Caps-iOS/Caps/Views/CapImagesView.swift

121 lines
3.8 KiB
Swift
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import SwiftUI
struct CapImagesView: View {
private let imageSize: CGFloat = 70
@Binding
var cap: Cap?
@Binding
var isPresented: Bool
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@State
private var selectedCap: CapImage?
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init(cap: Binding<Cap?>, database: Database, isPresented: Binding<Bool>) {
self.database = database
self._cap = cap
self._isPresented = isPresented
}
let database: Database
var images: [CapImage] {
guard let cap else {
return []
}
return (0..<cap.imageCount).map {
cap.image(version: $0)
}
}
var title: String {
guard let cap else {
return "Images"
}
return "Cap \(cap.id)"
}
var body: some View {
GeometryReader { geo in
VStack {
HStack {
Text(title).font(.title2).bold()
Spacer()
Button(action: { isPresented = false }) {
Image(systemSymbol: .xmarkCircleFill)
.foregroundColor(.gray)
.font(.system(size: 26))
}
}
let gridItem = GridItem(.flexible(), spacing: 10, alignment: .leading)
ScrollView(.vertical) {
LazyVGrid(columns: [gridItem, gridItem, gridItem, gridItem]) {
ForEach(images) { item in
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ZStack(alignment: .topLeading) {
CachedCapImage(
item,
check: { database.images.cachedImage(item) },
fetch: { await database.images.image(item) },
content: { $0.resizable() },
placeholder: { ProgressView() })
.frame(width: imageSize,
height: imageSize)
.clipShape(Circle())
.onLongPressGesture { selectedCap = item }
if item.version == cap?.mainImage {
Image(systemSymbol: .checkmarkCircleFill)
.foregroundColor(.green)
.background(Color.white)
.clipShape(Circle())
}
}
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}
}
}
}
.padding(.horizontal)
}
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.actionSheet(item: $selectedCap) { item in
ActionSheet(title: Text("Image \(item.version)"), buttons: [
.default(Text("Set as main image")) { setMainImage(item) },
.destructive(Text("Delete image")) { delete(image: item) },
.cancel()
])
}
}
private func delete(image: CapImage) {
Task {
guard let cap = await database.setMainImage(image.version, for: image.cap) else {
return
}
DispatchQueue.main.async {
self.cap = cap
}
}
selectedCap = nil
}
private func setMainImage(_ image: CapImage) {
Task {
guard let cap = await database.setMainImage(image.version, for: image.cap) else {
return
}
DispatchQueue.main.async {
self.cap = cap
}
}
self.selectedCap = nil
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}
}
struct CapImagesView_Previews: PreviewProvider {
static var previews: some View {
CapImagesView(cap: .constant(.init(id: 123, name: "Some")), database: .mock, isPresented: .constant(true))
}
}