackView
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.pinTop()
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.pinBottom()
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.pinLeading()
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.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor).isActive = true
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titleLabel.textColorConfiguration = primaryColorConfig.eraseToAnyColorable()
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errorLabel.textColorConfiguration = primaryColorConfig.eraseToAnyColorable()
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helperLabel.textColorConfiguration = secondaryColorConfig.eraseToAnyColorable()
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}
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open func getContainer() -> UIView {
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return containerView
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}
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open override func reset() {
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super.reset()
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titleLabel.reset()
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errorLabel.reset()
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helperLabel.reset()
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titleLabel.textPosition = .left
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titleLabel.textStyle = .bodySmall
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errorLabel.textPosition = .left
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errorLabel.textStyle = .bodySmall
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helperLabel.textPosition = .left
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helperLabel.textStyle = .bodySmall
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labelText = nil
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helperText = nil
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showError = false
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errorText = nil
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tooltipTitle = nil
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tooltipContent = nil
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transparentBackground = false
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width = nil
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maxLength = nil
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inputId = nil
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value = nil
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defaultValue = nil
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required = false
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readOnly = false
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}
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//--------------------------------------------------
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// MARK: - State
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//--------------------------------------------------
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open override func updateView() {
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containerView.backgroundColor = backgroundColorConfiguration.getColor(self)
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containerView.layer.borderColor = borderColorConfiguration.getColor(self).cgColor
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containerView.layer.borderWidth = VDSFormControls.widthBorder
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containerView.layer.cornerRadius = VDSFormControls.borderradius
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updateTitleLabel()
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updateErrorLabel()
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updateHelperLabel()
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backgroundColor = surface.color
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}
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open func updateTitleLabel() {
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//update the local vars for the label since we no
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//long have a model
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var attributes: [any LabelAttributeModel] = []
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var updatedLabelText = labelText
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//dealing with the "Optional" addition to the text
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if let oldText = updatedLabelText, !required, !oldText.hasSuffix("Optional") {
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if !disabled {
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let optionColorAttr = ColorLabelAttribute(location: oldText.count + 2,
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length: 8,
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color: VDSColor.elementsSecondaryOnlight)
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attributes.append(optionColorAttr)
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}
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updatedLabelText = "\(oldText) Optional"
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}
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if let tooltipTitle, let tooltipContent {
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attributes.append(TooltipLabelAttribute(surface: surface, title: tooltipTitle, content: tooltipContent))
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}
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//set the titleLabel
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titleLabel.text = updatedLabelText
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titleLabel.attributes = attributes
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titleLabel.surface = surface
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titleLabel.disabled = disabled
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}
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open func updateErrorLabel(){
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if showError, let errorText {
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errorLabel.text = errorText
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errorLabel.surface = surface
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errorLabel.disabled = disabled
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errorLabel.isHidden = false
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icon.name = .error
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icon.color = .black
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icon.surface = surface
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icon.isHidden = disabled
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} else {
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icon.isHidden = true
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errorLabel.isHidden = true
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}
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}
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open func updateHelperLabel(){
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//set the helper label position
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if let helperText {
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helperLabel.text = helperText
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helperLabel.surface = surface
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helperLabel.disabled = disabled
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helperLabel.isHidden = false
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} else {
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helperLabel.isHidden = true
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}
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}
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}
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