add done button at keyboard at shareVC

@@ -78,6 +78,7 @@ import SwiftEventBus
         numberTextField.textColor = UIColor(red: 0.25, green: 0.33, blue: 0.39, alpha: 1.00)
         numberTextField.attributedPlaceholder = NSAttributedString(string: "Καταχώρηση τηλεφώνου", attributes: [NSAttributedString.Key.foregroundColor: UIColor(red: 0.68, green: 0.68, blue: 0.68, alpha: 1.00)])
         numberTextField.keyboardType = .asciiCapableNumberPad
+        numberTextField.addDoneButtonOnKeyboard()
         
         redeemButton.titleLabel?.font = UIFont(name: "PFSquareSansPro-Medium", size: 16)
         redeemButton.setTitle("Αποστολή με SMS", for: .normal)

@@ -299,3 +299,36 @@ public extension CGPoint {
         }
     }
 }
+
+extension UITextField {
+    @IBInspectable var doneAccessory: Bool{
+        get{
+            return self.doneAccessory
+        }
+        set (hasDone) {
+            if hasDone{
+                addDoneButtonOnKeyboard()
+            }
+        }
+    }
+
+    func addDoneButtonOnKeyboard()
+    {
+        let doneToolbar: UIToolbar = UIToolbar(frame: CGRect.init(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 50))
+        doneToolbar.barStyle = .default
+
+        let flexSpace = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
+        let done: UIBarButtonItem = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(self.doneButtonAction))
+
+        let items = [flexSpace, done]
+        doneToolbar.items = items
+        doneToolbar.sizeToFit()
+
+        self.inputAccessoryView = doneToolbar
+    }
+
+    @objc func doneButtonAction()
+    {
+        self.resignFirstResponder()
+    }
+}