got picker working again

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS.xcodeproj/project.pbxproj

@@ -150,7 +150,7 @@
 		EAC58C142BED0DEC00BA39FA /* Number.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC58C132BED0DEC00BA39FA /* Number.swift */; };
 		EAC58C162BED0E0300BA39FA /* InlineAction.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC58C152BED0E0300BA39FA /* InlineAction.swift */; };
 		EAC58C182BED0E2300BA39FA /* SecurityCode.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC58C172BED0E2300BA39FA /* SecurityCode.swift */; };
-		EAC58C212BF127FE00BA39FA /* DatePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC58C202BF127FE00BA39FA /* DatePicker.swift */; };
+		EAC58C232BF2824200BA39FA /* DatePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC58C222BF2824200BA39FA /* DatePicker.swift */; };
 		EAC71A1D2A2E155A00E47A9F /* Checkbox.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC71A1C2A2E155A00E47A9F /* Checkbox.swift */; };
 		EAC71A1F2A2E173D00E47A9F /* RadioButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC71A1E2A2E173D00E47A9F /* RadioButton.swift */; };
 		EAC846F3294B95CE00F685BA /* ButtonGroupCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAC846F2294B95CE00F685BA /* ButtonGroupCollectionViewCell.swift */; };
@@ -356,7 +356,7 @@
 		EAC58C132BED0DEC00BA39FA /* Number.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Number.swift; sourceTree = "<group>"; };
 		EAC58C152BED0E0300BA39FA /* InlineAction.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InlineAction.swift; sourceTree = "<group>"; };
 		EAC58C172BED0E2300BA39FA /* SecurityCode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecurityCode.swift; sourceTree = "<group>"; };
-		EAC58C202BF127FE00BA39FA /* DatePicker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = DatePicker.swift; path = ../../../../../../../../../Downloads/DatePicker.swift; sourceTree = "<group>"; };
+		EAC58C222BF2824200BA39FA /* DatePicker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DatePicker.swift; sourceTree = "<group>"; };
 		EAC71A1C2A2E155A00E47A9F /* Checkbox.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Checkbox.swift; sourceTree = "<group>"; };
 		EAC71A1E2A2E173D00E47A9F /* RadioButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RadioButton.swift; sourceTree = "<group>"; };
 		EAC846F2294B95CE00F685BA /* ButtonGroupCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ButtonGroupCollectionViewCell.swift; sourceTree = "<group>"; };
@@ -915,7 +915,7 @@
 		EAC58C1F2BF127F000BA39FA /* DatePicker */ = {
 			isa = PBXGroup;
 			children = (
-				EAC58C202BF127FE00BA39FA /* DatePicker.swift */,
+				EAC58C222BF2824200BA39FA /* DatePicker.swift */,
 			);
 			path = DatePicker;
 			sourceTree = "<group>";
@@ -1168,7 +1168,7 @@
 				1832AC572BA0791D008AE476 /* BreadcrumbCellItem.swift in Sources */,
 				EA3361C328902D960071C351 /* Toggle.swift in Sources */,
 				EAF7F0A0289AB7EC00B287F5 /* View.swift in Sources */,
-				EAC58C212BF127FE00BA39FA /* DatePicker.swift in Sources */,
+				EAC58C232BF2824200BA39FA /* DatePicker.swift in Sources */,
 				EA89201328B568D8006B9984 /* RadioBoxItem.swift in Sources */,
 				71FC86E42B9841AC00700965 /* PaginationFlowLayout.swift in Sources */,
 				EAC9258C2911C9DE00091998 /* InputField.swift in Sources */,

