Added unfinished LabelledUIKitTextFieldWithValidationLabel

ui/BankingiOSApp/BankingiOSApp/ui/UIKit/LabelledUIKitTextFieldWithValidationLabel.swift

@@ -0,0 +1,87 @@
+import SwiftUI
+import BankingUiSwift
+
+
+// TODO: finish and then use it in TransferMoneyDialog
+struct LabelledUIKitTextFieldWithValidationLabel: View {
+    
+    let label: LocalizedStringKey
+    
+    @Binding var text: String
+    
+    var placeholder: String = ""
+    
+    var keyboardType: UIKeyboardType = .default
+    var isPasswordField: Bool = false
+    
+    var focusOnStart = false
+    var focusNextTextFieldOnReturnKeyPress = false
+    
+    @State var focusTextField: Bool = false
+    
+    var actionOnReturnKeyPress: (() -> Bool)? = nil
+    
+    var textChanged: ((String) -> Void)? = nil
+    
+    var validateInput: ((String) -> ValidationResult)? = nil
+    
+    
+//    @State private var validationResult: ValidationResult? = nil
+    @State private var validationResult: ValidationResult? = ValidationResult(inputString: "", validationSuccessful: false, didCorrectString: true, correctedInputString: "Hallo", validationError: "Unzulaessiges Zeichen eingegeben: $", validationHint: nil)
+//    var validationError: Binding<String?> = .constant(nil)
+    
+    @State private var didJustCorrectValue = false
+    
+
+    var body: some View {
+        VStack {
+            Spacer()
+            
+            LabelledUIKitTextField(label: label, text: $text, focusOnStart: focusOnStart, focusNextTextFieldOnReturnKeyPress: focusNextTextFieldOnReturnKeyPress, actionOnReturnKeyPress: actionOnReturnKeyPress) { newValue in
+                        self.enteredValueChanged(newValue)
+            }
+            .padding(.horizontal, 16)
+            
+            Spacer()
+            
+            validationResult.map { validationResult in
+                ValidationLabel(validationResult)
+            }
+        }
+        .listRowInsets(EdgeInsets())
+    }
+    
+    
+    private func enteredValueChanged(_ newValue: String) {
+        if (didJustCorrectValue == false) {
+            if let validationResult = validateInput?(newValue) {
+                self.validationResult = validationResult.didCorrectString || validationResult.validationSuccessful == false ? validationResult :  nil
+                
+                if (validationResult.didCorrectString) {
+                    didJustCorrectValue = true
+                    
+                    self.text = validationResult.correctedInputString
+                }
+            }
+        }
+        else {
+            didJustCorrectValue = false
+        }
+        
+        textChanged?(newValue)
+    }
+
+}
+
+
+struct LabelledUIKitTextFieldWithValidationLabel_Previews: PreviewProvider {
+
+    static var previews: some View {
+        Form {
+            Section {
+                LabelledUIKitTextFieldWithValidationLabel(label: "Label", text: .constant("Text"))
+            }
+        }
+    }
+
+}