Added RxSwift Support

SwiftyCodeView.podspec

@@ -9,7 +9,7 @@
 Pod::Spec.new do |s|
  s.swift_version     = '4.1'
   s.name             = 'SwiftyCodeView'
-  s.version          = '0.1.0'
+  s.version          = '0.1.1'
   s.summary          = 'An UI Component for verification codes written in swift'
 
   s.description      = <<-DESC
@@ -20,11 +20,19 @@ Pod::Spec.new do |s|
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
   s.author           = { 'arturdev' => '[email protected]' }
   s.source           = { :git => 'https://github.com/arturdev/SwiftyCodeView.git', :tag => s.version.to_s }
-
   s.ios.deployment_target = '9.3'
+  s.default_subspec = "Core"
+
+  s.subspec "Core" do |ss|
+    ss.source_files = 'SwiftyCodeView/Classes/SwiftyCodeView/*'
+    ss.frameworks = 'UIKit'
+  end
+
+  s.subspec "RxSwift" do |ss|
+    ss.source_files = "SwiftyCodeView/Classes/RxSwiftyCodeView/*"
+    ss.dependency "SwiftyCodeView/Core"
+    ss.dependency "RxSwift", "~> 4.1.2"
+    ss.dependency "RxCocoa", "~> 4.1.2"
+  end
 
-  s.source_files = 'SwiftyCodeView/Classes/*'
-
-  # s.public_header_files = 'Pod/Classes/**/*.h'
-  s.frameworks = 'UIKit'
 end

SwiftyCodeView/Classes/RxSwiftyCodeView/SwiftyCodeView.swift

@@ -0,0 +1,24 @@
+//
+//  SwiftyCodeView.swift
+//
+//  Created by arturdev on 6/28/18.
+//
+
+import UIKit
+
+#if canImport(RxCocoa)
+import RxSwift
+import RxCocoa
+extension Reactive where Base: SwiftyCodeView {
+
+    /// Reactive wrapper for `code` property.
+    internal var code: ControlProperty<String> {
+        return controlProperty(editingEvents: [.allEditingEvents, .valueChanged],
+                               getter: { codeView in
+                                codeView.code
+        }, setter: { codeView, value in
+            codeView.code = value
+        })
+    }
+}
+#endif