VDS/Components/DatePicker/DatePicker.swift

@@ -0,0 +1,183 @@
+import Foundation
+import UIKit
+import VDSTokens
+import Combine
+
+/// A dropdown select is an expandable menu of predefined options that allows a customer to make a single selection.
+@objc(VDSDatePicker)
+open class DatePicker: EntryFieldBase {
+    //--------------------------------------------------
+    // 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: - Public Properties
+    //--------------------------------------------------
+    /// A callback when the selected option changes. Passes parameters (option).
+    open var onDateSelected: ((Date, DatePicker) -> Void)?
+        
+    //--------------------------------------------------
+    // MARK: - Private Properties
+    //--------------------------------------------------
+    internal var minWidthDefault = 186.0
+    
+    internal let picker = UIDatePicker()
+    
+    internal var bottomStackView: UIStackView = {
+        return UIStackView().with {
+            $0.translatesAutoresizingMaskIntoConstraints = false
+            $0.axis = .vertical
+            $0.distribution = .fill
+            $0.alignment = .top
+            $0.spacing = VDSLayout.space2X
+        }
+    }()
+
+    //--------------------------------------------------
+    // MARK: - Public Properties
+    //--------------------------------------------------
+    open var calendarIcon = Icon().with {
+        $0.name = .calendar
+        $0.size = .medium
+    }
+    
+    open var selectedDate: Date? { didSet { setNeedsUpdate() } }
+    
+    open override var value: String? {
+        get { selectedDateLabel.text }
+        set { }
+    }
+    
+    open var selectedDateLabel = Label().with {
+        $0.setContentCompressionResistancePriority(.required, for: .vertical)
+        $0.textAlignment = .left
+        $0.textStyle = .bodyLarge
+        $0.lineBreakMode = .byCharWrapping
+    }
+    
+    public enum DateFormat: String, CaseIterable {
+        case shortNumeric
+        case longAlphabetic
+        case mediumNumeric
+        case consiseNumeric
+        
+        public var format: String {
+            switch self {
+            case .shortNumeric: "MM/dd/yy"
+            case .longAlphabetic: "MMMM d, yyyy"
+            case .mediumNumeric: "MM/dd/yyyy"
+            case .consiseNumeric: "M/d/yyyy"
+            }
+        }
+    }
+    
+    open var dateFormat: DateFormat = .shortNumeric { didSet{ setNeedsUpdate() } }
+
+    //--------------------------------------------------
+    // MARK: - Configuration Properties
+    //--------------------------------------------------
+    internal override var containerSize: CGSize { CGSize(width: minWidthDefault, height: 44) }
+
+    //--------------------------------------------------
+    // MARK: - Overrides
+    //--------------------------------------------------
+    
+    /// Called once when a view is initialized and is used to Setup additional UI or other constants and configurations.
+    open override func setup() {
+        super.setup()
+
+        accessibilityLabel = "Dropdown Select"
+                
+        // setting color config
+        selectedDateLabel.textColorConfiguration = primaryColorConfiguration.eraseToAnyColorable()
+              
+        // setup the calendar
+        picker.datePickerMode = .date
+        picker.preferredDatePickerStyle = .inline
+        picker.addTarget(self, action: #selector(dateChanged(_:)), for: .valueChanged)
+        picker.isHidden = true
+        
+        // tap gesture
+        fieldStackView
+            .publisher(for: UITapGestureRecognizer())
+            .sink { [weak self] _ in
+                self?.togglePicker()
+            }
+            .store(in: &subscribers)
+    }
+    
+    open override func getFieldContainer() -> UIView {
+        // stackview for controls in EntryFieldBase.controlContainerView
+        let controlStackView = UIStackView().with {
+            $0.translatesAutoresizingMaskIntoConstraints = false
+            $0.axis = .horizontal
+            $0.spacing = VDSLayout.space3X
+        }
+        controlStackView.addArrangedSubview(calendarIcon)
+        controlStackView.addArrangedSubview(selectedDateLabel)
+        return controlStackView
+    }
+    
+    open override func getBottomContainer() -> UIView {
+        bottomStackView.addArrangedSubview(bottomContainerStackView)
+        bottomStackView.addArrangedSubview(picker)
+        return bottomStackView
+    }
+    
+    /// Used to make changes to the View based off a change events or from local properties.
+    open override func updateView() {
+        super.updateView()
+        
+        if let selectedDate {
+            picker.date = selectedDate
+            formatDate(selectedDate)
+        }
+        
+        selectedDateLabel.surface = surface
+        selectedDateLabel.isEnabled = isEnabled
+        calendarIcon.color = iconColorConfiguration.getColor(self)
+        
+        //set the width constraints
+        let minWidth = containerSize.width
+        let maxwidth = frame.size.width
+        if let width, width > minWidth && width < maxwidth {
+            widthConstraint?.constant = width
+        } else {
+            widthConstraint?.constant = maxwidth >= minWidth ? maxwidth : minWidth
+        }
+    }
+        
+    /// Resets to default settings.
+    open override func reset() {
+        super.reset()
+        selectedDateLabel.textStyle = .bodyLarge
+    }
+    
+    internal func formatDate(_ date: Date) {
+        let formatter = DateFormatter()
+        formatter.dateFormat = dateFormat.format
+        selectedDateLabel.text = formatter.string(from: date)
+    }
+    
+    internal func togglePicker() {
+        picker.isHidden = !picker.isHidden
+        bottomContainerStackView.isHidden = !bottomContainerStackView.isHidden
+    }
+    
+    @objc private func dateChanged(_ sender: UIDatePicker) {
+        selectedDate = sender.date
+        sendActions(for: .valueChanged)
+        togglePicker()
+    }
+}