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104 changes: 104 additions & 0 deletions
104
CloudMaster/Features/Shared/Components/QuestionImages.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| import SwiftUI | ||
|
|
||
| struct QuestionImages: View { | ||
| let images: [Question.ImageInfo] | ||
| @Binding var currentImageIndex: Int | ||
| @Binding var isFullscreenImageShown: Bool | ||
| @Binding var selectedImageIndex: Int | ||
|
|
||
| var body: some View { | ||
| if !images.isEmpty { | ||
| TabView(selection: $currentImageIndex) { | ||
| ForEach(images.indices, id: \.self) { index in | ||
| let imageInfo = images[index] | ||
| if let image = loadImage(from: imageInfo.path) { | ||
| Image(uiImage: image) | ||
| .resizable() | ||
| .cornerRadius(2) | ||
| .aspectRatio(contentMode: .fit) | ||
| .frame(maxWidth: .infinity) | ||
| .padding(.horizontal) | ||
| .tag(index) | ||
| .onTapGesture { | ||
| selectedImageIndex = index | ||
| isFullscreenImageShown = true | ||
| } | ||
| } else if let url = imageInfo.url, let urlImage = loadImage(from: url) { | ||
| Image(uiImage: urlImage) | ||
| .resizable() | ||
| .cornerRadius(2) | ||
| .aspectRatio(contentMode: .fit) | ||
| .frame(maxWidth: .infinity) | ||
| .padding(.horizontal) | ||
| .tag(index) | ||
| .onTapGesture { | ||
| selectedImageIndex = index | ||
| isFullscreenImageShown = true | ||
| } | ||
| } | ||
| } | ||
| } | ||
| .tabViewStyle(PageTabViewStyle(indexDisplayMode: .always)) | ||
| .frame(height: 300) | ||
| } | ||
| } | ||
|
|
||
| private func loadImage(from imagePath: String) -> UIImage? { | ||
| let fileManager = FileManager.default | ||
| let documentsURL = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first! | ||
| let imageURL = documentsURL.appendingPathComponent(imagePath) | ||
| return UIImage(contentsOfFile: imageURL.path) | ||
| } | ||
| } | ||
|
|
||
|
|
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| struct FullscreenImageView: View { | ||
| let images: [Question.ImageInfo] | ||
| @Binding var selectedImageIndex: Int | ||
| @Binding var isShown: Bool | ||
|
|
||
| @State private var scale: CGFloat = 1.0 | ||
| @State private var lastScale: CGFloat = 1.0 | ||
|
|
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| var body: some View { | ||
| ZStack { | ||
| Color.black.opacity(0.8) | ||
| .edgesIgnoringSafeArea(.all) | ||
|
|
||
| if let imageInfo = images[safe: selectedImageIndex], | ||
| let uiImage = loadImage(from: imageInfo.path) ?? loadImage(from: imageInfo.url) { | ||
| Image(uiImage: uiImage) | ||
| .resizable() | ||
| .aspectRatio(contentMode: .fit) | ||
| .scaleEffect(scale) | ||
| .gesture( | ||
| MagnificationGesture() | ||
| .onChanged { value in | ||
| self.scale = self.lastScale * value | ||
| } | ||
| .onEnded { _ in | ||
| self.lastScale = self.scale | ||
| } | ||
| ) | ||
| .onTapGesture { | ||
| isShown = false | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private func loadImage(from imagePath: String?) -> UIImage? { | ||
| guard let imagePath = imagePath else { return nil } | ||
| let fileManager = FileManager.default | ||
| let documentsURL = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first! | ||
| let imageURL = documentsURL.appendingPathComponent(imagePath) | ||
| return UIImage(contentsOfFile: imageURL.path) | ||
| } | ||
| } | ||
|
|
||
| // extension to safely access array elements to avoid out-of-bounds | ||
| extension Array { | ||
| subscript(safe index: Int) -> Element? { | ||
| return indices.contains(index) ? self[index] : nil | ||
| } | ||
| } |
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