SwiftyCodeView/Classes/SwiftyCodeView/SwiftyCodeView.swift

@@ -0,0 +1,140 @@
+//
+//  SwiftyCodeView.swift
+//
+//  Created by arturdev on 6/28/18.
+//
+
+import UIKit
+
+@objc
+public protocol SwiftyCodeViewDelegate: class {
+    func codeView(sender: SwiftyCodeView, didFinishInput code: String)
+}
+
+@IBDesignable
+open class SwiftyCodeView: UIControl {
+    @IBInspectable open var length: Int = 4 {
+        didSet {
+            setupUI()
+        }
+    }
+
+    @IBOutlet open weak var delegate: SwiftyCodeViewDelegate?
+
+    var stackView: UIStackView = {
+        let stackView = UIStackView()
+        stackView.axis = .horizontal
+        stackView.distribution = .equalSpacing
+        stackView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        return stackView
+    }()
+
+    fileprivate var items: [SwiftyCodeItemView] = []
+    open var code: String {
+        get {
+            let items = stackView.arrangedSubviews.map({$0 as! SwiftyCodeItemView})
+            let values = items.map({$0.textField.text ?? ""})
+            return values.joined()
+        }
+        set {
+            let array = newValue.map(String.init)
+            for i in 0..<array.count {
+                let item = stackView.arrangedSubviews[i] as! SwiftyCodeItemView
+                item.textField.text = array[i]
+            }
+        }
+    }
+
+    override open func awakeFromNib() {
+        super.awakeFromNib()
+        setupUI()
+
+        let tap = UITapGestureRecognizer(target: self, action: #selector(becomeFirstResponder))
+        addGestureRecognizer(tap)
+    }
+
+    fileprivate func setupUI() {
+        stackView.frame = self.bounds
+        if stackView.superview == nil {
+            addSubview(stackView)
+        }
+        stackView.arrangedSubviews.forEach{($0.removeFromSuperview())}
+
+        for i in 0..<length {
+            let itemView = generateItem()
+            itemView.textField.deleteDelegate = self
+            itemView.textField.delegate = self
+            itemView.tag = i
+            itemView.textField.tag = i
+            stackView.addArrangedSubview(itemView)
+        }
+    }
+
+    open func generateItem() -> SwiftyCodeItemView {
+        let type = SwiftyCodeItemView.self
+        let typeStr = type.description().components(separatedBy: ".").last ?? ""
+        let bundle = Bundle(for: type)
+        return bundle
+            .loadNibNamed(typeStr,
+                          owner: nil,
+                          options: nil)?
+            .last as! SwiftyCodeItemView
+    }
+
+    override open func becomeFirstResponder() -> Bool {
+        let items = stackView.arrangedSubviews
+            .map({$0 as! SwiftyCodeItemView})
+        return (items.filter({($0.textField.text ?? "").isEmpty}).first ?? items.last)!.becomeFirstResponder()
+    }
+
+    override open func resignFirstResponder() -> Bool {
+        stackView.arrangedSubviews.forEach({$0.resignFirstResponder()})
+        return true
+    }
+
+    override open func prepareForInterfaceBuilder() {
+        super.prepareForInterfaceBuilder()
+        setupUI()
+    }
+}
+
+extension SwiftyCodeView: UITextFieldDelegate, SwiftyCodeTextFieldDelegate {
+
+    public func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+
+        if string == "" { //is backspace
+            return true
+        }
+
+        if !textField.hasText {
+            let index = textField.tag
+            let item = stackView.arrangedSubviews[index] as! SwiftyCodeItemView
+            item.textField.text = string
+            sendActions(for: .valueChanged)
+            if index == length - 1 { //is last textfield
+                delegate?.codeView(sender: self, didFinishInput: self.code)
+                textField.resignFirstResponder()
+                return false
+            }
+
+            _ = stackView.arrangedSubviews[index + 1].becomeFirstResponder()
+        }
+
+        return false
+    }
+
+    public func deleteBackward(sender: SwiftyCodeTextField) {
+        for i in 1..<length{
+            let itemView = stackView.arrangedSubviews[i] as! SwiftyCodeItemView
+
+            if !itemView.textField.isFirstResponder {
+                continue
+            }
+
+            let prevItem = stackView.arrangedSubviews[i-1] as! SwiftyCodeItemView
+            _ = prevItem.becomeFirstResponder()
+            prevItem.textField.text = ""
+        }
+        sendActions(for: .valueChanged)
+    }
+}

SwiftyCodeViewDemo/Podfile

@@ -6,6 +6,6 @@ target 'SwiftyCodeViewDemo' do
   use_frameworks!
 
   # Pods for SwiftyCodeViewDemo
-  pod 'SwiftyCodeView', :path => '/Users/artur/Desktop/Pod/SwiftyCodeView'
+  pod 'SwiftyCodeView'
 
 end

SwiftyCodeViewDemo/Podfile.lock

@@ -2,15 +2,15 @@ PODS:
   - SwiftyCodeView (0.1.0)
 
 DEPENDENCIES:
-  - SwiftyCodeView (from `/Users/artur/Desktop/Pod/SwiftyCodeView`)
+  - SwiftyCodeView
 
-EXTERNAL SOURCES:
-  SwiftyCodeView:
-    :path: "/Users/artur/Desktop/Pod/SwiftyCodeView"
+SPEC REPOS:
+  https://github.com/cocoapods/specs.git:
+    - SwiftyCodeView
 
 SPEC CHECKSUMS:
-  SwiftyCodeView: 3e4b6014f9ca3fbbe748defe41c06453186e0a99
+  SwiftyCodeView: 40bff9f5c5bd7b85e32cbc829fe9f42233f5cb73
 
-PODFILE CHECKSUM: 9a36df8c88efaa4eab105b6f0bd689f5d3741cf7
+PODFILE CHECKSUM: 6e513ded0496c9fc38b7677dc33c509fb7de5c02
 
 COCOAPODS: 1.5.3