[feat] 삭제버튼 text와 Image간 변환 기능 추가, Preview extension 생성

[1]Calculator.xcodeproj/xcuserdata/dj.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Bucket
+   uuid = "BBBF4054-CF00-4C35-8797-88172D131DB6"
+   type = "1"
+   version = "2.0">
+</Bucket>

[1]Calculator/Assets.xcassets/deleteButton.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "free-icon-delete-2087825.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

[1]Calculator/Controller/ViewController.swift

@@ -10,32 +10,53 @@ import UIKit
 class ViewController: UIViewController {
 
     @IBOutlet var numberLabel: UILabel!
-
+    @IBOutlet var deleteButton: UIButton!
+
     var textManager = TextChangeManager()
+    var imageChangeManager = ImageChangeManager()
 
     override func viewDidLoad() {
         super.viewDidLoad()
         // Do any additional setup after loading the view.
 
         setup()
-
-        numberLabel.text = "0"
     }
 
     func setup() {
         numberLabel.lineBreakMode = .byTruncatingHead
+        numberLabel.text = "0"
+
     }
 
     @IBAction func numberBtnPressed(_ sender: UIButton) {
         let number = sender.tag - 10
         guard let label = numberLabel.text else { return }
 
         numberLabel.text = textManager.addText(label, number)
+        imageChangeManager.changeImage(deleteButton, numberLabel)
     }
 
     @IBAction func deleteBtnPressed(_ sender: UIButton) {
         guard let label = numberLabel.text else { return }
 
         numberLabel.text = textManager.removeText(label)
+        imageChangeManager.changeImage(deleteButton, numberLabel)
     }
 }
+
+// MARK: - Preview
+
+#if DEBUG
+import SwiftUI
+
+#Preview("Sample") {
+    let storyboard = UIStoryboard(name: "Main", bundle: nil)
+
+    let vc = storyboard.instantiateViewController(withIdentifier: "ViewController") as! ViewController
+
+    vc.toPreview()
+}
+#endif
+
+
+

[1]Calculator/Model/Extensions.swift

@@ -0,0 +1,49 @@
+//
+//  Extensions.swift
+//  [1]Calculator
+//
+//  Created by 김동준 on 12/5/24.
+//
+
+import UIKit
+import SwiftUI
+
+extension UIImage {
+    func resize(size: CGSize) -> UIImage? {
+        // 비트맵 생성
+        UIGraphicsBeginImageContextWithOptions(size, false, 0.0)
+        // 비트맵 그래픽 배경에 이미지 다시 그리기
+        self.draw(in: CGRect(origin: CGPoint.zero, size: size))
+        // 현재 비트맵 그래픽 배경에서 이미지 가져오기
+        guard let resizedImage = UIGraphicsGetImageFromCurrentImageContext() else {
+            return nil
+        }
+        // 비트맵 환경 제거
+        UIGraphicsEndImageContext()
+        // 크기가 조정된 이미지 반환
+        return resizedImage
+    }
+}
+
+// MARK: - SwiftUI Preview
+
+#if DEBUG
+import SwiftUI
+
+extension UIViewController {
+    private struct Preview: UIViewControllerRepresentable {
+            let viewController: UIViewController
+
+            func makeUIViewController(context: Context) -> UIViewController {
+                return viewController
+            }
+
+            func updateUIViewController(_ uiViewController: UIViewController, context: Context) {
+            }
+        }
+
+        func toPreview() -> some View {
+            Preview(viewController: self)
+        }
+}
+#endif

[1]Calculator/Model/ImageChangeManager.swift

@@ -0,0 +1,24 @@
+//
+//  ImageChangeManager.swift
+//  [1]Calculator
+//
+//  Created by 김동준 on 12/5/24.
+//
+
+import UIKit
+
+struct ImageChangeManager {
+    func changeImage(_ button: UIButton, _ label: UILabel) {
+        let originalImage = UIImage(named: "deleteButton")
+        let changedImage = originalImage?.resize(size: CGSize(width: 50, height: 50))?.withTintColor(.white)
+
+        if label.text != "0" {
+            button.setTitle("", for: .normal)
+            button.setImage(changedImage, for: .normal)
+        } else {
+            button.setTitle("AC", for: .normal)
+            button.setImage(nil, for: .normal)
+        }
+    }
+}
+

[1]Calculator/View/Base.lproj/Main.storyboard

@@ -12,7 +12,7 @@
         <!--View Controller-->
         <scene sceneID="tne-QT-ifu">
             <objects>
-                <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="_1_Calculator" customModuleProvider="target" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="ViewController" useStoryboardIdentifierAsRestorationIdentifier="YES" id="BYZ-38-t0r" customClass="ViewController" customModule="_1_Calculator" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="NLf-O5-JjO">
                         <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
@@ -311,6 +311,7 @@
                         </constraints>
                     </view>
                     <connections>
+                        <outlet property="deleteButton" destination="2yh-I3-bc3" id="Ljl-dP-eYk"/>
                         <outlet property="numberLabel" destination="n9E-XH-EOd" id="Z55-Bq-mx8"/>
                     </connections>
                 </viewController>