Digital ACT-191 ONEAPP-10928 story: added new file for Modal

VDS/Components/Modal/Modal.swift

@@ -0,0 +1,120 @@
+//
+//  Modal.swift
+//  VDS
+//
+//  Created by Kanamarlapudi, Vasavi on 5/09/24.
+//
+
+import Foundation
+import UIKit
+import VDSCoreTokens
+import Combine
+
+/// A Modal is an overlay that interrupts the user flow 
+/// to force the customer to provide information or a response.
+/// After the customer interacts with the modal, they can return to the parent content.
+@objcMembers
+@objc(VDSModal)
+open class Modal: Control, ModalLaunchable {
+    
+    //--------------------------------------------------
+    // 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
+    //--------------------------------------------------
+    internal var showModalButton = Button().with {
+        $0.use = .primary
+        $0.text = "Show Modal"
+    }
+    
+    //--------------------------------------------------
+    // MARK: - Public Properties
+    //--------------------------------------------------
+    /// Text rendered for the title of the modal
+    open var title: String? { didSet { setNeedsUpdate() } }
+    
+    /// Text rendered for the content of the modal
+    open var content: String? { didSet { setNeedsUpdate() } }
+    
+    /// UIView rendered for the content area of the modal
+    open var contentView: UIView? { didSet { setNeedsUpdate() } }
+      
+    //--------------------------------------------------
+    // 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()
+        
+        addSubview(showModalButton)
+        showModalButton.pinToSuperView()
+        backgroundColor = .clear
+        
+        isAccessibilityElement = true
+        accessibilityTraits = .button
+    }
+    
+    open override func setDefaults() {
+        super.setDefaults()
+        title = nil
+        content = nil
+        contentView = nil
+        
+        showModalButton.onClick = { _ in  self.showModalButtonClick() }
+    }
+    
+    internal func showModalButtonClick() {
+       print("Clicked showModalButton")
+        self.presentModal(surface: self.surface,
+                          modalModel: .init(closeButtonText: showModalButton.text ?? "",
+                                            title: title,
+                                            content: content,
+                                            contentView: contentView),
+                          presenter: self)
+    }
+
+    
+    /// Used to make changes to the View based off a change events or from local properties.
+    open override func updateView() {
+        super.updateView()
+        showModalButton.surface = surface
+    }
+        
+    public static func accessibleText(for title: String?, content: String?, closeButtonText: String) -> String {
+        var label = ""
+        if let title {
+            label = title
+        }
+        if let content {
+            if !label.isEmpty {
+                label += ","
+            }
+            label += content
+        }
+        return label
+    }
+}
+
+
+// MARK: AppleGuidelinesTouchable
+extension Modal: AppleGuidelinesTouchable {
+    /// Overrides to ensure that the touch point meets a minimum of the minimumTappableArea.
+    override open func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
+        Self.acceptablyOutsideBounds(point: point, bounds: bounds)
+    }
+
+}