메시지 - 리스트, 쓰기, 상세 페이지 추가

SodaLive/Sources/Common/TextViewWrapper.swift

@@ -0,0 +1,100 @@
+//
+//  TextViewWrapper.swift
+//  SodaLive
+//
+//  Created by klaus on 2023/08/10.
+//
+
+import SwiftUI
+
+struct TextViewWrapper: UIViewRepresentable {
+    
+    @Binding var text: String
+    
+    var placeholder: String
+    var textColorHex: String
+    var backgroundColorHex: String
+    
+    var notice: String? = nil
+    
+    func makeUIView(context: Context) -> UITextView {
+        let view = UITextView()
+        
+        if let notice = notice {
+            view.text = notice.trimmingCharacters(in: .whitespacesAndNewlines) != "" ? notice : placeholder
+            view.textColor = notice.trimmingCharacters(in: .whitespacesAndNewlines) != "" ? UIColor(hex: textColorHex) : .placeholderText
+        } else {
+            view.text = text.trimmingCharacters(in: .whitespacesAndNewlines) != "" ? text : placeholder
+            view.textColor = text.trimmingCharacters(in: .whitespacesAndNewlines) != "" ? UIColor(hex: textColorHex) : .placeholderText
+        }
+        
+        view.font = UIFont(name: Font.medium.rawValue, size: 13.3)
+        view.backgroundColor = backgroundColorHex.isEmpty ? .clear : UIColor(hex: backgroundColorHex)
+        view.layer.cornerRadius = 6.7
+        view.textContainerInset = UIEdgeInsets(top: 20, left: 13.3, bottom: 20, right: 13.3)
+        
+        view.delegate = context.coordinator
+        
+        return view
+    }
+    
+    func updateUIView(_ uiView: UITextView, context: Context) {
+        if text.trimmingCharacters(in: .whitespacesAndNewlines) != "" {
+            uiView.text = text
+            uiView.textColor = UIColor(hex: textColorHex)
+        }
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        Coordinator($text, placeholder: placeholder, textColorHex: textColorHex)
+    }
+    
+    class Coordinator: NSObject {
+        var text: Binding<String>
+        var placeholder: String
+        var textColorHex: String
+        
+        init(_ text: Binding<String>, placeholder: String, textColorHex: String) {
+            self.text = text
+            self.placeholder = placeholder
+            self.textColorHex = textColorHex
+        }
+    }
+}
+
+extension TextViewWrapper.Coordinator: UITextViewDelegate {
+    func textViewDidBeginEditing(_ textView: UITextView) {
+        if textView.textColor == .placeholderText {
+            DispatchQueue.main.async { [unowned self] in
+                self.text.wrappedValue = ""
+                textView.text = ""
+                textView.textColor = UIColor(hex: textColorHex)
+            }
+        }
+    }
+    
+    func textViewDidEndEditing(_ textView: UITextView) {
+        if textView.text.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+            DispatchQueue.main.async { [unowned self] in
+                self.text.wrappedValue = ""
+                textView.text = self.placeholder
+                textView.textColor = .placeholderText
+            }
+        }
+    }
+    
+    func textViewDidChange(_ textView: UITextView) {
+        self.text.wrappedValue = textView.text
+    }
+}
+
+struct TextViewWrapper_Previews: PreviewProvider {
+    static var previews: some View {
+        TextViewWrapper(
+            text: .constant(""),
+            placeholder: "입력하세요",
+            textColorHex: "777777",
+            backgroundColorHex: "222222"
+        )
+    }
+}