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import Combine
import CoreData
import SwiftUI
struct MapDetailScreen: View {
@Environment(\.managedObjectContext) private var viewContext
@EnvironmentObject var store: AppStore
@ObservedObject var map: Map
@State var title: String
@State var content: String
var body: some View {
if map.uuid != nil {
VSplitView {
VStack {
HStack {
TextField(
"Title", text: $title, onCommit: saveModel
).font(.title2).textFieldStyle(PlainTextFieldStyle()).padding(.vertical, 4.0).padding(
.leading, 4.0)
Button(action: saveText) {
Image(systemName: "doc.text")
}.padding(.vertical, 4.0).padding(.leading, 4.0)
Button(action: saveImage) {
Image(systemName: "photo")
}.padding(.vertical, 4.0).padding(.leading, 4.0).padding(.trailing, 8.0)
}
EvolutionPicker()
ZStack(alignment: .topLeading) {
MapTextEditor(text: $content, onChange: saveModel)
.background(Color.ui.background)
.foregroundColor(Color.ui.foreground)
.frame(minHeight: 96.0)
}.padding(.top, 8.0).padding(.leading, 8.0).background(Color.ui.background).cornerRadius(
5.0)
}.padding(.horizontal, 8.0)
ScrollView([.horizontal, .vertical]) {
MapRenderView(content: $content, evolution: .constant(store.state.selectedEvolution))
}
}.onDisappear {
saveModel()
}
} else {
EmptyMapDetailScreen()
}
}
private func saveModel() {
map.content = content
map.title = title
try? viewContext.save()
}
private func saveText() {
store.send(.exportMapAsText(map: map))
}
private func saveImage() {
store.send(.exportMapAsImage(map: map))
}
}
struct MapDetailView_Previews: PreviewProvider {
static var previews: some View {
MapDetailScreen(map: Map(), title: "", content: "").environment(
\.managedObjectContext, PersistenceController.preview.container.viewContext)
}
}
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