Menu for ios

ios/Runner/ScannerViewController.swift

@@ -1,5 +1,7 @@
 import UIKit
 import Flutter
+import DropDown
+import ZXingObjC
 
 @objc class ScannerViewController: UIViewController, ZXCaptureDelegate, UITextFieldDelegate {
     
@@ -28,27 +30,17 @@ import Flutter
         }
     }
     
-    //    @IBOutlet weak var decodedLabel: UILabel!
-    
-    private var captureSizeTransform: CGAffineTransform?
-    
+    var captureSizeTransform: CGAffineTransform?
     var buttonState: ButtonState = .card
-    
     var platformChannel: FlutterMethodChannel?
-    
-    // Квадрат для наведения на цель (надеюсь)
-    let scanRectView = UIView()
-    
-    //Вьюшка для верхнего меню
-    let topView = UIView()
-    
-    //Окно ввода кода
-    let textField = UITextField()
-    
-    //Кнопка настроек
-    var settingButton: UIButton!
-    
     var strings = [String:String]()
+
+    let scanRectView = UIView()
+    let header = UIView()
+    let textField = UITextField()
+    let settingsButton = UIButton(type: .system)
+    let searchType = UIButton(type: .system)
+    let dropDown = DropDown()
     
     required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
@@ -84,32 +76,78 @@ import Flutter
     
     override func viewDidLoad() {
         super.viewDidLoad()
-        capture.camera = capture.back()
-        capture.focusMode = .continuousAutoFocus
+
         view.layer.addSublayer((capture.layer)!)
         view.addSubview(scanRectView)
+        view.addSubview(header)
+        view.bringSubview(toFront: header)
+        view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(ScannerViewController.hideKeyboard)))
         
-        settingButton = UIButton(type: .system)
-        settingButton.addTarget(self, action: #selector(ScannerViewController.buttonTouch), for: .touchUpInside)
-        
-        topView.addSubview(textField)
-        topView.addSubview(settingButton)
-        view.addSubview(topView)
-        view.bringSubview(toFront: topView)
-        
+        initCamera()
+        initSearchTypeButton()
+        initTextFIeld()
+        initSettingsButton()
+        initDropDown()
+        initHeader()
+    }
+    
+    private func initCamera() {
+        capture.camera = capture.back()
+        capture.focusMode = .continuousAutoFocus
+    }
+    
+    private func initHeader() {
+        header.addSubview(textField)
+        header.addSubview(searchType)
+        header.addSubview(settingsButton)
+    }
+    
+    private func initTextFIeld() {
         textField.delegate = self
-        
-        let tap = UITapGestureRecognizer(target: self, action: #selector(ScannerViewController.hideKeyboard))
-        view.addGestureRecognizer(tap)
-        
-        settingButton.setImage(self.buttonState.icon, for: .normal)
         textField.placeholder = self.getInputHint()
-        //      textField.text = "79087654321"
+    }
+    
+    private func initSearchTypeButton() {
+        searchType.setImage(self.buttonState.icon, for: .normal)
+        searchType.addTarget(self, action: #selector(ScannerViewController.buttonTouch), for: .touchUpInside)
+    }
+    
+    private func initDropDown() {
+        dropDown.anchorView = settingsButton
+        dropDown.dataSource = [strings["settings"]!, strings["faq"]!]
+        dropDown.selectionAction = { (index: Int, item: String) in
+            if index == 0 {
+                self.platformChannel?.invokeMethod("settings", arguments: nil)
+            } else if index == 1 {
+                self.platformChannel?.invokeMethod("faq", arguments: nil)
+            }
+            
+            self.dismiss(animated: false)
+        }
+    }
+    
+    private func initSettingsButton() {
+        settingsButton.setImage(UIImage(named: "more")!, for: .normal)
+        settingsButton.addTarget(self, action: #selector(ScannerViewController.settingsTouch), for: .touchUpInside)
+    }
+    
+    func hideKeyboard() {
+        view.endEditing(false)
+    }
+    
+    func buttonTouch() {
+        setButtonState()
+        searchType.setImage(self.buttonState.icon, for: .normal)
+        textField.placeholder = self.getInputHint()
+    }
+    
+    func settingsTouch() {
+        dropDown.show()
     }
     
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
-        topView.backgroundColor = UIColor.white
+        header.backgroundColor = UIColor.white
         textField.borderStyle = .roundedRect
         capture.delegate = self
         applyOrientation()
@@ -118,11 +156,12 @@ import Flutter
     // TODO: Вынести эту копипасту в методы, когда будет время
     override func viewWillLayoutSubviews() {
         
+        // TODO: Надо бы уйти от констант, переписать на отступы какие-нибудь
         scanRectView.frame = view.bounds
-        topView.frame = CGRect(x: 0, y: 0, width: view.frame.size.width, height: 56)
-        settingButton.frame = CGRect(x: 8, y: 26, width: 20, height: 20)
-        textField.frame = CGRect(x: settingButton.frame.maxX + 8, y: 21,
-                                 width: view.frame.size.width - settingButton.frame.maxX - 16, height: 30)
+        header.frame = CGRect(x: 0, y: 0, width: view.frame.size.width, height: 56)
+        searchType.frame = CGRect(x: 8, y: 26, width: 20, height: 20)
+        textField.frame = CGRect(x: searchType.frame.maxX + 8, y: 21, width: view.frame.size.width - searchType.frame.maxX - 48, height: 30)
+        settingsButton.frame = CGRect(x: view.frame.size.width - 30, y: 26, width: 20, height: 20)
         
         var path = UIBezierPath()
         path.move(to: CGPoint(x: 32, y: view.frame.size.height / 2))
@@ -219,16 +258,6 @@ import Flutter
         
     }
     
-    func hideKeyboard() {
-        view.endEditing(false)
-    }
-    
-    func buttonTouch(){
-        setButtonState()
-        settingButton.setImage(self.buttonState.icon, for: .normal)
-        textField.placeholder = self.getInputHint()
-    }
-    
     func textFieldShouldReturn(_ textField: UITextField) -> Bool {
         print("User from manual input: \(textField.text!)")
         sendResult(textField.text!)